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@36:3b9944257dd5, 2018-03-05 (annotated)

Committer:
AzureIoTClient
Date:
Mon Mar 05 17:40:20 2018 -0800
Revision:
36:3b9944257dd5
Parent:
35:c56b7cfcb90b
Child:
37:e6a799428f3d
1.2.0

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 = "$iothub/methods/POST/#";
AzureIoTClient 12:658ca6865de2 65
AzureIoTClient 12:658ca6865de2 66 static const char* IOTHUB_API_VERSION = "2016-11-14";
AzureIoTClient 12:658ca6865de2 67
AzureIoTClient 11:31ebaeb51e1e 68 static const char* PROPERTY_SEPARATOR = "&";
AzureIoTClient 12:658ca6865de2 69 static const char* REPORTED_PROPERTIES_TOPIC = "$iothub/twin/PATCH/properties/reported/?$rid=%"PRIu16;
AzureIoTClient 12:658ca6865de2 70 static const char* GET_PROPERTIES_TOPIC = "$iothub/twin/GET/?$rid=%"PRIu16;
AzureIoTClient 14:4dc2b011be33 71 static const char* DEVICE_METHOD_RESPONSE_TOPIC = "$iothub/methods/res/%d/?$rid=%s";
AzureIoTClient 12:658ca6865de2 72
AzureIoTClient 12:658ca6865de2 73 static const char* REQUEST_ID_PROPERTY = "?$rid=";
AzureIoTClient 11:31ebaeb51e1e 74
AzureIoTClient 18:ec8e5e97c6a4 75 static const char* MESSAGE_ID_PROPERTY = "mid";
AzureIoTClient 18:ec8e5e97c6a4 76 static const char* CORRELATION_ID_PROPERTY = "cid";
AzureIoTClient 27:04de3c0bf1db 77 static const char* CONTENT_TYPE_PROPERTY = "ct";
AzureIoTClient 27:04de3c0bf1db 78 static const char* CONTENT_ENCODING_PROPERTY = "ce";
AzureIoTClient 30:52ff609606c8 79 static const char* DIAGNOSTIC_ID_PROPERTY = "diagid";
AzureIoTClient 30:52ff609606c8 80 static const char* DIAGNOSTIC_CONTEXT_PROPERTY = "diagctx";
AzureIoTClient 30:52ff609606c8 81
AzureIoTClient 30:52ff609606c8 82 static const char* DIAGNOSTIC_CONTEXT_CREATION_TIME_UTC_PROPERTY = "creationtimeutc";
AzureIoTClient 18:ec8e5e97c6a4 83
AzureIoTClient 11:31ebaeb51e1e 84 #define UNSUBSCRIBE_FROM_TOPIC 0x0000
AzureIoTClient 12:658ca6865de2 85 #define SUBSCRIBE_GET_REPORTED_STATE_TOPIC 0x0001
AzureIoTClient 12:658ca6865de2 86 #define SUBSCRIBE_NOTIFICATION_STATE_TOPIC 0x0002
AzureIoTClient 11:31ebaeb51e1e 87 #define SUBSCRIBE_TELEMETRY_TOPIC 0x0004
AzureIoTClient 12:658ca6865de2 88 #define SUBSCRIBE_METHODS_TOPIC 0x0008
AzureIoTClient 12:658ca6865de2 89 #define SUBSCRIBE_DEVICE_METHOD_TOPIC 0x0010
AzureIoTClient 12:658ca6865de2 90 #define SUBSCRIBE_TOPIC_COUNT 4
AzureIoTClient 11:31ebaeb51e1e 91
AzureIoTClient 17:774695cb8554 92 DEFINE_ENUM_STRINGS(MQTT_CLIENT_EVENT_ERROR, MQTT_CLIENT_EVENT_ERROR_VALUES)
AzureIoTClient 17:774695cb8554 93
AzureIoTClient 11:31ebaeb51e1e 94 typedef struct SYSTEM_PROPERTY_INFO_TAG
AzureIoTClient 11:31ebaeb51e1e 95 {
AzureIoTClient 11:31ebaeb51e1e 96 const char* propName;
AzureIoTClient 11:31ebaeb51e1e 97 size_t propLength;
AzureIoTClient 11:31ebaeb51e1e 98 } SYSTEM_PROPERTY_INFO;
AzureIoTClient 11:31ebaeb51e1e 99
AzureIoTClient 11:31ebaeb51e1e 100 static SYSTEM_PROPERTY_INFO sysPropList[] = {
AzureIoTClient 11:31ebaeb51e1e 101 { "%24.exp", 7 },
AzureIoTClient 11:31ebaeb51e1e 102 { "%24.mid", 7 },
AzureIoTClient 11:31ebaeb51e1e 103 { "%24.uid", 7 },
AzureIoTClient 11:31ebaeb51e1e 104 { "%24.to", 6 },
AzureIoTClient 11:31ebaeb51e1e 105 { "%24.cid", 7 },
AzureIoTClient 27:04de3c0bf1db 106 { "%24.ct", 6 },
AzureIoTClient 27:04de3c0bf1db 107 { "%24.ce", 6 },
AzureIoTClient 11:31ebaeb51e1e 108 { "devices/", 8 },
AzureIoTClient 11:31ebaeb51e1e 109 { "iothub-operation", 16 },
AzureIoTClient 11:31ebaeb51e1e 110 { "iothub-ack", 10 }
AzureIoTClient 11:31ebaeb51e1e 111 };
AzureIoTClient 11:31ebaeb51e1e 112
AzureIoTClient 12:658ca6865de2 113 typedef enum DEVICE_TWIN_MSG_TYPE_TAG
AzureIoTClient 12:658ca6865de2 114 {
AzureIoTClient 12:658ca6865de2 115 REPORTED_STATE,
AzureIoTClient 12:658ca6865de2 116 RETRIEVE_PROPERTIES
AzureIoTClient 12:658ca6865de2 117 } DEVICE_TWIN_MSG_TYPE;
AzureIoTClient 12:658ca6865de2 118
AzureIoTClient 11:31ebaeb51e1e 119 typedef enum MQTT_TRANSPORT_CREDENTIAL_TYPE_TAG
AzureIoTClient 11:31ebaeb51e1e 120 {
AzureIoTClient 11:31ebaeb51e1e 121 CREDENTIAL_NOT_BUILD,
AzureIoTClient 11:31ebaeb51e1e 122 X509,
AzureIoTClient 11:31ebaeb51e1e 123 SAS_TOKEN_FROM_USER,
AzureIoTClient 11:31ebaeb51e1e 124 DEVICE_KEY,
AzureIoTClient 11:31ebaeb51e1e 125 } MQTT_TRANSPORT_CREDENTIAL_TYPE;
AzureIoTClient 11:31ebaeb51e1e 126
AzureIoTClient 20:594780be216d 127 typedef enum MQTT_CLIENT_STATUS_TAG
AzureIoTClient 20:594780be216d 128 {
AzureIoTClient 21:167f8fcf6fb1 129 MQTT_CLIENT_STATUS_NOT_CONNECTED,
AzureIoTClient 21:167f8fcf6fb1 130 MQTT_CLIENT_STATUS_CONNECTING,
AzureIoTClient 33:b7dfb208ef0a 131 MQTT_CLIENT_STATUS_CONNECTED,
AzureIoTClient 33:b7dfb208ef0a 132 MQTT_CLIENT_STATUS_PENDING_CLOSE
AzureIoTClient 20:594780be216d 133 } MQTT_CLIENT_STATUS;
AzureIoTClient 20:594780be216d 134
AzureIoTClient 11:31ebaeb51e1e 135 typedef struct MQTTTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient 11:31ebaeb51e1e 136 {
AzureIoTClient 11:31ebaeb51e1e 137 // Topic control
AzureIoTClient 11:31ebaeb51e1e 138 STRING_HANDLE topic_MqttEvent;
AzureIoTClient 11:31ebaeb51e1e 139 STRING_HANDLE topic_MqttMessage;
AzureIoTClient 12:658ca6865de2 140 STRING_HANDLE topic_GetState;
AzureIoTClient 12:658ca6865de2 141 STRING_HANDLE topic_NotifyState;
AzureIoTClient 12:658ca6865de2 142
AzureIoTClient 12:658ca6865de2 143 STRING_HANDLE topic_DeviceMethods;
AzureIoTClient 11:31ebaeb51e1e 144
AzureIoTClient 11:31ebaeb51e1e 145 uint32_t topics_ToSubscribe;
AzureIoTClient 12:658ca6865de2 146
AzureIoTClient 11:31ebaeb51e1e 147 // Connection related constants
AzureIoTClient 11:31ebaeb51e1e 148 STRING_HANDLE hostAddress;
AzureIoTClient 11:31ebaeb51e1e 149 STRING_HANDLE device_id;
AzureIoTClient 11:31ebaeb51e1e 150 STRING_HANDLE devicesPath;
AzureIoTClient 11:31ebaeb51e1e 151 int portNum;
AzureIoTClient 11:31ebaeb51e1e 152
AzureIoTClient 11:31ebaeb51e1e 153 MQTT_GET_IO_TRANSPORT get_io_transport;
AzureIoTClient 11:31ebaeb51e1e 154
AzureIoTClient 11:31ebaeb51e1e 155 // 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 156 // passed through the username portion of the connection frame.
AzureIoTClient 11:31ebaeb51e1e 157 // The second segment will contain the device id. The two segments are delemited by a "/".
AzureIoTClient 11:31ebaeb51e1e 158 // The first segment can be a maximum 256 characters.
AzureIoTClient 11:31ebaeb51e1e 159 // The second segment can be a maximum 128 characters.
AzureIoTClient 11:31ebaeb51e1e 160 // With the / delimeter you have 384 chars (Plus a terminator of 0).
AzureIoTClient 11:31ebaeb51e1e 161 STRING_HANDLE configPassedThroughUsername;
AzureIoTClient 11:31ebaeb51e1e 162
AzureIoTClient 11:31ebaeb51e1e 163 // Upper layer
AzureIoTClient 11:31ebaeb51e1e 164 IOTHUB_CLIENT_LL_HANDLE llClientHandle;
AzureIoTClient 11:31ebaeb51e1e 165
AzureIoTClient 11:31ebaeb51e1e 166 // Protocol
AzureIoTClient 11:31ebaeb51e1e 167 MQTT_CLIENT_HANDLE mqttClient;
AzureIoTClient 11:31ebaeb51e1e 168 XIO_HANDLE xioTransport;
AzureIoTClient 11:31ebaeb51e1e 169
AzureIoTClient 11:31ebaeb51e1e 170 // Session - connection
AzureIoTClient 11:31ebaeb51e1e 171 uint16_t packetId;
AzureIoTClient 11:31ebaeb51e1e 172
AzureIoTClient 11:31ebaeb51e1e 173 // Connection state control
AzureIoTClient 11:31ebaeb51e1e 174 bool isRegistered;
AzureIoTClient 20:594780be216d 175 MQTT_CLIENT_STATUS mqttClientStatus;
AzureIoTClient 11:31ebaeb51e1e 176 bool isDestroyCalled;
AzureIoTClient 12:658ca6865de2 177 bool device_twin_get_sent;
AzureIoTClient 12:658ca6865de2 178 bool isRecoverableError;
AzureIoTClient 11:31ebaeb51e1e 179 uint16_t keepAliveValue;
AzureIoTClient 32:103a46ed8822 180 uint16_t connect_timeout_in_sec;
Azure.IoT.Build 13:606465879c57 181 tickcounter_ms_t mqtt_connect_time;
AzureIoTClient 11:31ebaeb51e1e 182 size_t connectFailCount;
Azure.IoT.Build 13:606465879c57 183 tickcounter_ms_t connectTick;
AzureIoTClient 11:31ebaeb51e1e 184 bool log_trace;
AzureIoTClient 11:31ebaeb51e1e 185 bool raw_trace;
Azure.IoT.Build 13:606465879c57 186 TICK_COUNTER_HANDLE msgTickCounter;
AzureIoTClient 29:923be0c3998a 187 OPTIONHANDLER_HANDLE saved_tls_options; // Here are the options from the xio layer if any is saved.
AzureIoTClient 29:923be0c3998a 188 size_t option_sas_token_lifetime_secs;
AzureIoTClient 11:31ebaeb51e1e 189
AzureIoTClient 11:31ebaeb51e1e 190 // Internal lists for message tracking
AzureIoTClient 11:31ebaeb51e1e 191 PDLIST_ENTRY waitingToSend;
AzureIoTClient 12:658ca6865de2 192 DLIST_ENTRY ack_waiting_queue;
AzureIoTClient 12:658ca6865de2 193
AzureIoTClient 11:31ebaeb51e1e 194 // Message tracking
AzureIoTClient 11:31ebaeb51e1e 195 CONTROL_PACKET_TYPE currPacketState;
AzureIoTClient 11:31ebaeb51e1e 196
AzureIoTClient 11:31ebaeb51e1e 197 // Telemetry specific
AzureIoTClient 11:31ebaeb51e1e 198 DLIST_ENTRY telemetry_waitingForAck;
AzureIoTClient 12:658ca6865de2 199
AzureIoTClient 25:a35763780a87 200 // Controls frequency of reconnection logic.
AzureIoTClient 25:a35763780a87 201 RETRY_CONTROL_HANDLE retry_control_handle;
AzureIoTClient 20:594780be216d 202
AzureIoTClient 21:167f8fcf6fb1 203 // Auth module used to generating handle authorization
AzureIoTClient 21:167f8fcf6fb1 204 // with either SAS Token, x509 Certs, and Device SAS Token
AzureIoTClient 21:167f8fcf6fb1 205 IOTHUB_AUTHORIZATION_HANDLE authorization_module;
AzureIoTClient 21:167f8fcf6fb1 206
AzureIoTClient 20:594780be216d 207 char* http_proxy_hostname;
AzureIoTClient 20:594780be216d 208 int http_proxy_port;
AzureIoTClient 20:594780be216d 209 char* http_proxy_username;
AzureIoTClient 20:594780be216d 210 char* http_proxy_password;
AzureIoTClient 24:4096249decf1 211 bool isProductInfoSet;
AzureIoTClient 11:31ebaeb51e1e 212 } MQTTTRANSPORT_HANDLE_DATA, *PMQTTTRANSPORT_HANDLE_DATA;
AzureIoTClient 11:31ebaeb51e1e 213
AzureIoTClient 12:658ca6865de2 214 typedef struct MQTT_DEVICE_TWIN_ITEM_TAG
AzureIoTClient 12:658ca6865de2 215 {
Azure.IoT.Build 13:606465879c57 216 tickcounter_ms_t msgPublishTime;
AzureIoTClient 12:658ca6865de2 217 size_t retryCount;
AzureIoTClient 12:658ca6865de2 218 IOTHUB_IDENTITY_TYPE iothub_type;
AzureIoTClient 12:658ca6865de2 219 uint16_t packet_id;
AzureIoTClient 12:658ca6865de2 220 uint32_t iothub_msg_id;
AzureIoTClient 12:658ca6865de2 221 IOTHUB_DEVICE_TWIN* device_twin_data;
AzureIoTClient 12:658ca6865de2 222 DEVICE_TWIN_MSG_TYPE device_twin_msg_type;
AzureIoTClient 12:658ca6865de2 223 DLIST_ENTRY entry;
AzureIoTClient 12:658ca6865de2 224 } MQTT_DEVICE_TWIN_ITEM;
AzureIoTClient 12:658ca6865de2 225
AzureIoTClient 11:31ebaeb51e1e 226 typedef struct MQTT_MESSAGE_DETAILS_LIST_TAG
AzureIoTClient 11:31ebaeb51e1e 227 {
Azure.IoT.Build 13:606465879c57 228 tickcounter_ms_t msgPublishTime;
AzureIoTClient 11:31ebaeb51e1e 229 size_t retryCount;
AzureIoTClient 11:31ebaeb51e1e 230 IOTHUB_MESSAGE_LIST* iotHubMessageEntry;
AzureIoTClient 11:31ebaeb51e1e 231 void* context;
AzureIoTClient 11:31ebaeb51e1e 232 uint16_t packet_id;
AzureIoTClient 11:31ebaeb51e1e 233 DLIST_ENTRY entry;
AzureIoTClient 11:31ebaeb51e1e 234 } MQTT_MESSAGE_DETAILS_LIST, *PMQTT_MESSAGE_DETAILS_LIST;
AzureIoTClient 11:31ebaeb51e1e 235
AzureIoTClient 14:4dc2b011be33 236 typedef struct DEVICE_METHOD_INFO_TAG
AzureIoTClient 14:4dc2b011be33 237 {
AzureIoTClient 14:4dc2b011be33 238 STRING_HANDLE request_id;
AzureIoTClient 14:4dc2b011be33 239 } DEVICE_METHOD_INFO;
AzureIoTClient 14:4dc2b011be33 240
AzureIoTClient 20:594780be216d 241 static void free_proxy_data(MQTTTRANSPORT_HANDLE_DATA* mqtt_transport_instance)
AzureIoTClient 20:594780be216d 242 {
AzureIoTClient 20:594780be216d 243 if (mqtt_transport_instance->http_proxy_hostname != NULL)
AzureIoTClient 20:594780be216d 244 {
AzureIoTClient 20:594780be216d 245 free(mqtt_transport_instance->http_proxy_hostname);
AzureIoTClient 20:594780be216d 246 mqtt_transport_instance->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 247 }
AzureIoTClient 20:594780be216d 248
AzureIoTClient 20:594780be216d 249 if (mqtt_transport_instance->http_proxy_username != NULL)
AzureIoTClient 20:594780be216d 250 {
AzureIoTClient 20:594780be216d 251 free(mqtt_transport_instance->http_proxy_username);
AzureIoTClient 20:594780be216d 252 mqtt_transport_instance->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 253 }
AzureIoTClient 20:594780be216d 254
AzureIoTClient 20:594780be216d 255 if (mqtt_transport_instance->http_proxy_password != NULL)
AzureIoTClient 20:594780be216d 256 {
AzureIoTClient 20:594780be216d 257 free(mqtt_transport_instance->http_proxy_password);
AzureIoTClient 20:594780be216d 258 mqtt_transport_instance->http_proxy_password = NULL;
AzureIoTClient 20:594780be216d 259 }
AzureIoTClient 20:594780be216d 260 }
AzureIoTClient 20:594780be216d 261
AzureIoTClient 28:0cd355c3294e 262 static void set_saved_tls_options(PMQTTTRANSPORT_HANDLE_DATA transport, OPTIONHANDLER_HANDLE new_options)
AzureIoTClient 28:0cd355c3294e 263 {
AzureIoTClient 28:0cd355c3294e 264 if (transport->saved_tls_options != NULL)
AzureIoTClient 28:0cd355c3294e 265 {
AzureIoTClient 28:0cd355c3294e 266 OptionHandler_Destroy(transport->saved_tls_options);
AzureIoTClient 28:0cd355c3294e 267 }
AzureIoTClient 28:0cd355c3294e 268 transport->saved_tls_options = new_options;
AzureIoTClient 28:0cd355c3294e 269 }
AzureIoTClient 28:0cd355c3294e 270
AzureIoTClient 31:d6198e67d1eb 271 static void free_transport_handle_data(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 31:d6198e67d1eb 272 {
AzureIoTClient 31:d6198e67d1eb 273 if (transport_data->mqttClient != NULL)
AzureIoTClient 31:d6198e67d1eb 274 {
AzureIoTClient 31:d6198e67d1eb 275 mqtt_client_deinit(transport_data->mqttClient);
AzureIoTClient 31:d6198e67d1eb 276 }
AzureIoTClient 31:d6198e67d1eb 277
AzureIoTClient 31:d6198e67d1eb 278 if (transport_data->retry_control_handle != NULL)
AzureIoTClient 31:d6198e67d1eb 279 {
AzureIoTClient 31:d6198e67d1eb 280 retry_control_destroy(transport_data->retry_control_handle);
AzureIoTClient 31:d6198e67d1eb 281 }
AzureIoTClient 31:d6198e67d1eb 282
AzureIoTClient 31:d6198e67d1eb 283 set_saved_tls_options(transport_data, NULL);
AzureIoTClient 31:d6198e67d1eb 284
AzureIoTClient 31:d6198e67d1eb 285 tickcounter_destroy(transport_data->msgTickCounter);
AzureIoTClient 31:d6198e67d1eb 286
AzureIoTClient 31:d6198e67d1eb 287 free_proxy_data(transport_data);
AzureIoTClient 31:d6198e67d1eb 288
AzureIoTClient 31:d6198e67d1eb 289 STRING_delete(transport_data->devicesPath);
AzureIoTClient 31:d6198e67d1eb 290 STRING_delete(transport_data->topic_MqttEvent);
AzureIoTClient 31:d6198e67d1eb 291 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 31:d6198e67d1eb 292 STRING_delete(transport_data->device_id);
AzureIoTClient 31:d6198e67d1eb 293 STRING_delete(transport_data->hostAddress);
AzureIoTClient 31:d6198e67d1eb 294 STRING_delete(transport_data->configPassedThroughUsername);
AzureIoTClient 31:d6198e67d1eb 295 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 31:d6198e67d1eb 296 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 31:d6198e67d1eb 297 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 31:d6198e67d1eb 298
AzureIoTClient 31:d6198e67d1eb 299 free(transport_data);
AzureIoTClient 31:d6198e67d1eb 300 }
AzureIoTClient 31:d6198e67d1eb 301
AzureIoTClient 25:a35763780a87 302 int IoTHubTransport_MQTT_Common_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient 12:658ca6865de2 303 {
AzureIoTClient 12:658ca6865de2 304 int result;
AzureIoTClient 12:658ca6865de2 305
AzureIoTClient 25:a35763780a87 306 if (handle == NULL)
AzureIoTClient 12:658ca6865de2 307 {
AzureIoTClient 12:658ca6865de2 308 /* 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 309 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 310 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 311 }
AzureIoTClient 12:658ca6865de2 312 else
AzureIoTClient 12:658ca6865de2 313 {
AzureIoTClient 25:a35763780a87 314 RETRY_CONTROL_HANDLE new_retry_control_handle;
AzureIoTClient 25:a35763780a87 315
AzureIoTClient 25:a35763780a87 316 // 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 317 // 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 318 if ((new_retry_control_handle = retry_control_create(retryPolicy, (unsigned int)retryTimeoutLimitInSeconds)) == NULL)
AzureIoTClient 12:658ca6865de2 319 {
AzureIoTClient 25:a35763780a87 320 LogError("Failed creating new retry control handle");
AzureIoTClient 25:a35763780a87 321 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 322 }
AzureIoTClient 12:658ca6865de2 323 else
AzureIoTClient 12:658ca6865de2 324 {
AzureIoTClient 25:a35763780a87 325 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 25:a35763780a87 326 RETRY_CONTROL_HANDLE previous_retry_control_handle = transport_data->retry_control_handle;
AzureIoTClient 25:a35763780a87 327
AzureIoTClient 25:a35763780a87 328 transport_data->retry_control_handle = new_retry_control_handle;
AzureIoTClient 25:a35763780a87 329 retry_control_destroy(previous_retry_control_handle);
AzureIoTClient 25:a35763780a87 330
AzureIoTClient 25:a35763780a87 331 /*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 332 result = 0;
AzureIoTClient 12:658ca6865de2 333 }
AzureIoTClient 12:658ca6865de2 334 }
AzureIoTClient 25:a35763780a87 335
AzureIoTClient 12:658ca6865de2 336 return result;
AzureIoTClient 12:658ca6865de2 337 }
AzureIoTClient 12:658ca6865de2 338
AzureIoTClient 11:31ebaeb51e1e 339 static uint16_t get_next_packet_id(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 340 {
AzureIoTClient 11:31ebaeb51e1e 341 if (transport_data->packetId+1 >= USHRT_MAX)
AzureIoTClient 11:31ebaeb51e1e 342 {
AzureIoTClient 11:31ebaeb51e1e 343 transport_data->packetId = 1;
AzureIoTClient 11:31ebaeb51e1e 344 }
AzureIoTClient 11:31ebaeb51e1e 345 else
AzureIoTClient 11:31ebaeb51e1e 346 {
AzureIoTClient 11:31ebaeb51e1e 347 transport_data->packetId++;
AzureIoTClient 11:31ebaeb51e1e 348 }
AzureIoTClient 11:31ebaeb51e1e 349 return transport_data->packetId;
AzureIoTClient 11:31ebaeb51e1e 350 }
AzureIoTClient 11:31ebaeb51e1e 351
AzureIoTClient 11:31ebaeb51e1e 352 static const char* retrieve_mqtt_return_codes(CONNECT_RETURN_CODE rtn_code)
AzureIoTClient 11:31ebaeb51e1e 353 {
AzureIoTClient 11:31ebaeb51e1e 354 switch (rtn_code)
AzureIoTClient 11:31ebaeb51e1e 355 {
AzureIoTClient 11:31ebaeb51e1e 356 case CONNECTION_ACCEPTED:
AzureIoTClient 11:31ebaeb51e1e 357 return "Accepted";
AzureIoTClient 11:31ebaeb51e1e 358 case CONN_REFUSED_UNACCEPTABLE_VERSION:
AzureIoTClient 11:31ebaeb51e1e 359 return "Unacceptable Version";
AzureIoTClient 11:31ebaeb51e1e 360 case CONN_REFUSED_ID_REJECTED:
AzureIoTClient 11:31ebaeb51e1e 361 return "Id Rejected";
AzureIoTClient 11:31ebaeb51e1e 362 case CONN_REFUSED_SERVER_UNAVAIL:
AzureIoTClient 11:31ebaeb51e1e 363 return "Server Unavailable";
AzureIoTClient 11:31ebaeb51e1e 364 case CONN_REFUSED_BAD_USERNAME_PASSWORD:
AzureIoTClient 11:31ebaeb51e1e 365 return "Bad Username/Password";
AzureIoTClient 11:31ebaeb51e1e 366 case CONN_REFUSED_NOT_AUTHORIZED:
AzureIoTClient 11:31ebaeb51e1e 367 return "Not Authorized";
AzureIoTClient 11:31ebaeb51e1e 368 case CONN_REFUSED_UNKNOWN:
AzureIoTClient 11:31ebaeb51e1e 369 default:
AzureIoTClient 11:31ebaeb51e1e 370 return "Unknown";
AzureIoTClient 11:31ebaeb51e1e 371 }
AzureIoTClient 11:31ebaeb51e1e 372 }
AzureIoTClient 11:31ebaeb51e1e 373
AzureIoTClient 14:4dc2b011be33 374 static int retrieve_device_method_rid_info(const char* resp_topic, STRING_HANDLE method_name, STRING_HANDLE request_id)
AzureIoTClient 12:658ca6865de2 375 {
AzureIoTClient 12:658ca6865de2 376 int result;
AzureIoTClient 12:658ca6865de2 377 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 378 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 379 {
AzureIoTClient 12:658ca6865de2 380 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 381 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 382 }
AzureIoTClient 12:658ca6865de2 383 else
AzureIoTClient 12:658ca6865de2 384 {
AzureIoTClient 12:658ca6865de2 385 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 386 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 387 {
AzureIoTClient 12:658ca6865de2 388 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 389 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 390 }
AzureIoTClient 12:658ca6865de2 391 else
AzureIoTClient 12:658ca6865de2 392 {
AzureIoTClient 12:658ca6865de2 393 size_t token_index = 0;
AzureIoTClient 12:658ca6865de2 394 size_t request_id_length = strlen(REQUEST_ID_PROPERTY);
AzureIoTClient 18:ec8e5e97c6a4 395 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 396 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 397 {
AzureIoTClient 12:658ca6865de2 398 if (token_index == 3)
AzureIoTClient 12:658ca6865de2 399 {
AzureIoTClient 12:658ca6865de2 400 if (STRING_concat_with_STRING(method_name, token_value) != 0)
AzureIoTClient 12:658ca6865de2 401 {
AzureIoTClient 14:4dc2b011be33 402 LogError("Failed STRING_concat_with_STRING.");
AzureIoTClient 18:ec8e5e97c6a4 403 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 404 break;
AzureIoTClient 12:658ca6865de2 405 }
AzureIoTClient 12:658ca6865de2 406 }
AzureIoTClient 12:658ca6865de2 407 else if (token_index == 4)
AzureIoTClient 12:658ca6865de2 408 {
AzureIoTClient 12:658ca6865de2 409 if (STRING_length(token_value) >= request_id_length)
AzureIoTClient 12:658ca6865de2 410 {
AzureIoTClient 12:658ca6865de2 411 const char* request_id_value = STRING_c_str(token_value);
AzureIoTClient 12:658ca6865de2 412 if (memcmp(request_id_value, REQUEST_ID_PROPERTY, request_id_length) == 0)
AzureIoTClient 12:658ca6865de2 413 {
AzureIoTClient 14:4dc2b011be33 414 if (STRING_concat(request_id, request_id_value+request_id_length) != 0)
AzureIoTClient 14:4dc2b011be33 415 {
AzureIoTClient 14:4dc2b011be33 416 LogError("Failed STRING_concat failed.");
AzureIoTClient 18:ec8e5e97c6a4 417 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 418 }
AzureIoTClient 14:4dc2b011be33 419 else
AzureIoTClient 14:4dc2b011be33 420 {
AzureIoTClient 14:4dc2b011be33 421 result = 0;
AzureIoTClient 14:4dc2b011be33 422 }
AzureIoTClient 12:658ca6865de2 423 break;
AzureIoTClient 12:658ca6865de2 424 }
AzureIoTClient 12:658ca6865de2 425 }
AzureIoTClient 12:658ca6865de2 426 }
AzureIoTClient 12:658ca6865de2 427 token_index++;
AzureIoTClient 12:658ca6865de2 428 }
AzureIoTClient 12:658ca6865de2 429 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 430 }
AzureIoTClient 12:658ca6865de2 431 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 432 }
AzureIoTClient 12:658ca6865de2 433 return result;
AzureIoTClient 12:658ca6865de2 434 }
AzureIoTClient 12:658ca6865de2 435
AzureIoTClient 12:658ca6865de2 436 static int parse_device_twin_topic_info(const char* resp_topic, bool* patch_msg, size_t* request_id, int* status_code)
AzureIoTClient 12:658ca6865de2 437 {
AzureIoTClient 12:658ca6865de2 438 int result;
AzureIoTClient 12:658ca6865de2 439 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 440 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 441 {
AzureIoTClient 12:658ca6865de2 442 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 443 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 444 *status_code = 0;
AzureIoTClient 12:658ca6865de2 445 *request_id = 0;
AzureIoTClient 12:658ca6865de2 446 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 447 }
AzureIoTClient 12:658ca6865de2 448 else
AzureIoTClient 12:658ca6865de2 449 {
AzureIoTClient 12:658ca6865de2 450 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 451 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 452 {
AzureIoTClient 12:658ca6865de2 453 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 454 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 455 *status_code = 0;
AzureIoTClient 12:658ca6865de2 456 *request_id = 0;
AzureIoTClient 12:658ca6865de2 457 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 458 }
AzureIoTClient 12:658ca6865de2 459 else
AzureIoTClient 12:658ca6865de2 460 {
AzureIoTClient 18:ec8e5e97c6a4 461 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 462 size_t token_count = 0;
AzureIoTClient 12:658ca6865de2 463 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 464 {
AzureIoTClient 12:658ca6865de2 465 if (token_count == 2)
AzureIoTClient 12:658ca6865de2 466 {
AzureIoTClient 12:658ca6865de2 467 if (strcmp(STRING_c_str(token_value), "PATCH") == 0)
AzureIoTClient 12:658ca6865de2 468 {
AzureIoTClient 12:658ca6865de2 469 *patch_msg = true;
AzureIoTClient 12:658ca6865de2 470 *status_code = 0;
AzureIoTClient 12:658ca6865de2 471 *request_id = 0;
AzureIoTClient 12:658ca6865de2 472 result = 0;
AzureIoTClient 12:658ca6865de2 473 break;
AzureIoTClient 12:658ca6865de2 474 }
AzureIoTClient 12:658ca6865de2 475 else
AzureIoTClient 12:658ca6865de2 476 {
AzureIoTClient 12:658ca6865de2 477 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 478 }
AzureIoTClient 12:658ca6865de2 479 }
AzureIoTClient 12:658ca6865de2 480 else if (token_count == 3)
AzureIoTClient 12:658ca6865de2 481 {
AzureIoTClient 34:9363cf585ef3 482 *status_code = (int)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 483 if (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/?$rid=") == 0)
AzureIoTClient 12:658ca6865de2 484 {
AzureIoTClient 12:658ca6865de2 485 *request_id = (size_t)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 486 }
AzureIoTClient 12:658ca6865de2 487 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 488 result = 0;
AzureIoTClient 12:658ca6865de2 489 break;
AzureIoTClient 12:658ca6865de2 490 }
AzureIoTClient 12:658ca6865de2 491 token_count++;
AzureIoTClient 12:658ca6865de2 492 }
AzureIoTClient 12:658ca6865de2 493 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 494 }
AzureIoTClient 12:658ca6865de2 495 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 496 }
AzureIoTClient 12:658ca6865de2 497 return result;
AzureIoTClient 12:658ca6865de2 498 }
AzureIoTClient 12:658ca6865de2 499
AzureIoTClient 12:658ca6865de2 500 static IOTHUB_IDENTITY_TYPE retrieve_topic_type(const char* topic_resp)
AzureIoTClient 12:658ca6865de2 501 {
AzureIoTClient 12:658ca6865de2 502 IOTHUB_IDENTITY_TYPE type;
AzureIoTClient 12:658ca6865de2 503 size_t dev_twin_topic_len = sizeof(TOPIC_DEVICE_TWIN_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 504 size_t dev_method_topic_len = sizeof(TOPIC_DEVICE_METHOD_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 505 size_t topic_len = strlen(topic_resp);
AzureIoTClient 12:658ca6865de2 506 size_t len_to_use = (dev_twin_topic_len > dev_method_topic_len) ? dev_twin_topic_len : dev_method_topic_len;
AzureIoTClient 12:658ca6865de2 507
AzureIoTClient 12:658ca6865de2 508 bool search_device_twin = true;
AzureIoTClient 12:658ca6865de2 509 bool search_device_method = true;
AzureIoTClient 12:658ca6865de2 510 if (topic_len < len_to_use)
AzureIoTClient 12:658ca6865de2 511 {
AzureIoTClient 12:658ca6865de2 512 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 513 search_device_method = false;
AzureIoTClient 12:658ca6865de2 514 }
AzureIoTClient 12:658ca6865de2 515 else
AzureIoTClient 12:658ca6865de2 516 {
AzureIoTClient 16:14640ee83e99 517 size_t index = 0;
AzureIoTClient 16:14640ee83e99 518 for (index = 0; index < len_to_use && (search_device_twin || search_device_method); index++)
AzureIoTClient 12:658ca6865de2 519 {
AzureIoTClient 12:658ca6865de2 520 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 521 {
AzureIoTClient 12:658ca6865de2 522 if (index > dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 523 {
AzureIoTClient 12:658ca6865de2 524 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 525 }
AzureIoTClient 12:658ca6865de2 526 else
AzureIoTClient 12:658ca6865de2 527 {
AzureIoTClient 12:658ca6865de2 528 if (index == dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 529 {
AzureIoTClient 12:658ca6865de2 530 break;
AzureIoTClient 12:658ca6865de2 531 }
AzureIoTClient 14:4dc2b011be33 532 else if (TOUPPER(TOPIC_DEVICE_TWIN_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 533 {
AzureIoTClient 12:658ca6865de2 534 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 535 }
AzureIoTClient 12:658ca6865de2 536 }
AzureIoTClient 12:658ca6865de2 537 }
AzureIoTClient 12:658ca6865de2 538 if (search_device_method)
AzureIoTClient 12:658ca6865de2 539 {
AzureIoTClient 12:658ca6865de2 540 if (index > dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 541 {
AzureIoTClient 12:658ca6865de2 542 search_device_method = false;
AzureIoTClient 12:658ca6865de2 543 }
AzureIoTClient 12:658ca6865de2 544 else
AzureIoTClient 12:658ca6865de2 545 {
AzureIoTClient 12:658ca6865de2 546 if (index == dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 547 {
AzureIoTClient 12:658ca6865de2 548 break;
AzureIoTClient 12:658ca6865de2 549 }
AzureIoTClient 14:4dc2b011be33 550 else if (TOUPPER(TOPIC_DEVICE_METHOD_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 551 {
AzureIoTClient 12:658ca6865de2 552 search_device_method = false;
AzureIoTClient 12:658ca6865de2 553 }
AzureIoTClient 12:658ca6865de2 554 }
AzureIoTClient 12:658ca6865de2 555 }
AzureIoTClient 12:658ca6865de2 556 }
AzureIoTClient 12:658ca6865de2 557 }
AzureIoTClient 12:658ca6865de2 558 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 559 {
AzureIoTClient 12:658ca6865de2 560 type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 561 }
AzureIoTClient 12:658ca6865de2 562 else if (search_device_method)
AzureIoTClient 12:658ca6865de2 563 {
AzureIoTClient 12:658ca6865de2 564 type = IOTHUB_TYPE_DEVICE_METHODS;
AzureIoTClient 12:658ca6865de2 565 }
AzureIoTClient 12:658ca6865de2 566 else
AzureIoTClient 12:658ca6865de2 567 {
AzureIoTClient 12:658ca6865de2 568 type = IOTHUB_TYPE_TELEMETRY;
AzureIoTClient 12:658ca6865de2 569 }
AzureIoTClient 12:658ca6865de2 570 return type;
AzureIoTClient 12:658ca6865de2 571 }
AzureIoTClient 12:658ca6865de2 572
AzureIoTClient 11:31ebaeb51e1e 573 static void sendMsgComplete(IOTHUB_MESSAGE_LIST* iothubMsgList, PMQTTTRANSPORT_HANDLE_DATA transport_data, IOTHUB_CLIENT_CONFIRMATION_RESULT confirmResult)
AzureIoTClient 11:31ebaeb51e1e 574 {
AzureIoTClient 11:31ebaeb51e1e 575 DLIST_ENTRY messageCompleted;
AzureIoTClient 11:31ebaeb51e1e 576 DList_InitializeListHead(&messageCompleted);
AzureIoTClient 11:31ebaeb51e1e 577 DList_InsertTailList(&messageCompleted, &(iothubMsgList->entry));
AzureIoTClient 11:31ebaeb51e1e 578 IoTHubClient_LL_SendComplete(transport_data->llClientHandle, &messageCompleted, confirmResult);
AzureIoTClient 11:31ebaeb51e1e 579 }
AzureIoTClient 11:31ebaeb51e1e 580
AzureIoTClient 11:31ebaeb51e1e 581 static STRING_HANDLE addPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, const char* eventTopic)
AzureIoTClient 11:31ebaeb51e1e 582 {
AzureIoTClient 11:31ebaeb51e1e 583 STRING_HANDLE result = STRING_construct(eventTopic);
AzureIoTClient 11:31ebaeb51e1e 584 const char* const* propertyKeys;
AzureIoTClient 11:31ebaeb51e1e 585 const char* const* propertyValues;
AzureIoTClient 11:31ebaeb51e1e 586 size_t propertyCount;
AzureIoTClient 23:84f4c36da8c1 587 size_t index = 0;
AzureIoTClient 11:31ebaeb51e1e 588
AzureIoTClient 11:31ebaeb51e1e 589 // Construct Properties
AzureIoTClient 11:31ebaeb51e1e 590 MAP_HANDLE properties_map = IoTHubMessage_Properties(iothub_message_handle);
AzureIoTClient 11:31ebaeb51e1e 591 if (properties_map != NULL)
AzureIoTClient 11:31ebaeb51e1e 592 {
AzureIoTClient 11:31ebaeb51e1e 593 if (Map_GetInternals(properties_map, &propertyKeys, &propertyValues, &propertyCount) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 594 {
AzureIoTClient 11:31ebaeb51e1e 595 LogError("Failed to get the internals of the property map.");
AzureIoTClient 11:31ebaeb51e1e 596 STRING_delete(result);
AzureIoTClient 11:31ebaeb51e1e 597 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 598 }
AzureIoTClient 11:31ebaeb51e1e 599 else
AzureIoTClient 11:31ebaeb51e1e 600 {
AzureIoTClient 11:31ebaeb51e1e 601 if (propertyCount != 0)
AzureIoTClient 11:31ebaeb51e1e 602 {
AzureIoTClient 16:14640ee83e99 603 for (index = 0; index < propertyCount && result != NULL; index++)
AzureIoTClient 11:31ebaeb51e1e 604 {
AzureIoTClient 11:31ebaeb51e1e 605 if (STRING_sprintf(result, "%s=%s%s", propertyKeys[index], propertyValues[index], propertyCount - 1 == index ? "" : PROPERTY_SEPARATOR) != 0)
AzureIoTClient 11:31ebaeb51e1e 606 {
AzureIoTClient 23:84f4c36da8c1 607 LogError("Failed construting property string.");
AzureIoTClient 11:31ebaeb51e1e 608 STRING_delete(result);
AzureIoTClient 11:31ebaeb51e1e 609 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 610 }
AzureIoTClient 11:31ebaeb51e1e 611 }
AzureIoTClient 11:31ebaeb51e1e 612 }
AzureIoTClient 11:31ebaeb51e1e 613 }
AzureIoTClient 11:31ebaeb51e1e 614 }
AzureIoTClient 23:84f4c36da8c1 615
AzureIoTClient 23:84f4c36da8c1 616 /* 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 617 if (result != NULL)
AzureIoTClient 23:84f4c36da8c1 618 {
AzureIoTClient 23:84f4c36da8c1 619 const char* correlation_id = IoTHubMessage_GetCorrelationId(iothub_message_handle);
AzureIoTClient 23:84f4c36da8c1 620 if (correlation_id != NULL)
AzureIoTClient 23:84f4c36da8c1 621 {
AzureIoTClient 23:84f4c36da8c1 622 if (STRING_sprintf(result, "%s%%24.cid=%s", index == 0 ? "" : PROPERTY_SEPARATOR, correlation_id) != 0)
AzureIoTClient 23:84f4c36da8c1 623 {
AzureIoTClient 27:04de3c0bf1db 624 LogError("Failed setting correlation id.");
AzureIoTClient 23:84f4c36da8c1 625 STRING_delete(result);
AzureIoTClient 23:84f4c36da8c1 626 result = NULL;
AzureIoTClient 23:84f4c36da8c1 627 }
AzureIoTClient 23:84f4c36da8c1 628 index++;
AzureIoTClient 23:84f4c36da8c1 629 }
AzureIoTClient 23:84f4c36da8c1 630 }
AzureIoTClient 23:84f4c36da8c1 631
AzureIoTClient 23:84f4c36da8c1 632 /* 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 $.mid=<id> ] */
AzureIoTClient 23:84f4c36da8c1 633 if (result != NULL)
AzureIoTClient 23:84f4c36da8c1 634 {
AzureIoTClient 23:84f4c36da8c1 635 const char* msg_id = IoTHubMessage_GetMessageId(iothub_message_handle);
AzureIoTClient 23:84f4c36da8c1 636 if (msg_id != NULL)
AzureIoTClient 23:84f4c36da8c1 637 {
AzureIoTClient 23:84f4c36da8c1 638 if (STRING_sprintf(result, "%s%%24.mid=%s", index == 0 ? "" : PROPERTY_SEPARATOR, msg_id) != 0)
AzureIoTClient 23:84f4c36da8c1 639 {
AzureIoTClient 27:04de3c0bf1db 640 LogError("Failed setting message id.");
AzureIoTClient 27:04de3c0bf1db 641 STRING_delete(result);
AzureIoTClient 27:04de3c0bf1db 642 result = NULL;
AzureIoTClient 27:04de3c0bf1db 643 }
AzureIoTClient 27:04de3c0bf1db 644 index++;
AzureIoTClient 27:04de3c0bf1db 645 }
AzureIoTClient 27:04de3c0bf1db 646 }
AzureIoTClient 27:04de3c0bf1db 647
AzureIoTClient 27:04de3c0bf1db 648 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_010: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the ContentType property and if found add the `value` as a system property in the format of `$.ct=<value>` ]
AzureIoTClient 27:04de3c0bf1db 649 if (result != NULL)
AzureIoTClient 27:04de3c0bf1db 650 {
AzureIoTClient 27:04de3c0bf1db 651 const char* content_type = IoTHubMessage_GetContentTypeSystemProperty(iothub_message_handle);
AzureIoTClient 27:04de3c0bf1db 652 if (content_type != NULL)
AzureIoTClient 27:04de3c0bf1db 653 {
AzureIoTClient 27:04de3c0bf1db 654 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, CONTENT_TYPE_PROPERTY, content_type) != 0)
AzureIoTClient 27:04de3c0bf1db 655 {
AzureIoTClient 27:04de3c0bf1db 656 LogError("Failed setting content type.");
AzureIoTClient 23:84f4c36da8c1 657 STRING_delete(result);
AzureIoTClient 23:84f4c36da8c1 658 result = NULL;
AzureIoTClient 23:84f4c36da8c1 659 }
AzureIoTClient 27:04de3c0bf1db 660 index++;
AzureIoTClient 23:84f4c36da8c1 661 }
AzureIoTClient 23:84f4c36da8c1 662 }
AzureIoTClient 27:04de3c0bf1db 663
AzureIoTClient 27:04de3c0bf1db 664 // 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 `$.ce=<value>` ]
AzureIoTClient 27:04de3c0bf1db 665 if (result != NULL)
AzureIoTClient 27:04de3c0bf1db 666 {
AzureIoTClient 27:04de3c0bf1db 667 const char* content_encoding = IoTHubMessage_GetContentEncodingSystemProperty(iothub_message_handle);
AzureIoTClient 27:04de3c0bf1db 668 if (content_encoding != NULL)
AzureIoTClient 27:04de3c0bf1db 669 {
AzureIoTClient 27:04de3c0bf1db 670 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, CONTENT_ENCODING_PROPERTY, content_encoding) != 0)
AzureIoTClient 27:04de3c0bf1db 671 {
AzureIoTClient 27:04de3c0bf1db 672 LogError("Failed setting content encoding.");
AzureIoTClient 27:04de3c0bf1db 673 STRING_delete(result);
AzureIoTClient 27:04de3c0bf1db 674 result = NULL;
AzureIoTClient 27:04de3c0bf1db 675 }
AzureIoTClient 27:04de3c0bf1db 676 index++;
AzureIoTClient 27:04de3c0bf1db 677 }
AzureIoTClient 27:04de3c0bf1db 678 }
AzureIoTClient 27:04de3c0bf1db 679
AzureIoTClient 30:52ff609606c8 680 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_014: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the diagnostic properties including diagid and diagCreationTimeUtc and if found both add them as system property in the format of `$.diagid` and `$.diagctx` respectively]
AzureIoTClient 30:52ff609606c8 681 if (result != NULL)
AzureIoTClient 30:52ff609606c8 682 {
AzureIoTClient 30:52ff609606c8 683 const IOTHUB_MESSAGE_DIAGNOSTIC_PROPERTY_DATA* diagnosticData = IoTHubMessage_GetDiagnosticPropertyData(iothub_message_handle);
AzureIoTClient 30:52ff609606c8 684 if (diagnosticData != NULL)
AzureIoTClient 30:52ff609606c8 685 {
AzureIoTClient 30:52ff609606c8 686 const char* diag_id = diagnosticData->diagnosticId;
AzureIoTClient 30:52ff609606c8 687 const char* creation_time_utc = diagnosticData->diagnosticCreationTimeUtc;
AzureIoTClient 30:52ff609606c8 688 //diagid and creationtimeutc must be present/unpresent simultaneously
AzureIoTClient 30:52ff609606c8 689 if (diag_id != NULL && creation_time_utc != NULL)
AzureIoTClient 30:52ff609606c8 690 {
AzureIoTClient 30:52ff609606c8 691 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, DIAGNOSTIC_ID_PROPERTY, diag_id) != 0)
AzureIoTClient 30:52ff609606c8 692 {
AzureIoTClient 30:52ff609606c8 693 LogError("Failed setting diagnostic id");
AzureIoTClient 30:52ff609606c8 694 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 695 result = NULL;
AzureIoTClient 30:52ff609606c8 696 }
AzureIoTClient 30:52ff609606c8 697 index++;
AzureIoTClient 30:52ff609606c8 698
AzureIoTClient 30:52ff609606c8 699 if (result != NULL)
AzureIoTClient 30:52ff609606c8 700 {
AzureIoTClient 30:52ff609606c8 701 //construct diagnostic context, it should be urlencode(key1=value1,key2=value2)
AzureIoTClient 30:52ff609606c8 702 STRING_HANDLE diagContextHandle = STRING_construct_sprintf("%s=%s", DIAGNOSTIC_CONTEXT_CREATION_TIME_UTC_PROPERTY, creation_time_utc);
AzureIoTClient 30:52ff609606c8 703 if (diagContextHandle == NULL)
AzureIoTClient 30:52ff609606c8 704 {
AzureIoTClient 30:52ff609606c8 705 LogError("Failed constructing diagnostic context");
AzureIoTClient 30:52ff609606c8 706 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 707 result = NULL;
AzureIoTClient 30:52ff609606c8 708 }
AzureIoTClient 30:52ff609606c8 709 else
AzureIoTClient 30:52ff609606c8 710 {
AzureIoTClient 30:52ff609606c8 711 //Add other diagnostic context properties here if have more
AzureIoTClient 30:52ff609606c8 712 STRING_HANDLE encodedContextValueHandle = URL_Encode(diagContextHandle);
AzureIoTClient 30:52ff609606c8 713 const char* encodedContextValueString = NULL;
AzureIoTClient 30:52ff609606c8 714 if (encodedContextValueHandle != NULL &&
AzureIoTClient 30:52ff609606c8 715 (encodedContextValueString = STRING_c_str(encodedContextValueHandle)) != NULL)
AzureIoTClient 30:52ff609606c8 716 {
AzureIoTClient 30:52ff609606c8 717 if (STRING_sprintf(result, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, DIAGNOSTIC_CONTEXT_PROPERTY, encodedContextValueString) != 0)
AzureIoTClient 30:52ff609606c8 718 {
AzureIoTClient 30:52ff609606c8 719 LogError("Failed setting diagnostic context");
AzureIoTClient 30:52ff609606c8 720 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 721 result = NULL;
AzureIoTClient 30:52ff609606c8 722 }
AzureIoTClient 30:52ff609606c8 723 STRING_delete(encodedContextValueHandle);
AzureIoTClient 30:52ff609606c8 724 encodedContextValueHandle = NULL;
AzureIoTClient 30:52ff609606c8 725 }
AzureIoTClient 30:52ff609606c8 726 else
AzureIoTClient 30:52ff609606c8 727 {
AzureIoTClient 30:52ff609606c8 728 LogError("Failed encoding diagnostic context value");
AzureIoTClient 30:52ff609606c8 729 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 730 result = NULL;
AzureIoTClient 30:52ff609606c8 731 }
AzureIoTClient 30:52ff609606c8 732 STRING_delete(diagContextHandle);
AzureIoTClient 30:52ff609606c8 733 diagContextHandle = NULL;
AzureIoTClient 30:52ff609606c8 734 index++;
AzureIoTClient 30:52ff609606c8 735 }
AzureIoTClient 30:52ff609606c8 736 }
AzureIoTClient 30:52ff609606c8 737 }
AzureIoTClient 30:52ff609606c8 738 else if (diag_id != NULL || creation_time_utc != NULL)
AzureIoTClient 30:52ff609606c8 739 {
AzureIoTClient 30:52ff609606c8 740 // 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 741 LogError("diagid and diagcreationtimeutc must be present simultaneously.");
AzureIoTClient 30:52ff609606c8 742 STRING_delete(result);
AzureIoTClient 30:52ff609606c8 743 result = NULL;
AzureIoTClient 30:52ff609606c8 744 }
AzureIoTClient 30:52ff609606c8 745 }
AzureIoTClient 30:52ff609606c8 746 }
AzureIoTClient 30:52ff609606c8 747
AzureIoTClient 11:31ebaeb51e1e 748 return result;
AzureIoTClient 11:31ebaeb51e1e 749 }
AzureIoTClient 11:31ebaeb51e1e 750
AzureIoTClient 11:31ebaeb51e1e 751 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 752 {
AzureIoTClient 11:31ebaeb51e1e 753 int result;
AzureIoTClient 11:31ebaeb51e1e 754 STRING_HANDLE msgTopic = addPropertiesTouMqttMessage(mqttMsgEntry->iotHubMessageEntry->messageHandle, STRING_c_str(transport_data->topic_MqttEvent));
AzureIoTClient 11:31ebaeb51e1e 755 if (msgTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 756 {
AzureIoTClient 27:04de3c0bf1db 757 LogError("Failed adding properties to mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 758 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 759 }
AzureIoTClient 11:31ebaeb51e1e 760 else
AzureIoTClient 11:31ebaeb51e1e 761 {
AzureIoTClient 11:31ebaeb51e1e 762 MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(mqttMsgEntry->packet_id, STRING_c_str(msgTopic), DELIVER_AT_LEAST_ONCE, payload, len);
AzureIoTClient 11:31ebaeb51e1e 763 if (mqttMsg == NULL)
AzureIoTClient 11:31ebaeb51e1e 764 {
AzureIoTClient 27:04de3c0bf1db 765 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 766 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 767 }
AzureIoTClient 11:31ebaeb51e1e 768 else
AzureIoTClient 11:31ebaeb51e1e 769 {
Azure.IoT.Build 13:606465879c57 770 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqttMsgEntry->msgPublishTime) != 0)
AzureIoTClient 11:31ebaeb51e1e 771 {
AzureIoTClient 11:31ebaeb51e1e 772 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 773 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 774 }
AzureIoTClient 11:31ebaeb51e1e 775 else
AzureIoTClient 11:31ebaeb51e1e 776 {
AzureIoTClient 11:31ebaeb51e1e 777 if (mqtt_client_publish(transport_data->mqttClient, mqttMsg) != 0)
AzureIoTClient 11:31ebaeb51e1e 778 {
AzureIoTClient 27:04de3c0bf1db 779 LogError("Failed attempting to publish mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 780 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 781 }
AzureIoTClient 11:31ebaeb51e1e 782 else
AzureIoTClient 11:31ebaeb51e1e 783 {
AzureIoTClient 11:31ebaeb51e1e 784 mqttMsgEntry->retryCount++;
AzureIoTClient 11:31ebaeb51e1e 785 result = 0;
AzureIoTClient 11:31ebaeb51e1e 786 }
AzureIoTClient 11:31ebaeb51e1e 787 }
AzureIoTClient 11:31ebaeb51e1e 788 mqttmessage_destroy(mqttMsg);
AzureIoTClient 11:31ebaeb51e1e 789 }
AzureIoTClient 11:31ebaeb51e1e 790 STRING_delete(msgTopic);
AzureIoTClient 11:31ebaeb51e1e 791 }
AzureIoTClient 11:31ebaeb51e1e 792 return result;
AzureIoTClient 11:31ebaeb51e1e 793 }
AzureIoTClient 11:31ebaeb51e1e 794
AzureIoTClient 14:4dc2b011be33 795 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 796 {
AzureIoTClient 12:658ca6865de2 797 int result;
AzureIoTClient 12:658ca6865de2 798 uint16_t packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 799
AzureIoTClient 14:4dc2b011be33 800 STRING_HANDLE msg_topic = STRING_construct_sprintf(DEVICE_METHOD_RESPONSE_TOPIC, status_code, STRING_c_str(request_id) );
AzureIoTClient 12:658ca6865de2 801 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 802 {
AzureIoTClient 12:658ca6865de2 803 LogError("Failed constructing message topic.");
AzureIoTClient 18:ec8e5e97c6a4 804 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 805 }
AzureIoTClient 12:658ca6865de2 806 else
AzureIoTClient 12:658ca6865de2 807 {
AzureIoTClient 14:4dc2b011be33 808 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 809 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 810 {
AzureIoTClient 12:658ca6865de2 811 LogError("Failed constructing mqtt message.");
AzureIoTClient 18:ec8e5e97c6a4 812 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 813 }
AzureIoTClient 12:658ca6865de2 814 else
AzureIoTClient 12:658ca6865de2 815 {
AzureIoTClient 12:658ca6865de2 816 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 817 {
AzureIoTClient 12:658ca6865de2 818 LogError("Failed publishing to mqtt client.");
AzureIoTClient 18:ec8e5e97c6a4 819 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 820 }
AzureIoTClient 12:658ca6865de2 821 else
AzureIoTClient 12:658ca6865de2 822 {
AzureIoTClient 12:658ca6865de2 823 result = 0;
AzureIoTClient 12:658ca6865de2 824 }
AzureIoTClient 12:658ca6865de2 825 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 826 }
AzureIoTClient 12:658ca6865de2 827 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 828 }
AzureIoTClient 12:658ca6865de2 829 return result;
AzureIoTClient 12:658ca6865de2 830 }
AzureIoTClient 12:658ca6865de2 831
AzureIoTClient 12:658ca6865de2 832 static int publish_device_twin_get_message(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 12:658ca6865de2 833 {
AzureIoTClient 12:658ca6865de2 834 int result;
AzureIoTClient 12:658ca6865de2 835 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 836 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 837 {
AzureIoTClient 12:658ca6865de2 838 LogError("Failed allocating device twin data.");
AzureIoTClient 18:ec8e5e97c6a4 839 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 840 }
AzureIoTClient 12:658ca6865de2 841 else
AzureIoTClient 12:658ca6865de2 842 {
AzureIoTClient 12:658ca6865de2 843 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 844 mqtt_info->iothub_msg_id = 0;
AzureIoTClient 12:658ca6865de2 845 mqtt_info->device_twin_msg_type = RETRIEVE_PROPERTIES;
AzureIoTClient 12:658ca6865de2 846 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 847 mqtt_info->msgPublishTime = 0;
AzureIoTClient 12:658ca6865de2 848 mqtt_info->iothub_type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 849 mqtt_info->device_twin_data = NULL;
AzureIoTClient 12:658ca6865de2 850 STRING_HANDLE msg_topic = STRING_construct_sprintf(GET_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 851 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 852 {
AzureIoTClient 12:658ca6865de2 853 LogError("Failed constructing get Prop topic.");
AzureIoTClient 12:658ca6865de2 854 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 855 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 856 }
AzureIoTClient 12:658ca6865de2 857 else
AzureIoTClient 12:658ca6865de2 858 {
AzureIoTClient 12:658ca6865de2 859 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 860 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 861 {
AzureIoTClient 12:658ca6865de2 862 LogError("Failed constructing mqtt message.");
AzureIoTClient 12:658ca6865de2 863 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 864 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 865 }
AzureIoTClient 12:658ca6865de2 866 else
AzureIoTClient 12:658ca6865de2 867 {
AzureIoTClient 12:658ca6865de2 868 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 869 {
AzureIoTClient 12:658ca6865de2 870 LogError("Failed publishing to mqtt client.");
AzureIoTClient 12:658ca6865de2 871 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 872 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 873 }
AzureIoTClient 12:658ca6865de2 874 else
AzureIoTClient 12:658ca6865de2 875 {
AzureIoTClient 12:658ca6865de2 876 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 877 result = 0;
AzureIoTClient 12:658ca6865de2 878 }
AzureIoTClient 12:658ca6865de2 879 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 880 }
AzureIoTClient 12:658ca6865de2 881 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 882 }
AzureIoTClient 12:658ca6865de2 883 }
AzureIoTClient 12:658ca6865de2 884 return result;
AzureIoTClient 12:658ca6865de2 885 }
AzureIoTClient 12:658ca6865de2 886
AzureIoTClient 12:658ca6865de2 887 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 888 {
AzureIoTClient 12:658ca6865de2 889 int result;
AzureIoTClient 12:658ca6865de2 890 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 891 mqtt_info->device_twin_msg_type = REPORTED_STATE;
AzureIoTClient 12:658ca6865de2 892 STRING_HANDLE msgTopic = STRING_construct_sprintf(REPORTED_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 893 if (msgTopic == NULL)
AzureIoTClient 12:658ca6865de2 894 {
AzureIoTClient 12:658ca6865de2 895 LogError("Failed constructing reported prop topic.");
AzureIoTClient 18:ec8e5e97c6a4 896 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 897 }
AzureIoTClient 12:658ca6865de2 898 else
AzureIoTClient 12:658ca6865de2 899 {
AzureIoTClient 12:658ca6865de2 900 const CONSTBUFFER* data_buff = CONSTBUFFER_GetContent(device_twin_info->report_data_handle);
AzureIoTClient 12:658ca6865de2 901 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 902 if (mqtt_rpt_msg == NULL)
AzureIoTClient 12:658ca6865de2 903 {
AzureIoTClient 12:658ca6865de2 904 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 905 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 906 }
AzureIoTClient 12:658ca6865de2 907 else
AzureIoTClient 12:658ca6865de2 908 {
Azure.IoT.Build 13:606465879c57 909 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqtt_info->msgPublishTime) != 0)
AzureIoTClient 12:658ca6865de2 910 {
AzureIoTClient 12:658ca6865de2 911 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 912 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 913 }
AzureIoTClient 12:658ca6865de2 914 else
AzureIoTClient 12:658ca6865de2 915 {
AzureIoTClient 12:658ca6865de2 916 if (mqtt_client_publish(transport_data->mqttClient, mqtt_rpt_msg) != 0)
AzureIoTClient 12:658ca6865de2 917 {
AzureIoTClient 12:658ca6865de2 918 LogError("Failed publishing mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 919 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 920 }
AzureIoTClient 12:658ca6865de2 921 else
AzureIoTClient 12:658ca6865de2 922 {
AzureIoTClient 12:658ca6865de2 923 mqtt_info->retryCount++;
AzureIoTClient 12:658ca6865de2 924 result = 0;
AzureIoTClient 12:658ca6865de2 925 }
AzureIoTClient 12:658ca6865de2 926 }
AzureIoTClient 12:658ca6865de2 927 mqttmessage_destroy(mqtt_rpt_msg);
AzureIoTClient 12:658ca6865de2 928 }
AzureIoTClient 12:658ca6865de2 929 STRING_delete(msgTopic);
AzureIoTClient 12:658ca6865de2 930 }
AzureIoTClient 12:658ca6865de2 931 return result;
AzureIoTClient 12:658ca6865de2 932 }
AzureIoTClient 12:658ca6865de2 933
AzureIoTClient 11:31ebaeb51e1e 934 static bool isSystemProperty(const char* tokenData)
AzureIoTClient 11:31ebaeb51e1e 935 {
AzureIoTClient 11:31ebaeb51e1e 936 bool result = false;
AzureIoTClient 11:31ebaeb51e1e 937 size_t propCount = sizeof(sysPropList)/sizeof(sysPropList[0]);
AzureIoTClient 16:14640ee83e99 938 size_t index = 0;
AzureIoTClient 16:14640ee83e99 939 for (index = 0; index < propCount; index++)
AzureIoTClient 11:31ebaeb51e1e 940 {
AzureIoTClient 11:31ebaeb51e1e 941 if (memcmp(tokenData, sysPropList[index].propName, sysPropList[index].propLength) == 0)
AzureIoTClient 11:31ebaeb51e1e 942 {
AzureIoTClient 11:31ebaeb51e1e 943 result = true;
AzureIoTClient 11:31ebaeb51e1e 944 break;
AzureIoTClient 11:31ebaeb51e1e 945 }
AzureIoTClient 11:31ebaeb51e1e 946 }
AzureIoTClient 11:31ebaeb51e1e 947 return result;
AzureIoTClient 11:31ebaeb51e1e 948 }
AzureIoTClient 11:31ebaeb51e1e 949
AzureIoTClient 31:d6198e67d1eb 950 static int setMqttMessagePropertyIfPossible(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* propName, const char* propValue, size_t nameLen)
AzureIoTClient 31:d6198e67d1eb 951 {
AzureIoTClient 31:d6198e67d1eb 952 // Not finding a system property to map to isn't an error.
AzureIoTClient 31:d6198e67d1eb 953 int result = 0;
AzureIoTClient 31:d6198e67d1eb 954
AzureIoTClient 31:d6198e67d1eb 955 if (nameLen > 2)
AzureIoTClient 31:d6198e67d1eb 956 {
AzureIoTClient 31:d6198e67d1eb 957 if (nameLen > 3)
AzureIoTClient 31:d6198e67d1eb 958 {
AzureIoTClient 31:d6198e67d1eb 959 if (strcmp((const char*)&propName[nameLen - 3], MESSAGE_ID_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 960 {
AzureIoTClient 31:d6198e67d1eb 961 if (IoTHubMessage_SetMessageId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 962 {
AzureIoTClient 31:d6198e67d1eb 963 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'messageId' property.");
AzureIoTClient 31:d6198e67d1eb 964 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 965 }
AzureIoTClient 31:d6198e67d1eb 966 }
AzureIoTClient 31:d6198e67d1eb 967 else if (strcmp((const char*)&propName[nameLen - 3], CORRELATION_ID_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 968 {
AzureIoTClient 31:d6198e67d1eb 969 if (IoTHubMessage_SetCorrelationId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 970 {
AzureIoTClient 31:d6198e67d1eb 971 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'correlationId' property.");
AzureIoTClient 31:d6198e67d1eb 972 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 973 }
AzureIoTClient 31:d6198e67d1eb 974 }
AzureIoTClient 31:d6198e67d1eb 975 }
AzureIoTClient 31:d6198e67d1eb 976
AzureIoTClient 31:d6198e67d1eb 977 // 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 978 if (strcmp((const char*)&propName[nameLen - 2], CONTENT_TYPE_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 979 {
AzureIoTClient 31:d6198e67d1eb 980 if (IoTHubMessage_SetContentTypeSystemProperty(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 981 {
AzureIoTClient 31:d6198e67d1eb 982 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'customContentType' property.");
AzureIoTClient 31:d6198e67d1eb 983 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 984 }
AzureIoTClient 31:d6198e67d1eb 985 }
AzureIoTClient 31:d6198e67d1eb 986 // 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 987 else if (strcmp((const char*)&propName[nameLen - 2], CONTENT_ENCODING_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 988 {
AzureIoTClient 31:d6198e67d1eb 989 if (IoTHubMessage_SetContentEncodingSystemProperty(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 990 {
AzureIoTClient 31:d6198e67d1eb 991 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'contentEncoding' property.");
AzureIoTClient 31:d6198e67d1eb 992 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 993 }
AzureIoTClient 31:d6198e67d1eb 994 }
AzureIoTClient 31:d6198e67d1eb 995 }
AzureIoTClient 31:d6198e67d1eb 996
AzureIoTClient 31:d6198e67d1eb 997 return result;
AzureIoTClient 31:d6198e67d1eb 998 }
AzureIoTClient 31:d6198e67d1eb 999
AzureIoTClient 11:31ebaeb51e1e 1000 static int extractMqttProperties(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* topic_name)
AzureIoTClient 11:31ebaeb51e1e 1001 {
AzureIoTClient 11:31ebaeb51e1e 1002 int result;
AzureIoTClient 11:31ebaeb51e1e 1003 STRING_HANDLE mqttTopic = STRING_construct(topic_name);
AzureIoTClient 11:31ebaeb51e1e 1004 if (mqttTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 1005 {
AzureIoTClient 11:31ebaeb51e1e 1006 LogError("Failure constructing string topic name.");
AzureIoTClient 18:ec8e5e97c6a4 1007 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1008 }
AzureIoTClient 11:31ebaeb51e1e 1009 else
AzureIoTClient 11:31ebaeb51e1e 1010 {
AzureIoTClient 11:31ebaeb51e1e 1011 STRING_TOKENIZER_HANDLE token = STRING_TOKENIZER_create(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1012 if (token != NULL)
AzureIoTClient 11:31ebaeb51e1e 1013 {
AzureIoTClient 11:31ebaeb51e1e 1014 MAP_HANDLE propertyMap = IoTHubMessage_Properties(IoTHubMessage);
AzureIoTClient 11:31ebaeb51e1e 1015 if (propertyMap == NULL)
AzureIoTClient 11:31ebaeb51e1e 1016 {
AzureIoTClient 11:31ebaeb51e1e 1017 LogError("Failure to retrieve IoTHubMessage_properties.");
AzureIoTClient 18:ec8e5e97c6a4 1018 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1019 }
AzureIoTClient 11:31ebaeb51e1e 1020 else
AzureIoTClient 11:31ebaeb51e1e 1021 {
AzureIoTClient 11:31ebaeb51e1e 1022 STRING_HANDLE output = STRING_new();
AzureIoTClient 11:31ebaeb51e1e 1023 if (output == NULL)
AzureIoTClient 11:31ebaeb51e1e 1024 {
AzureIoTClient 11:31ebaeb51e1e 1025 LogError("Failure to allocate STRING_new.");
AzureIoTClient 18:ec8e5e97c6a4 1026 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1027 }
AzureIoTClient 11:31ebaeb51e1e 1028 else
AzureIoTClient 11:31ebaeb51e1e 1029 {
AzureIoTClient 11:31ebaeb51e1e 1030 result = 0;
AzureIoTClient 18:ec8e5e97c6a4 1031
AzureIoTClient 11:31ebaeb51e1e 1032 while (STRING_TOKENIZER_get_next_token(token, output, PROPERTY_SEPARATOR) == 0 && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1033 {
AzureIoTClient 11:31ebaeb51e1e 1034 const char* tokenData = STRING_c_str(output);
AzureIoTClient 11:31ebaeb51e1e 1035 size_t tokenLen = strlen(tokenData);
AzureIoTClient 11:31ebaeb51e1e 1036 if (tokenData == NULL || tokenLen == 0)
AzureIoTClient 11:31ebaeb51e1e 1037 {
AzureIoTClient 11:31ebaeb51e1e 1038 break;
AzureIoTClient 11:31ebaeb51e1e 1039 }
AzureIoTClient 11:31ebaeb51e1e 1040 else
AzureIoTClient 11:31ebaeb51e1e 1041 {
AzureIoTClient 18:ec8e5e97c6a4 1042 if (isSystemProperty(tokenData))
AzureIoTClient 11:31ebaeb51e1e 1043 {
AzureIoTClient 11:31ebaeb51e1e 1044 const char* iterator = tokenData;
AzureIoTClient 11:31ebaeb51e1e 1045 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1046 {
AzureIoTClient 11:31ebaeb51e1e 1047 if (*iterator == '=')
AzureIoTClient 11:31ebaeb51e1e 1048 {
AzureIoTClient 11:31ebaeb51e1e 1049 size_t nameLen = iterator - tokenData;
AzureIoTClient 11:31ebaeb51e1e 1050 char* propName = malloc(nameLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1051
AzureIoTClient 11:31ebaeb51e1e 1052 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 11:31ebaeb51e1e 1053 char* propValue = malloc(valLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1054
AzureIoTClient 11:31ebaeb51e1e 1055 if (propName == NULL || propValue == NULL)
AzureIoTClient 11:31ebaeb51e1e 1056 {
AzureIoTClient 27:04de3c0bf1db 1057 LogError("Failed allocating property name (%p) and/or value (%p)", propName, propValue);
AzureIoTClient 18:ec8e5e97c6a4 1058 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1059 }
AzureIoTClient 18:ec8e5e97c6a4 1060 else
AzureIoTClient 18:ec8e5e97c6a4 1061 {
AzureIoTClient 18:ec8e5e97c6a4 1062 strncpy(propName, tokenData, nameLen);
AzureIoTClient 18:ec8e5e97c6a4 1063 propName[nameLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1064
AzureIoTClient 18:ec8e5e97c6a4 1065 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 18:ec8e5e97c6a4 1066 propValue[valLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1067
AzureIoTClient 31:d6198e67d1eb 1068 if (setMqttMessagePropertyIfPossible(IoTHubMessage, propName, propValue, nameLen) != 0)
AzureIoTClient 18:ec8e5e97c6a4 1069 {
AzureIoTClient 31:d6198e67d1eb 1070 LogError("Unable to set message property");
AzureIoTClient 31:d6198e67d1eb 1071 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1072 }
AzureIoTClient 18:ec8e5e97c6a4 1073 }
AzureIoTClient 18:ec8e5e97c6a4 1074 free(propName);
AzureIoTClient 18:ec8e5e97c6a4 1075 free(propValue);
AzureIoTClient 18:ec8e5e97c6a4 1076
AzureIoTClient 18:ec8e5e97c6a4 1077 break;
AzureIoTClient 18:ec8e5e97c6a4 1078 }
AzureIoTClient 18:ec8e5e97c6a4 1079 iterator++;
AzureIoTClient 18:ec8e5e97c6a4 1080 }
AzureIoTClient 18:ec8e5e97c6a4 1081 }
AzureIoTClient 18:ec8e5e97c6a4 1082 else
AzureIoTClient 18:ec8e5e97c6a4 1083 {
AzureIoTClient 18:ec8e5e97c6a4 1084 const char* iterator = tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1085 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 18:ec8e5e97c6a4 1086 {
AzureIoTClient 18:ec8e5e97c6a4 1087 if (*iterator == '=')
AzureIoTClient 18:ec8e5e97c6a4 1088 {
AzureIoTClient 18:ec8e5e97c6a4 1089 size_t nameLen = iterator - tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1090 char* propName = malloc(nameLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1091
AzureIoTClient 18:ec8e5e97c6a4 1092 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 18:ec8e5e97c6a4 1093 char* propValue = malloc(valLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1094
AzureIoTClient 18:ec8e5e97c6a4 1095 if (propName == NULL || propValue == NULL)
AzureIoTClient 18:ec8e5e97c6a4 1096 {
AzureIoTClient 18:ec8e5e97c6a4 1097 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1098 }
AzureIoTClient 11:31ebaeb51e1e 1099 else
AzureIoTClient 11:31ebaeb51e1e 1100 {
AzureIoTClient 11:31ebaeb51e1e 1101 strncpy(propName, tokenData, nameLen);
AzureIoTClient 11:31ebaeb51e1e 1102 propName[nameLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1103
AzureIoTClient 11:31ebaeb51e1e 1104 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 11:31ebaeb51e1e 1105 propValue[valLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1106
AzureIoTClient 11:31ebaeb51e1e 1107 if (Map_AddOrUpdate(propertyMap, propName, propValue) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 1108 {
AzureIoTClient 11:31ebaeb51e1e 1109 LogError("Map_AddOrUpdate failed.");
AzureIoTClient 18:ec8e5e97c6a4 1110 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1111 }
AzureIoTClient 11:31ebaeb51e1e 1112 }
AzureIoTClient 11:31ebaeb51e1e 1113 free(propName);
AzureIoTClient 11:31ebaeb51e1e 1114 free(propValue);
AzureIoTClient 11:31ebaeb51e1e 1115
AzureIoTClient 11:31ebaeb51e1e 1116 break;
AzureIoTClient 11:31ebaeb51e1e 1117 }
AzureIoTClient 11:31ebaeb51e1e 1118 iterator++;
AzureIoTClient 11:31ebaeb51e1e 1119 }
AzureIoTClient 11:31ebaeb51e1e 1120 }
AzureIoTClient 11:31ebaeb51e1e 1121 }
AzureIoTClient 11:31ebaeb51e1e 1122 }
AzureIoTClient 11:31ebaeb51e1e 1123 STRING_delete(output);
AzureIoTClient 11:31ebaeb51e1e 1124 }
AzureIoTClient 11:31ebaeb51e1e 1125 }
AzureIoTClient 11:31ebaeb51e1e 1126 STRING_TOKENIZER_destroy(token);
AzureIoTClient 11:31ebaeb51e1e 1127 }
AzureIoTClient 11:31ebaeb51e1e 1128 else
AzureIoTClient 11:31ebaeb51e1e 1129 {
AzureIoTClient 11:31ebaeb51e1e 1130 LogError("Unable to create Tokenizer object.");
AzureIoTClient 18:ec8e5e97c6a4 1131 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1132 }
AzureIoTClient 11:31ebaeb51e1e 1133 STRING_delete(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1134 }
AzureIoTClient 11:31ebaeb51e1e 1135 return result;
AzureIoTClient 11:31ebaeb51e1e 1136 }
AzureIoTClient 11:31ebaeb51e1e 1137
AzureIoTClient 11:31ebaeb51e1e 1138 static void mqtt_notification_callback(MQTT_MESSAGE_HANDLE msgHandle, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1139 {
AzureIoTClient 14:4dc2b011be33 1140 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_051: [ If msgHandle or callbackCtx is NULL, mqtt_notification_callback shall do nothing. ] */
AzureIoTClient 11:31ebaeb51e1e 1141 if (msgHandle != NULL && callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1142 {
AzureIoTClient 14:4dc2b011be33 1143 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_052: [ mqtt_notification_callback shall extract the topic Name from the MQTT_MESSAGE_HANDLE. ] */
AzureIoTClient 11:31ebaeb51e1e 1144 const char* topic_resp = mqttmessage_getTopicName(msgHandle);
AzureIoTClient 11:31ebaeb51e1e 1145 if (topic_resp == NULL)
AzureIoTClient 11:31ebaeb51e1e 1146 {
AzureIoTClient 11:31ebaeb51e1e 1147 LogError("Failure: NULL topic name encountered");
AzureIoTClient 11:31ebaeb51e1e 1148 }
AzureIoTClient 11:31ebaeb51e1e 1149 else
AzureIoTClient 11:31ebaeb51e1e 1150 {
AzureIoTClient 11:31ebaeb51e1e 1151 PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1152
AzureIoTClient 12:658ca6865de2 1153 IOTHUB_IDENTITY_TYPE type = retrieve_topic_type(topic_resp);
AzureIoTClient 12:658ca6865de2 1154 if (type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 11:31ebaeb51e1e 1155 {
AzureIoTClient 12:658ca6865de2 1156 size_t request_id;
AzureIoTClient 12:658ca6865de2 1157 int status_code;
AzureIoTClient 12:658ca6865de2 1158 bool notification_msg;
AzureIoTClient 12:658ca6865de2 1159 if (parse_device_twin_topic_info(topic_resp, &notification_msg, &request_id, &status_code) != 0)
AzureIoTClient 12:658ca6865de2 1160 {
AzureIoTClient 12:658ca6865de2 1161 LogError("Failure: parsing device topic info");
AzureIoTClient 12:658ca6865de2 1162 }
AzureIoTClient 12:658ca6865de2 1163 else
AzureIoTClient 12:658ca6865de2 1164 {
AzureIoTClient 12:658ca6865de2 1165 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1166 if (notification_msg)
AzureIoTClient 12:658ca6865de2 1167 {
AzureIoTClient 12:658ca6865de2 1168 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_PARTIAL, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1169 }
AzureIoTClient 12:658ca6865de2 1170 else
AzureIoTClient 12:658ca6865de2 1171 {
AzureIoTClient 12:658ca6865de2 1172 PDLIST_ENTRY dev_twin_item = transportData->ack_waiting_queue.Flink;
AzureIoTClient 12:658ca6865de2 1173 while (dev_twin_item != &transportData->ack_waiting_queue)
AzureIoTClient 12:658ca6865de2 1174 {
AzureIoTClient 12:658ca6865de2 1175 DLIST_ENTRY saveListEntry;
AzureIoTClient 12:658ca6865de2 1176 saveListEntry.Flink = dev_twin_item->Flink;
AzureIoTClient 12:658ca6865de2 1177 MQTT_DEVICE_TWIN_ITEM* msg_entry = containingRecord(dev_twin_item, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 1178 if (request_id == msg_entry->packet_id)
AzureIoTClient 12:658ca6865de2 1179 {
AzureIoTClient 12:658ca6865de2 1180 (void)DList_RemoveEntryList(dev_twin_item);
AzureIoTClient 12:658ca6865de2 1181 if (msg_entry->device_twin_msg_type == RETRIEVE_PROPERTIES)
AzureIoTClient 12:658ca6865de2 1182 {
AzureIoTClient 14:4dc2b011be33 1183 /* 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 1184 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_COMPLETE, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1185 }
AzureIoTClient 12:658ca6865de2 1186 else
AzureIoTClient 12:658ca6865de2 1187 {
AzureIoTClient 14:4dc2b011be33 1188 /* 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 1189 IoTHubClient_LL_ReportedStateComplete(transportData->llClientHandle, msg_entry->iothub_msg_id, status_code);
AzureIoTClient 12:658ca6865de2 1190 }
AzureIoTClient 12:658ca6865de2 1191 free(msg_entry);
AzureIoTClient 12:658ca6865de2 1192 break;
AzureIoTClient 12:658ca6865de2 1193 }
AzureIoTClient 12:658ca6865de2 1194 dev_twin_item = saveListEntry.Flink;
AzureIoTClient 12:658ca6865de2 1195 }
AzureIoTClient 12:658ca6865de2 1196 }
AzureIoTClient 12:658ca6865de2 1197 }
AzureIoTClient 12:658ca6865de2 1198 }
AzureIoTClient 12:658ca6865de2 1199 else if (type == IOTHUB_TYPE_DEVICE_METHODS)
AzureIoTClient 12:658ca6865de2 1200 {
AzureIoTClient 12:658ca6865de2 1201 STRING_HANDLE method_name = STRING_new();
AzureIoTClient 12:658ca6865de2 1202 if (method_name == NULL)
AzureIoTClient 12:658ca6865de2 1203 {
AzureIoTClient 12:658ca6865de2 1204 LogError("Failure: allocating method_name string value");
AzureIoTClient 12:658ca6865de2 1205 }
AzureIoTClient 12:658ca6865de2 1206 else
AzureIoTClient 12:658ca6865de2 1207 {
AzureIoTClient 14:4dc2b011be33 1208 DEVICE_METHOD_INFO* dev_method_info = malloc(sizeof(DEVICE_METHOD_INFO) );
AzureIoTClient 14:4dc2b011be33 1209 if (dev_method_info == NULL)
AzureIoTClient 12:658ca6865de2 1210 {
AzureIoTClient 14:4dc2b011be33 1211 LogError("Failure: allocating DEVICE_METHOD_INFO object");
AzureIoTClient 12:658ca6865de2 1212 }
AzureIoTClient 12:658ca6865de2 1213 else
AzureIoTClient 12:658ca6865de2 1214 {
AzureIoTClient 14:4dc2b011be33 1215 dev_method_info->request_id = STRING_new();
AzureIoTClient 14:4dc2b011be33 1216 if (dev_method_info->request_id == NULL)
AzureIoTClient 14:4dc2b011be33 1217 {
AzureIoTClient 14:4dc2b011be33 1218 LogError("Failure constructing request_id string");
AzureIoTClient 14:4dc2b011be33 1219 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1220 }
AzureIoTClient 14:4dc2b011be33 1221 else if (retrieve_device_method_rid_info(topic_resp, method_name, dev_method_info->request_id) != 0)
AzureIoTClient 12:658ca6865de2 1222 {
AzureIoTClient 14:4dc2b011be33 1223 LogError("Failure: retrieve device topic info");
AzureIoTClient 14:4dc2b011be33 1224 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1225 free(dev_method_info);
AzureIoTClient 12:658ca6865de2 1226 }
AzureIoTClient 14:4dc2b011be33 1227 else
AzureIoTClient 14:4dc2b011be33 1228 {
AzureIoTClient 14:4dc2b011be33 1229 /* 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 1230 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 14:4dc2b011be33 1231 if (IoTHubClient_LL_DeviceMethodComplete(transportData->llClientHandle, STRING_c_str(method_name), payload->message, payload->length, (void*)dev_method_info) != 0)
AzureIoTClient 14:4dc2b011be33 1232 {
AzureIoTClient 14:4dc2b011be33 1233 LogError("Failure: IoTHubClient_LL_DeviceMethodComplete");
AzureIoTClient 14:4dc2b011be33 1234 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1235 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1236 }
AzureIoTClient 14:4dc2b011be33 1237 }
AzureIoTClient 12:658ca6865de2 1238 }
AzureIoTClient 12:658ca6865de2 1239 STRING_delete(method_name);
AzureIoTClient 12:658ca6865de2 1240 }
AzureIoTClient 11:31ebaeb51e1e 1241 }
AzureIoTClient 11:31ebaeb51e1e 1242 else
AzureIoTClient 11:31ebaeb51e1e 1243 {
AzureIoTClient 12:658ca6865de2 1244 const APP_PAYLOAD* appPayload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1245 IOTHUB_MESSAGE_HANDLE IoTHubMessage = IoTHubMessage_CreateFromByteArray(appPayload->message, appPayload->length);
AzureIoTClient 12:658ca6865de2 1246 if (IoTHubMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 1247 {
AzureIoTClient 12:658ca6865de2 1248 LogError("Failure: IotHub Message creation has failed.");
AzureIoTClient 11:31ebaeb51e1e 1249 }
AzureIoTClient 11:31ebaeb51e1e 1250 else
AzureIoTClient 11:31ebaeb51e1e 1251 {
AzureIoTClient 12:658ca6865de2 1252 // Will need to update this when the service has messages that can be rejected
AzureIoTClient 12:658ca6865de2 1253 if (extractMqttProperties(IoTHubMessage, topic_resp) != 0)
AzureIoTClient 12:658ca6865de2 1254 {
AzureIoTClient 12:658ca6865de2 1255 LogError("failure extracting mqtt properties.");
AzureIoTClient 12:658ca6865de2 1256 }
AzureIoTClient 12:658ca6865de2 1257 else
AzureIoTClient 11:31ebaeb51e1e 1258 {
AzureIoTClient 19:f87dfe76bc70 1259 MESSAGE_CALLBACK_INFO* messageData = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
AzureIoTClient 19:f87dfe76bc70 1260 if (messageData == NULL)
AzureIoTClient 19:f87dfe76bc70 1261 {
AzureIoTClient 19:f87dfe76bc70 1262 LogError("malloc failed");
AzureIoTClient 19:f87dfe76bc70 1263 }
AzureIoTClient 19:f87dfe76bc70 1264 else
AzureIoTClient 12:658ca6865de2 1265 {
AzureIoTClient 19:f87dfe76bc70 1266 messageData->messageHandle = IoTHubMessage;
AzureIoTClient 19:f87dfe76bc70 1267 messageData->transportContext = NULL;
AzureIoTClient 19:f87dfe76bc70 1268
AzureIoTClient 19:f87dfe76bc70 1269 /* 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 1270 if (!IoTHubClient_LL_MessageCallback(transportData->llClientHandle, messageData))
AzureIoTClient 19:f87dfe76bc70 1271 {
AzureIoTClient 21:167f8fcf6fb1 1272 LogError("IoTHubClient_LL_MessageCallback returned false");
AzureIoTClient 19:f87dfe76bc70 1273
AzureIoTClient 19:f87dfe76bc70 1274 IoTHubMessage_Destroy(IoTHubMessage);
AzureIoTClient 19:f87dfe76bc70 1275 free(messageData);
AzureIoTClient 19:f87dfe76bc70 1276 }
AzureIoTClient 12:658ca6865de2 1277 }
AzureIoTClient 11:31ebaeb51e1e 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 static void mqtt_operation_complete_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1286 {
AzureIoTClient 11:31ebaeb51e1e 1287 (void)handle;
AzureIoTClient 11:31ebaeb51e1e 1288 if (callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1289 {
AzureIoTClient 11:31ebaeb51e1e 1290 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1291
AzureIoTClient 11:31ebaeb51e1e 1292 switch (actionResult)
AzureIoTClient 11:31ebaeb51e1e 1293 {
AzureIoTClient 11:31ebaeb51e1e 1294 case MQTT_CLIENT_ON_PUBLISH_ACK:
AzureIoTClient 11:31ebaeb51e1e 1295 case MQTT_CLIENT_ON_PUBLISH_COMP:
AzureIoTClient 11:31ebaeb51e1e 1296 {
AzureIoTClient 11:31ebaeb51e1e 1297 const PUBLISH_ACK* puback = (const PUBLISH_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1298 if (puback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1299 {
AzureIoTClient 11:31ebaeb51e1e 1300 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 1301 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 1302 {
AzureIoTClient 11:31ebaeb51e1e 1303 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 1304 DLIST_ENTRY saveListEntry;
AzureIoTClient 11:31ebaeb51e1e 1305 saveListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 1306
AzureIoTClient 11:31ebaeb51e1e 1307 if (puback->packetId == mqttMsgEntry->packet_id)
AzureIoTClient 11:31ebaeb51e1e 1308 {
AzureIoTClient 11:31ebaeb51e1e 1309 (void)DList_RemoveEntryList(currentListEntry); //First remove the item from Waiting for Ack List.
AzureIoTClient 11:31ebaeb51e1e 1310 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_OK);
AzureIoTClient 11:31ebaeb51e1e 1311 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 1312 }
AzureIoTClient 11:31ebaeb51e1e 1313 currentListEntry = saveListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 1314 }
AzureIoTClient 11:31ebaeb51e1e 1315 }
AzureIoTClient 11:31ebaeb51e1e 1316 else
AzureIoTClient 11:31ebaeb51e1e 1317 {
AzureIoTClient 11:31ebaeb51e1e 1318 LogError("Failure: MQTT_CLIENT_ON_PUBLISH_ACK publish_ack structure NULL.");
AzureIoTClient 11:31ebaeb51e1e 1319 }
AzureIoTClient 11:31ebaeb51e1e 1320 break;
AzureIoTClient 11:31ebaeb51e1e 1321 }
AzureIoTClient 11:31ebaeb51e1e 1322 case MQTT_CLIENT_ON_CONNACK:
AzureIoTClient 11:31ebaeb51e1e 1323 {
AzureIoTClient 11:31ebaeb51e1e 1324 const CONNECT_ACK* connack = (const CONNECT_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1325 if (connack != NULL)
AzureIoTClient 11:31ebaeb51e1e 1326 {
AzureIoTClient 11:31ebaeb51e1e 1327 if (connack->returnCode == CONNECTION_ACCEPTED)
AzureIoTClient 11:31ebaeb51e1e 1328 {
AzureIoTClient 11:31ebaeb51e1e 1329 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1330 transport_data->currPacketState = CONNACK_TYPE;
AzureIoTClient 12:658ca6865de2 1331 transport_data->isRecoverableError = true;
AzureIoTClient 20:594780be216d 1332 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTED;
AzureIoTClient 25:a35763780a87 1333
AzureIoTClient 25:a35763780a87 1334 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_008: [ Upon successful connection the retry control shall be reset using retry_control_reset() ]
AzureIoTClient 25:a35763780a87 1335 retry_control_reset(transport_data->retry_control_handle);
AzureIoTClient 25:a35763780a87 1336
AzureIoTClient 19:f87dfe76bc70 1337 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_AUTHENTICATED, IOTHUB_CLIENT_CONNECTION_OK);
AzureIoTClient 11:31ebaeb51e1e 1338 }
AzureIoTClient 11:31ebaeb51e1e 1339 else
AzureIoTClient 11:31ebaeb51e1e 1340 {
AzureIoTClient 35:c56b7cfcb90b 1341 if (connack->returnCode == CONN_REFUSED_SERVER_UNAVAIL)
AzureIoTClient 35:c56b7cfcb90b 1342 {
AzureIoTClient 35:c56b7cfcb90b 1343 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 35:c56b7cfcb90b 1344 }
AzureIoTClient 35:c56b7cfcb90b 1345 else if (connack->returnCode == CONN_REFUSED_BAD_USERNAME_PASSWORD || connack->returnCode == CONN_REFUSED_ID_REJECTED)
AzureIoTClient 12:658ca6865de2 1346 {
AzureIoTClient 12:658ca6865de2 1347 transport_data->isRecoverableError = false;
AzureIoTClient 19:f87dfe76bc70 1348 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 12:658ca6865de2 1349 }
AzureIoTClient 12:658ca6865de2 1350 else if (connack->returnCode == CONN_REFUSED_NOT_AUTHORIZED)
AzureIoTClient 12:658ca6865de2 1351 {
AzureIoTClient 19:f87dfe76bc70 1352 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 12:658ca6865de2 1353 }
AzureIoTClient 12:658ca6865de2 1354 else if (connack->returnCode == CONN_REFUSED_UNACCEPTABLE_VERSION)
AzureIoTClient 12:658ca6865de2 1355 {
AzureIoTClient 12:658ca6865de2 1356 transport_data->isRecoverableError = false;
AzureIoTClient 12:658ca6865de2 1357 }
AzureIoTClient 11:31ebaeb51e1e 1358 LogError("Connection Not Accepted: 0x%x: %s", connack->returnCode, retrieve_mqtt_return_codes(connack->returnCode) );
AzureIoTClient 33:b7dfb208ef0a 1359 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_PENDING_CLOSE;
AzureIoTClient 11:31ebaeb51e1e 1360 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 11:31ebaeb51e1e 1361 }
AzureIoTClient 11:31ebaeb51e1e 1362 }
AzureIoTClient 11:31ebaeb51e1e 1363 else
AzureIoTClient 11:31ebaeb51e1e 1364 {
AzureIoTClient 11:31ebaeb51e1e 1365 LogError("MQTT_CLIENT_ON_CONNACK CONNACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1366 }
AzureIoTClient 11:31ebaeb51e1e 1367 break;
AzureIoTClient 11:31ebaeb51e1e 1368 }
AzureIoTClient 11:31ebaeb51e1e 1369 case MQTT_CLIENT_ON_SUBSCRIBE_ACK:
AzureIoTClient 11:31ebaeb51e1e 1370 {
AzureIoTClient 11:31ebaeb51e1e 1371 const SUBSCRIBE_ACK* suback = (const SUBSCRIBE_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1372 if (suback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1373 {
AzureIoTClient 16:14640ee83e99 1374 size_t index = 0;
AzureIoTClient 16:14640ee83e99 1375 for (index = 0; index < suback->qosCount; index++)
AzureIoTClient 11:31ebaeb51e1e 1376 {
AzureIoTClient 11:31ebaeb51e1e 1377 if (suback->qosReturn[index] == DELIVER_FAILURE)
AzureIoTClient 11:31ebaeb51e1e 1378 {
AzureIoTClient 11:31ebaeb51e1e 1379 LogError("Subscribe delivery failure of subscribe %zu", index);
AzureIoTClient 11:31ebaeb51e1e 1380 }
AzureIoTClient 11:31ebaeb51e1e 1381 }
AzureIoTClient 11:31ebaeb51e1e 1382 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1383 transport_data->currPacketState = SUBACK_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1384 }
AzureIoTClient 11:31ebaeb51e1e 1385 else
AzureIoTClient 11:31ebaeb51e1e 1386 {
AzureIoTClient 11:31ebaeb51e1e 1387 LogError("Failure: MQTT_CLIENT_ON_SUBSCRIBE_ACK SUBSCRIBE_ACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1388 }
AzureIoTClient 11:31ebaeb51e1e 1389 break;
AzureIoTClient 11:31ebaeb51e1e 1390 }
AzureIoTClient 11:31ebaeb51e1e 1391 case MQTT_CLIENT_ON_PUBLISH_RECV:
AzureIoTClient 11:31ebaeb51e1e 1392 case MQTT_CLIENT_ON_PUBLISH_REL:
AzureIoTClient 11:31ebaeb51e1e 1393 {
AzureIoTClient 11:31ebaeb51e1e 1394 // Currently not used
AzureIoTClient 11:31ebaeb51e1e 1395 break;
AzureIoTClient 11:31ebaeb51e1e 1396 }
AzureIoTClient 11:31ebaeb51e1e 1397 case MQTT_CLIENT_ON_DISCONNECT:
AzureIoTClient 11:31ebaeb51e1e 1398 {
AzureIoTClient 11:31ebaeb51e1e 1399 // Close the client so we can reconnect again
AzureIoTClient 20:594780be216d 1400 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1401 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1402 break;
AzureIoTClient 11:31ebaeb51e1e 1403 }
AzureIoTClient 17:774695cb8554 1404 case MQTT_CLIENT_ON_UNSUBSCRIBE_ACK:
AzureIoTClient 26:0dae84ecce27 1405 case MQTT_CLIENT_ON_PING_RESPONSE:
AzureIoTClient 26:0dae84ecce27 1406 default:
AzureIoTClient 17:774695cb8554 1407 {
AzureIoTClient 17:774695cb8554 1408 break;
AzureIoTClient 26:0dae84ecce27 1409 }
AzureIoTClient 12:658ca6865de2 1410 }
AzureIoTClient 12:658ca6865de2 1411 }
AzureIoTClient 12:658ca6865de2 1412 }
AzureIoTClient 12:658ca6865de2 1413
AzureIoTClient 25:a35763780a87 1414 static void DisconnectFromClient(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 25:a35763780a87 1415 {
AzureIoTClient 33:b7dfb208ef0a 1416 if (!transport_data->isDestroyCalled)
AzureIoTClient 33:b7dfb208ef0a 1417 {
AzureIoTClient 33:b7dfb208ef0a 1418 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 33:b7dfb208ef0a 1419 set_saved_tls_options(transport_data, options);
AzureIoTClient 33:b7dfb208ef0a 1420 }
AzureIoTClient 28:0cd355c3294e 1421 (void)mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 25:a35763780a87 1422 xio_destroy(transport_data->xioTransport);
AzureIoTClient 25:a35763780a87 1423 transport_data->xioTransport = NULL;
AzureIoTClient 25:a35763780a87 1424
AzureIoTClient 25:a35763780a87 1425 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 25:a35763780a87 1426 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 25:a35763780a87 1427 }
AzureIoTClient 25:a35763780a87 1428
AzureIoTClient 12:658ca6865de2 1429 static void mqtt_error_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_ERROR error, void* callbackCtx)
AzureIoTClient 12:658ca6865de2 1430 {
AzureIoTClient 12:658ca6865de2 1431 (void)handle;
AzureIoTClient 12:658ca6865de2 1432 if (callbackCtx != NULL)
AzureIoTClient 12:658ca6865de2 1433 {
AzureIoTClient 12:658ca6865de2 1434 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 12:658ca6865de2 1435 switch (error)
AzureIoTClient 12:658ca6865de2 1436 {
AzureIoTClient 12:658ca6865de2 1437 case MQTT_CLIENT_CONNECTION_ERROR:
AzureIoTClient 11:31ebaeb51e1e 1438 {
AzureIoTClient 19:f87dfe76bc70 1439 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_NO_NETWORK);
AzureIoTClient 12:658ca6865de2 1440 break;
AzureIoTClient 12:658ca6865de2 1441 }
AzureIoTClient 20:594780be216d 1442 case MQTT_CLIENT_COMMUNICATION_ERROR:
AzureIoTClient 20:594780be216d 1443 {
AzureIoTClient 20:594780be216d 1444 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_COMMUNICATION_ERROR);
AzureIoTClient 20:594780be216d 1445 break;
AzureIoTClient 20:594780be216d 1446 }
AzureIoTClient 12:658ca6865de2 1447 case MQTT_CLIENT_NO_PING_RESPONSE:
AzureIoTClient 12:658ca6865de2 1448 {
AzureIoTClient 12:658ca6865de2 1449 LogError("Mqtt Ping Response was not encountered. Reconnecting device...");
AzureIoTClient 25:a35763780a87 1450 DisconnectFromClient(transport_data);
AzureIoTClient 12:658ca6865de2 1451 break;
AzureIoTClient 11:31ebaeb51e1e 1452 }
AzureIoTClient 17:774695cb8554 1453 case MQTT_CLIENT_PARSE_ERROR:
AzureIoTClient 17:774695cb8554 1454 case MQTT_CLIENT_MEMORY_ERROR:
AzureIoTClient 17:774695cb8554 1455 case MQTT_CLIENT_UNKNOWN_ERROR:
AzureIoTClient 17:774695cb8554 1456 {
AzureIoTClient 17:774695cb8554 1457 LogError("INTERNAL ERROR: unexpected error value received %s", ENUM_TO_STRING(MQTT_CLIENT_EVENT_ERROR, error));
AzureIoTClient 20:594780be216d 1458 break;
AzureIoTClient 17:774695cb8554 1459 }
AzureIoTClient 11:31ebaeb51e1e 1460 }
AzureIoTClient 33:b7dfb208ef0a 1461 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_PENDING_CLOSE)
AzureIoTClient 33:b7dfb208ef0a 1462 {
AzureIoTClient 33:b7dfb208ef0a 1463 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 33:b7dfb208ef0a 1464 }
AzureIoTClient 12:658ca6865de2 1465 transport_data->currPacketState = PACKET_TYPE_ERROR;
Azure.IoT.Build 13:606465879c57 1466 transport_data->device_twin_get_sent = false;
AzureIoTClient 12:658ca6865de2 1467 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 12:658ca6865de2 1468 {
Azure.IoT.Build 13:606465879c57 1469 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
Azure.IoT.Build 13:606465879c57 1470 }
Azure.IoT.Build 13:606465879c57 1471 if (transport_data->topic_GetState != NULL)
Azure.IoT.Build 13:606465879c57 1472 {
Azure.IoT.Build 13:606465879c57 1473 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1474 }
Azure.IoT.Build 13:606465879c57 1475 if (transport_data->topic_NotifyState != NULL)
Azure.IoT.Build 13:606465879c57 1476 {
Azure.IoT.Build 13:606465879c57 1477 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
Azure.IoT.Build 13:606465879c57 1478 }
Azure.IoT.Build 13:606465879c57 1479 if (transport_data->topic_DeviceMethods != NULL)
Azure.IoT.Build 13:606465879c57 1480 {
Azure.IoT.Build 13:606465879c57 1481 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
Azure.IoT.Build 13:606465879c57 1482 }
Azure.IoT.Build 13:606465879c57 1483 }
AzureIoTClient 12:658ca6865de2 1484 else
AzureIoTClient 12:658ca6865de2 1485 {
AzureIoTClient 12:658ca6865de2 1486 LogError("Failure: mqtt called back with null context.");
AzureIoTClient 11:31ebaeb51e1e 1487 }
AzureIoTClient 11:31ebaeb51e1e 1488 }
AzureIoTClient 11:31ebaeb51e1e 1489
AzureIoTClient 11:31ebaeb51e1e 1490 static void SubscribeToMqttProtocol(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1491 {
AzureIoTClient 11:31ebaeb51e1e 1492 if (transport_data->topics_ToSubscribe != UNSUBSCRIBE_FROM_TOPIC)
AzureIoTClient 11:31ebaeb51e1e 1493 {
AzureIoTClient 11:31ebaeb51e1e 1494 uint32_t topic_subscription = 0;
AzureIoTClient 11:31ebaeb51e1e 1495 size_t subscribe_count = 0;
AzureIoTClient 11:31ebaeb51e1e 1496 SUBSCRIBE_PAYLOAD subscribe[SUBSCRIBE_TOPIC_COUNT];
AzureIoTClient 11:31ebaeb51e1e 1497 if ((transport_data->topic_MqttMessage != NULL) && (SUBSCRIBE_TELEMETRY_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 11:31ebaeb51e1e 1498 {
AzureIoTClient 11:31ebaeb51e1e 1499 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 1500 subscribe[subscribe_count].qosReturn = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1501 topic_subscription |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1502 subscribe_count++;
AzureIoTClient 11:31ebaeb51e1e 1503 }
AzureIoTClient 12:658ca6865de2 1504 if ((transport_data->topic_GetState != NULL) && (SUBSCRIBE_GET_REPORTED_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1505 {
AzureIoTClient 12:658ca6865de2 1506 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 1507 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1508 topic_subscription |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1509 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1510 }
AzureIoTClient 12:658ca6865de2 1511 if ((transport_data->topic_NotifyState != NULL) && (SUBSCRIBE_NOTIFICATION_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1512 {
AzureIoTClient 12:658ca6865de2 1513 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 1514 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1515 topic_subscription |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1516 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1517 }
AzureIoTClient 12:658ca6865de2 1518 if ((transport_data->topic_DeviceMethods != NULL) && (SUBSCRIBE_DEVICE_METHOD_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1519 {
AzureIoTClient 12:658ca6865de2 1520 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 1521 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1522 topic_subscription |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1523 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1524 }
AzureIoTClient 11:31ebaeb51e1e 1525
AzureIoTClient 11:31ebaeb51e1e 1526 if (subscribe_count != 0)
AzureIoTClient 11:31ebaeb51e1e 1527 {
AzureIoTClient 12:658ca6865de2 1528 /* 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 1529 if (mqtt_client_subscribe(transport_data->mqttClient, get_next_packet_id(transport_data), subscribe, subscribe_count) != 0)
AzureIoTClient 11:31ebaeb51e1e 1530 {
AzureIoTClient 12:658ca6865de2 1531 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1532 LogError("Failure: mqtt_client_subscribe returned error.");
AzureIoTClient 11:31ebaeb51e1e 1533 }
AzureIoTClient 11:31ebaeb51e1e 1534 else
AzureIoTClient 11:31ebaeb51e1e 1535 {
AzureIoTClient 12:658ca6865de2 1536 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_018: [On success IoTHubTransport_MQTT_Common_Subscribe shall return 0.] */
AzureIoTClient 11:31ebaeb51e1e 1537 transport_data->topics_ToSubscribe &= ~topic_subscription;
AzureIoTClient 11:31ebaeb51e1e 1538 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1539 }
AzureIoTClient 11:31ebaeb51e1e 1540 }
AzureIoTClient 11:31ebaeb51e1e 1541 else
AzureIoTClient 11:31ebaeb51e1e 1542 {
AzureIoTClient 12:658ca6865de2 1543 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1544 LogError("Failure: subscribe_topic is empty.");
AzureIoTClient 11:31ebaeb51e1e 1545 }
AzureIoTClient 11:31ebaeb51e1e 1546 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1547 }
AzureIoTClient 11:31ebaeb51e1e 1548 else
AzureIoTClient 11:31ebaeb51e1e 1549 {
AzureIoTClient 11:31ebaeb51e1e 1550 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1551 }
AzureIoTClient 11:31ebaeb51e1e 1552 }
AzureIoTClient 11:31ebaeb51e1e 1553
AzureIoTClient 11:31ebaeb51e1e 1554 static const unsigned char* RetrieveMessagePayload(IOTHUB_MESSAGE_HANDLE messageHandle, size_t* length)
AzureIoTClient 11:31ebaeb51e1e 1555 {
AzureIoTClient 11:31ebaeb51e1e 1556 const unsigned char* result;
AzureIoTClient 11:31ebaeb51e1e 1557
AzureIoTClient 11:31ebaeb51e1e 1558 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1559 if (contentType == IOTHUBMESSAGE_BYTEARRAY)
AzureIoTClient 11:31ebaeb51e1e 1560 {
AzureIoTClient 11:31ebaeb51e1e 1561 if (IoTHubMessage_GetByteArray(messageHandle, &result, length) != IOTHUB_MESSAGE_OK)
AzureIoTClient 11:31ebaeb51e1e 1562 {
AzureIoTClient 11:31ebaeb51e1e 1563 LogError("Failure result from IoTHubMessage_GetByteArray");
AzureIoTClient 11:31ebaeb51e1e 1564 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1565 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1566 }
AzureIoTClient 11:31ebaeb51e1e 1567 }
AzureIoTClient 11:31ebaeb51e1e 1568 else if (contentType == IOTHUBMESSAGE_STRING)
AzureIoTClient 11:31ebaeb51e1e 1569 {
AzureIoTClient 11:31ebaeb51e1e 1570 result = (const unsigned char*)IoTHubMessage_GetString(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1571 if (result == NULL)
AzureIoTClient 11:31ebaeb51e1e 1572 {
AzureIoTClient 11:31ebaeb51e1e 1573 LogError("Failure result from IoTHubMessage_GetString");
AzureIoTClient 11:31ebaeb51e1e 1574 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1575 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1576 }
AzureIoTClient 11:31ebaeb51e1e 1577 else
AzureIoTClient 11:31ebaeb51e1e 1578 {
AzureIoTClient 11:31ebaeb51e1e 1579 *length = strlen((const char*)result);
AzureIoTClient 11:31ebaeb51e1e 1580 }
AzureIoTClient 11:31ebaeb51e1e 1581 }
AzureIoTClient 11:31ebaeb51e1e 1582 else
AzureIoTClient 11:31ebaeb51e1e 1583 {
AzureIoTClient 11:31ebaeb51e1e 1584 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1585 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1586 }
AzureIoTClient 11:31ebaeb51e1e 1587 return result;
AzureIoTClient 11:31ebaeb51e1e 1588 }
AzureIoTClient 11:31ebaeb51e1e 1589
AzureIoTClient 11:31ebaeb51e1e 1590 static int GetTransportProviderIfNecessary(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1591 {
AzureIoTClient 11:31ebaeb51e1e 1592 int result;
AzureIoTClient 11:31ebaeb51e1e 1593
AzureIoTClient 11:31ebaeb51e1e 1594 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1595 {
AzureIoTClient 11:31ebaeb51e1e 1596 // construct address
AzureIoTClient 11:31ebaeb51e1e 1597 const char* hostAddress = STRING_c_str(transport_data->hostAddress);
AzureIoTClient 20:594780be216d 1598 MQTT_TRANSPORT_PROXY_OPTIONS mqtt_proxy_options;
AzureIoTClient 20:594780be216d 1599
AzureIoTClient 20:594780be216d 1600 /* 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 1601 mqtt_proxy_options.host_address = transport_data->http_proxy_hostname;
AzureIoTClient 20:594780be216d 1602 mqtt_proxy_options.port = transport_data->http_proxy_port;
AzureIoTClient 20:594780be216d 1603 mqtt_proxy_options.username = transport_data->http_proxy_username;
AzureIoTClient 20:594780be216d 1604 mqtt_proxy_options.password = transport_data->http_proxy_password;
AzureIoTClient 20:594780be216d 1605
AzureIoTClient 20:594780be216d 1606 /* 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 1607 transport_data->xioTransport = transport_data->get_io_transport(hostAddress, (transport_data->http_proxy_hostname == NULL) ? NULL : &mqtt_proxy_options);
AzureIoTClient 11:31ebaeb51e1e 1608 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1609 {
AzureIoTClient 11:31ebaeb51e1e 1610 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 18:ec8e5e97c6a4 1611 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1612 }
AzureIoTClient 11:31ebaeb51e1e 1613 else
AzureIoTClient 11:31ebaeb51e1e 1614 {
AzureIoTClient 28:0cd355c3294e 1615 if (IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module) == IOTHUB_CREDENTIAL_TYPE_X509_ECC)
AzureIoTClient 28:0cd355c3294e 1616 {
AzureIoTClient 28:0cd355c3294e 1617 if (IoTHubClient_Auth_Set_xio_Certificate(transport_data->authorization_module, transport_data->xioTransport) != 0)
AzureIoTClient 28:0cd355c3294e 1618 {
AzureIoTClient 28:0cd355c3294e 1619 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 28:0cd355c3294e 1620 result = __FAILURE__;
AzureIoTClient 28:0cd355c3294e 1621 }
AzureIoTClient 28:0cd355c3294e 1622 else
AzureIoTClient 28:0cd355c3294e 1623 {
AzureIoTClient 28:0cd355c3294e 1624 result = 0;
AzureIoTClient 28:0cd355c3294e 1625 }
AzureIoTClient 28:0cd355c3294e 1626 }
AzureIoTClient 28:0cd355c3294e 1627 else
AzureIoTClient 28:0cd355c3294e 1628 {
AzureIoTClient 28:0cd355c3294e 1629 result = 0;
AzureIoTClient 28:0cd355c3294e 1630 }
AzureIoTClient 28:0cd355c3294e 1631
AzureIoTClient 28:0cd355c3294e 1632 if (result == 0)
AzureIoTClient 28:0cd355c3294e 1633 {
AzureIoTClient 28:0cd355c3294e 1634 if (transport_data->saved_tls_options != NULL)
AzureIoTClient 28:0cd355c3294e 1635 {
AzureIoTClient 28:0cd355c3294e 1636 if (OptionHandler_FeedOptions(transport_data->saved_tls_options, transport_data->xioTransport) != OPTIONHANDLER_OK)
AzureIoTClient 28:0cd355c3294e 1637 {
AzureIoTClient 28:0cd355c3294e 1638 LogError("Failed feeding existing options to new TLS instance.");
AzureIoTClient 28:0cd355c3294e 1639 result = __FAILURE__;
AzureIoTClient 28:0cd355c3294e 1640 }
AzureIoTClient 28:0cd355c3294e 1641 else
AzureIoTClient 28:0cd355c3294e 1642 {
AzureIoTClient 28:0cd355c3294e 1643 // The tlsio has the options, so our copy can be deleted
AzureIoTClient 28:0cd355c3294e 1644 set_saved_tls_options(transport_data, NULL);
AzureIoTClient 28:0cd355c3294e 1645 result = 0;
AzureIoTClient 28:0cd355c3294e 1646 }
AzureIoTClient 28:0cd355c3294e 1647 }
AzureIoTClient 28:0cd355c3294e 1648 else
AzureIoTClient 28:0cd355c3294e 1649 {
AzureIoTClient 28:0cd355c3294e 1650 result = 0;
AzureIoTClient 28:0cd355c3294e 1651 }
AzureIoTClient 28:0cd355c3294e 1652 }
AzureIoTClient 11:31ebaeb51e1e 1653 }
AzureIoTClient 11:31ebaeb51e1e 1654 }
AzureIoTClient 11:31ebaeb51e1e 1655 else
AzureIoTClient 11:31ebaeb51e1e 1656 {
AzureIoTClient 11:31ebaeb51e1e 1657 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1658 }
AzureIoTClient 11:31ebaeb51e1e 1659 return result;
AzureIoTClient 11:31ebaeb51e1e 1660 }
AzureIoTClient 11:31ebaeb51e1e 1661
AzureIoTClient 36:3b9944257dd5 1662 //static int is_key_validate(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 36:3b9944257dd5 1663 //{
AzureIoTClient 36:3b9944257dd5 1664 // int result;
AzureIoTClient 36:3b9944257dd5 1665 // IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(config->auth_module_handle);
AzureIoTClient 36:3b9944257dd5 1666 // if (cred_type == IOTHUB_CREDENTIAL_TYPE_X509 || cred_type == IOTHUB_CREDENTIAL_TYPE_X509_ECC)
AzureIoTClient 36:3b9944257dd5 1667 // {
AzureIoTClient 36:3b9944257dd5 1668 // result = 0;
AzureIoTClient 36:3b9944257dd5 1669 // }
AzureIoTClient 36:3b9944257dd5 1670 // else
AzureIoTClient 36:3b9944257dd5 1671 // {
AzureIoTClient 36:3b9944257dd5 1672 // if (config->upperConfig->deviceKey == NULL && config->upperConfig->deviceSasToken == NULL)
AzureIoTClient 36:3b9944257dd5 1673 // {
AzureIoTClient 36:3b9944257dd5 1674 // if (IoTHubClient_Auth_Get_DeviceKey(config->auth_module_handle) == NULL)
AzureIoTClient 36:3b9944257dd5 1675 // {
AzureIoTClient 36:3b9944257dd5 1676 // result = __FAILURE__;
AzureIoTClient 36:3b9944257dd5 1677 // }
AzureIoTClient 36:3b9944257dd5 1678 // else
AzureIoTClient 36:3b9944257dd5 1679 // {
AzureIoTClient 36:3b9944257dd5 1680 // result = 0;
AzureIoTClient 36:3b9944257dd5 1681 // }
AzureIoTClient 36:3b9944257dd5 1682 // }
AzureIoTClient 36:3b9944257dd5 1683 // else
AzureIoTClient 36:3b9944257dd5 1684 // {
AzureIoTClient 36:3b9944257dd5 1685 // result = 0;
AzureIoTClient 36:3b9944257dd5 1686 // }
AzureIoTClient 36:3b9944257dd5 1687 // }
AzureIoTClient 36:3b9944257dd5 1688 // return result;
AzureIoTClient 36:3b9944257dd5 1689 //}
AzureIoTClient 28:0cd355c3294e 1690
AzureIoTClient 11:31ebaeb51e1e 1691 static int SendMqttConnectMsg(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1692 {
AzureIoTClient 11:31ebaeb51e1e 1693 int result;
AzureIoTClient 11:31ebaeb51e1e 1694
AzureIoTClient 21:167f8fcf6fb1 1695 char* sasToken = NULL;
AzureIoTClient 21:167f8fcf6fb1 1696 result = 0;
AzureIoTClient 21:167f8fcf6fb1 1697
AzureIoTClient 21:167f8fcf6fb1 1698 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module);
AzureIoTClient 28:0cd355c3294e 1699 if (cred_type == IOTHUB_CREDENTIAL_TYPE_DEVICE_KEY || cred_type == IOTHUB_CREDENTIAL_TYPE_DEVICE_AUTH)
AzureIoTClient 11:31ebaeb51e1e 1700 {
AzureIoTClient 29:923be0c3998a 1701 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 1702 if (sasToken == NULL)
AzureIoTClient 21:167f8fcf6fb1 1703 {
AzureIoTClient 28:0cd355c3294e 1704 LogError("failure getting sas token from IoTHubClient_Auth_Get_SasToken.");
AzureIoTClient 21:167f8fcf6fb1 1705 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1706 }
AzureIoTClient 11:31ebaeb51e1e 1707 }
AzureIoTClient 21:167f8fcf6fb1 1708 else if (cred_type == IOTHUB_CREDENTIAL_TYPE_SAS_TOKEN)
AzureIoTClient 11:31ebaeb51e1e 1709 {
AzureIoTClient 21:167f8fcf6fb1 1710 SAS_TOKEN_STATUS token_status = IoTHubClient_Auth_Is_SasToken_Valid(transport_data->authorization_module);
AzureIoTClient 21:167f8fcf6fb1 1711 if (token_status == SAS_TOKEN_STATUS_INVALID)
AzureIoTClient 21:167f8fcf6fb1 1712 {
AzureIoTClient 21:167f8fcf6fb1 1713 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 21:167f8fcf6fb1 1714 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1715 }
AzureIoTClient 21:167f8fcf6fb1 1716 else if (token_status == SAS_TOKEN_STATUS_FAILED)
AzureIoTClient 11:31ebaeb51e1e 1717 {
AzureIoTClient 21:167f8fcf6fb1 1718 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 21:167f8fcf6fb1 1719 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1720 }
AzureIoTClient 21:167f8fcf6fb1 1721 else
AzureIoTClient 21:167f8fcf6fb1 1722 {
AzureIoTClient 21:167f8fcf6fb1 1723 sasToken = IoTHubClient_Auth_Get_SasToken(transport_data->authorization_module, NULL, 0);
AzureIoTClient 21:167f8fcf6fb1 1724 if (sasToken == NULL)
AzureIoTClient 11:31ebaeb51e1e 1725 {
AzureIoTClient 21:167f8fcf6fb1 1726 LogError("failure getting sas Token.");
AzureIoTClient 18:ec8e5e97c6a4 1727 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1728 }
AzureIoTClient 21:167f8fcf6fb1 1729 }
AzureIoTClient 21:167f8fcf6fb1 1730 }
AzureIoTClient 11:31ebaeb51e1e 1731
AzureIoTClient 21:167f8fcf6fb1 1732 if (result == 0)
AzureIoTClient 21:167f8fcf6fb1 1733 {
AzureIoTClient 24:4096249decf1 1734 if (!transport_data->isProductInfoSet)
AzureIoTClient 22:07fec4d325b6 1735 {
AzureIoTClient 24:4096249decf1 1736 // This requires the iothubClientHandle, which sadly the MQTT transport only gets on DoWork, so this code still needs to remain here.
AzureIoTClient 24:4096249decf1 1737 // The correct place for this would be in the Create method, but we don't get the client handle there.
AzureIoTClient 24:4096249decf1 1738 // Also, when device multiplexing is used, the customer creates the transport directly and explicitly, when the client is still not created.
AzureIoTClient 24:4096249decf1 1739 // This will be a major hurdle when we add device multiplexing to MQTT transport.
AzureIoTClient 24:4096249decf1 1740
AzureIoTClient 24:4096249decf1 1741 void* product_info;
AzureIoTClient 24:4096249decf1 1742 STRING_HANDLE clone;
AzureIoTClient 24:4096249decf1 1743 if ((IoTHubClient_LL_GetOption(transport_data->llClientHandle, OPTION_PRODUCT_INFO, &product_info) == IOTHUB_CLIENT_ERROR) || (product_info == NULL))
AzureIoTClient 24:4096249decf1 1744 {
AzureIoTClient 24:4096249decf1 1745 clone = STRING_construct_sprintf("%s%%2F%s", CLIENT_DEVICE_TYPE_PREFIX, IOTHUB_SDK_VERSION);
AzureIoTClient 24:4096249decf1 1746 }
AzureIoTClient 24:4096249decf1 1747 else
AzureIoTClient 24:4096249decf1 1748 {
AzureIoTClient 24:4096249decf1 1749 clone = URL_Encode(product_info);
AzureIoTClient 24:4096249decf1 1750 }
AzureIoTClient 24:4096249decf1 1751
AzureIoTClient 24:4096249decf1 1752 if (clone == NULL)
AzureIoTClient 24:4096249decf1 1753 {
AzureIoTClient 24:4096249decf1 1754 LogError("Failed obtaining the product info");
AzureIoTClient 24:4096249decf1 1755 }
AzureIoTClient 24:4096249decf1 1756 else
AzureIoTClient 24:4096249decf1 1757 {
AzureIoTClient 24:4096249decf1 1758 if (STRING_concat_with_STRING(transport_data->configPassedThroughUsername, clone) != 0)
AzureIoTClient 24:4096249decf1 1759 {
AzureIoTClient 24:4096249decf1 1760 LogError("Failed concatenating the product info");
AzureIoTClient 24:4096249decf1 1761 }
AzureIoTClient 24:4096249decf1 1762 else
AzureIoTClient 24:4096249decf1 1763 {
AzureIoTClient 24:4096249decf1 1764 transport_data->isProductInfoSet = true;
AzureIoTClient 24:4096249decf1 1765 }
AzureIoTClient 24:4096249decf1 1766
AzureIoTClient 24:4096249decf1 1767 STRING_delete(clone);
AzureIoTClient 24:4096249decf1 1768 }
AzureIoTClient 22:07fec4d325b6 1769 }
AzureIoTClient 22:07fec4d325b6 1770
AzureIoTClient 21:167f8fcf6fb1 1771 MQTT_CLIENT_OPTIONS options = { 0 };
AzureIoTClient 21:167f8fcf6fb1 1772 options.clientId = (char*)STRING_c_str(transport_data->device_id);
AzureIoTClient 21:167f8fcf6fb1 1773 options.willMessage = NULL;
AzureIoTClient 21:167f8fcf6fb1 1774 options.username = (char*)STRING_c_str(transport_data->configPassedThroughUsername);
AzureIoTClient 21:167f8fcf6fb1 1775 if (sasToken != NULL)
AzureIoTClient 11:31ebaeb51e1e 1776 {
AzureIoTClient 21:167f8fcf6fb1 1777 options.password = sasToken;
AzureIoTClient 21:167f8fcf6fb1 1778 }
AzureIoTClient 21:167f8fcf6fb1 1779 options.keepAliveInterval = transport_data->keepAliveValue;
AzureIoTClient 21:167f8fcf6fb1 1780 options.useCleanSession = false;
AzureIoTClient 21:167f8fcf6fb1 1781 options.qualityOfServiceValue = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1782
AzureIoTClient 21:167f8fcf6fb1 1783 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 21:167f8fcf6fb1 1784 {
AzureIoTClient 21:167f8fcf6fb1 1785 if (mqtt_client_connect(transport_data->mqttClient, transport_data->xioTransport, &options) != 0)
AzureIoTClient 11:31ebaeb51e1e 1786 {
AzureIoTClient 24:4096249decf1 1787 LogError("failure connecting to address %s.", STRING_c_str(transport_data->hostAddress));
AzureIoTClient 21:167f8fcf6fb1 1788 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1789 }
AzureIoTClient 11:31ebaeb51e1e 1790 else
AzureIoTClient 11:31ebaeb51e1e 1791 {
AzureIoTClient 21:167f8fcf6fb1 1792 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->mqtt_connect_time);
AzureIoTClient 21:167f8fcf6fb1 1793 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1794 }
AzureIoTClient 21:167f8fcf6fb1 1795 }
AzureIoTClient 21:167f8fcf6fb1 1796 else
AzureIoTClient 21:167f8fcf6fb1 1797 {
AzureIoTClient 21:167f8fcf6fb1 1798 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1799 }
AzureIoTClient 12:658ca6865de2 1800
AzureIoTClient 21:167f8fcf6fb1 1801 if (sasToken != NULL)
AzureIoTClient 21:167f8fcf6fb1 1802 {
AzureIoTClient 21:167f8fcf6fb1 1803 free(sasToken);
AzureIoTClient 11:31ebaeb51e1e 1804 }
AzureIoTClient 11:31ebaeb51e1e 1805 }
AzureIoTClient 11:31ebaeb51e1e 1806 return result;
AzureIoTClient 11:31ebaeb51e1e 1807 }
AzureIoTClient 11:31ebaeb51e1e 1808
AzureIoTClient 11:31ebaeb51e1e 1809 static int InitializeConnection(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1810 {
AzureIoTClient 11:31ebaeb51e1e 1811 int result = 0;
AzureIoTClient 11:31ebaeb51e1e 1812
AzureIoTClient 11:31ebaeb51e1e 1813 // Make sure we're not destroying the object
AzureIoTClient 11:31ebaeb51e1e 1814 if (!transport_data->isDestroyCalled)
AzureIoTClient 11:31ebaeb51e1e 1815 {
AzureIoTClient 25:a35763780a87 1816 RETRY_ACTION retry_action = RETRY_ACTION_RETRY_LATER;
AzureIoTClient 25:a35763780a87 1817
AzureIoTClient 25:a35763780a87 1818 // 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 1819 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_NOT_CONNECTED && transport_data->isRecoverableError &&
AzureIoTClient 25:a35763780a87 1820 (retry_control_should_retry(transport_data->retry_control_handle, &retry_action) != 0 || retry_action == RETRY_ACTION_RETRY_NOW))
AzureIoTClient 11:31ebaeb51e1e 1821 {
AzureIoTClient 25:a35763780a87 1822 // Note: in case retry_control_should_retry fails, the reconnection shall be attempted anyway (defaulting to policy IOTHUB_CLIENT_RETRY_IMMEDIATE).
AzureIoTClient 25:a35763780a87 1823
Azure.IoT.Build 13:606465879c57 1824 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->connectTick) != 0)
AzureIoTClient 11:31ebaeb51e1e 1825 {
AzureIoTClient 12:658ca6865de2 1826 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1827 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1828 }
AzureIoTClient 12:658ca6865de2 1829 else
AzureIoTClient 11:31ebaeb51e1e 1830 {
AzureIoTClient 12:658ca6865de2 1831 if (SendMqttConnectMsg(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 1832 {
AzureIoTClient 11:31ebaeb51e1e 1833 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1834 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1835 }
AzureIoTClient 11:31ebaeb51e1e 1836 else
AzureIoTClient 11:31ebaeb51e1e 1837 {
AzureIoTClient 20:594780be216d 1838 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTING;
AzureIoTClient 12:658ca6865de2 1839 transport_data->connectFailCount = 0;
AzureIoTClient 12:658ca6865de2 1840 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1841 }
AzureIoTClient 11:31ebaeb51e1e 1842 }
AzureIoTClient 11:31ebaeb51e1e 1843 }
AzureIoTClient 21:167f8fcf6fb1 1844 // 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 1845 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTING)
AzureIoTClient 11:31ebaeb51e1e 1846 {
AzureIoTClient 20:594780be216d 1847 tickcounter_ms_t current_time;
AzureIoTClient 20:594780be216d 1848 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 20:594780be216d 1849 {
AzureIoTClient 20:594780be216d 1850 LogError("failed verifying MQTT_CLIENT_STATUS_CONNECTING timeout");
AzureIoTClient 20:594780be216d 1851 result = __FAILURE__;
AzureIoTClient 20:594780be216d 1852 }
AzureIoTClient 32:103a46ed8822 1853 else if ((current_time - transport_data->mqtt_connect_time) / 1000 > transport_data->connect_timeout_in_sec)
AzureIoTClient 20:594780be216d 1854 {
AzureIoTClient 20:594780be216d 1855 LogError("mqtt_client timed out waiting for CONNACK");
AzureIoTClient 20:594780be216d 1856 DisconnectFromClient(transport_data);
AzureIoTClient 20:594780be216d 1857 result = 0;
AzureIoTClient 20:594780be216d 1858 }
AzureIoTClient 20:594780be216d 1859 }
AzureIoTClient 20:594780be216d 1860 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTED)
AzureIoTClient 20:594780be216d 1861 {
AzureIoTClient 20:594780be216d 1862 // We are connected and not being closed, so does SAS need to reconnect?
Azure.IoT.Build 13:606465879c57 1863 tickcounter_ms_t current_time;
Azure.IoT.Build 13:606465879c57 1864 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 11:31ebaeb51e1e 1865 {
AzureIoTClient 11:31ebaeb51e1e 1866 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1867 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1868 }
AzureIoTClient 11:31ebaeb51e1e 1869 else
AzureIoTClient 11:31ebaeb51e1e 1870 {
AzureIoTClient 29:923be0c3998a 1871 if ((current_time - transport_data->mqtt_connect_time) / 1000 > (transport_data->option_sas_token_lifetime_secs*SAS_REFRESH_MULTIPLIER))
AzureIoTClient 11:31ebaeb51e1e 1872 {
AzureIoTClient 27:04de3c0bf1db 1873 /* 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 1874 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 28:0cd355c3294e 1875 set_saved_tls_options(transport_data, options);
AzureIoTClient 28:0cd355c3294e 1876 (void)mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 27:04de3c0bf1db 1877 xio_destroy(transport_data->xioTransport);
AzureIoTClient 27:04de3c0bf1db 1878 transport_data->xioTransport = NULL;
AzureIoTClient 27:04de3c0bf1db 1879
AzureIoTClient 19:f87dfe76bc70 1880 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 20:594780be216d 1881 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1882 transport_data->currPacketState = UNKNOWN_TYPE;
AzureIoTClient 12:658ca6865de2 1883 transport_data->device_twin_get_sent = false;
AzureIoTClient 11:31ebaeb51e1e 1884 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 11:31ebaeb51e1e 1885 {
AzureIoTClient 11:31ebaeb51e1e 1886 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1887 }
AzureIoTClient 12:658ca6865de2 1888 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 1889 {
AzureIoTClient 12:658ca6865de2 1890 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1891 }
AzureIoTClient 12:658ca6865de2 1892 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 1893 {
AzureIoTClient 12:658ca6865de2 1894 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1895 }
AzureIoTClient 12:658ca6865de2 1896 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 1897 {
AzureIoTClient 12:658ca6865de2 1898 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1899 }
AzureIoTClient 11:31ebaeb51e1e 1900 }
AzureIoTClient 11:31ebaeb51e1e 1901 }
AzureIoTClient 11:31ebaeb51e1e 1902 }
AzureIoTClient 11:31ebaeb51e1e 1903 }
AzureIoTClient 11:31ebaeb51e1e 1904 return result;
AzureIoTClient 11:31ebaeb51e1e 1905 }
AzureIoTClient 11:31ebaeb51e1e 1906
AzureIoTClient 11:31ebaeb51e1e 1907 static STRING_HANDLE buildConfigForUsername(const IOTHUB_CLIENT_CONFIG* upperConfig)
AzureIoTClient 11:31ebaeb51e1e 1908 {
AzureIoTClient 22:07fec4d325b6 1909 return STRING_construct_sprintf("%s.%s/%s/api-version=%s&DeviceClientType=", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId, IOTHUB_API_VERSION);
AzureIoTClient 11:31ebaeb51e1e 1910 }
AzureIoTClient 11:31ebaeb51e1e 1911
AzureIoTClient 21:167f8fcf6fb1 1912 static PMQTTTRANSPORT_HANDLE_DATA InitializeTransportHandleData(const IOTHUB_CLIENT_CONFIG* upperConfig, PDLIST_ENTRY waitingToSend, IOTHUB_AUTHORIZATION_HANDLE auth_module)
AzureIoTClient 11:31ebaeb51e1e 1913 {
AzureIoTClient 11:31ebaeb51e1e 1914 PMQTTTRANSPORT_HANDLE_DATA state = (PMQTTTRANSPORT_HANDLE_DATA)malloc(sizeof(MQTTTRANSPORT_HANDLE_DATA));
AzureIoTClient 11:31ebaeb51e1e 1915 if (state == NULL)
AzureIoTClient 11:31ebaeb51e1e 1916 {
AzureIoTClient 11:31ebaeb51e1e 1917 LogError("Could not create MQTT transport state. Memory allocation failed.");
AzureIoTClient 11:31ebaeb51e1e 1918 }
AzureIoTClient 11:31ebaeb51e1e 1919 else
AzureIoTClient 11:31ebaeb51e1e 1920 {
AzureIoTClient 21:167f8fcf6fb1 1921 memset(state, 0, sizeof(MQTTTRANSPORT_HANDLE_DATA) );
AzureIoTClient 21:167f8fcf6fb1 1922 if ((state->msgTickCounter = tickcounter_create()) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1923 {
AzureIoTClient 21:167f8fcf6fb1 1924 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 31:d6198e67d1eb 1925 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 1926 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 1927 }
AzureIoTClient 25:a35763780a87 1928 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_005: [ MQTT transport shall use EXPONENTIAL_WITH_BACK_OFF as default retry policy ]
AzureIoTClient 25:a35763780a87 1929 else if ((state->retry_control_handle = retry_control_create(DEFAULT_RETRY_POLICY, DEFAULT_RETRY_TIMEOUT_IN_SECONDS)) == NULL)
AzureIoTClient 25:a35763780a87 1930 {
AzureIoTClient 25:a35763780a87 1931 LogError("Failed creating default retry control");
AzureIoTClient 31:d6198e67d1eb 1932 free_transport_handle_data(state);
AzureIoTClient 25:a35763780a87 1933 state = NULL;
AzureIoTClient 25:a35763780a87 1934 }
AzureIoTClient 21:167f8fcf6fb1 1935 else if ((state->device_id = STRING_construct(upperConfig->deviceId)) == NULL)
AzureIoTClient 21:167f8fcf6fb1 1936 {
AzureIoTClient 21:167f8fcf6fb1 1937 LogError("failure constructing device_id.");
AzureIoTClient 31:d6198e67d1eb 1938 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1939 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1940 }
AzureIoTClient 21:167f8fcf6fb1 1941 else if ((state->devicesPath = STRING_construct_sprintf("%s.%s/devices/%s", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1942 {
AzureIoTClient 31:d6198e67d1eb 1943 LogError("failure constructing devicesPath.");
AzureIoTClient 31:d6198e67d1eb 1944 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1945 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1946 }
AzureIoTClient 11:31ebaeb51e1e 1947 else
AzureIoTClient 11:31ebaeb51e1e 1948 {
AzureIoTClient 21:167f8fcf6fb1 1949 if ( (state->topic_MqttEvent = STRING_construct_sprintf(TOPIC_DEVICE_DEVICE, upperConfig->deviceId) ) == NULL)
AzureIoTClient 11:31ebaeb51e1e 1950 {
AzureIoTClient 21:167f8fcf6fb1 1951 LogError("Could not create topic_MqttEvent for MQTT");
AzureIoTClient 31:d6198e67d1eb 1952 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1953 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1954 }
AzureIoTClient 11:31ebaeb51e1e 1955 else
AzureIoTClient 11:31ebaeb51e1e 1956 {
AzureIoTClient 21:167f8fcf6fb1 1957 state->mqttClient = mqtt_client_init(mqtt_notification_callback, mqtt_operation_complete_callback, state, mqtt_error_callback, state);
AzureIoTClient 21:167f8fcf6fb1 1958 if (state->mqttClient == NULL)
AzureIoTClient 11:31ebaeb51e1e 1959 {
AzureIoTClient 21:167f8fcf6fb1 1960 LogError("failure initializing mqtt client.");
AzureIoTClient 31:d6198e67d1eb 1961 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 1962 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 1963 }
AzureIoTClient 11:31ebaeb51e1e 1964 else
AzureIoTClient 11:31ebaeb51e1e 1965 {
AzureIoTClient 21:167f8fcf6fb1 1966 /* 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 1967 if (upperConfig->protocolGatewayHostName == NULL)
AzureIoTClient 21:167f8fcf6fb1 1968 {
AzureIoTClient 21:167f8fcf6fb1 1969 state->hostAddress = STRING_construct_sprintf("%s.%s", upperConfig->iotHubName, upperConfig->iotHubSuffix);
AzureIoTClient 21:167f8fcf6fb1 1970 }
AzureIoTClient 21:167f8fcf6fb1 1971 else
AzureIoTClient 21:167f8fcf6fb1 1972 {
AzureIoTClient 21:167f8fcf6fb1 1973 state->hostAddress = STRING_construct(upperConfig->protocolGatewayHostName);
AzureIoTClient 21:167f8fcf6fb1 1974 }
AzureIoTClient 21:167f8fcf6fb1 1975
AzureIoTClient 21:167f8fcf6fb1 1976 if (state->hostAddress == NULL)
AzureIoTClient 21:167f8fcf6fb1 1977 {
AzureIoTClient 21:167f8fcf6fb1 1978 LogError("failure constructing host address.");
AzureIoTClient 31:d6198e67d1eb 1979 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 1980 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 1981 }
AzureIoTClient 21:167f8fcf6fb1 1982 else if ((state->configPassedThroughUsername = buildConfigForUsername(upperConfig)) == NULL)
AzureIoTClient 21:167f8fcf6fb1 1983 {
AzureIoTClient 31:d6198e67d1eb 1984 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 1985 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 1986 }
AzureIoTClient 21:167f8fcf6fb1 1987 else
AzureIoTClient 21:167f8fcf6fb1 1988 {
AzureIoTClient 21:167f8fcf6fb1 1989 /* 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 1990 DList_InitializeListHead(&(state->telemetry_waitingForAck));
AzureIoTClient 21:167f8fcf6fb1 1991 DList_InitializeListHead(&(state->ack_waiting_queue));
AzureIoTClient 21:167f8fcf6fb1 1992 state->isDestroyCalled = false;
AzureIoTClient 21:167f8fcf6fb1 1993 state->isRegistered = false;
AzureIoTClient 21:167f8fcf6fb1 1994 state->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 21:167f8fcf6fb1 1995 state->device_twin_get_sent = false;
AzureIoTClient 21:167f8fcf6fb1 1996 state->isRecoverableError = true;
AzureIoTClient 21:167f8fcf6fb1 1997 state->packetId = 1;
AzureIoTClient 21:167f8fcf6fb1 1998 state->llClientHandle = NULL;
AzureIoTClient 21:167f8fcf6fb1 1999 state->xioTransport = NULL;
AzureIoTClient 21:167f8fcf6fb1 2000 state->portNum = 0;
AzureIoTClient 21:167f8fcf6fb1 2001 state->waitingToSend = waitingToSend;
AzureIoTClient 21:167f8fcf6fb1 2002 state->currPacketState = CONNECT_TYPE;
AzureIoTClient 21:167f8fcf6fb1 2003 state->keepAliveValue = DEFAULT_MQTT_KEEPALIVE;
AzureIoTClient 32:103a46ed8822 2004 state->connect_timeout_in_sec = DEFAULT_CONNACK_TIMEOUT;
AzureIoTClient 21:167f8fcf6fb1 2005 state->connectFailCount = 0;
AzureIoTClient 21:167f8fcf6fb1 2006 state->connectTick = 0;
AzureIoTClient 21:167f8fcf6fb1 2007 state->topic_MqttMessage = NULL;
AzureIoTClient 21:167f8fcf6fb1 2008 state->topic_GetState = NULL;
AzureIoTClient 21:167f8fcf6fb1 2009 state->topic_NotifyState = NULL;
AzureIoTClient 21:167f8fcf6fb1 2010 state->topics_ToSubscribe = UNSUBSCRIBE_FROM_TOPIC;
AzureIoTClient 21:167f8fcf6fb1 2011 state->topic_DeviceMethods = NULL;
AzureIoTClient 21:167f8fcf6fb1 2012 state->log_trace = state->raw_trace = false;
AzureIoTClient 21:167f8fcf6fb1 2013 srand((unsigned int)get_time(NULL));
AzureIoTClient 21:167f8fcf6fb1 2014 state->authorization_module = auth_module;
AzureIoTClient 24:4096249decf1 2015 state->isProductInfoSet = false;
AzureIoTClient 29:923be0c3998a 2016 state->option_sas_token_lifetime_secs = SAS_TOKEN_DEFAULT_LIFETIME;
AzureIoTClient 21:167f8fcf6fb1 2017 }
AzureIoTClient 11:31ebaeb51e1e 2018 }
AzureIoTClient 11:31ebaeb51e1e 2019 }
AzureIoTClient 11:31ebaeb51e1e 2020 }
AzureIoTClient 11:31ebaeb51e1e 2021 }
AzureIoTClient 11:31ebaeb51e1e 2022 return state;
AzureIoTClient 11:31ebaeb51e1e 2023 }
AzureIoTClient 11:31ebaeb51e1e 2024
AzureIoTClient 11:31ebaeb51e1e 2025 TRANSPORT_LL_HANDLE IoTHubTransport_MQTT_Common_Create(const IOTHUBTRANSPORT_CONFIG* config, MQTT_GET_IO_TRANSPORT get_io_transport)
AzureIoTClient 11:31ebaeb51e1e 2026 {
AzureIoTClient 11:31ebaeb51e1e 2027 PMQTTTRANSPORT_HANDLE_DATA result;
AzureIoTClient 11:31ebaeb51e1e 2028 size_t deviceIdSize;
AzureIoTClient 11:31ebaeb51e1e 2029
AzureIoTClient 12:658ca6865de2 2030 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [If parameter config is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2031 /* 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 2032 if (config == NULL || get_io_transport == NULL)
AzureIoTClient 11:31ebaeb51e1e 2033 {
AzureIoTClient 11:31ebaeb51e1e 2034 LogError("Invalid Argument: Config Parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2035 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2036 }
AzureIoTClient 28:0cd355c3294e 2037 /* 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 2038 else if (config->auth_module_handle == NULL)
AzureIoTClient 28:0cd355c3294e 2039 {
AzureIoTClient 28:0cd355c3294e 2040 LogError("Invalid Argument: auth_module_handle is NULL)");
AzureIoTClient 28:0cd355c3294e 2041 result = NULL;
AzureIoTClient 28:0cd355c3294e 2042 }
AzureIoTClient 12:658ca6865de2 2043 /* 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 2044 /* 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 2045 /* 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 2046 else if (config->upperConfig == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2047 config->upperConfig->protocol == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2048 config->upperConfig->deviceId == NULL ||
AzureIoTClient 28:0cd355c3294e 2049 ((config->upperConfig->deviceKey != NULL) && (config->upperConfig->deviceSasToken != NULL)) ||
AzureIoTClient 28:0cd355c3294e 2050 //is_key_validate(config) != 0 ||
AzureIoTClient 28:0cd355c3294e 2051 config->upperConfig->iotHubName == NULL ||
AzureIoTClient 28:0cd355c3294e 2052 config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient 11:31ebaeb51e1e 2053 {
AzureIoTClient 11:31ebaeb51e1e 2054 LogError("Invalid Argument: upperConfig structure contains an invalid parameter");
AzureIoTClient 11:31ebaeb51e1e 2055 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2056 }
AzureIoTClient 21:167f8fcf6fb1 2057 /* 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 2058 else if (config->waitingToSend == NULL)
AzureIoTClient 11:31ebaeb51e1e 2059 {
AzureIoTClient 11:31ebaeb51e1e 2060 LogError("Invalid Argument: waitingToSend is NULL)");
AzureIoTClient 11:31ebaeb51e1e 2061 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2062 }
AzureIoTClient 12:658ca6865de2 2063 /* 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 2064 else if ( ( (deviceIdSize = strlen(config->upperConfig->deviceId)) > 128U) || (deviceIdSize == 0) )
AzureIoTClient 11:31ebaeb51e1e 2065 {
AzureIoTClient 11:31ebaeb51e1e 2066 LogError("Invalid Argument: DeviceId is of an invalid size");
AzureIoTClient 11:31ebaeb51e1e 2067 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2068 }
AzureIoTClient 12:658ca6865de2 2069 /* 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 2070 else if ((config->upperConfig->deviceKey != NULL) && (strlen(config->upperConfig->deviceKey) == 0))
AzureIoTClient 11:31ebaeb51e1e 2071 {
AzureIoTClient 11:31ebaeb51e1e 2072 LogError("Invalid Argument: deviceKey is empty");
AzureIoTClient 11:31ebaeb51e1e 2073 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2074 }
AzureIoTClient 12:658ca6865de2 2075 /* 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 2076 else if ((config->upperConfig->deviceSasToken != NULL) && (strlen(config->upperConfig->deviceSasToken) == 0))
AzureIoTClient 11:31ebaeb51e1e 2077 {
AzureIoTClient 11:31ebaeb51e1e 2078 LogError("Invalid Argument: deviceSasToken is empty");
AzureIoTClient 11:31ebaeb51e1e 2079 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2080 }
AzureIoTClient 12:658ca6865de2 2081 /* 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 2082 else if (strlen(config->upperConfig->iotHubName) == 0)
AzureIoTClient 11:31ebaeb51e1e 2083 {
AzureIoTClient 11:31ebaeb51e1e 2084 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 11:31ebaeb51e1e 2085 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2086 }
AzureIoTClient 11:31ebaeb51e1e 2087 else
AzureIoTClient 11:31ebaeb51e1e 2088 {
AzureIoTClient 21:167f8fcf6fb1 2089 result = InitializeTransportHandleData(config->upperConfig, config->waitingToSend, config->auth_module_handle);
Azure.IoT.Build 13:606465879c57 2090 if (result != NULL)
AzureIoTClient 11:31ebaeb51e1e 2091 {
AzureIoTClient 11:31ebaeb51e1e 2092 result->get_io_transport = get_io_transport;
AzureIoTClient 20:594780be216d 2093 result->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2094 result->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2095 result->http_proxy_password = NULL;
AzureIoTClient 11:31ebaeb51e1e 2096 }
AzureIoTClient 11:31ebaeb51e1e 2097 }
AzureIoTClient 12:658ca6865de2 2098 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [If any error is encountered then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2099 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_011: [On Success IoTHubTransport_MQTT_Common_Create shall return a non-NULL value.] */
AzureIoTClient 11:31ebaeb51e1e 2100 return result;
AzureIoTClient 11:31ebaeb51e1e 2101 }
AzureIoTClient 11:31ebaeb51e1e 2102
AzureIoTClient 11:31ebaeb51e1e 2103 void IoTHubTransport_MQTT_Common_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2104 {
AzureIoTClient 12:658ca6865de2 2105 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [IoTHubTransport_MQTT_Common_Destroy shall do nothing if parameter handle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2106 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2107 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2108 {
AzureIoTClient 11:31ebaeb51e1e 2109 transport_data->isDestroyCalled = true;
AzureIoTClient 11:31ebaeb51e1e 2110
AzureIoTClient 11:31ebaeb51e1e 2111 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2112
AzureIoTClient 11:31ebaeb51e1e 2113 //Empty the Waiting for Ack Messages.
AzureIoTClient 11:31ebaeb51e1e 2114 while (!DList_IsListEmpty(&transport_data->telemetry_waitingForAck))
AzureIoTClient 11:31ebaeb51e1e 2115 {
AzureIoTClient 11:31ebaeb51e1e 2116 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->telemetry_waitingForAck);
AzureIoTClient 11:31ebaeb51e1e 2117 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2118 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY);
AzureIoTClient 11:31ebaeb51e1e 2119 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2120 }
AzureIoTClient 12:658ca6865de2 2121 while (!DList_IsListEmpty(&transport_data->ack_waiting_queue))
AzureIoTClient 12:658ca6865de2 2122 {
AzureIoTClient 12:658ca6865de2 2123 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->ack_waiting_queue);
AzureIoTClient 12:658ca6865de2 2124 MQTT_DEVICE_TWIN_ITEM* mqtt_device_twin = containingRecord(currentEntry, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 2125 IoTHubClient_LL_ReportedStateComplete(transport_data->llClientHandle, mqtt_device_twin->iothub_msg_id, STATUS_CODE_TIMEOUT_VALUE);
AzureIoTClient 12:658ca6865de2 2126 free(mqtt_device_twin);
AzureIoTClient 12:658ca6865de2 2127 }
AzureIoTClient 11:31ebaeb51e1e 2128
AzureIoTClient 12:658ca6865de2 2129 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_014: [IoTHubTransport_MQTT_Common_Destroy shall free all the resources currently in use.] */
AzureIoTClient 20:594780be216d 2130 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_012: [ `IoTHubTransport_MQTT_Common_Destroy` shall free the stored proxy options. ]*/
AzureIoTClient 31:d6198e67d1eb 2131 free_transport_handle_data(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2132 }
AzureIoTClient 11:31ebaeb51e1e 2133 }
AzureIoTClient 11:31ebaeb51e1e 2134
AzureIoTClient 12:658ca6865de2 2135 int IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2136 {
AzureIoTClient 12:658ca6865de2 2137 int result;
AzureIoTClient 12:658ca6865de2 2138 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2139 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2140 {
AzureIoTClient 12:658ca6865de2 2141 /* 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 2142 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2143 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2144 }
AzureIoTClient 12:658ca6865de2 2145 else
AzureIoTClient 12:658ca6865de2 2146 {
AzureIoTClient 12:658ca6865de2 2147 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2148 {
AzureIoTClient 12:658ca6865de2 2149 /* 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 2150 transport_data->topic_GetState = STRING_construct(TOPIC_GET_DESIRED_STATE);
AzureIoTClient 12:658ca6865de2 2151 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2152 {
AzureIoTClient 12:658ca6865de2 2153 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_046: [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2154 LogError("Failure: unable constructing reported state topic");
AzureIoTClient 18:ec8e5e97c6a4 2155 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2156 }
AzureIoTClient 12:658ca6865de2 2157 else
AzureIoTClient 12:658ca6865de2 2158 {
AzureIoTClient 12:658ca6865de2 2159 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2160 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2161 result = 0;
AzureIoTClient 12:658ca6865de2 2162 }
AzureIoTClient 12:658ca6865de2 2163 }
AzureIoTClient 12:658ca6865de2 2164 else
AzureIoTClient 12:658ca6865de2 2165 {
AzureIoTClient 12:658ca6865de2 2166 result = 0;
AzureIoTClient 12:658ca6865de2 2167 }
AzureIoTClient 12:658ca6865de2 2168 if (result == 0 && transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2169 {
AzureIoTClient 12:658ca6865de2 2170 /* 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 2171 transport_data->topic_NotifyState = STRING_construct(TOPIC_NOTIFICATION_STATE);
AzureIoTClient 12:658ca6865de2 2172 if (transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2173 {
AzureIoTClient 12:658ca6865de2 2174 LogError("Failure: unable constructing notify state topic");
AzureIoTClient 18:ec8e5e97c6a4 2175 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2176 }
AzureIoTClient 12:658ca6865de2 2177 else
AzureIoTClient 12:658ca6865de2 2178 {
AzureIoTClient 12:658ca6865de2 2179 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2180 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2181 result = 0;
AzureIoTClient 12:658ca6865de2 2182 }
AzureIoTClient 12:658ca6865de2 2183 }
AzureIoTClient 12:658ca6865de2 2184 if (result == 0)
AzureIoTClient 12:658ca6865de2 2185 {
AzureIoTClient 12:658ca6865de2 2186 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2187 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2188 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2189 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2190 {
AzureIoTClient 12:658ca6865de2 2191 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2192 }
AzureIoTClient 12:658ca6865de2 2193 }
AzureIoTClient 12:658ca6865de2 2194 }
AzureIoTClient 12:658ca6865de2 2195 return result;
AzureIoTClient 12:658ca6865de2 2196 }
AzureIoTClient 12:658ca6865de2 2197
AzureIoTClient 12:658ca6865de2 2198 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2199 {
AzureIoTClient 12:658ca6865de2 2200 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2201 /* 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 2202 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2203 {
AzureIoTClient 12:658ca6865de2 2204 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 2205 {
AzureIoTClient 12:658ca6865de2 2206 /* 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 2207 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2208 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 2209 transport_data->topic_GetState = NULL;
AzureIoTClient 12:658ca6865de2 2210 }
AzureIoTClient 12:658ca6865de2 2211 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 2212 {
AzureIoTClient 12:658ca6865de2 2213 /* 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 2214 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2215 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 2216 transport_data->topic_NotifyState = NULL;
AzureIoTClient 12:658ca6865de2 2217 }
AzureIoTClient 12:658ca6865de2 2218 }
AzureIoTClient 12:658ca6865de2 2219 else
AzureIoTClient 12:658ca6865de2 2220 {
AzureIoTClient 12:658ca6865de2 2221 LogError("Invalid argument to unsubscribe (handle is NULL).");
AzureIoTClient 12:658ca6865de2 2222 }
AzureIoTClient 12:658ca6865de2 2223 }
AzureIoTClient 12:658ca6865de2 2224
AzureIoTClient 12:658ca6865de2 2225 int IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2226 {
AzureIoTClient 12:658ca6865de2 2227 int result;
AzureIoTClient 12:658ca6865de2 2228 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2229
AzureIoTClient 12:658ca6865de2 2230 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2231 {
AzureIoTClient 12:658ca6865de2 2232 /*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 2233 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2234 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2235 }
AzureIoTClient 12:658ca6865de2 2236 else
AzureIoTClient 12:658ca6865de2 2237 {
AzureIoTClient 12:658ca6865de2 2238 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2239 {
AzureIoTClient 12:658ca6865de2 2240 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_004 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for subscribe.]*/
AzureIoTClient 12:658ca6865de2 2241 transport_data->topic_DeviceMethods = STRING_construct(TOPIC_DEVICE_METHOD_SUBSCRIBE);
AzureIoTClient 12:658ca6865de2 2242 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2243 {
AzureIoTClient 12:658ca6865de2 2244 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_006 : [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2245 LogError("Failure: unable constructing device method subscribe topic");
AzureIoTClient 18:ec8e5e97c6a4 2246 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2247 }
AzureIoTClient 12:658ca6865de2 2248 else
AzureIoTClient 12:658ca6865de2 2249 {
AzureIoTClient 12:658ca6865de2 2250 /*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 2251 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2252 result = 0;
AzureIoTClient 12:658ca6865de2 2253 }
AzureIoTClient 12:658ca6865de2 2254 }
AzureIoTClient 12:658ca6865de2 2255 else
AzureIoTClient 12:658ca6865de2 2256 {
AzureIoTClient 12:658ca6865de2 2257 /*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 2258 result = 0;
AzureIoTClient 12:658ca6865de2 2259 }
AzureIoTClient 12:658ca6865de2 2260
AzureIoTClient 12:658ca6865de2 2261 if (result == 0)
AzureIoTClient 12:658ca6865de2 2262 {
AzureIoTClient 12:658ca6865de2 2263 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_005 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall schedule the send of the subscription.]*/
AzureIoTClient 12:658ca6865de2 2264 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_007 : [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return 0.]*/
AzureIoTClient 12:658ca6865de2 2265 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2266 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2267 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2268 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2269 {
AzureIoTClient 12:658ca6865de2 2270 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2271 }
AzureIoTClient 12:658ca6865de2 2272 }
AzureIoTClient 12:658ca6865de2 2273 }
AzureIoTClient 12:658ca6865de2 2274 return result;
AzureIoTClient 12:658ca6865de2 2275 }
AzureIoTClient 12:658ca6865de2 2276
AzureIoTClient 12:658ca6865de2 2277 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2278 {
AzureIoTClient 12:658ca6865de2 2279 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2280 /*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 2281 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2282 {
AzureIoTClient 12:658ca6865de2 2283 /*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 2284 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 2285 {
AzureIoTClient 12:658ca6865de2 2286 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_010 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2287 const char* unsubscribe[1];
AzureIoTClient 12:658ca6865de2 2288 unsubscribe[0] = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2289
AzureIoTClient 12:658ca6865de2 2290 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_011 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall send the unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2291 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 12:658ca6865de2 2292 {
AzureIoTClient 12:658ca6865de2 2293 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 12:658ca6865de2 2294 }
AzureIoTClient 12:658ca6865de2 2295
AzureIoTClient 12:658ca6865de2 2296 /*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 2297 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2298 transport_data->topic_DeviceMethods = NULL;
AzureIoTClient 12:658ca6865de2 2299 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2300 }
AzureIoTClient 12:658ca6865de2 2301 }
AzureIoTClient 12:658ca6865de2 2302 else
AzureIoTClient 12:658ca6865de2 2303 {
AzureIoTClient 12:658ca6865de2 2304 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 12:658ca6865de2 2305 }
AzureIoTClient 12:658ca6865de2 2306 }
AzureIoTClient 12:658ca6865de2 2307
AzureIoTClient 14:4dc2b011be33 2308 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 2309 {
AzureIoTClient 14:4dc2b011be33 2310 int result;
AzureIoTClient 14:4dc2b011be33 2311 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 14:4dc2b011be33 2312 if (transport_data != NULL)
AzureIoTClient 14:4dc2b011be33 2313 {
AzureIoTClient 14:4dc2b011be33 2314 /* 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 2315 DEVICE_METHOD_INFO* dev_method_info = (DEVICE_METHOD_INFO*)methodId;
AzureIoTClient 14:4dc2b011be33 2316 if (dev_method_info == NULL)
AzureIoTClient 14:4dc2b011be33 2317 {
AzureIoTClient 14:4dc2b011be33 2318 LogError("Failure: DEVICE_METHOD_INFO was NULL");
AzureIoTClient 18:ec8e5e97c6a4 2319 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2320 }
AzureIoTClient 14:4dc2b011be33 2321 else
AzureIoTClient 14:4dc2b011be33 2322 {
AzureIoTClient 14:4dc2b011be33 2323 if (publish_device_method_message(transport_data, status, dev_method_info->request_id, response, respSize) != 0)
AzureIoTClient 14:4dc2b011be33 2324 {
AzureIoTClient 14:4dc2b011be33 2325 /* 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 2326 LogError("Failure: publishing device method response");
AzureIoTClient 18:ec8e5e97c6a4 2327 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2328 }
AzureIoTClient 14:4dc2b011be33 2329 else
AzureIoTClient 14:4dc2b011be33 2330 {
AzureIoTClient 14:4dc2b011be33 2331 result = 0;
AzureIoTClient 14:4dc2b011be33 2332 }
AzureIoTClient 14:4dc2b011be33 2333 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 2334 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 2335 }
AzureIoTClient 14:4dc2b011be33 2336 }
AzureIoTClient 14:4dc2b011be33 2337 else
AzureIoTClient 14:4dc2b011be33 2338 {
AzureIoTClient 14:4dc2b011be33 2339 /* 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 2340 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2341 LogError("Failure: invalid IOTHUB_DEVICE_HANDLE parameter specified");
AzureIoTClient 14:4dc2b011be33 2342 }
AzureIoTClient 14:4dc2b011be33 2343 return result;
AzureIoTClient 14:4dc2b011be33 2344 }
AzureIoTClient 14:4dc2b011be33 2345
AzureIoTClient 11:31ebaeb51e1e 2346 int IoTHubTransport_MQTT_Common_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2347 {
AzureIoTClient 11:31ebaeb51e1e 2348 int result;
AzureIoTClient 11:31ebaeb51e1e 2349 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2350 if (transport_data == NULL)
AzureIoTClient 11:31ebaeb51e1e 2351 {
AzureIoTClient 12:658ca6865de2 2352 /* 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 2353 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2354 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2355 }
AzureIoTClient 11:31ebaeb51e1e 2356 else
AzureIoTClient 11:31ebaeb51e1e 2357 {
AzureIoTClient 12:658ca6865de2 2358 /* 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 2359 transport_data->topic_MqttMessage = STRING_construct_sprintf(TOPIC_DEVICE_MSG, STRING_c_str(transport_data->device_id) );
AzureIoTClient 11:31ebaeb51e1e 2360 if (transport_data->topic_MqttMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 2361 {
AzureIoTClient 11:31ebaeb51e1e 2362 LogError("Failure constructing Message Topic");
AzureIoTClient 18:ec8e5e97c6a4 2363 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2364 }
AzureIoTClient 11:31ebaeb51e1e 2365 else
AzureIoTClient 11:31ebaeb51e1e 2366 {
AzureIoTClient 11:31ebaeb51e1e 2367 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 12:658ca6865de2 2368 /* 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 2369 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2370 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2371 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2372 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 11:31ebaeb51e1e 2373 {
AzureIoTClient 11:31ebaeb51e1e 2374 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2375 }
AzureIoTClient 11:31ebaeb51e1e 2376 result = 0;
AzureIoTClient 11:31ebaeb51e1e 2377 }
AzureIoTClient 11:31ebaeb51e1e 2378 }
AzureIoTClient 11:31ebaeb51e1e 2379 return result;
AzureIoTClient 11:31ebaeb51e1e 2380 }
AzureIoTClient 11:31ebaeb51e1e 2381
AzureIoTClient 11:31ebaeb51e1e 2382 void IoTHubTransport_MQTT_Common_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2383 {
AzureIoTClient 11:31ebaeb51e1e 2384 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2385 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_019: [If parameter handle is NULL then IoTHubTransport_MQTT_Common_Unsubscribe shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2386 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2387 {
AzureIoTClient 12:658ca6865de2 2388 /* 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 2389 const char* unsubscribe[1];
AzureIoTClient 11:31ebaeb51e1e 2390 unsubscribe[0] = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2391 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 11:31ebaeb51e1e 2392 {
AzureIoTClient 11:31ebaeb51e1e 2393 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 11:31ebaeb51e1e 2394 }
AzureIoTClient 11:31ebaeb51e1e 2395 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2396 transport_data->topic_MqttMessage = NULL;
AzureIoTClient 11:31ebaeb51e1e 2397 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 2398 }
AzureIoTClient 11:31ebaeb51e1e 2399 else
AzureIoTClient 11:31ebaeb51e1e 2400 {
AzureIoTClient 11:31ebaeb51e1e 2401 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 11:31ebaeb51e1e 2402 }
AzureIoTClient 11:31ebaeb51e1e 2403 }
AzureIoTClient 11:31ebaeb51e1e 2404
AzureIoTClient 12:658ca6865de2 2405 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 2406 {
AzureIoTClient 12:658ca6865de2 2407 IOTHUB_PROCESS_ITEM_RESULT result;
AzureIoTClient 12:658ca6865de2 2408 /* 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 2409 if (handle == NULL || iothub_item == NULL)
AzureIoTClient 12:658ca6865de2 2410 {
AzureIoTClient 12:658ca6865de2 2411 LogError("Invalid handle parameter iothub_item=%p", iothub_item);
AzureIoTClient 12:658ca6865de2 2412 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2413 }
AzureIoTClient 12:658ca6865de2 2414 else
AzureIoTClient 12:658ca6865de2 2415 {
AzureIoTClient 12:658ca6865de2 2416 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2417
AzureIoTClient 12:658ca6865de2 2418 if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 12:658ca6865de2 2419 {
AzureIoTClient 12:658ca6865de2 2420 if (item_type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 12:658ca6865de2 2421 {
AzureIoTClient 12:658ca6865de2 2422 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 2423 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 2424 {
AzureIoTClient 12:658ca6865de2 2425 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2426 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2427 }
AzureIoTClient 12:658ca6865de2 2428 else
AzureIoTClient 12:658ca6865de2 2429 {
AzureIoTClient 12:658ca6865de2 2430 /*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 2431 mqtt_info->iothub_type = item_type;
AzureIoTClient 12:658ca6865de2 2432 mqtt_info->iothub_msg_id = iothub_item->device_twin->item_id;
AzureIoTClient 12:658ca6865de2 2433 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 2434
AzureIoTClient 12:658ca6865de2 2435 /* Codes_SRS_IOTHUBCLIENT_LL_07_005: [ If successful IoTHubTransport_MQTT_Common_ProcessItem shall add mqtt info structure acknowledgement queue. ] */
AzureIoTClient 12:658ca6865de2 2436 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2437
AzureIoTClient 12:658ca6865de2 2438 if (publish_device_twin_message(transport_data, iothub_item->device_twin, mqtt_info) != 0)
AzureIoTClient 12:658ca6865de2 2439 {
AzureIoTClient 12:658ca6865de2 2440 DList_RemoveEntryList(&mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2441
AzureIoTClient 12:658ca6865de2 2442 free(mqtt_info);
AzureIoTClient 12:658ca6865de2 2443 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2444 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2445 }
AzureIoTClient 12:658ca6865de2 2446 else
AzureIoTClient 12:658ca6865de2 2447 {
AzureIoTClient 12:658ca6865de2 2448 result = IOTHUB_PROCESS_OK;
AzureIoTClient 12:658ca6865de2 2449 }
AzureIoTClient 12:658ca6865de2 2450 }
AzureIoTClient 12:658ca6865de2 2451 }
AzureIoTClient 12:658ca6865de2 2452 else
AzureIoTClient 12:658ca6865de2 2453 {
AzureIoTClient 12:658ca6865de2 2454 /* 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 2455 result = IOTHUB_PROCESS_CONTINUE;
AzureIoTClient 12:658ca6865de2 2456 }
AzureIoTClient 12:658ca6865de2 2457 }
AzureIoTClient 12:658ca6865de2 2458 else
AzureIoTClient 12:658ca6865de2 2459 {
AzureIoTClient 12:658ca6865de2 2460 /* 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 2461 result = IOTHUB_PROCESS_NOT_CONNECTED;
AzureIoTClient 12:658ca6865de2 2462 }
AzureIoTClient 12:658ca6865de2 2463 }
AzureIoTClient 12:658ca6865de2 2464 return result;
AzureIoTClient 12:658ca6865de2 2465 }
AzureIoTClient 12:658ca6865de2 2466
AzureIoTClient 12:658ca6865de2 2467 /* 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 2468 void IoTHubTransport_MQTT_Common_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 11:31ebaeb51e1e 2469 {
AzureIoTClient 12:658ca6865de2 2470 /* 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 2471 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2472 if (transport_data != NULL && iotHubClientHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2473 {
AzureIoTClient 11:31ebaeb51e1e 2474 transport_data->llClientHandle = iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2475
AzureIoTClient 11:31ebaeb51e1e 2476 if (InitializeConnection(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 2477 {
AzureIoTClient 11:31ebaeb51e1e 2478 // Don't want to flood the logs with failures here
AzureIoTClient 11:31ebaeb51e1e 2479 }
AzureIoTClient 11:31ebaeb51e1e 2480 else
AzureIoTClient 11:31ebaeb51e1e 2481 {
AzureIoTClient 33:b7dfb208ef0a 2482 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_PENDING_CLOSE)
AzureIoTClient 33:b7dfb208ef0a 2483 {
AzureIoTClient 33:b7dfb208ef0a 2484 mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 33:b7dfb208ef0a 2485 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 33:b7dfb208ef0a 2486 }
AzureIoTClient 33:b7dfb208ef0a 2487 else if (transport_data->currPacketState == CONNACK_TYPE || transport_data->currPacketState == SUBSCRIBE_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2488 {
AzureIoTClient 11:31ebaeb51e1e 2489 SubscribeToMqttProtocol(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2490 }
AzureIoTClient 11:31ebaeb51e1e 2491 else if (transport_data->currPacketState == SUBACK_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2492 {
AzureIoTClient 12:658ca6865de2 2493 if ((transport_data->topic_NotifyState != NULL || transport_data->topic_GetState != NULL) &&
AzureIoTClient 12:658ca6865de2 2494 !transport_data->device_twin_get_sent)
AzureIoTClient 12:658ca6865de2 2495 {
AzureIoTClient 12:658ca6865de2 2496 /* 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 2497 if (publish_device_twin_get_message(transport_data) == 0)
AzureIoTClient 12:658ca6865de2 2498 {
AzureIoTClient 12:658ca6865de2 2499 transport_data->device_twin_get_sent = true;
AzureIoTClient 12:658ca6865de2 2500 }
AzureIoTClient 12:658ca6865de2 2501 else
AzureIoTClient 12:658ca6865de2 2502 {
AzureIoTClient 12:658ca6865de2 2503 LogError("Failure: sending device twin get property command.");
AzureIoTClient 12:658ca6865de2 2504 }
AzureIoTClient 12:658ca6865de2 2505 }
AzureIoTClient 11:31ebaeb51e1e 2506 // Publish can be called now
AzureIoTClient 11:31ebaeb51e1e 2507 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2508 }
AzureIoTClient 11:31ebaeb51e1e 2509 else if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2510 {
AzureIoTClient 11:31ebaeb51e1e 2511 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 2512 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 2513 {
AzureIoTClient 24:4096249decf1 2514 tickcounter_ms_t current_ms;
AzureIoTClient 11:31ebaeb51e1e 2515 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2516 DLIST_ENTRY nextListEntry;
AzureIoTClient 11:31ebaeb51e1e 2517 nextListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2518
Azure.IoT.Build 13:606465879c57 2519 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &current_ms);
AzureIoTClient 12:658ca6865de2 2520 /* 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 2521 if (((current_ms - mqttMsgEntry->msgPublishTime) / 1000) > RESEND_TIMEOUT_VALUE_MIN)
AzureIoTClient 11:31ebaeb51e1e 2522 {
AzureIoTClient 24:4096249decf1 2523 /* 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 2524 if (mqttMsgEntry->retryCount >= MAX_SEND_RECOUNT_LIMIT)
AzureIoTClient 11:31ebaeb51e1e 2525 {
AzureIoTClient 24:4096249decf1 2526 PDLIST_ENTRY current_entry;
AzureIoTClient 11:31ebaeb51e1e 2527 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2528 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_MESSAGE_TIMEOUT);
AzureIoTClient 11:31ebaeb51e1e 2529 free(mqttMsgEntry);
AzureIoTClient 24:4096249decf1 2530
AzureIoTClient 24:4096249decf1 2531 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 24:4096249decf1 2532 transport_data->device_twin_get_sent = false;
AzureIoTClient 24:4096249decf1 2533 DisconnectFromClient(transport_data);
AzureIoTClient 24:4096249decf1 2534
AzureIoTClient 24:4096249decf1 2535 /* 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 2536 current_entry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 24:4096249decf1 2537 while (current_entry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 24:4096249decf1 2538 {
AzureIoTClient 24:4096249decf1 2539 MQTT_MESSAGE_DETAILS_LIST* msg_reset_entry;
AzureIoTClient 24:4096249decf1 2540 msg_reset_entry = containingRecord(current_entry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 24:4096249decf1 2541 msg_reset_entry->retryCount = 0;
AzureIoTClient 24:4096249decf1 2542 current_entry = current_entry->Flink;
AzureIoTClient 24:4096249decf1 2543 }
AzureIoTClient 11:31ebaeb51e1e 2544 }
AzureIoTClient 11:31ebaeb51e1e 2545 else
AzureIoTClient 11:31ebaeb51e1e 2546 {
AzureIoTClient 11:31ebaeb51e1e 2547 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2548 const unsigned char* messagePayload = RetrieveMessagePayload(mqttMsgEntry->iotHubMessageEntry->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2549 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2550 {
AzureIoTClient 11:31ebaeb51e1e 2551 LogError("Failure from creating Message IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2552 }
AzureIoTClient 11:31ebaeb51e1e 2553 else
AzureIoTClient 11:31ebaeb51e1e 2554 {
AzureIoTClient 11:31ebaeb51e1e 2555 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2556 {
AzureIoTClient 11:31ebaeb51e1e 2557 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2558 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2559 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2560 }
AzureIoTClient 11:31ebaeb51e1e 2561 }
AzureIoTClient 11:31ebaeb51e1e 2562 }
AzureIoTClient 11:31ebaeb51e1e 2563 }
AzureIoTClient 11:31ebaeb51e1e 2564 currentListEntry = nextListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2565 }
AzureIoTClient 11:31ebaeb51e1e 2566
AzureIoTClient 11:31ebaeb51e1e 2567 currentListEntry = transport_data->waitingToSend->Flink;
AzureIoTClient 12:658ca6865de2 2568 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2569 while (currentListEntry != transport_data->waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2570 {
AzureIoTClient 11:31ebaeb51e1e 2571 IOTHUB_MESSAGE_LIST* iothubMsgList = containingRecord(currentListEntry, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2572 DLIST_ENTRY savedFromCurrentListEntry;
AzureIoTClient 11:31ebaeb51e1e 2573 savedFromCurrentListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2574
AzureIoTClient 12:658ca6865de2 2575 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2576 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2577 const unsigned char* messagePayload = RetrieveMessagePayload(iothubMsgList->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2578 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2579 {
AzureIoTClient 11:31ebaeb51e1e 2580 LogError("Failure result from IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2581 }
AzureIoTClient 11:31ebaeb51e1e 2582 else
AzureIoTClient 11:31ebaeb51e1e 2583 {
AzureIoTClient 12:658ca6865de2 2584 /* 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 2585 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = (MQTT_MESSAGE_DETAILS_LIST*)malloc(sizeof(MQTT_MESSAGE_DETAILS_LIST));
AzureIoTClient 11:31ebaeb51e1e 2586 if (mqttMsgEntry == NULL)
AzureIoTClient 11:31ebaeb51e1e 2587 {
AzureIoTClient 11:31ebaeb51e1e 2588 LogError("Allocation Error: Failure allocating MQTT Message Detail List.");
AzureIoTClient 11:31ebaeb51e1e 2589 }
AzureIoTClient 11:31ebaeb51e1e 2590 else
AzureIoTClient 11:31ebaeb51e1e 2591 {
AzureIoTClient 11:31ebaeb51e1e 2592 mqttMsgEntry->retryCount = 0;
AzureIoTClient 11:31ebaeb51e1e 2593 mqttMsgEntry->iotHubMessageEntry = iothubMsgList;
AzureIoTClient 11:31ebaeb51e1e 2594 mqttMsgEntry->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2595 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2596 {
AzureIoTClient 11:31ebaeb51e1e 2597 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2598 sendMsgComplete(iothubMsgList, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2599 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2600 }
AzureIoTClient 11:31ebaeb51e1e 2601 else
AzureIoTClient 11:31ebaeb51e1e 2602 {
AzureIoTClient 11:31ebaeb51e1e 2603 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2604 DList_InsertTailList(&(transport_data->telemetry_waitingForAck), &(mqttMsgEntry->entry));
AzureIoTClient 11:31ebaeb51e1e 2605 }
AzureIoTClient 11:31ebaeb51e1e 2606 }
AzureIoTClient 11:31ebaeb51e1e 2607 }
AzureIoTClient 11:31ebaeb51e1e 2608 currentListEntry = savedFromCurrentListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2609 }
AzureIoTClient 11:31ebaeb51e1e 2610 }
AzureIoTClient 20:594780be216d 2611 /* 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 2612 mqtt_client_dowork(transport_data->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 2613 }
AzureIoTClient 11:31ebaeb51e1e 2614 }
AzureIoTClient 11:31ebaeb51e1e 2615 }
AzureIoTClient 11:31ebaeb51e1e 2616
AzureIoTClient 11:31ebaeb51e1e 2617 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 11:31ebaeb51e1e 2618 {
AzureIoTClient 11:31ebaeb51e1e 2619 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2620
AzureIoTClient 11:31ebaeb51e1e 2621 if (handle == NULL || iotHubClientStatus == NULL)
AzureIoTClient 11:31ebaeb51e1e 2622 {
AzureIoTClient 12:658ca6865de2 2623 /* 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 2624 LogError("invalid arument.");
AzureIoTClient 11:31ebaeb51e1e 2625 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2626 }
AzureIoTClient 11:31ebaeb51e1e 2627 else
AzureIoTClient 11:31ebaeb51e1e 2628 {
AzureIoTClient 11:31ebaeb51e1e 2629 MQTTTRANSPORT_HANDLE_DATA* handleData = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2630 if (!DList_IsListEmpty(handleData->waitingToSend) || !DList_IsListEmpty(&(handleData->telemetry_waitingForAck)))
AzureIoTClient 11:31ebaeb51e1e 2631 {
AzureIoTClient 12:658ca6865de2 2632 /* 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 2633 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 11:31ebaeb51e1e 2634 }
AzureIoTClient 11:31ebaeb51e1e 2635 else
AzureIoTClient 11:31ebaeb51e1e 2636 {
AzureIoTClient 12:658ca6865de2 2637 /* 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 2638 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 11:31ebaeb51e1e 2639 }
AzureIoTClient 11:31ebaeb51e1e 2640 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2641 }
AzureIoTClient 11:31ebaeb51e1e 2642 return result;
AzureIoTClient 11:31ebaeb51e1e 2643 }
AzureIoTClient 11:31ebaeb51e1e 2644
AzureIoTClient 11:31ebaeb51e1e 2645 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient 11:31ebaeb51e1e 2646 {
AzureIoTClient 12:658ca6865de2 2647 /* 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 2648 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2649 if (
AzureIoTClient 11:31ebaeb51e1e 2650 (handle == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2651 (option == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2652 (value == NULL)
AzureIoTClient 11:31ebaeb51e1e 2653 )
AzureIoTClient 11:31ebaeb51e1e 2654 {
AzureIoTClient 11:31ebaeb51e1e 2655 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2656 LogError("invalid parameter (NULL) passed to IoTHubTransport_MQTT_Common_SetOption.");
AzureIoTClient 11:31ebaeb51e1e 2657 }
AzureIoTClient 11:31ebaeb51e1e 2658 else
AzureIoTClient 11:31ebaeb51e1e 2659 {
AzureIoTClient 11:31ebaeb51e1e 2660 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 21:167f8fcf6fb1 2661
AzureIoTClient 21:167f8fcf6fb1 2662 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module);
AzureIoTClient 21:167f8fcf6fb1 2663
AzureIoTClient 11:31ebaeb51e1e 2664 /* 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 2665 if (strcmp(OPTION_LOG_TRACE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2666 {
AzureIoTClient 11:31ebaeb51e1e 2667 transport_data->log_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2668 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2669 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2670 }
AzureIoTClient 11:31ebaeb51e1e 2671 else if (strcmp("rawlogtrace", option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2672 {
AzureIoTClient 11:31ebaeb51e1e 2673 transport_data->raw_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2674 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2675 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2676 }
AzureIoTClient 29:923be0c3998a 2677 /* 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 2678 else if (strcmp(OPTION_SAS_TOKEN_LIFETIME, option) == 0)
AzureIoTClient 29:923be0c3998a 2679 {
AzureIoTClient 29:923be0c3998a 2680 size_t* sas_lifetime = (size_t*)value;
AzureIoTClient 29:923be0c3998a 2681 transport_data->option_sas_token_lifetime_secs = *sas_lifetime;
AzureIoTClient 29:923be0c3998a 2682 result = IOTHUB_CLIENT_OK;
AzureIoTClient 29:923be0c3998a 2683 }
AzureIoTClient 32:103a46ed8822 2684 else if (strcmp(OPTION_CONNECTION_TIMEOUT, option) == 0)
AzureIoTClient 32:103a46ed8822 2685 {
AzureIoTClient 32:103a46ed8822 2686 int* connection_time = (int*)value;
AzureIoTClient 32:103a46ed8822 2687 if (*connection_time != transport_data->connect_timeout_in_sec)
AzureIoTClient 32:103a46ed8822 2688 {
AzureIoTClient 32:103a46ed8822 2689 transport_data->connect_timeout_in_sec = (uint16_t)(*connection_time);
AzureIoTClient 32:103a46ed8822 2690 }
AzureIoTClient 32:103a46ed8822 2691 result = IOTHUB_CLIENT_OK;
AzureIoTClient 32:103a46ed8822 2692 }
AzureIoTClient 11:31ebaeb51e1e 2693 else if (strcmp(OPTION_KEEP_ALIVE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2694 {
AzureIoTClient 11:31ebaeb51e1e 2695 /* 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 2696 int* keepAliveOption = (int*)value;
AzureIoTClient 12:658ca6865de2 2697 /* 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 2698 if (*keepAliveOption != transport_data->keepAliveValue)
AzureIoTClient 11:31ebaeb51e1e 2699 {
AzureIoTClient 11:31ebaeb51e1e 2700 transport_data->keepAliveValue = (uint16_t)(*keepAliveOption);
AzureIoTClient 20:594780be216d 2701 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_NOT_CONNECTED)
AzureIoTClient 11:31ebaeb51e1e 2702 {
AzureIoTClient 20:594780be216d 2703 /* 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 2704 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2705 }
AzureIoTClient 11:31ebaeb51e1e 2706 }
AzureIoTClient 11:31ebaeb51e1e 2707 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2708 }
AzureIoTClient 11:31ebaeb51e1e 2709 /* 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 2710 else if ((strcmp(OPTION_X509_CERT, option) == 0) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509 && cred_type != IOTHUB_CREDENTIAL_TYPE_UNKNOWN))
AzureIoTClient 11:31ebaeb51e1e 2711 {
AzureIoTClient 11:31ebaeb51e1e 2712 LogError("x509certificate specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2713 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2714 }
AzureIoTClient 11:31ebaeb51e1e 2715 /* 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 2716 else if ((strcmp(OPTION_X509_PRIVATE_KEY, option) == 0) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509 && cred_type != IOTHUB_CREDENTIAL_TYPE_UNKNOWN))
AzureIoTClient 11:31ebaeb51e1e 2717 {
AzureIoTClient 11:31ebaeb51e1e 2718 LogError("x509privatekey specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2719 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2720 }
AzureIoTClient 20:594780be216d 2721 else if (strcmp(OPTION_HTTP_PROXY, option) == 0)
AzureIoTClient 20:594780be216d 2722 {
AzureIoTClient 20:594780be216d 2723 /* 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 2724 HTTP_PROXY_OPTIONS* proxy_options = (HTTP_PROXY_OPTIONS*)value;
AzureIoTClient 20:594780be216d 2725
AzureIoTClient 20:594780be216d 2726 if (transport_data->xioTransport != NULL)
AzureIoTClient 20:594780be216d 2727 {
AzureIoTClient 20:594780be216d 2728 /* 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 2729 LogError("Cannot set proxy option once the underlying IO is created");
AzureIoTClient 20:594780be216d 2730 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2731 }
AzureIoTClient 20:594780be216d 2732 else if (proxy_options->host_address == NULL)
AzureIoTClient 20:594780be216d 2733 {
AzureIoTClient 20:594780be216d 2734 /* 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 2735 LogError("NULL host_address in proxy options");
AzureIoTClient 20:594780be216d 2736 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2737 }
AzureIoTClient 20:594780be216d 2738 /* 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 2739 else if (((proxy_options->username == NULL) || (proxy_options->password == NULL)) &&
AzureIoTClient 20:594780be216d 2740 (proxy_options->username != proxy_options->password))
AzureIoTClient 20:594780be216d 2741 {
AzureIoTClient 20:594780be216d 2742 LogError("Only one of username and password for proxy settings was NULL");
AzureIoTClient 20:594780be216d 2743 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2744 }
AzureIoTClient 20:594780be216d 2745 else
AzureIoTClient 20:594780be216d 2746 {
AzureIoTClient 20:594780be216d 2747 char* copied_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2748 char* copied_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2749 char* copied_proxy_password = NULL;
AzureIoTClient 20:594780be216d 2750
AzureIoTClient 20:594780be216d 2751 /* 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 2752 transport_data->http_proxy_port = proxy_options->port;
AzureIoTClient 20:594780be216d 2753 if (mallocAndStrcpy_s(&copied_proxy_hostname, proxy_options->host_address) != 0)
AzureIoTClient 20:594780be216d 2754 {
AzureIoTClient 20:594780be216d 2755 /* 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 2756 LogError("Cannot copy HTTP proxy hostname");
AzureIoTClient 20:594780be216d 2757 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2758 }
AzureIoTClient 20:594780be216d 2759 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2760 else if ((proxy_options->username != NULL) && (mallocAndStrcpy_s(&copied_proxy_username, proxy_options->username) != 0))
AzureIoTClient 20:594780be216d 2761 {
AzureIoTClient 20:594780be216d 2762 /* 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 2763 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2764 LogError("Cannot copy HTTP proxy username");
AzureIoTClient 20:594780be216d 2765 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2766 }
AzureIoTClient 20:594780be216d 2767 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2768 else if ((proxy_options->password != NULL) && (mallocAndStrcpy_s(&copied_proxy_password, proxy_options->password) != 0))
AzureIoTClient 20:594780be216d 2769 {
AzureIoTClient 20:594780be216d 2770 /* 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 2771 if (copied_proxy_username != NULL)
AzureIoTClient 20:594780be216d 2772 {
AzureIoTClient 20:594780be216d 2773 free(copied_proxy_username);
AzureIoTClient 20:594780be216d 2774 }
AzureIoTClient 20:594780be216d 2775 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2776 LogError("Cannot copy HTTP proxy password");
AzureIoTClient 20:594780be216d 2777 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2778 }
AzureIoTClient 20:594780be216d 2779 else
AzureIoTClient 20:594780be216d 2780 {
AzureIoTClient 20:594780be216d 2781 /* 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 2782 free_proxy_data(transport_data);
AzureIoTClient 20:594780be216d 2783
AzureIoTClient 20:594780be216d 2784 transport_data->http_proxy_hostname = copied_proxy_hostname;
AzureIoTClient 20:594780be216d 2785 transport_data->http_proxy_username = copied_proxy_username;
AzureIoTClient 20:594780be216d 2786 transport_data->http_proxy_password = copied_proxy_password;
AzureIoTClient 20:594780be216d 2787
AzureIoTClient 20:594780be216d 2788 /* 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 2789 result = IOTHUB_CLIENT_OK;
AzureIoTClient 20:594780be216d 2790 }
AzureIoTClient 20:594780be216d 2791 }
AzureIoTClient 20:594780be216d 2792 }
AzureIoTClient 11:31ebaeb51e1e 2793 else
AzureIoTClient 11:31ebaeb51e1e 2794 {
AzureIoTClient 21:167f8fcf6fb1 2795 /* 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 2796 if ( ((strcmp(OPTION_X509_CERT, option) == 0) || (strcmp(OPTION_X509_PRIVATE_KEY, option) == 0)) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509) )
AzureIoTClient 21:167f8fcf6fb1 2797 {
AzureIoTClient 21:167f8fcf6fb1 2798 IoTHubClient_Auth_Set_x509_Type(transport_data->authorization_module, true);
AzureIoTClient 21:167f8fcf6fb1 2799 }
AzureIoTClient 21:167f8fcf6fb1 2800
AzureIoTClient 12:658ca6865de2 2801 /* 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 2802 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 11:31ebaeb51e1e 2803 {
AzureIoTClient 11:31ebaeb51e1e 2804 if (xio_setoption(transport_data->xioTransport, option, value) == 0)
AzureIoTClient 11:31ebaeb51e1e 2805 {
AzureIoTClient 11:31ebaeb51e1e 2806 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2807 }
AzureIoTClient 11:31ebaeb51e1e 2808 else
AzureIoTClient 11:31ebaeb51e1e 2809 {
AzureIoTClient 12:658ca6865de2 2810 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_132: [IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG xio_setoption fails] */
AzureIoTClient 11:31ebaeb51e1e 2811 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2812 }
AzureIoTClient 11:31ebaeb51e1e 2813 }
AzureIoTClient 11:31ebaeb51e1e 2814 else
AzureIoTClient 11:31ebaeb51e1e 2815 {
AzureIoTClient 11:31ebaeb51e1e 2816 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 11:31ebaeb51e1e 2817 }
AzureIoTClient 11:31ebaeb51e1e 2818 }
AzureIoTClient 11:31ebaeb51e1e 2819 }
AzureIoTClient 11:31ebaeb51e1e 2820 return result;
AzureIoTClient 11:31ebaeb51e1e 2821 }
AzureIoTClient 11:31ebaeb51e1e 2822
AzureIoTClient 11:31ebaeb51e1e 2823 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 2824 {
AzureIoTClient 11:31ebaeb51e1e 2825 IOTHUB_DEVICE_HANDLE result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2826 (void)iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2827
AzureIoTClient 12:658ca6865de2 2828 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.]
AzureIoTClient 12:658ca6865de2 2829 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if device or waitingToSend are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2830 if ((handle == NULL) || (device == NULL) || (waitingToSend == NULL))
AzureIoTClient 11:31ebaeb51e1e 2831 {
AzureIoTClient 12:658ca6865de2 2832 LogError("IoTHubTransport_MQTT_Common_Register: handle, device or waitingToSend is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2833 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2834 }
AzureIoTClient 11:31ebaeb51e1e 2835 else
AzureIoTClient 11:31ebaeb51e1e 2836 {
AzureIoTClient 11:31ebaeb51e1e 2837 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2838
AzureIoTClient 12:658ca6865de2 2839 // 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 2840 if (device->deviceId == NULL)
AzureIoTClient 11:31ebaeb51e1e 2841 {
AzureIoTClient 12:658ca6865de2 2842 LogError("IoTHubTransport_MQTT_Common_Register: deviceId is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2843 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2844 }
AzureIoTClient 12:658ca6865de2 2845 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if both deviceKey and deviceSasToken are provided.]
AzureIoTClient 11:31ebaeb51e1e 2846 else if ((device->deviceKey != NULL) && (device->deviceSasToken != NULL))
AzureIoTClient 11:31ebaeb51e1e 2847 {
AzureIoTClient 12:658ca6865de2 2848 LogError("IoTHubTransport_MQTT_Common_Register: Both deviceKey and deviceSasToken are defined. Only one can be used.");
AzureIoTClient 11:31ebaeb51e1e 2849 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2850 }
AzureIoTClient 11:31ebaeb51e1e 2851 else
AzureIoTClient 11:31ebaeb51e1e 2852 {
AzureIoTClient 12:658ca6865de2 2853 // 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 2854 if (strcmp(STRING_c_str(transport_data->device_id), device->deviceId) != 0)
AzureIoTClient 11:31ebaeb51e1e 2855 {
AzureIoTClient 12:658ca6865de2 2856 LogError("IoTHubTransport_MQTT_Common_Register: deviceId does not match.");
AzureIoTClient 11:31ebaeb51e1e 2857 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2858 }
AzureIoTClient 21:167f8fcf6fb1 2859 else if (IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module) == IOTHUB_CREDENTIAL_TYPE_DEVICE_KEY &&
AzureIoTClient 21:167f8fcf6fb1 2860 (strcmp(IoTHubClient_Auth_Get_DeviceKey(transport_data->authorization_module), device->deviceKey) != 0))
AzureIoTClient 11:31ebaeb51e1e 2861 {
AzureIoTClient 12:658ca6865de2 2862 LogError("IoTHubTransport_MQTT_Common_Register: deviceKey does not match.");
AzureIoTClient 11:31ebaeb51e1e 2863 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2864 }
AzureIoTClient 11:31ebaeb51e1e 2865 else
AzureIoTClient 11:31ebaeb51e1e 2866 {
AzureIoTClient 11:31ebaeb51e1e 2867 if (transport_data->isRegistered == true)
AzureIoTClient 11:31ebaeb51e1e 2868 {
AzureIoTClient 11:31ebaeb51e1e 2869 LogError("Transport already has device registered by id: [%s]", device->deviceId);
AzureIoTClient 11:31ebaeb51e1e 2870 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2871 }
AzureIoTClient 11:31ebaeb51e1e 2872 else
AzureIoTClient 11:31ebaeb51e1e 2873 {
AzureIoTClient 11:31ebaeb51e1e 2874 transport_data->isRegistered = true;
AzureIoTClient 12:658ca6865de2 2875 // 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 2876 result = (IOTHUB_DEVICE_HANDLE)handle;
AzureIoTClient 11:31ebaeb51e1e 2877 }
AzureIoTClient 11:31ebaeb51e1e 2878 }
AzureIoTClient 11:31ebaeb51e1e 2879 }
AzureIoTClient 11:31ebaeb51e1e 2880 }
AzureIoTClient 11:31ebaeb51e1e 2881
AzureIoTClient 11:31ebaeb51e1e 2882 return result;
AzureIoTClient 11:31ebaeb51e1e 2883 }
AzureIoTClient 11:31ebaeb51e1e 2884
AzureIoTClient 11:31ebaeb51e1e 2885 void IoTHubTransport_MQTT_Common_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
AzureIoTClient 11:31ebaeb51e1e 2886 {
AzureIoTClient 14:4dc2b011be33 2887 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_005: [ If deviceHandle is NULL `IoTHubTransport_MQTT_Common_Unregister` shall do nothing. ]
AzureIoTClient 11:31ebaeb51e1e 2888 if (deviceHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2889 {
AzureIoTClient 11:31ebaeb51e1e 2890 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)deviceHandle;
AzureIoTClient 11:31ebaeb51e1e 2891
AzureIoTClient 11:31ebaeb51e1e 2892 transport_data->isRegistered = false;
AzureIoTClient 11:31ebaeb51e1e 2893 }
AzureIoTClient 11:31ebaeb51e1e 2894 }
AzureIoTClient 11:31ebaeb51e1e 2895
AzureIoTClient 11:31ebaeb51e1e 2896 STRING_HANDLE IoTHubTransport_MQTT_Common_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2897 {
AzureIoTClient 11:31ebaeb51e1e 2898 STRING_HANDLE result;
AzureIoTClient 12:658ca6865de2 2899 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_001: [ If handle is NULL then IoTHubTransport_MQTT_Common_GetHostname shall fail and return NULL. ]*/
AzureIoTClient 11:31ebaeb51e1e 2900 if (handle == NULL)
AzureIoTClient 11:31ebaeb51e1e 2901 {
AzureIoTClient 11:31ebaeb51e1e 2902 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2903 }
AzureIoTClient 22:07fec4d325b6 2904 /*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 2905 else if ((result = STRING_clone(((MQTTTRANSPORT_HANDLE_DATA*)(handle))->hostAddress)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 2906 {
AzureIoTClient 22:07fec4d325b6 2907 LogError("Cannot provide the target host name (STRING_clone failed).");
AzureIoTClient 11:31ebaeb51e1e 2908 }
AzureIoTClient 22:07fec4d325b6 2909
AzureIoTClient 11:31ebaeb51e1e 2910 return result;
AzureIoTClient 11:31ebaeb51e1e 2911 }
AzureIoTClient 19:f87dfe76bc70 2912
AzureIoTClient 19:f87dfe76bc70 2913 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
AzureIoTClient 19:f87dfe76bc70 2914 {
AzureIoTClient 19:f87dfe76bc70 2915 (void)disposition;
AzureIoTClient 19:f87dfe76bc70 2916
AzureIoTClient 19:f87dfe76bc70 2917 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 19:f87dfe76bc70 2918 if (message_data)
AzureIoTClient 19:f87dfe76bc70 2919 {
AzureIoTClient 19:f87dfe76bc70 2920 if (message_data->messageHandle)
AzureIoTClient 19:f87dfe76bc70 2921 {
AzureIoTClient 19:f87dfe76bc70 2922 IoTHubMessage_Destroy(message_data->messageHandle);
AzureIoTClient 19:f87dfe76bc70 2923 result = IOTHUB_CLIENT_OK;
AzureIoTClient 19:f87dfe76bc70 2924 }
AzureIoTClient 19:f87dfe76bc70 2925 else
AzureIoTClient 19:f87dfe76bc70 2926 {
AzureIoTClient 19:f87dfe76bc70 2927 /*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 2928 LogError("message handle is NULL");
AzureIoTClient 19:f87dfe76bc70 2929 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 2930 }
AzureIoTClient 19:f87dfe76bc70 2931 free(message_data);
AzureIoTClient 19:f87dfe76bc70 2932 }
AzureIoTClient 19:f87dfe76bc70 2933 else
AzureIoTClient 19:f87dfe76bc70 2934 {
AzureIoTClient 19:f87dfe76bc70 2935 /*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 2936 LogError("message_data is NULL");
AzureIoTClient 19:f87dfe76bc70 2937 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 2938 }
AzureIoTClient 19:f87dfe76bc70 2939 return result;
AzureIoTClient 19:f87dfe76bc70 2940 }
AzureIoTClient 19:f87dfe76bc70 2941