Azure IoT / azure_umqtt_c

A small footprint MQTT library

Dependents:   STM32F746_iothub_client_sample_mqtt FXOS8700CQ_To_Azure_IoT f767zi_mqtt FXOS8700CQ_To_Azure_IoT ... more

mqtt_client.c@0:ef4901974abc, 2016-04-08 (annotated)

Committer:
Azure.IoT Build
Date:
Fri Apr 08 12:01:23 2016 -0700
Revision:
0:ef4901974abc
Child:
1:8dba42ff9701
1.0.4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:ef4901974abc 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:ef4901974abc 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:ef4901974abc 3
Azure.IoT Build 0:ef4901974abc 4 #include <stdlib.h>
Azure.IoT Build 0:ef4901974abc 5 #include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build 0:ef4901974abc 6 #include "azure_c_shared_utility/platform.h"
Azure.IoT Build 0:ef4901974abc 7 #include "azure_c_shared_utility/tickcounter.h"
Azure.IoT Build 0:ef4901974abc 8 #include "azure_c_shared_utility/crt_abstractions.h"
Azure.IoT Build 0:ef4901974abc 9
Azure.IoT Build 0:ef4901974abc 10 #include "azure_umqtt_c/mqtt_client.h"
Azure.IoT Build 0:ef4901974abc 11 #include "azure_umqtt_c/mqtt_codec.h"
Azure.IoT Build 0:ef4901974abc 12
Azure.IoT Build 0:ef4901974abc 13 #define KEEP_ALIVE_BUFFER_SEC 10
Azure.IoT Build 0:ef4901974abc 14 #define VARIABLE_HEADER_OFFSET 2
Azure.IoT Build 0:ef4901974abc 15 #define RETAIN_FLAG_MASK 0x1
Azure.IoT Build 0:ef4901974abc 16 #define QOS_LEAST_ONCE_FLAG_MASK 0x2
Azure.IoT Build 0:ef4901974abc 17 #define QOS_EXACTLY_ONCE_FLAG_MASK 0x4
Azure.IoT Build 0:ef4901974abc 18 #define DUPLICATE_FLAG_MASK 0x8
Azure.IoT Build 0:ef4901974abc 19 #define CONNECT_PACKET_MASK 0xf0
Azure.IoT Build 0:ef4901974abc 20
Azure.IoT Build 0:ef4901974abc 21 static const char* FORMAT_HEX_CHAR = "0x%02x ";
Azure.IoT Build 0:ef4901974abc 22
Azure.IoT Build 0:ef4901974abc 23 typedef struct MQTT_CLIENT_TAG
Azure.IoT Build 0:ef4901974abc 24 {
Azure.IoT Build 0:ef4901974abc 25 XIO_HANDLE xioHandle;
Azure.IoT Build 0:ef4901974abc 26 MQTTCODEC_HANDLE codec_handle;
Azure.IoT Build 0:ef4901974abc 27 CONTROL_PACKET_TYPE packetState;
Azure.IoT Build 0:ef4901974abc 28 LOGGER_LOG logFunc;
Azure.IoT Build 0:ef4901974abc 29 TICK_COUNTER_HANDLE packetTickCntr;
Azure.IoT Build 0:ef4901974abc 30 uint64_t packetSendTimeMs;
Azure.IoT Build 0:ef4901974abc 31 ON_MQTT_OPERATION_CALLBACK fnOperationCallback;
Azure.IoT Build 0:ef4901974abc 32 ON_MQTT_MESSAGE_RECV_CALLBACK fnMessageRecv;
Azure.IoT Build 0:ef4901974abc 33 void* ctx;
Azure.IoT Build 0:ef4901974abc 34 QOS_VALUE qosValue;
Azure.IoT Build 0:ef4901974abc 35 uint16_t keepAliveInterval;
Azure.IoT Build 0:ef4901974abc 36 MQTT_CLIENT_OPTIONS mqttOptions;
Azure.IoT Build 0:ef4901974abc 37 bool clientConnected;
Azure.IoT Build 0:ef4901974abc 38 bool socketConnected;
Azure.IoT Build 0:ef4901974abc 39 bool logTrace;
Azure.IoT Build 0:ef4901974abc 40 bool rawBytesTrace;
Azure.IoT Build 0:ef4901974abc 41 } MQTT_CLIENT;
Azure.IoT Build 0:ef4901974abc 42
Azure.IoT Build 0:ef4901974abc 43 static uint16_t byteutil_read_uint16(uint8_t** buffer)
Azure.IoT Build 0:ef4901974abc 44 {
Azure.IoT Build 0:ef4901974abc 45 uint16_t result = 0;
Azure.IoT Build 0:ef4901974abc 46 if (buffer != NULL)
Azure.IoT Build 0:ef4901974abc 47 {
Azure.IoT Build 0:ef4901974abc 48 result = 256 * ((uint8_t)(**buffer)) + (uint8_t)(*(*buffer + 1));
Azure.IoT Build 0:ef4901974abc 49 *buffer += 2; // Move the ptr
Azure.IoT Build 0:ef4901974abc 50 }
Azure.IoT Build 0:ef4901974abc 51 return result;
Azure.IoT Build 0:ef4901974abc 52 }
Azure.IoT Build 0:ef4901974abc 53
Azure.IoT Build 0:ef4901974abc 54 static char* byteutil_readUTF(uint8_t** buffer, size_t* byteLen)
Azure.IoT Build 0:ef4901974abc 55 {
Azure.IoT Build 0:ef4901974abc 56 char* result = NULL;
Azure.IoT Build 0:ef4901974abc 57 if (buffer != NULL)
Azure.IoT Build 0:ef4901974abc 58 {
Azure.IoT Build 0:ef4901974abc 59 // Get the length of the string
Azure.IoT Build 0:ef4901974abc 60 int len = byteutil_read_uint16(buffer);
Azure.IoT Build 0:ef4901974abc 61 if (len > 0)
Azure.IoT Build 0:ef4901974abc 62 {
Azure.IoT Build 0:ef4901974abc 63 result = (char*)malloc(len + 1);
Azure.IoT Build 0:ef4901974abc 64 if (result != NULL)
Azure.IoT Build 0:ef4901974abc 65 {
Azure.IoT Build 0:ef4901974abc 66 (void)memcpy(result, *buffer, len);
Azure.IoT Build 0:ef4901974abc 67 result[len] = '\0';
Azure.IoT Build 0:ef4901974abc 68 *buffer += len;
Azure.IoT Build 0:ef4901974abc 69 if (byteLen != NULL)
Azure.IoT Build 0:ef4901974abc 70 {
Azure.IoT Build 0:ef4901974abc 71 *byteLen = len;
Azure.IoT Build 0:ef4901974abc 72 }
Azure.IoT Build 0:ef4901974abc 73 }
Azure.IoT Build 0:ef4901974abc 74 }
Azure.IoT Build 0:ef4901974abc 75 }
Azure.IoT Build 0:ef4901974abc 76 return result;
Azure.IoT Build 0:ef4901974abc 77 }
Azure.IoT Build 0:ef4901974abc 78
Azure.IoT Build 0:ef4901974abc 79 static uint8_t byteutil_readByte(uint8_t** buffer)
Azure.IoT Build 0:ef4901974abc 80 {
Azure.IoT Build 0:ef4901974abc 81 uint8_t result = 0;
Azure.IoT Build 0:ef4901974abc 82 if (buffer != NULL)
Azure.IoT Build 0:ef4901974abc 83 {
Azure.IoT Build 0:ef4901974abc 84 result = **buffer;
Azure.IoT Build 0:ef4901974abc 85 (*buffer)++;
Azure.IoT Build 0:ef4901974abc 86 }
Azure.IoT Build 0:ef4901974abc 87 return result;
Azure.IoT Build 0:ef4901974abc 88 }
Azure.IoT Build 0:ef4901974abc 89
Azure.IoT Build 0:ef4901974abc 90 static void sendComplete(void* context, IO_SEND_RESULT send_result)
Azure.IoT Build 0:ef4901974abc 91 {
Azure.IoT Build 0:ef4901974abc 92 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)context;
Azure.IoT Build 0:ef4901974abc 93 if (mqttData != NULL && mqttData->fnOperationCallback != NULL)
Azure.IoT Build 0:ef4901974abc 94 {
Azure.IoT Build 0:ef4901974abc 95 if (mqttData->packetState == DISCONNECT_TYPE)
Azure.IoT Build 0:ef4901974abc 96 {
Azure.IoT Build 0:ef4901974abc 97 /*Codes_SRS_MQTT_CLIENT_07_032: [If the actionResult parameter is of type MQTT_CLIENT_ON_DISCONNECT or MQTT_CLIENT_ON_ERROR the the msgInfo value shall be NULL.]*/
Azure.IoT Build 0:ef4901974abc 98 mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_DISCONNECT, NULL, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 99
Azure.IoT Build 0:ef4901974abc 100 // close the xio
Azure.IoT Build 0:ef4901974abc 101 (void)xio_close(mqttData->xioHandle, NULL, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 102 mqttData->socketConnected = false;
Azure.IoT Build 0:ef4901974abc 103 mqttData->clientConnected = false;
Azure.IoT Build 0:ef4901974abc 104 }
Azure.IoT Build 0:ef4901974abc 105 }
Azure.IoT Build 0:ef4901974abc 106 }
Azure.IoT Build 0:ef4901974abc 107
Azure.IoT Build 0:ef4901974abc 108 static const char* retrievePacketType(CONTROL_PACKET_TYPE packet)
Azure.IoT Build 0:ef4901974abc 109 {
Azure.IoT Build 0:ef4901974abc 110 switch (packet&CONNECT_PACKET_MASK)
Azure.IoT Build 0:ef4901974abc 111 {
Azure.IoT Build 0:ef4901974abc 112 case CONNECT_TYPE: return "CONNECT";
Azure.IoT Build 0:ef4901974abc 113 case CONNACK_TYPE: return "CONNACK";
Azure.IoT Build 0:ef4901974abc 114 case PUBLISH_TYPE: return "PUBLISH";
Azure.IoT Build 0:ef4901974abc 115 case PUBACK_TYPE: return "PUBACK";
Azure.IoT Build 0:ef4901974abc 116 case PUBREC_TYPE: return "PUBREC";
Azure.IoT Build 0:ef4901974abc 117 case PUBREL_TYPE: return "PUBREL";
Azure.IoT Build 0:ef4901974abc 118 case SUBSCRIBE_TYPE: return "SUBSCRIBE";
Azure.IoT Build 0:ef4901974abc 119 case SUBACK_TYPE: return "SUBACK";
Azure.IoT Build 0:ef4901974abc 120 case UNSUBSCRIBE_TYPE: return "UNSUBSCRIBE";
Azure.IoT Build 0:ef4901974abc 121 case UNSUBACK_TYPE: return "UNSUBACK";
Azure.IoT Build 0:ef4901974abc 122 case PINGREQ_TYPE: return "PINGREQ";
Azure.IoT Build 0:ef4901974abc 123 case PINGRESP_TYPE: return "PINGRESP";
Azure.IoT Build 0:ef4901974abc 124 case DISCONNECT_TYPE: return "DISCONNECT";
Azure.IoT Build 0:ef4901974abc 125 default:
Azure.IoT Build 0:ef4901974abc 126 case PACKET_TYPE_ERROR:
Azure.IoT Build 0:ef4901974abc 127 case UNKNOWN_TYPE:
Azure.IoT Build 0:ef4901974abc 128 return "UNKNOWN";
Azure.IoT Build 0:ef4901974abc 129 }
Azure.IoT Build 0:ef4901974abc 130 }
Azure.IoT Build 0:ef4901974abc 131
Azure.IoT Build 0:ef4901974abc 132 static void logOutgoingingMsgTrace(MQTT_CLIENT* clientData, const uint8_t* data, size_t length)
Azure.IoT Build 0:ef4901974abc 133 {
Azure.IoT Build 0:ef4901974abc 134 if (clientData != NULL && data != NULL && length > 0 && clientData->logTrace)
Azure.IoT Build 0:ef4901974abc 135 {
Azure.IoT Build 0:ef4901974abc 136 LOG(clientData->logFunc, 0, "-> %s: ", retrievePacketType((unsigned char)data[0]));
Azure.IoT Build 0:ef4901974abc 137 for (size_t index = 0; index < length; index++)
Azure.IoT Build 0:ef4901974abc 138 {
Azure.IoT Build 0:ef4901974abc 139 LOG(clientData->logFunc, 0, (char*)FORMAT_HEX_CHAR, (unsigned char)data[index]);
Azure.IoT Build 0:ef4901974abc 140 }
Azure.IoT Build 0:ef4901974abc 141 LOG(clientData->logFunc, LOG_LINE, "");
Azure.IoT Build 0:ef4901974abc 142 }
Azure.IoT Build 0:ef4901974abc 143 }
Azure.IoT Build 0:ef4901974abc 144
Azure.IoT Build 0:ef4901974abc 145 static void logIncomingMsgTrace(MQTT_CLIENT* clientData, CONTROL_PACKET_TYPE packet, int flags, const uint8_t* data, size_t length)
Azure.IoT Build 0:ef4901974abc 146 {
Azure.IoT Build 0:ef4901974abc 147 if (clientData != NULL && data != NULL && length > 0 && clientData->logTrace)
Azure.IoT Build 0:ef4901974abc 148 {
Azure.IoT Build 0:ef4901974abc 149 LOG(clientData->logFunc, 0, "<- %s: 0x%02x 0x%02x ", retrievePacketType((unsigned char)packet), (unsigned char)(packet | flags), length);
Azure.IoT Build 0:ef4901974abc 150 for (size_t index = 0; index < length; index++)
Azure.IoT Build 0:ef4901974abc 151 {
Azure.IoT Build 0:ef4901974abc 152 LOG(clientData->logFunc, 0, (char*)FORMAT_HEX_CHAR, (unsigned char)data[index]);
Azure.IoT Build 0:ef4901974abc 153 }
Azure.IoT Build 0:ef4901974abc 154 LOG(clientData->logFunc, LOG_LINE, "");
Azure.IoT Build 0:ef4901974abc 155 }
Azure.IoT Build 0:ef4901974abc 156 }
Azure.IoT Build 0:ef4901974abc 157
Azure.IoT Build 0:ef4901974abc 158 static int sendPacketItem(MQTT_CLIENT* clientData, const int8_t* data, size_t length)
Azure.IoT Build 0:ef4901974abc 159 {
Azure.IoT Build 0:ef4901974abc 160 int result;
Azure.IoT Build 0:ef4901974abc 161 logOutgoingingMsgTrace(clientData, data, length);
Azure.IoT Build 0:ef4901974abc 162
Azure.IoT Build 0:ef4901974abc 163 if (tickcounter_get_current_ms(clientData->packetTickCntr, &clientData->packetSendTimeMs) != 0)
Azure.IoT Build 0:ef4901974abc 164 {
Azure.IoT Build 0:ef4901974abc 165 LOG(clientData->logFunc, LOG_LINE, "Failure getting current ms tickcounter");
Azure.IoT Build 0:ef4901974abc 166 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 167 }
Azure.IoT Build 0:ef4901974abc 168 else
Azure.IoT Build 0:ef4901974abc 169 {
Azure.IoT Build 0:ef4901974abc 170 result = xio_send(clientData->xioHandle, data, length, sendComplete, clientData);
Azure.IoT Build 0:ef4901974abc 171 if (result != 0)
Azure.IoT Build 0:ef4901974abc 172 {
Azure.IoT Build 0:ef4901974abc 173 LOG(clientData->logFunc, LOG_LINE, "%d: Failure sending control packet data", result);
Azure.IoT Build 0:ef4901974abc 174 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 175 }
Azure.IoT Build 0:ef4901974abc 176 }
Azure.IoT Build 0:ef4901974abc 177 return result;
Azure.IoT Build 0:ef4901974abc 178 }
Azure.IoT Build 0:ef4901974abc 179
Azure.IoT Build 0:ef4901974abc 180 static void onOpenComplete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:ef4901974abc 181 {
Azure.IoT Build 0:ef4901974abc 182 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)context;
Azure.IoT Build 0:ef4901974abc 183 if (mqttData != NULL)
Azure.IoT Build 0:ef4901974abc 184 {
Azure.IoT Build 0:ef4901974abc 185 if (open_result == IO_OPEN_OK && !mqttData->socketConnected)
Azure.IoT Build 0:ef4901974abc 186 {
Azure.IoT Build 0:ef4901974abc 187 mqttData->packetState = CONNECT_TYPE;
Azure.IoT Build 0:ef4901974abc 188 mqttData->socketConnected = true;
Azure.IoT Build 0:ef4901974abc 189 // Send the Connect packet
Azure.IoT Build 0:ef4901974abc 190 BUFFER_HANDLE connPacket = mqtt_codec_connect(&mqttData->mqttOptions);
Azure.IoT Build 0:ef4901974abc 191 if (connPacket == NULL)
Azure.IoT Build 0:ef4901974abc 192 {
Azure.IoT Build 0:ef4901974abc 193 /*Codes_SRS_MQTT_CLIENT_07_007: [If any failure is encountered then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 194 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_codec_connect failed");
Azure.IoT Build 0:ef4901974abc 195 }
Azure.IoT Build 0:ef4901974abc 196 else
Azure.IoT Build 0:ef4901974abc 197 {
Azure.IoT Build 0:ef4901974abc 198 /*Codes_SRS_MQTT_CLIENT_07_009: [On success mqtt_client_connect shall send the MQTT CONNECT to the endpoint.]*/
Azure.IoT Build 0:ef4901974abc 199 if (sendPacketItem(mqttData, BUFFER_u_char(connPacket), BUFFER_length(connPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 200 {
Azure.IoT Build 0:ef4901974abc 201 /*Codes_SRS_MQTT_CLIENT_07_007: [If any failure is encountered then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 202 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_codec_connect failed");
Azure.IoT Build 0:ef4901974abc 203 }
Azure.IoT Build 0:ef4901974abc 204 BUFFER_delete(connPacket);
Azure.IoT Build 0:ef4901974abc 205 }
Azure.IoT Build 0:ef4901974abc 206 }
Azure.IoT Build 0:ef4901974abc 207 else if (open_result == IO_OPEN_ERROR)
Azure.IoT Build 0:ef4901974abc 208 {
Azure.IoT Build 0:ef4901974abc 209 (void)mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_ERROR, NULL, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 210 }
Azure.IoT Build 0:ef4901974abc 211 }
Azure.IoT Build 0:ef4901974abc 212 }
Azure.IoT Build 0:ef4901974abc 213
Azure.IoT Build 0:ef4901974abc 214 static void onBytesReceived(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:ef4901974abc 215 {
Azure.IoT Build 0:ef4901974abc 216 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)context;
Azure.IoT Build 0:ef4901974abc 217 if (mqttData != NULL)
Azure.IoT Build 0:ef4901974abc 218 {
Azure.IoT Build 0:ef4901974abc 219 if (mqtt_codec_bytesReceived(mqttData->codec_handle, buffer, size) != 0)
Azure.IoT Build 0:ef4901974abc 220 {
Azure.IoT Build 0:ef4901974abc 221 if (mqttData->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 222 {
Azure.IoT Build 0:ef4901974abc 223 mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_ERROR, NULL, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 224 }
Azure.IoT Build 0:ef4901974abc 225 }
Azure.IoT Build 0:ef4901974abc 226 }
Azure.IoT Build 0:ef4901974abc 227 }
Azure.IoT Build 0:ef4901974abc 228
Azure.IoT Build 0:ef4901974abc 229 static void onIoError(void* context)
Azure.IoT Build 0:ef4901974abc 230 {
Azure.IoT Build 0:ef4901974abc 231 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)context;
Azure.IoT Build 0:ef4901974abc 232 if (mqttData != NULL && mqttData->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 233 {
Azure.IoT Build 0:ef4901974abc 234 /*Codes_SRS_MQTT_CLIENT_07_032: [If the actionResult parameter is of type MQTT_CLIENT_ON_DISCONNECT or MQTT_CLIENT_ON_ERROR the the msgInfo value shall be NULL.]*/
Azure.IoT Build 0:ef4901974abc 235 mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_ERROR, NULL, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 236 mqttData->socketConnected = false;
Azure.IoT Build 0:ef4901974abc 237 }
Azure.IoT Build 0:ef4901974abc 238 }
Azure.IoT Build 0:ef4901974abc 239
Azure.IoT Build 0:ef4901974abc 240 static int cloneMqttOptions(MQTT_CLIENT* mqttData, const MQTT_CLIENT_OPTIONS* mqttOptions)
Azure.IoT Build 0:ef4901974abc 241 {
Azure.IoT Build 0:ef4901974abc 242 int result = 0;
Azure.IoT Build 0:ef4901974abc 243 if (mqttOptions->clientId != NULL)
Azure.IoT Build 0:ef4901974abc 244 {
Azure.IoT Build 0:ef4901974abc 245 if (mallocAndStrcpy_s(&mqttData->mqttOptions.clientId, mqttOptions->clientId) != 0)
Azure.IoT Build 0:ef4901974abc 246 {
Azure.IoT Build 0:ef4901974abc 247 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 248 }
Azure.IoT Build 0:ef4901974abc 249 }
Azure.IoT Build 0:ef4901974abc 250 if (result == 0 && mqttOptions->willTopic != NULL)
Azure.IoT Build 0:ef4901974abc 251 {
Azure.IoT Build 0:ef4901974abc 252 if (mallocAndStrcpy_s(&mqttData->mqttOptions.willTopic, mqttOptions->willTopic) != 0)
Azure.IoT Build 0:ef4901974abc 253 {
Azure.IoT Build 0:ef4901974abc 254 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 255 }
Azure.IoT Build 0:ef4901974abc 256 }
Azure.IoT Build 0:ef4901974abc 257 if (result == 0 && mqttOptions->willMessage != NULL)
Azure.IoT Build 0:ef4901974abc 258 {
Azure.IoT Build 0:ef4901974abc 259 if (mallocAndStrcpy_s(&mqttData->mqttOptions.willMessage, mqttOptions->willMessage) != 0)
Azure.IoT Build 0:ef4901974abc 260 {
Azure.IoT Build 0:ef4901974abc 261 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 262 }
Azure.IoT Build 0:ef4901974abc 263 }
Azure.IoT Build 0:ef4901974abc 264 if (result == 0 && mqttOptions->username != NULL)
Azure.IoT Build 0:ef4901974abc 265 {
Azure.IoT Build 0:ef4901974abc 266 if (mallocAndStrcpy_s(&mqttData->mqttOptions.username, mqttOptions->username) != 0)
Azure.IoT Build 0:ef4901974abc 267 {
Azure.IoT Build 0:ef4901974abc 268 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 269 }
Azure.IoT Build 0:ef4901974abc 270 }
Azure.IoT Build 0:ef4901974abc 271 if (result == 0 && mqttOptions->password != NULL)
Azure.IoT Build 0:ef4901974abc 272 {
Azure.IoT Build 0:ef4901974abc 273 if (mallocAndStrcpy_s(&mqttData->mqttOptions.password, mqttOptions->password) != 0)
Azure.IoT Build 0:ef4901974abc 274 {
Azure.IoT Build 0:ef4901974abc 275 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 276 }
Azure.IoT Build 0:ef4901974abc 277 }
Azure.IoT Build 0:ef4901974abc 278 if (result == 0)
Azure.IoT Build 0:ef4901974abc 279 {
Azure.IoT Build 0:ef4901974abc 280 mqttData->mqttOptions.keepAliveInterval = mqttOptions->keepAliveInterval;
Azure.IoT Build 0:ef4901974abc 281 mqttData->mqttOptions.messageRetain = mqttOptions->messageRetain;
Azure.IoT Build 0:ef4901974abc 282 mqttData->mqttOptions.useCleanSession = mqttOptions->useCleanSession;
Azure.IoT Build 0:ef4901974abc 283 mqttData->mqttOptions.qualityOfServiceValue = mqttOptions->qualityOfServiceValue;
Azure.IoT Build 0:ef4901974abc 284 }
Azure.IoT Build 0:ef4901974abc 285 else
Azure.IoT Build 0:ef4901974abc 286 {
Azure.IoT Build 0:ef4901974abc 287 free(mqttData->mqttOptions.clientId);
Azure.IoT Build 0:ef4901974abc 288 free(mqttData->mqttOptions.willTopic);
Azure.IoT Build 0:ef4901974abc 289 free(mqttData->mqttOptions.willMessage);
Azure.IoT Build 0:ef4901974abc 290 free(mqttData->mqttOptions.username);
Azure.IoT Build 0:ef4901974abc 291 free(mqttData->mqttOptions.password);
Azure.IoT Build 0:ef4901974abc 292 }
Azure.IoT Build 0:ef4901974abc 293 return result;
Azure.IoT Build 0:ef4901974abc 294 }
Azure.IoT Build 0:ef4901974abc 295
Azure.IoT Build 0:ef4901974abc 296 static void recvCompleteCallback(void* context, CONTROL_PACKET_TYPE packet, int flags, BUFFER_HANDLE headerData)
Azure.IoT Build 0:ef4901974abc 297 {
Azure.IoT Build 0:ef4901974abc 298 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)context;
Azure.IoT Build 0:ef4901974abc 299 if (mqttData != NULL && headerData != NULL)
Azure.IoT Build 0:ef4901974abc 300 {
Azure.IoT Build 0:ef4901974abc 301 size_t len = BUFFER_length(headerData);
Azure.IoT Build 0:ef4901974abc 302 uint8_t* iterator = BUFFER_u_char(headerData);
Azure.IoT Build 0:ef4901974abc 303
Azure.IoT Build 0:ef4901974abc 304 logIncomingMsgTrace(mqttData, packet, flags, iterator, len);
Azure.IoT Build 0:ef4901974abc 305
Azure.IoT Build 0:ef4901974abc 306 if (iterator != NULL && len > 0)
Azure.IoT Build 0:ef4901974abc 307 {
Azure.IoT Build 0:ef4901974abc 308 switch (packet)
Azure.IoT Build 0:ef4901974abc 309 {
Azure.IoT Build 0:ef4901974abc 310 case CONNACK_TYPE:
Azure.IoT Build 0:ef4901974abc 311 {
Azure.IoT Build 0:ef4901974abc 312 if (mqttData->fnOperationCallback != NULL)
Azure.IoT Build 0:ef4901974abc 313 {
Azure.IoT Build 0:ef4901974abc 314 /*Codes_SRS_MQTT_CLIENT_07_028: [If the actionResult parameter is of type CONNECT_ACK then the msgInfo value shall be a CONNECT_ACK structure.]*/
Azure.IoT Build 0:ef4901974abc 315 CONNECT_ACK connack = { 0 };
Azure.IoT Build 0:ef4901974abc 316 connack.isSessionPresent = (byteutil_readByte(&iterator) == 0x1) ? true : false;
Azure.IoT Build 0:ef4901974abc 317 connack.returnCode = byteutil_readByte(&iterator);
Azure.IoT Build 0:ef4901974abc 318
Azure.IoT Build 0:ef4901974abc 319 mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_CONNACK, (void*)&connack, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 320
Azure.IoT Build 0:ef4901974abc 321 if (connack.returnCode == CONNECTION_ACCEPTED)
Azure.IoT Build 0:ef4901974abc 322 {
Azure.IoT Build 0:ef4901974abc 323 mqttData->clientConnected = true;
Azure.IoT Build 0:ef4901974abc 324 }
Azure.IoT Build 0:ef4901974abc 325 }
Azure.IoT Build 0:ef4901974abc 326 break;
Azure.IoT Build 0:ef4901974abc 327 }
Azure.IoT Build 0:ef4901974abc 328 case PUBLISH_TYPE:
Azure.IoT Build 0:ef4901974abc 329 {
Azure.IoT Build 0:ef4901974abc 330 if (mqttData->fnMessageRecv != NULL)
Azure.IoT Build 0:ef4901974abc 331 {
Azure.IoT Build 0:ef4901974abc 332 //uint8_t ctrlPacket = byteutil_readByte(&iterator);
Azure.IoT Build 0:ef4901974abc 333 bool isDuplicateMsg = (flags & DUPLICATE_FLAG_MASK) ? true : false;
Azure.IoT Build 0:ef4901974abc 334 bool isRetainMsg = (flags & RETAIN_FLAG_MASK) ? true : false;
Azure.IoT Build 0:ef4901974abc 335 QOS_VALUE qosValue = (flags == 0) ? DELIVER_AT_MOST_ONCE : (flags & QOS_LEAST_ONCE_FLAG_MASK) ? DELIVER_AT_LEAST_ONCE : DELIVER_EXACTLY_ONCE;
Azure.IoT Build 0:ef4901974abc 336
Azure.IoT Build 0:ef4901974abc 337 uint8_t* initialPos = iterator;
Azure.IoT Build 0:ef4901974abc 338 char* topicName = byteutil_readUTF(&iterator, NULL);
Azure.IoT Build 0:ef4901974abc 339 uint16_t packetId = 0;
Azure.IoT Build 0:ef4901974abc 340 if (qosValue != DELIVER_AT_MOST_ONCE)
Azure.IoT Build 0:ef4901974abc 341 {
Azure.IoT Build 0:ef4901974abc 342 packetId = byteutil_read_uint16(&iterator);
Azure.IoT Build 0:ef4901974abc 343 }
Azure.IoT Build 0:ef4901974abc 344 size_t length = len - (iterator - initialPos);
Azure.IoT Build 0:ef4901974abc 345
Azure.IoT Build 0:ef4901974abc 346 MQTT_MESSAGE_HANDLE msgHandle = mqttmessage_create(packetId, topicName, qosValue, iterator, length);
Azure.IoT Build 0:ef4901974abc 347 if (msgHandle == NULL)
Azure.IoT Build 0:ef4901974abc 348 {
Azure.IoT Build 0:ef4901974abc 349 LOG(mqttData->logFunc, LOG_LINE, "failure in mqttmessage_create");
Azure.IoT Build 0:ef4901974abc 350 }
Azure.IoT Build 0:ef4901974abc 351 else
Azure.IoT Build 0:ef4901974abc 352 {
Azure.IoT Build 0:ef4901974abc 353 (void)mqttmessage_setIsDuplicateMsg(msgHandle, isDuplicateMsg);
Azure.IoT Build 0:ef4901974abc 354 (void)mqttmessage_setIsRetained(msgHandle, isRetainMsg);
Azure.IoT Build 0:ef4901974abc 355 mqttData->fnMessageRecv(msgHandle, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 356
Azure.IoT Build 0:ef4901974abc 357 BUFFER_HANDLE pubRel = NULL;
Azure.IoT Build 0:ef4901974abc 358 if (qosValue == DELIVER_EXACTLY_ONCE)
Azure.IoT Build 0:ef4901974abc 359 {
Azure.IoT Build 0:ef4901974abc 360 pubRel = mqtt_codec_publishReceived(packetId);
Azure.IoT Build 0:ef4901974abc 361 }
Azure.IoT Build 0:ef4901974abc 362 else if (qosValue == DELIVER_AT_LEAST_ONCE)
Azure.IoT Build 0:ef4901974abc 363 {
Azure.IoT Build 0:ef4901974abc 364 pubRel = mqtt_codec_publishAck(packetId);
Azure.IoT Build 0:ef4901974abc 365 }
Azure.IoT Build 0:ef4901974abc 366 if (pubRel != NULL)
Azure.IoT Build 0:ef4901974abc 367 {
Azure.IoT Build 0:ef4901974abc 368 (void)sendPacketItem(mqttData, BUFFER_u_char(pubRel), BUFFER_length(pubRel));
Azure.IoT Build 0:ef4901974abc 369 BUFFER_delete(pubRel);
Azure.IoT Build 0:ef4901974abc 370 }
Azure.IoT Build 0:ef4901974abc 371 free(topicName);
Azure.IoT Build 0:ef4901974abc 372 mqttmessage_destroy(msgHandle);
Azure.IoT Build 0:ef4901974abc 373 }
Azure.IoT Build 0:ef4901974abc 374 }
Azure.IoT Build 0:ef4901974abc 375 break;
Azure.IoT Build 0:ef4901974abc 376 }
Azure.IoT Build 0:ef4901974abc 377 case PUBACK_TYPE:
Azure.IoT Build 0:ef4901974abc 378 case PUBREC_TYPE:
Azure.IoT Build 0:ef4901974abc 379 case PUBREL_TYPE:
Azure.IoT Build 0:ef4901974abc 380 case PUBCOMP_TYPE:
Azure.IoT Build 0:ef4901974abc 381 {
Azure.IoT Build 0:ef4901974abc 382 if (mqttData->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 383 {
Azure.IoT Build 0:ef4901974abc 384 /*Codes_SRS_MQTT_CLIENT_07_029: [If the actionResult parameter are of types PUBACK_TYPE, PUBREC_TYPE, PUBREL_TYPE or PUBCOMP_TYPE then the msgInfo value shall be a PUBLISH_ACK structure.]*/
Azure.IoT Build 0:ef4901974abc 385 MQTT_CLIENT_EVENT_RESULT action = (packet == PUBACK_TYPE) ? MQTT_CLIENT_ON_PUBLISH_ACK :
Azure.IoT Build 0:ef4901974abc 386 (packet == PUBREC_TYPE) ? MQTT_CLIENT_ON_PUBLISH_RECV :
Azure.IoT Build 0:ef4901974abc 387 (packet == PUBREL_TYPE) ? MQTT_CLIENT_ON_PUBLISH_REL : MQTT_CLIENT_ON_PUBLISH_COMP;
Azure.IoT Build 0:ef4901974abc 388
Azure.IoT Build 0:ef4901974abc 389 PUBLISH_ACK publish_ack = { 0 };
Azure.IoT Build 0:ef4901974abc 390 publish_ack.packetId = byteutil_read_uint16(&iterator);
Azure.IoT Build 0:ef4901974abc 391
Azure.IoT Build 0:ef4901974abc 392 BUFFER_HANDLE pubRel = NULL;
Azure.IoT Build 0:ef4901974abc 393 mqttData->fnOperationCallback(mqttData, action, (void*)&publish_ack, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 394 if (packet == PUBREC_TYPE)
Azure.IoT Build 0:ef4901974abc 395 {
Azure.IoT Build 0:ef4901974abc 396 pubRel = mqtt_codec_publishRelease(publish_ack.packetId);
Azure.IoT Build 0:ef4901974abc 397 }
Azure.IoT Build 0:ef4901974abc 398 else if (packet == PUBREL_TYPE)
Azure.IoT Build 0:ef4901974abc 399 {
Azure.IoT Build 0:ef4901974abc 400 pubRel = mqtt_codec_publishComplete(publish_ack.packetId);
Azure.IoT Build 0:ef4901974abc 401 }
Azure.IoT Build 0:ef4901974abc 402 if (pubRel != NULL)
Azure.IoT Build 0:ef4901974abc 403 {
Azure.IoT Build 0:ef4901974abc 404 (void)sendPacketItem(mqttData, BUFFER_u_char(pubRel), BUFFER_length(pubRel));
Azure.IoT Build 0:ef4901974abc 405 BUFFER_delete(pubRel);
Azure.IoT Build 0:ef4901974abc 406 }
Azure.IoT Build 0:ef4901974abc 407 }
Azure.IoT Build 0:ef4901974abc 408 break;
Azure.IoT Build 0:ef4901974abc 409 }
Azure.IoT Build 0:ef4901974abc 410 case SUBACK_TYPE:
Azure.IoT Build 0:ef4901974abc 411 {
Azure.IoT Build 0:ef4901974abc 412 if (mqttData->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 413 {
Azure.IoT Build 0:ef4901974abc 414 /*Codes_SRS_MQTT_CLIENT_07_030: [If the actionResult parameter is of type SUBACK_TYPE then the msgInfo value shall be a SUBSCRIBE_ACK structure.]*/
Azure.IoT Build 0:ef4901974abc 415 SUBSCRIBE_ACK suback = { 0 };
Azure.IoT Build 0:ef4901974abc 416
Azure.IoT Build 0:ef4901974abc 417 size_t remainLen = len;
Azure.IoT Build 0:ef4901974abc 418 suback.packetId = byteutil_read_uint16(&iterator);
Azure.IoT Build 0:ef4901974abc 419 remainLen -= 2;
Azure.IoT Build 0:ef4901974abc 420
Azure.IoT Build 0:ef4901974abc 421 // Allocate the remaining len
Azure.IoT Build 0:ef4901974abc 422 suback.qosReturn = (QOS_VALUE*)malloc(sizeof(QOS_VALUE)*remainLen);
Azure.IoT Build 0:ef4901974abc 423 if (suback.qosReturn != NULL)
Azure.IoT Build 0:ef4901974abc 424 {
Azure.IoT Build 0:ef4901974abc 425 while (remainLen > 0)
Azure.IoT Build 0:ef4901974abc 426 {
Azure.IoT Build 0:ef4901974abc 427 suback.qosReturn[suback.qosCount++] = byteutil_readByte(&iterator);
Azure.IoT Build 0:ef4901974abc 428 remainLen--;
Azure.IoT Build 0:ef4901974abc 429 }
Azure.IoT Build 0:ef4901974abc 430 (void)mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_SUBSCRIBE_ACK, (void*)&suback, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 431 free(suback.qosReturn);
Azure.IoT Build 0:ef4901974abc 432 }
Azure.IoT Build 0:ef4901974abc 433 }
Azure.IoT Build 0:ef4901974abc 434 break;
Azure.IoT Build 0:ef4901974abc 435 }
Azure.IoT Build 0:ef4901974abc 436 case UNSUBACK_TYPE:
Azure.IoT Build 0:ef4901974abc 437 {
Azure.IoT Build 0:ef4901974abc 438 if (mqttData->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 439 {
Azure.IoT Build 0:ef4901974abc 440 /*Codes_SRS_MQTT_CLIENT_07_031: [If the actionResult parameter is of type UNSUBACK_TYPE then the msgInfo value shall be a UNSUBSCRIBE_ACK structure.]*/
Azure.IoT Build 0:ef4901974abc 441 UNSUBSCRIBE_ACK unsuback = { 0 };
Azure.IoT Build 0:ef4901974abc 442 iterator += VARIABLE_HEADER_OFFSET;
Azure.IoT Build 0:ef4901974abc 443 unsuback.packetId = byteutil_read_uint16(&iterator);
Azure.IoT Build 0:ef4901974abc 444
Azure.IoT Build 0:ef4901974abc 445 (void)mqttData->fnOperationCallback(mqttData, MQTT_CLIENT_ON_UNSUBSCRIBE_ACK, (void*)&unsuback, mqttData->ctx);
Azure.IoT Build 0:ef4901974abc 446 }
Azure.IoT Build 0:ef4901974abc 447 break;
Azure.IoT Build 0:ef4901974abc 448 }
Azure.IoT Build 0:ef4901974abc 449 case PINGRESP_TYPE:
Azure.IoT Build 0:ef4901974abc 450 // Ping responses do not get forwarded
Azure.IoT Build 0:ef4901974abc 451 break;
Azure.IoT Build 0:ef4901974abc 452 default:
Azure.IoT Build 0:ef4901974abc 453 break;
Azure.IoT Build 0:ef4901974abc 454 }
Azure.IoT Build 0:ef4901974abc 455 }
Azure.IoT Build 0:ef4901974abc 456 }
Azure.IoT Build 0:ef4901974abc 457 }
Azure.IoT Build 0:ef4901974abc 458
Azure.IoT Build 0:ef4901974abc 459 MQTT_CLIENT_HANDLE mqtt_client_init(ON_MQTT_MESSAGE_RECV_CALLBACK msgRecv, ON_MQTT_OPERATION_CALLBACK opCallback, void* callbackCtx, LOGGER_LOG logger)
Azure.IoT Build 0:ef4901974abc 460 {
Azure.IoT Build 0:ef4901974abc 461 MQTT_CLIENT* result;
Azure.IoT Build 0:ef4901974abc 462 /*Codes_SRS_MQTT_CLIENT_07_001: [If the parameters ON_MQTT_MESSAGE_RECV_CALLBACK is NULL then mqttclient_init shall return NULL.]*/
Azure.IoT Build 0:ef4901974abc 463 if (msgRecv == NULL)
Azure.IoT Build 0:ef4901974abc 464 {
Azure.IoT Build 0:ef4901974abc 465 result = NULL;
Azure.IoT Build 0:ef4901974abc 466 }
Azure.IoT Build 0:ef4901974abc 467 else
Azure.IoT Build 0:ef4901974abc 468 {
Azure.IoT Build 0:ef4901974abc 469 result = malloc(sizeof(MQTT_CLIENT));
Azure.IoT Build 0:ef4901974abc 470 if (result == NULL)
Azure.IoT Build 0:ef4901974abc 471 {
Azure.IoT Build 0:ef4901974abc 472 /*Codes_SRS_MQTT_CLIENT_07_002: [If any failure is encountered then mqttclient_init shall return NULL.]*/
Azure.IoT Build 0:ef4901974abc 473 LOG(logger, LOG_LINE, "mqtt_client_inti failure: Allocation Failure");
Azure.IoT Build 0:ef4901974abc 474 }
Azure.IoT Build 0:ef4901974abc 475 else
Azure.IoT Build 0:ef4901974abc 476 {
Azure.IoT Build 0:ef4901974abc 477 /*Codes_SRS_MQTT_CLIENT_07_003: [mqttclient_init shall allocate MQTTCLIENT_DATA_INSTANCE and return the MQTTCLIENT_HANDLE on success.]*/
Azure.IoT Build 0:ef4901974abc 478 result->xioHandle = NULL;
Azure.IoT Build 0:ef4901974abc 479 result->packetState = UNKNOWN_TYPE;
Azure.IoT Build 0:ef4901974abc 480 result->logFunc = logger;
Azure.IoT Build 0:ef4901974abc 481 result->packetSendTimeMs = 0;
Azure.IoT Build 0:ef4901974abc 482 result->fnOperationCallback = opCallback;
Azure.IoT Build 0:ef4901974abc 483 result->fnMessageRecv = msgRecv;
Azure.IoT Build 0:ef4901974abc 484 result->ctx = callbackCtx;
Azure.IoT Build 0:ef4901974abc 485 result->qosValue = DELIVER_AT_MOST_ONCE;
Azure.IoT Build 0:ef4901974abc 486 result->keepAliveInterval = 0;
Azure.IoT Build 0:ef4901974abc 487 result->packetTickCntr = tickcounter_create();
Azure.IoT Build 0:ef4901974abc 488 result->mqttOptions.clientId = NULL;
Azure.IoT Build 0:ef4901974abc 489 result->mqttOptions.willTopic = NULL;
Azure.IoT Build 0:ef4901974abc 490 result->mqttOptions.willMessage = NULL;
Azure.IoT Build 0:ef4901974abc 491 result->mqttOptions.username = NULL;
Azure.IoT Build 0:ef4901974abc 492 result->mqttOptions.password = NULL;
Azure.IoT Build 0:ef4901974abc 493 result->socketConnected = false;
Azure.IoT Build 0:ef4901974abc 494 result->clientConnected = false;
Azure.IoT Build 0:ef4901974abc 495 result->logTrace = false;
Azure.IoT Build 0:ef4901974abc 496 result->rawBytesTrace = false;
Azure.IoT Build 0:ef4901974abc 497 if (result->packetTickCntr == NULL)
Azure.IoT Build 0:ef4901974abc 498 {
Azure.IoT Build 0:ef4901974abc 499 /*Codes_SRS_MQTT_CLIENT_07_002: [If any failure is encountered then mqttclient_init shall return NULL.]*/
Azure.IoT Build 0:ef4901974abc 500 LOG(logger, LOG_LINE, "mqtt_client_init failure: tickcounter_create failure");
Azure.IoT Build 0:ef4901974abc 501 free(result);
Azure.IoT Build 0:ef4901974abc 502 result = NULL;
Azure.IoT Build 0:ef4901974abc 503 }
Azure.IoT Build 0:ef4901974abc 504 else
Azure.IoT Build 0:ef4901974abc 505 {
Azure.IoT Build 0:ef4901974abc 506 result->codec_handle = mqtt_codec_create(recvCompleteCallback, result);
Azure.IoT Build 0:ef4901974abc 507 if (result->codec_handle == NULL)
Azure.IoT Build 0:ef4901974abc 508 {
Azure.IoT Build 0:ef4901974abc 509 /*Codes_SRS_MQTT_CLIENT_07_002: [If any failure is encountered then mqttclient_init shall return NULL.]*/
Azure.IoT Build 0:ef4901974abc 510 LOG(logger, LOG_LINE, "mqtt_client_init failure: mqtt_codec_create failure");
Azure.IoT Build 0:ef4901974abc 511 tickcounter_destroy(result->packetTickCntr);
Azure.IoT Build 0:ef4901974abc 512 free(result);
Azure.IoT Build 0:ef4901974abc 513 result = NULL;
Azure.IoT Build 0:ef4901974abc 514 }
Azure.IoT Build 0:ef4901974abc 515 }
Azure.IoT Build 0:ef4901974abc 516 }
Azure.IoT Build 0:ef4901974abc 517 }
Azure.IoT Build 0:ef4901974abc 518 return result;
Azure.IoT Build 0:ef4901974abc 519 }
Azure.IoT Build 0:ef4901974abc 520
Azure.IoT Build 0:ef4901974abc 521 void mqtt_client_deinit(MQTT_CLIENT_HANDLE handle)
Azure.IoT Build 0:ef4901974abc 522 {
Azure.IoT Build 0:ef4901974abc 523 /*Codes_SRS_MQTT_CLIENT_07_004: [If the parameter handle is NULL then function mqtt_client_deinit shall do nothing.]*/
Azure.IoT Build 0:ef4901974abc 524 if (handle != NULL)
Azure.IoT Build 0:ef4901974abc 525 {
Azure.IoT Build 0:ef4901974abc 526 /*Codes_SRS_MQTT_CLIENT_07_005: [mqtt_client_deinit shall deallocate all memory allocated in this unit.]*/
Azure.IoT Build 0:ef4901974abc 527 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 528 tickcounter_destroy(mqttData->packetTickCntr);
Azure.IoT Build 0:ef4901974abc 529 mqtt_codec_destroy(mqttData->codec_handle);
Azure.IoT Build 0:ef4901974abc 530 free(mqttData->mqttOptions.clientId);
Azure.IoT Build 0:ef4901974abc 531 free(mqttData->mqttOptions.willTopic);
Azure.IoT Build 0:ef4901974abc 532 free(mqttData->mqttOptions.willMessage);
Azure.IoT Build 0:ef4901974abc 533 free(mqttData->mqttOptions.username);
Azure.IoT Build 0:ef4901974abc 534 free(mqttData->mqttOptions.password);
Azure.IoT Build 0:ef4901974abc 535 free(mqttData);
Azure.IoT Build 0:ef4901974abc 536 }
Azure.IoT Build 0:ef4901974abc 537 }
Azure.IoT Build 0:ef4901974abc 538
Azure.IoT Build 0:ef4901974abc 539 int mqtt_client_connect(MQTT_CLIENT_HANDLE handle, XIO_HANDLE xioHandle, MQTT_CLIENT_OPTIONS* mqttOptions)
Azure.IoT Build 0:ef4901974abc 540 {
Azure.IoT Build 0:ef4901974abc 541 int result;
Azure.IoT Build 0:ef4901974abc 542 /*SRS_MQTT_CLIENT_07_006: [If any of the parameters handle, ioHandle, or mqttOptions are NULL then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 543 if (handle == NULL || mqttOptions == NULL)
Azure.IoT Build 0:ef4901974abc 544 {
Azure.IoT Build 0:ef4901974abc 545 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 546 }
Azure.IoT Build 0:ef4901974abc 547 else
Azure.IoT Build 0:ef4901974abc 548 {
Azure.IoT Build 0:ef4901974abc 549 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 550 if (xioHandle == NULL)
Azure.IoT Build 0:ef4901974abc 551 {
Azure.IoT Build 0:ef4901974abc 552 /*Codes_SRS_MQTT_CLIENT_07_007: [If any failure is encountered then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 553 LOG(mqttData->logFunc, LOG_LINE, "Error: mqttcodec_connect failed");
Azure.IoT Build 0:ef4901974abc 554 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 555 }
Azure.IoT Build 0:ef4901974abc 556 else
Azure.IoT Build 0:ef4901974abc 557 {
Azure.IoT Build 0:ef4901974abc 558 mqttData->xioHandle = xioHandle;
Azure.IoT Build 0:ef4901974abc 559 mqttData->packetState = UNKNOWN_TYPE;
Azure.IoT Build 0:ef4901974abc 560 mqttData->qosValue = mqttOptions->qualityOfServiceValue;
Azure.IoT Build 0:ef4901974abc 561 mqttData->keepAliveInterval = mqttOptions->keepAliveInterval;
Azure.IoT Build 0:ef4901974abc 562 if (cloneMqttOptions(mqttData, mqttOptions) != 0)
Azure.IoT Build 0:ef4901974abc 563 {
Azure.IoT Build 0:ef4901974abc 564 LOG(mqttData->logFunc, LOG_LINE, "Error: Clone Mqtt Options failed");
Azure.IoT Build 0:ef4901974abc 565 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 566 }
Azure.IoT Build 0:ef4901974abc 567 /*Codes_SRS_MQTT_CLIENT_07_008: [mqtt_client_connect shall open the XIO_HANDLE by calling into the xio_open interface.]*/
Azure.IoT Build 0:ef4901974abc 568 else if (xio_open(xioHandle, onOpenComplete, mqttData, onBytesReceived, mqttData, onIoError, mqttData) != 0)
Azure.IoT Build 0:ef4901974abc 569 {
Azure.IoT Build 0:ef4901974abc 570 /*Codes_SRS_MQTT_CLIENT_07_007: [If any failure is encountered then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 571 LOG(mqttData->logFunc, LOG_LINE, "Error: io_open failed");
Azure.IoT Build 0:ef4901974abc 572 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 573 }
Azure.IoT Build 0:ef4901974abc 574 else
Azure.IoT Build 0:ef4901974abc 575 {
Azure.IoT Build 0:ef4901974abc 576 result = 0;
Azure.IoT Build 0:ef4901974abc 577 }
Azure.IoT Build 0:ef4901974abc 578 }
Azure.IoT Build 0:ef4901974abc 579 }
Azure.IoT Build 0:ef4901974abc 580 return result;
Azure.IoT Build 0:ef4901974abc 581 }
Azure.IoT Build 0:ef4901974abc 582
Azure.IoT Build 0:ef4901974abc 583 int mqtt_client_publish(MQTT_CLIENT_HANDLE handle, MQTT_MESSAGE_HANDLE msgHandle)
Azure.IoT Build 0:ef4901974abc 584 {
Azure.IoT Build 0:ef4901974abc 585 int result;
Azure.IoT Build 0:ef4901974abc 586 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 587 if (mqttData == NULL || msgHandle == NULL)
Azure.IoT Build 0:ef4901974abc 588 {
Azure.IoT Build 0:ef4901974abc 589 /*Codes_SRS_MQTT_CLIENT_07_019: [If one of the parameters handle or msgHandle is NULL then mqtt_client_publish shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 590 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 591 }
Azure.IoT Build 0:ef4901974abc 592 else
Azure.IoT Build 0:ef4901974abc 593 {
Azure.IoT Build 0:ef4901974abc 594 /*Codes_SRS_MQTT_CLIENT_07_021: [mqtt_client_publish shall get the message information from the MQTT_MESSAGE_HANDLE.]*/
Azure.IoT Build 0:ef4901974abc 595 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
Azure.IoT Build 0:ef4901974abc 596 if (payload == NULL)
Azure.IoT Build 0:ef4901974abc 597 {
Azure.IoT Build 0:ef4901974abc 598 /*Codes_SRS_MQTT_CLIENT_07_020: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 599 LOG(mqttData->logFunc, LOG_LINE, "Error: mqttmessage_getApplicationMsg failed");
Azure.IoT Build 0:ef4901974abc 600 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 601 }
Azure.IoT Build 0:ef4901974abc 602 else
Azure.IoT Build 0:ef4901974abc 603 {
Azure.IoT Build 0:ef4901974abc 604 BUFFER_HANDLE publishPacket = mqtt_codec_publish(mqttmessage_getQosType(msgHandle), mqttmessage_getIsDuplicateMsg(msgHandle),
Azure.IoT Build 0:ef4901974abc 605 mqttmessage_getIsRetained(msgHandle), mqttmessage_getPacketId(msgHandle), mqttmessage_getTopicName(msgHandle), payload->message, payload->length);
Azure.IoT Build 0:ef4901974abc 606 if (publishPacket == NULL)
Azure.IoT Build 0:ef4901974abc 607 {
Azure.IoT Build 0:ef4901974abc 608 /*Codes_SRS_MQTT_CLIENT_07_020: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 609 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_codec_publish failed");
Azure.IoT Build 0:ef4901974abc 610 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 611 }
Azure.IoT Build 0:ef4901974abc 612 else
Azure.IoT Build 0:ef4901974abc 613 {
Azure.IoT Build 0:ef4901974abc 614 mqttData->packetState = PUBLISH_TYPE;
Azure.IoT Build 0:ef4901974abc 615
Azure.IoT Build 0:ef4901974abc 616 /*Codes_SRS_MQTT_CLIENT_07_022: [On success mqtt_client_publish shall send the MQTT SUBCRIBE packet to the endpoint.]*/
Azure.IoT Build 0:ef4901974abc 617 if (sendPacketItem(mqttData, BUFFER_u_char(publishPacket), BUFFER_length(publishPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 618 {
Azure.IoT Build 0:ef4901974abc 619 /*Codes_SRS_MQTT_CLIENT_07_020: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 620 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_client_publish send failed");
Azure.IoT Build 0:ef4901974abc 621 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 622 }
Azure.IoT Build 0:ef4901974abc 623 else
Azure.IoT Build 0:ef4901974abc 624 {
Azure.IoT Build 0:ef4901974abc 625 result = 0;
Azure.IoT Build 0:ef4901974abc 626 }
Azure.IoT Build 0:ef4901974abc 627 BUFFER_delete(publishPacket);
Azure.IoT Build 0:ef4901974abc 628 }
Azure.IoT Build 0:ef4901974abc 629 }
Azure.IoT Build 0:ef4901974abc 630 }
Azure.IoT Build 0:ef4901974abc 631 return result;
Azure.IoT Build 0:ef4901974abc 632 }
Azure.IoT Build 0:ef4901974abc 633
Azure.IoT Build 0:ef4901974abc 634 int mqtt_client_subscribe(MQTT_CLIENT_HANDLE handle, uint16_t packetId, SUBSCRIBE_PAYLOAD* subscribeList, size_t count)
Azure.IoT Build 0:ef4901974abc 635 {
Azure.IoT Build 0:ef4901974abc 636 int result;
Azure.IoT Build 0:ef4901974abc 637 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 638 if (mqttData == NULL || subscribeList == NULL || count == 0)
Azure.IoT Build 0:ef4901974abc 639 {
Azure.IoT Build 0:ef4901974abc 640 /*Codes_SRS_MQTT_CLIENT_07_013: [If any of the parameters handle, subscribeList is NULL or count is 0 then mqtt_client_subscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 641 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 642 }
Azure.IoT Build 0:ef4901974abc 643 else
Azure.IoT Build 0:ef4901974abc 644 {
Azure.IoT Build 0:ef4901974abc 645 BUFFER_HANDLE subPacket = mqtt_codec_subscribe(packetId, subscribeList, count);
Azure.IoT Build 0:ef4901974abc 646 if (subPacket == NULL)
Azure.IoT Build 0:ef4901974abc 647 {
Azure.IoT Build 0:ef4901974abc 648 /*Codes_SRS_MQTT_CLIENT_07_014: [If any failure is encountered then mqtt_client_subscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 649 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_codec_subscribe failed");
Azure.IoT Build 0:ef4901974abc 650 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 651 }
Azure.IoT Build 0:ef4901974abc 652 else
Azure.IoT Build 0:ef4901974abc 653 {
Azure.IoT Build 0:ef4901974abc 654 mqttData->packetState = SUBSCRIBE_TYPE;
Azure.IoT Build 0:ef4901974abc 655
Azure.IoT Build 0:ef4901974abc 656 /*Codes_SRS_MQTT_CLIENT_07_015: [On success mqtt_client_subscribe shall send the MQTT SUBCRIBE packet to the endpoint.]*/
Azure.IoT Build 0:ef4901974abc 657 if (sendPacketItem(mqttData, BUFFER_u_char(subPacket), BUFFER_length(subPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 658 {
Azure.IoT Build 0:ef4901974abc 659 /*Codes_SRS_MQTT_CLIENT_07_014: [If any failure is encountered then mqtt_client_subscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 660 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_client_subscribe send failed");
Azure.IoT Build 0:ef4901974abc 661 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 662 }
Azure.IoT Build 0:ef4901974abc 663 else
Azure.IoT Build 0:ef4901974abc 664 {
Azure.IoT Build 0:ef4901974abc 665 result = 0;
Azure.IoT Build 0:ef4901974abc 666 }
Azure.IoT Build 0:ef4901974abc 667 BUFFER_delete(subPacket);
Azure.IoT Build 0:ef4901974abc 668 }
Azure.IoT Build 0:ef4901974abc 669 }
Azure.IoT Build 0:ef4901974abc 670 return result;
Azure.IoT Build 0:ef4901974abc 671 }
Azure.IoT Build 0:ef4901974abc 672
Azure.IoT Build 0:ef4901974abc 673 int mqtt_client_unsubscribe(MQTT_CLIENT_HANDLE handle, uint16_t packetId, const char** unsubscribeList, size_t count)
Azure.IoT Build 0:ef4901974abc 674 {
Azure.IoT Build 0:ef4901974abc 675 int result;
Azure.IoT Build 0:ef4901974abc 676 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 677 if (mqttData == NULL || unsubscribeList == NULL || count == 0)
Azure.IoT Build 0:ef4901974abc 678 {
Azure.IoT Build 0:ef4901974abc 679 /*Codes_SRS_MQTT_CLIENT_07_016: [If any of the parameters handle, unsubscribeList is NULL or count is 0 then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 680 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 681 }
Azure.IoT Build 0:ef4901974abc 682 else
Azure.IoT Build 0:ef4901974abc 683 {
Azure.IoT Build 0:ef4901974abc 684 BUFFER_HANDLE unsubPacket = mqtt_codec_unsubscribe(packetId, unsubscribeList, count);
Azure.IoT Build 0:ef4901974abc 685 if (unsubPacket == NULL)
Azure.IoT Build 0:ef4901974abc 686 {
Azure.IoT Build 0:ef4901974abc 687 /*Codes_SRS_MQTT_CLIENT_07_017: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 688 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_codec_unsubscribe failed");
Azure.IoT Build 0:ef4901974abc 689 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 690 }
Azure.IoT Build 0:ef4901974abc 691 else
Azure.IoT Build 0:ef4901974abc 692 {
Azure.IoT Build 0:ef4901974abc 693 mqttData->packetState = UNSUBSCRIBE_TYPE;
Azure.IoT Build 0:ef4901974abc 694
Azure.IoT Build 0:ef4901974abc 695 /*Codes_SRS_MQTT_CLIENT_07_018: [On success mqtt_client_unsubscribe shall send the MQTT SUBCRIBE packet to the endpoint.]*/
Azure.IoT Build 0:ef4901974abc 696 LOG(mqttData->logFunc, LOG_LINE, "MQTT unsubscribe");
Azure.IoT Build 0:ef4901974abc 697 if (sendPacketItem(mqttData, BUFFER_u_char(unsubPacket), BUFFER_length(unsubPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 698 {
Azure.IoT Build 0:ef4901974abc 699 /*Codes_SRS_MQTT_CLIENT_07_017: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.].]*/
Azure.IoT Build 0:ef4901974abc 700 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_client_unsubscribe send failed");
Azure.IoT Build 0:ef4901974abc 701 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 702 }
Azure.IoT Build 0:ef4901974abc 703 else
Azure.IoT Build 0:ef4901974abc 704 {
Azure.IoT Build 0:ef4901974abc 705 result = 0;
Azure.IoT Build 0:ef4901974abc 706 }
Azure.IoT Build 0:ef4901974abc 707 BUFFER_delete(unsubPacket);
Azure.IoT Build 0:ef4901974abc 708 }
Azure.IoT Build 0:ef4901974abc 709 }
Azure.IoT Build 0:ef4901974abc 710 return result;
Azure.IoT Build 0:ef4901974abc 711 }
Azure.IoT Build 0:ef4901974abc 712
Azure.IoT Build 0:ef4901974abc 713 int mqtt_client_disconnect(MQTT_CLIENT_HANDLE handle)
Azure.IoT Build 0:ef4901974abc 714 {
Azure.IoT Build 0:ef4901974abc 715 int result;
Azure.IoT Build 0:ef4901974abc 716 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 717 if (mqttData == NULL)
Azure.IoT Build 0:ef4901974abc 718 {
Azure.IoT Build 0:ef4901974abc 719 /*Codes_SRS_MQTT_CLIENT_07_010: [If the parameters handle is NULL then mqtt_client_disconnect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 720 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 721 }
Azure.IoT Build 0:ef4901974abc 722 else
Azure.IoT Build 0:ef4901974abc 723 {
Azure.IoT Build 0:ef4901974abc 724 mqttData->packetState = DISCONNECT_TYPE;
Azure.IoT Build 0:ef4901974abc 725 BUFFER_HANDLE disconnectPacket = mqtt_codec_disconnect();
Azure.IoT Build 0:ef4901974abc 726 if (disconnectPacket == NULL)
Azure.IoT Build 0:ef4901974abc 727 {
Azure.IoT Build 0:ef4901974abc 728 /*Codes_SRS_MQTT_CLIENT_07_011: [If any failure is encountered then mqtt_client_disconnect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 729 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_client_disconnect failed");
Azure.IoT Build 0:ef4901974abc 730 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 731 }
Azure.IoT Build 0:ef4901974abc 732 else
Azure.IoT Build 0:ef4901974abc 733 {
Azure.IoT Build 0:ef4901974abc 734 mqttData->packetState = DISCONNECT_TYPE;
Azure.IoT Build 0:ef4901974abc 735
Azure.IoT Build 0:ef4901974abc 736 /*Codes_SRS_MQTT_CLIENT_07_012: [On success mqtt_client_disconnect shall send the MQTT DISCONNECT packet to the endpoint.]*/
Azure.IoT Build 0:ef4901974abc 737 if (sendPacketItem(mqttData, BUFFER_u_char(disconnectPacket), BUFFER_length(disconnectPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 738 {
Azure.IoT Build 0:ef4901974abc 739 /*Codes_SRS_MQTT_CLIENT_07_011: [If any failure is encountered then mqtt_client_disconnect shall return a non-zero value.]*/
Azure.IoT Build 0:ef4901974abc 740 LOG(mqttData->logFunc, LOG_LINE, "Error: mqtt_client_disconnect send failed");
Azure.IoT Build 0:ef4901974abc 741 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 742 }
Azure.IoT Build 0:ef4901974abc 743 else
Azure.IoT Build 0:ef4901974abc 744 {
Azure.IoT Build 0:ef4901974abc 745 result = 0;
Azure.IoT Build 0:ef4901974abc 746 }
Azure.IoT Build 0:ef4901974abc 747 BUFFER_delete(disconnectPacket);
Azure.IoT Build 0:ef4901974abc 748 }
Azure.IoT Build 0:ef4901974abc 749 }
Azure.IoT Build 0:ef4901974abc 750 return result;
Azure.IoT Build 0:ef4901974abc 751 }
Azure.IoT Build 0:ef4901974abc 752
Azure.IoT Build 0:ef4901974abc 753 void mqtt_client_dowork(MQTT_CLIENT_HANDLE handle)
Azure.IoT Build 0:ef4901974abc 754 {
Azure.IoT Build 0:ef4901974abc 755 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 756 /*Codes_SRS_MQTT_CLIENT_07_023: [If the parameter handle is NULL then mqtt_client_dowork shall do nothing.]*/
Azure.IoT Build 0:ef4901974abc 757 if (mqttData != NULL)
Azure.IoT Build 0:ef4901974abc 758 {
Azure.IoT Build 0:ef4901974abc 759 /*Codes_SRS_MQTT_CLIENT_07_024: [mqtt_client_dowork shall call the xio_dowork function to complete operations.]*/
Azure.IoT Build 0:ef4901974abc 760 xio_dowork(mqttData->xioHandle);
Azure.IoT Build 0:ef4901974abc 761
Azure.IoT Build 0:ef4901974abc 762 /*Codes_SRS_MQTT_CLIENT_07_025: [mqtt_client_dowork shall retrieve the the last packet send value and ...]*/
Azure.IoT Build 0:ef4901974abc 763 if (mqttData->socketConnected && mqttData->clientConnected && mqttData->keepAliveInterval > 0)
Azure.IoT Build 0:ef4901974abc 764 {
Azure.IoT Build 0:ef4901974abc 765 uint64_t current_ms;
Azure.IoT Build 0:ef4901974abc 766 if (tickcounter_get_current_ms(mqttData->packetTickCntr, &current_ms) != 0)
Azure.IoT Build 0:ef4901974abc 767 {
Azure.IoT Build 0:ef4901974abc 768 LOG(mqttData->logFunc, LOG_LINE, "Error: tickcounter_get_current_ms failed");
Azure.IoT Build 0:ef4901974abc 769 }
Azure.IoT Build 0:ef4901974abc 770 else
Azure.IoT Build 0:ef4901974abc 771 {
Azure.IoT Build 0:ef4901974abc 772 if ((((current_ms - mqttData->packetSendTimeMs) / 1000) + KEEP_ALIVE_BUFFER_SEC) > mqttData->keepAliveInterval)
Azure.IoT Build 0:ef4901974abc 773 {
Azure.IoT Build 0:ef4901974abc 774 /*Codes_SRS_MQTT_CLIENT_07_026: [if keepAliveInternal is > 0 and the send time is greater than the MQTT KeepAliveInterval then it shall construct an MQTT PINGREQ packet.]*/
Azure.IoT Build 0:ef4901974abc 775 BUFFER_HANDLE pingPacket = mqtt_codec_ping();
Azure.IoT Build 0:ef4901974abc 776 if (pingPacket != NULL)
Azure.IoT Build 0:ef4901974abc 777 {
Azure.IoT Build 0:ef4901974abc 778 (void)sendPacketItem(mqttData, BUFFER_u_char(pingPacket), BUFFER_length(pingPacket));
Azure.IoT Build 0:ef4901974abc 779 BUFFER_delete(pingPacket);
Azure.IoT Build 0:ef4901974abc 780 }
Azure.IoT Build 0:ef4901974abc 781 }
Azure.IoT Build 0:ef4901974abc 782 }
Azure.IoT Build 0:ef4901974abc 783 }
Azure.IoT Build 0:ef4901974abc 784 }
Azure.IoT Build 0:ef4901974abc 785 }
Azure.IoT Build 0:ef4901974abc 786
Azure.IoT Build 0:ef4901974abc 787 void mqtt_client_set_trace(MQTT_CLIENT_HANDLE handle, bool traceOn, bool rawBytesOn)
Azure.IoT Build 0:ef4901974abc 788 {
Azure.IoT Build 0:ef4901974abc 789 MQTT_CLIENT* mqttData = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 790 if (mqttData != NULL)
Azure.IoT Build 0:ef4901974abc 791 {
Azure.IoT Build 0:ef4901974abc 792 mqttData->logTrace = traceOn;
Azure.IoT Build 0:ef4901974abc 793 mqttData->rawBytesTrace = rawBytesOn;
Azure.IoT Build 0:ef4901974abc 794 }
Azure.IoT Build 0:ef4901974abc 795 }