Azure IoT / iothub_mqtt_transport

Microsoft Azure IoTHub client MQTT transport

Dependents:   STM32F746_iothub_client_sample_mqtt FXOS8700CQ_To_Azure_IoT f767zi_mqtt FXOS8700CQ_To_Azure_IoT ... more

iothubtransportmqtt.c@12:658ca6865de2, 2016-11-16 (annotated)

Committer:
AzureIoTClient
Date:
Wed Nov 16 21:37:42 2016 -0800
Revision:
12:658ca6865de2
Parent:
11:31ebaeb51e1e
Child:
14:4dc2b011be33
1.0.10

Who changed what in which revision?

UserRevisionLine numberNew 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
Azure.IoT Build 0:5e72a75c31b8 9 #include "iothubtransportmqtt.h"
AzureIoTClient 11:31ebaeb51e1e 10 #include "azure_c_shared_utility/xio.h"
Azure.IoT Build 1:f2e563755d91 11 #include "azure_c_shared_utility/tlsio.h"
Azure.IoT Build 1:f2e563755d91 12 #include "azure_c_shared_utility/platform.h"
AzureIoTClient 11:31ebaeb51e1e 13 #include "iothubtransport_mqtt_common.h"
AzureIoTClient 7:7fdd306e6224 14
AzureIoTClient 11:31ebaeb51e1e 15 static XIO_HANDLE getIoTransportProvider(const char* fqdn)
AzureIoTClient 6:16875b609849 16 {
AzureIoTClient 11:31ebaeb51e1e 17 XIO_HANDLE result;
AzureIoTClient 11:31ebaeb51e1e 18 const IO_INTERFACE_DESCRIPTION* io_interface_description = platform_get_default_tlsio();
AzureIoTClient 11:31ebaeb51e1e 19 if (io_interface_description == NULL)
AzureIoTClient 4:e472f5ce3473 20 {
AzureIoTClient 11:31ebaeb51e1e 21 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_013: [ If platform_get_default_tlsio returns NULL getIoTransportProvider shall return NULL. ] */
AzureIoTClient 11:31ebaeb51e1e 22 LogError("Failure constructing the provider interface");
AzureIoTClient 4:e472f5ce3473 23 result = NULL;
AzureIoTClient 4:e472f5ce3473 24 }
AzureIoTClient 4:e472f5ce3473 25 else
AzureIoTClient 4:e472f5ce3473 26 {
AzureIoTClient 11:31ebaeb51e1e 27 TLSIO_CONFIG tls_io_config;
AzureIoTClient 11:31ebaeb51e1e 28 tls_io_config.hostname = fqdn;
AzureIoTClient 11:31ebaeb51e1e 29 tls_io_config.port = 8883;
AzureIoTClient 11:31ebaeb51e1e 30 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [ getIoTransportProvider shall return the XIO_HANDLE returns by xio_create. ] */
AzureIoTClient 11:31ebaeb51e1e 31 result = xio_create(io_interface_description, &tls_io_config);
AzureIoTClient 2:9db4da50abaa 32 }
AzureIoTClient 4:e472f5ce3473 33 return result;
Azure.IoT Build 0:5e72a75c31b8 34 }
Azure.IoT Build 0:5e72a75c31b8 35
AzureIoTClient 4:e472f5ce3473 36 static TRANSPORT_LL_HANDLE IoTHubTransportMqtt_Create(const IOTHUBTRANSPORT_CONFIG* config)
Azure.IoT Build 0:5e72a75c31b8 37 {
AzureIoTClient 11:31ebaeb51e1e 38 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [IoTHubTransportMqtt_Create shall create a TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Create function.] */
AzureIoTClient 11:31ebaeb51e1e 39 return IoTHubTransport_MQTT_Common_Create(config, getIoTransportProvider);
Azure.IoT Build 0:5e72a75c31b8 40 }
Azure.IoT Build 0:5e72a75c31b8 41
AzureIoTClient 4:e472f5ce3473 42 static void IoTHubTransportMqtt_Destroy(TRANSPORT_LL_HANDLE handle)
Azure.IoT Build 0:5e72a75c31b8 43 {
AzureIoTClient 11:31ebaeb51e1e 44 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [ IoTHubTransportMqtt_Destroy shall destroy the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Destroy function. ] */
AzureIoTClient 11:31ebaeb51e1e 45 IoTHubTransport_MQTT_Common_Destroy(handle);
Azure.IoT Build 0:5e72a75c31b8 46 }
Azure.IoT Build 0:5e72a75c31b8 47
AzureIoTClient 4:e472f5ce3473 48 static int IoTHubTransportMqtt_Subscribe(IOTHUB_DEVICE_HANDLE handle)
Azure.IoT Build 0:5e72a75c31b8 49 {
AzureIoTClient 11:31ebaeb51e1e 50 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_005: [ IoTHubTransportMqtt_Subscribe shall subscribe the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Subscribe function. ] */
AzureIoTClient 11:31ebaeb51e1e 51 return IoTHubTransport_MQTT_Common_Subscribe(handle);
Azure.IoT Build 0:5e72a75c31b8 52 }
Azure.IoT Build 0:5e72a75c31b8 53
AzureIoTClient 4:e472f5ce3473 54 static void IoTHubTransportMqtt_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
Azure.IoT Build 0:5e72a75c31b8 55 {
AzureIoTClient 11:31ebaeb51e1e 56 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_006: [ IoTHubTransportMqtt_Unsubscribe shall unsubscribe the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Unsubscribe function. ] */
AzureIoTClient 11:31ebaeb51e1e 57 IoTHubTransport_MQTT_Common_Unsubscribe(handle);
Azure.IoT Build 0:5e72a75c31b8 58 }
Azure.IoT Build 0:5e72a75c31b8 59
AzureIoTClient 12:658ca6865de2 60 static int IoTHubTransportMqtt_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 61 {
AzureIoTClient 12:658ca6865de2 62 return IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod(handle);
AzureIoTClient 12:658ca6865de2 63 }
AzureIoTClient 12:658ca6865de2 64
AzureIoTClient 12:658ca6865de2 65 static void IoTHubTransportMqtt_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 66 {
AzureIoTClient 12:658ca6865de2 67 IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod(handle);
AzureIoTClient 12:658ca6865de2 68 }
AzureIoTClient 12:658ca6865de2 69
AzureIoTClient 12:658ca6865de2 70 static int IoTHubTransportMqtt_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 71 {
AzureIoTClient 12:658ca6865de2 72 return IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin(handle);
AzureIoTClient 12:658ca6865de2 73 }
AzureIoTClient 12:658ca6865de2 74
AzureIoTClient 12:658ca6865de2 75 static void IoTHubTransportMqtt_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 76 {
AzureIoTClient 12:658ca6865de2 77 IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin(handle);
AzureIoTClient 12:658ca6865de2 78 }
AzureIoTClient 12:658ca6865de2 79
AzureIoTClient 12:658ca6865de2 80 static IOTHUB_PROCESS_ITEM_RESULT IoTHubTransportMqtt_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
AzureIoTClient 12:658ca6865de2 81 {
AzureIoTClient 12:658ca6865de2 82 return IoTHubTransport_MQTT_Common_ProcessItem(handle, item_type, iothub_item);
AzureIoTClient 12:658ca6865de2 83 }
AzureIoTClient 12:658ca6865de2 84
AzureIoTClient 12:658ca6865de2 85 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ IoTHubTransportMqtt_DoWork shall subscribe to the Notification and get_state Topics if they are defined. ] */
AzureIoTClient 4:e472f5ce3473 86 static void IoTHubTransportMqtt_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
Azure.IoT Build 0:5e72a75c31b8 87 {
AzureIoTClient 11:31ebaeb51e1e 88 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_007: [ IoTHubTransportMqtt_DoWork shall call into the IoTHubMqttAbstract_DoWork function. ] */
AzureIoTClient 11:31ebaeb51e1e 89 IoTHubTransport_MQTT_Common_DoWork(handle, iotHubClientHandle);
Azure.IoT Build 0:5e72a75c31b8 90 }
Azure.IoT Build 0:5e72a75c31b8 91
AzureIoTClient 12:658ca6865de2 92 static int IoTHubTransportMqtt_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient 12:658ca6865de2 93 {
AzureIoTClient 12:658ca6865de2 94 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_25_012: [** IoTHubTransportMqtt_SetRetryPolicy shall call into the IoTHubMqttAbstract_SetRetryPolicy function. ] */
AzureIoTClient 12:658ca6865de2 95 return IoTHubTransport_MQTT_Common_SetRetryPolicy(handle, retryPolicy, retryTimeoutLimitInSeconds);
AzureIoTClient 12:658ca6865de2 96 }
AzureIoTClient 12:658ca6865de2 97
AzureIoTClient 4:e472f5ce3473 98 static IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
Azure.IoT Build 0:5e72a75c31b8 99 {
AzureIoTClient 11:31ebaeb51e1e 100 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_008: [ IoTHubTransportMqtt_GetSendStatus shall get the send status by calling into the IoTHubMqttAbstract_GetSendStatus function. ] */
AzureIoTClient 11:31ebaeb51e1e 101 return IoTHubTransport_MQTT_Common_GetSendStatus(handle, iotHubClientStatus);
Azure.IoT Build 0:5e72a75c31b8 102 }
Azure.IoT Build 0:5e72a75c31b8 103
AzureIoTClient 4:e472f5ce3473 104 static IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
Azure.IoT Build 0:5e72a75c31b8 105 {
AzureIoTClient 11:31ebaeb51e1e 106 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [ IoTHubTransportMqtt_SetOption shall set the options by calling into the IoTHubMqttAbstract_SetOption function. ] */
AzureIoTClient 11:31ebaeb51e1e 107 return IoTHubTransport_MQTT_Common_SetOption(handle, option, value);
Azure.IoT Build 0:5e72a75c31b8 108 }
Azure.IoT Build 0:5e72a75c31b8 109
AzureIoTClient 4:e472f5ce3473 110 static IOTHUB_DEVICE_HANDLE IoTHubTransportMqtt_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
Azure.IoT Build 0:5e72a75c31b8 111 {
AzureIoTClient 11:31ebaeb51e1e 112 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [ IoTHubTransportMqtt_Register shall register the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Register function. ] */
AzureIoTClient 11:31ebaeb51e1e 113 return IoTHubTransport_MQTT_Common_Register(handle, device, iotHubClientHandle, waitingToSend);
Azure.IoT Build 0:5e72a75c31b8 114 }
Azure.IoT Build 0:5e72a75c31b8 115
AzureIoTClient 4:e472f5ce3473 116 static void IoTHubTransportMqtt_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build 0:5e72a75c31b8 117 {
AzureIoTClient 11:31ebaeb51e1e 118 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_004: [ IoTHubTransportMqtt_Unregister shall register the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Unregister function. ] */
AzureIoTClient 11:31ebaeb51e1e 119 IoTHubTransport_MQTT_Common_Unregister(deviceHandle);
Azure.IoT Build 0:5e72a75c31b8 120 }
Azure.IoT Build 0:5e72a75c31b8 121
AzureIoTClient 4:e472f5ce3473 122 static STRING_HANDLE IoTHubTransportMqtt_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 4:e472f5ce3473 123 {
AzureIoTClient 11:31ebaeb51e1e 124 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_010: [ IoTHubTransportMqtt_GetHostname shall get the hostname by calling into the IoTHubMqttAbstract_GetHostname function. ] */
AzureIoTClient 11:31ebaeb51e1e 125 return IoTHubTransport_MQTT_Common_GetHostname(handle);
AzureIoTClient 4:e472f5ce3473 126 }
AzureIoTClient 4:e472f5ce3473 127
AzureIoTClient 12:658ca6865de2 128 static TRANSPORT_PROVIDER myfunc =
AzureIoTClient 12:658ca6865de2 129 {
AzureIoTClient 12:658ca6865de2 130 IoTHubTransportMqtt_Subscribe_DeviceMethod, /*pfIoTHubTransport_Subscribe_DeviceMethod IoTHubTransport_Subscribe_DeviceMethod;*/
AzureIoTClient 12:658ca6865de2 131 IoTHubTransportMqtt_Unsubscribe_DeviceMethod, /*pfIoTHubTransport_Unsubscribe_DeviceMethod IoTHubTransport_Unsubscribe_DeviceMethod;*/
AzureIoTClient 12:658ca6865de2 132 IoTHubTransportMqtt_Subscribe_DeviceTwin, /*pfIoTHubTransport_Subscribe_DeviceTwin IoTHubTransport_Subscribe_DeviceTwin;*/
AzureIoTClient 12:658ca6865de2 133 IoTHubTransportMqtt_Unsubscribe_DeviceTwin, /*pfIoTHubTransport_Unsubscribe_DeviceTwin IoTHubTransport_Unsubscribe_DeviceTwin;*/
AzureIoTClient 12:658ca6865de2 134 IoTHubTransportMqtt_ProcessItem, /*pfIoTHubTransport_ProcessItem IoTHubTransport_ProcessItem;*/
AzureIoTClient 12:658ca6865de2 135 IoTHubTransportMqtt_GetHostname, /*pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname;*/
AzureIoTClient 12:658ca6865de2 136 IoTHubTransportMqtt_SetOption, /*pfIoTHubTransport_SetOption IoTHubTransport_SetOption;*/
AzureIoTClient 12:658ca6865de2 137 IoTHubTransportMqtt_Create, /*pfIoTHubTransport_Create IoTHubTransport_Create;*/
AzureIoTClient 12:658ca6865de2 138 IoTHubTransportMqtt_Destroy, /*pfIoTHubTransport_Destroy IoTHubTransport_Destroy;*/
AzureIoTClient 12:658ca6865de2 139 IoTHubTransportMqtt_Register, /*pfIotHubTransport_Register IoTHubTransport_Register;*/
AzureIoTClient 12:658ca6865de2 140 IoTHubTransportMqtt_Unregister, /*pfIotHubTransport_Unregister IoTHubTransport_Unegister;*/
AzureIoTClient 12:658ca6865de2 141 IoTHubTransportMqtt_Subscribe, /*pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe;*/
AzureIoTClient 12:658ca6865de2 142 IoTHubTransportMqtt_Unsubscribe, /*pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe;*/
AzureIoTClient 12:658ca6865de2 143 IoTHubTransportMqtt_DoWork, /*pfIoTHubTransport_DoWork IoTHubTransport_DoWork;*/
AzureIoTClient 12:658ca6865de2 144 IoTHubTransportMqtt_SetRetryPolicy, /*pfIoTHubTransport_DoWork IoTHubTransport_SetRetryPolicy;*/
AzureIoTClient 12:658ca6865de2 145 IoTHubTransportMqtt_GetSendStatus /*pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus;*/
Azure.IoT Build 0:5e72a75c31b8 146 };
Azure.IoT Build 0:5e72a75c31b8 147
AzureIoTClient 12:658ca6865de2 148 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_022: [This function shall return a pointer to a structure of type TRANSPORT_PROVIDER */
AzureIoTClient 12:658ca6865de2 149 extern const TRANSPORT_PROVIDER* MQTT_Protocol(void)
Azure.IoT Build 0:5e72a75c31b8 150 {
AzureIoTClient 4:e472f5ce3473 151 return &myfunc;
Azure.IoT Build 0:5e72a75c31b8 152 }