Microsoft Azure IoTHub client MQTT transport
Dependents: STM32F746_iothub_client_sample_mqtt FXOS8700CQ_To_Azure_IoT f767zi_mqtt FXOS8700CQ_To_Azure_IoT ... more
iothubtransportmqtt.c@0:5e72a75c31b8, 2016-03-25 (annotated)
- Committer:
- Azure.IoT Build
- Date:
- Fri Mar 25 16:00:10 2016 -0700
- Revision:
- 0:5e72a75c31b8
- Child:
- 1:f2e563755d91
Release 1.0.3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Azure.IoT Build | 0:5e72a75c31b8 | 1 | // Copyright (c) Microsoft. All rights reserved. |
Azure.IoT Build | 0:5e72a75c31b8 | 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information. |
Azure.IoT Build | 0:5e72a75c31b8 | 3 | |
Azure.IoT Build | 0:5e72a75c31b8 | 4 | #include <stdlib.h> |
Azure.IoT Build | 0:5e72a75c31b8 | 5 | #ifdef _CRTDBG_MAP_ALLOC |
Azure.IoT Build | 0:5e72a75c31b8 | 6 | #include <crtdbg.h> |
Azure.IoT Build | 0:5e72a75c31b8 | 7 | #endif |
Azure.IoT Build | 0:5e72a75c31b8 | 8 | #include "gballoc.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 9 | |
Azure.IoT Build | 0:5e72a75c31b8 | 10 | #include "iot_logging.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 11 | #include "strings.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 12 | #include "doublylinkedlist.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 13 | #include "crt_abstractions.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 14 | |
Azure.IoT Build | 0:5e72a75c31b8 | 15 | #include "iothub_client_ll.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 16 | #include "iothub_client_private.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 17 | #include "iothubtransportmqtt.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 18 | #include "mqtt_client.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 19 | #include "sastoken.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 20 | #include "tickcounter.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 21 | |
Azure.IoT Build | 0:5e72a75c31b8 | 22 | #include "tlsio.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 23 | #include "platform.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 24 | |
Azure.IoT Build | 0:5e72a75c31b8 | 25 | #include "iothub_client_version.h" |
Azure.IoT Build | 0:5e72a75c31b8 | 26 | |
Azure.IoT Build | 0:5e72a75c31b8 | 27 | #include <stdarg.h> |
Azure.IoT Build | 0:5e72a75c31b8 | 28 | #include <stdio.h> |
Azure.IoT Build | 0:5e72a75c31b8 | 29 | |
Azure.IoT Build | 0:5e72a75c31b8 | 30 | #define SAS_TOKEN_DEFAULT_LIFETIME 3600 |
Azure.IoT Build | 0:5e72a75c31b8 | 31 | #define EPOCH_TIME_T_VALUE 0 |
Azure.IoT Build | 0:5e72a75c31b8 | 32 | #define DEFAULT_MQTT_KEEPALIVE 5*60 // 5 min |
Azure.IoT Build | 0:5e72a75c31b8 | 33 | #define DEFAULT_PORT_NUMBER 8883 |
Azure.IoT Build | 0:5e72a75c31b8 | 34 | #define DEFAULT_TEMP_STRING_LEN 256 |
Azure.IoT Build | 0:5e72a75c31b8 | 35 | #define BUILD_CONFIG_USERNAME 24 |
Azure.IoT Build | 0:5e72a75c31b8 | 36 | #define EVENT_TOPIC_DEFAULT_LEN 27 |
Azure.IoT Build | 0:5e72a75c31b8 | 37 | #define SAS_TOKEN_DEFAULT_LEN 10 |
Azure.IoT Build | 0:5e72a75c31b8 | 38 | #define RESEND_TIMEOUT_VALUE_MIN 1*60 |
Azure.IoT Build | 0:5e72a75c31b8 | 39 | #define MAX_SEND_RECOUNT_LIMIT 2 |
Azure.IoT Build | 0:5e72a75c31b8 | 40 | |
Azure.IoT Build | 0:5e72a75c31b8 | 41 | TICK_COUNTER_HANDLE g_msgTickCounter; |
Azure.IoT Build | 0:5e72a75c31b8 | 42 | |
Azure.IoT Build | 0:5e72a75c31b8 | 43 | typedef struct MQTTTRANSPORT_HANDLE_DATA_TAG |
Azure.IoT Build | 0:5e72a75c31b8 | 44 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 45 | STRING_HANDLE device_id; |
Azure.IoT Build | 0:5e72a75c31b8 | 46 | STRING_HANDLE device_key; |
Azure.IoT Build | 0:5e72a75c31b8 | 47 | STRING_HANDLE sasTokenSr; |
Azure.IoT Build | 0:5e72a75c31b8 | 48 | STRING_HANDLE mqttEventTopic; |
Azure.IoT Build | 0:5e72a75c31b8 | 49 | STRING_HANDLE mqttMessageTopic; |
Azure.IoT Build | 0:5e72a75c31b8 | 50 | STRING_HANDLE hostAddress; |
Azure.IoT Build | 0:5e72a75c31b8 | 51 | // The current mqtt iothub implementation requires that the hub name and the domain suffix be passed as the first of a series of segments |
Azure.IoT Build | 0:5e72a75c31b8 | 52 | // passed through the username portion of the connection frame. |
Azure.IoT Build | 0:5e72a75c31b8 | 53 | // The second segment will contain the device id. The two segments are delemited by a "/". |
Azure.IoT Build | 0:5e72a75c31b8 | 54 | // The first segment can be a maximum 256 characters. |
Azure.IoT Build | 0:5e72a75c31b8 | 55 | // The second segment can be a maximum 128 characters. |
Azure.IoT Build | 0:5e72a75c31b8 | 56 | // With the / delimeter you have 384 chars (Plus a terminator of 0). |
Azure.IoT Build | 0:5e72a75c31b8 | 57 | STRING_HANDLE configPassedThroughUsername; |
Azure.IoT Build | 0:5e72a75c31b8 | 58 | int portNum; |
Azure.IoT Build | 0:5e72a75c31b8 | 59 | MQTT_CLIENT_HANDLE mqttClient; |
Azure.IoT Build | 0:5e72a75c31b8 | 60 | uint16_t packetId; |
Azure.IoT Build | 0:5e72a75c31b8 | 61 | bool isRegistered; |
Azure.IoT Build | 0:5e72a75c31b8 | 62 | bool connected; |
Azure.IoT Build | 0:5e72a75c31b8 | 63 | bool subscribed; |
Azure.IoT Build | 0:5e72a75c31b8 | 64 | bool receiveMessages; |
Azure.IoT Build | 0:5e72a75c31b8 | 65 | bool destroyCalled; |
Azure.IoT Build | 0:5e72a75c31b8 | 66 | DLIST_ENTRY waitingForAck; |
Azure.IoT Build | 0:5e72a75c31b8 | 67 | PDLIST_ENTRY waitingToSend; |
Azure.IoT Build | 0:5e72a75c31b8 | 68 | IOTHUB_CLIENT_LL_HANDLE llClientHandle; |
Azure.IoT Build | 0:5e72a75c31b8 | 69 | CONTROL_PACKET_TYPE currPacketState; |
Azure.IoT Build | 0:5e72a75c31b8 | 70 | XIO_HANDLE xioTransport; |
Azure.IoT Build | 0:5e72a75c31b8 | 71 | int keepAliveValue; |
Azure.IoT Build | 0:5e72a75c31b8 | 72 | } MQTTTRANSPORT_HANDLE_DATA, *PMQTTTRANSPORT_HANDLE_DATA; |
Azure.IoT Build | 0:5e72a75c31b8 | 73 | |
Azure.IoT Build | 0:5e72a75c31b8 | 74 | typedef struct MQTT_MESSAGE_DETAILS_LIST_TAG |
Azure.IoT Build | 0:5e72a75c31b8 | 75 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 76 | uint64_t msgPublishTime; |
Azure.IoT Build | 0:5e72a75c31b8 | 77 | size_t retryCount; |
Azure.IoT Build | 0:5e72a75c31b8 | 78 | IOTHUB_MESSAGE_LIST* iotHubMessageEntry; |
Azure.IoT Build | 0:5e72a75c31b8 | 79 | void* context; |
Azure.IoT Build | 0:5e72a75c31b8 | 80 | uint16_t msgPacketId; |
Azure.IoT Build | 0:5e72a75c31b8 | 81 | DLIST_ENTRY entry; |
Azure.IoT Build | 0:5e72a75c31b8 | 82 | } MQTT_MESSAGE_DETAILS_LIST, *PMQTT_MESSAGE_DETAILS_LIST; |
Azure.IoT Build | 0:5e72a75c31b8 | 83 | |
Azure.IoT Build | 0:5e72a75c31b8 | 84 | static void defaultPrintLogFunction(unsigned int options, char* format, ...) |
Azure.IoT Build | 0:5e72a75c31b8 | 85 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 86 | va_list args; |
Azure.IoT Build | 0:5e72a75c31b8 | 87 | va_start(args, format); |
Azure.IoT Build | 0:5e72a75c31b8 | 88 | (void)vprintf(format, args); |
Azure.IoT Build | 0:5e72a75c31b8 | 89 | va_end(args); |
Azure.IoT Build | 0:5e72a75c31b8 | 90 | |
Azure.IoT Build | 0:5e72a75c31b8 | 91 | if (options & LOG_LINE) |
Azure.IoT Build | 0:5e72a75c31b8 | 92 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 93 | (void)printf("\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 94 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 95 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 96 | |
Azure.IoT Build | 0:5e72a75c31b8 | 97 | static void sendMsgComplete(IOTHUB_MESSAGE_LIST* iothubMsgList, PMQTTTRANSPORT_HANDLE_DATA transportState, IOTHUB_BATCHSTATE_RESULT batchResult) |
Azure.IoT Build | 0:5e72a75c31b8 | 98 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 99 | DLIST_ENTRY messageCompleted; |
Azure.IoT Build | 0:5e72a75c31b8 | 100 | DList_InitializeListHead(&messageCompleted); |
Azure.IoT Build | 0:5e72a75c31b8 | 101 | DList_InsertTailList(&messageCompleted, &(iothubMsgList->entry)); |
Azure.IoT Build | 0:5e72a75c31b8 | 102 | IoTHubClient_LL_SendComplete(transportState->llClientHandle, &messageCompleted, batchResult); |
Azure.IoT Build | 0:5e72a75c31b8 | 103 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 104 | |
Azure.IoT Build | 0:5e72a75c31b8 | 105 | static int publishMqttMessage(PMQTTTRANSPORT_HANDLE_DATA transportState, MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry, const unsigned char* payload, size_t len) |
Azure.IoT Build | 0:5e72a75c31b8 | 106 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 107 | int result; |
Azure.IoT Build | 0:5e72a75c31b8 | 108 | MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(transportState->packetId++, STRING_c_str(transportState->mqttEventTopic), DELIVER_AT_LEAST_ONCE, payload, len); |
Azure.IoT Build | 0:5e72a75c31b8 | 109 | if (mqttMsg == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 110 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 111 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 112 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 113 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 114 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 115 | if (mqtt_client_publish(transportState->mqttClient, mqttMsg) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 116 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 117 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 118 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 119 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 120 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 121 | mqttMsgEntry->retryCount++; |
Azure.IoT Build | 0:5e72a75c31b8 | 122 | (void)tickcounter_get_current_ms(g_msgTickCounter, &mqttMsgEntry->msgPublishTime); |
Azure.IoT Build | 0:5e72a75c31b8 | 123 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 124 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 125 | mqttmessage_destroy(mqttMsg); |
Azure.IoT Build | 0:5e72a75c31b8 | 126 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 127 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 128 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 129 | |
Azure.IoT Build | 0:5e72a75c31b8 | 130 | static void MqttRecvCallback(MQTT_MESSAGE_HANDLE msgHandle, void* callbackCtx) |
Azure.IoT Build | 0:5e72a75c31b8 | 131 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 132 | if (msgHandle != NULL && callbackCtx != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 133 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 134 | const APP_PAYLOAD* appPayload = mqttmessage_getApplicationMsg(msgHandle); |
Azure.IoT Build | 0:5e72a75c31b8 | 135 | IOTHUB_MESSAGE_HANDLE IoTHubMessage = IoTHubMessage_CreateFromByteArray(appPayload->message, appPayload->length); |
Azure.IoT Build | 0:5e72a75c31b8 | 136 | if (IoTHubMessage == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 137 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 138 | LogError("IotHub Message creation has failed.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 139 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 140 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 141 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 142 | PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx; |
Azure.IoT Build | 0:5e72a75c31b8 | 143 | if (IoTHubClient_LL_MessageCallback(transportData->llClientHandle, IoTHubMessage) != IOTHUBMESSAGE_ACCEPTED) |
Azure.IoT Build | 0:5e72a75c31b8 | 144 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 145 | LogError("Event not accepted by our client.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 146 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 147 | IoTHubMessage_Destroy(IoTHubMessage); |
Azure.IoT Build | 0:5e72a75c31b8 | 148 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 149 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 150 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 151 | |
Azure.IoT Build | 0:5e72a75c31b8 | 152 | static void MqttOpCompleteCallback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx) |
Azure.IoT Build | 0:5e72a75c31b8 | 153 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 154 | (void)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 155 | if (callbackCtx != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 156 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 157 | PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx; |
Azure.IoT Build | 0:5e72a75c31b8 | 158 | |
Azure.IoT Build | 0:5e72a75c31b8 | 159 | switch (actionResult) |
Azure.IoT Build | 0:5e72a75c31b8 | 160 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 161 | case MQTT_CLIENT_ON_PUBLISH_ACK: |
Azure.IoT Build | 0:5e72a75c31b8 | 162 | case MQTT_CLIENT_ON_PUBLISH_COMP: |
Azure.IoT Build | 0:5e72a75c31b8 | 163 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 164 | const PUBLISH_ACK* puback = (const PUBLISH_ACK*)msgInfo; |
Azure.IoT Build | 0:5e72a75c31b8 | 165 | if (puback != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 166 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 167 | PDLIST_ENTRY currentListEntry = transportData->waitingForAck.Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 168 | while (currentListEntry != &transportData->waitingForAck) |
Azure.IoT Build | 0:5e72a75c31b8 | 169 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 170 | MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry); |
Azure.IoT Build | 0:5e72a75c31b8 | 171 | DLIST_ENTRY saveListEntry; |
Azure.IoT Build | 0:5e72a75c31b8 | 172 | saveListEntry.Flink = currentListEntry->Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 173 | |
Azure.IoT Build | 0:5e72a75c31b8 | 174 | if (puback->packetId == mqttMsgEntry->msgPacketId) |
Azure.IoT Build | 0:5e72a75c31b8 | 175 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 176 | (void)DList_RemoveEntryList(currentListEntry); //First remove the item from Waiting for Ack List. |
Azure.IoT Build | 0:5e72a75c31b8 | 177 | sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transportData, IOTHUB_BATCHSTATE_SUCCESS); |
Azure.IoT Build | 0:5e72a75c31b8 | 178 | free(mqttMsgEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 179 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 180 | currentListEntry = saveListEntry.Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 181 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 182 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 183 | break; |
Azure.IoT Build | 0:5e72a75c31b8 | 184 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 185 | case MQTT_CLIENT_ON_CONNACK: |
Azure.IoT Build | 0:5e72a75c31b8 | 186 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 187 | const CONNECT_ACK* connack = (const CONNECT_ACK*)msgInfo; |
Azure.IoT Build | 0:5e72a75c31b8 | 188 | if (connack != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 189 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 190 | if (connack->returnCode == CONNECTION_ACCEPTED) |
Azure.IoT Build | 0:5e72a75c31b8 | 191 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 192 | // The connect packet has been acked |
Azure.IoT Build | 0:5e72a75c31b8 | 193 | transportData->currPacketState = CONNACK_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 194 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 195 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 196 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 197 | LogError("Connection not accepted, return code: %d.\r\n", connack->returnCode); |
Azure.IoT Build | 0:5e72a75c31b8 | 198 | (void)mqtt_client_disconnect(transportData->mqttClient); |
Azure.IoT Build | 0:5e72a75c31b8 | 199 | transportData->connected = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 200 | transportData->currPacketState = PACKET_TYPE_ERROR; |
Azure.IoT Build | 0:5e72a75c31b8 | 201 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 202 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 203 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 204 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 205 | LogError("MQTT_CLIENT_ON_CONNACK CONNACK parameter is NULL.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 206 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 207 | break; |
Azure.IoT Build | 0:5e72a75c31b8 | 208 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 209 | case MQTT_CLIENT_ON_SUBSCRIBE_ACK: |
Azure.IoT Build | 0:5e72a75c31b8 | 210 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 211 | const SUBSCRIBE_ACK* suback = (const SUBSCRIBE_ACK*)msgInfo; |
Azure.IoT Build | 0:5e72a75c31b8 | 212 | if (suback != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 213 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 214 | if (suback->qosCount == 1) |
Azure.IoT Build | 0:5e72a75c31b8 | 215 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 216 | // The connect packet has been acked |
Azure.IoT Build | 0:5e72a75c31b8 | 217 | transportData->currPacketState = SUBACK_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 218 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 219 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 220 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 221 | LogError("QOS count was not expected: %d.\r\n", (int)suback->qosCount); |
Azure.IoT Build | 0:5e72a75c31b8 | 222 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 223 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 224 | break; |
Azure.IoT Build | 0:5e72a75c31b8 | 225 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 226 | case MQTT_CLIENT_ON_PUBLISH_RECV: |
Azure.IoT Build | 0:5e72a75c31b8 | 227 | case MQTT_CLIENT_ON_PUBLISH_REL: |
Azure.IoT Build | 0:5e72a75c31b8 | 228 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 229 | // Currently not used |
Azure.IoT Build | 0:5e72a75c31b8 | 230 | break; |
Azure.IoT Build | 0:5e72a75c31b8 | 231 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 232 | case MQTT_CLIENT_ON_DISCONNECT: |
Azure.IoT Build | 0:5e72a75c31b8 | 233 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 234 | // Close the client so we can reconnect again |
Azure.IoT Build | 0:5e72a75c31b8 | 235 | transportData->connected = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 236 | transportData->currPacketState = DISCONNECT_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 237 | break; |
Azure.IoT Build | 0:5e72a75c31b8 | 238 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 239 | case MQTT_CLIENT_ON_ERROR: |
Azure.IoT Build | 0:5e72a75c31b8 | 240 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 241 | xio_close(transportData->xioTransport, NULL, NULL); |
Azure.IoT Build | 0:5e72a75c31b8 | 242 | transportData->connected = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 243 | transportData->subscribed = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 244 | transportData->currPacketState = PACKET_TYPE_ERROR; |
Azure.IoT Build | 0:5e72a75c31b8 | 245 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 246 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 247 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 248 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 249 | |
Azure.IoT Build | 0:5e72a75c31b8 | 250 | const XIO_HANDLE getIoTransportProvider(const char* fqdn, int port) |
Azure.IoT Build | 0:5e72a75c31b8 | 251 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 252 | TLSIO_CONFIG tls_io_config = { fqdn, port }; |
Azure.IoT Build | 0:5e72a75c31b8 | 253 | const IO_INTERFACE_DESCRIPTION* io_interface_description = platform_get_default_tlsio(); |
Azure.IoT Build | 0:5e72a75c31b8 | 254 | return (void*)xio_create(io_interface_description, &tls_io_config, NULL/*defaultPrintLogFunction*/); |
Azure.IoT Build | 0:5e72a75c31b8 | 255 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 256 | |
Azure.IoT Build | 0:5e72a75c31b8 | 257 | static int SubscribeToMqttProtocol(PMQTTTRANSPORT_HANDLE_DATA transportState) |
Azure.IoT Build | 0:5e72a75c31b8 | 258 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 259 | int result; |
Azure.IoT Build | 0:5e72a75c31b8 | 260 | |
Azure.IoT Build | 0:5e72a75c31b8 | 261 | if (transportState->receiveMessages && !transportState->subscribed) |
Azure.IoT Build | 0:5e72a75c31b8 | 262 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 263 | SUBSCRIBE_PAYLOAD subscribe[] = { |
Azure.IoT Build | 0:5e72a75c31b8 | 264 | { STRING_c_str(transportState->mqttMessageTopic), DELIVER_AT_LEAST_ONCE } |
Azure.IoT Build | 0:5e72a75c31b8 | 265 | }; |
Azure.IoT Build | 0:5e72a75c31b8 | 266 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransportMqtt_Subscribe shall call mqtt_client_subscribe to subscribe to the Message Topic.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 267 | if (mqtt_client_subscribe(transportState->mqttClient, transportState->packetId++, subscribe, 1) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 268 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 269 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransportMqtt_Subscribe shall return a non-zero value.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 270 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 271 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 272 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 273 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 274 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_018: [On success IoTHubTransportMqtt_Subscribe shall return 0.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 275 | transportState->subscribed = true; |
Azure.IoT Build | 0:5e72a75c31b8 | 276 | transportState->currPacketState = SUBSCRIBE_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 277 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 278 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 279 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 280 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 281 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 282 | if (transportState->receiveMessages) |
Azure.IoT Build | 0:5e72a75c31b8 | 283 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 284 | transportState->currPacketState = SUBSCRIBE_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 285 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 286 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 287 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 288 | transportState->currPacketState = PUBLISH_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 289 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 290 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 291 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 292 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 293 | |
Azure.IoT Build | 0:5e72a75c31b8 | 294 | static const unsigned char* RetrieveMessagePayload(IOTHUB_MESSAGE_HANDLE messageHandle, size_t* length) |
Azure.IoT Build | 0:5e72a75c31b8 | 295 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 296 | const unsigned char* result; |
Azure.IoT Build | 0:5e72a75c31b8 | 297 | |
Azure.IoT Build | 0:5e72a75c31b8 | 298 | IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(messageHandle); |
Azure.IoT Build | 0:5e72a75c31b8 | 299 | if (contentType == IOTHUBMESSAGE_BYTEARRAY) |
Azure.IoT Build | 0:5e72a75c31b8 | 300 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 301 | if (IoTHubMessage_GetByteArray(messageHandle, &result, length) != IOTHUB_MESSAGE_OK) |
Azure.IoT Build | 0:5e72a75c31b8 | 302 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 303 | LogError("Failure result from IoTHubMessage_GetByteArray\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 304 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 305 | *length = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 306 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 307 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 308 | else if (contentType == IOTHUBMESSAGE_STRING) |
Azure.IoT Build | 0:5e72a75c31b8 | 309 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 310 | result = (const unsigned char*)IoTHubMessage_GetString(messageHandle); |
Azure.IoT Build | 0:5e72a75c31b8 | 311 | if (result == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 312 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 313 | LogError("Failure result from IoTHubMessage_GetString\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 314 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 315 | *length = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 316 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 317 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 318 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 319 | *length = strlen((const char*)result); |
Azure.IoT Build | 0:5e72a75c31b8 | 320 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 321 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 322 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 323 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 324 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 325 | *length = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 326 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 327 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 328 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 329 | |
Azure.IoT Build | 0:5e72a75c31b8 | 330 | static STRING_HANDLE ConstructSasToken(const char* iothubName, const char* iotHubSuffix, const char* deviceId) |
Azure.IoT Build | 0:5e72a75c31b8 | 331 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 332 | STRING_HANDLE result; |
Azure.IoT Build | 0:5e72a75c31b8 | 333 | size_t len = strlen(iothubName); |
Azure.IoT Build | 0:5e72a75c31b8 | 334 | len += strlen(iotHubSuffix); |
Azure.IoT Build | 0:5e72a75c31b8 | 335 | len += strlen(deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 336 | |
Azure.IoT Build | 0:5e72a75c31b8 | 337 | char* sasToken = malloc(len + SAS_TOKEN_DEFAULT_LEN + 1); |
Azure.IoT Build | 0:5e72a75c31b8 | 338 | if (sasToken == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 339 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 340 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 341 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 342 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 343 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 344 | (void)sprintf(sasToken, "%s.%s/devices/%s", iothubName, iotHubSuffix, deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 345 | result = STRING_construct(sasToken); |
Azure.IoT Build | 0:5e72a75c31b8 | 346 | free(sasToken); |
Azure.IoT Build | 0:5e72a75c31b8 | 347 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 348 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 349 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 350 | |
Azure.IoT Build | 0:5e72a75c31b8 | 351 | static STRING_HANDLE ConstructEventTopic(const char* deviceId) |
Azure.IoT Build | 0:5e72a75c31b8 | 352 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 353 | STRING_HANDLE result; |
Azure.IoT Build | 0:5e72a75c31b8 | 354 | size_t len = strlen(deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 355 | |
Azure.IoT Build | 0:5e72a75c31b8 | 356 | char* eventTopic = malloc(len + EVENT_TOPIC_DEFAULT_LEN + 1); |
Azure.IoT Build | 0:5e72a75c31b8 | 357 | if (eventTopic == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 358 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 359 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 360 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 361 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 362 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 363 | (void)sprintf(eventTopic, "devices/%s/messages/events/", deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 364 | result = STRING_construct(eventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 365 | free(eventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 366 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 367 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 368 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 369 | |
Azure.IoT Build | 0:5e72a75c31b8 | 370 | static STRING_HANDLE ConstructMessageTopic(const char* deviceId) |
Azure.IoT Build | 0:5e72a75c31b8 | 371 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 372 | STRING_HANDLE result; |
Azure.IoT Build | 0:5e72a75c31b8 | 373 | size_t len = strlen(deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 374 | |
Azure.IoT Build | 0:5e72a75c31b8 | 375 | char* messageTopic = malloc(len + 32 + 1); |
Azure.IoT Build | 0:5e72a75c31b8 | 376 | if (messageTopic == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 377 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 378 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 379 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 380 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 381 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 382 | (void)sprintf(messageTopic, "devices/%s/messages/devicebound/#", deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 383 | result = STRING_construct(messageTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 384 | free(messageTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 385 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 386 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 387 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 388 | |
Azure.IoT Build | 0:5e72a75c31b8 | 389 | static int GetTransportProviderIfNecessary(PMQTTTRANSPORT_HANDLE_DATA transportState) |
Azure.IoT Build | 0:5e72a75c31b8 | 390 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 391 | int result; |
Azure.IoT Build | 0:5e72a75c31b8 | 392 | |
Azure.IoT Build | 0:5e72a75c31b8 | 393 | if (transportState->xioTransport == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 394 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 395 | // construct address |
Azure.IoT Build | 0:5e72a75c31b8 | 396 | const char* hostAddress = STRING_c_str(transportState->hostAddress); |
Azure.IoT Build | 0:5e72a75c31b8 | 397 | const char* hostName = strstr(hostAddress, "//"); |
Azure.IoT Build | 0:5e72a75c31b8 | 398 | if (hostName == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 399 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 400 | hostName = hostAddress; |
Azure.IoT Build | 0:5e72a75c31b8 | 401 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 402 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 403 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 404 | // Increment beyond the double backslash |
Azure.IoT Build | 0:5e72a75c31b8 | 405 | hostName += 2; |
Azure.IoT Build | 0:5e72a75c31b8 | 406 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 407 | transportState->xioTransport = getIoTransportProvider(hostName, transportState->portNum); |
Azure.IoT Build | 0:5e72a75c31b8 | 408 | if (transportState->xioTransport == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 409 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 410 | LogError("Unable to create the lower level TLS layer.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 411 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 412 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 413 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 414 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 415 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 416 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 417 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 418 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 419 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 420 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 421 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 422 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 423 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 424 | static int SendMqttConnectMsg(PMQTTTRANSPORT_HANDLE_DATA transportState) |
Azure.IoT Build | 0:5e72a75c31b8 | 425 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 426 | int result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 427 | |
Azure.IoT Build | 0:5e72a75c31b8 | 428 | // Construct SAS token |
Azure.IoT Build | 0:5e72a75c31b8 | 429 | size_t secSinceEpoch = (size_t)(difftime(get_time(NULL), EPOCH_TIME_T_VALUE) + 0); |
Azure.IoT Build | 0:5e72a75c31b8 | 430 | size_t expiryTime = secSinceEpoch + SAS_TOKEN_DEFAULT_LIFETIME; |
Azure.IoT Build | 0:5e72a75c31b8 | 431 | |
Azure.IoT Build | 0:5e72a75c31b8 | 432 | // Not checking the success of this variable, if fail it will fail in the SASToken creation and return false; |
Azure.IoT Build | 0:5e72a75c31b8 | 433 | STRING_HANDLE emptyKeyName = STRING_new(); |
Azure.IoT Build | 0:5e72a75c31b8 | 434 | STRING_HANDLE sasToken = SASToken_Create(transportState->device_key, transportState->sasTokenSr, emptyKeyName, expiryTime); |
Azure.IoT Build | 0:5e72a75c31b8 | 435 | if (sasToken == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 436 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 437 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 438 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 439 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 440 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 441 | MQTT_CLIENT_OPTIONS options = { 0 }; |
Azure.IoT Build | 0:5e72a75c31b8 | 442 | options.clientId = (char*)STRING_c_str(transportState->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 443 | options.willMessage = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 444 | options.username = (char*)STRING_c_str(transportState->configPassedThroughUsername); |
Azure.IoT Build | 0:5e72a75c31b8 | 445 | options.password = (char*)STRING_c_str(sasToken); |
Azure.IoT Build | 0:5e72a75c31b8 | 446 | options.keepAliveInterval = transportState->keepAliveValue; |
Azure.IoT Build | 0:5e72a75c31b8 | 447 | options.useCleanSession = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 448 | options.qualityOfServiceValue = DELIVER_AT_LEAST_ONCE; |
Azure.IoT Build | 0:5e72a75c31b8 | 449 | |
Azure.IoT Build | 0:5e72a75c31b8 | 450 | if ((result = GetTransportProviderIfNecessary(transportState)) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 451 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 452 | if (mqtt_client_connect(transportState->mqttClient, transportState->xioTransport, &options) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 453 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 454 | LogError("failure connecting to address %s:%d.\r\n", STRING_c_str(transportState->hostAddress), transportState->portNum); |
Azure.IoT Build | 0:5e72a75c31b8 | 455 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 456 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 457 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 458 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 459 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 460 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 461 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 462 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 463 | STRING_delete(emptyKeyName); |
Azure.IoT Build | 0:5e72a75c31b8 | 464 | STRING_delete(sasToken); |
Azure.IoT Build | 0:5e72a75c31b8 | 465 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 466 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 467 | |
Azure.IoT Build | 0:5e72a75c31b8 | 468 | static int InitializeConnection(PMQTTTRANSPORT_HANDLE_DATA transportState) |
Azure.IoT Build | 0:5e72a75c31b8 | 469 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 470 | int result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 471 | if (!transportState->connected && !transportState->destroyCalled) |
Azure.IoT Build | 0:5e72a75c31b8 | 472 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 473 | if (SendMqttConnectMsg(transportState) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 474 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 475 | transportState->connected = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 476 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 477 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 478 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 479 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 480 | transportState->connected = true; |
Azure.IoT Build | 0:5e72a75c31b8 | 481 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 482 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 483 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 484 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 485 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 486 | |
Azure.IoT Build | 0:5e72a75c31b8 | 487 | static STRING_HANDLE buildConfigForUsername(const IOTHUB_CLIENT_CONFIG* upperConfig) |
Azure.IoT Build | 0:5e72a75c31b8 | 488 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 489 | STRING_HANDLE result; |
Azure.IoT Build | 0:5e72a75c31b8 | 490 | |
Azure.IoT Build | 0:5e72a75c31b8 | 491 | size_t len = strlen(upperConfig->iotHubName)+strlen(upperConfig->iotHubSuffix)+strlen(upperConfig->deviceId)+strlen(CLIENT_DEVICE_TYPE_PREFIX)+strlen(IOTHUB_SDK_VERSION); |
Azure.IoT Build | 0:5e72a75c31b8 | 492 | char* eventTopic = malloc(len + BUILD_CONFIG_USERNAME + 1); |
Azure.IoT Build | 0:5e72a75c31b8 | 493 | if (eventTopic == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 494 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 495 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 496 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 497 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 498 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 499 | (void)sprintf(eventTopic, "%s.%s/%s/DeviceClientType=%s%%2F%s", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId, CLIENT_DEVICE_TYPE_PREFIX, IOTHUB_SDK_VERSION); |
Azure.IoT Build | 0:5e72a75c31b8 | 500 | result = STRING_construct(eventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 501 | free(eventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 502 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 503 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 504 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 505 | |
Azure.IoT Build | 0:5e72a75c31b8 | 506 | static PMQTTTRANSPORT_HANDLE_DATA InitializeTransportHandleData(const IOTHUB_CLIENT_CONFIG* upperConfig, PDLIST_ENTRY waitingToSend) |
Azure.IoT Build | 0:5e72a75c31b8 | 507 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 508 | PMQTTTRANSPORT_HANDLE_DATA state = (PMQTTTRANSPORT_HANDLE_DATA)malloc(sizeof(MQTTTRANSPORT_HANDLE_DATA)); |
Azure.IoT Build | 0:5e72a75c31b8 | 509 | if (state == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 510 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 511 | LogError("Could not create MQTT transport state. Memory allocation failed.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 512 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 513 | else if ((state->device_id = STRING_construct(upperConfig->deviceId)) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 514 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 515 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 516 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 517 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 518 | else if ((state->device_key = STRING_construct(upperConfig->deviceKey)) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 519 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 520 | LogError("Could not create device key for MQTT\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 521 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 522 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 523 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 524 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 525 | else if ( (state->sasTokenSr = ConstructSasToken(upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId) ) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 526 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 527 | LogError("Could not create Sas Token Sr String.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 528 | STRING_delete(state->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 529 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 530 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 531 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 532 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 533 | else if ( (state->mqttEventTopic = ConstructEventTopic(upperConfig->deviceId) ) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 534 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 535 | LogError("Could not create mqttEventTopic for MQTT\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 536 | STRING_delete(state->sasTokenSr); |
Azure.IoT Build | 0:5e72a75c31b8 | 537 | STRING_delete(state->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 538 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 539 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 540 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 541 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 542 | else if ((state->mqttMessageTopic = ConstructMessageTopic(upperConfig->deviceId) ) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 543 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 544 | LogError("Could not create mqttMessageTopic for MQTT\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 545 | STRING_delete(state->mqttEventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 546 | STRING_delete(state->sasTokenSr); |
Azure.IoT Build | 0:5e72a75c31b8 | 547 | STRING_delete(state->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 548 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 549 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 550 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 551 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 552 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 553 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 554 | state->mqttClient = mqtt_client_init(MqttRecvCallback, MqttOpCompleteCallback, state, defaultPrintLogFunction); |
Azure.IoT Build | 0:5e72a75c31b8 | 555 | if (state->mqttClient == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 556 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 557 | STRING_delete(state->mqttEventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 558 | STRING_delete(state->mqttMessageTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 559 | STRING_delete(state->sasTokenSr); |
Azure.IoT Build | 0:5e72a75c31b8 | 560 | STRING_delete(state->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 561 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 562 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 563 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 564 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 565 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 566 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 567 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_008: [The hostname shall be constructed using the iothubname and iothubSuffix.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 568 | // TODO: need to strip the ssl or http or tls |
Azure.IoT Build | 0:5e72a75c31b8 | 569 | char tempAddress[DEFAULT_TEMP_STRING_LEN]; |
Azure.IoT Build | 0:5e72a75c31b8 | 570 | (void)snprintf(tempAddress, DEFAULT_TEMP_STRING_LEN, "%s.%s", upperConfig->iotHubName, upperConfig->iotHubSuffix); |
Azure.IoT Build | 0:5e72a75c31b8 | 571 | if ((state->hostAddress = STRING_construct(tempAddress)) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 572 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 573 | STRING_delete(state->mqttEventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 574 | STRING_delete(state->mqttMessageTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 575 | STRING_delete(state->sasTokenSr); |
Azure.IoT Build | 0:5e72a75c31b8 | 576 | STRING_delete(state->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 577 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 578 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 579 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 580 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 581 | else if ((state->configPassedThroughUsername = buildConfigForUsername(upperConfig)) == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 582 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 583 | STRING_delete(state->hostAddress); |
Azure.IoT Build | 0:5e72a75c31b8 | 584 | STRING_delete(state->mqttEventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 585 | STRING_delete(state->mqttMessageTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 586 | STRING_delete(state->sasTokenSr); |
Azure.IoT Build | 0:5e72a75c31b8 | 587 | STRING_delete(state->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 588 | STRING_delete(state->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 589 | free(state); |
Azure.IoT Build | 0:5e72a75c31b8 | 590 | state = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 591 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 592 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 593 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 594 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_010: [IoTHubTransportMqtt_Create shall allocate memory to save its internal state where all topics, hostname, device_id, device_key, sasTokenSr and client handle shall be saved.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 595 | DList_InitializeListHead(&(state->waitingForAck)); |
Azure.IoT Build | 0:5e72a75c31b8 | 596 | state->destroyCalled = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 597 | state->isRegistered = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 598 | state->subscribed = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 599 | state->connected = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 600 | state->receiveMessages = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 601 | state->packetId = 1; |
Azure.IoT Build | 0:5e72a75c31b8 | 602 | state->llClientHandle = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 603 | state->xioTransport = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 604 | state->portNum = DEFAULT_PORT_NUMBER; |
Azure.IoT Build | 0:5e72a75c31b8 | 605 | state->waitingToSend = waitingToSend; |
Azure.IoT Build | 0:5e72a75c31b8 | 606 | state->currPacketState = CONNECT_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 607 | state->keepAliveValue = DEFAULT_MQTT_KEEPALIVE; |
Azure.IoT Build | 0:5e72a75c31b8 | 608 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 609 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 610 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 611 | return state; |
Azure.IoT Build | 0:5e72a75c31b8 | 612 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 613 | |
Azure.IoT Build | 0:5e72a75c31b8 | 614 | extern TRANSPORT_LL_HANDLE IoTHubTransportMqtt_Create(const IOTHUBTRANSPORT_CONFIG* config) |
Azure.IoT Build | 0:5e72a75c31b8 | 615 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 616 | PMQTTTRANSPORT_HANDLE_DATA result; |
Azure.IoT Build | 0:5e72a75c31b8 | 617 | size_t deviceIdSize; |
Azure.IoT Build | 0:5e72a75c31b8 | 618 | |
Azure.IoT Build | 0:5e72a75c31b8 | 619 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [If parameter config is NULL then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 620 | if (config == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 621 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 622 | LogError("Invalid Argument: Config Parameter is NULL.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 623 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 624 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 625 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig or waitingToSend are NULL then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 626 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, deviceKey, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 627 | else if (config->upperConfig == NULL || config->upperConfig->protocol == NULL || config->upperConfig->deviceId == NULL || config->upperConfig->deviceKey == NULL || |
Azure.IoT Build | 0:5e72a75c31b8 | 628 | config->upperConfig->iotHubName == NULL || config->upperConfig->iotHubSuffix == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 629 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 630 | LogError("Invalid Argument: upperConfig structure contains an invalid parameter\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 631 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 632 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 633 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig or waitingToSend are NULL then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 634 | else if (config->waitingToSend == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 635 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 636 | LogError("Invalid Argument: waitingToSend is NULL)\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 637 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 638 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 639 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_006: [If the upperConfig's variables deviceId is an empty strings or length is greater then 128 then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 640 | else if ( ( (deviceIdSize = strlen(config->upperConfig->deviceId)) > 128U) || (deviceIdSize == 0) ) |
Azure.IoT Build | 0:5e72a75c31b8 | 641 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 642 | LogError("Invalid Argument: DeviceId is of an invalid size\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 643 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 644 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 645 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, deviceKey, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 646 | else if (strlen(config->upperConfig->deviceKey) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 647 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 648 | LogError("Invalid Argument: deviceKey is empty\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 649 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 650 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 651 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, deviceKey, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 652 | else if (strlen(config->upperConfig->iotHubName) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 653 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 654 | LogError("Invalid Argument: iotHubName is empty\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 655 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 656 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 657 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 658 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 659 | result = InitializeTransportHandleData(config->upperConfig, config->waitingToSend); |
Azure.IoT Build | 0:5e72a75c31b8 | 660 | if (result != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 661 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 662 | g_msgTickCounter = tickcounter_create(); |
Azure.IoT Build | 0:5e72a75c31b8 | 663 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 664 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 665 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [If any error is encountered then IoTHubTransportMqtt_Create shall return NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 666 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_011: [On Success IoTHubTransportMqtt_Create shall return a non-NULL value.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 667 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 668 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 669 | |
Azure.IoT Build | 0:5e72a75c31b8 | 670 | static void DisconnectFromClient(PMQTTTRANSPORT_HANDLE_DATA transportState) |
Azure.IoT Build | 0:5e72a75c31b8 | 671 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 672 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_013: [If the parameter subscribe is true then IoTHubTransportMqtt_Destroy shall call IoTHubTransportMqtt_Unsubscribe.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 673 | if (transportState->subscribed) |
Azure.IoT Build | 0:5e72a75c31b8 | 674 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 675 | IoTHubTransportMqtt_Unsubscribe(transportState); |
Azure.IoT Build | 0:5e72a75c31b8 | 676 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 677 | |
Azure.IoT Build | 0:5e72a75c31b8 | 678 | (void)mqtt_client_disconnect(transportState->mqttClient); |
Azure.IoT Build | 0:5e72a75c31b8 | 679 | xio_destroy(transportState->xioTransport); |
Azure.IoT Build | 0:5e72a75c31b8 | 680 | |
Azure.IoT Build | 0:5e72a75c31b8 | 681 | transportState->connected = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 682 | transportState->currPacketState = DISCONNECT_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 683 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 684 | |
Azure.IoT Build | 0:5e72a75c31b8 | 685 | void IoTHubTransportMqtt_Destroy(TRANSPORT_LL_HANDLE handle) |
Azure.IoT Build | 0:5e72a75c31b8 | 686 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 687 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [IoTHubTransportMqtt_Destroy shall do nothing if parameter handle is NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 688 | PMQTTTRANSPORT_HANDLE_DATA transportState = (PMQTTTRANSPORT_HANDLE_DATA)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 689 | if (transportState != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 690 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 691 | transportState->destroyCalled = true; |
Azure.IoT Build | 0:5e72a75c31b8 | 692 | |
Azure.IoT Build | 0:5e72a75c31b8 | 693 | DisconnectFromClient(transportState); |
Azure.IoT Build | 0:5e72a75c31b8 | 694 | |
Azure.IoT Build | 0:5e72a75c31b8 | 695 | //Empty the Waiting for Ack Messages. |
Azure.IoT Build | 0:5e72a75c31b8 | 696 | while (!DList_IsListEmpty(&transportState->waitingForAck)) |
Azure.IoT Build | 0:5e72a75c31b8 | 697 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 698 | PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transportState->waitingForAck); |
Azure.IoT Build | 0:5e72a75c31b8 | 699 | MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentEntry, MQTT_MESSAGE_DETAILS_LIST, entry); |
Azure.IoT Build | 0:5e72a75c31b8 | 700 | sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transportState, IOTHUB_BATCHSTATE_FAILED); |
Azure.IoT Build | 0:5e72a75c31b8 | 701 | free(mqttMsgEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 702 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 703 | |
Azure.IoT Build | 0:5e72a75c31b8 | 704 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_014: [IoTHubTransportMqtt_Destroy shall free all the resources currently in use.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 705 | mqtt_client_deinit(transportState->mqttClient); |
Azure.IoT Build | 0:5e72a75c31b8 | 706 | STRING_delete(transportState->mqttEventTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 707 | STRING_delete(transportState->mqttMessageTopic); |
Azure.IoT Build | 0:5e72a75c31b8 | 708 | STRING_delete(transportState->device_id); |
Azure.IoT Build | 0:5e72a75c31b8 | 709 | STRING_delete(transportState->device_key); |
Azure.IoT Build | 0:5e72a75c31b8 | 710 | STRING_delete(transportState->sasTokenSr); |
Azure.IoT Build | 0:5e72a75c31b8 | 711 | STRING_delete(transportState->hostAddress); |
Azure.IoT Build | 0:5e72a75c31b8 | 712 | STRING_delete(transportState->configPassedThroughUsername); |
Azure.IoT Build | 0:5e72a75c31b8 | 713 | tickcounter_destroy(g_msgTickCounter); |
Azure.IoT Build | 0:5e72a75c31b8 | 714 | free(transportState); |
Azure.IoT Build | 0:5e72a75c31b8 | 715 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 716 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 717 | |
Azure.IoT Build | 0:5e72a75c31b8 | 718 | int IoTHubTransportMqtt_Subscribe(IOTHUB_DEVICE_HANDLE handle) |
Azure.IoT Build | 0:5e72a75c31b8 | 719 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 720 | int result; |
Azure.IoT Build | 0:5e72a75c31b8 | 721 | PMQTTTRANSPORT_HANDLE_DATA transportState = (PMQTTTRANSPORT_HANDLE_DATA)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 722 | if (transportState == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 723 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 724 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_015: [If parameter handle is NULL than IoTHubTransportMqtt_Subscribe shall return a non-zero value.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 725 | LogError("Invalid handle parameter. NULL.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 726 | result = __LINE__; |
Azure.IoT Build | 0:5e72a75c31b8 | 727 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 728 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 729 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 730 | /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransportMqtt_Subscribe shall set a flag to enable mqtt_client_subscribe to be called to subscribe to the Message Topic.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 731 | transportState->receiveMessages = true; |
Azure.IoT Build | 0:5e72a75c31b8 | 732 | /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_035: [If current packet state is not CONNACT, DISCONNECT_TYPE, or PACKET_TYPE_ERROR then IoTHubTransportMqtt_Subscribe shall set the packet state to SUBSCRIBE_TYPE.]*/ |
Azure.IoT Build | 0:5e72a75c31b8 | 733 | if (transportState->currPacketState != CONNACK_TYPE && |
Azure.IoT Build | 0:5e72a75c31b8 | 734 | transportState->currPacketState != CONNECT_TYPE && |
Azure.IoT Build | 0:5e72a75c31b8 | 735 | transportState->currPacketState != DISCONNECT_TYPE && |
Azure.IoT Build | 0:5e72a75c31b8 | 736 | transportState->currPacketState != PACKET_TYPE_ERROR) |
Azure.IoT Build | 0:5e72a75c31b8 | 737 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 738 | transportState->currPacketState = SUBSCRIBE_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 739 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 740 | result = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 741 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 742 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 743 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 744 | |
Azure.IoT Build | 0:5e72a75c31b8 | 745 | void IoTHubTransportMqtt_Unsubscribe(IOTHUB_DEVICE_HANDLE handle) |
Azure.IoT Build | 0:5e72a75c31b8 | 746 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 747 | PMQTTTRANSPORT_HANDLE_DATA transportState = (PMQTTTRANSPORT_HANDLE_DATA)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 748 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_019: [If parameter handle is NULL then IoTHubTransportMqtt_Unsubscribe shall do nothing.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 749 | if (transportState != NULL && transportState->subscribed) |
Azure.IoT Build | 0:5e72a75c31b8 | 750 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 751 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_020: [IoTHubTransportMqtt_Unsubscribe shall call mqtt_client_unsubscribe to unsubscribe the mqtt message topic.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 752 | const char* unsubscribe[] = { STRING_c_str(transportState->mqttMessageTopic) }; |
Azure.IoT Build | 0:5e72a75c31b8 | 753 | (void)mqtt_client_unsubscribe(transportState->mqttClient, transportState->packetId++, unsubscribe, 1); |
Azure.IoT Build | 0:5e72a75c31b8 | 754 | transportState->subscribed = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 755 | transportState->receiveMessages = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 756 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 757 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 758 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 759 | LogError("Invalid argument to unsubscribe (NULL). \r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 760 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 761 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 762 | |
Azure.IoT Build | 0:5e72a75c31b8 | 763 | extern void IoTHubTransportMqtt_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle) |
Azure.IoT Build | 0:5e72a75c31b8 | 764 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 765 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_026: [IoTHubTransportMqtt_DoWork shall do nothing if parameter handle and/or iotHubClientHandle is NULL.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 766 | PMQTTTRANSPORT_HANDLE_DATA transportState = (PMQTTTRANSPORT_HANDLE_DATA)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 767 | if (transportState != NULL && iotHubClientHandle != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 768 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 769 | transportState->llClientHandle = iotHubClientHandle; |
Azure.IoT Build | 0:5e72a75c31b8 | 770 | |
Azure.IoT Build | 0:5e72a75c31b8 | 771 | if (InitializeConnection(transportState) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 772 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 773 | // Don't want to flood the logs with failures here |
Azure.IoT Build | 0:5e72a75c31b8 | 774 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 775 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 776 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 777 | if (transportState->currPacketState == CONNACK_TYPE || transportState->currPacketState == SUBSCRIBE_TYPE) |
Azure.IoT Build | 0:5e72a75c31b8 | 778 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 779 | (void)SubscribeToMqttProtocol(transportState); |
Azure.IoT Build | 0:5e72a75c31b8 | 780 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 781 | else if (transportState->currPacketState == SUBACK_TYPE) |
Azure.IoT Build | 0:5e72a75c31b8 | 782 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 783 | // Publish can be called now |
Azure.IoT Build | 0:5e72a75c31b8 | 784 | transportState->currPacketState = PUBLISH_TYPE; |
Azure.IoT Build | 0:5e72a75c31b8 | 785 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 786 | else if (transportState->currPacketState == PUBLISH_TYPE) |
Azure.IoT Build | 0:5e72a75c31b8 | 787 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 788 | PDLIST_ENTRY currentListEntry = transportState->waitingForAck.Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 789 | while (currentListEntry != &transportState->waitingForAck) |
Azure.IoT Build | 0:5e72a75c31b8 | 790 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 791 | MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry); |
Azure.IoT Build | 0:5e72a75c31b8 | 792 | DLIST_ENTRY nextListEntry; |
Azure.IoT Build | 0:5e72a75c31b8 | 793 | nextListEntry.Flink = currentListEntry->Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 794 | |
Azure.IoT Build | 0:5e72a75c31b8 | 795 | uint64_t current_ms; |
Azure.IoT Build | 0:5e72a75c31b8 | 796 | (void)tickcounter_get_current_ms(g_msgTickCounter, ¤t_ms); |
Azure.IoT Build | 0:5e72a75c31b8 | 797 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_033: [IoTHubTransportMqtt_DoWork shall iterate through the Waiting Acknowledge messages looking for any message that has been waiting longer than 2 min.]*/ |
Azure.IoT Build | 0:5e72a75c31b8 | 798 | if (((current_ms - mqttMsgEntry->msgPublishTime) / 1000) > RESEND_TIMEOUT_VALUE_MIN) |
Azure.IoT Build | 0:5e72a75c31b8 | 799 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 800 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_034: [If IoTHubTransportMqtt_DoWork has resent the message two times then it shall fail the message] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 801 | if (mqttMsgEntry->retryCount >= MAX_SEND_RECOUNT_LIMIT) |
Azure.IoT Build | 0:5e72a75c31b8 | 802 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 803 | (void)DList_RemoveEntryList(currentListEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 804 | sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transportState, IOTHUB_BATCHSTATE_FAILED); |
Azure.IoT Build | 0:5e72a75c31b8 | 805 | free(mqttMsgEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 806 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 807 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 808 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 809 | size_t messageLength; |
Azure.IoT Build | 0:5e72a75c31b8 | 810 | const unsigned char* messagePayload = RetrieveMessagePayload(mqttMsgEntry->iotHubMessageEntry->messageHandle, &messageLength); |
Azure.IoT Build | 0:5e72a75c31b8 | 811 | if (messageLength == 0 || messagePayload == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 812 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 813 | LogError("Failure from creating Message IoTHubMessage_GetData\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 814 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 815 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 816 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 817 | if (publishMqttMessage(transportState, mqttMsgEntry, messagePayload, messageLength) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 818 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 819 | (void)DList_RemoveEntryList(currentListEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 820 | sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transportState, IOTHUB_BATCHSTATE_FAILED); |
Azure.IoT Build | 0:5e72a75c31b8 | 821 | free(mqttMsgEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 822 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 823 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 824 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 825 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 826 | currentListEntry = nextListEntry.Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 827 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 828 | |
Azure.IoT Build | 0:5e72a75c31b8 | 829 | currentListEntry = transportState->waitingToSend->Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 830 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransportMqtt_DoWork shall inspect the waitingToSend DLIST passed in config structure.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 831 | while (currentListEntry != transportState->waitingToSend) |
Azure.IoT Build | 0:5e72a75c31b8 | 832 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 833 | IOTHUB_MESSAGE_LIST* iothubMsgList = containingRecord(currentListEntry, IOTHUB_MESSAGE_LIST, entry); |
Azure.IoT Build | 0:5e72a75c31b8 | 834 | DLIST_ENTRY savedFromCurrentListEntry; |
Azure.IoT Build | 0:5e72a75c31b8 | 835 | savedFromCurrentListEntry.Flink = currentListEntry->Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 836 | |
Azure.IoT Build | 0:5e72a75c31b8 | 837 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransportMqtt_DoWork shall inspect the waitingToSend DLIST passed in config structure.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 838 | size_t messageLength; |
Azure.IoT Build | 0:5e72a75c31b8 | 839 | const unsigned char* messagePayload = RetrieveMessagePayload(iothubMsgList->messageHandle, &messageLength); |
Azure.IoT Build | 0:5e72a75c31b8 | 840 | if (messageLength == 0 || messagePayload == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 841 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 842 | LogError("Failure result from IoTHubMessage_GetData\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 843 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 844 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 845 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 846 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_029: [IoTHubTransportMqtt_DoWork shall create a MQTT_MESSAGE_HANDLE and pass this to a call to mqtt_client_publish.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 847 | MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = (MQTT_MESSAGE_DETAILS_LIST*)malloc(sizeof(MQTT_MESSAGE_DETAILS_LIST)); |
Azure.IoT Build | 0:5e72a75c31b8 | 848 | if (mqttMsgEntry == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 849 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 850 | LogError("Allocation Error: Failure allocating MQTT Message Detail List.\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 851 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 852 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 853 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 854 | mqttMsgEntry->retryCount = 0; |
Azure.IoT Build | 0:5e72a75c31b8 | 855 | mqttMsgEntry->msgPacketId = transportState->packetId; |
Azure.IoT Build | 0:5e72a75c31b8 | 856 | mqttMsgEntry->iotHubMessageEntry = iothubMsgList; |
Azure.IoT Build | 0:5e72a75c31b8 | 857 | |
Azure.IoT Build | 0:5e72a75c31b8 | 858 | if (publishMqttMessage(transportState, mqttMsgEntry, messagePayload, messageLength) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 859 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 860 | (void)(DList_RemoveEntryList(currentListEntry)); |
Azure.IoT Build | 0:5e72a75c31b8 | 861 | sendMsgComplete(iothubMsgList, transportState, IOTHUB_BATCHSTATE_FAILED); |
Azure.IoT Build | 0:5e72a75c31b8 | 862 | free(mqttMsgEntry); |
Azure.IoT Build | 0:5e72a75c31b8 | 863 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 864 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 865 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 866 | (void)(DList_RemoveEntryList(currentListEntry)); |
Azure.IoT Build | 0:5e72a75c31b8 | 867 | DList_InsertTailList(&(transportState->waitingForAck), &(mqttMsgEntry->entry)); |
Azure.IoT Build | 0:5e72a75c31b8 | 868 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 869 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 870 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 871 | currentListEntry = savedFromCurrentListEntry.Flink; |
Azure.IoT Build | 0:5e72a75c31b8 | 872 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 873 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 874 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_030: [IoTHubTransportMqtt_DoWork shall call mqtt_client_dowork everytime it is called if it is connected.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 875 | mqtt_client_dowork(transportState->mqttClient); |
Azure.IoT Build | 0:5e72a75c31b8 | 876 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 877 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 878 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 879 | |
Azure.IoT Build | 0:5e72a75c31b8 | 880 | IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus) |
Azure.IoT Build | 0:5e72a75c31b8 | 881 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 882 | IOTHUB_CLIENT_RESULT result; |
Azure.IoT Build | 0:5e72a75c31b8 | 883 | |
Azure.IoT Build | 0:5e72a75c31b8 | 884 | if (handle == NULL || iotHubClientStatus == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 885 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 886 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_023: [IoTHubTransportMqtt_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 887 | LogError("invalid arument. \r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 888 | result = IOTHUB_CLIENT_INVALID_ARG; |
Azure.IoT Build | 0:5e72a75c31b8 | 889 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 890 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 891 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 892 | MQTTTRANSPORT_HANDLE_DATA* handleData = (MQTTTRANSPORT_HANDLE_DATA*)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 893 | if (!DList_IsListEmpty(handleData->waitingToSend) || !DList_IsListEmpty(&(handleData->waitingForAck))) |
Azure.IoT Build | 0:5e72a75c31b8 | 894 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 895 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_025: [IoTHubTransportMqtt_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently event items to be sent or being sent.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 896 | *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY; |
Azure.IoT Build | 0:5e72a75c31b8 | 897 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 898 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 899 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 900 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_024: [IoTHubTransportMqtt_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there are currently no event items to be sent or being sent.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 901 | *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE; |
Azure.IoT Build | 0:5e72a75c31b8 | 902 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 903 | result = IOTHUB_CLIENT_OK; |
Azure.IoT Build | 0:5e72a75c31b8 | 904 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 905 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 906 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 907 | |
Azure.IoT Build | 0:5e72a75c31b8 | 908 | IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value) |
Azure.IoT Build | 0:5e72a75c31b8 | 909 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 910 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_021: [If any parameter is NULL then IoTHubTransportMqtt_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 911 | IOTHUB_CLIENT_RESULT result; |
Azure.IoT Build | 0:5e72a75c31b8 | 912 | if ( |
Azure.IoT Build | 0:5e72a75c31b8 | 913 | (handle == NULL) || |
Azure.IoT Build | 0:5e72a75c31b8 | 914 | (option == NULL) || |
Azure.IoT Build | 0:5e72a75c31b8 | 915 | (value == NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 916 | ) |
Azure.IoT Build | 0:5e72a75c31b8 | 917 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 918 | result = IOTHUB_CLIENT_INVALID_ARG; |
Azure.IoT Build | 0:5e72a75c31b8 | 919 | LogError("invalid parameter (NULL) passed to clientTransportAMQP_SetOption\r\n"); |
Azure.IoT Build | 0:5e72a75c31b8 | 920 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 921 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 922 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 923 | MQTTTRANSPORT_HANDLE_DATA* transportState = (MQTTTRANSPORT_HANDLE_DATA*)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 924 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_031: [If the option parameter is set to "logtrace" then the value shall be a bool_ptr and the value will determine if the mqtt client log is on or off.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 925 | if (strcmp("logtrace", option) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 926 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 927 | bool* traceVal = (bool*)value; |
Azure.IoT Build | 0:5e72a75c31b8 | 928 | mqtt_client_set_trace(transportState->mqttClient, *traceVal, *traceVal); |
Azure.IoT Build | 0:5e72a75c31b8 | 929 | result = IOTHUB_CLIENT_OK; |
Azure.IoT Build | 0:5e72a75c31b8 | 930 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 931 | else if (strcmp("keepalive", option) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 932 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 933 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_036: [If the option parameter is set to "keepalive" then the value shall be a int_ptr and the value will determine the mqtt keepalive time that is set for pings.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 934 | int* keepAliveOption = (int*)value; |
Azure.IoT Build | 0:5e72a75c31b8 | 935 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_037 : [If the option parameter is set to supplied int_ptr keepalive is the same value as the existing keepalive then IoTHubTransportMqtt_SetOption shall do nothing.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 936 | if (*keepAliveOption != transportState->keepAliveValue) |
Azure.IoT Build | 0:5e72a75c31b8 | 937 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 938 | transportState->keepAliveValue = *keepAliveOption; |
Azure.IoT Build | 0:5e72a75c31b8 | 939 | if (transportState->connected) |
Azure.IoT Build | 0:5e72a75c31b8 | 940 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 941 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_038: [If the client is connected when the keepalive is set then IoTHubTransportMqtt_SetOption shall disconnect and reconnect with the specified keepalive value.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 942 | DisconnectFromClient(transportState); |
Azure.IoT Build | 0:5e72a75c31b8 | 943 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 944 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 945 | result = IOTHUB_CLIENT_OK; |
Azure.IoT Build | 0:5e72a75c31b8 | 946 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 947 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 948 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 949 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_032: [IoTHubTransportMqtt_SetOption shall pass down the option to xio_setoption if the option parameter is not a known option string for the MQTT transport.] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 950 | if (GetTransportProviderIfNecessary(transportState) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 951 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 952 | if (xio_setoption(transportState->xioTransport, option, value) == 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 953 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 954 | result = IOTHUB_CLIENT_OK; |
Azure.IoT Build | 0:5e72a75c31b8 | 955 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 956 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 957 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 958 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_132: [IoTHubTransportMqtt_SetOption shall return IOTHUB_CLIENT_INVALID_ARG xio_setoption fails] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 959 | result = IOTHUB_CLIENT_INVALID_ARG; |
Azure.IoT Build | 0:5e72a75c31b8 | 960 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 961 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 962 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 963 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 964 | result = IOTHUB_CLIENT_ERROR; |
Azure.IoT Build | 0:5e72a75c31b8 | 965 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 966 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 967 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 968 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 969 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 970 | |
Azure.IoT Build | 0:5e72a75c31b8 | 971 | IOTHUB_DEVICE_HANDLE IoTHubTransportMqtt_Register(TRANSPORT_LL_HANDLE handle, const char* deviceId, const char* deviceKey, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend) |
Azure.IoT Build | 0:5e72a75c31b8 | 972 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 973 | IOTHUB_DEVICE_HANDLE result; |
Azure.IoT Build | 0:5e72a75c31b8 | 974 | // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_001: [ IoTHubTransportMqtt_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.] |
Azure.IoT Build | 0:5e72a75c31b8 | 975 | // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_002: [ IoTHubTransportMqtt_Register shall return NULL if deviceId, deviceKey or waitingToSend are NULL.] |
Azure.IoT Build | 0:5e72a75c31b8 | 976 | if ((handle == NULL) || (deviceId == NULL) || (deviceKey == NULL) || (waitingToSend == NULL)) |
Azure.IoT Build | 0:5e72a75c31b8 | 977 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 978 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 979 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 980 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 981 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 982 | MQTTTRANSPORT_HANDLE_DATA* transportState = (MQTTTRANSPORT_HANDLE_DATA*)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 983 | |
Azure.IoT Build | 0:5e72a75c31b8 | 984 | // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_003: [ IoTHubTransportMqtt_Register shall return NULL if deviceId or deviceKey do not match the deviceId and deviceKey passed in during IoTHubTransportMqtt_Create.] |
Azure.IoT Build | 0:5e72a75c31b8 | 985 | if (strcmp(STRING_c_str(transportState->device_id), deviceId) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 986 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 987 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 988 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 989 | else if (strcmp(STRING_c_str(transportState->device_key), deviceKey) != 0) |
Azure.IoT Build | 0:5e72a75c31b8 | 990 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 991 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 992 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 993 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 994 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 995 | if (transportState->isRegistered == true) |
Azure.IoT Build | 0:5e72a75c31b8 | 996 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 997 | LogError("Transport already has device registered by id: [%s]", deviceId); |
Azure.IoT Build | 0:5e72a75c31b8 | 998 | result = NULL; |
Azure.IoT Build | 0:5e72a75c31b8 | 999 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1000 | else |
Azure.IoT Build | 0:5e72a75c31b8 | 1001 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 1002 | transportState->isRegistered = true; |
Azure.IoT Build | 0:5e72a75c31b8 | 1003 | // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_004: [ IoTHubTransportMqtt_Register shall return the TRANSPORT_LL_HANDLE as the IOTHUB_DEVICE_HANDLE. ] |
Azure.IoT Build | 0:5e72a75c31b8 | 1004 | result = (IOTHUB_DEVICE_HANDLE)handle; |
Azure.IoT Build | 0:5e72a75c31b8 | 1005 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1006 | |
Azure.IoT Build | 0:5e72a75c31b8 | 1007 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1008 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1009 | |
Azure.IoT Build | 0:5e72a75c31b8 | 1010 | return result; |
Azure.IoT Build | 0:5e72a75c31b8 | 1011 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1012 | |
Azure.IoT Build | 0:5e72a75c31b8 | 1013 | // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_005: [ IoTHubTransportMqtt_Unregister shall return. ] |
Azure.IoT Build | 0:5e72a75c31b8 | 1014 | void IoTHubTransportMqtt_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle) |
Azure.IoT Build | 0:5e72a75c31b8 | 1015 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 1016 | if (deviceHandle != NULL) |
Azure.IoT Build | 0:5e72a75c31b8 | 1017 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 1018 | MQTTTRANSPORT_HANDLE_DATA* transportState = (MQTTTRANSPORT_HANDLE_DATA*)deviceHandle; |
Azure.IoT Build | 0:5e72a75c31b8 | 1019 | |
Azure.IoT Build | 0:5e72a75c31b8 | 1020 | transportState->isRegistered = false; |
Azure.IoT Build | 0:5e72a75c31b8 | 1021 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1022 | } |
Azure.IoT Build | 0:5e72a75c31b8 | 1023 | |
Azure.IoT Build | 0:5e72a75c31b8 | 1024 | TRANSPORT_PROVIDER myfunc = { |
Azure.IoT Build | 0:5e72a75c31b8 | 1025 | IoTHubTransportMqtt_SetOption, |
Azure.IoT Build | 0:5e72a75c31b8 | 1026 | IoTHubTransportMqtt_Create, |
Azure.IoT Build | 0:5e72a75c31b8 | 1027 | IoTHubTransportMqtt_Destroy, |
Azure.IoT Build | 0:5e72a75c31b8 | 1028 | IoTHubTransportMqtt_Register, |
Azure.IoT Build | 0:5e72a75c31b8 | 1029 | IoTHubTransportMqtt_Unregister, |
Azure.IoT Build | 0:5e72a75c31b8 | 1030 | IoTHubTransportMqtt_Subscribe, |
Azure.IoT Build | 0:5e72a75c31b8 | 1031 | IoTHubTransportMqtt_Unsubscribe, |
Azure.IoT Build | 0:5e72a75c31b8 | 1032 | IoTHubTransportMqtt_DoWork, |
Azure.IoT Build | 0:5e72a75c31b8 | 1033 | IoTHubTransportMqtt_GetSendStatus |
Azure.IoT Build | 0:5e72a75c31b8 | 1034 | }; |
Azure.IoT Build | 0:5e72a75c31b8 | 1035 | |
Azure.IoT Build | 0:5e72a75c31b8 | 1036 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_022: [This function shall return a pointer to a structure of type TRANSPORT_PROVIDER having the following values for its fields: IoTHubTransport_Create = IoTHubTransportMqtt_Create |
Azure.IoT Build | 0:5e72a75c31b8 | 1037 | IoTHubTransport_Destroy = IoTHubTransportMqtt_Destroy |
Azure.IoT Build | 0:5e72a75c31b8 | 1038 | IoTHubTransport_Subscribe = IoTHubTransportMqtt_Subscribe |
Azure.IoT Build | 0:5e72a75c31b8 | 1039 | IoTHubTransport_Unsubscribe = IoTHubTransportMqtt_Unsubscribe |
Azure.IoT Build | 0:5e72a75c31b8 | 1040 | IoTHubTransport_DoWork = IoTHubTransportMqtt_DoWork |
Azure.IoT Build | 0:5e72a75c31b8 | 1041 | IoTHubTransport_SetOption = IoTHubTransportMqtt_SetOption] */ |
Azure.IoT Build | 0:5e72a75c31b8 | 1042 | extern const void* MQTT_Protocol(void) |
Azure.IoT Build | 0:5e72a75c31b8 | 1043 | { |
Azure.IoT Build | 0:5e72a75c31b8 | 1044 | return &myfunc; |
Azure.IoT Build | 0:5e72a75c31b8 | 1045 | } |