Azure IoT / iothub_mqtt_transport

Microsoft Azure IoTHub client MQTT transport

Dependents:   STM32F746_iothub_client_sample_mqtt FXOS8700CQ_To_Azure_IoT f767zi_mqtt FXOS8700CQ_To_Azure_IoT ... more

iothubtransport_mqtt_common.c@35:c56b7cfcb90b, 2018-02-15 (annotated)

Committer:
AzureIoTClient
Date:
Thu Feb 15 11:34:49 2018 -0800
Revision:
35:c56b7cfcb90b
Parent:
34:9363cf585ef3
Child:
36:3b9944257dd5
1.1.32

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 11:31ebaeb51e1e 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 11:31ebaeb51e1e 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 11:31ebaeb51e1e 3
AzureIoTClient 11:31ebaeb51e1e 4 #include <stdlib.h>
AzureIoTClient 12:658ca6865de2 5 #include <ctype.h>
AzureIoTClient 18:ec8e5e97c6a4 6 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 11:31ebaeb51e1e 7 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 11:31ebaeb51e1e 8
AzureIoTClient 11:31ebaeb51e1e 9 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 11:31ebaeb51e1e 10 #include "azure_c_shared_utility/strings.h"
AzureIoTClient 11:31ebaeb51e1e 11 #include "azure_c_shared_utility/doublylinkedlist.h"
AzureIoTClient 11:31ebaeb51e1e 12 #include "azure_c_shared_utility/crt_abstractions.h"
AzureIoTClient 11:31ebaeb51e1e 13
AzureIoTClient 11:31ebaeb51e1e 14 #include "iothub_client_ll.h"
AzureIoTClient 11:31ebaeb51e1e 15 #include "iothub_client_options.h"
AzureIoTClient 11:31ebaeb51e1e 16 #include "iothub_client_private.h"
AzureIoTClient 11:31ebaeb51e1e 17 #include "azure_umqtt_c/mqtt_client.h"
AzureIoTClient 11:31ebaeb51e1e 18 #include "azure_c_shared_utility/sastoken.h"
AzureIoTClient 11:31ebaeb51e1e 19 #include "azure_c_shared_utility/tickcounter.h"
AzureIoTClient 11:31ebaeb51e1e 20
AzureIoTClient 11:31ebaeb51e1e 21 #include "azure_c_shared_utility/tlsio.h"
AzureIoTClient 11:31ebaeb51e1e 22 #include "azure_c_shared_utility/platform.h"
AzureIoTClient 11:31ebaeb51e1e 23
AzureIoTClient 11:31ebaeb51e1e 24 #include "azure_c_shared_utility/string_tokenizer.h"
AzureIoTClient 20:594780be216d 25 #include "azure_c_shared_utility/shared_util_options.h"
AzureIoTClient 22:07fec4d325b6 26 #include "azure_c_shared_utility/urlencode.h"
AzureIoTClient 11:31ebaeb51e1e 27 #include "iothub_client_version.h"
AzureIoTClient 25:a35763780a87 28 #include "iothub_client_retry_control.h"
AzureIoTClient 11:31ebaeb51e1e 29
AzureIoTClient 11:31ebaeb51e1e 30 #include "iothubtransport_mqtt_common.h"
AzureIoTClient 11:31ebaeb51e1e 31
AzureIoTClient 11:31ebaeb51e1e 32 #include <stdarg.h>
AzureIoTClient 11:31ebaeb51e1e 33 #include <stdio.h>
AzureIoTClient 11:31ebaeb51e1e 34
AzureIoTClient 11:31ebaeb51e1e 35 #include <limits.h>
AzureIoTClient 12:658ca6865de2 36 #include <inttypes.h>
AzureIoTClient 11:31ebaeb51e1e 37
AzureIoTClient 25:a35763780a87 38 #define SAS_TOKEN_DEFAULT_LIFETIME 3600
AzureIoTClient 25:a35763780a87 39 #define SAS_REFRESH_MULTIPLIER .8
AzureIoTClient 25:a35763780a87 40 #define EPOCH_TIME_T_VALUE 0
AzureIoTClient 25:a35763780a87 41 #define DEFAULT_MQTT_KEEPALIVE 4*60 // 4 min
AzureIoTClient 32:103a46ed8822 42 #define DEFAULT_CONNACK_TIMEOUT 30 // 30 seconds
AzureIoTClient 25:a35763780a87 43 #define BUILD_CONFIG_USERNAME 24
AzureIoTClient 25:a35763780a87 44 #define SAS_TOKEN_DEFAULT_LEN 10
AzureIoTClient 25:a35763780a87 45 #define RESEND_TIMEOUT_VALUE_MIN 1*60
AzureIoTClient 25:a35763780a87 46 #define MAX_SEND_RECOUNT_LIMIT 2
AzureIoTClient 25:a35763780a87 47 #define DEFAULT_CONNECTION_INTERVAL 30
AzureIoTClient 25:a35763780a87 48 #define FAILED_CONN_BACKOFF_VALUE 5
AzureIoTClient 25:a35763780a87 49 #define STATUS_CODE_FAILURE_VALUE 500
AzureIoTClient 25:a35763780a87 50 #define STATUS_CODE_TIMEOUT_VALUE 408
AzureIoTClient 25:a35763780a87 51
AzureIoTClient 25:a35763780a87 52 #define DEFAULT_RETRY_POLICY IOTHUB_CLIENT_RETRY_EXPONENTIAL_BACKOFF_WITH_JITTER
AzureIoTClient 25:a35763780a87 53 #define DEFAULT_RETRY_TIMEOUT_IN_SECONDS 0
AzureIoTClient 12:658ca6865de2 54
AzureIoTClient 12:658ca6865de2 55 static const char TOPIC_DEVICE_TWIN_PREFIX[] = "$iothub/twin";
AzureIoTClient 12:658ca6865de2 56 static const char TOPIC_DEVICE_METHOD_PREFIX[] = "$iothub/methods";
AzureIoTClient 12:658ca6865de2 57
AzureIoTClient 12:658ca6865de2 58 static const char* TOPIC_GET_DESIRED_STATE = "$iothub/twin/res/#";
AzureIoTClient 12:658ca6865de2 59 static const char* TOPIC_NOTIFICATION_STATE = "$iothub/twin/PATCH/properties/desired/#";
AzureIoTClient 11:31ebaeb51e1e 60
AzureIoTClient 11:31ebaeb51e1e 61 static const char* TOPIC_DEVICE_MSG = "devices/%s/messages/devicebound/#";
AzureIoTClient 11:31ebaeb51e1e 62 static const char* TOPIC_DEVICE_DEVICE = "devices/%s/messages/events/";
AzureIoTClient 12:658ca6865de2 63
AzureIoTClient 12:658ca6865de2 64 static const char* TOPIC_DEVICE_METHOD_SUBSCRIBE = "$iothub/methods/POST/#";
AzureIoTClient 12:658ca6865de2 65 static const char* TOPIC_DEVICE_METHOD_RESPONSE = "$iothub/methods/res";
AzureIoTClient 12:658ca6865de2 66
AzureIoTClient 12:658ca6865de2 67 static const char* IOTHUB_API_VERSION = "2016-11-14";
AzureIoTClient 12:658ca6865de2 68
AzureIoTClient 11:31ebaeb51e1e 69 static const char* PROPERTY_SEPARATOR = "&";
AzureIoTClient 12:658ca6865de2 70 static const char* REPORTED_PROPERTIES_TOPIC = "$iothub/twin/PATCH/properties/reported/?$rid=%"PRIu16;
AzureIoTClient 12:658ca6865de2 71 static const char* GET_PROPERTIES_TOPIC = "$iothub/twin/GET/?$rid=%"PRIu16;
AzureIoTClient 14:4dc2b011be33 72 static const char* DEVICE_METHOD_RESPONSE_TOPIC = "$iothub/methods/res/%d/?$rid=%s";
AzureIoTClient 12:658ca6865de2 73
AzureIoTClient 12:658ca6865de2 74 static const char* REQUEST_ID_PROPERTY = "?$rid=";
AzureIoTClient 11:31ebaeb51e1e 75
AzureIoTClient 18:ec8e5e97c6a4 76 static const char* MESSAGE_ID_PROPERTY = "mid";
AzureIoTClient 18:ec8e5e97c6a4 77 static const char* CORRELATION_ID_PROPERTY = "cid";
AzureIoTClient 27:04de3c0bf1db 78 static const char* CONTENT_TYPE_PROPERTY = "ct";
AzureIoTClient 27:04de3c0bf1db 79 static const char* CONTENT_ENCODING_PROPERTY = "ce";
AzureIoTClient 30:52ff609606c8 80 static const char* DIAGNOSTIC_ID_PROPERTY = "diagid";
AzureIoTClient 30:52ff609606c8 81 static const char* DIAGNOSTIC_CONTEXT_PROPERTY = "diagctx";
AzureIoTClient 30:52ff609606c8 82
AzureIoTClient 30:52ff609606c8 83 static const char* DIAGNOSTIC_CONTEXT_CREATION_TIME_UTC_PROPERTY = "creationtimeutc";
AzureIoTClient 18:ec8e5e97c6a4 84
AzureIoTClient 11:31ebaeb51e1e 85 #define UNSUBSCRIBE_FROM_TOPIC 0x0000
AzureIoTClient 12:658ca6865de2 86 #define SUBSCRIBE_GET_REPORTED_STATE_TOPIC 0x0001
AzureIoTClient 12:658ca6865de2 87 #define SUBSCRIBE_NOTIFICATION_STATE_TOPIC 0x0002
AzureIoTClient 11:31ebaeb51e1e 88 #define SUBSCRIBE_TELEMETRY_TOPIC 0x0004
AzureIoTClient 12:658ca6865de2 89 #define SUBSCRIBE_METHODS_TOPIC 0x0008
AzureIoTClient 12:658ca6865de2 90 #define SUBSCRIBE_DEVICE_METHOD_TOPIC 0x0010
AzureIoTClient 12:658ca6865de2 91 #define SUBSCRIBE_TOPIC_COUNT 4
AzureIoTClient 11:31ebaeb51e1e 92
AzureIoTClient 17:774695cb8554 93 DEFINE_ENUM_STRINGS(MQTT_CLIENT_EVENT_ERROR, MQTT_CLIENT_EVENT_ERROR_VALUES)
AzureIoTClient 17:774695cb8554 94
AzureIoTClient 11:31ebaeb51e1e 95 typedef struct SYSTEM_PROPERTY_INFO_TAG
AzureIoTClient 11:31ebaeb51e1e 96 {
AzureIoTClient 11:31ebaeb51e1e 97 const char* propName;
AzureIoTClient 11:31ebaeb51e1e 98 size_t propLength;
AzureIoTClient 11:31ebaeb51e1e 99 } SYSTEM_PROPERTY_INFO;
AzureIoTClient 11:31ebaeb51e1e 100
AzureIoTClient 11:31ebaeb51e1e 101 static SYSTEM_PROPERTY_INFO sysPropList[] = {
AzureIoTClient 11:31ebaeb51e1e 102 { "%24.exp", 7 },
AzureIoTClient 11:31ebaeb51e1e 103 { "%24.mid", 7 },
AzureIoTClient 11:31ebaeb51e1e 104 { "%24.uid", 7 },
AzureIoTClient 11:31ebaeb51e1e 105 { "%24.to", 6 },
AzureIoTClient 11:31ebaeb51e1e 106 { "%24.cid", 7 },
AzureIoTClient 27:04de3c0bf1db 107 { "%24.ct", 6 },
AzureIoTClient 27:04de3c0bf1db 108 { "%24.ce", 6 },
AzureIoTClient 11:31ebaeb51e1e 109 { "devices/", 8 },
AzureIoTClient 11:31ebaeb51e1e 110 { "iothub-operation", 16 },
AzureIoTClient 11:31ebaeb51e1e 111 { "iothub-ack", 10 }
AzureIoTClient 11:31ebaeb51e1e 112 };
AzureIoTClient 11:31ebaeb51e1e 113
AzureIoTClient 12:658ca6865de2 114 typedef enum DEVICE_TWIN_MSG_TYPE_TAG
AzureIoTClient 12:658ca6865de2 115 {
AzureIoTClient 12:658ca6865de2 116 REPORTED_STATE,
AzureIoTClient 12:658ca6865de2 117 RETRIEVE_PROPERTIES
AzureIoTClient 12:658ca6865de2 118 } DEVICE_TWIN_MSG_TYPE;
AzureIoTClient 12:658ca6865de2 119
AzureIoTClient 11:31ebaeb51e1e 120 typedef enum MQTT_TRANSPORT_CREDENTIAL_TYPE_TAG
AzureIoTClient 11:31ebaeb51e1e 121 {
AzureIoTClient 11:31ebaeb51e1e 122 CREDENTIAL_NOT_BUILD,
AzureIoTClient 11:31ebaeb51e1e 123 X509,
AzureIoTClient 11:31ebaeb51e1e 124 SAS_TOKEN_FROM_USER,
AzureIoTClient 11:31ebaeb51e1e 125 DEVICE_KEY,
AzureIoTClient 11:31ebaeb51e1e 126 } MQTT_TRANSPORT_CREDENTIAL_TYPE;
AzureIoTClient 11:31ebaeb51e1e 127
AzureIoTClient 20:594780be216d 128 typedef enum MQTT_CLIENT_STATUS_TAG
AzureIoTClient 20:594780be216d 129 {
AzureIoTClient 21:167f8fcf6fb1 130 MQTT_CLIENT_STATUS_NOT_CONNECTED,
AzureIoTClient 21:167f8fcf6fb1 131 MQTT_CLIENT_STATUS_CONNECTING,
AzureIoTClient 33:b7dfb208ef0a 132 MQTT_CLIENT_STATUS_CONNECTED,
AzureIoTClient 33:b7dfb208ef0a 133 MQTT_CLIENT_STATUS_PENDING_CLOSE
AzureIoTClient 20:594780be216d 134 } MQTT_CLIENT_STATUS;
AzureIoTClient 20:594780be216d 135
AzureIoTClient 11:31ebaeb51e1e 136 typedef struct MQTTTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient 11:31ebaeb51e1e 137 {
AzureIoTClient 11:31ebaeb51e1e 138 // Topic control
AzureIoTClient 11:31ebaeb51e1e 139 STRING_HANDLE topic_MqttEvent;
AzureIoTClient 11:31ebaeb51e1e 140 STRING_HANDLE topic_MqttMessage;
AzureIoTClient 12:658ca6865de2 141 STRING_HANDLE topic_GetState;
AzureIoTClient 12:658ca6865de2 142 STRING_HANDLE topic_NotifyState;
AzureIoTClient 12:658ca6865de2 143
AzureIoTClient 12:658ca6865de2 144 STRING_HANDLE topic_DeviceMethods;
AzureIoTClient 11:31ebaeb51e1e 145
AzureIoTClient 11:31ebaeb51e1e 146 uint32_t topics_ToSubscribe;
AzureIoTClient 12:658ca6865de2 147
AzureIoTClient 11:31ebaeb51e1e 148 // Connection related constants
AzureIoTClient 11:31ebaeb51e1e 149 STRING_HANDLE hostAddress;
AzureIoTClient 11:31ebaeb51e1e 150 STRING_HANDLE device_id;
AzureIoTClient 11:31ebaeb51e1e 151 STRING_HANDLE devicesPath;
AzureIoTClient 11:31ebaeb51e1e 152 int portNum;
AzureIoTClient 11:31ebaeb51e1e 153
AzureIoTClient 11:31ebaeb51e1e 154 MQTT_GET_IO_TRANSPORT get_io_transport;
AzureIoTClient 11:31ebaeb51e1e 155
AzureIoTClient 11:31ebaeb51e1e 156 // The current mqtt iothub implementation requires that the hub name and the domain suffix be passed as the first of a series of segments
AzureIoTClient 11:31ebaeb51e1e 157 // passed through the username portion of the connection frame.
AzureIoTClient 11:31ebaeb51e1e 158 // The second segment will contain the device id. The two segments are delemited by a "/".
AzureIoTClient 11:31ebaeb51e1e 159 // The first segment can be a maximum 256 characters.
AzureIoTClient 11:31ebaeb51e1e 160 // The second segment can be a maximum 128 characters.
AzureIoTClient 11:31ebaeb51e1e 161 // With the / delimeter you have 384 chars (Plus a terminator of 0).
AzureIoTClient 11:31ebaeb51e1e 162 STRING_HANDLE configPassedThroughUsername;
AzureIoTClient 11:31ebaeb51e1e 163
AzureIoTClient 11:31ebaeb51e1e 164 // Upper layer
AzureIoTClient 11:31ebaeb51e1e 165 IOTHUB_CLIENT_LL_HANDLE llClientHandle;
AzureIoTClient 11:31ebaeb51e1e 166
AzureIoTClient 11:31ebaeb51e1e 167 // Protocol
AzureIoTClient 11:31ebaeb51e1e 168 MQTT_CLIENT_HANDLE mqttClient;
AzureIoTClient 11:31ebaeb51e1e 169 XIO_HANDLE xioTransport;
AzureIoTClient 11:31ebaeb51e1e 170
AzureIoTClient 11:31ebaeb51e1e 171 // Session - connection
AzureIoTClient 11:31ebaeb51e1e 172 uint16_t packetId;
AzureIoTClient 11:31ebaeb51e1e 173
AzureIoTClient 11:31ebaeb51e1e 174 // Connection state control
AzureIoTClient 11:31ebaeb51e1e 175 bool isRegistered;
AzureIoTClient 20:594780be216d 176 MQTT_CLIENT_STATUS mqttClientStatus;
AzureIoTClient 11:31ebaeb51e1e 177 bool isDestroyCalled;
AzureIoTClient 12:658ca6865de2 178 bool device_twin_get_sent;
AzureIoTClient 12:658ca6865de2 179 bool isRecoverableError;
AzureIoTClient 11:31ebaeb51e1e 180 uint16_t keepAliveValue;
AzureIoTClient 32:103a46ed8822 181 uint16_t connect_timeout_in_sec;
Azure.IoT.Build 13:606465879c57 182 tickcounter_ms_t mqtt_connect_time;
AzureIoTClient 11:31ebaeb51e1e 183 size_t connectFailCount;
Azure.IoT.Build 13:606465879c57 184 tickcounter_ms_t connectTick;
AzureIoTClient 11:31ebaeb51e1e 185 bool log_trace;
AzureIoTClient 11:31ebaeb51e1e 186 bool raw_trace;
Azure.IoT.Build 13:606465879c57 187 TICK_COUNTER_HANDLE msgTickCounter;
AzureIoTClient 29:923be0c3998a 188 OPTIONHANDLER_HANDLE saved_tls_options; // Here are the options from the xio layer if any is saved.
AzureIoTClient 29:923be0c3998a 189 size_t option_sas_token_lifetime_secs;
AzureIoTClient 11:31ebaeb51e1e 190
AzureIoTClient 11:31ebaeb51e1e 191 // Internal lists for message tracking
AzureIoTClient 11:31ebaeb51e1e 192 PDLIST_ENTRY waitingToSend;
AzureIoTClient 12:658ca6865de2 193 DLIST_ENTRY ack_waiting_queue;
AzureIoTClient 12:658ca6865de2 194
AzureIoTClient 11:31ebaeb51e1e 195 // Message tracking
AzureIoTClient 11:31ebaeb51e1e 196 CONTROL_PACKET_TYPE currPacketState;
AzureIoTClient 11:31ebaeb51e1e 197
AzureIoTClient 11:31ebaeb51e1e 198 // Telemetry specific
AzureIoTClient 11:31ebaeb51e1e 199 DLIST_ENTRY telemetry_waitingForAck;
AzureIoTClient 12:658ca6865de2 200
AzureIoTClient 25:a35763780a87 201 // Controls frequency of reconnection logic.
AzureIoTClient 25:a35763780a87 202 RETRY_CONTROL_HANDLE retry_control_handle;
AzureIoTClient 20:594780be216d 203
AzureIoTClient 21:167f8fcf6fb1 204 // Auth module used to generating handle authorization
AzureIoTClient 21:167f8fcf6fb1 205 // with either SAS Token, x509 Certs, and Device SAS Token
AzureIoTClient 21:167f8fcf6fb1 206 IOTHUB_AUTHORIZATION_HANDLE authorization_module;
AzureIoTClient 21:167f8fcf6fb1 207
AzureIoTClient 20:594780be216d 208 char* http_proxy_hostname;
AzureIoTClient 20:594780be216d 209 int http_proxy_port;
AzureIoTClient 20:594780be216d 210 char* http_proxy_username;
AzureIoTClient 20:594780be216d 211 char* http_proxy_password;
AzureIoTClient 24:4096249decf1 212 bool isProductInfoSet;
AzureIoTClient 11:31ebaeb51e1e 213 } MQTTTRANSPORT_HANDLE_DATA, *PMQTTTRANSPORT_HANDLE_DATA;
AzureIoTClient 11:31ebaeb51e1e 214
AzureIoTClient 12:658ca6865de2 215 typedef struct MQTT_DEVICE_TWIN_ITEM_TAG
AzureIoTClient 12:658ca6865de2 216 {
Azure.IoT.Build 13:606465879c57 217 tickcounter_ms_t msgPublishTime;
AzureIoTClient 12:658ca6865de2 218 size_t retryCount;
AzureIoTClient 12:658ca6865de2 219 IOTHUB_IDENTITY_TYPE iothub_type;
AzureIoTClient 12:658ca6865de2 220 uint16_t packet_id;
AzureIoTClient 12:658ca6865de2 221 uint32_t iothub_msg_id;
AzureIoTClient 12:658ca6865de2 222 IOTHUB_DEVICE_TWIN* device_twin_data;
AzureIoTClient 12:658ca6865de2 223 DEVICE_TWIN_MSG_TYPE device_twin_msg_type;
AzureIoTClient 12:658ca6865de2 224 DLIST_ENTRY entry;
AzureIoTClient 12:658ca6865de2 225 } MQTT_DEVICE_TWIN_ITEM;
AzureIoTClient 12:658ca6865de2 226
AzureIoTClient 11:31ebaeb51e1e 227 typedef struct MQTT_MESSAGE_DETAILS_LIST_TAG
AzureIoTClient 11:31ebaeb51e1e 228 {
Azure.IoT.Build 13:606465879c57 229 tickcounter_ms_t msgPublishTime;
AzureIoTClient 11:31ebaeb51e1e 230 size_t retryCount;
AzureIoTClient 11:31ebaeb51e1e 231 IOTHUB_MESSAGE_LIST* iotHubMessageEntry;
AzureIoTClient 11:31ebaeb51e1e 232 void* context;
AzureIoTClient 11:31ebaeb51e1e 233 uint16_t packet_id;
AzureIoTClient 11:31ebaeb51e1e 234 DLIST_ENTRY entry;
AzureIoTClient 11:31ebaeb51e1e 235 } MQTT_MESSAGE_DETAILS_LIST, *PMQTT_MESSAGE_DETAILS_LIST;
AzureIoTClient 11:31ebaeb51e1e 236
AzureIoTClient 14:4dc2b011be33 237 typedef struct DEVICE_METHOD_INFO_TAG
AzureIoTClient 14:4dc2b011be33 238 {
AzureIoTClient 14:4dc2b011be33 239 STRING_HANDLE request_id;
AzureIoTClient 14:4dc2b011be33 240 } DEVICE_METHOD_INFO;
AzureIoTClient 14:4dc2b011be33 241
AzureIoTClient 20:594780be216d 242 static void free_proxy_data(MQTTTRANSPORT_HANDLE_DATA* mqtt_transport_instance)
AzureIoTClient 20:594780be216d 243 {
AzureIoTClient 20:594780be216d 244 if (mqtt_transport_instance->http_proxy_hostname != NULL)
AzureIoTClient 20:594780be216d 245 {
AzureIoTClient 20:594780be216d 246 free(mqtt_transport_instance->http_proxy_hostname);
AzureIoTClient 20:594780be216d 247 mqtt_transport_instance->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 248 }
AzureIoTClient 20:594780be216d 249
AzureIoTClient 20:594780be216d 250 if (mqtt_transport_instance->http_proxy_username != NULL)
AzureIoTClient 20:594780be216d 251 {
AzureIoTClient 20:594780be216d 252 free(mqtt_transport_instance->http_proxy_username);
AzureIoTClient 20:594780be216d 253 mqtt_transport_instance->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 254 }
AzureIoTClient 20:594780be216d 255
AzureIoTClient 20:594780be216d 256 if (mqtt_transport_instance->http_proxy_password != NULL)
AzureIoTClient 20:594780be216d 257 {
AzureIoTClient 20:594780be216d 258 free(mqtt_transport_instance->http_proxy_password);
AzureIoTClient 20:594780be216d 259 mqtt_transport_instance->http_proxy_password = NULL;
AzureIoTClient 20:594780be216d 260 }
AzureIoTClient 20:594780be216d 261 }
AzureIoTClient 20:594780be216d 262
AzureIoTClient 28:0cd355c3294e 263 static void set_saved_tls_options(PMQTTTRANSPORT_HANDLE_DATA transport, OPTIONHANDLER_HANDLE new_options)
AzureIoTClient 28:0cd355c3294e 264 {
AzureIoTClient 28:0cd355c3294e 265 if (transport->saved_tls_options != NULL)
AzureIoTClient 28:0cd355c3294e 266 {
AzureIoTClient 28:0cd355c3294e 267 OptionHandler_Destroy(transport->saved_tls_options);
AzureIoTClient 28:0cd355c3294e 268 }
AzureIoTClient 28:0cd355c3294e 269 transport->saved_tls_options = new_options;
AzureIoTClient 28:0cd355c3294e 270 }
AzureIoTClient 28:0cd355c3294e 271
AzureIoTClient 31:d6198e67d1eb 272 static void free_transport_handle_data(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 31:d6198e67d1eb 273 {
AzureIoTClient 31:d6198e67d1eb 274 if (transport_data->mqttClient != NULL)
AzureIoTClient 31:d6198e67d1eb 275 {
AzureIoTClient 31:d6198e67d1eb 276 mqtt_client_deinit(transport_data->mqttClient);
AzureIoTClient 31:d6198e67d1eb 277 }
AzureIoTClient 31:d6198e67d1eb 278
AzureIoTClient 31:d6198e67d1eb 279 if (transport_data->retry_control_handle != NULL)
AzureIoTClient 31:d6198e67d1eb 280 {
AzureIoTClient 31:d6198e67d1eb 281 retry_control_destroy(transport_data->retry_control_handle);
AzureIoTClient 31:d6198e67d1eb 282 }
AzureIoTClient 31:d6198e67d1eb 283
AzureIoTClient 31:d6198e67d1eb 284 set_saved_tls_options(transport_data, NULL);
AzureIoTClient 31:d6198e67d1eb 285
AzureIoTClient 31:d6198e67d1eb 286 tickcounter_destroy(transport_data->msgTickCounter);
AzureIoTClient 31:d6198e67d1eb 287
AzureIoTClient 31:d6198e67d1eb 288 free_proxy_data(transport_data);
AzureIoTClient 31:d6198e67d1eb 289
AzureIoTClient 31:d6198e67d1eb 290 STRING_delete(transport_data->devicesPath);
AzureIoTClient 31:d6198e67d1eb 291 STRING_delete(transport_data->topic_MqttEvent);
AzureIoTClient 31:d6198e67d1eb 292 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 31:d6198e67d1eb 293 STRING_delete(transport_data->device_id);
AzureIoTClient 31:d6198e67d1eb 294 STRING_delete(transport_data->hostAddress);
AzureIoTClient 31:d6198e67d1eb 295 STRING_delete(transport_data->configPassedThroughUsername);
AzureIoTClient 31:d6198e67d1eb 296 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 31:d6198e67d1eb 297 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 31:d6198e67d1eb 298 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 31:d6198e67d1eb 299
AzureIoTClient 31:d6198e67d1eb 300 free(transport_data);
AzureIoTClient 31:d6198e67d1eb 301 }
AzureIoTClient 31:d6198e67d1eb 302
AzureIoTClient 25:a35763780a87 303 int IoTHubTransport_MQTT_Common_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient 12:658ca6865de2 304 {
AzureIoTClient 12:658ca6865de2 305 int result;
AzureIoTClient 12:658ca6865de2 306
AzureIoTClient 25:a35763780a87 307 if (handle == NULL)
AzureIoTClient 12:658ca6865de2 308 {
AzureIoTClient 12:658ca6865de2 309 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_041: [**If any handle is NULL then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return resultant line.] */
AzureIoTClient 12:658ca6865de2 310 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 311 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 312 }
AzureIoTClient 12:658ca6865de2 313 else
AzureIoTClient 12:658ca6865de2 314 {
AzureIoTClient 25:a35763780a87 315 RETRY_CONTROL_HANDLE new_retry_control_handle;
AzureIoTClient 25:a35763780a87 316
AzureIoTClient 25:a35763780a87 317 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_006: [ IoTHubTransport_MQTT_Common_SetRetryPolicy shall set the retry logic by calling retry_control_create() with retry policy and retryTimeout as parameters]
AzureIoTClient 25:a35763780a87 318 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_009: [ If retry_control_create() fails then IoTHubTransport_MQTT_Common_SetRetryPolicy shall revert to previous retry policy and return non-zero value ]
AzureIoTClient 25:a35763780a87 319 if ((new_retry_control_handle = retry_control_create(retryPolicy, (unsigned int)retryTimeoutLimitInSeconds)) == NULL)
AzureIoTClient 12:658ca6865de2 320 {
AzureIoTClient 25:a35763780a87 321 LogError("Failed creating new retry control handle");
AzureIoTClient 25:a35763780a87 322 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 323 }
AzureIoTClient 12:658ca6865de2 324 else
AzureIoTClient 12:658ca6865de2 325 {
AzureIoTClient 25:a35763780a87 326 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 25:a35763780a87 327 RETRY_CONTROL_HANDLE previous_retry_control_handle = transport_data->retry_control_handle;
AzureIoTClient 25:a35763780a87 328
AzureIoTClient 25:a35763780a87 329 transport_data->retry_control_handle = new_retry_control_handle;
AzureIoTClient 25:a35763780a87 330 retry_control_destroy(previous_retry_control_handle);
AzureIoTClient 25:a35763780a87 331
AzureIoTClient 25:a35763780a87 332 /*Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_045: [**If retry logic for specified parameters of retry policy and retryTimeoutLimitInSeconds is created successfully then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return 0]*/
AzureIoTClient 25:a35763780a87 333 result = 0;
AzureIoTClient 12:658ca6865de2 334 }
AzureIoTClient 12:658ca6865de2 335 }
AzureIoTClient 25:a35763780a87 336
AzureIoTClient 12:658ca6865de2 337 return result;
AzureIoTClient 12:658ca6865de2 338 }
AzureIoTClient 12:658ca6865de2 339
AzureIoTClient 11:31ebaeb51e1e 340 static uint16_t get_next_packet_id(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 341 {
AzureIoTClient 11:31ebaeb51e1e 342 if (transport_data->packetId+1 >= USHRT_MAX)
AzureIoTClient 11:31ebaeb51e1e 343 {
AzureIoTClient 11:31ebaeb51e1e 344 transport_data->packetId = 1;
AzureIoTClient 11:31ebaeb51e1e 345 }
AzureIoTClient 11:31ebaeb51e1e 346 else
AzureIoTClient 11:31ebaeb51e1e 347 {
AzureIoTClient 11:31ebaeb51e1e 348 transport_data->packetId++;
AzureIoTClient 11:31ebaeb51e1e 349 }
AzureIoTClient 11:31ebaeb51e1e 350 return transport_data->packetId;
AzureIoTClient 11:31ebaeb51e1e 351 }
AzureIoTClient 11:31ebaeb51e1e 352
AzureIoTClient 11:31ebaeb51e1e 353 static const char* retrieve_mqtt_return_codes(CONNECT_RETURN_CODE rtn_code)
AzureIoTClient 11:31ebaeb51e1e 354 {
AzureIoTClient 11:31ebaeb51e1e 355 switch (rtn_code)
AzureIoTClient 11:31ebaeb51e1e 356 {
AzureIoTClient 11:31ebaeb51e1e 357 case CONNECTION_ACCEPTED:
AzureIoTClient 11:31ebaeb51e1e 358 return "Accepted";
AzureIoTClient 11:31ebaeb51e1e 359 case CONN_REFUSED_UNACCEPTABLE_VERSION:
AzureIoTClient 11:31ebaeb51e1e 360 return "Unacceptable Version";
AzureIoTClient 11:31ebaeb51e1e 361 case CONN_REFUSED_ID_REJECTED:
AzureIoTClient 11:31ebaeb51e1e 362 return "Id Rejected";
AzureIoTClient 11:31ebaeb51e1e 363 case CONN_REFUSED_SERVER_UNAVAIL:
AzureIoTClient 11:31ebaeb51e1e 364 return "Server Unavailable";
AzureIoTClient 11:31ebaeb51e1e 365 case CONN_REFUSED_BAD_USERNAME_PASSWORD:
AzureIoTClient 11:31ebaeb51e1e 366 return "Bad Username/Password";
AzureIoTClient 11:31ebaeb51e1e 367 case CONN_REFUSED_NOT_AUTHORIZED:
AzureIoTClient 11:31ebaeb51e1e 368 return "Not Authorized";
AzureIoTClient 11:31ebaeb51e1e 369 case CONN_REFUSED_UNKNOWN:
AzureIoTClient 11:31ebaeb51e1e 370 default:
AzureIoTClient 11:31ebaeb51e1e 371 return "Unknown";
AzureIoTClient 11:31ebaeb51e1e 372 }
AzureIoTClient 11:31ebaeb51e1e 373 }
AzureIoTClient 11:31ebaeb51e1e 374
AzureIoTClient 14:4dc2b011be33 375 static int retrieve_device_method_rid_info(const char* resp_topic, STRING_HANDLE method_name, STRING_HANDLE request_id)
AzureIoTClient 12:658ca6865de2 376 {
AzureIoTClient 12:658ca6865de2 377 int result;
AzureIoTClient 12:658ca6865de2 378 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 379 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 380 {
AzureIoTClient 12:658ca6865de2 381 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 382 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 383 }
AzureIoTClient 12:658ca6865de2 384 else
AzureIoTClient 12:658ca6865de2 385 {
AzureIoTClient 12:658ca6865de2 386 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 387 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 388 {
AzureIoTClient 12:658ca6865de2 389 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 390 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 391 }
AzureIoTClient 12:658ca6865de2 392 else
AzureIoTClient 12:658ca6865de2 393 {
AzureIoTClient 12:658ca6865de2 394 size_t token_index = 0;
AzureIoTClient 12:658ca6865de2 395 size_t request_id_length = strlen(REQUEST_ID_PROPERTY);
AzureIoTClient 18:ec8e5e97c6a4 396 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 397 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 398 {
AzureIoTClient 12:658ca6865de2 399 if (token_index == 3)
AzureIoTClient 12:658ca6865de2 400 {
AzureIoTClient 12:658ca6865de2 401 if (STRING_concat_with_STRING(method_name, token_value) != 0)
AzureIoTClient 12:658ca6865de2 402 {
AzureIoTClient 14:4dc2b011be33 403 LogError("Failed STRING_concat_with_STRING.");
AzureIoTClient 18:ec8e5e97c6a4 404 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 405 break;
AzureIoTClient 12:658ca6865de2 406 }
AzureIoTClient 12:658ca6865de2 407 }
AzureIoTClient 12:658ca6865de2 408 else if (token_index == 4)
AzureIoTClient 12:658ca6865de2 409 {
AzureIoTClient 12:658ca6865de2 410 if (STRING_length(token_value) >= request_id_length)
AzureIoTClient 12:658ca6865de2 411 {
AzureIoTClient 12:658ca6865de2 412 const char* request_id_value = STRING_c_str(token_value);
AzureIoTClient 12:658ca6865de2 413 if (memcmp(request_id_value, REQUEST_ID_PROPERTY, request_id_length) == 0)
AzureIoTClient 12:658ca6865de2 414 {
AzureIoTClient 14:4dc2b011be33 415 if (STRING_concat(request_id, request_id_value+request_id_length) != 0)
AzureIoTClient 14:4dc2b011be33 416 {
AzureIoTClient 14:4dc2b011be33 417 LogError("Failed STRING_concat failed.");
AzureIoTClient 18:ec8e5e97c6a4 418 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 419 }
AzureIoTClient 14:4dc2b011be33 420 else
AzureIoTClient 14:4dc2b011be33 421 {
AzureIoTClient 14:4dc2b011be33 422 result = 0;
AzureIoTClient 14:4dc2b011be33 423 }
AzureIoTClient 12:658ca6865de2 424 break;
AzureIoTClient 12:658ca6865de2 425 }
AzureIoTClient 12:658ca6865de2 426 }
AzureIoTClient 12:658ca6865de2 427 }
AzureIoTClient 12:658ca6865de2 428 token_index++;
AzureIoTClient 12:658ca6865de2 429 }
AzureIoTClient 12:658ca6865de2 430 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 431 }
AzureIoTClient 12:658ca6865de2 432 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 433 }
AzureIoTClient 12:658ca6865de2 434 return result;
AzureIoTClient 12:658ca6865de2 435 }
AzureIoTClient 12:658ca6865de2 436
AzureIoTClient 12:658ca6865de2 437 static int parse_device_twin_topic_info(const char* resp_topic, bool* patch_msg, size_t* request_id, int* status_code)
AzureIoTClient 12:658ca6865de2 438 {
AzureIoTClient 12:658ca6865de2 439 int result;
AzureIoTClient 12:658ca6865de2 440 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 441 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 442 {
AzureIoTClient 12:658ca6865de2 443 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 444 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 445 *status_code = 0;
AzureIoTClient 12:658ca6865de2 446 *request_id = 0;
AzureIoTClient 12:658ca6865de2 447 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 448 }
AzureIoTClient 12:658ca6865de2 449 else
AzureIoTClient 12:658ca6865de2 450 {
AzureIoTClient 12:658ca6865de2 451 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 452 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 453 {
AzureIoTClient 12:658ca6865de2 454 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 455 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 456 *status_code = 0;
AzureIoTClient 12:658ca6865de2 457 *request_id = 0;
AzureIoTClient 12:658ca6865de2 458 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 459 }
AzureIoTClient 12:658ca6865de2 460 else
AzureIoTClient 12:658ca6865de2 461 {
AzureIoTClient 18:ec8e5e97c6a4 462 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 463 size_t token_count = 0;
AzureIoTClient 12:658ca6865de2 464 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 465 {
AzureIoTClient 12:658ca6865de2 466 if (token_count == 2)
AzureIoTClient 12:658ca6865de2 467 {
AzureIoTClient 12:658ca6865de2 468 if (strcmp(STRING_c_str(token_value), "PATCH") == 0)
AzureIoTClient 12:658ca6865de2 469 {
AzureIoTClient 12:658ca6865de2 470 *patch_msg = true;
AzureIoTClient 12:658ca6865de2 471 *status_code = 0;
AzureIoTClient 12:658ca6865de2 472 *request_id = 0;
AzureIoTClient 12:658ca6865de2 473 result = 0;
AzureIoTClient 12:658ca6865de2 474 break;
AzureIoTClient 12:658ca6865de2 475 }
AzureIoTClient 12:658ca6865de2 476 else
AzureIoTClient 12:658ca6865de2 477 {
AzureIoTClient 12:658ca6865de2 478 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 479 }
AzureIoTClient 12:658ca6865de2 480 }
AzureIoTClient 12:658ca6865de2 481 else if (token_count == 3)
AzureIoTClient 12:658ca6865de2 482 {
AzureIoTClient 34:9363cf585ef3 483 *status_code = (int)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 484 if (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/?$rid=") == 0)
AzureIoTClient 12:658ca6865de2 485 {
AzureIoTClient 12:658ca6865de2 486 *request_id = (size_t)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 487 }
AzureIoTClient 12:658ca6865de2 488 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 489 result = 0;
AzureIoTClient 12:658ca6865de2 490 break;
AzureIoTClient 12:658ca6865de2 491 }
AzureIoTClient 12:658ca6865de2 492 token_count++;
AzureIoTClient 12:658ca6865de2 493 }
AzureIoTClient 12:658ca6865de2 494 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 495 }
AzureIoTClient 12:658ca6865de2 496 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 497 }
AzureIoTClient 12:658ca6865de2 498 return result;
AzureIoTClient 12:658ca6865de2 499 }
AzureIoTClient 12:658ca6865de2 500
AzureIoTClient 12:658ca6865de2 501 static IOTHUB_IDENTITY_TYPE retrieve_topic_type(const char* topic_resp)
AzureIoTClient 12:658ca6865de2 502 {
AzureIoTClient 12:658ca6865de2 503 IOTHUB_IDENTITY_TYPE type;
AzureIoTClient 12:658ca6865de2 504 size_t dev_twin_topic_len = sizeof(TOPIC_DEVICE_TWIN_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 505 size_t dev_method_topic_len = sizeof(TOPIC_DEVICE_METHOD_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 506 size_t topic_len = strlen(topic_resp);
AzureIoTClient 12:658ca6865de2 507 size_t len_to_use = (dev_twin_topic_len > dev_method_topic_len) ? dev_twin_topic_len : dev_method_topic_len;
AzureIoTClient 12:658ca6865de2 508
AzureIoTClient 12:658ca6865de2 509 bool search_device_twin = true;
AzureIoTClient 12:658ca6865de2 510 bool search_device_method = true;
AzureIoTClient 12:658ca6865de2 511 if (topic_len < len_to_use)
AzureIoTClient 12:658ca6865de2 512 {
AzureIoTClient 12:658ca6865de2 513 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 514 search_device_method = false;
AzureIoTClient 12:658ca6865de2 515 }
AzureIoTClient 12:658ca6865de2 516 else
AzureIoTClient 12:658ca6865de2 517 {
AzureIoTClient 16:14640ee83e99 518 size_t index = 0;
AzureIoTClient 16:14640ee83e99 519 for (index = 0; index < len_to_use && (search_device_twin || search_device_method); index++)
AzureIoTClient 12:658ca6865de2 520 {
AzureIoTClient 12:658ca6865de2 521 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 522 {
AzureIoTClient 12:658ca6865de2 523 if (index > dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 524 {
AzureIoTClient 12:658ca6865de2 525 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 526 }
AzureIoTClient 12:658ca6865de2 527 else
AzureIoTClient 12:658ca6865de2 528 {
AzureIoTClient 12:658ca6865de2 529 if (index == dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 530 {
AzureIoTClient 12:658ca6865de2 531 break;
AzureIoTClient 12:658ca6865de2 532 }
AzureIoTClient 14:4dc2b011be33 533 else if (TOUPPER(TOPIC_DEVICE_TWIN_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 534 {
AzureIoTClient 12:658ca6865de2 535 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 536 }
AzureIoTClient 12:658ca6865de2 537 }
AzureIoTClient 12:658ca6865de2 538 }
AzureIoTClient 12:658ca6865de2 539 if (search_device_method)
AzureIoTClient 12:658ca6865de2 540 {
AzureIoTClient 12:658ca6865de2 541 if (index > dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 542 {
AzureIoTClient 12:658ca6865de2 543 search_device_method = false;
AzureIoTClient 12:658ca6865de2 544 }
AzureIoTClient 12:658ca6865de2 545 else
AzureIoTClient 12:658ca6865de2 546 {
AzureIoTClient 12:658ca6865de2 547 if (index == dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 548 {
AzureIoTClient 12:658ca6865de2 549 break;
AzureIoTClient 12:658ca6865de2 550 }
AzureIoTClient 14:4dc2b011be33 551 else if (TOUPPER(TOPIC_DEVICE_METHOD_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 552 {
AzureIoTClient 12:658ca6865de2 553 search_device_method = false;
AzureIoTClient 12:658ca6865de2 554 }
AzureIoTClient 12:658ca6865de2 555 }
AzureIoTClient 12:658ca6865de2 556 }
AzureIoTClient 12:658ca6865de2 557 }
AzureIoTClient 12:658ca6865de2 558 }
AzureIoTClient 12:658ca6865de2 559 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 560 {
AzureIoTClient 12:658ca6865de2 561 type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 562 }
AzureIoTClient 12:658ca6865de2 563 else if (search_device_method)
AzureIoTClient 12:658ca6865de2 564 {
AzureIoTClient 12:658ca6865de2 565 type = IOTHUB_TYPE_DEVICE_METHODS;
AzureIoTClient 12:658ca6865de2 566 }
AzureIoTClient 12:658ca6865de2 567 else
AzureIoTClient 12:658ca6865de2 568 {
AzureIoTClient 12:658ca6865de2 569 type = IOTHUB_TYPE_TELEMETRY;
AzureIoTClient 12:658ca6865de2 570 }
AzureIoTClient 12:658ca6865de2 571 return type;
AzureIoTClient 12:658ca6865de2 572 }
AzureIoTClient 12:658ca6865de2 573
AzureIoTClient 11:31ebaeb51e1e 574 static void sendMsgComplete(IOTHUB_MESSAGE_LIST* iothubMsgList, PMQTTTRANSPORT_HANDLE_DATA transport_data, IOTHUB_CLIENT_CONFIRMATION_RESULT confirmResult)
AzureIoTClient 11:31ebaeb51e1e 575 {
AzureIoTClient 11:31ebaeb51e1e 576 DLIST_ENTRY messageCompleted;
AzureIoTClient 11:31ebaeb51e1e 577 DList_InitializeListHead(&messageCompleted);
AzureIoTClient 11:31ebaeb51e1e 578 DList_InsertTailList(&messageCompleted, &(iothubMsgList->entry));
AzureIoTClient 11:31ebaeb51e1e 579 IoTHubClient_LL_SendComplete(transport_data->llClientHandle, &messageCompleted, confirmResult);
AzureIoTClient 11:31ebaeb51e1e 580 }
AzureIoTClient 11:31ebaeb51e1e 581
AzureIoTClient 11:31ebaeb51e1e 582 static STRING_HANDLE addPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, const char* eventTopic)
AzureIoTClient 11:31ebaeb51e1e 583 {
AzureIoTClient 11:31ebaeb51e1e 584 STRING_HANDLE result = STRING_construct(eventTopic);
AzureIoTClient 11:31ebaeb51e1e 585 const char* const* propertyKeys;
AzureIoTClient 11:31ebaeb51e1e 586 const char* const* propertyValues;
AzureIoTClient 11:31ebaeb51e1e 587 size_t propertyCount;
AzureIoTClient 23:84f4c36da8c1 588 size_t index = 0;
AzureIoTClient 11:31ebaeb51e1e 589
AzureIoTClient 11:31ebaeb51e1e 590 // Construct Properties
AzureIoTClient 11:31ebaeb51e1e 591 MAP_HANDLE properties_map = IoTHubMessage_Properties(iothub_message_handle);
AzureIoTClient 11:31ebaeb51e1e 592 if (properties_map != NULL)
AzureIoTClient 11:31ebaeb51e1e 593 {
AzureIoTClient 11:31ebaeb51e1e 594 if (Map_GetInternals(properties_map, &propertyKeys, &propertyValues, &propertyCount) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 595 {
AzureIoTClient 11:31ebaeb51e1e 596 LogError("Failed to get the internals of the property map.");
AzureIoTClient 11:31ebaeb51e1e 597 STRING_delete(result);
AzureIoTClient 11:31ebaeb51e1e 598 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 599 }
AzureIoTClient 11:31ebaeb51e1e 600 else
AzureIoTClient 11:31ebaeb51e1e 601 {
AzureIoTClient 11:31ebaeb51e1e 602 if (propertyCount != 0)
AzureIoTClient 11:31ebaeb51e1e 603 {
AzureIoTClient 16:14640ee83e99 604 for (index = 0; index < propertyCount && result != NULL; index++)
AzureIoTClient 11:31ebaeb51e1e 605 {
AzureIoTClient 11:31ebaeb51e1e 606 if (STRING_sprintf(result, "%s=%s%s", propertyKeys[index], propertyValues[index], propertyCount - 1 == index ? "" : PROPERTY_SEPARATOR) != 0)
AzureIoTClient 11:31ebaeb51e1e 607 {
AzureIoTClient 23:84f4c36da8c1 608 LogError("Failed construting property string.");
AzureIoTClient 11:31ebaeb51e1e 609 STRING_delete(result);
AzureIoTClient 11:31ebaeb51e1e 610 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 611 }
AzureIoTClient 11:31ebaeb51e1e 612 }
AzureIoTClient 11:31ebaeb51e1e 613 }
AzureIoTClient 11:31ebaeb51e1e 614 }
AzureIoTClient 11:31ebaeb51e1e 615 }
AzureIoTClient 23:84f4c36da8c1 616
AzureIoTClient 23:84f4c36da8c1 617 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_052: [ IoTHubTransport_MQTT_Common_DoWork shall check for the CorrelationId property and if found add the value as a system property in the format of $.cid=<id> ] */
AzureIoTClient 23:84f4c36da8c1 618 if (result != NULL)
AzureIoTClient 23:84f4c36da8c1 619 {
AzureIoTClient 23:84f4c36da8c1 620 const char* correlation_id = IoTHubMessage_GetCorrelationId(iothub_message_handle);
AzureIoTClient 23:84f4c36da8c1 621 if (correlation_id != NULL)
AzureIoTClient 23:84f4c36da8c1 622 {
AzureIoTClient 23:84f4c36da8c1 623 if (STRING_sprintf(result, "%s%%24.cid=%s", index == 0 ? "" : PROPERTY_SEPARATOR, correlation_id) != 0)
AzureIoTClient 23:84f4c36da8c1 624 {
AzureIoTClient 27:04de3c0bf1db 625 LogError("Failed setting correlation id.");
AzureIoTClient 23:84f4c36da8c1 626 STRING_delete(result);
AzureIoTClient 23:84f4c36da8c1 627 result = NULL;
AzureIoTClient 23:84f4c36da8c1 628 }
AzureIoTClient 23:84f4c36da8c1 629 index++;
AzureIoTClient 23:84f4c36da8c1 630 }
AzureIoTClient 23:84f4c36da8c1 631 }
AzureIoTClient 23:84f4c36da8c1 632
AzureIoTClient 23:84f4c36da8c1 633 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_053: [ IoTHubTransport_MQTT_Common_DoWork shall check for the MessageId property and if found add the value as a system property in the format of $.mid=<id> ] */
AzureIoTClient 23:84f4c36da8c1 634 if (result != NULL)
AzureIoTClient 23:84f4c36da8c1 635 {
AzureIoTClient 23:84f4c36da8c1 636 const char* msg_id = IoTHubMessage_GetMessageId(iothub_message_handle);
AzureIoTClient 23:84f4c36da8c1 637 if (msg_id != NULL)
AzureIoTClient 23:84f4c36da8c1 638 {
AzureIoTClient 23:84f4c36da8c1 639 if (STRING_sprintf(result, "%s%%24.mid=%s", index == 0 ? "" : PROPERTY_SEPARATOR, msg_id) != 0)
AzureIoTClient 23:84f4c36da8c1 640 {
AzureIoTClient 27:04de3c0bf1db 641 LogError("Failed setting message id.");
AzureIoTClient 27:04de3c0bf1db 642 STRING_delete(result);
AzureIoTClient 27:04de3c0bf1db 643 result = NULL;
AzureIoTClient 27:04de3c0bf1db 644 }
AzureIoTClient 27:04de3c0bf1db 645 index++;
AzureIoTClient 27:04de3c0bf1db 646 }
AzureIoTClient 27:04de3c0bf1db 647 }
AzureIoTClient 27:04de3c0bf1db 648
AzureIoTClient 27:04de3c0bf1db 649 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_010: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the ContentType property and if found add the `value` as a system property in the format of `$.ct=<value>` ]
AzureIoTClient 27:04de3c0bf1db 650 if (result != NULL)
AzureIoTClient 27:04de3c0bf1db 651 {
AzureIoTClient 27:04de3c0bf1db 652 const char* content_type = IoTHubMessage_GetContentTypeSystemProperty(iothub_message_handle);
AzureIoTClient 27:04de3c0bf1db 653 if (content_type != NULL)
AzureIoTClient 27:04de3c0bf1db 654 {
AzureIoTClient 27:04de3c0bf1db 655 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, CONTENT_TYPE_PROPERTY, content_type) != 0)
AzureIoTClient 27:04de3c0bf1db 656 {
AzureIoTClient 27:04de3c0bf1db 657 LogError("Failed setting content type.");
AzureIoTClient 23:84f4c36da8c1 658 STRING_delete(result);
AzureIoTClient 23:84f4c36da8c1 659 result = NULL;
AzureIoTClient 23:84f4c36da8c1 660 }
AzureIoTClient 27:04de3c0bf1db 661 index++;
AzureIoTClient 23:84f4c36da8c1 662 }
AzureIoTClient 23:84f4c36da8c1 663 }
AzureIoTClient 27:04de3c0bf1db 664
AzureIoTClient 27:04de3c0bf1db 665 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_011: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the ContentEncoding property and if found add the `value` as a system property in the format of `$.ce=<value>` ]
AzureIoTClient 27:04de3c0bf1db 666 if (result != NULL)
AzureIoTClient 27:04de3c0bf1db 667 {
AzureIoTClient 27:04de3c0bf1db 668 const char* content_encoding = IoTHubMessage_GetContentEncodingSystemProperty(iothub_message_handle);
AzureIoTClient 27:04de3c0bf1db 669 if (content_encoding != NULL)
AzureIoTClient 27:04de3c0bf1db 670 {
AzureIoTClient 27:04de3c0bf1db 671 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, CONTENT_ENCODING_PROPERTY, content_encoding) != 0)
AzureIoTClient 27:04de3c0bf1db 672 {
AzureIoTClient 27:04de3c0bf1db 673 LogError("Failed setting content encoding.");
AzureIoTClient 27:04de3c0bf1db 674 STRING_delete(result);
AzureIoTClient 27:04de3c0bf1db 675 result = NULL;
AzureIoTClient 27:04de3c0bf1db 676 }
AzureIoTClient 27:04de3c0bf1db 677 index++;
AzureIoTClient 27:04de3c0bf1db 678 }
AzureIoTClient 27:04de3c0bf1db 679 }
AzureIoTClient 27:04de3c0bf1db 680
AzureIoTClient 30:52ff609606c8 681 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_014: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the diagnostic properties including diagid and diagCreationTimeUtc and if found both add them as system property in the format of `$.diagid` and `$.diagctx` respectively]
AzureIoTClient 30:52ff609606c8 682 if (result != NULL)
AzureIoTClient 30:52ff609606c8 683 {
AzureIoTClient 30:52ff609606c8 684 const IOTHUB_MESSAGE_DIAGNOSTIC_PROPERTY_DATA* diagnosticData = IoTHubMessage_GetDiagnosticPropertyData(iothub_message_handle);
AzureIoTClient 30:52ff609606c8 685 if (diagnosticData != NULL)
AzureIoTClient 30:52ff609606c8 686 {
AzureIoTClient 30:52ff609606c8 687 const char* diag_id = diagnosticData->diagnosticId;
AzureIoTClient 30:52ff609606c8 688 const char* creation_time_utc = diagnosticData->diagnosticCreationTimeUtc;
AzureIoTClient 30:52ff609606c8 689 //diagid and creationtimeutc must be present/unpresent simultaneously
AzureIoTClient 30:52ff609606c8 690 if (diag_id != NULL && creation_time_utc != NULL)
AzureIoTClient 30:52ff609606c8 691 {
AzureIoTClient 30:52ff609606c8 692 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, DIAGNOSTIC_ID_PROPERTY, diag_id) != 0)
AzureIoTClient 30:52ff609606c8 693 {
AzureIoTClient 30:52ff609606c8 694 LogError("Failed setting diagnostic id");
AzureIoTClient 30:52ff609606c8 695 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 696 result = NULL;
AzureIoTClient 30:52ff609606c8 697 }
AzureIoTClient 30:52ff609606c8 698 index++;
AzureIoTClient 30:52ff609606c8 699
AzureIoTClient 30:52ff609606c8 700 if (result != NULL)
AzureIoTClient 30:52ff609606c8 701 {
AzureIoTClient 30:52ff609606c8 702 //construct diagnostic context, it should be urlencode(key1=value1,key2=value2)
AzureIoTClient 30:52ff609606c8 703 STRING_HANDLE diagContextHandle = STRING_construct_sprintf("%s=%s", DIAGNOSTIC_CONTEXT_CREATION_TIME_UTC_PROPERTY, creation_time_utc);
AzureIoTClient 30:52ff609606c8 704 if (diagContextHandle == NULL)
AzureIoTClient 30:52ff609606c8 705 {
AzureIoTClient 30:52ff609606c8 706 LogError("Failed constructing diagnostic context");
AzureIoTClient 30:52ff609606c8 707 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 708 result = NULL;
AzureIoTClient 30:52ff609606c8 709 }
AzureIoTClient 30:52ff609606c8 710 else
AzureIoTClient 30:52ff609606c8 711 {
AzureIoTClient 30:52ff609606c8 712 //Add other diagnostic context properties here if have more
AzureIoTClient 30:52ff609606c8 713 STRING_HANDLE encodedContextValueHandle = URL_Encode(diagContextHandle);
AzureIoTClient 30:52ff609606c8 714 const char* encodedContextValueString = NULL;
AzureIoTClient 30:52ff609606c8 715 if (encodedContextValueHandle != NULL &&
AzureIoTClient 30:52ff609606c8 716 (encodedContextValueString = STRING_c_str(encodedContextValueHandle)) != NULL)
AzureIoTClient 30:52ff609606c8 717 {
AzureIoTClient 30:52ff609606c8 718 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, DIAGNOSTIC_CONTEXT_PROPERTY, encodedContextValueString) != 0)
AzureIoTClient 30:52ff609606c8 719 {
AzureIoTClient 30:52ff609606c8 720 LogError("Failed setting diagnostic context");
AzureIoTClient 30:52ff609606c8 721 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 722 result = NULL;
AzureIoTClient 30:52ff609606c8 723 }
AzureIoTClient 30:52ff609606c8 724 STRING_delete(encodedContextValueHandle);
AzureIoTClient 30:52ff609606c8 725 encodedContextValueHandle = NULL;
AzureIoTClient 30:52ff609606c8 726 }
AzureIoTClient 30:52ff609606c8 727 else
AzureIoTClient 30:52ff609606c8 728 {
AzureIoTClient 30:52ff609606c8 729 LogError("Failed encoding diagnostic context value");
AzureIoTClient 30:52ff609606c8 730 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 731 result = NULL;
AzureIoTClient 30:52ff609606c8 732 }
AzureIoTClient 30:52ff609606c8 733 STRING_delete(diagContextHandle);
AzureIoTClient 30:52ff609606c8 734 diagContextHandle = NULL;
AzureIoTClient 30:52ff609606c8 735 index++;
AzureIoTClient 30:52ff609606c8 736 }
AzureIoTClient 30:52ff609606c8 737 }
AzureIoTClient 30:52ff609606c8 738 }
AzureIoTClient 30:52ff609606c8 739 else if (diag_id != NULL || creation_time_utc != NULL)
AzureIoTClient 30:52ff609606c8 740 {
AzureIoTClient 30:52ff609606c8 741 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_015: [ `IoTHubTransport_MQTT_Common_DoWork` shall check whether diagid and diagCreationTimeUtc be present simultaneously, treat as error if not]
AzureIoTClient 30:52ff609606c8 742 LogError("diagid and diagcreationtimeutc must be present simultaneously.");
AzureIoTClient 30:52ff609606c8 743 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 744 result = NULL;
AzureIoTClient 30:52ff609606c8 745 }
AzureIoTClient 30:52ff609606c8 746 }
AzureIoTClient 30:52ff609606c8 747 }
AzureIoTClient 30:52ff609606c8 748
AzureIoTClient 11:31ebaeb51e1e 749 return result;
AzureIoTClient 11:31ebaeb51e1e 750 }
AzureIoTClient 11:31ebaeb51e1e 751
AzureIoTClient 11:31ebaeb51e1e 752 static int publish_mqtt_telemetry_msg(PMQTTTRANSPORT_HANDLE_DATA transport_data, MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry, const unsigned char* payload, size_t len)
AzureIoTClient 11:31ebaeb51e1e 753 {
AzureIoTClient 11:31ebaeb51e1e 754 int result;
AzureIoTClient 11:31ebaeb51e1e 755 STRING_HANDLE msgTopic = addPropertiesTouMqttMessage(mqttMsgEntry->iotHubMessageEntry->messageHandle, STRING_c_str(transport_data->topic_MqttEvent));
AzureIoTClient 11:31ebaeb51e1e 756 if (msgTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 757 {
AzureIoTClient 27:04de3c0bf1db 758 LogError("Failed adding properties to mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 759 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 760 }
AzureIoTClient 11:31ebaeb51e1e 761 else
AzureIoTClient 11:31ebaeb51e1e 762 {
AzureIoTClient 11:31ebaeb51e1e 763 MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(mqttMsgEntry->packet_id, STRING_c_str(msgTopic), DELIVER_AT_LEAST_ONCE, payload, len);
AzureIoTClient 11:31ebaeb51e1e 764 if (mqttMsg == NULL)
AzureIoTClient 11:31ebaeb51e1e 765 {
AzureIoTClient 27:04de3c0bf1db 766 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 767 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 768 }
AzureIoTClient 11:31ebaeb51e1e 769 else
AzureIoTClient 11:31ebaeb51e1e 770 {
Azure.IoT.Build 13:606465879c57 771 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqttMsgEntry->msgPublishTime) != 0)
AzureIoTClient 11:31ebaeb51e1e 772 {
AzureIoTClient 11:31ebaeb51e1e 773 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 774 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 775 }
AzureIoTClient 11:31ebaeb51e1e 776 else
AzureIoTClient 11:31ebaeb51e1e 777 {
AzureIoTClient 11:31ebaeb51e1e 778 if (mqtt_client_publish(transport_data->mqttClient, mqttMsg) != 0)
AzureIoTClient 11:31ebaeb51e1e 779 {
AzureIoTClient 27:04de3c0bf1db 780 LogError("Failed attempting to publish mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 781 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 782 }
AzureIoTClient 11:31ebaeb51e1e 783 else
AzureIoTClient 11:31ebaeb51e1e 784 {
AzureIoTClient 11:31ebaeb51e1e 785 mqttMsgEntry->retryCount++;
AzureIoTClient 11:31ebaeb51e1e 786 result = 0;
AzureIoTClient 11:31ebaeb51e1e 787 }
AzureIoTClient 11:31ebaeb51e1e 788 }
AzureIoTClient 11:31ebaeb51e1e 789 mqttmessage_destroy(mqttMsg);
AzureIoTClient 11:31ebaeb51e1e 790 }
AzureIoTClient 11:31ebaeb51e1e 791 STRING_delete(msgTopic);
AzureIoTClient 11:31ebaeb51e1e 792 }
AzureIoTClient 11:31ebaeb51e1e 793 return result;
AzureIoTClient 11:31ebaeb51e1e 794 }
AzureIoTClient 11:31ebaeb51e1e 795
AzureIoTClient 14:4dc2b011be33 796 static int publish_device_method_message(MQTTTRANSPORT_HANDLE_DATA* transport_data, int status_code, STRING_HANDLE request_id, const unsigned char* response, size_t response_size)
AzureIoTClient 12:658ca6865de2 797 {
AzureIoTClient 12:658ca6865de2 798 int result;
AzureIoTClient 12:658ca6865de2 799 uint16_t packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 800
AzureIoTClient 14:4dc2b011be33 801 STRING_HANDLE msg_topic = STRING_construct_sprintf(DEVICE_METHOD_RESPONSE_TOPIC, status_code, STRING_c_str(request_id) );
AzureIoTClient 12:658ca6865de2 802 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 803 {
AzureIoTClient 12:658ca6865de2 804 LogError("Failed constructing message topic.");
AzureIoTClient 18:ec8e5e97c6a4 805 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 806 }
AzureIoTClient 12:658ca6865de2 807 else
AzureIoTClient 12:658ca6865de2 808 {
AzureIoTClient 14:4dc2b011be33 809 MQTT_MESSAGE_HANDLE mqtt_get_msg = mqttmessage_create(packet_id, STRING_c_str(msg_topic), DELIVER_AT_MOST_ONCE, response, response_size);
AzureIoTClient 12:658ca6865de2 810 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 811 {
AzureIoTClient 12:658ca6865de2 812 LogError("Failed constructing mqtt message.");
AzureIoTClient 18:ec8e5e97c6a4 813 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 814 }
AzureIoTClient 12:658ca6865de2 815 else
AzureIoTClient 12:658ca6865de2 816 {
AzureIoTClient 12:658ca6865de2 817 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 818 {
AzureIoTClient 12:658ca6865de2 819 LogError("Failed publishing to mqtt client.");
AzureIoTClient 18:ec8e5e97c6a4 820 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 821 }
AzureIoTClient 12:658ca6865de2 822 else
AzureIoTClient 12:658ca6865de2 823 {
AzureIoTClient 12:658ca6865de2 824 result = 0;
AzureIoTClient 12:658ca6865de2 825 }
AzureIoTClient 12:658ca6865de2 826 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 827 }
AzureIoTClient 12:658ca6865de2 828 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 829 }
AzureIoTClient 12:658ca6865de2 830 return result;
AzureIoTClient 12:658ca6865de2 831 }
AzureIoTClient 12:658ca6865de2 832
AzureIoTClient 12:658ca6865de2 833 static int publish_device_twin_get_message(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 12:658ca6865de2 834 {
AzureIoTClient 12:658ca6865de2 835 int result;
AzureIoTClient 12:658ca6865de2 836 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 837 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 838 {
AzureIoTClient 12:658ca6865de2 839 LogError("Failed allocating device twin data.");
AzureIoTClient 18:ec8e5e97c6a4 840 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 841 }
AzureIoTClient 12:658ca6865de2 842 else
AzureIoTClient 12:658ca6865de2 843 {
AzureIoTClient 12:658ca6865de2 844 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 845 mqtt_info->iothub_msg_id = 0;
AzureIoTClient 12:658ca6865de2 846 mqtt_info->device_twin_msg_type = RETRIEVE_PROPERTIES;
AzureIoTClient 12:658ca6865de2 847 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 848 mqtt_info->msgPublishTime = 0;
AzureIoTClient 12:658ca6865de2 849 mqtt_info->iothub_type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 850 mqtt_info->device_twin_data = NULL;
AzureIoTClient 12:658ca6865de2 851 STRING_HANDLE msg_topic = STRING_construct_sprintf(GET_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 852 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 853 {
AzureIoTClient 12:658ca6865de2 854 LogError("Failed constructing get Prop topic.");
AzureIoTClient 12:658ca6865de2 855 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 856 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 857 }
AzureIoTClient 12:658ca6865de2 858 else
AzureIoTClient 12:658ca6865de2 859 {
AzureIoTClient 12:658ca6865de2 860 MQTT_MESSAGE_HANDLE mqtt_get_msg = mqttmessage_create(mqtt_info->packet_id, STRING_c_str(msg_topic), DELIVER_AT_MOST_ONCE, NULL, 0);
AzureIoTClient 12:658ca6865de2 861 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 862 {
AzureIoTClient 12:658ca6865de2 863 LogError("Failed constructing mqtt message.");
AzureIoTClient 12:658ca6865de2 864 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 865 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 866 }
AzureIoTClient 12:658ca6865de2 867 else
AzureIoTClient 12:658ca6865de2 868 {
AzureIoTClient 12:658ca6865de2 869 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 870 {
AzureIoTClient 12:658ca6865de2 871 LogError("Failed publishing to mqtt client.");
AzureIoTClient 12:658ca6865de2 872 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 873 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 874 }
AzureIoTClient 12:658ca6865de2 875 else
AzureIoTClient 12:658ca6865de2 876 {
AzureIoTClient 12:658ca6865de2 877 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 878 result = 0;
AzureIoTClient 12:658ca6865de2 879 }
AzureIoTClient 12:658ca6865de2 880 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 881 }
AzureIoTClient 12:658ca6865de2 882 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 883 }
AzureIoTClient 12:658ca6865de2 884 }
AzureIoTClient 12:658ca6865de2 885 return result;
AzureIoTClient 12:658ca6865de2 886 }
AzureIoTClient 12:658ca6865de2 887
AzureIoTClient 12:658ca6865de2 888 static int publish_device_twin_message(MQTTTRANSPORT_HANDLE_DATA* transport_data, IOTHUB_DEVICE_TWIN* device_twin_info, MQTT_DEVICE_TWIN_ITEM* mqtt_info)
AzureIoTClient 12:658ca6865de2 889 {
AzureIoTClient 12:658ca6865de2 890 int result;
AzureIoTClient 12:658ca6865de2 891 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 892 mqtt_info->device_twin_msg_type = REPORTED_STATE;
AzureIoTClient 12:658ca6865de2 893 STRING_HANDLE msgTopic = STRING_construct_sprintf(REPORTED_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 894 if (msgTopic == NULL)
AzureIoTClient 12:658ca6865de2 895 {
AzureIoTClient 12:658ca6865de2 896 LogError("Failed constructing reported prop topic.");
AzureIoTClient 18:ec8e5e97c6a4 897 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 898 }
AzureIoTClient 12:658ca6865de2 899 else
AzureIoTClient 12:658ca6865de2 900 {
AzureIoTClient 12:658ca6865de2 901 const CONSTBUFFER* data_buff = CONSTBUFFER_GetContent(device_twin_info->report_data_handle);
AzureIoTClient 12:658ca6865de2 902 MQTT_MESSAGE_HANDLE mqtt_rpt_msg = mqttmessage_create(mqtt_info->packet_id, STRING_c_str(msgTopic), DELIVER_AT_MOST_ONCE, data_buff->buffer, data_buff->size);
AzureIoTClient 12:658ca6865de2 903 if (mqtt_rpt_msg == NULL)
AzureIoTClient 12:658ca6865de2 904 {
AzureIoTClient 12:658ca6865de2 905 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 906 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 907 }
AzureIoTClient 12:658ca6865de2 908 else
AzureIoTClient 12:658ca6865de2 909 {
Azure.IoT.Build 13:606465879c57 910 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqtt_info->msgPublishTime) != 0)
AzureIoTClient 12:658ca6865de2 911 {
AzureIoTClient 12:658ca6865de2 912 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 913 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 914 }
AzureIoTClient 12:658ca6865de2 915 else
AzureIoTClient 12:658ca6865de2 916 {
AzureIoTClient 12:658ca6865de2 917 if (mqtt_client_publish(transport_data->mqttClient, mqtt_rpt_msg) != 0)
AzureIoTClient 12:658ca6865de2 918 {
AzureIoTClient 12:658ca6865de2 919 LogError("Failed publishing mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 920 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 921 }
AzureIoTClient 12:658ca6865de2 922 else
AzureIoTClient 12:658ca6865de2 923 {
AzureIoTClient 12:658ca6865de2 924 mqtt_info->retryCount++;
AzureIoTClient 12:658ca6865de2 925 result = 0;
AzureIoTClient 12:658ca6865de2 926 }
AzureIoTClient 12:658ca6865de2 927 }
AzureIoTClient 12:658ca6865de2 928 mqttmessage_destroy(mqtt_rpt_msg);
AzureIoTClient 12:658ca6865de2 929 }
AzureIoTClient 12:658ca6865de2 930 STRING_delete(msgTopic);
AzureIoTClient 12:658ca6865de2 931 }
AzureIoTClient 12:658ca6865de2 932 return result;
AzureIoTClient 12:658ca6865de2 933 }
AzureIoTClient 12:658ca6865de2 934
AzureIoTClient 11:31ebaeb51e1e 935 static bool isSystemProperty(const char* tokenData)
AzureIoTClient 11:31ebaeb51e1e 936 {
AzureIoTClient 11:31ebaeb51e1e 937 bool result = false;
AzureIoTClient 11:31ebaeb51e1e 938 size_t propCount = sizeof(sysPropList)/sizeof(sysPropList[0]);
AzureIoTClient 16:14640ee83e99 939 size_t index = 0;
AzureIoTClient 16:14640ee83e99 940 for (index = 0; index < propCount; index++)
AzureIoTClient 11:31ebaeb51e1e 941 {
AzureIoTClient 11:31ebaeb51e1e 942 if (memcmp(tokenData, sysPropList[index].propName, sysPropList[index].propLength) == 0)
AzureIoTClient 11:31ebaeb51e1e 943 {
AzureIoTClient 11:31ebaeb51e1e 944 result = true;
AzureIoTClient 11:31ebaeb51e1e 945 break;
AzureIoTClient 11:31ebaeb51e1e 946 }
AzureIoTClient 11:31ebaeb51e1e 947 }
AzureIoTClient 11:31ebaeb51e1e 948 return result;
AzureIoTClient 11:31ebaeb51e1e 949 }
AzureIoTClient 11:31ebaeb51e1e 950
AzureIoTClient 31:d6198e67d1eb 951 static int setMqttMessagePropertyIfPossible(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* propName, const char* propValue, size_t nameLen)
AzureIoTClient 31:d6198e67d1eb 952 {
AzureIoTClient 31:d6198e67d1eb 953 // Not finding a system property to map to isn't an error.
AzureIoTClient 31:d6198e67d1eb 954 int result = 0;
AzureIoTClient 31:d6198e67d1eb 955
AzureIoTClient 31:d6198e67d1eb 956 if (nameLen > 2)
AzureIoTClient 31:d6198e67d1eb 957 {
AzureIoTClient 31:d6198e67d1eb 958 if (nameLen > 3)
AzureIoTClient 31:d6198e67d1eb 959 {
AzureIoTClient 31:d6198e67d1eb 960 if (strcmp((const char*)&propName[nameLen - 3], MESSAGE_ID_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 961 {
AzureIoTClient 31:d6198e67d1eb 962 if (IoTHubMessage_SetMessageId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 963 {
AzureIoTClient 31:d6198e67d1eb 964 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'messageId' property.");
AzureIoTClient 31:d6198e67d1eb 965 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 966 }
AzureIoTClient 31:d6198e67d1eb 967 }
AzureIoTClient 31:d6198e67d1eb 968 else if (strcmp((const char*)&propName[nameLen - 3], CORRELATION_ID_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 969 {
AzureIoTClient 31:d6198e67d1eb 970 if (IoTHubMessage_SetCorrelationId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 971 {
AzureIoTClient 31:d6198e67d1eb 972 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'correlationId' property.");
AzureIoTClient 31:d6198e67d1eb 973 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 974 }
AzureIoTClient 31:d6198e67d1eb 975 }
AzureIoTClient 31:d6198e67d1eb 976 }
AzureIoTClient 31:d6198e67d1eb 977
AzureIoTClient 31:d6198e67d1eb 978 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_012: [ If type is IOTHUB_TYPE_TELEMETRY and the system property `$.ct` is defined, its value shall be set on the IOTHUB_MESSAGE_HANDLE's ContentType property ]
AzureIoTClient 31:d6198e67d1eb 979 if (strcmp((const char*)&propName[nameLen - 2], CONTENT_TYPE_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 980 {
AzureIoTClient 31:d6198e67d1eb 981 if (IoTHubMessage_SetContentTypeSystemProperty(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 982 {
AzureIoTClient 31:d6198e67d1eb 983 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'customContentType' property.");
AzureIoTClient 31:d6198e67d1eb 984 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 985 }
AzureIoTClient 31:d6198e67d1eb 986 }
AzureIoTClient 31:d6198e67d1eb 987 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_013: [ If type is IOTHUB_TYPE_TELEMETRY and the system property `$.ce` is defined, its value shall be set on the IOTHUB_MESSAGE_HANDLE's ContentEncoding property ]
AzureIoTClient 31:d6198e67d1eb 988 else if (strcmp((const char*)&propName[nameLen - 2], CONTENT_ENCODING_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 989 {
AzureIoTClient 31:d6198e67d1eb 990 if (IoTHubMessage_SetContentEncodingSystemProperty(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 991 {
AzureIoTClient 31:d6198e67d1eb 992 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'contentEncoding' property.");
AzureIoTClient 31:d6198e67d1eb 993 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 994 }
AzureIoTClient 31:d6198e67d1eb 995 }
AzureIoTClient 31:d6198e67d1eb 996 }
AzureIoTClient 31:d6198e67d1eb 997
AzureIoTClient 31:d6198e67d1eb 998 return result;
AzureIoTClient 31:d6198e67d1eb 999 }
AzureIoTClient 31:d6198e67d1eb 1000
AzureIoTClient 11:31ebaeb51e1e 1001 static int extractMqttProperties(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* topic_name)
AzureIoTClient 11:31ebaeb51e1e 1002 {
AzureIoTClient 11:31ebaeb51e1e 1003 int result;
AzureIoTClient 11:31ebaeb51e1e 1004 STRING_HANDLE mqttTopic = STRING_construct(topic_name);
AzureIoTClient 11:31ebaeb51e1e 1005 if (mqttTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 1006 {
AzureIoTClient 11:31ebaeb51e1e 1007 LogError("Failure constructing string topic name.");
AzureIoTClient 18:ec8e5e97c6a4 1008 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1009 }
AzureIoTClient 11:31ebaeb51e1e 1010 else
AzureIoTClient 11:31ebaeb51e1e 1011 {
AzureIoTClient 11:31ebaeb51e1e 1012 STRING_TOKENIZER_HANDLE token = STRING_TOKENIZER_create(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1013 if (token != NULL)
AzureIoTClient 11:31ebaeb51e1e 1014 {
AzureIoTClient 11:31ebaeb51e1e 1015 MAP_HANDLE propertyMap = IoTHubMessage_Properties(IoTHubMessage);
AzureIoTClient 11:31ebaeb51e1e 1016 if (propertyMap == NULL)
AzureIoTClient 11:31ebaeb51e1e 1017 {
AzureIoTClient 11:31ebaeb51e1e 1018 LogError("Failure to retrieve IoTHubMessage_properties.");
AzureIoTClient 18:ec8e5e97c6a4 1019 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1020 }
AzureIoTClient 11:31ebaeb51e1e 1021 else
AzureIoTClient 11:31ebaeb51e1e 1022 {
AzureIoTClient 11:31ebaeb51e1e 1023 STRING_HANDLE output = STRING_new();
AzureIoTClient 11:31ebaeb51e1e 1024 if (output == NULL)
AzureIoTClient 11:31ebaeb51e1e 1025 {
AzureIoTClient 11:31ebaeb51e1e 1026 LogError("Failure to allocate STRING_new.");
AzureIoTClient 18:ec8e5e97c6a4 1027 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1028 }
AzureIoTClient 11:31ebaeb51e1e 1029 else
AzureIoTClient 11:31ebaeb51e1e 1030 {
AzureIoTClient 11:31ebaeb51e1e 1031 result = 0;
AzureIoTClient 18:ec8e5e97c6a4 1032
AzureIoTClient 11:31ebaeb51e1e 1033 while (STRING_TOKENIZER_get_next_token(token, output, PROPERTY_SEPARATOR) == 0 && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1034 {
AzureIoTClient 11:31ebaeb51e1e 1035 const char* tokenData = STRING_c_str(output);
AzureIoTClient 11:31ebaeb51e1e 1036 size_t tokenLen = strlen(tokenData);
AzureIoTClient 11:31ebaeb51e1e 1037 if (tokenData == NULL || tokenLen == 0)
AzureIoTClient 11:31ebaeb51e1e 1038 {
AzureIoTClient 11:31ebaeb51e1e 1039 break;
AzureIoTClient 11:31ebaeb51e1e 1040 }
AzureIoTClient 11:31ebaeb51e1e 1041 else
AzureIoTClient 11:31ebaeb51e1e 1042 {
AzureIoTClient 18:ec8e5e97c6a4 1043 if (isSystemProperty(tokenData))
AzureIoTClient 11:31ebaeb51e1e 1044 {
AzureIoTClient 11:31ebaeb51e1e 1045 const char* iterator = tokenData;
AzureIoTClient 11:31ebaeb51e1e 1046 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1047 {
AzureIoTClient 11:31ebaeb51e1e 1048 if (*iterator == '=')
AzureIoTClient 11:31ebaeb51e1e 1049 {
AzureIoTClient 11:31ebaeb51e1e 1050 size_t nameLen = iterator - tokenData;
AzureIoTClient 11:31ebaeb51e1e 1051 char* propName = malloc(nameLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1052
AzureIoTClient 11:31ebaeb51e1e 1053 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 11:31ebaeb51e1e 1054 char* propValue = malloc(valLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1055
AzureIoTClient 11:31ebaeb51e1e 1056 if (propName == NULL || propValue == NULL)
AzureIoTClient 11:31ebaeb51e1e 1057 {
AzureIoTClient 27:04de3c0bf1db 1058 LogError("Failed allocating property name (%p) and/or value (%p)", propName, propValue);
AzureIoTClient 18:ec8e5e97c6a4 1059 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1060 }
AzureIoTClient 18:ec8e5e97c6a4 1061 else
AzureIoTClient 18:ec8e5e97c6a4 1062 {
AzureIoTClient 18:ec8e5e97c6a4 1063 strncpy(propName, tokenData, nameLen);
AzureIoTClient 18:ec8e5e97c6a4 1064 propName[nameLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1065
AzureIoTClient 18:ec8e5e97c6a4 1066 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 18:ec8e5e97c6a4 1067 propValue[valLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1068
AzureIoTClient 31:d6198e67d1eb 1069 if (setMqttMessagePropertyIfPossible(IoTHubMessage, propName, propValue, nameLen) != 0)
AzureIoTClient 18:ec8e5e97c6a4 1070 {
AzureIoTClient 31:d6198e67d1eb 1071 LogError("Unable to set message property");
AzureIoTClient 31:d6198e67d1eb 1072 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1073 }
AzureIoTClient 18:ec8e5e97c6a4 1074 }
AzureIoTClient 18:ec8e5e97c6a4 1075 free(propName);
AzureIoTClient 18:ec8e5e97c6a4 1076 free(propValue);
AzureIoTClient 18:ec8e5e97c6a4 1077
AzureIoTClient 18:ec8e5e97c6a4 1078 break;
AzureIoTClient 18:ec8e5e97c6a4 1079 }
AzureIoTClient 18:ec8e5e97c6a4 1080 iterator++;
AzureIoTClient 18:ec8e5e97c6a4 1081 }
AzureIoTClient 18:ec8e5e97c6a4 1082 }
AzureIoTClient 18:ec8e5e97c6a4 1083 else
AzureIoTClient 18:ec8e5e97c6a4 1084 {
AzureIoTClient 18:ec8e5e97c6a4 1085 const char* iterator = tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1086 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 18:ec8e5e97c6a4 1087 {
AzureIoTClient 18:ec8e5e97c6a4 1088 if (*iterator == '=')
AzureIoTClient 18:ec8e5e97c6a4 1089 {
AzureIoTClient 18:ec8e5e97c6a4 1090 size_t nameLen = iterator - tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1091 char* propName = malloc(nameLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1092
AzureIoTClient 18:ec8e5e97c6a4 1093 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 18:ec8e5e97c6a4 1094 char* propValue = malloc(valLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1095
AzureIoTClient 18:ec8e5e97c6a4 1096 if (propName == NULL || propValue == NULL)
AzureIoTClient 18:ec8e5e97c6a4 1097 {
AzureIoTClient 18:ec8e5e97c6a4 1098 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1099 }
AzureIoTClient 11:31ebaeb51e1e 1100 else
AzureIoTClient 11:31ebaeb51e1e 1101 {
AzureIoTClient 11:31ebaeb51e1e 1102 strncpy(propName, tokenData, nameLen);
AzureIoTClient 11:31ebaeb51e1e 1103 propName[nameLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1104
AzureIoTClient 11:31ebaeb51e1e 1105 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 11:31ebaeb51e1e 1106 propValue[valLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1107
AzureIoTClient 11:31ebaeb51e1e 1108 if (Map_AddOrUpdate(propertyMap, propName, propValue) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 1109 {
AzureIoTClient 11:31ebaeb51e1e 1110 LogError("Map_AddOrUpdate failed.");
AzureIoTClient 18:ec8e5e97c6a4 1111 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1112 }
AzureIoTClient 11:31ebaeb51e1e 1113 }
AzureIoTClient 11:31ebaeb51e1e 1114 free(propName);
AzureIoTClient 11:31ebaeb51e1e 1115 free(propValue);
AzureIoTClient 11:31ebaeb51e1e 1116
AzureIoTClient 11:31ebaeb51e1e 1117 break;
AzureIoTClient 11:31ebaeb51e1e 1118 }
AzureIoTClient 11:31ebaeb51e1e 1119 iterator++;
AzureIoTClient 11:31ebaeb51e1e 1120 }
AzureIoTClient 11:31ebaeb51e1e 1121 }
AzureIoTClient 11:31ebaeb51e1e 1122 }
AzureIoTClient 11:31ebaeb51e1e 1123 }
AzureIoTClient 11:31ebaeb51e1e 1124 STRING_delete(output);
AzureIoTClient 11:31ebaeb51e1e 1125 }
AzureIoTClient 11:31ebaeb51e1e 1126 }
AzureIoTClient 11:31ebaeb51e1e 1127 STRING_TOKENIZER_destroy(token);
AzureIoTClient 11:31ebaeb51e1e 1128 }
AzureIoTClient 11:31ebaeb51e1e 1129 else
AzureIoTClient 11:31ebaeb51e1e 1130 {
AzureIoTClient 11:31ebaeb51e1e 1131 LogError("Unable to create Tokenizer object.");
AzureIoTClient 18:ec8e5e97c6a4 1132 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1133 }
AzureIoTClient 11:31ebaeb51e1e 1134 STRING_delete(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1135 }
AzureIoTClient 11:31ebaeb51e1e 1136 return result;
AzureIoTClient 11:31ebaeb51e1e 1137 }
AzureIoTClient 11:31ebaeb51e1e 1138
AzureIoTClient 11:31ebaeb51e1e 1139 static void mqtt_notification_callback(MQTT_MESSAGE_HANDLE msgHandle, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1140 {
AzureIoTClient 14:4dc2b011be33 1141 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_051: [ If msgHandle or callbackCtx is NULL, mqtt_notification_callback shall do nothing. ] */
AzureIoTClient 11:31ebaeb51e1e 1142 if (msgHandle != NULL && callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1143 {
AzureIoTClient 14:4dc2b011be33 1144 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_052: [ mqtt_notification_callback shall extract the topic Name from the MQTT_MESSAGE_HANDLE. ] */
AzureIoTClient 11:31ebaeb51e1e 1145 const char* topic_resp = mqttmessage_getTopicName(msgHandle);
AzureIoTClient 11:31ebaeb51e1e 1146 if (topic_resp == NULL)
AzureIoTClient 11:31ebaeb51e1e 1147 {
AzureIoTClient 11:31ebaeb51e1e 1148 LogError("Failure: NULL topic name encountered");
AzureIoTClient 11:31ebaeb51e1e 1149 }
AzureIoTClient 11:31ebaeb51e1e 1150 else
AzureIoTClient 11:31ebaeb51e1e 1151 {
AzureIoTClient 11:31ebaeb51e1e 1152 PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1153
AzureIoTClient 12:658ca6865de2 1154 IOTHUB_IDENTITY_TYPE type = retrieve_topic_type(topic_resp);
AzureIoTClient 12:658ca6865de2 1155 if (type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 11:31ebaeb51e1e 1156 {
AzureIoTClient 12:658ca6865de2 1157 size_t request_id;
AzureIoTClient 12:658ca6865de2 1158 int status_code;
AzureIoTClient 12:658ca6865de2 1159 bool notification_msg;
AzureIoTClient 12:658ca6865de2 1160 if (parse_device_twin_topic_info(topic_resp, &notification_msg, &request_id, &status_code) != 0)
AzureIoTClient 12:658ca6865de2 1161 {
AzureIoTClient 12:658ca6865de2 1162 LogError("Failure: parsing device topic info");
AzureIoTClient 12:658ca6865de2 1163 }
AzureIoTClient 12:658ca6865de2 1164 else
AzureIoTClient 12:658ca6865de2 1165 {
AzureIoTClient 12:658ca6865de2 1166 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1167 if (notification_msg)
AzureIoTClient 12:658ca6865de2 1168 {
AzureIoTClient 12:658ca6865de2 1169 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_PARTIAL, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1170 }
AzureIoTClient 12:658ca6865de2 1171 else
AzureIoTClient 12:658ca6865de2 1172 {
AzureIoTClient 12:658ca6865de2 1173 PDLIST_ENTRY dev_twin_item = transportData->ack_waiting_queue.Flink;
AzureIoTClient 12:658ca6865de2 1174 while (dev_twin_item != &transportData->ack_waiting_queue)
AzureIoTClient 12:658ca6865de2 1175 {
AzureIoTClient 12:658ca6865de2 1176 DLIST_ENTRY saveListEntry;
AzureIoTClient 12:658ca6865de2 1177 saveListEntry.Flink = dev_twin_item->Flink;
AzureIoTClient 12:658ca6865de2 1178 MQTT_DEVICE_TWIN_ITEM* msg_entry = containingRecord(dev_twin_item, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 1179 if (request_id == msg_entry->packet_id)
AzureIoTClient 12:658ca6865de2 1180 {
AzureIoTClient 12:658ca6865de2 1181 (void)DList_RemoveEntryList(dev_twin_item);
AzureIoTClient 12:658ca6865de2 1182 if (msg_entry->device_twin_msg_type == RETRIEVE_PROPERTIES)
AzureIoTClient 12:658ca6865de2 1183 {
AzureIoTClient 14:4dc2b011be33 1184 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ If type is IOTHUB_TYPE_DEVICE_TWIN, then on success if msg_type is RETRIEVE_PROPERTIES then mqtt_notification_callback shall call IoTHubClient_LL_RetrievePropertyComplete... ] */
AzureIoTClient 12:658ca6865de2 1185 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_COMPLETE, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1186 }
AzureIoTClient 12:658ca6865de2 1187 else
AzureIoTClient 12:658ca6865de2 1188 {
AzureIoTClient 14:4dc2b011be33 1189 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_055: [ if device_twin_msg_type is not RETRIEVE_PROPERTIES then mqtt_notification_callback shall call IoTHubClient_LL_ReportedStateComplete ] */
AzureIoTClient 12:658ca6865de2 1190 IoTHubClient_LL_ReportedStateComplete(transportData->llClientHandle, msg_entry->iothub_msg_id, status_code);
AzureIoTClient 12:658ca6865de2 1191 }
AzureIoTClient 12:658ca6865de2 1192 free(msg_entry);
AzureIoTClient 12:658ca6865de2 1193 break;
AzureIoTClient 12:658ca6865de2 1194 }
AzureIoTClient 12:658ca6865de2 1195 dev_twin_item = saveListEntry.Flink;
AzureIoTClient 12:658ca6865de2 1196 }
AzureIoTClient 12:658ca6865de2 1197 }
AzureIoTClient 12:658ca6865de2 1198 }
AzureIoTClient 12:658ca6865de2 1199 }
AzureIoTClient 12:658ca6865de2 1200 else if (type == IOTHUB_TYPE_DEVICE_METHODS)
AzureIoTClient 12:658ca6865de2 1201 {
AzureIoTClient 12:658ca6865de2 1202 STRING_HANDLE method_name = STRING_new();
AzureIoTClient 12:658ca6865de2 1203 if (method_name == NULL)
AzureIoTClient 12:658ca6865de2 1204 {
AzureIoTClient 12:658ca6865de2 1205 LogError("Failure: allocating method_name string value");
AzureIoTClient 12:658ca6865de2 1206 }
AzureIoTClient 12:658ca6865de2 1207 else
AzureIoTClient 12:658ca6865de2 1208 {
AzureIoTClient 14:4dc2b011be33 1209 DEVICE_METHOD_INFO* dev_method_info = malloc(sizeof(DEVICE_METHOD_INFO) );
AzureIoTClient 14:4dc2b011be33 1210 if (dev_method_info == NULL)
AzureIoTClient 12:658ca6865de2 1211 {
AzureIoTClient 14:4dc2b011be33 1212 LogError("Failure: allocating DEVICE_METHOD_INFO object");
AzureIoTClient 12:658ca6865de2 1213 }
AzureIoTClient 12:658ca6865de2 1214 else
AzureIoTClient 12:658ca6865de2 1215 {
AzureIoTClient 14:4dc2b011be33 1216 dev_method_info->request_id = STRING_new();
AzureIoTClient 14:4dc2b011be33 1217 if (dev_method_info->request_id == NULL)
AzureIoTClient 14:4dc2b011be33 1218 {
AzureIoTClient 14:4dc2b011be33 1219 LogError("Failure constructing request_id string");
AzureIoTClient 14:4dc2b011be33 1220 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1221 }
AzureIoTClient 14:4dc2b011be33 1222 else if (retrieve_device_method_rid_info(topic_resp, method_name, dev_method_info->request_id) != 0)
AzureIoTClient 12:658ca6865de2 1223 {
AzureIoTClient 14:4dc2b011be33 1224 LogError("Failure: retrieve device topic info");
AzureIoTClient 14:4dc2b011be33 1225 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1226 free(dev_method_info);
AzureIoTClient 12:658ca6865de2 1227 }
AzureIoTClient 14:4dc2b011be33 1228 else
AzureIoTClient 14:4dc2b011be33 1229 {
AzureIoTClient 14:4dc2b011be33 1230 /* CodesSRS_IOTHUB_MQTT_TRANSPORT_07_053: [ If type is IOTHUB_TYPE_DEVICE_METHODS, then on success mqtt_notification_callback shall call IoTHubClient_LL_DeviceMethodComplete. ] */
AzureIoTClient 14:4dc2b011be33 1231 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 14:4dc2b011be33 1232 if (IoTHubClient_LL_DeviceMethodComplete(transportData->llClientHandle, STRING_c_str(method_name), payload->message, payload->length, (void*)dev_method_info) != 0)
AzureIoTClient 14:4dc2b011be33 1233 {
AzureIoTClient 14:4dc2b011be33 1234 LogError("Failure: IoTHubClient_LL_DeviceMethodComplete");
AzureIoTClient 14:4dc2b011be33 1235 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1236 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1237 }
AzureIoTClient 14:4dc2b011be33 1238 }
AzureIoTClient 12:658ca6865de2 1239 }
AzureIoTClient 12:658ca6865de2 1240 STRING_delete(method_name);
AzureIoTClient 12:658ca6865de2 1241 }
AzureIoTClient 11:31ebaeb51e1e 1242 }
AzureIoTClient 11:31ebaeb51e1e 1243 else
AzureIoTClient 11:31ebaeb51e1e 1244 {
AzureIoTClient 12:658ca6865de2 1245 const APP_PAYLOAD* appPayload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1246 IOTHUB_MESSAGE_HANDLE IoTHubMessage = IoTHubMessage_CreateFromByteArray(appPayload->message, appPayload->length);
AzureIoTClient 12:658ca6865de2 1247 if (IoTHubMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 1248 {
AzureIoTClient 12:658ca6865de2 1249 LogError("Failure: IotHub Message creation has failed.");
AzureIoTClient 11:31ebaeb51e1e 1250 }
AzureIoTClient 11:31ebaeb51e1e 1251 else
AzureIoTClient 11:31ebaeb51e1e 1252 {
AzureIoTClient 12:658ca6865de2 1253 // Will need to update this when the service has messages that can be rejected
AzureIoTClient 12:658ca6865de2 1254 if (extractMqttProperties(IoTHubMessage, topic_resp) != 0)
AzureIoTClient 12:658ca6865de2 1255 {
AzureIoTClient 12:658ca6865de2 1256 LogError("failure extracting mqtt properties.");
AzureIoTClient 12:658ca6865de2 1257 }
AzureIoTClient 12:658ca6865de2 1258 else
AzureIoTClient 11:31ebaeb51e1e 1259 {
AzureIoTClient 19:f87dfe76bc70 1260 MESSAGE_CALLBACK_INFO* messageData = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
AzureIoTClient 19:f87dfe76bc70 1261 if (messageData == NULL)
AzureIoTClient 19:f87dfe76bc70 1262 {
AzureIoTClient 19:f87dfe76bc70 1263 LogError("malloc failed");
AzureIoTClient 19:f87dfe76bc70 1264 }
AzureIoTClient 19:f87dfe76bc70 1265 else
AzureIoTClient 12:658ca6865de2 1266 {
AzureIoTClient 19:f87dfe76bc70 1267 messageData->messageHandle = IoTHubMessage;
AzureIoTClient 19:f87dfe76bc70 1268 messageData->transportContext = NULL;
AzureIoTClient 19:f87dfe76bc70 1269
AzureIoTClient 19:f87dfe76bc70 1270 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_056: [ If type is IOTHUB_TYPE_TELEMETRY, then on success mqtt_notification_callback shall call IoTHubClient_LL_MessageCallback. ] */
AzureIoTClient 19:f87dfe76bc70 1271 if (!IoTHubClient_LL_MessageCallback(transportData->llClientHandle, messageData))
AzureIoTClient 19:f87dfe76bc70 1272 {
AzureIoTClient 21:167f8fcf6fb1 1273 LogError("IoTHubClient_LL_MessageCallback returned false");
AzureIoTClient 19:f87dfe76bc70 1274
AzureIoTClient 19:f87dfe76bc70 1275 IoTHubMessage_Destroy(IoTHubMessage);
AzureIoTClient 19:f87dfe76bc70 1276 free(messageData);
AzureIoTClient 19:f87dfe76bc70 1277 }
AzureIoTClient 12:658ca6865de2 1278 }
AzureIoTClient 11:31ebaeb51e1e 1279 }
AzureIoTClient 11:31ebaeb51e1e 1280 }
AzureIoTClient 11:31ebaeb51e1e 1281 }
AzureIoTClient 11:31ebaeb51e1e 1282 }
AzureIoTClient 11:31ebaeb51e1e 1283 }
AzureIoTClient 11:31ebaeb51e1e 1284 }
AzureIoTClient 11:31ebaeb51e1e 1285
AzureIoTClient 11:31ebaeb51e1e 1286 static void mqtt_operation_complete_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1287 {
AzureIoTClient 11:31ebaeb51e1e 1288 (void)handle;
AzureIoTClient 11:31ebaeb51e1e 1289 if (callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1290 {
AzureIoTClient 11:31ebaeb51e1e 1291 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1292
AzureIoTClient 11:31ebaeb51e1e 1293 switch (actionResult)
AzureIoTClient 11:31ebaeb51e1e 1294 {
AzureIoTClient 11:31ebaeb51e1e 1295 case MQTT_CLIENT_ON_PUBLISH_ACK:
AzureIoTClient 11:31ebaeb51e1e 1296 case MQTT_CLIENT_ON_PUBLISH_COMP:
AzureIoTClient 11:31ebaeb51e1e 1297 {
AzureIoTClient 11:31ebaeb51e1e 1298 const PUBLISH_ACK* puback = (const PUBLISH_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1299 if (puback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1300 {
AzureIoTClient 11:31ebaeb51e1e 1301 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 1302 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 1303 {
AzureIoTClient 11:31ebaeb51e1e 1304 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 1305 DLIST_ENTRY saveListEntry;
AzureIoTClient 11:31ebaeb51e1e 1306 saveListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 1307
AzureIoTClient 11:31ebaeb51e1e 1308 if (puback->packetId == mqttMsgEntry->packet_id)
AzureIoTClient 11:31ebaeb51e1e 1309 {
AzureIoTClient 11:31ebaeb51e1e 1310 (void)DList_RemoveEntryList(currentListEntry); //First remove the item from Waiting for Ack List.
AzureIoTClient 11:31ebaeb51e1e 1311 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_OK);
AzureIoTClient 11:31ebaeb51e1e 1312 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 1313 }
AzureIoTClient 11:31ebaeb51e1e 1314 currentListEntry = saveListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 1315 }
AzureIoTClient 11:31ebaeb51e1e 1316 }
AzureIoTClient 11:31ebaeb51e1e 1317 else
AzureIoTClient 11:31ebaeb51e1e 1318 {
AzureIoTClient 11:31ebaeb51e1e 1319 LogError("Failure: MQTT_CLIENT_ON_PUBLISH_ACK publish_ack structure NULL.");
AzureIoTClient 11:31ebaeb51e1e 1320 }
AzureIoTClient 11:31ebaeb51e1e 1321 break;
AzureIoTClient 11:31ebaeb51e1e 1322 }
AzureIoTClient 11:31ebaeb51e1e 1323 case MQTT_CLIENT_ON_CONNACK:
AzureIoTClient 11:31ebaeb51e1e 1324 {
AzureIoTClient 11:31ebaeb51e1e 1325 const CONNECT_ACK* connack = (const CONNECT_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1326 if (connack != NULL)
AzureIoTClient 11:31ebaeb51e1e 1327 {
AzureIoTClient 11:31ebaeb51e1e 1328 if (connack->returnCode == CONNECTION_ACCEPTED)
AzureIoTClient 11:31ebaeb51e1e 1329 {
AzureIoTClient 11:31ebaeb51e1e 1330 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1331 transport_data->currPacketState = CONNACK_TYPE;
AzureIoTClient 12:658ca6865de2 1332 transport_data->isRecoverableError = true;
AzureIoTClient 20:594780be216d 1333 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTED;
AzureIoTClient 25:a35763780a87 1334
AzureIoTClient 25:a35763780a87 1335 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_008: [ Upon successful connection the retry control shall be reset using retry_control_reset() ]
AzureIoTClient 25:a35763780a87 1336 retry_control_reset(transport_data->retry_control_handle);
AzureIoTClient 25:a35763780a87 1337
AzureIoTClient 19:f87dfe76bc70 1338 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_AUTHENTICATED, IOTHUB_CLIENT_CONNECTION_OK);
AzureIoTClient 11:31ebaeb51e1e 1339 }
AzureIoTClient 11:31ebaeb51e1e 1340 else
AzureIoTClient 11:31ebaeb51e1e 1341 {
AzureIoTClient 35:c56b7cfcb90b 1342 if (connack->returnCode == CONN_REFUSED_SERVER_UNAVAIL)
AzureIoTClient 35:c56b7cfcb90b 1343 {
AzureIoTClient 35:c56b7cfcb90b 1344 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 35:c56b7cfcb90b 1345 }
AzureIoTClient 35:c56b7cfcb90b 1346 else if (connack->returnCode == CONN_REFUSED_BAD_USERNAME_PASSWORD || connack->returnCode == CONN_REFUSED_ID_REJECTED)
AzureIoTClient 12:658ca6865de2 1347 {
AzureIoTClient 12:658ca6865de2 1348 transport_data->isRecoverableError = false;
AzureIoTClient 19:f87dfe76bc70 1349 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 12:658ca6865de2 1350 }
AzureIoTClient 12:658ca6865de2 1351 else if (connack->returnCode == CONN_REFUSED_NOT_AUTHORIZED)
AzureIoTClient 12:658ca6865de2 1352 {
AzureIoTClient 19:f87dfe76bc70 1353 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 12:658ca6865de2 1354 }
AzureIoTClient 12:658ca6865de2 1355 else if (connack->returnCode == CONN_REFUSED_UNACCEPTABLE_VERSION)
AzureIoTClient 12:658ca6865de2 1356 {
AzureIoTClient 12:658ca6865de2 1357 transport_data->isRecoverableError = false;
AzureIoTClient 12:658ca6865de2 1358 }
AzureIoTClient 11:31ebaeb51e1e 1359 LogError("Connection Not Accepted: 0x%x: %s", connack->returnCode, retrieve_mqtt_return_codes(connack->returnCode) );
AzureIoTClient 33:b7dfb208ef0a 1360 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_PENDING_CLOSE;
AzureIoTClient 11:31ebaeb51e1e 1361 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 11:31ebaeb51e1e 1362 }
AzureIoTClient 11:31ebaeb51e1e 1363 }
AzureIoTClient 11:31ebaeb51e1e 1364 else
AzureIoTClient 11:31ebaeb51e1e 1365 {
AzureIoTClient 11:31ebaeb51e1e 1366 LogError("MQTT_CLIENT_ON_CONNACK CONNACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1367 }
AzureIoTClient 11:31ebaeb51e1e 1368 break;
AzureIoTClient 11:31ebaeb51e1e 1369 }
AzureIoTClient 11:31ebaeb51e1e 1370 case MQTT_CLIENT_ON_SUBSCRIBE_ACK:
AzureIoTClient 11:31ebaeb51e1e 1371 {
AzureIoTClient 11:31ebaeb51e1e 1372 const SUBSCRIBE_ACK* suback = (const SUBSCRIBE_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1373 if (suback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1374 {
AzureIoTClient 16:14640ee83e99 1375 size_t index = 0;
AzureIoTClient 16:14640ee83e99 1376 for (index = 0; index < suback->qosCount; index++)
AzureIoTClient 11:31ebaeb51e1e 1377 {
AzureIoTClient 11:31ebaeb51e1e 1378 if (suback->qosReturn[index] == DELIVER_FAILURE)
AzureIoTClient 11:31ebaeb51e1e 1379 {
AzureIoTClient 11:31ebaeb51e1e 1380 LogError("Subscribe delivery failure of subscribe %zu", index);
AzureIoTClient 11:31ebaeb51e1e 1381 }
AzureIoTClient 11:31ebaeb51e1e 1382 }
AzureIoTClient 11:31ebaeb51e1e 1383 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1384 transport_data->currPacketState = SUBACK_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1385 }
AzureIoTClient 11:31ebaeb51e1e 1386 else
AzureIoTClient 11:31ebaeb51e1e 1387 {
AzureIoTClient 11:31ebaeb51e1e 1388 LogError("Failure: MQTT_CLIENT_ON_SUBSCRIBE_ACK SUBSCRIBE_ACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1389 }
AzureIoTClient 11:31ebaeb51e1e 1390 break;
AzureIoTClient 11:31ebaeb51e1e 1391 }
AzureIoTClient 11:31ebaeb51e1e 1392 case MQTT_CLIENT_ON_PUBLISH_RECV:
AzureIoTClient 11:31ebaeb51e1e 1393 case MQTT_CLIENT_ON_PUBLISH_REL:
AzureIoTClient 11:31ebaeb51e1e 1394 {
AzureIoTClient 11:31ebaeb51e1e 1395 // Currently not used
AzureIoTClient 11:31ebaeb51e1e 1396 break;
AzureIoTClient 11:31ebaeb51e1e 1397 }
AzureIoTClient 11:31ebaeb51e1e 1398 case MQTT_CLIENT_ON_DISCONNECT:
AzureIoTClient 11:31ebaeb51e1e 1399 {
AzureIoTClient 11:31ebaeb51e1e 1400 // Close the client so we can reconnect again
AzureIoTClient 20:594780be216d 1401 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1402 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1403 break;
AzureIoTClient 11:31ebaeb51e1e 1404 }
AzureIoTClient 17:774695cb8554 1405 case MQTT_CLIENT_ON_UNSUBSCRIBE_ACK:
AzureIoTClient 26:0dae84ecce27 1406 case MQTT_CLIENT_ON_PING_RESPONSE:
AzureIoTClient 26:0dae84ecce27 1407 default:
AzureIoTClient 17:774695cb8554 1408 {
AzureIoTClient 17:774695cb8554 1409 break;
AzureIoTClient 26:0dae84ecce27 1410 }
AzureIoTClient 12:658ca6865de2 1411 }
AzureIoTClient 12:658ca6865de2 1412 }
AzureIoTClient 12:658ca6865de2 1413 }
AzureIoTClient 12:658ca6865de2 1414
AzureIoTClient 25:a35763780a87 1415 static void DisconnectFromClient(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 25:a35763780a87 1416 {
AzureIoTClient 33:b7dfb208ef0a 1417 if (!transport_data->isDestroyCalled)
AzureIoTClient 33:b7dfb208ef0a 1418 {
AzureIoTClient 33:b7dfb208ef0a 1419 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 33:b7dfb208ef0a 1420 set_saved_tls_options(transport_data, options);
AzureIoTClient 33:b7dfb208ef0a 1421 }
AzureIoTClient 28:0cd355c3294e 1422 (void)mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 25:a35763780a87 1423 xio_destroy(transport_data->xioTransport);
AzureIoTClient 25:a35763780a87 1424 transport_data->xioTransport = NULL;
AzureIoTClient 25:a35763780a87 1425
AzureIoTClient 25:a35763780a87 1426 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 25:a35763780a87 1427 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 25:a35763780a87 1428 }
AzureIoTClient 25:a35763780a87 1429
AzureIoTClient 12:658ca6865de2 1430 static void mqtt_error_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_ERROR error, void* callbackCtx)
AzureIoTClient 12:658ca6865de2 1431 {
AzureIoTClient 12:658ca6865de2 1432 (void)handle;
AzureIoTClient 12:658ca6865de2 1433 if (callbackCtx != NULL)
AzureIoTClient 12:658ca6865de2 1434 {
AzureIoTClient 12:658ca6865de2 1435 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 12:658ca6865de2 1436 switch (error)
AzureIoTClient 12:658ca6865de2 1437 {
AzureIoTClient 12:658ca6865de2 1438 case MQTT_CLIENT_CONNECTION_ERROR:
AzureIoTClient 11:31ebaeb51e1e 1439 {
AzureIoTClient 19:f87dfe76bc70 1440 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_NO_NETWORK);
AzureIoTClient 12:658ca6865de2 1441 break;
AzureIoTClient 12:658ca6865de2 1442 }
AzureIoTClient 20:594780be216d 1443 case MQTT_CLIENT_COMMUNICATION_ERROR:
AzureIoTClient 20:594780be216d 1444 {
AzureIoTClient 20:594780be216d 1445 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_COMMUNICATION_ERROR);
AzureIoTClient 20:594780be216d 1446 break;
AzureIoTClient 20:594780be216d 1447 }
AzureIoTClient 12:658ca6865de2 1448 case MQTT_CLIENT_NO_PING_RESPONSE:
AzureIoTClient 12:658ca6865de2 1449 {
AzureIoTClient 12:658ca6865de2 1450 LogError("Mqtt Ping Response was not encountered. Reconnecting device...");
AzureIoTClient 25:a35763780a87 1451 DisconnectFromClient(transport_data);
AzureIoTClient 12:658ca6865de2 1452 break;
AzureIoTClient 11:31ebaeb51e1e 1453 }
AzureIoTClient 17:774695cb8554 1454 case MQTT_CLIENT_PARSE_ERROR:
AzureIoTClient 17:774695cb8554 1455 case MQTT_CLIENT_MEMORY_ERROR:
AzureIoTClient 17:774695cb8554 1456 case MQTT_CLIENT_UNKNOWN_ERROR:
AzureIoTClient 17:774695cb8554 1457 {
AzureIoTClient 17:774695cb8554 1458 LogError("INTERNAL ERROR: unexpected error value received %s", ENUM_TO_STRING(MQTT_CLIENT_EVENT_ERROR, error));
AzureIoTClient 20:594780be216d 1459 break;
AzureIoTClient 17:774695cb8554 1460 }
AzureIoTClient 11:31ebaeb51e1e 1461 }
AzureIoTClient 33:b7dfb208ef0a 1462 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_PENDING_CLOSE)
AzureIoTClient 33:b7dfb208ef0a 1463 {
AzureIoTClient 33:b7dfb208ef0a 1464 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 33:b7dfb208ef0a 1465 }
AzureIoTClient 12:658ca6865de2 1466 transport_data->currPacketState = PACKET_TYPE_ERROR;
Azure.IoT.Build 13:606465879c57 1467 transport_data->device_twin_get_sent = false;
AzureIoTClient 12:658ca6865de2 1468 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 12:658ca6865de2 1469 {
Azure.IoT.Build 13:606465879c57 1470 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
Azure.IoT.Build 13:606465879c57 1471 }
Azure.IoT.Build 13:606465879c57 1472 if (transport_data->topic_GetState != NULL)
Azure.IoT.Build 13:606465879c57 1473 {
Azure.IoT.Build 13:606465879c57 1474 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1475 }
Azure.IoT.Build 13:606465879c57 1476 if (transport_data->topic_NotifyState != NULL)
Azure.IoT.Build 13:606465879c57 1477 {
Azure.IoT.Build 13:606465879c57 1478 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
Azure.IoT.Build 13:606465879c57 1479 }
Azure.IoT.Build 13:606465879c57 1480 if (transport_data->topic_DeviceMethods != NULL)
Azure.IoT.Build 13:606465879c57 1481 {
Azure.IoT.Build 13:606465879c57 1482 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
Azure.IoT.Build 13:606465879c57 1483 }
Azure.IoT.Build 13:606465879c57 1484 }
AzureIoTClient 12:658ca6865de2 1485 else
AzureIoTClient 12:658ca6865de2 1486 {
AzureIoTClient 12:658ca6865de2 1487 LogError("Failure: mqtt called back with null context.");
AzureIoTClient 11:31ebaeb51e1e 1488 }
AzureIoTClient 11:31ebaeb51e1e 1489 }
AzureIoTClient 11:31ebaeb51e1e 1490
AzureIoTClient 11:31ebaeb51e1e 1491 static void SubscribeToMqttProtocol(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1492 {
AzureIoTClient 11:31ebaeb51e1e 1493 if (transport_data->topics_ToSubscribe != UNSUBSCRIBE_FROM_TOPIC)
AzureIoTClient 11:31ebaeb51e1e 1494 {
AzureIoTClient 11:31ebaeb51e1e 1495 uint32_t topic_subscription = 0;
AzureIoTClient 11:31ebaeb51e1e 1496 size_t subscribe_count = 0;
AzureIoTClient 11:31ebaeb51e1e 1497 SUBSCRIBE_PAYLOAD subscribe[SUBSCRIBE_TOPIC_COUNT];
AzureIoTClient 11:31ebaeb51e1e 1498 if ((transport_data->topic_MqttMessage != NULL) && (SUBSCRIBE_TELEMETRY_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 11:31ebaeb51e1e 1499 {
AzureIoTClient 11:31ebaeb51e1e 1500 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 1501 subscribe[subscribe_count].qosReturn = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1502 topic_subscription |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1503 subscribe_count++;
AzureIoTClient 11:31ebaeb51e1e 1504 }
AzureIoTClient 12:658ca6865de2 1505 if ((transport_data->topic_GetState != NULL) && (SUBSCRIBE_GET_REPORTED_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1506 {
AzureIoTClient 12:658ca6865de2 1507 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 1508 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1509 topic_subscription |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1510 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1511 }
AzureIoTClient 12:658ca6865de2 1512 if ((transport_data->topic_NotifyState != NULL) && (SUBSCRIBE_NOTIFICATION_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1513 {
AzureIoTClient 12:658ca6865de2 1514 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 1515 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1516 topic_subscription |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1517 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1518 }
AzureIoTClient 12:658ca6865de2 1519 if ((transport_data->topic_DeviceMethods != NULL) && (SUBSCRIBE_DEVICE_METHOD_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1520 {
AzureIoTClient 12:658ca6865de2 1521 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 1522 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1523 topic_subscription |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1524 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1525 }
AzureIoTClient 11:31ebaeb51e1e 1526
AzureIoTClient 11:31ebaeb51e1e 1527 if (subscribe_count != 0)
AzureIoTClient 11:31ebaeb51e1e 1528 {
AzureIoTClient 12:658ca6865de2 1529 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransport_MQTT_Common_Subscribe shall call mqtt_client_subscribe to subscribe to the Message Topic.] */
AzureIoTClient 11:31ebaeb51e1e 1530 if (mqtt_client_subscribe(transport_data->mqttClient, get_next_packet_id(transport_data), subscribe, subscribe_count) != 0)
AzureIoTClient 11:31ebaeb51e1e 1531 {
AzureIoTClient 12:658ca6865de2 1532 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1533 LogError("Failure: mqtt_client_subscribe returned error.");
AzureIoTClient 11:31ebaeb51e1e 1534 }
AzureIoTClient 11:31ebaeb51e1e 1535 else
AzureIoTClient 11:31ebaeb51e1e 1536 {
AzureIoTClient 12:658ca6865de2 1537 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_018: [On success IoTHubTransport_MQTT_Common_Subscribe shall return 0.] */
AzureIoTClient 11:31ebaeb51e1e 1538 transport_data->topics_ToSubscribe &= ~topic_subscription;
AzureIoTClient 11:31ebaeb51e1e 1539 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1540 }
AzureIoTClient 11:31ebaeb51e1e 1541 }
AzureIoTClient 11:31ebaeb51e1e 1542 else
AzureIoTClient 11:31ebaeb51e1e 1543 {
AzureIoTClient 12:658ca6865de2 1544 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1545 LogError("Failure: subscribe_topic is empty.");
AzureIoTClient 11:31ebaeb51e1e 1546 }
AzureIoTClient 11:31ebaeb51e1e 1547 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1548 }
AzureIoTClient 11:31ebaeb51e1e 1549 else
AzureIoTClient 11:31ebaeb51e1e 1550 {
AzureIoTClient 11:31ebaeb51e1e 1551 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1552 }
AzureIoTClient 11:31ebaeb51e1e 1553 }
AzureIoTClient 11:31ebaeb51e1e 1554
AzureIoTClient 11:31ebaeb51e1e 1555 static const unsigned char* RetrieveMessagePayload(IOTHUB_MESSAGE_HANDLE messageHandle, size_t* length)
AzureIoTClient 11:31ebaeb51e1e 1556 {
AzureIoTClient 11:31ebaeb51e1e 1557 const unsigned char* result;
AzureIoTClient 11:31ebaeb51e1e 1558
AzureIoTClient 11:31ebaeb51e1e 1559 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1560 if (contentType == IOTHUBMESSAGE_BYTEARRAY)
AzureIoTClient 11:31ebaeb51e1e 1561 {
AzureIoTClient 11:31ebaeb51e1e 1562 if (IoTHubMessage_GetByteArray(messageHandle, &result, length) != IOTHUB_MESSAGE_OK)
AzureIoTClient 11:31ebaeb51e1e 1563 {
AzureIoTClient 11:31ebaeb51e1e 1564 LogError("Failure result from IoTHubMessage_GetByteArray");
AzureIoTClient 11:31ebaeb51e1e 1565 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1566 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1567 }
AzureIoTClient 11:31ebaeb51e1e 1568 }
AzureIoTClient 11:31ebaeb51e1e 1569 else if (contentType == IOTHUBMESSAGE_STRING)
AzureIoTClient 11:31ebaeb51e1e 1570 {
AzureIoTClient 11:31ebaeb51e1e 1571 result = (const unsigned char*)IoTHubMessage_GetString(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1572 if (result == NULL)
AzureIoTClient 11:31ebaeb51e1e 1573 {
AzureIoTClient 11:31ebaeb51e1e 1574 LogError("Failure result from IoTHubMessage_GetString");
AzureIoTClient 11:31ebaeb51e1e 1575 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1576 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1577 }
AzureIoTClient 11:31ebaeb51e1e 1578 else
AzureIoTClient 11:31ebaeb51e1e 1579 {
AzureIoTClient 11:31ebaeb51e1e 1580 *length = strlen((const char*)result);
AzureIoTClient 11:31ebaeb51e1e 1581 }
AzureIoTClient 11:31ebaeb51e1e 1582 }
AzureIoTClient 11:31ebaeb51e1e 1583 else
AzureIoTClient 11:31ebaeb51e1e 1584 {
AzureIoTClient 11:31ebaeb51e1e 1585 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1586 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1587 }
AzureIoTClient 11:31ebaeb51e1e 1588 return result;
AzureIoTClient 11:31ebaeb51e1e 1589 }
AzureIoTClient 11:31ebaeb51e1e 1590
AzureIoTClient 11:31ebaeb51e1e 1591 static int GetTransportProviderIfNecessary(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1592 {
AzureIoTClient 11:31ebaeb51e1e 1593 int result;
AzureIoTClient 11:31ebaeb51e1e 1594
AzureIoTClient 11:31ebaeb51e1e 1595 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1596 {
AzureIoTClient 11:31ebaeb51e1e 1597 // construct address
AzureIoTClient 11:31ebaeb51e1e 1598 const char* hostAddress = STRING_c_str(transport_data->hostAddress);
AzureIoTClient 20:594780be216d 1599 MQTT_TRANSPORT_PROXY_OPTIONS mqtt_proxy_options;
AzureIoTClient 20:594780be216d 1600
AzureIoTClient 20:594780be216d 1601 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_011: [ If no `proxy_data` option has been set, NULL shall be passed as the argument `mqtt_transport_proxy_options` when calling the function `get_io_transport` passed in `IoTHubTransport_MQTT_Common__Create`. ]*/
AzureIoTClient 20:594780be216d 1602 mqtt_proxy_options.host_address = transport_data->http_proxy_hostname;
AzureIoTClient 20:594780be216d 1603 mqtt_proxy_options.port = transport_data->http_proxy_port;
AzureIoTClient 20:594780be216d 1604 mqtt_proxy_options.username = transport_data->http_proxy_username;
AzureIoTClient 20:594780be216d 1605 mqtt_proxy_options.password = transport_data->http_proxy_password;
AzureIoTClient 20:594780be216d 1606
AzureIoTClient 20:594780be216d 1607 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_010: [ If the `proxy_data` option has been set, the proxy options shall be filled in the argument `mqtt_transport_proxy_options` when calling the function `get_io_transport` passed in `IoTHubTransport_MQTT_Common__Create` to obtain the underlying IO handle. ]*/
AzureIoTClient 20:594780be216d 1608 transport_data->xioTransport = transport_data->get_io_transport(hostAddress, (transport_data->http_proxy_hostname == NULL) ? NULL : &mqtt_proxy_options);
AzureIoTClient 11:31ebaeb51e1e 1609 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1610 {
AzureIoTClient 11:31ebaeb51e1e 1611 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 18:ec8e5e97c6a4 1612 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1613 }
AzureIoTClient 11:31ebaeb51e1e 1614 else
AzureIoTClient 11:31ebaeb51e1e 1615 {
AzureIoTClient 28:0cd355c3294e 1616 if (IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module) == IOTHUB_CREDENTIAL_TYPE_X509_ECC)
AzureIoTClient 28:0cd355c3294e 1617 {
AzureIoTClient 28:0cd355c3294e 1618 if (IoTHubClient_Auth_Set_xio_Certificate(transport_data->authorization_module, transport_data->xioTransport) != 0)
AzureIoTClient 28:0cd355c3294e 1619 {
AzureIoTClient 28:0cd355c3294e 1620 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 28:0cd355c3294e 1621 result = __FAILURE__;
AzureIoTClient 28:0cd355c3294e 1622 }
AzureIoTClient 28:0cd355c3294e 1623 else
AzureIoTClient 28:0cd355c3294e 1624 {
AzureIoTClient 28:0cd355c3294e 1625 result = 0;
AzureIoTClient 28:0cd355c3294e 1626 }
AzureIoTClient 28:0cd355c3294e 1627 }
AzureIoTClient 28:0cd355c3294e 1628 else
AzureIoTClient 28:0cd355c3294e 1629 {
AzureIoTClient 28:0cd355c3294e 1630 result = 0;
AzureIoTClient 28:0cd355c3294e 1631 }
AzureIoTClient 28:0cd355c3294e 1632
AzureIoTClient 28:0cd355c3294e 1633 if (result == 0)
AzureIoTClient 28:0cd355c3294e 1634 {
AzureIoTClient 28:0cd355c3294e 1635 if (transport_data->saved_tls_options != NULL)
AzureIoTClient 28:0cd355c3294e 1636 {
AzureIoTClient 28:0cd355c3294e 1637 if (OptionHandler_FeedOptions(transport_data->saved_tls_options, transport_data->xioTransport) != OPTIONHANDLER_OK)
AzureIoTClient 28:0cd355c3294e 1638 {
AzureIoTClient 28:0cd355c3294e 1639 LogError("Failed feeding existing options to new TLS instance.");
AzureIoTClient 28:0cd355c3294e 1640 result = __FAILURE__;
AzureIoTClient 28:0cd355c3294e 1641 }
AzureIoTClient 28:0cd355c3294e 1642 else
AzureIoTClient 28:0cd355c3294e 1643 {
AzureIoTClient 28:0cd355c3294e 1644 // The tlsio has the options, so our copy can be deleted
AzureIoTClient 28:0cd355c3294e 1645 set_saved_tls_options(transport_data, NULL);
AzureIoTClient 28:0cd355c3294e 1646 result = 0;
AzureIoTClient 28:0cd355c3294e 1647 }
AzureIoTClient 28:0cd355c3294e 1648 }
AzureIoTClient 28:0cd355c3294e 1649 else
AzureIoTClient 28:0cd355c3294e 1650 {
AzureIoTClient 28:0cd355c3294e 1651 result = 0;
AzureIoTClient 28:0cd355c3294e 1652 }
AzureIoTClient 28:0cd355c3294e 1653 }
AzureIoTClient 11:31ebaeb51e1e 1654 }
AzureIoTClient 11:31ebaeb51e1e 1655 }
AzureIoTClient 11:31ebaeb51e1e 1656 else
AzureIoTClient 11:31ebaeb51e1e 1657 {
AzureIoTClient 11:31ebaeb51e1e 1658 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1659 }
AzureIoTClient 11:31ebaeb51e1e 1660 return result;
AzureIoTClient 11:31ebaeb51e1e 1661 }
AzureIoTClient 11:31ebaeb51e1e 1662
AzureIoTClient 28:0cd355c3294e 1663 static int is_key_validate(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 28:0cd355c3294e 1664 {
AzureIoTClient 28:0cd355c3294e 1665 int result;
AzureIoTClient 28:0cd355c3294e 1666 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(config->auth_module_handle);
AzureIoTClient 28:0cd355c3294e 1667 if (cred_type == IOTHUB_CREDENTIAL_TYPE_X509 || cred_type == IOTHUB_CREDENTIAL_TYPE_X509_ECC)
AzureIoTClient 28:0cd355c3294e 1668 {
AzureIoTClient 28:0cd355c3294e 1669 result = 0;
AzureIoTClient 28:0cd355c3294e 1670 }
AzureIoTClient 28:0cd355c3294e 1671 else
AzureIoTClient 28:0cd355c3294e 1672 {
AzureIoTClient 28:0cd355c3294e 1673 if (config->upperConfig->deviceKey == NULL && config->upperConfig->deviceSasToken == NULL)
AzureIoTClient 28:0cd355c3294e 1674 {
AzureIoTClient 28:0cd355c3294e 1675 if (IoTHubClient_Auth_Get_DeviceKey(config->auth_module_handle) == NULL)
AzureIoTClient 28:0cd355c3294e 1676 {
AzureIoTClient 28:0cd355c3294e 1677 result = __FAILURE__;
AzureIoTClient 28:0cd355c3294e 1678 }
AzureIoTClient 28:0cd355c3294e 1679 else
AzureIoTClient 28:0cd355c3294e 1680 {
AzureIoTClient 28:0cd355c3294e 1681 result = 0;
AzureIoTClient 28:0cd355c3294e 1682 }
AzureIoTClient 28:0cd355c3294e 1683 }
AzureIoTClient 28:0cd355c3294e 1684 else
AzureIoTClient 28:0cd355c3294e 1685 {
AzureIoTClient 28:0cd355c3294e 1686 result = 0;
AzureIoTClient 28:0cd355c3294e 1687 }
AzureIoTClient 28:0cd355c3294e 1688 }
AzureIoTClient 28:0cd355c3294e 1689 return result;
AzureIoTClient 28:0cd355c3294e 1690 }
AzureIoTClient 28:0cd355c3294e 1691
AzureIoTClient 11:31ebaeb51e1e 1692 static int SendMqttConnectMsg(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1693 {
AzureIoTClient 11:31ebaeb51e1e 1694 int result;
AzureIoTClient 11:31ebaeb51e1e 1695
AzureIoTClient 21:167f8fcf6fb1 1696 char* sasToken = NULL;
AzureIoTClient 21:167f8fcf6fb1 1697 result = 0;
AzureIoTClient 21:167f8fcf6fb1 1698
AzureIoTClient 21:167f8fcf6fb1 1699 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module);
AzureIoTClient 28:0cd355c3294e 1700 if (cred_type == IOTHUB_CREDENTIAL_TYPE_DEVICE_KEY || cred_type == IOTHUB_CREDENTIAL_TYPE_DEVICE_AUTH)
AzureIoTClient 11:31ebaeb51e1e 1701 {
AzureIoTClient 29:923be0c3998a 1702 sasToken = IoTHubClient_Auth_Get_SasToken(transport_data->authorization_module, STRING_c_str(transport_data->devicesPath), transport_data->option_sas_token_lifetime_secs);
AzureIoTClient 21:167f8fcf6fb1 1703 if (sasToken == NULL)
AzureIoTClient 21:167f8fcf6fb1 1704 {
AzureIoTClient 28:0cd355c3294e 1705 LogError("failure getting sas token from IoTHubClient_Auth_Get_SasToken.");
AzureIoTClient 21:167f8fcf6fb1 1706 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1707 }
AzureIoTClient 11:31ebaeb51e1e 1708 }
AzureIoTClient 21:167f8fcf6fb1 1709 else if (cred_type == IOTHUB_CREDENTIAL_TYPE_SAS_TOKEN)
AzureIoTClient 11:31ebaeb51e1e 1710 {
AzureIoTClient 21:167f8fcf6fb1 1711 SAS_TOKEN_STATUS token_status = IoTHubClient_Auth_Is_SasToken_Valid(transport_data->authorization_module);
AzureIoTClient 21:167f8fcf6fb1 1712 if (token_status == SAS_TOKEN_STATUS_INVALID)
AzureIoTClient 21:167f8fcf6fb1 1713 {
AzureIoTClient 21:167f8fcf6fb1 1714 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 21:167f8fcf6fb1 1715 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1716 }
AzureIoTClient 21:167f8fcf6fb1 1717 else if (token_status == SAS_TOKEN_STATUS_FAILED)
AzureIoTClient 11:31ebaeb51e1e 1718 {
AzureIoTClient 21:167f8fcf6fb1 1719 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 21:167f8fcf6fb1 1720 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1721 }
AzureIoTClient 21:167f8fcf6fb1 1722 else
AzureIoTClient 21:167f8fcf6fb1 1723 {
AzureIoTClient 21:167f8fcf6fb1 1724 sasToken = IoTHubClient_Auth_Get_SasToken(transport_data->authorization_module, NULL, 0);
AzureIoTClient 21:167f8fcf6fb1 1725 if (sasToken == NULL)
AzureIoTClient 11:31ebaeb51e1e 1726 {
AzureIoTClient 21:167f8fcf6fb1 1727 LogError("failure getting sas Token.");
AzureIoTClient 18:ec8e5e97c6a4 1728 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1729 }
AzureIoTClient 21:167f8fcf6fb1 1730 }
AzureIoTClient 21:167f8fcf6fb1 1731 }
AzureIoTClient 11:31ebaeb51e1e 1732
AzureIoTClient 21:167f8fcf6fb1 1733 if (result == 0)
AzureIoTClient 21:167f8fcf6fb1 1734 {
AzureIoTClient 24:4096249decf1 1735 if (!transport_data->isProductInfoSet)
AzureIoTClient 22:07fec4d325b6 1736 {
AzureIoTClient 24:4096249decf1 1737 // This requires the iothubClientHandle, which sadly the MQTT transport only gets on DoWork, so this code still needs to remain here.
AzureIoTClient 24:4096249decf1 1738 // The correct place for this would be in the Create method, but we don't get the client handle there.
AzureIoTClient 24:4096249decf1 1739 // Also, when device multiplexing is used, the customer creates the transport directly and explicitly, when the client is still not created.
AzureIoTClient 24:4096249decf1 1740 // This will be a major hurdle when we add device multiplexing to MQTT transport.
AzureIoTClient 24:4096249decf1 1741
AzureIoTClient 24:4096249decf1 1742 void* product_info;
AzureIoTClient 24:4096249decf1 1743 STRING_HANDLE clone;
AzureIoTClient 24:4096249decf1 1744 if ((IoTHubClient_LL_GetOption(transport_data->llClientHandle, OPTION_PRODUCT_INFO, &product_info) == IOTHUB_CLIENT_ERROR) || (product_info == NULL))
AzureIoTClient 24:4096249decf1 1745 {
AzureIoTClient 24:4096249decf1 1746 clone = STRING_construct_sprintf("%s%%2F%s", CLIENT_DEVICE_TYPE_PREFIX, IOTHUB_SDK_VERSION);
AzureIoTClient 24:4096249decf1 1747 }
AzureIoTClient 24:4096249decf1 1748 else
AzureIoTClient 24:4096249decf1 1749 {
AzureIoTClient 24:4096249decf1 1750 clone = URL_Encode(product_info);
AzureIoTClient 24:4096249decf1 1751 }
AzureIoTClient 24:4096249decf1 1752
AzureIoTClient 24:4096249decf1 1753 if (clone == NULL)
AzureIoTClient 24:4096249decf1 1754 {
AzureIoTClient 24:4096249decf1 1755 LogError("Failed obtaining the product info");
AzureIoTClient 24:4096249decf1 1756 }
AzureIoTClient 24:4096249decf1 1757 else
AzureIoTClient 24:4096249decf1 1758 {
AzureIoTClient 24:4096249decf1 1759 if (STRING_concat_with_STRING(transport_data->configPassedThroughUsername, clone) != 0)
AzureIoTClient 24:4096249decf1 1760 {
AzureIoTClient 24:4096249decf1 1761 LogError("Failed concatenating the product info");
AzureIoTClient 24:4096249decf1 1762 }
AzureIoTClient 24:4096249decf1 1763 else
AzureIoTClient 24:4096249decf1 1764 {
AzureIoTClient 24:4096249decf1 1765 transport_data->isProductInfoSet = true;
AzureIoTClient 24:4096249decf1 1766 }
AzureIoTClient 24:4096249decf1 1767
AzureIoTClient 24:4096249decf1 1768 STRING_delete(clone);
AzureIoTClient 24:4096249decf1 1769 }
AzureIoTClient 22:07fec4d325b6 1770 }
AzureIoTClient 22:07fec4d325b6 1771
AzureIoTClient 21:167f8fcf6fb1 1772 MQTT_CLIENT_OPTIONS options = { 0 };
AzureIoTClient 21:167f8fcf6fb1 1773 options.clientId = (char*)STRING_c_str(transport_data->device_id);
AzureIoTClient 21:167f8fcf6fb1 1774 options.willMessage = NULL;
AzureIoTClient 21:167f8fcf6fb1 1775 options.username = (char*)STRING_c_str(transport_data->configPassedThroughUsername);
AzureIoTClient 21:167f8fcf6fb1 1776 if (sasToken != NULL)
AzureIoTClient 11:31ebaeb51e1e 1777 {
AzureIoTClient 21:167f8fcf6fb1 1778 options.password = sasToken;
AzureIoTClient 21:167f8fcf6fb1 1779 }
AzureIoTClient 21:167f8fcf6fb1 1780 options.keepAliveInterval = transport_data->keepAliveValue;
AzureIoTClient 21:167f8fcf6fb1 1781 options.useCleanSession = false;
AzureIoTClient 21:167f8fcf6fb1 1782 options.qualityOfServiceValue = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1783
AzureIoTClient 21:167f8fcf6fb1 1784 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 21:167f8fcf6fb1 1785 {
AzureIoTClient 21:167f8fcf6fb1 1786 if (mqtt_client_connect(transport_data->mqttClient, transport_data->xioTransport, &options) != 0)
AzureIoTClient 11:31ebaeb51e1e 1787 {
AzureIoTClient 24:4096249decf1 1788 LogError("failure connecting to address %s.", STRING_c_str(transport_data->hostAddress));
AzureIoTClient 21:167f8fcf6fb1 1789 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1790 }
AzureIoTClient 11:31ebaeb51e1e 1791 else
AzureIoTClient 11:31ebaeb51e1e 1792 {
AzureIoTClient 21:167f8fcf6fb1 1793 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->mqtt_connect_time);
AzureIoTClient 21:167f8fcf6fb1 1794 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1795 }
AzureIoTClient 21:167f8fcf6fb1 1796 }
AzureIoTClient 21:167f8fcf6fb1 1797 else
AzureIoTClient 21:167f8fcf6fb1 1798 {
AzureIoTClient 21:167f8fcf6fb1 1799 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1800 }
AzureIoTClient 12:658ca6865de2 1801
AzureIoTClient 21:167f8fcf6fb1 1802 if (sasToken != NULL)
AzureIoTClient 21:167f8fcf6fb1 1803 {
AzureIoTClient 21:167f8fcf6fb1 1804 free(sasToken);
AzureIoTClient 11:31ebaeb51e1e 1805 }
AzureIoTClient 11:31ebaeb51e1e 1806 }
AzureIoTClient 11:31ebaeb51e1e 1807 return result;
AzureIoTClient 11:31ebaeb51e1e 1808 }
AzureIoTClient 11:31ebaeb51e1e 1809
AzureIoTClient 11:31ebaeb51e1e 1810 static int InitializeConnection(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1811 {
AzureIoTClient 11:31ebaeb51e1e 1812 int result = 0;
AzureIoTClient 11:31ebaeb51e1e 1813
AzureIoTClient 11:31ebaeb51e1e 1814 // Make sure we're not destroying the object
AzureIoTClient 11:31ebaeb51e1e 1815 if (!transport_data->isDestroyCalled)
AzureIoTClient 11:31ebaeb51e1e 1816 {
AzureIoTClient 25:a35763780a87 1817 RETRY_ACTION retry_action = RETRY_ACTION_RETRY_LATER;
AzureIoTClient 25:a35763780a87 1818
AzureIoTClient 25:a35763780a87 1819 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_007: [ IoTHubTransport_MQTT_Common_DoWork shall try to reconnect according to the current retry policy set ]
AzureIoTClient 25:a35763780a87 1820 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_NOT_CONNECTED && transport_data->isRecoverableError &&
AzureIoTClient 25:a35763780a87 1821 (retry_control_should_retry(transport_data->retry_control_handle, &retry_action) != 0 || retry_action == RETRY_ACTION_RETRY_NOW))
AzureIoTClient 11:31ebaeb51e1e 1822 {
AzureIoTClient 25:a35763780a87 1823 // Note: in case retry_control_should_retry fails, the reconnection shall be attempted anyway (defaulting to policy IOTHUB_CLIENT_RETRY_IMMEDIATE).
AzureIoTClient 25:a35763780a87 1824
Azure.IoT.Build 13:606465879c57 1825 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->connectTick) != 0)
AzureIoTClient 11:31ebaeb51e1e 1826 {
AzureIoTClient 12:658ca6865de2 1827 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1828 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1829 }
AzureIoTClient 12:658ca6865de2 1830 else
AzureIoTClient 11:31ebaeb51e1e 1831 {
AzureIoTClient 12:658ca6865de2 1832 if (SendMqttConnectMsg(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 1833 {
AzureIoTClient 11:31ebaeb51e1e 1834 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1835 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1836 }
AzureIoTClient 11:31ebaeb51e1e 1837 else
AzureIoTClient 11:31ebaeb51e1e 1838 {
AzureIoTClient 20:594780be216d 1839 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTING;
AzureIoTClient 12:658ca6865de2 1840 transport_data->connectFailCount = 0;
AzureIoTClient 12:658ca6865de2 1841 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1842 }
AzureIoTClient 11:31ebaeb51e1e 1843 }
AzureIoTClient 11:31ebaeb51e1e 1844 }
AzureIoTClient 21:167f8fcf6fb1 1845 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_001: [ IoTHubTransport_MQTT_Common_DoWork shall trigger reconnection if the mqtt_client_connect does not complete within `keepalive` seconds]
AzureIoTClient 20:594780be216d 1846 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTING)
AzureIoTClient 11:31ebaeb51e1e 1847 {
AzureIoTClient 20:594780be216d 1848 tickcounter_ms_t current_time;
AzureIoTClient 20:594780be216d 1849 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 20:594780be216d 1850 {
AzureIoTClient 20:594780be216d 1851 LogError("failed verifying MQTT_CLIENT_STATUS_CONNECTING timeout");
AzureIoTClient 20:594780be216d 1852 result = __FAILURE__;
AzureIoTClient 20:594780be216d 1853 }
AzureIoTClient 32:103a46ed8822 1854 else if ((current_time - transport_data->mqtt_connect_time) / 1000 > transport_data->connect_timeout_in_sec)
AzureIoTClient 20:594780be216d 1855 {
AzureIoTClient 20:594780be216d 1856 LogError("mqtt_client timed out waiting for CONNACK");
AzureIoTClient 20:594780be216d 1857 DisconnectFromClient(transport_data);
AzureIoTClient 20:594780be216d 1858 result = 0;
AzureIoTClient 20:594780be216d 1859 }
AzureIoTClient 20:594780be216d 1860 }
AzureIoTClient 20:594780be216d 1861 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTED)
AzureIoTClient 20:594780be216d 1862 {
AzureIoTClient 20:594780be216d 1863 // We are connected and not being closed, so does SAS need to reconnect?
Azure.IoT.Build 13:606465879c57 1864 tickcounter_ms_t current_time;
Azure.IoT.Build 13:606465879c57 1865 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 11:31ebaeb51e1e 1866 {
AzureIoTClient 11:31ebaeb51e1e 1867 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1868 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1869 }
AzureIoTClient 11:31ebaeb51e1e 1870 else
AzureIoTClient 11:31ebaeb51e1e 1871 {
AzureIoTClient 29:923be0c3998a 1872 if ((current_time - transport_data->mqtt_connect_time) / 1000 > (transport_data->option_sas_token_lifetime_secs*SAS_REFRESH_MULTIPLIER))
AzureIoTClient 11:31ebaeb51e1e 1873 {
AzureIoTClient 27:04de3c0bf1db 1874 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_058: [ If the sas token has timed out IoTHubTransport_MQTT_Common_DoWork shall disconnect from the mqtt client and destroy the transport information and wait for reconnect. ] */
AzureIoTClient 28:0cd355c3294e 1875 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 28:0cd355c3294e 1876 set_saved_tls_options(transport_data, options);
AzureIoTClient 28:0cd355c3294e 1877 (void)mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 27:04de3c0bf1db 1878 xio_destroy(transport_data->xioTransport);
AzureIoTClient 27:04de3c0bf1db 1879 transport_data->xioTransport = NULL;
AzureIoTClient 27:04de3c0bf1db 1880
AzureIoTClient 19:f87dfe76bc70 1881 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 20:594780be216d 1882 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1883 transport_data->currPacketState = UNKNOWN_TYPE;
AzureIoTClient 12:658ca6865de2 1884 transport_data->device_twin_get_sent = false;
AzureIoTClient 11:31ebaeb51e1e 1885 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 11:31ebaeb51e1e 1886 {
AzureIoTClient 11:31ebaeb51e1e 1887 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1888 }
AzureIoTClient 12:658ca6865de2 1889 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 1890 {
AzureIoTClient 12:658ca6865de2 1891 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1892 }
AzureIoTClient 12:658ca6865de2 1893 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 1894 {
AzureIoTClient 12:658ca6865de2 1895 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1896 }
AzureIoTClient 12:658ca6865de2 1897 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 1898 {
AzureIoTClient 12:658ca6865de2 1899 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1900 }
AzureIoTClient 11:31ebaeb51e1e 1901 }
AzureIoTClient 11:31ebaeb51e1e 1902 }
AzureIoTClient 11:31ebaeb51e1e 1903 }
AzureIoTClient 11:31ebaeb51e1e 1904 }
AzureIoTClient 11:31ebaeb51e1e 1905 return result;
AzureIoTClient 11:31ebaeb51e1e 1906 }
AzureIoTClient 11:31ebaeb51e1e 1907
AzureIoTClient 11:31ebaeb51e1e 1908 static STRING_HANDLE buildConfigForUsername(const IOTHUB_CLIENT_CONFIG* upperConfig)
AzureIoTClient 11:31ebaeb51e1e 1909 {
AzureIoTClient 22:07fec4d325b6 1910 return STRING_construct_sprintf("%s.%s/%s/api-version=%s&DeviceClientType=", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId, IOTHUB_API_VERSION);
AzureIoTClient 11:31ebaeb51e1e 1911 }
AzureIoTClient 11:31ebaeb51e1e 1912
AzureIoTClient 21:167f8fcf6fb1 1913 static PMQTTTRANSPORT_HANDLE_DATA InitializeTransportHandleData(const IOTHUB_CLIENT_CONFIG* upperConfig, PDLIST_ENTRY waitingToSend, IOTHUB_AUTHORIZATION_HANDLE auth_module)
AzureIoTClient 11:31ebaeb51e1e 1914 {
AzureIoTClient 11:31ebaeb51e1e 1915 PMQTTTRANSPORT_HANDLE_DATA state = (PMQTTTRANSPORT_HANDLE_DATA)malloc(sizeof(MQTTTRANSPORT_HANDLE_DATA));
AzureIoTClient 11:31ebaeb51e1e 1916 if (state == NULL)
AzureIoTClient 11:31ebaeb51e1e 1917 {
AzureIoTClient 11:31ebaeb51e1e 1918 LogError("Could not create MQTT transport state. Memory allocation failed.");
AzureIoTClient 11:31ebaeb51e1e 1919 }
AzureIoTClient 11:31ebaeb51e1e 1920 else
AzureIoTClient 11:31ebaeb51e1e 1921 {
AzureIoTClient 21:167f8fcf6fb1 1922 memset(state, 0, sizeof(MQTTTRANSPORT_HANDLE_DATA) );
AzureIoTClient 21:167f8fcf6fb1 1923 if ((state->msgTickCounter = tickcounter_create()) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1924 {
AzureIoTClient 21:167f8fcf6fb1 1925 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 31:d6198e67d1eb 1926 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 1927 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 1928 }
AzureIoTClient 25:a35763780a87 1929 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_005: [ MQTT transport shall use EXPONENTIAL_WITH_BACK_OFF as default retry policy ]
AzureIoTClient 25:a35763780a87 1930 else if ((state->retry_control_handle = retry_control_create(DEFAULT_RETRY_POLICY, DEFAULT_RETRY_TIMEOUT_IN_SECONDS)) == NULL)
AzureIoTClient 25:a35763780a87 1931 {
AzureIoTClient 25:a35763780a87 1932 LogError("Failed creating default retry control");
AzureIoTClient 31:d6198e67d1eb 1933 free_transport_handle_data(state);
AzureIoTClient 25:a35763780a87 1934 state = NULL;
AzureIoTClient 25:a35763780a87 1935 }
AzureIoTClient 21:167f8fcf6fb1 1936 else if ((state->device_id = STRING_construct(upperConfig->deviceId)) == NULL)
AzureIoTClient 21:167f8fcf6fb1 1937 {
AzureIoTClient 21:167f8fcf6fb1 1938 LogError("failure constructing device_id.");
AzureIoTClient 31:d6198e67d1eb 1939 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1940 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1941 }
AzureIoTClient 21:167f8fcf6fb1 1942 else if ((state->devicesPath = STRING_construct_sprintf("%s.%s/devices/%s", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1943 {
AzureIoTClient 31:d6198e67d1eb 1944 LogError("failure constructing devicesPath.");
AzureIoTClient 31:d6198e67d1eb 1945 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1946 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1947 }
AzureIoTClient 11:31ebaeb51e1e 1948 else
AzureIoTClient 11:31ebaeb51e1e 1949 {
AzureIoTClient 21:167f8fcf6fb1 1950 if ( (state->topic_MqttEvent = STRING_construct_sprintf(TOPIC_DEVICE_DEVICE, upperConfig->deviceId) ) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1951 {
AzureIoTClient 21:167f8fcf6fb1 1952 LogError("Could not create topic_MqttEvent for MQTT");
AzureIoTClient 31:d6198e67d1eb 1953 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1954 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1955 }
AzureIoTClient 11:31ebaeb51e1e 1956 else
AzureIoTClient 11:31ebaeb51e1e 1957 {
AzureIoTClient 21:167f8fcf6fb1 1958 state->mqttClient = mqtt_client_init(mqtt_notification_callback, mqtt_operation_complete_callback, state, mqtt_error_callback, state);
AzureIoTClient 21:167f8fcf6fb1 1959 if (state->mqttClient == NULL)
AzureIoTClient 11:31ebaeb51e1e 1960 {
AzureIoTClient 21:167f8fcf6fb1 1961 LogError("failure initializing mqtt client.");
AzureIoTClient 31:d6198e67d1eb 1962 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1963 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1964 }
AzureIoTClient 11:31ebaeb51e1e 1965 else
AzureIoTClient 11:31ebaeb51e1e 1966 {
AzureIoTClient 21:167f8fcf6fb1 1967 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_008: [If the upperConfig contains a valid protocolGatewayHostName value the this shall be used for the hostname, otherwise the hostname shall be constructed using the iothubname and iothubSuffix.] */
AzureIoTClient 21:167f8fcf6fb1 1968 if (upperConfig->protocolGatewayHostName == NULL)
AzureIoTClient 21:167f8fcf6fb1 1969 {
AzureIoTClient 21:167f8fcf6fb1 1970 state->hostAddress = STRING_construct_sprintf("%s.%s", upperConfig->iotHubName, upperConfig->iotHubSuffix);
AzureIoTClient 21:167f8fcf6fb1 1971 }
AzureIoTClient 21:167f8fcf6fb1 1972 else
AzureIoTClient 21:167f8fcf6fb1 1973 {
AzureIoTClient 21:167f8fcf6fb1 1974 state->hostAddress = STRING_construct(upperConfig->protocolGatewayHostName);
AzureIoTClient 21:167f8fcf6fb1 1975 }
AzureIoTClient 21:167f8fcf6fb1 1976
AzureIoTClient 21:167f8fcf6fb1 1977 if (state->hostAddress == NULL)
AzureIoTClient 21:167f8fcf6fb1 1978 {
AzureIoTClient 21:167f8fcf6fb1 1979 LogError("failure constructing host address.");
AzureIoTClient 31:d6198e67d1eb 1980 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 1981 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 1982 }
AzureIoTClient 21:167f8fcf6fb1 1983 else if ((state->configPassedThroughUsername = buildConfigForUsername(upperConfig)) == NULL)
AzureIoTClient 21:167f8fcf6fb1 1984 {
AzureIoTClient 31:d6198e67d1eb 1985 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 1986 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 1987 }
AzureIoTClient 21:167f8fcf6fb1 1988 else
AzureIoTClient 21:167f8fcf6fb1 1989 {
AzureIoTClient 21:167f8fcf6fb1 1990 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_010: [IoTHubTransport_MQTT_Common_Create shall allocate memory to save its internal state where all topics, hostname, device_id, device_key, sasTokenSr and client handle shall be saved.] */
AzureIoTClient 21:167f8fcf6fb1 1991 DList_InitializeListHead(&(state->telemetry_waitingForAck));
AzureIoTClient 21:167f8fcf6fb1 1992 DList_InitializeListHead(&(state->ack_waiting_queue));
AzureIoTClient 21:167f8fcf6fb1 1993 state->isDestroyCalled = false;
AzureIoTClient 21:167f8fcf6fb1 1994 state->isRegistered = false;
AzureIoTClient 21:167f8fcf6fb1 1995 state->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 21:167f8fcf6fb1 1996 state->device_twin_get_sent = false;
AzureIoTClient 21:167f8fcf6fb1 1997 state->isRecoverableError = true;
AzureIoTClient 21:167f8fcf6fb1 1998 state->packetId = 1;
AzureIoTClient 21:167f8fcf6fb1 1999 state->llClientHandle = NULL;
AzureIoTClient 21:167f8fcf6fb1 2000 state->xioTransport = NULL;
AzureIoTClient 21:167f8fcf6fb1 2001 state->portNum = 0;
AzureIoTClient 21:167f8fcf6fb1 2002 state->waitingToSend = waitingToSend;
AzureIoTClient 21:167f8fcf6fb1 2003 state->currPacketState = CONNECT_TYPE;
AzureIoTClient 21:167f8fcf6fb1 2004 state->keepAliveValue = DEFAULT_MQTT_KEEPALIVE;
AzureIoTClient 32:103a46ed8822 2005 state->connect_timeout_in_sec = DEFAULT_CONNACK_TIMEOUT;
AzureIoTClient 21:167f8fcf6fb1 2006 state->connectFailCount = 0;
AzureIoTClient 21:167f8fcf6fb1 2007 state->connectTick = 0;
AzureIoTClient 21:167f8fcf6fb1 2008 state->topic_MqttMessage = NULL;
AzureIoTClient 21:167f8fcf6fb1 2009 state->topic_GetState = NULL;
AzureIoTClient 21:167f8fcf6fb1 2010 state->topic_NotifyState = NULL;
AzureIoTClient 21:167f8fcf6fb1 2011 state->topics_ToSubscribe = UNSUBSCRIBE_FROM_TOPIC;
AzureIoTClient 21:167f8fcf6fb1 2012 state->topic_DeviceMethods = NULL;
AzureIoTClient 21:167f8fcf6fb1 2013 state->log_trace = state->raw_trace = false;
AzureIoTClient 21:167f8fcf6fb1 2014 srand((unsigned int)get_time(NULL));
AzureIoTClient 21:167f8fcf6fb1 2015 state->authorization_module = auth_module;
AzureIoTClient 24:4096249decf1 2016 state->isProductInfoSet = false;
AzureIoTClient 29:923be0c3998a 2017 state->option_sas_token_lifetime_secs = SAS_TOKEN_DEFAULT_LIFETIME;
AzureIoTClient 21:167f8fcf6fb1 2018 }
AzureIoTClient 11:31ebaeb51e1e 2019 }
AzureIoTClient 11:31ebaeb51e1e 2020 }
AzureIoTClient 11:31ebaeb51e1e 2021 }
AzureIoTClient 11:31ebaeb51e1e 2022 }
AzureIoTClient 11:31ebaeb51e1e 2023 return state;
AzureIoTClient 11:31ebaeb51e1e 2024 }
AzureIoTClient 11:31ebaeb51e1e 2025
AzureIoTClient 11:31ebaeb51e1e 2026 TRANSPORT_LL_HANDLE IoTHubTransport_MQTT_Common_Create(const IOTHUBTRANSPORT_CONFIG* config, MQTT_GET_IO_TRANSPORT get_io_transport)
AzureIoTClient 11:31ebaeb51e1e 2027 {
AzureIoTClient 11:31ebaeb51e1e 2028 PMQTTTRANSPORT_HANDLE_DATA result;
AzureIoTClient 11:31ebaeb51e1e 2029 size_t deviceIdSize;
AzureIoTClient 11:31ebaeb51e1e 2030
AzureIoTClient 12:658ca6865de2 2031 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [If parameter config is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2032 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_041: [ if get_io_transport is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL. ] */
AzureIoTClient 11:31ebaeb51e1e 2033 if (config == NULL || get_io_transport == NULL)
AzureIoTClient 11:31ebaeb51e1e 2034 {
AzureIoTClient 11:31ebaeb51e1e 2035 LogError("Invalid Argument: Config Parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2036 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2037 }
AzureIoTClient 28:0cd355c3294e 2038 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig, auth_module_handle or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 28:0cd355c3294e 2039 else if (config->auth_module_handle == NULL)
AzureIoTClient 28:0cd355c3294e 2040 {
AzureIoTClient 28:0cd355c3294e 2041 LogError("Invalid Argument: auth_module_handle is NULL)");
AzureIoTClient 28:0cd355c3294e 2042 result = NULL;
AzureIoTClient 28:0cd355c3294e 2043 }
AzureIoTClient 12:658ca6865de2 2044 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2045 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2046 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_003: [If both deviceKey & deviceSasToken fields are NOT NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2047 else if (config->upperConfig == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2048 config->upperConfig->protocol == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2049 config->upperConfig->deviceId == NULL ||
AzureIoTClient 28:0cd355c3294e 2050 ((config->upperConfig->deviceKey != NULL) && (config->upperConfig->deviceSasToken != NULL)) ||
AzureIoTClient 28:0cd355c3294e 2051 //is_key_validate(config) != 0 ||
AzureIoTClient 28:0cd355c3294e 2052 config->upperConfig->iotHubName == NULL ||
AzureIoTClient 28:0cd355c3294e 2053 config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient 11:31ebaeb51e1e 2054 {
AzureIoTClient 11:31ebaeb51e1e 2055 LogError("Invalid Argument: upperConfig structure contains an invalid parameter");
AzureIoTClient 11:31ebaeb51e1e 2056 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2057 }
AzureIoTClient 21:167f8fcf6fb1 2058 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig, auth_module_handle or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2059 else if (config->waitingToSend == NULL)
AzureIoTClient 11:31ebaeb51e1e 2060 {
AzureIoTClient 11:31ebaeb51e1e 2061 LogError("Invalid Argument: waitingToSend is NULL)");
AzureIoTClient 11:31ebaeb51e1e 2062 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2063 }
AzureIoTClient 12:658ca6865de2 2064 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_006: [If the upperConfig's variables deviceId is an empty strings or length is greater then 128 then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2065 else if ( ( (deviceIdSize = strlen(config->upperConfig->deviceId)) > 128U) || (deviceIdSize == 0) )
AzureIoTClient 11:31ebaeb51e1e 2066 {
AzureIoTClient 11:31ebaeb51e1e 2067 LogError("Invalid Argument: DeviceId is of an invalid size");
AzureIoTClient 11:31ebaeb51e1e 2068 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2069 }
AzureIoTClient 12:658ca6865de2 2070 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2071 else if ((config->upperConfig->deviceKey != NULL) && (strlen(config->upperConfig->deviceKey) == 0))
AzureIoTClient 11:31ebaeb51e1e 2072 {
AzureIoTClient 11:31ebaeb51e1e 2073 LogError("Invalid Argument: deviceKey is empty");
AzureIoTClient 11:31ebaeb51e1e 2074 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2075 }
AzureIoTClient 12:658ca6865de2 2076 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2077 else if ((config->upperConfig->deviceSasToken != NULL) && (strlen(config->upperConfig->deviceSasToken) == 0))
AzureIoTClient 11:31ebaeb51e1e 2078 {
AzureIoTClient 11:31ebaeb51e1e 2079 LogError("Invalid Argument: deviceSasToken is empty");
AzureIoTClient 11:31ebaeb51e1e 2080 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2081 }
AzureIoTClient 12:658ca6865de2 2082 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, deviceKey, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2083 else if (strlen(config->upperConfig->iotHubName) == 0)
AzureIoTClient 11:31ebaeb51e1e 2084 {
AzureIoTClient 11:31ebaeb51e1e 2085 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 11:31ebaeb51e1e 2086 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2087 }
AzureIoTClient 11:31ebaeb51e1e 2088 else
AzureIoTClient 11:31ebaeb51e1e 2089 {
AzureIoTClient 21:167f8fcf6fb1 2090 result = InitializeTransportHandleData(config->upperConfig, config->waitingToSend, config->auth_module_handle);
Azure.IoT.Build 13:606465879c57 2091 if (result != NULL)
AzureIoTClient 11:31ebaeb51e1e 2092 {
AzureIoTClient 11:31ebaeb51e1e 2093 result->get_io_transport = get_io_transport;
AzureIoTClient 20:594780be216d 2094 result->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2095 result->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2096 result->http_proxy_password = NULL;
AzureIoTClient 11:31ebaeb51e1e 2097 }
AzureIoTClient 11:31ebaeb51e1e 2098 }
AzureIoTClient 12:658ca6865de2 2099 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [If any error is encountered then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2100 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_011: [On Success IoTHubTransport_MQTT_Common_Create shall return a non-NULL value.] */
AzureIoTClient 11:31ebaeb51e1e 2101 return result;
AzureIoTClient 11:31ebaeb51e1e 2102 }
AzureIoTClient 11:31ebaeb51e1e 2103
AzureIoTClient 11:31ebaeb51e1e 2104 void IoTHubTransport_MQTT_Common_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2105 {
AzureIoTClient 12:658ca6865de2 2106 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [IoTHubTransport_MQTT_Common_Destroy shall do nothing if parameter handle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2107 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2108 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2109 {
AzureIoTClient 11:31ebaeb51e1e 2110 transport_data->isDestroyCalled = true;
AzureIoTClient 11:31ebaeb51e1e 2111
AzureIoTClient 11:31ebaeb51e1e 2112 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2113
AzureIoTClient 11:31ebaeb51e1e 2114 //Empty the Waiting for Ack Messages.
AzureIoTClient 11:31ebaeb51e1e 2115 while (!DList_IsListEmpty(&transport_data->telemetry_waitingForAck))
AzureIoTClient 11:31ebaeb51e1e 2116 {
AzureIoTClient 11:31ebaeb51e1e 2117 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->telemetry_waitingForAck);
AzureIoTClient 11:31ebaeb51e1e 2118 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2119 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY);
AzureIoTClient 11:31ebaeb51e1e 2120 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2121 }
AzureIoTClient 12:658ca6865de2 2122 while (!DList_IsListEmpty(&transport_data->ack_waiting_queue))
AzureIoTClient 12:658ca6865de2 2123 {
AzureIoTClient 12:658ca6865de2 2124 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->ack_waiting_queue);
AzureIoTClient 12:658ca6865de2 2125 MQTT_DEVICE_TWIN_ITEM* mqtt_device_twin = containingRecord(currentEntry, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 2126 IoTHubClient_LL_ReportedStateComplete(transport_data->llClientHandle, mqtt_device_twin->iothub_msg_id, STATUS_CODE_TIMEOUT_VALUE);
AzureIoTClient 12:658ca6865de2 2127 free(mqtt_device_twin);
AzureIoTClient 12:658ca6865de2 2128 }
AzureIoTClient 11:31ebaeb51e1e 2129
AzureIoTClient 12:658ca6865de2 2130 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_014: [IoTHubTransport_MQTT_Common_Destroy shall free all the resources currently in use.] */
AzureIoTClient 20:594780be216d 2131 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_012: [ `IoTHubTransport_MQTT_Common_Destroy` shall free the stored proxy options. ]*/
AzureIoTClient 31:d6198e67d1eb 2132 free_transport_handle_data(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2133 }
AzureIoTClient 11:31ebaeb51e1e 2134 }
AzureIoTClient 11:31ebaeb51e1e 2135
AzureIoTClient 12:658ca6865de2 2136 int IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2137 {
AzureIoTClient 12:658ca6865de2 2138 int result;
AzureIoTClient 12:658ca6865de2 2139 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2140 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2141 {
AzureIoTClient 12:658ca6865de2 2142 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_042: [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2143 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2144 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2145 }
AzureIoTClient 12:658ca6865de2 2146 else
AzureIoTClient 12:658ca6865de2 2147 {
AzureIoTClient 12:658ca6865de2 2148 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2149 {
AzureIoTClient 12:658ca6865de2 2150 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_044: [IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall construct the get state topic string and the notify state topic string.] */
AzureIoTClient 12:658ca6865de2 2151 transport_data->topic_GetState = STRING_construct(TOPIC_GET_DESIRED_STATE);
AzureIoTClient 12:658ca6865de2 2152 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2153 {
AzureIoTClient 12:658ca6865de2 2154 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_046: [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2155 LogError("Failure: unable constructing reported state topic");
AzureIoTClient 18:ec8e5e97c6a4 2156 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2157 }
AzureIoTClient 12:658ca6865de2 2158 else
AzureIoTClient 12:658ca6865de2 2159 {
AzureIoTClient 12:658ca6865de2 2160 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2161 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2162 result = 0;
AzureIoTClient 12:658ca6865de2 2163 }
AzureIoTClient 12:658ca6865de2 2164 }
AzureIoTClient 12:658ca6865de2 2165 else
AzureIoTClient 12:658ca6865de2 2166 {
AzureIoTClient 12:658ca6865de2 2167 result = 0;
AzureIoTClient 12:658ca6865de2 2168 }
AzureIoTClient 12:658ca6865de2 2169 if (result == 0 && transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2170 {
AzureIoTClient 12:658ca6865de2 2171 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_044: [`IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin` shall construct the get state topic string and the notify state topic string.] */
AzureIoTClient 12:658ca6865de2 2172 transport_data->topic_NotifyState = STRING_construct(TOPIC_NOTIFICATION_STATE);
AzureIoTClient 12:658ca6865de2 2173 if (transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2174 {
AzureIoTClient 12:658ca6865de2 2175 LogError("Failure: unable constructing notify state topic");
AzureIoTClient 18:ec8e5e97c6a4 2176 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2177 }
AzureIoTClient 12:658ca6865de2 2178 else
AzureIoTClient 12:658ca6865de2 2179 {
AzureIoTClient 12:658ca6865de2 2180 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2181 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2182 result = 0;
AzureIoTClient 12:658ca6865de2 2183 }
AzureIoTClient 12:658ca6865de2 2184 }
AzureIoTClient 12:658ca6865de2 2185 if (result == 0)
AzureIoTClient 12:658ca6865de2 2186 {
AzureIoTClient 12:658ca6865de2 2187 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2188 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2189 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2190 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2191 {
AzureIoTClient 12:658ca6865de2 2192 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2193 }
AzureIoTClient 12:658ca6865de2 2194 }
AzureIoTClient 12:658ca6865de2 2195 }
AzureIoTClient 12:658ca6865de2 2196 return result;
AzureIoTClient 12:658ca6865de2 2197 }
AzureIoTClient 12:658ca6865de2 2198
AzureIoTClient 12:658ca6865de2 2199 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2200 {
AzureIoTClient 12:658ca6865de2 2201 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2202 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_048: [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall do nothing.] */
AzureIoTClient 12:658ca6865de2 2203 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2204 {
AzureIoTClient 12:658ca6865de2 2205 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 2206 {
AzureIoTClient 12:658ca6865de2 2207 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_049: [If subscribe_state is set to IOTHUB_DEVICE_TWIN_DESIRED_STATE then IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall unsubscribe from the topic_GetState to the mqtt client.] */
AzureIoTClient 12:658ca6865de2 2208 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2209 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 2210 transport_data->topic_GetState = NULL;
AzureIoTClient 12:658ca6865de2 2211 }
AzureIoTClient 12:658ca6865de2 2212 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 2213 {
AzureIoTClient 12:658ca6865de2 2214 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_050: [If subscribe_state is set to IOTHUB_DEVICE_TWIN_NOTIFICATION_STATE then IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall unsubscribe from the topic_NotifyState to the mqtt client.] */
AzureIoTClient 12:658ca6865de2 2215 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2216 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 2217 transport_data->topic_NotifyState = NULL;
AzureIoTClient 12:658ca6865de2 2218 }
AzureIoTClient 12:658ca6865de2 2219 }
AzureIoTClient 12:658ca6865de2 2220 else
AzureIoTClient 12:658ca6865de2 2221 {
AzureIoTClient 12:658ca6865de2 2222 LogError("Invalid argument to unsubscribe (handle is NULL).");
AzureIoTClient 12:658ca6865de2 2223 }
AzureIoTClient 12:658ca6865de2 2224 }
AzureIoTClient 12:658ca6865de2 2225
AzureIoTClient 12:658ca6865de2 2226 int IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2227 {
AzureIoTClient 12:658ca6865de2 2228 int result;
AzureIoTClient 12:658ca6865de2 2229 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2230
AzureIoTClient 12:658ca6865de2 2231 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2232 {
AzureIoTClient 12:658ca6865de2 2233 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_001 : [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2234 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2235 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2236 }
AzureIoTClient 12:658ca6865de2 2237 else
AzureIoTClient 12:658ca6865de2 2238 {
AzureIoTClient 12:658ca6865de2 2239 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2240 {
AzureIoTClient 12:658ca6865de2 2241 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_004 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for subscribe.]*/
AzureIoTClient 12:658ca6865de2 2242 transport_data->topic_DeviceMethods = STRING_construct(TOPIC_DEVICE_METHOD_SUBSCRIBE);
AzureIoTClient 12:658ca6865de2 2243 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2244 {
AzureIoTClient 12:658ca6865de2 2245 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_006 : [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2246 LogError("Failure: unable constructing device method subscribe topic");
AzureIoTClient 18:ec8e5e97c6a4 2247 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2248 }
AzureIoTClient 12:658ca6865de2 2249 else
AzureIoTClient 12:658ca6865de2 2250 {
AzureIoTClient 12:658ca6865de2 2251 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_003 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall set the signaling flag for DEVICE_METHOD topic for the receiver's topic list. ]*/
AzureIoTClient 12:658ca6865de2 2252 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2253 result = 0;
AzureIoTClient 12:658ca6865de2 2254 }
AzureIoTClient 12:658ca6865de2 2255 }
AzureIoTClient 12:658ca6865de2 2256 else
AzureIoTClient 12:658ca6865de2 2257 {
AzureIoTClient 12:658ca6865de2 2258 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_002 : [If the MQTT transport has been previously subscribed to DEVICE_METHOD topic IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall do nothing and return 0.]*/
AzureIoTClient 12:658ca6865de2 2259 result = 0;
AzureIoTClient 12:658ca6865de2 2260 }
AzureIoTClient 12:658ca6865de2 2261
AzureIoTClient 12:658ca6865de2 2262 if (result == 0)
AzureIoTClient 12:658ca6865de2 2263 {
AzureIoTClient 12:658ca6865de2 2264 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_005 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall schedule the send of the subscription.]*/
AzureIoTClient 12:658ca6865de2 2265 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_007 : [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return 0.]*/
AzureIoTClient 12:658ca6865de2 2266 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2267 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2268 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2269 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2270 {
AzureIoTClient 12:658ca6865de2 2271 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2272 }
AzureIoTClient 12:658ca6865de2 2273 }
AzureIoTClient 12:658ca6865de2 2274 }
AzureIoTClient 12:658ca6865de2 2275 return result;
AzureIoTClient 12:658ca6865de2 2276 }
AzureIoTClient 12:658ca6865de2 2277
AzureIoTClient 12:658ca6865de2 2278 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2279 {
AzureIoTClient 12:658ca6865de2 2280 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2281 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_008 : [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall do nothing and return.]*/
AzureIoTClient 12:658ca6865de2 2282 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2283 {
AzureIoTClient 12:658ca6865de2 2284 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_009 : [If the MQTT transport has not been subscribed to DEVICE_METHOD topic IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall do nothing and return.]*/
AzureIoTClient 12:658ca6865de2 2285 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 2286 {
AzureIoTClient 12:658ca6865de2 2287 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_010 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2288 const char* unsubscribe[1];
AzureIoTClient 12:658ca6865de2 2289 unsubscribe[0] = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2290
AzureIoTClient 12:658ca6865de2 2291 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_011 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall send the unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2292 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 12:658ca6865de2 2293 {
AzureIoTClient 12:658ca6865de2 2294 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 12:658ca6865de2 2295 }
AzureIoTClient 12:658ca6865de2 2296
AzureIoTClient 12:658ca6865de2 2297 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_012 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall removes the signaling flag for DEVICE_METHOD topic from the receiver's topic list. ]*/
AzureIoTClient 12:658ca6865de2 2298 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2299 transport_data->topic_DeviceMethods = NULL;
AzureIoTClient 12:658ca6865de2 2300 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2301 }
AzureIoTClient 12:658ca6865de2 2302 }
AzureIoTClient 12:658ca6865de2 2303 else
AzureIoTClient 12:658ca6865de2 2304 {
AzureIoTClient 12:658ca6865de2 2305 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 12:658ca6865de2 2306 }
AzureIoTClient 12:658ca6865de2 2307 }
AzureIoTClient 12:658ca6865de2 2308
AzureIoTClient 14:4dc2b011be33 2309 int IoTHubTransport_MQTT_Common_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t respSize, int status)
AzureIoTClient 14:4dc2b011be33 2310 {
AzureIoTClient 14:4dc2b011be33 2311 int result;
AzureIoTClient 14:4dc2b011be33 2312 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 14:4dc2b011be33 2313 if (transport_data != NULL)
AzureIoTClient 14:4dc2b011be33 2314 {
AzureIoTClient 14:4dc2b011be33 2315 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_042: [ IoTHubTransport_MQTT_Common_DeviceMethod_Response shall publish an mqtt message for the device method response. ] */
AzureIoTClient 14:4dc2b011be33 2316 DEVICE_METHOD_INFO* dev_method_info = (DEVICE_METHOD_INFO*)methodId;
AzureIoTClient 14:4dc2b011be33 2317 if (dev_method_info == NULL)
AzureIoTClient 14:4dc2b011be33 2318 {
AzureIoTClient 14:4dc2b011be33 2319 LogError("Failure: DEVICE_METHOD_INFO was NULL");
AzureIoTClient 18:ec8e5e97c6a4 2320 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2321 }
AzureIoTClient 14:4dc2b011be33 2322 else
AzureIoTClient 14:4dc2b011be33 2323 {
AzureIoTClient 14:4dc2b011be33 2324 if (publish_device_method_message(transport_data, status, dev_method_info->request_id, response, respSize) != 0)
AzureIoTClient 14:4dc2b011be33 2325 {
AzureIoTClient 14:4dc2b011be33 2326 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_051: [ If any error is encountered, IoTHubTransport_MQTT_Common_DeviceMethod_Response shall return a non-zero value. ] */
AzureIoTClient 14:4dc2b011be33 2327 LogError("Failure: publishing device method response");
AzureIoTClient 18:ec8e5e97c6a4 2328 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2329 }
AzureIoTClient 14:4dc2b011be33 2330 else
AzureIoTClient 14:4dc2b011be33 2331 {
AzureIoTClient 14:4dc2b011be33 2332 result = 0;
AzureIoTClient 14:4dc2b011be33 2333 }
AzureIoTClient 14:4dc2b011be33 2334 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 2335 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 2336 }
AzureIoTClient 14:4dc2b011be33 2337 }
AzureIoTClient 14:4dc2b011be33 2338 else
AzureIoTClient 14:4dc2b011be33 2339 {
AzureIoTClient 14:4dc2b011be33 2340 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_041: [ If the parameter handle is NULL than IoTHubTransport_MQTT_Common_DeviceMethod_Response shall return a non-zero value. ] */
AzureIoTClient 18:ec8e5e97c6a4 2341 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2342 LogError("Failure: invalid IOTHUB_DEVICE_HANDLE parameter specified");
AzureIoTClient 14:4dc2b011be33 2343 }
AzureIoTClient 14:4dc2b011be33 2344 return result;
AzureIoTClient 14:4dc2b011be33 2345 }
AzureIoTClient 14:4dc2b011be33 2346
AzureIoTClient 11:31ebaeb51e1e 2347 int IoTHubTransport_MQTT_Common_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2348 {
AzureIoTClient 11:31ebaeb51e1e 2349 int result;
AzureIoTClient 11:31ebaeb51e1e 2350 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2351 if (transport_data == NULL)
AzureIoTClient 11:31ebaeb51e1e 2352 {
AzureIoTClient 12:658ca6865de2 2353 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_015: [If parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 2354 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2355 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2356 }
AzureIoTClient 11:31ebaeb51e1e 2357 else
AzureIoTClient 11:31ebaeb51e1e 2358 {
AzureIoTClient 12:658ca6865de2 2359 /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransport_MQTT_Common_Subscribe shall set a flag to enable mqtt_client_subscribe to be called to subscribe to the Message Topic.] */
AzureIoTClient 11:31ebaeb51e1e 2360 transport_data->topic_MqttMessage = STRING_construct_sprintf(TOPIC_DEVICE_MSG, STRING_c_str(transport_data->device_id) );
AzureIoTClient 11:31ebaeb51e1e 2361 if (transport_data->topic_MqttMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 2362 {
AzureIoTClient 11:31ebaeb51e1e 2363 LogError("Failure constructing Message Topic");
AzureIoTClient 18:ec8e5e97c6a4 2364 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2365 }
AzureIoTClient 11:31ebaeb51e1e 2366 else
AzureIoTClient 11:31ebaeb51e1e 2367 {
AzureIoTClient 11:31ebaeb51e1e 2368 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 12:658ca6865de2 2369 /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_035: [If current packet state is not CONNACT, DISCONNECT_TYPE, or PACKET_TYPE_ERROR then IoTHubTransport_MQTT_Common_Subscribe shall set the packet state to SUBSCRIBE_TYPE.]*/
AzureIoTClient 11:31ebaeb51e1e 2370 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2371 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2372 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2373 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 11:31ebaeb51e1e 2374 {
AzureIoTClient 11:31ebaeb51e1e 2375 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2376 }
AzureIoTClient 11:31ebaeb51e1e 2377 result = 0;
AzureIoTClient 11:31ebaeb51e1e 2378 }
AzureIoTClient 11:31ebaeb51e1e 2379 }
AzureIoTClient 11:31ebaeb51e1e 2380 return result;
AzureIoTClient 11:31ebaeb51e1e 2381 }
AzureIoTClient 11:31ebaeb51e1e 2382
AzureIoTClient 11:31ebaeb51e1e 2383 void IoTHubTransport_MQTT_Common_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2384 {
AzureIoTClient 11:31ebaeb51e1e 2385 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2386 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_019: [If parameter handle is NULL then IoTHubTransport_MQTT_Common_Unsubscribe shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2387 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2388 {
AzureIoTClient 12:658ca6865de2 2389 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_020: [IoTHubTransport_MQTT_Common_Unsubscribe shall call mqtt_client_unsubscribe to unsubscribe the mqtt message topic.] */
AzureIoTClient 11:31ebaeb51e1e 2390 const char* unsubscribe[1];
AzureIoTClient 11:31ebaeb51e1e 2391 unsubscribe[0] = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2392 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 11:31ebaeb51e1e 2393 {
AzureIoTClient 11:31ebaeb51e1e 2394 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 11:31ebaeb51e1e 2395 }
AzureIoTClient 11:31ebaeb51e1e 2396 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2397 transport_data->topic_MqttMessage = NULL;
AzureIoTClient 11:31ebaeb51e1e 2398 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 2399 }
AzureIoTClient 11:31ebaeb51e1e 2400 else
AzureIoTClient 11:31ebaeb51e1e 2401 {
AzureIoTClient 11:31ebaeb51e1e 2402 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 11:31ebaeb51e1e 2403 }
AzureIoTClient 11:31ebaeb51e1e 2404 }
AzureIoTClient 11:31ebaeb51e1e 2405
AzureIoTClient 12:658ca6865de2 2406 IOTHUB_PROCESS_ITEM_RESULT IoTHubTransport_MQTT_Common_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
AzureIoTClient 12:658ca6865de2 2407 {
AzureIoTClient 12:658ca6865de2 2408 IOTHUB_PROCESS_ITEM_RESULT result;
AzureIoTClient 12:658ca6865de2 2409 /* Codes_SRS_IOTHUBCLIENT_LL_07_001: [ If handle or iothub_item are NULL then IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2410 if (handle == NULL || iothub_item == NULL)
AzureIoTClient 12:658ca6865de2 2411 {
AzureIoTClient 12:658ca6865de2 2412 LogError("Invalid handle parameter iothub_item=%p", iothub_item);
AzureIoTClient 12:658ca6865de2 2413 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2414 }
AzureIoTClient 12:658ca6865de2 2415 else
AzureIoTClient 12:658ca6865de2 2416 {
AzureIoTClient 12:658ca6865de2 2417 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2418
AzureIoTClient 12:658ca6865de2 2419 if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 12:658ca6865de2 2420 {
AzureIoTClient 12:658ca6865de2 2421 if (item_type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 12:658ca6865de2 2422 {
AzureIoTClient 12:658ca6865de2 2423 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 2424 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 2425 {
AzureIoTClient 12:658ca6865de2 2426 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2427 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2428 }
AzureIoTClient 12:658ca6865de2 2429 else
AzureIoTClient 12:658ca6865de2 2430 {
AzureIoTClient 12:658ca6865de2 2431 /*Codes_SRS_IOTHUBCLIENT_LL_07_003: [ IoTHubTransport_MQTT_Common_ProcessItem shall publish a message to the mqtt protocol with the message topic for the message type.]*/
AzureIoTClient 12:658ca6865de2 2432 mqtt_info->iothub_type = item_type;
AzureIoTClient 12:658ca6865de2 2433 mqtt_info->iothub_msg_id = iothub_item->device_twin->item_id;
AzureIoTClient 12:658ca6865de2 2434 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 2435
AzureIoTClient 12:658ca6865de2 2436 /* Codes_SRS_IOTHUBCLIENT_LL_07_005: [ If successful IoTHubTransport_MQTT_Common_ProcessItem shall add mqtt info structure acknowledgement queue. ] */
AzureIoTClient 12:658ca6865de2 2437 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2438
AzureIoTClient 12:658ca6865de2 2439 if (publish_device_twin_message(transport_data, iothub_item->device_twin, mqtt_info) != 0)
AzureIoTClient 12:658ca6865de2 2440 {
AzureIoTClient 12:658ca6865de2 2441 DList_RemoveEntryList(&mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2442
AzureIoTClient 12:658ca6865de2 2443 free(mqtt_info);
AzureIoTClient 12:658ca6865de2 2444 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2445 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2446 }
AzureIoTClient 12:658ca6865de2 2447 else
AzureIoTClient 12:658ca6865de2 2448 {
AzureIoTClient 12:658ca6865de2 2449 result = IOTHUB_PROCESS_OK;
AzureIoTClient 12:658ca6865de2 2450 }
AzureIoTClient 12:658ca6865de2 2451 }
AzureIoTClient 12:658ca6865de2 2452 }
AzureIoTClient 12:658ca6865de2 2453 else
AzureIoTClient 12:658ca6865de2 2454 {
AzureIoTClient 12:658ca6865de2 2455 /* Codes_SRS_IOTHUBCLIENT_LL_07_006: [ If the item_type is not a supported type IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_CONTINUE. ]*/
AzureIoTClient 12:658ca6865de2 2456 result = IOTHUB_PROCESS_CONTINUE;
AzureIoTClient 12:658ca6865de2 2457 }
AzureIoTClient 12:658ca6865de2 2458 }
AzureIoTClient 12:658ca6865de2 2459 else
AzureIoTClient 12:658ca6865de2 2460 {
AzureIoTClient 12:658ca6865de2 2461 /* Codes_SRS_IOTHUBCLIENT_LL_07_002: [ If the mqtt is not ready to publish messages IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_NOT_CONNECTED. ] */
AzureIoTClient 12:658ca6865de2 2462 result = IOTHUB_PROCESS_NOT_CONNECTED;
AzureIoTClient 12:658ca6865de2 2463 }
AzureIoTClient 12:658ca6865de2 2464 }
AzureIoTClient 12:658ca6865de2 2465 return result;
AzureIoTClient 12:658ca6865de2 2466 }
AzureIoTClient 12:658ca6865de2 2467
AzureIoTClient 12:658ca6865de2 2468 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ IoTHubTransport_MQTT_Common_DoWork shall subscribe to the Notification and get_state Topics if they are defined. ] */
AzureIoTClient 11:31ebaeb51e1e 2469 void IoTHubTransport_MQTT_Common_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 11:31ebaeb51e1e 2470 {
AzureIoTClient 12:658ca6865de2 2471 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_026: [IoTHubTransport_MQTT_Common_DoWork shall do nothing if parameter handle and/or iotHubClientHandle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2472 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2473 if (transport_data != NULL && iotHubClientHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2474 {
AzureIoTClient 11:31ebaeb51e1e 2475 transport_data->llClientHandle = iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2476
AzureIoTClient 11:31ebaeb51e1e 2477 if (InitializeConnection(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 2478 {
AzureIoTClient 11:31ebaeb51e1e 2479 // Don't want to flood the logs with failures here
AzureIoTClient 11:31ebaeb51e1e 2480 }
AzureIoTClient 11:31ebaeb51e1e 2481 else
AzureIoTClient 11:31ebaeb51e1e 2482 {
AzureIoTClient 33:b7dfb208ef0a 2483 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_PENDING_CLOSE)
AzureIoTClient 33:b7dfb208ef0a 2484 {
AzureIoTClient 33:b7dfb208ef0a 2485 mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 33:b7dfb208ef0a 2486 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 33:b7dfb208ef0a 2487 }
AzureIoTClient 33:b7dfb208ef0a 2488 else if (transport_data->currPacketState == CONNACK_TYPE || transport_data->currPacketState == SUBSCRIBE_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2489 {
AzureIoTClient 11:31ebaeb51e1e 2490 SubscribeToMqttProtocol(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2491 }
AzureIoTClient 11:31ebaeb51e1e 2492 else if (transport_data->currPacketState == SUBACK_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2493 {
AzureIoTClient 12:658ca6865de2 2494 if ((transport_data->topic_NotifyState != NULL || transport_data->topic_GetState != NULL) &&
AzureIoTClient 12:658ca6865de2 2495 !transport_data->device_twin_get_sent)
AzureIoTClient 12:658ca6865de2 2496 {
AzureIoTClient 12:658ca6865de2 2497 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_055: [ IoTHubTransport_MQTT_Common_DoWork shall send a device twin get property message upon successfully retrieving a SUBACK on device twin topics. ] */
AzureIoTClient 12:658ca6865de2 2498 if (publish_device_twin_get_message(transport_data) == 0)
AzureIoTClient 12:658ca6865de2 2499 {
AzureIoTClient 12:658ca6865de2 2500 transport_data->device_twin_get_sent = true;
AzureIoTClient 12:658ca6865de2 2501 }
AzureIoTClient 12:658ca6865de2 2502 else
AzureIoTClient 12:658ca6865de2 2503 {
AzureIoTClient 12:658ca6865de2 2504 LogError("Failure: sending device twin get property command.");
AzureIoTClient 12:658ca6865de2 2505 }
AzureIoTClient 12:658ca6865de2 2506 }
AzureIoTClient 11:31ebaeb51e1e 2507 // Publish can be called now
AzureIoTClient 11:31ebaeb51e1e 2508 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2509 }
AzureIoTClient 11:31ebaeb51e1e 2510 else if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2511 {
AzureIoTClient 11:31ebaeb51e1e 2512 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 2513 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 2514 {
AzureIoTClient 24:4096249decf1 2515 tickcounter_ms_t current_ms;
AzureIoTClient 11:31ebaeb51e1e 2516 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2517 DLIST_ENTRY nextListEntry;
AzureIoTClient 11:31ebaeb51e1e 2518 nextListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2519
Azure.IoT.Build 13:606465879c57 2520 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &current_ms);
AzureIoTClient 12:658ca6865de2 2521 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_033: [IoTHubTransport_MQTT_Common_DoWork shall iterate through the Waiting Acknowledge messages looking for any message that has been waiting longer than 2 min.]*/
AzureIoTClient 11:31ebaeb51e1e 2522 if (((current_ms - mqttMsgEntry->msgPublishTime) / 1000) > RESEND_TIMEOUT_VALUE_MIN)
AzureIoTClient 11:31ebaeb51e1e 2523 {
AzureIoTClient 24:4096249decf1 2524 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_034: [If IoTHubTransport_MQTT_Common_DoWork has resent the message two times then it shall fail the message and reconnect to IoTHub ... ] */
AzureIoTClient 11:31ebaeb51e1e 2525 if (mqttMsgEntry->retryCount >= MAX_SEND_RECOUNT_LIMIT)
AzureIoTClient 11:31ebaeb51e1e 2526 {
AzureIoTClient 24:4096249decf1 2527 PDLIST_ENTRY current_entry;
AzureIoTClient 11:31ebaeb51e1e 2528 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2529 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_MESSAGE_TIMEOUT);
AzureIoTClient 11:31ebaeb51e1e 2530 free(mqttMsgEntry);
AzureIoTClient 24:4096249decf1 2531
AzureIoTClient 24:4096249decf1 2532 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 24:4096249decf1 2533 transport_data->device_twin_get_sent = false;
AzureIoTClient 24:4096249decf1 2534 DisconnectFromClient(transport_data);
AzureIoTClient 24:4096249decf1 2535
AzureIoTClient 24:4096249decf1 2536 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_057: [ ... then go through all the rest of the waiting messages and reset the retryCount on the message. ]*/
AzureIoTClient 24:4096249decf1 2537 current_entry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 24:4096249decf1 2538 while (current_entry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 24:4096249decf1 2539 {
AzureIoTClient 24:4096249decf1 2540 MQTT_MESSAGE_DETAILS_LIST* msg_reset_entry;
AzureIoTClient 24:4096249decf1 2541 msg_reset_entry = containingRecord(current_entry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 24:4096249decf1 2542 msg_reset_entry->retryCount = 0;
AzureIoTClient 24:4096249decf1 2543 current_entry = current_entry->Flink;
AzureIoTClient 24:4096249decf1 2544 }
AzureIoTClient 11:31ebaeb51e1e 2545 }
AzureIoTClient 11:31ebaeb51e1e 2546 else
AzureIoTClient 11:31ebaeb51e1e 2547 {
AzureIoTClient 11:31ebaeb51e1e 2548 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2549 const unsigned char* messagePayload = RetrieveMessagePayload(mqttMsgEntry->iotHubMessageEntry->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2550 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2551 {
AzureIoTClient 11:31ebaeb51e1e 2552 LogError("Failure from creating Message IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2553 }
AzureIoTClient 11:31ebaeb51e1e 2554 else
AzureIoTClient 11:31ebaeb51e1e 2555 {
AzureIoTClient 11:31ebaeb51e1e 2556 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2557 {
AzureIoTClient 11:31ebaeb51e1e 2558 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2559 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2560 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2561 }
AzureIoTClient 11:31ebaeb51e1e 2562 }
AzureIoTClient 11:31ebaeb51e1e 2563 }
AzureIoTClient 11:31ebaeb51e1e 2564 }
AzureIoTClient 11:31ebaeb51e1e 2565 currentListEntry = nextListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2566 }
AzureIoTClient 11:31ebaeb51e1e 2567
AzureIoTClient 11:31ebaeb51e1e 2568 currentListEntry = transport_data->waitingToSend->Flink;
AzureIoTClient 12:658ca6865de2 2569 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2570 while (currentListEntry != transport_data->waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2571 {
AzureIoTClient 11:31ebaeb51e1e 2572 IOTHUB_MESSAGE_LIST* iothubMsgList = containingRecord(currentListEntry, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2573 DLIST_ENTRY savedFromCurrentListEntry;
AzureIoTClient 11:31ebaeb51e1e 2574 savedFromCurrentListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2575
AzureIoTClient 12:658ca6865de2 2576 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2577 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2578 const unsigned char* messagePayload = RetrieveMessagePayload(iothubMsgList->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2579 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2580 {
AzureIoTClient 11:31ebaeb51e1e 2581 LogError("Failure result from IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2582 }
AzureIoTClient 11:31ebaeb51e1e 2583 else
AzureIoTClient 11:31ebaeb51e1e 2584 {
AzureIoTClient 12:658ca6865de2 2585 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_029: [IoTHubTransport_MQTT_Common_DoWork shall create a MQTT_MESSAGE_HANDLE and pass this to a call to mqtt_client_publish.] */
AzureIoTClient 11:31ebaeb51e1e 2586 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = (MQTT_MESSAGE_DETAILS_LIST*)malloc(sizeof(MQTT_MESSAGE_DETAILS_LIST));
AzureIoTClient 11:31ebaeb51e1e 2587 if (mqttMsgEntry == NULL)
AzureIoTClient 11:31ebaeb51e1e 2588 {
AzureIoTClient 11:31ebaeb51e1e 2589 LogError("Allocation Error: Failure allocating MQTT Message Detail List.");
AzureIoTClient 11:31ebaeb51e1e 2590 }
AzureIoTClient 11:31ebaeb51e1e 2591 else
AzureIoTClient 11:31ebaeb51e1e 2592 {
AzureIoTClient 11:31ebaeb51e1e 2593 mqttMsgEntry->retryCount = 0;
AzureIoTClient 11:31ebaeb51e1e 2594 mqttMsgEntry->iotHubMessageEntry = iothubMsgList;
AzureIoTClient 11:31ebaeb51e1e 2595 mqttMsgEntry->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2596 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2597 {
AzureIoTClient 11:31ebaeb51e1e 2598 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2599 sendMsgComplete(iothubMsgList, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2600 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2601 }
AzureIoTClient 11:31ebaeb51e1e 2602 else
AzureIoTClient 11:31ebaeb51e1e 2603 {
AzureIoTClient 11:31ebaeb51e1e 2604 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2605 DList_InsertTailList(&(transport_data->telemetry_waitingForAck), &(mqttMsgEntry->entry));
AzureIoTClient 11:31ebaeb51e1e 2606 }
AzureIoTClient 11:31ebaeb51e1e 2607 }
AzureIoTClient 11:31ebaeb51e1e 2608 }
AzureIoTClient 11:31ebaeb51e1e 2609 currentListEntry = savedFromCurrentListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2610 }
AzureIoTClient 11:31ebaeb51e1e 2611 }
AzureIoTClient 20:594780be216d 2612 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_030: [IoTHubTransport_MQTT_Common_DoWork shall call mqtt_client_dowork everytime it is called if it is connected.] */
AzureIoTClient 11:31ebaeb51e1e 2613 mqtt_client_dowork(transport_data->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 2614 }
AzureIoTClient 11:31ebaeb51e1e 2615 }
AzureIoTClient 11:31ebaeb51e1e 2616 }
AzureIoTClient 11:31ebaeb51e1e 2617
AzureIoTClient 11:31ebaeb51e1e 2618 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 11:31ebaeb51e1e 2619 {
AzureIoTClient 11:31ebaeb51e1e 2620 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2621
AzureIoTClient 11:31ebaeb51e1e 2622 if (handle == NULL || iotHubClientStatus == NULL)
AzureIoTClient 11:31ebaeb51e1e 2623 {
AzureIoTClient 12:658ca6865de2 2624 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_023: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter.] */
AzureIoTClient 11:31ebaeb51e1e 2625 LogError("invalid arument.");
AzureIoTClient 11:31ebaeb51e1e 2626 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2627 }
AzureIoTClient 11:31ebaeb51e1e 2628 else
AzureIoTClient 11:31ebaeb51e1e 2629 {
AzureIoTClient 11:31ebaeb51e1e 2630 MQTTTRANSPORT_HANDLE_DATA* handleData = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2631 if (!DList_IsListEmpty(handleData->waitingToSend) || !DList_IsListEmpty(&(handleData->telemetry_waitingForAck)))
AzureIoTClient 11:31ebaeb51e1e 2632 {
AzureIoTClient 12:658ca6865de2 2633 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_025: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently event items to be sent or being sent.] */
AzureIoTClient 11:31ebaeb51e1e 2634 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 11:31ebaeb51e1e 2635 }
AzureIoTClient 11:31ebaeb51e1e 2636 else
AzureIoTClient 11:31ebaeb51e1e 2637 {
AzureIoTClient 12:658ca6865de2 2638 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_024: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there are currently no event items to be sent or being sent.] */
AzureIoTClient 11:31ebaeb51e1e 2639 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 11:31ebaeb51e1e 2640 }
AzureIoTClient 11:31ebaeb51e1e 2641 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2642 }
AzureIoTClient 11:31ebaeb51e1e 2643 return result;
AzureIoTClient 11:31ebaeb51e1e 2644 }
AzureIoTClient 11:31ebaeb51e1e 2645
AzureIoTClient 11:31ebaeb51e1e 2646 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient 11:31ebaeb51e1e 2647 {
AzureIoTClient 12:658ca6865de2 2648 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_021: [If any parameter is NULL then IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 11:31ebaeb51e1e 2649 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2650 if (
AzureIoTClient 11:31ebaeb51e1e 2651 (handle == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2652 (option == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2653 (value == NULL)
AzureIoTClient 11:31ebaeb51e1e 2654 )
AzureIoTClient 11:31ebaeb51e1e 2655 {
AzureIoTClient 11:31ebaeb51e1e 2656 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2657 LogError("invalid parameter (NULL) passed to IoTHubTransport_MQTT_Common_SetOption.");
AzureIoTClient 11:31ebaeb51e1e 2658 }
AzureIoTClient 11:31ebaeb51e1e 2659 else
AzureIoTClient 11:31ebaeb51e1e 2660 {
AzureIoTClient 11:31ebaeb51e1e 2661 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 21:167f8fcf6fb1 2662
AzureIoTClient 21:167f8fcf6fb1 2663 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module);
AzureIoTClient 21:167f8fcf6fb1 2664
AzureIoTClient 11:31ebaeb51e1e 2665 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_031: [If the option parameter is set to "logtrace" then the value shall be a bool_ptr and the value will determine if the mqtt client log is on or off.] */
AzureIoTClient 11:31ebaeb51e1e 2666 if (strcmp(OPTION_LOG_TRACE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2667 {
AzureIoTClient 11:31ebaeb51e1e 2668 transport_data->log_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2669 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2670 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2671 }
AzureIoTClient 11:31ebaeb51e1e 2672 else if (strcmp("rawlogtrace", option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2673 {
AzureIoTClient 11:31ebaeb51e1e 2674 transport_data->raw_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2675 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2676 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2677 }
AzureIoTClient 29:923be0c3998a 2678 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_052: [ If the option parameter is set to "sas_token_lifetime" then the value shall be a size_t_ptr and the value will determine the mqtt sas token lifetime.] */
AzureIoTClient 29:923be0c3998a 2679 else if (strcmp(OPTION_SAS_TOKEN_LIFETIME, option) == 0)
AzureIoTClient 29:923be0c3998a 2680 {
AzureIoTClient 29:923be0c3998a 2681 size_t* sas_lifetime = (size_t*)value;
AzureIoTClient 29:923be0c3998a 2682 transport_data->option_sas_token_lifetime_secs = *sas_lifetime;
AzureIoTClient 29:923be0c3998a 2683 result = IOTHUB_CLIENT_OK;
AzureIoTClient 29:923be0c3998a 2684 }
AzureIoTClient 32:103a46ed8822 2685 else if (strcmp(OPTION_CONNECTION_TIMEOUT, option) == 0)
AzureIoTClient 32:103a46ed8822 2686 {
AzureIoTClient 32:103a46ed8822 2687 int* connection_time = (int*)value;
AzureIoTClient 32:103a46ed8822 2688 if (*connection_time != transport_data->connect_timeout_in_sec)
AzureIoTClient 32:103a46ed8822 2689 {
AzureIoTClient 32:103a46ed8822 2690 transport_data->connect_timeout_in_sec = (uint16_t)(*connection_time);
AzureIoTClient 32:103a46ed8822 2691 }
AzureIoTClient 32:103a46ed8822 2692 result = IOTHUB_CLIENT_OK;
AzureIoTClient 32:103a46ed8822 2693 }
AzureIoTClient 11:31ebaeb51e1e 2694 else if (strcmp(OPTION_KEEP_ALIVE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2695 {
AzureIoTClient 11:31ebaeb51e1e 2696 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_036: [If the option parameter is set to "keepalive" then the value shall be a int_ptr and the value will determine the mqtt keepalive time that is set for pings.] */
AzureIoTClient 11:31ebaeb51e1e 2697 int* keepAliveOption = (int*)value;
AzureIoTClient 12:658ca6865de2 2698 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_037 : [If the option parameter is set to supplied int_ptr keepalive is the same value as the existing keepalive then IoTHubTransport_MQTT_Common_SetOption shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2699 if (*keepAliveOption != transport_data->keepAliveValue)
AzureIoTClient 11:31ebaeb51e1e 2700 {
AzureIoTClient 11:31ebaeb51e1e 2701 transport_data->keepAliveValue = (uint16_t)(*keepAliveOption);
AzureIoTClient 20:594780be216d 2702 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_NOT_CONNECTED)
AzureIoTClient 11:31ebaeb51e1e 2703 {
AzureIoTClient 20:594780be216d 2704 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_038: [If the client is connected when the keepalive is set then IoTHubTransport_MQTT_Common_SetOption shall disconnect and reconnect with the specified keepalive value.] */
AzureIoTClient 11:31ebaeb51e1e 2705 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2706 }
AzureIoTClient 11:31ebaeb51e1e 2707 }
AzureIoTClient 11:31ebaeb51e1e 2708 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2709 }
AzureIoTClient 11:31ebaeb51e1e 2710 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_039: [If the option parameter is set to "x509certificate" then the value shall be a const char of the certificate to be used for x509.] */
AzureIoTClient 21:167f8fcf6fb1 2711 else if ((strcmp(OPTION_X509_CERT, option) == 0) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509 && cred_type != IOTHUB_CREDENTIAL_TYPE_UNKNOWN))
AzureIoTClient 11:31ebaeb51e1e 2712 {
AzureIoTClient 11:31ebaeb51e1e 2713 LogError("x509certificate specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2714 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2715 }
AzureIoTClient 11:31ebaeb51e1e 2716 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_040: [If the option parameter is set to "x509privatekey" then the value shall be a const char of the RSA Private Key to be used for x509.] */
AzureIoTClient 21:167f8fcf6fb1 2717 else if ((strcmp(OPTION_X509_PRIVATE_KEY, option) == 0) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509 && cred_type != IOTHUB_CREDENTIAL_TYPE_UNKNOWN))
AzureIoTClient 11:31ebaeb51e1e 2718 {
AzureIoTClient 11:31ebaeb51e1e 2719 LogError("x509privatekey specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2720 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2721 }
AzureIoTClient 20:594780be216d 2722 else if (strcmp(OPTION_HTTP_PROXY, option) == 0)
AzureIoTClient 20:594780be216d 2723 {
AzureIoTClient 20:594780be216d 2724 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_001: [ If `option` is `proxy_data`, `value` shall be used as an `HTTP_PROXY_OPTIONS*`. ]*/
AzureIoTClient 20:594780be216d 2725 HTTP_PROXY_OPTIONS* proxy_options = (HTTP_PROXY_OPTIONS*)value;
AzureIoTClient 20:594780be216d 2726
AzureIoTClient 20:594780be216d 2727 if (transport_data->xioTransport != NULL)
AzureIoTClient 20:594780be216d 2728 {
AzureIoTClient 20:594780be216d 2729 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_007: [ If the underlying IO has already been created, then `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2730 LogError("Cannot set proxy option once the underlying IO is created");
AzureIoTClient 20:594780be216d 2731 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2732 }
AzureIoTClient 20:594780be216d 2733 else if (proxy_options->host_address == NULL)
AzureIoTClient 20:594780be216d 2734 {
AzureIoTClient 20:594780be216d 2735 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_003: [ If `host_address` is NULL, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
AzureIoTClient 20:594780be216d 2736 LogError("NULL host_address in proxy options");
AzureIoTClient 20:594780be216d 2737 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2738 }
AzureIoTClient 20:594780be216d 2739 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_006: [ If only one of `username` and `password` is NULL, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
AzureIoTClient 20:594780be216d 2740 else if (((proxy_options->username == NULL) || (proxy_options->password == NULL)) &&
AzureIoTClient 20:594780be216d 2741 (proxy_options->username != proxy_options->password))
AzureIoTClient 20:594780be216d 2742 {
AzureIoTClient 20:594780be216d 2743 LogError("Only one of username and password for proxy settings was NULL");
AzureIoTClient 20:594780be216d 2744 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2745 }
AzureIoTClient 20:594780be216d 2746 else
AzureIoTClient 20:594780be216d 2747 {
AzureIoTClient 20:594780be216d 2748 char* copied_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2749 char* copied_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2750 char* copied_proxy_password = NULL;
AzureIoTClient 20:594780be216d 2751
AzureIoTClient 20:594780be216d 2752 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_002: [ The fields `host_address`, `port`, `username` and `password` shall be saved for later used (needed when creating the underlying IO to be used by the transport). ]*/
AzureIoTClient 20:594780be216d 2753 transport_data->http_proxy_port = proxy_options->port;
AzureIoTClient 20:594780be216d 2754 if (mallocAndStrcpy_s(&copied_proxy_hostname, proxy_options->host_address) != 0)
AzureIoTClient 20:594780be216d 2755 {
AzureIoTClient 20:594780be216d 2756 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2757 LogError("Cannot copy HTTP proxy hostname");
AzureIoTClient 20:594780be216d 2758 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2759 }
AzureIoTClient 20:594780be216d 2760 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2761 else if ((proxy_options->username != NULL) && (mallocAndStrcpy_s(&copied_proxy_username, proxy_options->username) != 0))
AzureIoTClient 20:594780be216d 2762 {
AzureIoTClient 20:594780be216d 2763 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2764 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2765 LogError("Cannot copy HTTP proxy username");
AzureIoTClient 20:594780be216d 2766 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2767 }
AzureIoTClient 20:594780be216d 2768 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2769 else if ((proxy_options->password != NULL) && (mallocAndStrcpy_s(&copied_proxy_password, proxy_options->password) != 0))
AzureIoTClient 20:594780be216d 2770 {
AzureIoTClient 20:594780be216d 2771 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2772 if (copied_proxy_username != NULL)
AzureIoTClient 20:594780be216d 2773 {
AzureIoTClient 20:594780be216d 2774 free(copied_proxy_username);
AzureIoTClient 20:594780be216d 2775 }
AzureIoTClient 20:594780be216d 2776 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2777 LogError("Cannot copy HTTP proxy password");
AzureIoTClient 20:594780be216d 2778 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2779 }
AzureIoTClient 20:594780be216d 2780 else
AzureIoTClient 20:594780be216d 2781 {
AzureIoTClient 20:594780be216d 2782 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_009: [ When setting the proxy options succeeds any previously saved proxy options shall be freed. ]*/
AzureIoTClient 20:594780be216d 2783 free_proxy_data(transport_data);
AzureIoTClient 20:594780be216d 2784
AzureIoTClient 20:594780be216d 2785 transport_data->http_proxy_hostname = copied_proxy_hostname;
AzureIoTClient 20:594780be216d 2786 transport_data->http_proxy_username = copied_proxy_username;
AzureIoTClient 20:594780be216d 2787 transport_data->http_proxy_password = copied_proxy_password;
AzureIoTClient 20:594780be216d 2788
AzureIoTClient 20:594780be216d 2789 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_008: [ If setting the `proxy_data` option suceeds, `IoTHubTransport_MQTT_Common_SetOption` shall return `IOTHUB_CLIENT_OK` ]*/
AzureIoTClient 20:594780be216d 2790 result = IOTHUB_CLIENT_OK;
AzureIoTClient 20:594780be216d 2791 }
AzureIoTClient 20:594780be216d 2792 }
AzureIoTClient 20:594780be216d 2793 }
AzureIoTClient 11:31ebaeb51e1e 2794 else
AzureIoTClient 11:31ebaeb51e1e 2795 {
AzureIoTClient 21:167f8fcf6fb1 2796 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_039: [If the option parameter is set to "x509certificate" then the value shall be a const char of the certificate to be used for x509.] */
AzureIoTClient 21:167f8fcf6fb1 2797 if ( ((strcmp(OPTION_X509_CERT, option) == 0) || (strcmp(OPTION_X509_PRIVATE_KEY, option) == 0)) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509) )
AzureIoTClient 21:167f8fcf6fb1 2798 {
AzureIoTClient 21:167f8fcf6fb1 2799 IoTHubClient_Auth_Set_x509_Type(transport_data->authorization_module, true);
AzureIoTClient 21:167f8fcf6fb1 2800 }
AzureIoTClient 21:167f8fcf6fb1 2801
AzureIoTClient 12:658ca6865de2 2802 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_032: [IoTHubTransport_MQTT_Common_SetOption shall pass down the option to xio_setoption if the option parameter is not a known option string for the MQTT transport.] */
AzureIoTClient 11:31ebaeb51e1e 2803 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 11:31ebaeb51e1e 2804 {
AzureIoTClient 11:31ebaeb51e1e 2805 if (xio_setoption(transport_data->xioTransport, option, value) == 0)
AzureIoTClient 11:31ebaeb51e1e 2806 {
AzureIoTClient 11:31ebaeb51e1e 2807 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2808 }
AzureIoTClient 11:31ebaeb51e1e 2809 else
AzureIoTClient 11:31ebaeb51e1e 2810 {
AzureIoTClient 12:658ca6865de2 2811 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_132: [IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG xio_setoption fails] */
AzureIoTClient 11:31ebaeb51e1e 2812 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2813 }
AzureIoTClient 11:31ebaeb51e1e 2814 }
AzureIoTClient 11:31ebaeb51e1e 2815 else
AzureIoTClient 11:31ebaeb51e1e 2816 {
AzureIoTClient 11:31ebaeb51e1e 2817 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 11:31ebaeb51e1e 2818 }
AzureIoTClient 11:31ebaeb51e1e 2819 }
AzureIoTClient 11:31ebaeb51e1e 2820 }
AzureIoTClient 11:31ebaeb51e1e 2821 return result;
AzureIoTClient 11:31ebaeb51e1e 2822 }
AzureIoTClient 11:31ebaeb51e1e 2823
AzureIoTClient 11:31ebaeb51e1e 2824 IOTHUB_DEVICE_HANDLE IoTHubTransport_MQTT_Common_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2825 {
AzureIoTClient 11:31ebaeb51e1e 2826 IOTHUB_DEVICE_HANDLE result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2827 (void)iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2828
AzureIoTClient 12:658ca6865de2 2829 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.]
AzureIoTClient 12:658ca6865de2 2830 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if device or waitingToSend are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2831 if ((handle == NULL) || (device == NULL) || (waitingToSend == NULL))
AzureIoTClient 11:31ebaeb51e1e 2832 {
AzureIoTClient 12:658ca6865de2 2833 LogError("IoTHubTransport_MQTT_Common_Register: handle, device or waitingToSend is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2834 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2835 }
AzureIoTClient 11:31ebaeb51e1e 2836 else
AzureIoTClient 11:31ebaeb51e1e 2837 {
AzureIoTClient 11:31ebaeb51e1e 2838 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2839
AzureIoTClient 12:658ca6865de2 2840 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if deviceId, or both deviceKey and deviceSasToken are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2841 if (device->deviceId == NULL)
AzureIoTClient 11:31ebaeb51e1e 2842 {
AzureIoTClient 12:658ca6865de2 2843 LogError("IoTHubTransport_MQTT_Common_Register: deviceId is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2844 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2845 }
AzureIoTClient 12:658ca6865de2 2846 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if both deviceKey and deviceSasToken are provided.]
AzureIoTClient 11:31ebaeb51e1e 2847 else if ((device->deviceKey != NULL) && (device->deviceSasToken != NULL))
AzureIoTClient 11:31ebaeb51e1e 2848 {
AzureIoTClient 12:658ca6865de2 2849 LogError("IoTHubTransport_MQTT_Common_Register: Both deviceKey and deviceSasToken are defined. Only one can be used.");
AzureIoTClient 11:31ebaeb51e1e 2850 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2851 }
AzureIoTClient 11:31ebaeb51e1e 2852 else
AzureIoTClient 11:31ebaeb51e1e 2853 {
AzureIoTClient 12:658ca6865de2 2854 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_003: [ IoTHubTransport_MQTT_Common_Register shall return NULL if deviceId or deviceKey do not match the deviceId and deviceKey passed in during IoTHubTransport_MQTT_Common_Create.]
AzureIoTClient 11:31ebaeb51e1e 2855 if (strcmp(STRING_c_str(transport_data->device_id), device->deviceId) != 0)
AzureIoTClient 11:31ebaeb51e1e 2856 {
AzureIoTClient 12:658ca6865de2 2857 LogError("IoTHubTransport_MQTT_Common_Register: deviceId does not match.");
AzureIoTClient 11:31ebaeb51e1e 2858 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2859 }
AzureIoTClient 21:167f8fcf6fb1 2860 else if (IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module) == IOTHUB_CREDENTIAL_TYPE_DEVICE_KEY &&
AzureIoTClient 21:167f8fcf6fb1 2861 (strcmp(IoTHubClient_Auth_Get_DeviceKey(transport_data->authorization_module), device->deviceKey) != 0))
AzureIoTClient 11:31ebaeb51e1e 2862 {
AzureIoTClient 12:658ca6865de2 2863 LogError("IoTHubTransport_MQTT_Common_Register: deviceKey does not match.");
AzureIoTClient 11:31ebaeb51e1e 2864 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2865 }
AzureIoTClient 11:31ebaeb51e1e 2866 else
AzureIoTClient 11:31ebaeb51e1e 2867 {
AzureIoTClient 11:31ebaeb51e1e 2868 if (transport_data->isRegistered == true)
AzureIoTClient 11:31ebaeb51e1e 2869 {
AzureIoTClient 11:31ebaeb51e1e 2870 LogError("Transport already has device registered by id: [%s]", device->deviceId);
AzureIoTClient 11:31ebaeb51e1e 2871 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2872 }
AzureIoTClient 11:31ebaeb51e1e 2873 else
AzureIoTClient 11:31ebaeb51e1e 2874 {
AzureIoTClient 11:31ebaeb51e1e 2875 transport_data->isRegistered = true;
AzureIoTClient 12:658ca6865de2 2876 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_004: [ IoTHubTransport_MQTT_Common_Register shall return the TRANSPORT_LL_HANDLE as the IOTHUB_DEVICE_HANDLE. ]
AzureIoTClient 11:31ebaeb51e1e 2877 result = (IOTHUB_DEVICE_HANDLE)handle;
AzureIoTClient 11:31ebaeb51e1e 2878 }
AzureIoTClient 11:31ebaeb51e1e 2879 }
AzureIoTClient 11:31ebaeb51e1e 2880 }
AzureIoTClient 11:31ebaeb51e1e 2881 }
AzureIoTClient 11:31ebaeb51e1e 2882
AzureIoTClient 11:31ebaeb51e1e 2883 return result;
AzureIoTClient 11:31ebaeb51e1e 2884 }
AzureIoTClient 11:31ebaeb51e1e 2885
AzureIoTClient 11:31ebaeb51e1e 2886 void IoTHubTransport_MQTT_Common_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
AzureIoTClient 11:31ebaeb51e1e 2887 {
AzureIoTClient 14:4dc2b011be33 2888 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_005: [ If deviceHandle is NULL `IoTHubTransport_MQTT_Common_Unregister` shall do nothing. ]
AzureIoTClient 11:31ebaeb51e1e 2889 if (deviceHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2890 {
AzureIoTClient 11:31ebaeb51e1e 2891 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)deviceHandle;
AzureIoTClient 11:31ebaeb51e1e 2892
AzureIoTClient 11:31ebaeb51e1e 2893 transport_data->isRegistered = false;
AzureIoTClient 11:31ebaeb51e1e 2894 }
AzureIoTClient 11:31ebaeb51e1e 2895 }
AzureIoTClient 11:31ebaeb51e1e 2896
AzureIoTClient 11:31ebaeb51e1e 2897 STRING_HANDLE IoTHubTransport_MQTT_Common_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2898 {
AzureIoTClient 11:31ebaeb51e1e 2899 STRING_HANDLE result;
AzureIoTClient 12:658ca6865de2 2900 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_001: [ If handle is NULL then IoTHubTransport_MQTT_Common_GetHostname shall fail and return NULL. ]*/
AzureIoTClient 11:31ebaeb51e1e 2901 if (handle == NULL)
AzureIoTClient 11:31ebaeb51e1e 2902 {
AzureIoTClient 11:31ebaeb51e1e 2903 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2904 }
AzureIoTClient 22:07fec4d325b6 2905 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_002: [ Otherwise IoTHubTransport_MQTT_Common_GetHostname shall return a non-NULL STRING_HANDLE containg the hostname. ]*/
AzureIoTClient 22:07fec4d325b6 2906 else if ((result = STRING_clone(((MQTTTRANSPORT_HANDLE_DATA*)(handle))->hostAddress)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 2907 {
AzureIoTClient 22:07fec4d325b6 2908 LogError("Cannot provide the target host name (STRING_clone failed).");
AzureIoTClient 11:31ebaeb51e1e 2909 }
AzureIoTClient 22:07fec4d325b6 2910
AzureIoTClient 11:31ebaeb51e1e 2911 return result;
AzureIoTClient 11:31ebaeb51e1e 2912 }
AzureIoTClient 19:f87dfe76bc70 2913
AzureIoTClient 19:f87dfe76bc70 2914 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
AzureIoTClient 19:f87dfe76bc70 2915 {
AzureIoTClient 19:f87dfe76bc70 2916 (void)disposition;
AzureIoTClient 19:f87dfe76bc70 2917
AzureIoTClient 19:f87dfe76bc70 2918 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 19:f87dfe76bc70 2919 if (message_data)
AzureIoTClient 19:f87dfe76bc70 2920 {
AzureIoTClient 19:f87dfe76bc70 2921 if (message_data->messageHandle)
AzureIoTClient 19:f87dfe76bc70 2922 {
AzureIoTClient 19:f87dfe76bc70 2923 IoTHubMessage_Destroy(message_data->messageHandle);
AzureIoTClient 19:f87dfe76bc70 2924 result = IOTHUB_CLIENT_OK;
AzureIoTClient 19:f87dfe76bc70 2925 }
AzureIoTClient 19:f87dfe76bc70 2926 else
AzureIoTClient 19:f87dfe76bc70 2927 {
AzureIoTClient 19:f87dfe76bc70 2928 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_002: [If any of the messageData fields are NULL, IoTHubTransport_MQTT_Common_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR. ]*/
AzureIoTClient 19:f87dfe76bc70 2929 LogError("message handle is NULL");
AzureIoTClient 19:f87dfe76bc70 2930 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 2931 }
AzureIoTClient 19:f87dfe76bc70 2932 free(message_data);
AzureIoTClient 19:f87dfe76bc70 2933 }
AzureIoTClient 19:f87dfe76bc70 2934 else
AzureIoTClient 19:f87dfe76bc70 2935 {
AzureIoTClient 19:f87dfe76bc70 2936 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_001: [If messageData is NULL, IoTHubTransport_MQTT_Common_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR. ]*/
AzureIoTClient 19:f87dfe76bc70 2937 LogError("message_data is NULL");
AzureIoTClient 19:f87dfe76bc70 2938 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 2939 }
AzureIoTClient 19:f87dfe76bc70 2940 return result;
AzureIoTClient 19:f87dfe76bc70 2941 }
AzureIoTClient 19:f87dfe76bc70 2942