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@10:2ab268507775, 2016-12-14 (annotated)

Committer:
Azure.IoT.Build
Date:
Wed Dec 14 16:00:23 2016 -0800
Revision:
10:2ab268507775
Parent:
9:37d14c31ff6e
Child:
11:a0a6a4cf7812
1.1.2

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 4:e7167dabd6e4 9 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 8:83bb166aba73 10 #include "azure_c_shared_utility/strings.h"
AzureIoTClient 8:83bb166aba73 11 #include "azure_c_shared_utility/agenttime.h"
AzureIoTClient 9:37d14c31ff6e 12 #include "azure_c_shared_utility/threadapi.h"
Azure.IoT Build 0:ef4901974abc 13
Azure.IoT Build 0:ef4901974abc 14 #include "azure_umqtt_c/mqtt_client.h"
Azure.IoT Build 0:ef4901974abc 15 #include "azure_umqtt_c/mqtt_codec.h"
AzureIoTClient 8:83bb166aba73 16 #include <inttypes.h>
Azure.IoT Build 0:ef4901974abc 17
Azure.IoT Build 0:ef4901974abc 18 #define KEEP_ALIVE_BUFFER_SEC 10
Azure.IoT Build 0:ef4901974abc 19 #define VARIABLE_HEADER_OFFSET 2
Azure.IoT Build 0:ef4901974abc 20 #define RETAIN_FLAG_MASK 0x1
Azure.IoT Build 0:ef4901974abc 21 #define QOS_LEAST_ONCE_FLAG_MASK 0x2
Azure.IoT Build 0:ef4901974abc 22 #define QOS_EXACTLY_ONCE_FLAG_MASK 0x4
Azure.IoT Build 0:ef4901974abc 23 #define DUPLICATE_FLAG_MASK 0x8
Azure.IoT Build 0:ef4901974abc 24 #define CONNECT_PACKET_MASK 0xf0
AzureIoTClient 1:8dba42ff9701 25 #define TIME_MAX_BUFFER 16
AzureIoTClient 8:83bb166aba73 26 #define DEFAULT_MAX_PING_RESPONSE_TIME 80 // % of time to send pings
AzureIoTClient 9:37d14c31ff6e 27 #define MAX_CLOSE_RETRIES 10
Azure.IoT Build 0:ef4901974abc 28
AzureIoTClient 8:83bb166aba73 29 static const char* TRUE_CONST = "true";
AzureIoTClient 8:83bb166aba73 30 static const char* FALSE_CONST = "false";
AzureIoTClient 8:83bb166aba73 31
AzureIoTClient 8:83bb166aba73 32 DEFINE_ENUM_STRINGS(QOS_VALUE, QOS_VALUE_VALUES);
Azure.IoT Build 0:ef4901974abc 33
Azure.IoT Build 0:ef4901974abc 34 typedef struct MQTT_CLIENT_TAG
Azure.IoT Build 0:ef4901974abc 35 {
Azure.IoT Build 0:ef4901974abc 36 XIO_HANDLE xioHandle;
Azure.IoT Build 0:ef4901974abc 37 MQTTCODEC_HANDLE codec_handle;
Azure.IoT Build 0:ef4901974abc 38 CONTROL_PACKET_TYPE packetState;
Azure.IoT Build 0:ef4901974abc 39 TICK_COUNTER_HANDLE packetTickCntr;
Azure.IoT.Build 10:2ab268507775 40 tickcounter_ms_t packetSendTimeMs;
Azure.IoT Build 0:ef4901974abc 41 ON_MQTT_OPERATION_CALLBACK fnOperationCallback;
Azure.IoT Build 0:ef4901974abc 42 ON_MQTT_MESSAGE_RECV_CALLBACK fnMessageRecv;
Azure.IoT Build 0:ef4901974abc 43 void* ctx;
AzureIoTClient 9:37d14c31ff6e 44 ON_MQTT_ERROR_CALLBACK fnOnErrorCallBack;
AzureIoTClient 9:37d14c31ff6e 45 void* errorCBCtx;
Azure.IoT Build 0:ef4901974abc 46 QOS_VALUE qosValue;
Azure.IoT Build 0:ef4901974abc 47 uint16_t keepAliveInterval;
Azure.IoT Build 0:ef4901974abc 48 MQTT_CLIENT_OPTIONS mqttOptions;
Azure.IoT Build 0:ef4901974abc 49 bool clientConnected;
Azure.IoT Build 0:ef4901974abc 50 bool socketConnected;
Azure.IoT Build 0:ef4901974abc 51 bool logTrace;
Azure.IoT Build 0:ef4901974abc 52 bool rawBytesTrace;
Azure.IoT.Build 10:2ab268507775 53 tickcounter_ms_t timeSincePing;
AzureIoTClient 3:9b4e7158ca0d 54 uint16_t maxPingRespTime;
Azure.IoT Build 0:ef4901974abc 55 } MQTT_CLIENT;
Azure.IoT Build 0:ef4901974abc 56
AzureIoTClient 9:37d14c31ff6e 57 static void on_connection_closed(void* context)
AzureIoTClient 9:37d14c31ff6e 58 {
AzureIoTClient 9:37d14c31ff6e 59 size_t* close_complete = (size_t*)context;
AzureIoTClient 9:37d14c31ff6e 60 *close_complete = 1;
AzureIoTClient 9:37d14c31ff6e 61 }
AzureIoTClient 9:37d14c31ff6e 62
AzureIoTClient 9:37d14c31ff6e 63 static void close_connection(MQTT_CLIENT* mqtt_client)
AzureIoTClient 9:37d14c31ff6e 64 {
AzureIoTClient 9:37d14c31ff6e 65 size_t close_complete = 0;
AzureIoTClient 9:37d14c31ff6e 66 (void)xio_close(mqtt_client->xioHandle, on_connection_closed, &close_complete);
AzureIoTClient 9:37d14c31ff6e 67
AzureIoTClient 9:37d14c31ff6e 68 size_t counter = 0;
AzureIoTClient 9:37d14c31ff6e 69 do
AzureIoTClient 9:37d14c31ff6e 70 {
AzureIoTClient 9:37d14c31ff6e 71 xio_dowork(mqtt_client->xioHandle);
AzureIoTClient 9:37d14c31ff6e 72 counter++;
AzureIoTClient 9:37d14c31ff6e 73 ThreadAPI_Sleep(10);
AzureIoTClient 9:37d14c31ff6e 74 } while (close_complete == 0 && counter < MAX_CLOSE_RETRIES);
AzureIoTClient 9:37d14c31ff6e 75 mqtt_client->socketConnected = false;
AzureIoTClient 9:37d14c31ff6e 76 mqtt_client->clientConnected = false;
AzureIoTClient 9:37d14c31ff6e 77 }
AzureIoTClient 9:37d14c31ff6e 78
AzureIoTClient 9:37d14c31ff6e 79 static void set_error_callback(MQTT_CLIENT* mqtt_client, MQTT_CLIENT_EVENT_ERROR error_type)
AzureIoTClient 9:37d14c31ff6e 80 {
AzureIoTClient 9:37d14c31ff6e 81 if (mqtt_client->fnOnErrorCallBack)
AzureIoTClient 9:37d14c31ff6e 82 {
AzureIoTClient 9:37d14c31ff6e 83 mqtt_client->fnOnErrorCallBack(mqtt_client, error_type, mqtt_client->errorCBCtx);
AzureIoTClient 9:37d14c31ff6e 84 }
AzureIoTClient 9:37d14c31ff6e 85 close_connection(mqtt_client);
AzureIoTClient 9:37d14c31ff6e 86 }
AzureIoTClient 9:37d14c31ff6e 87
AzureIoTClient 8:83bb166aba73 88 static STRING_HANDLE construct_trace_log_handle(MQTT_CLIENT* mqtt_client)
AzureIoTClient 8:83bb166aba73 89 {
AzureIoTClient 8:83bb166aba73 90 STRING_HANDLE trace_log;
AzureIoTClient 8:83bb166aba73 91 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 92 {
AzureIoTClient 8:83bb166aba73 93 trace_log = STRING_new();
AzureIoTClient 8:83bb166aba73 94 }
AzureIoTClient 8:83bb166aba73 95 else
AzureIoTClient 8:83bb166aba73 96 {
AzureIoTClient 8:83bb166aba73 97 trace_log = NULL;
AzureIoTClient 8:83bb166aba73 98 }
AzureIoTClient 8:83bb166aba73 99 return trace_log;
AzureIoTClient 8:83bb166aba73 100 }
AzureIoTClient 8:83bb166aba73 101
AzureIoTClient 8:83bb166aba73 102 static uint16_t byteutil_read_uint16(uint8_t** buffer, size_t len)
Azure.IoT Build 0:ef4901974abc 103 {
Azure.IoT Build 0:ef4901974abc 104 uint16_t result = 0;
AzureIoTClient 8:83bb166aba73 105 if (buffer != NULL && *buffer != NULL && len >= 2)
Azure.IoT Build 0:ef4901974abc 106 {
AzureIoTClient 8:83bb166aba73 107 result = 256 * (**buffer) + (*(*buffer + 1));
Azure.IoT Build 0:ef4901974abc 108 *buffer += 2; // Move the ptr
Azure.IoT Build 0:ef4901974abc 109 }
AzureIoTClient 8:83bb166aba73 110 else
AzureIoTClient 8:83bb166aba73 111 {
AzureIoTClient 8:83bb166aba73 112 LOG(LOG_ERROR, LOG_LINE, "byteutil_read_uint16 == NULL or less than 2");
AzureIoTClient 8:83bb166aba73 113 }
Azure.IoT Build 0:ef4901974abc 114 return result;
Azure.IoT Build 0:ef4901974abc 115 }
Azure.IoT Build 0:ef4901974abc 116
Azure.IoT Build 0:ef4901974abc 117 static char* byteutil_readUTF(uint8_t** buffer, size_t* byteLen)
Azure.IoT Build 0:ef4901974abc 118 {
Azure.IoT Build 0:ef4901974abc 119 char* result = NULL;
Azure.IoT Build 0:ef4901974abc 120 if (buffer != NULL)
Azure.IoT Build 0:ef4901974abc 121 {
Azure.IoT Build 0:ef4901974abc 122 // Get the length of the string
AzureIoTClient 8:83bb166aba73 123 uint16_t len = byteutil_read_uint16(buffer, *byteLen);
Azure.IoT Build 0:ef4901974abc 124 if (len > 0)
Azure.IoT Build 0:ef4901974abc 125 {
Azure.IoT Build 0:ef4901974abc 126 result = (char*)malloc(len + 1);
Azure.IoT Build 0:ef4901974abc 127 if (result != NULL)
Azure.IoT Build 0:ef4901974abc 128 {
Azure.IoT Build 0:ef4901974abc 129 (void)memcpy(result, *buffer, len);
Azure.IoT Build 0:ef4901974abc 130 result[len] = '\0';
Azure.IoT Build 0:ef4901974abc 131 *buffer += len;
Azure.IoT Build 0:ef4901974abc 132 if (byteLen != NULL)
Azure.IoT Build 0:ef4901974abc 133 {
Azure.IoT Build 0:ef4901974abc 134 *byteLen = len;
Azure.IoT Build 0:ef4901974abc 135 }
Azure.IoT Build 0:ef4901974abc 136 }
Azure.IoT Build 0:ef4901974abc 137 }
Azure.IoT Build 0:ef4901974abc 138 }
AzureIoTClient 8:83bb166aba73 139 else
AzureIoTClient 8:83bb166aba73 140 {
AzureIoTClient 8:83bb166aba73 141 LOG(LOG_ERROR, LOG_LINE, "readByte buffer == NULL.");
AzureIoTClient 8:83bb166aba73 142 }
Azure.IoT Build 0:ef4901974abc 143 return result;
Azure.IoT Build 0:ef4901974abc 144 }
Azure.IoT Build 0:ef4901974abc 145
Azure.IoT Build 0:ef4901974abc 146 static uint8_t byteutil_readByte(uint8_t** buffer)
Azure.IoT Build 0:ef4901974abc 147 {
Azure.IoT Build 0:ef4901974abc 148 uint8_t result = 0;
Azure.IoT Build 0:ef4901974abc 149 if (buffer != NULL)
Azure.IoT Build 0:ef4901974abc 150 {
Azure.IoT Build 0:ef4901974abc 151 result = **buffer;
Azure.IoT Build 0:ef4901974abc 152 (*buffer)++;
Azure.IoT Build 0:ef4901974abc 153 }
AzureIoTClient 8:83bb166aba73 154 else
AzureIoTClient 8:83bb166aba73 155 {
AzureIoTClient 8:83bb166aba73 156 LOG(LOG_ERROR, LOG_LINE, "readByte buffer == NULL.");
AzureIoTClient 8:83bb166aba73 157 }
Azure.IoT Build 0:ef4901974abc 158 return result;
Azure.IoT Build 0:ef4901974abc 159 }
Azure.IoT Build 0:ef4901974abc 160
Azure.IoT Build 0:ef4901974abc 161 static void sendComplete(void* context, IO_SEND_RESULT send_result)
Azure.IoT Build 0:ef4901974abc 162 {
AzureIoTClient 8:83bb166aba73 163 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)context;
AzureIoTClient 9:37d14c31ff6e 164 if (mqtt_client != NULL)
Azure.IoT Build 0:ef4901974abc 165 {
AzureIoTClient 9:37d14c31ff6e 166 if (send_result == IO_SEND_OK)
Azure.IoT Build 0:ef4901974abc 167 {
AzureIoTClient 9:37d14c31ff6e 168 if (mqtt_client->packetState == DISCONNECT_TYPE)
AzureIoTClient 5:34779607059c 169 {
AzureIoTClient 9:37d14c31ff6e 170 /*Codes_SRS_MQTT_CLIENT_07_032: [If the actionResult parameter is of type MQTT_CLIENT_ON_DISCONNECT the the msgInfo value shall be NULL.]*/
AzureIoTClient 9:37d14c31ff6e 171 if (mqtt_client->fnOperationCallback != NULL)
AzureIoTClient 9:37d14c31ff6e 172 {
AzureIoTClient 9:37d14c31ff6e 173 mqtt_client->fnOperationCallback(mqtt_client, MQTT_CLIENT_ON_DISCONNECT, NULL, mqtt_client->ctx);
AzureIoTClient 9:37d14c31ff6e 174 }
AzureIoTClient 9:37d14c31ff6e 175 // close the xio
AzureIoTClient 9:37d14c31ff6e 176 close_connection(mqtt_client);
AzureIoTClient 5:34779607059c 177 }
AzureIoTClient 9:37d14c31ff6e 178 }
AzureIoTClient 9:37d14c31ff6e 179 else if (send_result == IO_SEND_ERROR)
AzureIoTClient 9:37d14c31ff6e 180 {
AzureIoTClient 9:37d14c31ff6e 181 LOG(LOG_ERROR, LOG_LINE, "MQTT Send Complete Failure send_result: %d", (int)send_result);
AzureIoTClient 9:37d14c31ff6e 182 set_error_callback(mqtt_client, MQTT_CLIENT_COMMUNICATION_ERROR);
Azure.IoT Build 0:ef4901974abc 183 }
Azure.IoT Build 0:ef4901974abc 184 }
AzureIoTClient 5:34779607059c 185 else
AzureIoTClient 5:34779607059c 186 {
AzureIoTClient 9:37d14c31ff6e 187 LOG(LOG_ERROR, LOG_LINE, "MQTT Send Complete Failure with NULL mqtt_client");
AzureIoTClient 5:34779607059c 188 }
Azure.IoT Build 0:ef4901974abc 189 }
Azure.IoT Build 0:ef4901974abc 190
Azure.IoT Build 0:ef4901974abc 191 static const char* retrievePacketType(CONTROL_PACKET_TYPE packet)
Azure.IoT Build 0:ef4901974abc 192 {
Azure.IoT Build 0:ef4901974abc 193 switch (packet&CONNECT_PACKET_MASK)
Azure.IoT Build 0:ef4901974abc 194 {
Azure.IoT Build 0:ef4901974abc 195 case CONNECT_TYPE: return "CONNECT";
Azure.IoT Build 0:ef4901974abc 196 case CONNACK_TYPE: return "CONNACK";
Azure.IoT Build 0:ef4901974abc 197 case PUBLISH_TYPE: return "PUBLISH";
Azure.IoT Build 0:ef4901974abc 198 case PUBACK_TYPE: return "PUBACK";
Azure.IoT Build 0:ef4901974abc 199 case PUBREC_TYPE: return "PUBREC";
Azure.IoT Build 0:ef4901974abc 200 case PUBREL_TYPE: return "PUBREL";
Azure.IoT Build 0:ef4901974abc 201 case SUBSCRIBE_TYPE: return "SUBSCRIBE";
Azure.IoT Build 0:ef4901974abc 202 case SUBACK_TYPE: return "SUBACK";
Azure.IoT Build 0:ef4901974abc 203 case UNSUBSCRIBE_TYPE: return "UNSUBSCRIBE";
Azure.IoT Build 0:ef4901974abc 204 case UNSUBACK_TYPE: return "UNSUBACK";
Azure.IoT Build 0:ef4901974abc 205 case PINGREQ_TYPE: return "PINGREQ";
Azure.IoT Build 0:ef4901974abc 206 case PINGRESP_TYPE: return "PINGRESP";
Azure.IoT Build 0:ef4901974abc 207 case DISCONNECT_TYPE: return "DISCONNECT";
Azure.IoT Build 0:ef4901974abc 208 default:
Azure.IoT Build 0:ef4901974abc 209 case PACKET_TYPE_ERROR:
Azure.IoT Build 0:ef4901974abc 210 case UNKNOWN_TYPE:
Azure.IoT Build 0:ef4901974abc 211 return "UNKNOWN";
Azure.IoT Build 0:ef4901974abc 212 }
Azure.IoT Build 0:ef4901974abc 213 }
Azure.IoT Build 0:ef4901974abc 214
AzureIoTClient 1:8dba42ff9701 215 static void getLogTime(char* timeResult, size_t len)
AzureIoTClient 1:8dba42ff9701 216 {
AzureIoTClient 1:8dba42ff9701 217 if (timeResult != NULL)
AzureIoTClient 1:8dba42ff9701 218 {
AzureIoTClient 8:83bb166aba73 219 time_t agent_time = get_time(NULL);
AzureIoTClient 8:83bb166aba73 220 if (agent_time == (time_t)-1)
AzureIoTClient 1:8dba42ff9701 221 {
AzureIoTClient 1:8dba42ff9701 222 timeResult[0] = '\0';
AzureIoTClient 1:8dba42ff9701 223 }
AzureIoTClient 8:83bb166aba73 224 else
AzureIoTClient 8:83bb166aba73 225 {
AzureIoTClient 8:83bb166aba73 226 struct tm* tmInfo = localtime(&agent_time);
AzureIoTClient 8:83bb166aba73 227 if (tmInfo == NULL)
AzureIoTClient 8:83bb166aba73 228 {
AzureIoTClient 8:83bb166aba73 229 timeResult[0] = '\0';
AzureIoTClient 8:83bb166aba73 230 }
AzureIoTClient 8:83bb166aba73 231 else
AzureIoTClient 8:83bb166aba73 232 {
AzureIoTClient 8:83bb166aba73 233 if (strftime(timeResult, len, "%H:%M:%S", tmInfo) == 0)
AzureIoTClient 8:83bb166aba73 234 {
AzureIoTClient 8:83bb166aba73 235 timeResult[0] = '\0';
AzureIoTClient 8:83bb166aba73 236 }
AzureIoTClient 8:83bb166aba73 237 }
AzureIoTClient 8:83bb166aba73 238 }
AzureIoTClient 1:8dba42ff9701 239 }
AzureIoTClient 1:8dba42ff9701 240 }
AzureIoTClient 1:8dba42ff9701 241
AzureIoTClient 8:83bb166aba73 242 static void log_outgoing_trace(MQTT_CLIENT* mqtt_client, STRING_HANDLE trace_log)
Azure.IoT Build 0:ef4901974abc 243 {
AzureIoTClient 8:83bb166aba73 244 if (mqtt_client != NULL && mqtt_client->logTrace && trace_log != NULL)
AzureIoTClient 8:83bb166aba73 245 {
AzureIoTClient 8:83bb166aba73 246 char tmBuffer[TIME_MAX_BUFFER];
AzureIoTClient 8:83bb166aba73 247 getLogTime(tmBuffer, TIME_MAX_BUFFER);
AzureIoTClient 8:83bb166aba73 248 LOG(LOG_TRACE, LOG_LINE, "-> %s %s", tmBuffer, STRING_c_str(trace_log));
AzureIoTClient 8:83bb166aba73 249 }
AzureIoTClient 8:83bb166aba73 250 }
AzureIoTClient 8:83bb166aba73 251
AzureIoTClient 8:83bb166aba73 252 static void logOutgoingingRawTrace(MQTT_CLIENT* mqtt_client, const uint8_t* data, size_t length)
AzureIoTClient 8:83bb166aba73 253 {
AzureIoTClient 8:83bb166aba73 254 if (mqtt_client != NULL && data != NULL && length > 0 && mqtt_client->rawBytesTrace)
Azure.IoT Build 0:ef4901974abc 255 {
AzureIoTClient 1:8dba42ff9701 256 char tmBuffer[TIME_MAX_BUFFER];
AzureIoTClient 1:8dba42ff9701 257 getLogTime(tmBuffer, TIME_MAX_BUFFER);
AzureIoTClient 1:8dba42ff9701 258
Azure.IoT Build 4:e7167dabd6e4 259 LOG(LOG_TRACE, 0, "-> %s %s: ", tmBuffer, retrievePacketType((unsigned char)data[0]));
Azure.IoT Build 0:ef4901974abc 260 for (size_t index = 0; index < length; index++)
Azure.IoT Build 0:ef4901974abc 261 {
Azure.IoT.Build 10:2ab268507775 262 LOG(LOG_TRACE, 0, "0x%02x ", data[index]);
Azure.IoT Build 0:ef4901974abc 263 }
Azure.IoT Build 4:e7167dabd6e4 264 LOG(LOG_TRACE, LOG_LINE, "");
Azure.IoT Build 0:ef4901974abc 265 }
Azure.IoT Build 0:ef4901974abc 266 }
Azure.IoT Build 0:ef4901974abc 267
AzureIoTClient 8:83bb166aba73 268 static void log_incoming_trace(MQTT_CLIENT* mqtt_client, STRING_HANDLE trace_log)
AzureIoTClient 8:83bb166aba73 269 {
AzureIoTClient 8:83bb166aba73 270 if (mqtt_client != NULL && mqtt_client->logTrace && trace_log != NULL)
AzureIoTClient 8:83bb166aba73 271 {
AzureIoTClient 8:83bb166aba73 272 char tmBuffer[TIME_MAX_BUFFER];
AzureIoTClient 8:83bb166aba73 273 getLogTime(tmBuffer, TIME_MAX_BUFFER);
AzureIoTClient 8:83bb166aba73 274 LOG(LOG_TRACE, LOG_LINE, "<- %s %s", tmBuffer, STRING_c_str(trace_log) );
AzureIoTClient 8:83bb166aba73 275 }
AzureIoTClient 8:83bb166aba73 276 }
AzureIoTClient 8:83bb166aba73 277
AzureIoTClient 8:83bb166aba73 278 static void logIncomingRawTrace(MQTT_CLIENT* mqtt_client, CONTROL_PACKET_TYPE packet, uint8_t flags, const uint8_t* data, size_t length)
Azure.IoT Build 0:ef4901974abc 279 {
AzureIoTClient 6:d9c4702f91ca 280 #ifdef NO_LOGGING
AzureIoTClient 8:83bb166aba73 281 UNUSED(flags);
AzureIoTClient 6:d9c4702f91ca 282 #endif
AzureIoTClient 8:83bb166aba73 283 if (mqtt_client != NULL && mqtt_client->rawBytesTrace)
Azure.IoT Build 0:ef4901974abc 284 {
AzureIoTClient 3:9b4e7158ca0d 285 if (data != NULL && length > 0)
AzureIoTClient 3:9b4e7158ca0d 286 {
AzureIoTClient 3:9b4e7158ca0d 287 char tmBuffer[TIME_MAX_BUFFER];
AzureIoTClient 3:9b4e7158ca0d 288 getLogTime(tmBuffer, TIME_MAX_BUFFER);
AzureIoTClient 1:8dba42ff9701 289
Azure.IoT Build 4:e7167dabd6e4 290 LOG(LOG_TRACE, 0, "<- %s %s: 0x%02x 0x%02x ", tmBuffer, retrievePacketType((CONTROL_PACKET_TYPE)packet), (unsigned char)(packet | flags), length);
AzureIoTClient 3:9b4e7158ca0d 291 for (size_t index = 0; index < length; index++)
AzureIoTClient 3:9b4e7158ca0d 292 {
Azure.IoT.Build 10:2ab268507775 293 LOG(LOG_TRACE, 0, "0x%02x ", data[index]);
AzureIoTClient 3:9b4e7158ca0d 294 }
Azure.IoT Build 4:e7167dabd6e4 295 LOG(LOG_TRACE, LOG_LINE, "");
AzureIoTClient 3:9b4e7158ca0d 296 }
AzureIoTClient 3:9b4e7158ca0d 297 else if (packet == PINGRESP_TYPE)
Azure.IoT Build 0:ef4901974abc 298 {
AzureIoTClient 3:9b4e7158ca0d 299 char tmBuffer[TIME_MAX_BUFFER];
AzureIoTClient 3:9b4e7158ca0d 300 getLogTime(tmBuffer, TIME_MAX_BUFFER);
Azure.IoT Build 4:e7167dabd6e4 301 LOG(LOG_TRACE, LOG_LINE, "<- %s %s: 0x%02x 0x%02x ", tmBuffer, retrievePacketType((CONTROL_PACKET_TYPE)packet), (unsigned char)(packet | flags), length);
Azure.IoT Build 0:ef4901974abc 302 }
Azure.IoT Build 0:ef4901974abc 303 }
Azure.IoT Build 0:ef4901974abc 304 }
Azure.IoT Build 0:ef4901974abc 305
AzureIoTClient 8:83bb166aba73 306 static int sendPacketItem(MQTT_CLIENT* mqtt_client, const unsigned char* data, size_t length)
Azure.IoT Build 0:ef4901974abc 307 {
Azure.IoT Build 0:ef4901974abc 308 int result;
Azure.IoT Build 0:ef4901974abc 309
AzureIoTClient 8:83bb166aba73 310 if (tickcounter_get_current_ms(mqtt_client->packetTickCntr, &mqtt_client->packetSendTimeMs) != 0)
Azure.IoT Build 0:ef4901974abc 311 {
Azure.IoT Build 4:e7167dabd6e4 312 LOG(LOG_ERROR, LOG_LINE, "Failure getting current ms tickcounter");
Azure.IoT Build 0:ef4901974abc 313 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 314 }
Azure.IoT Build 0:ef4901974abc 315 else
Azure.IoT Build 0:ef4901974abc 316 {
AzureIoTClient 8:83bb166aba73 317 result = xio_send(mqtt_client->xioHandle, (const void*)data, length, sendComplete, mqtt_client);
Azure.IoT Build 0:ef4901974abc 318 if (result != 0)
Azure.IoT Build 0:ef4901974abc 319 {
Azure.IoT Build 4:e7167dabd6e4 320 LOG(LOG_ERROR, LOG_LINE, "%d: Failure sending control packet data", result);
Azure.IoT Build 0:ef4901974abc 321 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 322 }
Azure.IoT Build 4:e7167dabd6e4 323 else
Azure.IoT Build 4:e7167dabd6e4 324 {
AzureIoTClient 8:83bb166aba73 325 logOutgoingingRawTrace(mqtt_client, (const uint8_t*)data, length);
Azure.IoT Build 4:e7167dabd6e4 326 }
Azure.IoT Build 0:ef4901974abc 327 }
Azure.IoT Build 0:ef4901974abc 328 return result;
Azure.IoT Build 0:ef4901974abc 329 }
Azure.IoT Build 0:ef4901974abc 330
Azure.IoT Build 0:ef4901974abc 331 static void onOpenComplete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:ef4901974abc 332 {
AzureIoTClient 8:83bb166aba73 333 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)context;
AzureIoTClient 8:83bb166aba73 334 if (mqtt_client != NULL)
Azure.IoT Build 0:ef4901974abc 335 {
AzureIoTClient 8:83bb166aba73 336 if (open_result == IO_OPEN_OK && !mqtt_client->socketConnected)
Azure.IoT Build 0:ef4901974abc 337 {
AzureIoTClient 8:83bb166aba73 338 mqtt_client->packetState = CONNECT_TYPE;
AzureIoTClient 8:83bb166aba73 339 mqtt_client->socketConnected = true;
AzureIoTClient 8:83bb166aba73 340
AzureIoTClient 8:83bb166aba73 341 STRING_HANDLE trace_log = construct_trace_log_handle(mqtt_client);
AzureIoTClient 8:83bb166aba73 342
Azure.IoT Build 0:ef4901974abc 343 // Send the Connect packet
AzureIoTClient 8:83bb166aba73 344 BUFFER_HANDLE connPacket = mqtt_codec_connect(&mqtt_client->mqttOptions, trace_log);
Azure.IoT Build 0:ef4901974abc 345 if (connPacket == NULL)
Azure.IoT Build 0:ef4901974abc 346 {
Azure.IoT Build 4:e7167dabd6e4 347 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_codec_connect failed");
Azure.IoT Build 0:ef4901974abc 348 }
Azure.IoT Build 0:ef4901974abc 349 else
Azure.IoT Build 0:ef4901974abc 350 {
Azure.IoT Build 0:ef4901974abc 351 /*Codes_SRS_MQTT_CLIENT_07_009: [On success mqtt_client_connect shall send the MQTT CONNECT to the endpoint.]*/
AzureIoTClient 8:83bb166aba73 352 if (sendPacketItem(mqtt_client, BUFFER_u_char(connPacket), BUFFER_length(connPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 353 {
Azure.IoT Build 4:e7167dabd6e4 354 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_codec_connect failed");
Azure.IoT Build 0:ef4901974abc 355 }
AzureIoTClient 8:83bb166aba73 356 else
AzureIoTClient 8:83bb166aba73 357 {
AzureIoTClient 8:83bb166aba73 358 log_outgoing_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 359 }
Azure.IoT Build 0:ef4901974abc 360 BUFFER_delete(connPacket);
Azure.IoT Build 0:ef4901974abc 361 }
AzureIoTClient 8:83bb166aba73 362 if (trace_log != NULL)
AzureIoTClient 8:83bb166aba73 363 {
AzureIoTClient 8:83bb166aba73 364 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 365 }
Azure.IoT Build 0:ef4901974abc 366 }
AzureIoTClient 8:83bb166aba73 367 else
Azure.IoT Build 0:ef4901974abc 368 {
AzureIoTClient 9:37d14c31ff6e 369 if (mqtt_client->socketConnected == false && mqtt_client->fnOnErrorCallBack)
AzureIoTClient 8:83bb166aba73 370 {
AzureIoTClient 9:37d14c31ff6e 371 mqtt_client->fnOnErrorCallBack(mqtt_client, MQTT_CLIENT_CONNECTION_ERROR, mqtt_client->errorCBCtx);
AzureIoTClient 8:83bb166aba73 372 }
AzureIoTClient 9:37d14c31ff6e 373 close_connection(mqtt_client);
Azure.IoT Build 0:ef4901974abc 374 }
Azure.IoT Build 0:ef4901974abc 375 }
AzureIoTClient 8:83bb166aba73 376 else
AzureIoTClient 8:83bb166aba73 377 {
AzureIoTClient 8:83bb166aba73 378 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client is NULL");
AzureIoTClient 8:83bb166aba73 379 }
Azure.IoT Build 0:ef4901974abc 380 }
Azure.IoT Build 0:ef4901974abc 381
Azure.IoT Build 0:ef4901974abc 382 static void onBytesReceived(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:ef4901974abc 383 {
AzureIoTClient 8:83bb166aba73 384 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)context;
AzureIoTClient 8:83bb166aba73 385 if (mqtt_client != NULL)
Azure.IoT Build 0:ef4901974abc 386 {
AzureIoTClient 8:83bb166aba73 387 if (mqtt_codec_bytesReceived(mqtt_client->codec_handle, buffer, size) != 0)
Azure.IoT Build 0:ef4901974abc 388 {
AzureIoTClient 9:37d14c31ff6e 389 set_error_callback(mqtt_client, MQTT_CLIENT_PARSE_ERROR);
Azure.IoT Build 0:ef4901974abc 390 }
Azure.IoT Build 0:ef4901974abc 391 }
AzureIoTClient 8:83bb166aba73 392 else
AzureIoTClient 8:83bb166aba73 393 {
AzureIoTClient 8:83bb166aba73 394 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client is NULL");
AzureIoTClient 8:83bb166aba73 395 }
Azure.IoT Build 0:ef4901974abc 396 }
Azure.IoT Build 0:ef4901974abc 397
Azure.IoT Build 0:ef4901974abc 398 static void onIoError(void* context)
Azure.IoT Build 0:ef4901974abc 399 {
AzureIoTClient 8:83bb166aba73 400 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)context;
AzureIoTClient 8:83bb166aba73 401 if (mqtt_client != NULL && mqtt_client->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 402 {
AzureIoTClient 9:37d14c31ff6e 403 /*Codes_SRS_MQTT_CLIENT_07_032: [If the actionResult parameter is of type MQTT_CLIENT_ON_DISCONNECT the the msgInfo value shall be NULL.]*/
AzureIoTClient 8:83bb166aba73 404 /* Codes_SRS_MQTT_CLIENT_07_036: [ If an error is encountered by the ioHandle the mqtt_client shall call xio_close. ] */
AzureIoTClient 9:37d14c31ff6e 405 set_error_callback(mqtt_client, MQTT_CLIENT_CONNECTION_ERROR);
AzureIoTClient 8:83bb166aba73 406 }
AzureIoTClient 8:83bb166aba73 407 else
AzureIoTClient 8:83bb166aba73 408 {
AzureIoTClient 8:83bb166aba73 409 LOG(LOG_ERROR, LOG_LINE, "Error invalid parameter: mqtt_client: %p", mqtt_client);
Azure.IoT Build 0:ef4901974abc 410 }
Azure.IoT Build 0:ef4901974abc 411 }
Azure.IoT Build 0:ef4901974abc 412
AzureIoTClient 8:83bb166aba73 413 static int cloneMqttOptions(MQTT_CLIENT* mqtt_client, const MQTT_CLIENT_OPTIONS* mqttOptions)
Azure.IoT Build 0:ef4901974abc 414 {
Azure.IoT Build 0:ef4901974abc 415 int result = 0;
Azure.IoT Build 0:ef4901974abc 416 if (mqttOptions->clientId != NULL)
Azure.IoT Build 0:ef4901974abc 417 {
AzureIoTClient 8:83bb166aba73 418 if (mallocAndStrcpy_s(&mqtt_client->mqttOptions.clientId, mqttOptions->clientId) != 0)
Azure.IoT Build 0:ef4901974abc 419 {
Azure.IoT Build 0:ef4901974abc 420 result = __LINE__;
AzureIoTClient 8:83bb166aba73 421 LOG(LOG_ERROR, LOG_LINE, "mallocAndStrcpy_s clientId");
Azure.IoT Build 0:ef4901974abc 422 }
Azure.IoT Build 0:ef4901974abc 423 }
Azure.IoT Build 0:ef4901974abc 424 if (result == 0 && mqttOptions->willTopic != NULL)
Azure.IoT Build 0:ef4901974abc 425 {
AzureIoTClient 8:83bb166aba73 426 if (mallocAndStrcpy_s(&mqtt_client->mqttOptions.willTopic, mqttOptions->willTopic) != 0)
Azure.IoT Build 0:ef4901974abc 427 {
Azure.IoT Build 0:ef4901974abc 428 result = __LINE__;
AzureIoTClient 8:83bb166aba73 429 LOG(LOG_ERROR, LOG_LINE, "mallocAndStrcpy_s willTopic");
Azure.IoT Build 0:ef4901974abc 430 }
Azure.IoT Build 0:ef4901974abc 431 }
Azure.IoT Build 0:ef4901974abc 432 if (result == 0 && mqttOptions->willMessage != NULL)
Azure.IoT Build 0:ef4901974abc 433 {
AzureIoTClient 8:83bb166aba73 434 if (mallocAndStrcpy_s(&mqtt_client->mqttOptions.willMessage, mqttOptions->willMessage) != 0)
Azure.IoT Build 0:ef4901974abc 435 {
AzureIoTClient 8:83bb166aba73 436 LOG(LOG_ERROR, LOG_LINE, "mallocAndStrcpy_s willMessage");
Azure.IoT Build 0:ef4901974abc 437 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 438 }
Azure.IoT Build 0:ef4901974abc 439 }
Azure.IoT Build 0:ef4901974abc 440 if (result == 0 && mqttOptions->username != NULL)
Azure.IoT Build 0:ef4901974abc 441 {
AzureIoTClient 8:83bb166aba73 442 if (mallocAndStrcpy_s(&mqtt_client->mqttOptions.username, mqttOptions->username) != 0)
Azure.IoT Build 0:ef4901974abc 443 {
AzureIoTClient 8:83bb166aba73 444 LOG(LOG_ERROR, LOG_LINE, "mallocAndStrcpy_s username");
Azure.IoT Build 0:ef4901974abc 445 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 446 }
Azure.IoT Build 0:ef4901974abc 447 }
Azure.IoT Build 0:ef4901974abc 448 if (result == 0 && mqttOptions->password != NULL)
Azure.IoT Build 0:ef4901974abc 449 {
AzureIoTClient 8:83bb166aba73 450 if (mallocAndStrcpy_s(&mqtt_client->mqttOptions.password, mqttOptions->password) != 0)
Azure.IoT Build 0:ef4901974abc 451 {
AzureIoTClient 8:83bb166aba73 452 LOG(LOG_ERROR, LOG_LINE, "mallocAndStrcpy_s password");
Azure.IoT Build 0:ef4901974abc 453 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 454 }
Azure.IoT Build 0:ef4901974abc 455 }
Azure.IoT Build 0:ef4901974abc 456 if (result == 0)
Azure.IoT Build 0:ef4901974abc 457 {
AzureIoTClient 8:83bb166aba73 458 mqtt_client->mqttOptions.keepAliveInterval = mqttOptions->keepAliveInterval;
AzureIoTClient 8:83bb166aba73 459 mqtt_client->mqttOptions.messageRetain = mqttOptions->messageRetain;
AzureIoTClient 8:83bb166aba73 460 mqtt_client->mqttOptions.useCleanSession = mqttOptions->useCleanSession;
AzureIoTClient 8:83bb166aba73 461 mqtt_client->mqttOptions.qualityOfServiceValue = mqttOptions->qualityOfServiceValue;
Azure.IoT Build 0:ef4901974abc 462 }
Azure.IoT Build 0:ef4901974abc 463 else
Azure.IoT Build 0:ef4901974abc 464 {
AzureIoTClient 8:83bb166aba73 465 free(mqtt_client->mqttOptions.clientId);
AzureIoTClient 8:83bb166aba73 466 free(mqtt_client->mqttOptions.willTopic);
AzureIoTClient 8:83bb166aba73 467 free(mqtt_client->mqttOptions.willMessage);
AzureIoTClient 8:83bb166aba73 468 free(mqtt_client->mqttOptions.username);
AzureIoTClient 8:83bb166aba73 469 free(mqtt_client->mqttOptions.password);
Azure.IoT Build 0:ef4901974abc 470 }
Azure.IoT Build 0:ef4901974abc 471 return result;
Azure.IoT Build 0:ef4901974abc 472 }
Azure.IoT Build 0:ef4901974abc 473
Azure.IoT Build 0:ef4901974abc 474 static void recvCompleteCallback(void* context, CONTROL_PACKET_TYPE packet, int flags, BUFFER_HANDLE headerData)
Azure.IoT Build 0:ef4901974abc 475 {
AzureIoTClient 8:83bb166aba73 476 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)context;
AzureIoTClient 8:83bb166aba73 477 if ((mqtt_client != NULL && headerData != NULL) || packet == PINGRESP_TYPE)
Azure.IoT Build 0:ef4901974abc 478 {
Azure.IoT Build 0:ef4901974abc 479 size_t len = BUFFER_length(headerData);
Azure.IoT Build 0:ef4901974abc 480 uint8_t* iterator = BUFFER_u_char(headerData);
Azure.IoT Build 0:ef4901974abc 481
AzureIoTClient 8:83bb166aba73 482 logIncomingRawTrace(mqtt_client, packet, (uint8_t)flags, iterator, len);
Azure.IoT Build 0:ef4901974abc 483
AzureIoTClient 3:9b4e7158ca0d 484 if ((iterator != NULL && len > 0) || packet == PINGRESP_TYPE)
Azure.IoT Build 0:ef4901974abc 485 {
Azure.IoT Build 0:ef4901974abc 486 switch (packet)
Azure.IoT Build 0:ef4901974abc 487 {
AzureIoTClient 3:9b4e7158ca0d 488 case CONNACK_TYPE:
Azure.IoT Build 0:ef4901974abc 489 {
AzureIoTClient 8:83bb166aba73 490 if (mqtt_client->fnOperationCallback != NULL)
AzureIoTClient 3:9b4e7158ca0d 491 {
AzureIoTClient 8:83bb166aba73 492 STRING_HANDLE trace_log = NULL;
AzureIoTClient 8:83bb166aba73 493
AzureIoTClient 3:9b4e7158ca0d 494 /*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.]*/
AzureIoTClient 3:9b4e7158ca0d 495 CONNECT_ACK connack = { 0 };
AzureIoTClient 3:9b4e7158ca0d 496 connack.isSessionPresent = (byteutil_readByte(&iterator) == 0x1) ? true : false;
AzureIoTClient 3:9b4e7158ca0d 497 connack.returnCode = byteutil_readByte(&iterator);
Azure.IoT Build 0:ef4901974abc 498
AzureIoTClient 8:83bb166aba73 499 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 500 {
AzureIoTClient 8:83bb166aba73 501 trace_log = STRING_construct_sprintf("CONNACK | SESSION_PRESENT: %s | RETURN_CODE: 0x%x", connack.isSessionPresent ? TRUE_CONST : FALSE_CONST, connack.returnCode);
AzureIoTClient 8:83bb166aba73 502 log_incoming_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 503 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 504 }
AzureIoTClient 8:83bb166aba73 505 mqtt_client->fnOperationCallback(mqtt_client, MQTT_CLIENT_ON_CONNACK, (void*)&connack, mqtt_client->ctx);
AzureIoTClient 3:9b4e7158ca0d 506
AzureIoTClient 3:9b4e7158ca0d 507 if (connack.returnCode == CONNECTION_ACCEPTED)
AzureIoTClient 3:9b4e7158ca0d 508 {
AzureIoTClient 8:83bb166aba73 509 mqtt_client->clientConnected = true;
AzureIoTClient 3:9b4e7158ca0d 510 }
Azure.IoT Build 0:ef4901974abc 511 }
AzureIoTClient 8:83bb166aba73 512 else
AzureIoTClient 8:83bb166aba73 513 {
AzureIoTClient 8:83bb166aba73 514 LOG(LOG_ERROR, LOG_LINE, "fnOperationCallback NULL");
AzureIoTClient 8:83bb166aba73 515 }
AzureIoTClient 3:9b4e7158ca0d 516 break;
Azure.IoT Build 0:ef4901974abc 517 }
AzureIoTClient 3:9b4e7158ca0d 518 case PUBLISH_TYPE:
Azure.IoT Build 0:ef4901974abc 519 {
AzureIoTClient 8:83bb166aba73 520 if (mqtt_client->fnMessageRecv != NULL)
AzureIoTClient 3:9b4e7158ca0d 521 {
AzureIoTClient 8:83bb166aba73 522 STRING_HANDLE trace_log = NULL;
AzureIoTClient 8:83bb166aba73 523
AzureIoTClient 3:9b4e7158ca0d 524 bool isDuplicateMsg = (flags & DUPLICATE_FLAG_MASK) ? true : false;
AzureIoTClient 3:9b4e7158ca0d 525 bool isRetainMsg = (flags & RETAIN_FLAG_MASK) ? true : false;
AzureIoTClient 3:9b4e7158ca0d 526 QOS_VALUE qosValue = (flags == 0) ? DELIVER_AT_MOST_ONCE : (flags & QOS_LEAST_ONCE_FLAG_MASK) ? DELIVER_AT_LEAST_ONCE : DELIVER_EXACTLY_ONCE;
AzureIoTClient 3:9b4e7158ca0d 527
AzureIoTClient 8:83bb166aba73 528 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 529 {
AzureIoTClient 8:83bb166aba73 530 trace_log = STRING_construct_sprintf("PUBLISH | IS_DUP: %s | RETAIN: %d | QOS: %s", isDuplicateMsg ? TRUE_CONST : FALSE_CONST,
AzureIoTClient 8:83bb166aba73 531 isRetainMsg ? 1 : 0, ENUM_TO_STRING(QOS_VALUE, qosValue) );
AzureIoTClient 8:83bb166aba73 532 }
AzureIoTClient 8:83bb166aba73 533
AzureIoTClient 3:9b4e7158ca0d 534 uint8_t* initialPos = iterator;
AzureIoTClient 8:83bb166aba73 535 size_t length = len - (iterator - initialPos);
AzureIoTClient 8:83bb166aba73 536 char* topicName = byteutil_readUTF(&iterator, &length);
AzureIoTClient 5:34779607059c 537 if (topicName == NULL)
AzureIoTClient 3:9b4e7158ca0d 538 {
AzureIoTClient 5:34779607059c 539 LOG(LOG_ERROR, LOG_LINE, "Publish MSG: failure reading topic name");
AzureIoTClient 9:37d14c31ff6e 540 set_error_callback(mqtt_client, MQTT_CLIENT_PARSE_ERROR);
AzureIoTClient 8:83bb166aba73 541 if (trace_log != NULL)
AzureIoTClient 8:83bb166aba73 542 {
AzureIoTClient 8:83bb166aba73 543 STRING_delete(trace_log);
AzureIoTClient 5:34779607059c 544 }
AzureIoTClient 3:9b4e7158ca0d 545 }
AzureIoTClient 3:9b4e7158ca0d 546 else
AzureIoTClient 3:9b4e7158ca0d 547 {
AzureIoTClient 8:83bb166aba73 548 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 549 {
AzureIoTClient 8:83bb166aba73 550 STRING_sprintf(trace_log, " | TOPIC_NAME: %s", topicName);
AzureIoTClient 8:83bb166aba73 551 }
AzureIoTClient 5:34779607059c 552 uint16_t packetId = 0;
AzureIoTClient 8:83bb166aba73 553 length = len - (iterator - initialPos);
AzureIoTClient 5:34779607059c 554 if (qosValue != DELIVER_AT_MOST_ONCE)
AzureIoTClient 5:34779607059c 555 {
AzureIoTClient 8:83bb166aba73 556 packetId = byteutil_read_uint16(&iterator, length);
AzureIoTClient 8:83bb166aba73 557 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 558 {
AzureIoTClient 8:83bb166aba73 559 STRING_sprintf(trace_log, " | PACKET_ID: %"PRIu16, packetId);
AzureIoTClient 8:83bb166aba73 560 }
AzureIoTClient 5:34779607059c 561 }
AzureIoTClient 8:83bb166aba73 562 length = len - (iterator - initialPos);
AzureIoTClient 3:9b4e7158ca0d 563
AzureIoTClient 5:34779607059c 564 MQTT_MESSAGE_HANDLE msgHandle = mqttmessage_create(packetId, topicName, qosValue, iterator, length);
AzureIoTClient 5:34779607059c 565 if (msgHandle == NULL)
AzureIoTClient 3:9b4e7158ca0d 566 {
AzureIoTClient 5:34779607059c 567 LOG(LOG_ERROR, LOG_LINE, "failure in mqttmessage_create");
AzureIoTClient 9:37d14c31ff6e 568 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 8:83bb166aba73 569 if (trace_log != NULL) {
AzureIoTClient 8:83bb166aba73 570 STRING_delete(trace_log);
AzureIoTClient 5:34779607059c 571 }
AzureIoTClient 3:9b4e7158ca0d 572 }
AzureIoTClient 5:34779607059c 573 else
AzureIoTClient 3:9b4e7158ca0d 574 {
AzureIoTClient 5:34779607059c 575 if (mqttmessage_setIsDuplicateMsg(msgHandle, isDuplicateMsg) != 0 ||
AzureIoTClient 5:34779607059c 576 mqttmessage_setIsRetained(msgHandle, isRetainMsg) != 0)
AzureIoTClient 5:34779607059c 577 {
AzureIoTClient 5:34779607059c 578 LOG(LOG_ERROR, LOG_LINE, "failure setting mqtt message property");
AzureIoTClient 9:37d14c31ff6e 579 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 8:83bb166aba73 580 if (trace_log != NULL) {
AzureIoTClient 8:83bb166aba73 581 STRING_delete(trace_log);
AzureIoTClient 5:34779607059c 582 }
AzureIoTClient 5:34779607059c 583 }
AzureIoTClient 5:34779607059c 584 else
AzureIoTClient 5:34779607059c 585 {
AzureIoTClient 8:83bb166aba73 586 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 587 {
AzureIoTClient 8:83bb166aba73 588 STRING_sprintf(trace_log, " | PAYLOAD_LEN: %zu", length);
AzureIoTClient 8:83bb166aba73 589 log_incoming_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 590 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 591 }
AzureIoTClient 8:83bb166aba73 592
AzureIoTClient 8:83bb166aba73 593 mqtt_client->fnMessageRecv(msgHandle, mqtt_client->ctx);
AzureIoTClient 5:34779607059c 594
AzureIoTClient 5:34779607059c 595 BUFFER_HANDLE pubRel = NULL;
AzureIoTClient 5:34779607059c 596 if (qosValue == DELIVER_EXACTLY_ONCE)
AzureIoTClient 5:34779607059c 597 {
AzureIoTClient 5:34779607059c 598 pubRel = mqtt_codec_publishReceived(packetId);
AzureIoTClient 5:34779607059c 599 if (pubRel == NULL)
AzureIoTClient 5:34779607059c 600 {
AzureIoTClient 5:34779607059c 601 LOG(LOG_ERROR, LOG_LINE, "Failed to allocate publish receive message.");
AzureIoTClient 9:37d14c31ff6e 602 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 5:34779607059c 603 }
AzureIoTClient 5:34779607059c 604 }
AzureIoTClient 5:34779607059c 605 else if (qosValue == DELIVER_AT_LEAST_ONCE)
AzureIoTClient 5:34779607059c 606 {
AzureIoTClient 5:34779607059c 607 pubRel = mqtt_codec_publishAck(packetId);
AzureIoTClient 5:34779607059c 608 if (pubRel == NULL)
AzureIoTClient 5:34779607059c 609 {
AzureIoTClient 5:34779607059c 610 LOG(LOG_ERROR, LOG_LINE, "Failed to allocate publish ack message.");
AzureIoTClient 9:37d14c31ff6e 611 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 5:34779607059c 612 }
AzureIoTClient 5:34779607059c 613 }
AzureIoTClient 5:34779607059c 614 if (pubRel != NULL)
AzureIoTClient 5:34779607059c 615 {
AzureIoTClient 8:83bb166aba73 616 (void)sendPacketItem(mqtt_client, BUFFER_u_char(pubRel), BUFFER_length(pubRel));
AzureIoTClient 5:34779607059c 617 BUFFER_delete(pubRel);
AzureIoTClient 5:34779607059c 618 }
AzureIoTClient 5:34779607059c 619 }
AzureIoTClient 5:34779607059c 620 mqttmessage_destroy(msgHandle);
AzureIoTClient 3:9b4e7158ca0d 621 }
AzureIoTClient 3:9b4e7158ca0d 622 free(topicName);
AzureIoTClient 3:9b4e7158ca0d 623 }
Azure.IoT Build 0:ef4901974abc 624 }
AzureIoTClient 3:9b4e7158ca0d 625 break;
AzureIoTClient 3:9b4e7158ca0d 626 }
AzureIoTClient 3:9b4e7158ca0d 627 case PUBACK_TYPE:
AzureIoTClient 3:9b4e7158ca0d 628 case PUBREC_TYPE:
AzureIoTClient 3:9b4e7158ca0d 629 case PUBREL_TYPE:
AzureIoTClient 3:9b4e7158ca0d 630 case PUBCOMP_TYPE:
AzureIoTClient 3:9b4e7158ca0d 631 {
AzureIoTClient 8:83bb166aba73 632 if (mqtt_client->fnOperationCallback)
Azure.IoT Build 0:ef4901974abc 633 {
AzureIoTClient 8:83bb166aba73 634 STRING_HANDLE trace_log = NULL;
AzureIoTClient 8:83bb166aba73 635
AzureIoTClient 3:9b4e7158ca0d 636 /*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.]*/
AzureIoTClient 3:9b4e7158ca0d 637 MQTT_CLIENT_EVENT_RESULT action = (packet == PUBACK_TYPE) ? MQTT_CLIENT_ON_PUBLISH_ACK :
AzureIoTClient 3:9b4e7158ca0d 638 (packet == PUBREC_TYPE) ? MQTT_CLIENT_ON_PUBLISH_RECV :
AzureIoTClient 3:9b4e7158ca0d 639 (packet == PUBREL_TYPE) ? MQTT_CLIENT_ON_PUBLISH_REL : MQTT_CLIENT_ON_PUBLISH_COMP;
AzureIoTClient 3:9b4e7158ca0d 640
AzureIoTClient 3:9b4e7158ca0d 641 PUBLISH_ACK publish_ack = { 0 };
AzureIoTClient 8:83bb166aba73 642 publish_ack.packetId = byteutil_read_uint16(&iterator, len);
AzureIoTClient 8:83bb166aba73 643
AzureIoTClient 8:83bb166aba73 644 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 645 {
AzureIoTClient 8:83bb166aba73 646 trace_log = STRING_construct_sprintf("%s | PACKET_ID: %"PRIu16, packet == PUBACK_TYPE ? "PUBACK" : (packet == PUBREC_TYPE) ? "PUBREC" : (packet == PUBREL_TYPE) ? "PUBREL" : "PUBCOMP",
AzureIoTClient 8:83bb166aba73 647 publish_ack.packetId);
AzureIoTClient 8:83bb166aba73 648
AzureIoTClient 8:83bb166aba73 649 log_incoming_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 650 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 651 }
Azure.IoT Build 0:ef4901974abc 652
Azure.IoT Build 0:ef4901974abc 653 BUFFER_HANDLE pubRel = NULL;
AzureIoTClient 8:83bb166aba73 654 mqtt_client->fnOperationCallback(mqtt_client, action, (void*)&publish_ack, mqtt_client->ctx);
AzureIoTClient 3:9b4e7158ca0d 655 if (packet == PUBREC_TYPE)
Azure.IoT Build 0:ef4901974abc 656 {
AzureIoTClient 3:9b4e7158ca0d 657 pubRel = mqtt_codec_publishRelease(publish_ack.packetId);
AzureIoTClient 5:34779607059c 658 if (pubRel == NULL)
AzureIoTClient 5:34779607059c 659 {
AzureIoTClient 5:34779607059c 660 LOG(LOG_ERROR, LOG_LINE, "Failed to allocate publish release message.");
AzureIoTClient 9:37d14c31ff6e 661 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 5:34779607059c 662 }
Azure.IoT Build 0:ef4901974abc 663 }
AzureIoTClient 3:9b4e7158ca0d 664 else if (packet == PUBREL_TYPE)
Azure.IoT Build 0:ef4901974abc 665 {
AzureIoTClient 3:9b4e7158ca0d 666 pubRel = mqtt_codec_publishComplete(publish_ack.packetId);
AzureIoTClient 5:34779607059c 667 if (pubRel == NULL)
AzureIoTClient 5:34779607059c 668 {
AzureIoTClient 5:34779607059c 669 LOG(LOG_ERROR, LOG_LINE, "Failed to allocate publish complete message.");
AzureIoTClient 9:37d14c31ff6e 670 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 5:34779607059c 671 }
Azure.IoT Build 0:ef4901974abc 672 }
Azure.IoT Build 0:ef4901974abc 673 if (pubRel != NULL)
Azure.IoT Build 0:ef4901974abc 674 {
AzureIoTClient 8:83bb166aba73 675 (void)sendPacketItem(mqtt_client, BUFFER_u_char(pubRel), BUFFER_length(pubRel));
Azure.IoT Build 0:ef4901974abc 676 BUFFER_delete(pubRel);
Azure.IoT Build 0:ef4901974abc 677 }
Azure.IoT Build 0:ef4901974abc 678 }
AzureIoTClient 3:9b4e7158ca0d 679 break;
Azure.IoT Build 0:ef4901974abc 680 }
AzureIoTClient 3:9b4e7158ca0d 681 case SUBACK_TYPE:
Azure.IoT Build 0:ef4901974abc 682 {
AzureIoTClient 8:83bb166aba73 683 if (mqtt_client->fnOperationCallback)
AzureIoTClient 3:9b4e7158ca0d 684 {
AzureIoTClient 8:83bb166aba73 685 STRING_HANDLE trace_log = NULL;
AzureIoTClient 8:83bb166aba73 686
AzureIoTClient 3:9b4e7158ca0d 687 /*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.]*/
AzureIoTClient 3:9b4e7158ca0d 688 SUBSCRIBE_ACK suback = { 0 };
AzureIoTClient 3:9b4e7158ca0d 689
AzureIoTClient 3:9b4e7158ca0d 690 size_t remainLen = len;
AzureIoTClient 8:83bb166aba73 691 suback.packetId = byteutil_read_uint16(&iterator, len);
AzureIoTClient 3:9b4e7158ca0d 692 remainLen -= 2;
Azure.IoT Build 0:ef4901974abc 693
AzureIoTClient 8:83bb166aba73 694 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 695 {
AzureIoTClient 8:83bb166aba73 696 trace_log = STRING_construct_sprintf("SUBACK | PACKET_ID: %"PRIu16, suback.packetId);
AzureIoTClient 8:83bb166aba73 697 }
AzureIoTClient 8:83bb166aba73 698
AzureIoTClient 3:9b4e7158ca0d 699 // Allocate the remaining len
AzureIoTClient 3:9b4e7158ca0d 700 suback.qosReturn = (QOS_VALUE*)malloc(sizeof(QOS_VALUE)*remainLen);
AzureIoTClient 3:9b4e7158ca0d 701 if (suback.qosReturn != NULL)
Azure.IoT Build 0:ef4901974abc 702 {
AzureIoTClient 3:9b4e7158ca0d 703 while (remainLen > 0)
AzureIoTClient 3:9b4e7158ca0d 704 {
AzureIoTClient 3:9b4e7158ca0d 705 suback.qosReturn[suback.qosCount++] = byteutil_readByte(&iterator);
AzureIoTClient 3:9b4e7158ca0d 706 remainLen--;
AzureIoTClient 8:83bb166aba73 707 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 708 {
AzureIoTClient 8:83bb166aba73 709 STRING_sprintf(trace_log, " | RETURN_CODE: %"PRIu16, suback.qosReturn[suback.qosCount-1]);
AzureIoTClient 8:83bb166aba73 710 }
AzureIoTClient 3:9b4e7158ca0d 711 }
AzureIoTClient 8:83bb166aba73 712
AzureIoTClient 8:83bb166aba73 713 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 714 {
AzureIoTClient 8:83bb166aba73 715 log_incoming_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 716 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 717 }
AzureIoTClient 8:83bb166aba73 718 mqtt_client->fnOperationCallback(mqtt_client, MQTT_CLIENT_ON_SUBSCRIBE_ACK, (void*)&suback, mqtt_client->ctx);
AzureIoTClient 3:9b4e7158ca0d 719 free(suback.qosReturn);
Azure.IoT Build 0:ef4901974abc 720 }
AzureIoTClient 5:34779607059c 721 else
AzureIoTClient 5:34779607059c 722 {
AzureIoTClient 5:34779607059c 723 LOG(LOG_ERROR, LOG_LINE, "allocation of quality of service value failed.");
AzureIoTClient 9:37d14c31ff6e 724 set_error_callback(mqtt_client, MQTT_CLIENT_MEMORY_ERROR);
AzureIoTClient 5:34779607059c 725 }
Azure.IoT Build 0:ef4901974abc 726 }
AzureIoTClient 3:9b4e7158ca0d 727 break;
Azure.IoT Build 0:ef4901974abc 728 }
AzureIoTClient 3:9b4e7158ca0d 729 case UNSUBACK_TYPE:
Azure.IoT Build 0:ef4901974abc 730 {
AzureIoTClient 8:83bb166aba73 731 if (mqtt_client->fnOperationCallback)
AzureIoTClient 3:9b4e7158ca0d 732 {
AzureIoTClient 8:83bb166aba73 733 STRING_HANDLE trace_log = NULL;
AzureIoTClient 8:83bb166aba73 734
AzureIoTClient 3:9b4e7158ca0d 735 /*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.]*/
AzureIoTClient 3:9b4e7158ca0d 736 UNSUBSCRIBE_ACK unsuback = { 0 };
AzureIoTClient 3:9b4e7158ca0d 737 iterator += VARIABLE_HEADER_OFFSET;
AzureIoTClient 8:83bb166aba73 738 unsuback.packetId = byteutil_read_uint16(&iterator, len);
Azure.IoT Build 0:ef4901974abc 739
AzureIoTClient 8:83bb166aba73 740 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 741 {
AzureIoTClient 8:83bb166aba73 742 trace_log = STRING_construct_sprintf("UNSUBACK | PACKET_ID: %"PRIu16, unsuback.packetId);
AzureIoTClient 8:83bb166aba73 743 log_incoming_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 744 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 745 }
AzureIoTClient 8:83bb166aba73 746 mqtt_client->fnOperationCallback(mqtt_client, MQTT_CLIENT_ON_UNSUBSCRIBE_ACK, (void*)&unsuback, mqtt_client->ctx);
AzureIoTClient 3:9b4e7158ca0d 747 }
AzureIoTClient 3:9b4e7158ca0d 748 break;
Azure.IoT Build 0:ef4901974abc 749 }
AzureIoTClient 3:9b4e7158ca0d 750 case PINGRESP_TYPE:
AzureIoTClient 8:83bb166aba73 751 mqtt_client->timeSincePing = 0;
AzureIoTClient 3:9b4e7158ca0d 752 // Ping responses do not get forwarded
AzureIoTClient 8:83bb166aba73 753 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 754 {
AzureIoTClient 8:83bb166aba73 755 STRING_HANDLE trace_log = STRING_construct_sprintf("PINGRESP");
AzureIoTClient 8:83bb166aba73 756 log_incoming_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 757 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 758 }
AzureIoTClient 3:9b4e7158ca0d 759 break;
AzureIoTClient 3:9b4e7158ca0d 760 default:
AzureIoTClient 3:9b4e7158ca0d 761 break;
Azure.IoT Build 0:ef4901974abc 762 }
Azure.IoT Build 0:ef4901974abc 763 }
Azure.IoT Build 0:ef4901974abc 764 }
Azure.IoT Build 0:ef4901974abc 765 }
Azure.IoT Build 0:ef4901974abc 766
AzureIoTClient 9:37d14c31ff6e 767 MQTT_CLIENT_HANDLE mqtt_client_init(ON_MQTT_MESSAGE_RECV_CALLBACK msgRecv, ON_MQTT_OPERATION_CALLBACK opCallback, void* opCallbackCtx, ON_MQTT_ERROR_CALLBACK onErrorCallBack, void* errorCBCtx)
Azure.IoT Build 0:ef4901974abc 768 {
Azure.IoT Build 0:ef4901974abc 769 MQTT_CLIENT* result;
Azure.IoT Build 0:ef4901974abc 770 /*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 771 if (msgRecv == NULL)
Azure.IoT Build 0:ef4901974abc 772 {
Azure.IoT Build 0:ef4901974abc 773 result = NULL;
Azure.IoT Build 0:ef4901974abc 774 }
Azure.IoT Build 0:ef4901974abc 775 else
Azure.IoT Build 0:ef4901974abc 776 {
Azure.IoT Build 0:ef4901974abc 777 result = malloc(sizeof(MQTT_CLIENT));
Azure.IoT Build 0:ef4901974abc 778 if (result == NULL)
Azure.IoT Build 0:ef4901974abc 779 {
Azure.IoT Build 0:ef4901974abc 780 /*Codes_SRS_MQTT_CLIENT_07_002: [If any failure is encountered then mqttclient_init shall return NULL.]*/
Azure.IoT Build 4:e7167dabd6e4 781 LOG(LOG_ERROR, LOG_LINE, "mqtt_client_init failure: Allocation Failure");
Azure.IoT Build 0:ef4901974abc 782 }
Azure.IoT Build 0:ef4901974abc 783 else
Azure.IoT Build 0:ef4901974abc 784 {
Azure.IoT Build 0:ef4901974abc 785 /*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 786 result->xioHandle = NULL;
Azure.IoT Build 0:ef4901974abc 787 result->packetState = UNKNOWN_TYPE;
Azure.IoT Build 0:ef4901974abc 788 result->packetSendTimeMs = 0;
Azure.IoT Build 0:ef4901974abc 789 result->fnOperationCallback = opCallback;
AzureIoTClient 9:37d14c31ff6e 790 result->ctx = opCallbackCtx;
Azure.IoT Build 0:ef4901974abc 791 result->fnMessageRecv = msgRecv;
AzureIoTClient 9:37d14c31ff6e 792 result->fnOnErrorCallBack = onErrorCallBack;
AzureIoTClient 9:37d14c31ff6e 793 result->errorCBCtx = errorCBCtx;
Azure.IoT Build 0:ef4901974abc 794 result->qosValue = DELIVER_AT_MOST_ONCE;
Azure.IoT Build 0:ef4901974abc 795 result->keepAliveInterval = 0;
Azure.IoT Build 0:ef4901974abc 796 result->packetTickCntr = tickcounter_create();
Azure.IoT Build 0:ef4901974abc 797 result->mqttOptions.clientId = NULL;
Azure.IoT Build 0:ef4901974abc 798 result->mqttOptions.willTopic = NULL;
Azure.IoT Build 0:ef4901974abc 799 result->mqttOptions.willMessage = NULL;
Azure.IoT Build 0:ef4901974abc 800 result->mqttOptions.username = NULL;
Azure.IoT Build 0:ef4901974abc 801 result->mqttOptions.password = NULL;
Azure.IoT Build 0:ef4901974abc 802 result->socketConnected = false;
Azure.IoT Build 0:ef4901974abc 803 result->clientConnected = false;
Azure.IoT Build 0:ef4901974abc 804 result->logTrace = false;
Azure.IoT Build 0:ef4901974abc 805 result->rawBytesTrace = false;
AzureIoTClient 3:9b4e7158ca0d 806 result->timeSincePing = 0;
AzureIoTClient 3:9b4e7158ca0d 807 result->maxPingRespTime = DEFAULT_MAX_PING_RESPONSE_TIME;
Azure.IoT Build 0:ef4901974abc 808 if (result->packetTickCntr == NULL)
Azure.IoT Build 0:ef4901974abc 809 {
Azure.IoT Build 0:ef4901974abc 810 /*Codes_SRS_MQTT_CLIENT_07_002: [If any failure is encountered then mqttclient_init shall return NULL.]*/
Azure.IoT Build 4:e7167dabd6e4 811 LOG(LOG_ERROR, LOG_LINE, "mqtt_client_init failure: tickcounter_create failure");
Azure.IoT Build 0:ef4901974abc 812 free(result);
Azure.IoT Build 0:ef4901974abc 813 result = NULL;
Azure.IoT Build 0:ef4901974abc 814 }
Azure.IoT Build 0:ef4901974abc 815 else
Azure.IoT Build 0:ef4901974abc 816 {
Azure.IoT Build 0:ef4901974abc 817 result->codec_handle = mqtt_codec_create(recvCompleteCallback, result);
Azure.IoT Build 0:ef4901974abc 818 if (result->codec_handle == NULL)
Azure.IoT Build 0:ef4901974abc 819 {
Azure.IoT Build 0:ef4901974abc 820 /*Codes_SRS_MQTT_CLIENT_07_002: [If any failure is encountered then mqttclient_init shall return NULL.]*/
Azure.IoT Build 4:e7167dabd6e4 821 LOG(LOG_ERROR, LOG_LINE, "mqtt_client_init failure: mqtt_codec_create failure");
Azure.IoT Build 0:ef4901974abc 822 tickcounter_destroy(result->packetTickCntr);
Azure.IoT Build 0:ef4901974abc 823 free(result);
Azure.IoT Build 0:ef4901974abc 824 result = NULL;
Azure.IoT Build 0:ef4901974abc 825 }
Azure.IoT Build 0:ef4901974abc 826 }
Azure.IoT Build 0:ef4901974abc 827 }
Azure.IoT Build 0:ef4901974abc 828 }
Azure.IoT Build 0:ef4901974abc 829 return result;
Azure.IoT Build 0:ef4901974abc 830 }
Azure.IoT Build 0:ef4901974abc 831
Azure.IoT Build 0:ef4901974abc 832 void mqtt_client_deinit(MQTT_CLIENT_HANDLE handle)
Azure.IoT Build 0:ef4901974abc 833 {
Azure.IoT Build 0:ef4901974abc 834 /*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 835 if (handle != NULL)
Azure.IoT Build 0:ef4901974abc 836 {
Azure.IoT Build 0:ef4901974abc 837 /*Codes_SRS_MQTT_CLIENT_07_005: [mqtt_client_deinit shall deallocate all memory allocated in this unit.]*/
AzureIoTClient 8:83bb166aba73 838 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
AzureIoTClient 8:83bb166aba73 839 tickcounter_destroy(mqtt_client->packetTickCntr);
AzureIoTClient 8:83bb166aba73 840 mqtt_codec_destroy(mqtt_client->codec_handle);
AzureIoTClient 8:83bb166aba73 841 free(mqtt_client->mqttOptions.clientId);
AzureIoTClient 8:83bb166aba73 842 free(mqtt_client->mqttOptions.willTopic);
AzureIoTClient 8:83bb166aba73 843 free(mqtt_client->mqttOptions.willMessage);
AzureIoTClient 8:83bb166aba73 844 free(mqtt_client->mqttOptions.username);
AzureIoTClient 8:83bb166aba73 845 free(mqtt_client->mqttOptions.password);
AzureIoTClient 8:83bb166aba73 846 free(mqtt_client);
Azure.IoT Build 0:ef4901974abc 847 }
Azure.IoT Build 0:ef4901974abc 848 }
Azure.IoT Build 0:ef4901974abc 849
Azure.IoT Build 0:ef4901974abc 850 int mqtt_client_connect(MQTT_CLIENT_HANDLE handle, XIO_HANDLE xioHandle, MQTT_CLIENT_OPTIONS* mqttOptions)
Azure.IoT Build 0:ef4901974abc 851 {
Azure.IoT Build 0:ef4901974abc 852 int result;
Azure.IoT Build 0:ef4901974abc 853 /*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 854 if (handle == NULL || mqttOptions == NULL)
Azure.IoT Build 0:ef4901974abc 855 {
AzureIoTClient 5:34779607059c 856 LOG(LOG_ERROR, LOG_LINE, "mqtt_client_connect: NULL argument (handle = %p, mqttOptions = %p)", handle, mqttOptions);
Azure.IoT Build 0:ef4901974abc 857 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 858 }
Azure.IoT Build 0:ef4901974abc 859 else
Azure.IoT Build 0:ef4901974abc 860 {
AzureIoTClient 8:83bb166aba73 861 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 862 if (xioHandle == NULL)
Azure.IoT Build 0:ef4901974abc 863 {
Azure.IoT Build 0:ef4901974abc 864 /*Codes_SRS_MQTT_CLIENT_07_007: [If any failure is encountered then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 865 LOG(LOG_ERROR, LOG_LINE, "Error: mqttcodec_connect failed");
Azure.IoT Build 0:ef4901974abc 866 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 867 }
Azure.IoT Build 0:ef4901974abc 868 else
Azure.IoT Build 0:ef4901974abc 869 {
AzureIoTClient 8:83bb166aba73 870 mqtt_client->xioHandle = xioHandle;
AzureIoTClient 8:83bb166aba73 871 mqtt_client->packetState = UNKNOWN_TYPE;
AzureIoTClient 8:83bb166aba73 872 mqtt_client->qosValue = mqttOptions->qualityOfServiceValue;
AzureIoTClient 8:83bb166aba73 873 mqtt_client->keepAliveInterval = mqttOptions->keepAliveInterval;
AzureIoTClient 8:83bb166aba73 874 mqtt_client->maxPingRespTime = (DEFAULT_MAX_PING_RESPONSE_TIME < mqttOptions->keepAliveInterval/2) ? DEFAULT_MAX_PING_RESPONSE_TIME : mqttOptions->keepAliveInterval/2;
AzureIoTClient 8:83bb166aba73 875 if (cloneMqttOptions(mqtt_client, mqttOptions) != 0)
Azure.IoT Build 0:ef4901974abc 876 {
Azure.IoT Build 4:e7167dabd6e4 877 LOG(LOG_ERROR, LOG_LINE, "Error: Clone Mqtt Options failed");
Azure.IoT Build 0:ef4901974abc 878 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 879 }
Azure.IoT Build 0:ef4901974abc 880 /*Codes_SRS_MQTT_CLIENT_07_008: [mqtt_client_connect shall open the XIO_HANDLE by calling into the xio_open interface.]*/
AzureIoTClient 8:83bb166aba73 881 else if (xio_open(xioHandle, onOpenComplete, mqtt_client, onBytesReceived, mqtt_client, onIoError, mqtt_client) != 0)
Azure.IoT Build 0:ef4901974abc 882 {
Azure.IoT Build 0:ef4901974abc 883 /*Codes_SRS_MQTT_CLIENT_07_007: [If any failure is encountered then mqtt_client_connect shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 884 LOG(LOG_ERROR, LOG_LINE, "Error: io_open failed");
Azure.IoT Build 0:ef4901974abc 885 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 886 }
Azure.IoT Build 0:ef4901974abc 887 else
Azure.IoT Build 0:ef4901974abc 888 {
Azure.IoT Build 0:ef4901974abc 889 result = 0;
Azure.IoT Build 0:ef4901974abc 890 }
Azure.IoT Build 0:ef4901974abc 891 }
Azure.IoT Build 0:ef4901974abc 892 }
Azure.IoT Build 0:ef4901974abc 893 return result;
Azure.IoT Build 0:ef4901974abc 894 }
Azure.IoT Build 0:ef4901974abc 895
Azure.IoT Build 0:ef4901974abc 896 int mqtt_client_publish(MQTT_CLIENT_HANDLE handle, MQTT_MESSAGE_HANDLE msgHandle)
Azure.IoT Build 0:ef4901974abc 897 {
Azure.IoT Build 0:ef4901974abc 898 int result;
AzureIoTClient 8:83bb166aba73 899 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
AzureIoTClient 8:83bb166aba73 900 if (mqtt_client == NULL || msgHandle == NULL)
Azure.IoT Build 0:ef4901974abc 901 {
Azure.IoT Build 0:ef4901974abc 902 /*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 903 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 904 }
Azure.IoT Build 0:ef4901974abc 905 else
Azure.IoT Build 0:ef4901974abc 906 {
Azure.IoT Build 0:ef4901974abc 907 /*Codes_SRS_MQTT_CLIENT_07_021: [mqtt_client_publish shall get the message information from the MQTT_MESSAGE_HANDLE.]*/
Azure.IoT Build 0:ef4901974abc 908 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
Azure.IoT Build 0:ef4901974abc 909 if (payload == NULL)
Azure.IoT Build 0:ef4901974abc 910 {
Azure.IoT Build 0:ef4901974abc 911 /*Codes_SRS_MQTT_CLIENT_07_020: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 912 LOG(LOG_ERROR, LOG_LINE, "Error: mqttmessage_getApplicationMsg failed");
Azure.IoT Build 0:ef4901974abc 913 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 914 }
Azure.IoT Build 0:ef4901974abc 915 else
Azure.IoT Build 0:ef4901974abc 916 {
AzureIoTClient 8:83bb166aba73 917 STRING_HANDLE trace_log = construct_trace_log_handle(mqtt_client);
AzureIoTClient 8:83bb166aba73 918
Azure.IoT Build 0:ef4901974abc 919 BUFFER_HANDLE publishPacket = mqtt_codec_publish(mqttmessage_getQosType(msgHandle), mqttmessage_getIsDuplicateMsg(msgHandle),
AzureIoTClient 8:83bb166aba73 920 mqttmessage_getIsRetained(msgHandle), mqttmessage_getPacketId(msgHandle), mqttmessage_getTopicName(msgHandle), payload->message, payload->length, trace_log);
Azure.IoT Build 0:ef4901974abc 921 if (publishPacket == NULL)
Azure.IoT Build 0:ef4901974abc 922 {
Azure.IoT Build 0:ef4901974abc 923 /*Codes_SRS_MQTT_CLIENT_07_020: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 924 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_codec_publish failed");
Azure.IoT Build 0:ef4901974abc 925 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 926 }
Azure.IoT Build 0:ef4901974abc 927 else
Azure.IoT Build 0:ef4901974abc 928 {
AzureIoTClient 8:83bb166aba73 929 mqtt_client->packetState = PUBLISH_TYPE;
Azure.IoT Build 0:ef4901974abc 930
Azure.IoT Build 0:ef4901974abc 931 /*Codes_SRS_MQTT_CLIENT_07_022: [On success mqtt_client_publish shall send the MQTT SUBCRIBE packet to the endpoint.]*/
AzureIoTClient 8:83bb166aba73 932 if (sendPacketItem(mqtt_client, BUFFER_u_char(publishPacket), BUFFER_length(publishPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 933 {
Azure.IoT Build 0:ef4901974abc 934 /*Codes_SRS_MQTT_CLIENT_07_020: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 935 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client_publish send failed");
Azure.IoT Build 0:ef4901974abc 936 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 937 }
Azure.IoT Build 0:ef4901974abc 938 else
Azure.IoT Build 0:ef4901974abc 939 {
AzureIoTClient 8:83bb166aba73 940 log_outgoing_trace(mqtt_client, trace_log);
Azure.IoT Build 0:ef4901974abc 941 result = 0;
Azure.IoT Build 0:ef4901974abc 942 }
Azure.IoT Build 0:ef4901974abc 943 BUFFER_delete(publishPacket);
Azure.IoT Build 0:ef4901974abc 944 }
AzureIoTClient 8:83bb166aba73 945 if (trace_log != NULL)
AzureIoTClient 8:83bb166aba73 946 {
AzureIoTClient 8:83bb166aba73 947 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 948 }
Azure.IoT Build 0:ef4901974abc 949 }
Azure.IoT Build 0:ef4901974abc 950 }
Azure.IoT Build 0:ef4901974abc 951 return result;
Azure.IoT Build 0:ef4901974abc 952 }
Azure.IoT Build 0:ef4901974abc 953
Azure.IoT Build 0:ef4901974abc 954 int mqtt_client_subscribe(MQTT_CLIENT_HANDLE handle, uint16_t packetId, SUBSCRIBE_PAYLOAD* subscribeList, size_t count)
Azure.IoT Build 0:ef4901974abc 955 {
Azure.IoT Build 0:ef4901974abc 956 int result;
AzureIoTClient 8:83bb166aba73 957 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
AzureIoTClient 8:83bb166aba73 958 if (mqtt_client == NULL || subscribeList == NULL || count == 0)
Azure.IoT Build 0:ef4901974abc 959 {
Azure.IoT Build 0:ef4901974abc 960 /*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 961 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 962 }
Azure.IoT Build 0:ef4901974abc 963 else
Azure.IoT Build 0:ef4901974abc 964 {
AzureIoTClient 8:83bb166aba73 965 STRING_HANDLE trace_log = construct_trace_log_handle(mqtt_client);
AzureIoTClient 8:83bb166aba73 966
AzureIoTClient 8:83bb166aba73 967 BUFFER_HANDLE subPacket = mqtt_codec_subscribe(packetId, subscribeList, count, trace_log);
Azure.IoT Build 0:ef4901974abc 968 if (subPacket == NULL)
Azure.IoT Build 0:ef4901974abc 969 {
Azure.IoT Build 0:ef4901974abc 970 /*Codes_SRS_MQTT_CLIENT_07_014: [If any failure is encountered then mqtt_client_subscribe shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 971 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_codec_subscribe failed");
Azure.IoT Build 0:ef4901974abc 972 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 973 }
Azure.IoT Build 0:ef4901974abc 974 else
Azure.IoT Build 0:ef4901974abc 975 {
AzureIoTClient 8:83bb166aba73 976 mqtt_client->packetState = SUBSCRIBE_TYPE;
Azure.IoT Build 0:ef4901974abc 977
Azure.IoT Build 0:ef4901974abc 978 /*Codes_SRS_MQTT_CLIENT_07_015: [On success mqtt_client_subscribe shall send the MQTT SUBCRIBE packet to the endpoint.]*/
AzureIoTClient 8:83bb166aba73 979 if (sendPacketItem(mqtt_client, BUFFER_u_char(subPacket), BUFFER_length(subPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 980 {
Azure.IoT Build 0:ef4901974abc 981 /*Codes_SRS_MQTT_CLIENT_07_014: [If any failure is encountered then mqtt_client_subscribe shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 982 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client_subscribe send failed");
Azure.IoT Build 0:ef4901974abc 983 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 984 }
Azure.IoT Build 0:ef4901974abc 985 else
Azure.IoT Build 0:ef4901974abc 986 {
AzureIoTClient 8:83bb166aba73 987 log_outgoing_trace(mqtt_client, trace_log);
Azure.IoT Build 0:ef4901974abc 988 result = 0;
Azure.IoT Build 0:ef4901974abc 989 }
Azure.IoT Build 0:ef4901974abc 990 BUFFER_delete(subPacket);
Azure.IoT Build 0:ef4901974abc 991 }
AzureIoTClient 8:83bb166aba73 992 if (trace_log != NULL)
AzureIoTClient 8:83bb166aba73 993 {
AzureIoTClient 8:83bb166aba73 994 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 995 }
Azure.IoT Build 0:ef4901974abc 996 }
Azure.IoT Build 0:ef4901974abc 997 return result;
Azure.IoT Build 0:ef4901974abc 998 }
Azure.IoT Build 0:ef4901974abc 999
Azure.IoT Build 0:ef4901974abc 1000 int mqtt_client_unsubscribe(MQTT_CLIENT_HANDLE handle, uint16_t packetId, const char** unsubscribeList, size_t count)
Azure.IoT Build 0:ef4901974abc 1001 {
Azure.IoT Build 0:ef4901974abc 1002 int result;
AzureIoTClient 8:83bb166aba73 1003 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
AzureIoTClient 8:83bb166aba73 1004 if (mqtt_client == NULL || unsubscribeList == NULL || count == 0)
Azure.IoT Build 0:ef4901974abc 1005 {
Azure.IoT Build 0:ef4901974abc 1006 /*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 1007 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 1008 }
Azure.IoT Build 0:ef4901974abc 1009 else
Azure.IoT Build 0:ef4901974abc 1010 {
AzureIoTClient 8:83bb166aba73 1011 STRING_HANDLE trace_log = construct_trace_log_handle(mqtt_client);
AzureIoTClient 8:83bb166aba73 1012
AzureIoTClient 8:83bb166aba73 1013 BUFFER_HANDLE unsubPacket = mqtt_codec_unsubscribe(packetId, unsubscribeList, count, trace_log);
Azure.IoT Build 0:ef4901974abc 1014 if (unsubPacket == NULL)
Azure.IoT Build 0:ef4901974abc 1015 {
Azure.IoT Build 0:ef4901974abc 1016 /*Codes_SRS_MQTT_CLIENT_07_017: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 1017 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_codec_unsubscribe failed");
Azure.IoT Build 0:ef4901974abc 1018 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 1019 }
Azure.IoT Build 0:ef4901974abc 1020 else
Azure.IoT Build 0:ef4901974abc 1021 {
AzureIoTClient 8:83bb166aba73 1022 mqtt_client->packetState = UNSUBSCRIBE_TYPE;
Azure.IoT Build 0:ef4901974abc 1023
Azure.IoT Build 0:ef4901974abc 1024 /*Codes_SRS_MQTT_CLIENT_07_018: [On success mqtt_client_unsubscribe shall send the MQTT SUBCRIBE packet to the endpoint.]*/
AzureIoTClient 8:83bb166aba73 1025 if (sendPacketItem(mqtt_client, BUFFER_u_char(unsubPacket), BUFFER_length(unsubPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 1026 {
Azure.IoT Build 0:ef4901974abc 1027 /*Codes_SRS_MQTT_CLIENT_07_017: [If any failure is encountered then mqtt_client_unsubscribe shall return a non-zero value.].]*/
Azure.IoT Build 4:e7167dabd6e4 1028 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client_unsubscribe send failed");
Azure.IoT Build 0:ef4901974abc 1029 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 1030 }
Azure.IoT Build 0:ef4901974abc 1031 else
Azure.IoT Build 0:ef4901974abc 1032 {
AzureIoTClient 8:83bb166aba73 1033 log_outgoing_trace(mqtt_client, trace_log);
Azure.IoT Build 0:ef4901974abc 1034 result = 0;
Azure.IoT Build 0:ef4901974abc 1035 }
Azure.IoT Build 0:ef4901974abc 1036 BUFFER_delete(unsubPacket);
Azure.IoT Build 0:ef4901974abc 1037 }
AzureIoTClient 8:83bb166aba73 1038 if (trace_log != NULL)
AzureIoTClient 8:83bb166aba73 1039 {
AzureIoTClient 8:83bb166aba73 1040 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 1041 }
Azure.IoT Build 0:ef4901974abc 1042 }
Azure.IoT Build 0:ef4901974abc 1043 return result;
Azure.IoT Build 0:ef4901974abc 1044 }
Azure.IoT Build 0:ef4901974abc 1045
Azure.IoT Build 0:ef4901974abc 1046 int mqtt_client_disconnect(MQTT_CLIENT_HANDLE handle)
Azure.IoT Build 0:ef4901974abc 1047 {
Azure.IoT Build 0:ef4901974abc 1048 int result;
AzureIoTClient 8:83bb166aba73 1049 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
AzureIoTClient 8:83bb166aba73 1050 if (mqtt_client == NULL)
Azure.IoT Build 0:ef4901974abc 1051 {
Azure.IoT Build 0:ef4901974abc 1052 /*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 1053 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 1054 }
Azure.IoT Build 0:ef4901974abc 1055 else
Azure.IoT Build 0:ef4901974abc 1056 {
Azure.IoT Build 0:ef4901974abc 1057 BUFFER_HANDLE disconnectPacket = mqtt_codec_disconnect();
Azure.IoT Build 0:ef4901974abc 1058 if (disconnectPacket == NULL)
Azure.IoT Build 0:ef4901974abc 1059 {
Azure.IoT Build 0:ef4901974abc 1060 /*Codes_SRS_MQTT_CLIENT_07_011: [If any failure is encountered then mqtt_client_disconnect shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 1061 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client_disconnect failed");
AzureIoTClient 8:83bb166aba73 1062 mqtt_client->packetState = PACKET_TYPE_ERROR;
Azure.IoT Build 0:ef4901974abc 1063 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 1064 }
Azure.IoT Build 0:ef4901974abc 1065 else
Azure.IoT Build 0:ef4901974abc 1066 {
AzureIoTClient 8:83bb166aba73 1067 mqtt_client->packetState = DISCONNECT_TYPE;
Azure.IoT Build 0:ef4901974abc 1068
Azure.IoT Build 0:ef4901974abc 1069 /*Codes_SRS_MQTT_CLIENT_07_012: [On success mqtt_client_disconnect shall send the MQTT DISCONNECT packet to the endpoint.]*/
AzureIoTClient 8:83bb166aba73 1070 if (sendPacketItem(mqtt_client, BUFFER_u_char(disconnectPacket), BUFFER_length(disconnectPacket)) != 0)
Azure.IoT Build 0:ef4901974abc 1071 {
Azure.IoT Build 0:ef4901974abc 1072 /*Codes_SRS_MQTT_CLIENT_07_011: [If any failure is encountered then mqtt_client_disconnect shall return a non-zero value.]*/
Azure.IoT Build 4:e7167dabd6e4 1073 LOG(LOG_ERROR, LOG_LINE, "Error: mqtt_client_disconnect send failed");
Azure.IoT Build 0:ef4901974abc 1074 result = __LINE__;
Azure.IoT Build 0:ef4901974abc 1075 }
Azure.IoT Build 0:ef4901974abc 1076 else
Azure.IoT Build 0:ef4901974abc 1077 {
AzureIoTClient 8:83bb166aba73 1078 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 1079 {
AzureIoTClient 8:83bb166aba73 1080 STRING_HANDLE trace_log = STRING_construct("DISCONNECT");
AzureIoTClient 8:83bb166aba73 1081 log_outgoing_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 1082 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 1083 }
Azure.IoT Build 0:ef4901974abc 1084 result = 0;
Azure.IoT Build 0:ef4901974abc 1085 }
Azure.IoT Build 0:ef4901974abc 1086 BUFFER_delete(disconnectPacket);
Azure.IoT Build 0:ef4901974abc 1087 }
Azure.IoT Build 0:ef4901974abc 1088 }
Azure.IoT Build 0:ef4901974abc 1089 return result;
Azure.IoT Build 0:ef4901974abc 1090 }
Azure.IoT Build 0:ef4901974abc 1091
Azure.IoT Build 0:ef4901974abc 1092 void mqtt_client_dowork(MQTT_CLIENT_HANDLE handle)
Azure.IoT Build 0:ef4901974abc 1093 {
AzureIoTClient 8:83bb166aba73 1094 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
Azure.IoT Build 0:ef4901974abc 1095 /*Codes_SRS_MQTT_CLIENT_07_023: [If the parameter handle is NULL then mqtt_client_dowork shall do nothing.]*/
AzureIoTClient 8:83bb166aba73 1096 if (mqtt_client != NULL)
Azure.IoT Build 0:ef4901974abc 1097 {
Azure.IoT Build 0:ef4901974abc 1098 /*Codes_SRS_MQTT_CLIENT_07_024: [mqtt_client_dowork shall call the xio_dowork function to complete operations.]*/
AzureIoTClient 8:83bb166aba73 1099 xio_dowork(mqtt_client->xioHandle);
Azure.IoT Build 0:ef4901974abc 1100
Azure.IoT Build 0:ef4901974abc 1101 /*Codes_SRS_MQTT_CLIENT_07_025: [mqtt_client_dowork shall retrieve the the last packet send value and ...]*/
AzureIoTClient 8:83bb166aba73 1102 if (mqtt_client->socketConnected && mqtt_client->clientConnected && mqtt_client->keepAliveInterval > 0)
Azure.IoT Build 0:ef4901974abc 1103 {
Azure.IoT.Build 10:2ab268507775 1104 tickcounter_ms_t current_ms;
AzureIoTClient 8:83bb166aba73 1105 if (tickcounter_get_current_ms(mqtt_client->packetTickCntr, &current_ms) != 0)
Azure.IoT Build 0:ef4901974abc 1106 {
Azure.IoT Build 4:e7167dabd6e4 1107 LOG(LOG_ERROR, LOG_LINE, "Error: tickcounter_get_current_ms failed");
Azure.IoT Build 0:ef4901974abc 1108 }
Azure.IoT Build 0:ef4901974abc 1109 else
Azure.IoT Build 0:ef4901974abc 1110 {
AzureIoTClient 9:37d14c31ff6e 1111 /* Codes_SRS_MQTT_CLIENT_07_035: [If the timeSincePing has expired past the maxPingRespTime then mqtt_client_dowork shall call the Error Callback function with the message MQTT_CLIENT_NO_PING_RESPONSE] */
AzureIoTClient 8:83bb166aba73 1112 if (mqtt_client->timeSincePing > 0 && ((current_ms - mqtt_client->timeSincePing)/1000) > mqtt_client->maxPingRespTime)
AzureIoTClient 3:9b4e7158ca0d 1113 {
AzureIoTClient 3:9b4e7158ca0d 1114 // We haven't gotten a ping response in the alloted time
AzureIoTClient 9:37d14c31ff6e 1115 set_error_callback(mqtt_client, MQTT_CLIENT_NO_PING_RESPONSE);
AzureIoTClient 8:83bb166aba73 1116 mqtt_client->timeSincePing = 0;
AzureIoTClient 8:83bb166aba73 1117 mqtt_client->packetSendTimeMs = 0;
AzureIoTClient 8:83bb166aba73 1118 mqtt_client->packetState = UNKNOWN_TYPE;
AzureIoTClient 3:9b4e7158ca0d 1119 }
AzureIoTClient 8:83bb166aba73 1120 else if ((((current_ms - mqtt_client->packetSendTimeMs) / 1000) + KEEP_ALIVE_BUFFER_SEC) > mqtt_client->keepAliveInterval)
Azure.IoT Build 0:ef4901974abc 1121 {
Azure.IoT Build 0:ef4901974abc 1122 /*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 1123 BUFFER_HANDLE pingPacket = mqtt_codec_ping();
Azure.IoT Build 0:ef4901974abc 1124 if (pingPacket != NULL)
Azure.IoT Build 0:ef4901974abc 1125 {
AzureIoTClient 8:83bb166aba73 1126 (void)sendPacketItem(mqtt_client, BUFFER_u_char(pingPacket), BUFFER_length(pingPacket));
Azure.IoT Build 0:ef4901974abc 1127 BUFFER_delete(pingPacket);
AzureIoTClient 8:83bb166aba73 1128 (void)tickcounter_get_current_ms(mqtt_client->packetTickCntr, &mqtt_client->timeSincePing);
AzureIoTClient 8:83bb166aba73 1129
AzureIoTClient 8:83bb166aba73 1130 if (mqtt_client->logTrace)
AzureIoTClient 8:83bb166aba73 1131 {
AzureIoTClient 8:83bb166aba73 1132 STRING_HANDLE trace_log = STRING_construct("PINGREQ");
AzureIoTClient 8:83bb166aba73 1133 log_outgoing_trace(mqtt_client, trace_log);
AzureIoTClient 8:83bb166aba73 1134 STRING_delete(trace_log);
AzureIoTClient 8:83bb166aba73 1135 }
Azure.IoT Build 0:ef4901974abc 1136 }
Azure.IoT Build 0:ef4901974abc 1137 }
Azure.IoT Build 0:ef4901974abc 1138 }
Azure.IoT Build 0:ef4901974abc 1139 }
Azure.IoT Build 0:ef4901974abc 1140 }
Azure.IoT Build 0:ef4901974abc 1141 }
Azure.IoT Build 0:ef4901974abc 1142
Azure.IoT Build 0:ef4901974abc 1143 void mqtt_client_set_trace(MQTT_CLIENT_HANDLE handle, bool traceOn, bool rawBytesOn)
Azure.IoT Build 0:ef4901974abc 1144 {
AzureIoTClient 8:83bb166aba73 1145 MQTT_CLIENT* mqtt_client = (MQTT_CLIENT*)handle;
AzureIoTClient 8:83bb166aba73 1146 if (mqtt_client != NULL)
Azure.IoT Build 0:ef4901974abc 1147 {
AzureIoTClient 8:83bb166aba73 1148 mqtt_client->logTrace = traceOn;
AzureIoTClient 8:83bb166aba73 1149 mqtt_client->rawBytesTrace = rawBytesOn;
Azure.IoT Build 0:ef4901974abc 1150 }
Azure.IoT Build 0:ef4901974abc 1151 }