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@30:52ff609606c8, 2017-10-21 (annotated)

Committer:
AzureIoTClient
Date:
Sat Oct 21 20:11:19 2017 +0000
Revision:
30:52ff609606c8
Parent:
29:923be0c3998a
Child:
31:d6198e67d1eb
1.1.26

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