1 | // Copyright (c) Microsoft. All rights reserved.
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2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information.
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3 |
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4 | #include <stdlib.h>
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5 | #include "iothubtransportmqtt.h"
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6 | #include "azure_c_shared_utility/xio.h"
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7 | #include "azure_c_shared_utility/tlsio.h"
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8 | #include "azure_c_shared_utility/platform.h"
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9 | #include "internal/iothubtransport_mqtt_common.h"
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10 | #include "azure_c_shared_utility/xlogging.h"
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11 |
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12 | static XIO_HANDLE getIoTransportProvider(const char* fully_qualified_name, const MQTT_TRANSPORT_PROXY_OPTIONS* mqtt_transport_proxy_options)
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13 | {
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14 | XIO_HANDLE result;
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15 |
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16 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_01_001: [ `getIoTransportProvider` shall obtain the TLS IO interface handle by calling `platform_get_default_tlsio`. ]*/
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17 | const IO_INTERFACE_DESCRIPTION* io_interface_description = platform_get_default_tlsio();
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18 | (void)mqtt_transport_proxy_options;
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19 |
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20 | if (io_interface_description == NULL)
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21 | {
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22 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_013: [ If `platform_get_default_tlsio` returns NULL, `getIoTransportProvider` shall return NULL. ] */
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23 | LogError("Failure constructing the provider interface");
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24 | result = NULL;
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25 | }
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26 | else
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27 | {
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28 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_01_002: [ The TLS IO parameters shall be a `TLSIO_CONFIG` structure filled as below: ]*/
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29 | TLSIO_CONFIG tls_io_config;
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30 |
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31 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_01_003: [ - `hostname` shall be set to `fully_qualified_name`. ]*/
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32 | tls_io_config.hostname = fully_qualified_name;
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33 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_01_004: [ - `port` shall be set to 8883. ]*/
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34 | tls_io_config.port = 8883;
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35 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_01_005: [ - `underlying_io_interface` shall be set to NULL. ]*/
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36 | tls_io_config.underlying_io_interface = NULL;
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37 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_01_006: [ - `underlying_io_parameters` shall be set to NULL. ]*/
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38 | tls_io_config.underlying_io_parameters = NULL;
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39 |
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40 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [ `getIoTransportProvider` shall return the `XIO_HANDLE` returned by `xio_create`. ] */
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41 | result = xio_create(io_interface_description, &tls_io_config);
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42 | }
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43 | return result;
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44 | }
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45 |
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46 | static TRANSPORT_LL_HANDLE IoTHubTransportMqtt_Create(const IOTHUBTRANSPORT_CONFIG* config, TRANSPORT_CALLBACKS_INFO* cb_info, void* ctx)
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47 | {
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48 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [IoTHubTransportMqtt_Create shall create a TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Create function.] */
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49 | return IoTHubTransport_MQTT_Common_Create(config, getIoTransportProvider, cb_info, ctx);
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50 | }
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51 |
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52 | static void IoTHubTransportMqtt_Destroy(TRANSPORT_LL_HANDLE handle)
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53 | {
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54 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [ IoTHubTransportMqtt_Destroy shall destroy the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Destroy function. ] */
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55 | IoTHubTransport_MQTT_Common_Destroy(handle);
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56 | }
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57 |
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58 | static int IoTHubTransportMqtt_Subscribe(IOTHUB_DEVICE_HANDLE handle)
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59 | {
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60 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_005: [ IoTHubTransportMqtt_Subscribe shall subscribe the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Subscribe function. ] */
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61 | return IoTHubTransport_MQTT_Common_Subscribe(handle);
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62 | }
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63 |
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64 | static void IoTHubTransportMqtt_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
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65 | {
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66 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_006: [ IoTHubTransportMqtt_Unsubscribe shall unsubscribe the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Unsubscribe function. ] */
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67 | IoTHubTransport_MQTT_Common_Unsubscribe(handle);
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68 | }
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69 |
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70 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_026: [ IoTHubTransportMqtt_Subscribe_DeviceMethod shall subscribe the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Subscribe_DeviceMethod function. ] */
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71 | static int IoTHubTransportMqtt_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
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72 | {
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73 | return IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod(handle);
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74 | }
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75 |
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76 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [ IoTHubTransportMqtt_Unsubscribe_DeviceMethod shall call into the IoTHubMqttAbstract_Unsubscribe_DeviceMethod function. ] */
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77 | static void IoTHubTransportMqtt_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
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78 | {
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79 | IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod(handle);
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80 | }
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81 |
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82 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_025: [ IoTHubTransportMqtt_Subscribe_DeviceTwin shall call into the IoTHubMqttAbstract_Subscribe_DeviceTwin function. ] */
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83 | static int IoTHubTransportMqtt_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
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84 | {
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85 | return IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin(handle);
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86 | }
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87 |
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88 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_024: [ IoTHubTransportMqtt_Unsubscribe_DeviceTwin shall shall call into the IoTHubMqttAbstract_Unsubscribe_DeviceTwin function. ] */
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89 | static void IoTHubTransportMqtt_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
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90 | {
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91 | IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin(handle);
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92 | }
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93 |
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94 | static IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_GetTwinAsync(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_DEVICE_TWIN_CALLBACK completionCallback, void* callbackContext)
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95 | {
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96 | // Codes_SRS_IOTHUB_MQTT_TRANSPORT_09_001: [ IoTHubTransportMqtt_GetTwinAsync shall call into the IoTHubTransport_MQTT_Common_GetTwinAsync function. ]
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97 | return IoTHubTransport_MQTT_Common_GetTwinAsync(handle, completionCallback, callbackContext);
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98 | }
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99 |
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100 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_023: [ IoTHubTransportMqtt_DeviceMethod_Response shall call into the IoTHubMqttAbstract_DeviceMethod_Response function. ] */
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101 | static int IoTHubTransportMqtt_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t response_size, int status_response)
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102 | {
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103 | return IoTHubTransport_MQTT_Common_DeviceMethod_Response(handle, methodId, response, response_size, status_response);
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104 | }
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105 |
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106 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_001: [IoTHubTransportMqtt_SendMessageDisposition shall send the message disposition by calling into the IoTHubMqttAbstract_SendMessageDisposition function.] */
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107 | static IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
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108 | {
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109 | return IoTHubTransport_MQTT_Common_SendMessageDisposition(message_data, disposition);
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110 | }
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111 |
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112 | static IOTHUB_PROCESS_ITEM_RESULT IoTHubTransportMqtt_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
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113 | {
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114 | return IoTHubTransport_MQTT_Common_ProcessItem(handle, item_type, iothub_item);
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115 | }
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116 |
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117 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ IoTHubTransportMqtt_DoWork shall subscribe to the Notification and get_state Topics if they are defined. ] */
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118 | static void IoTHubTransportMqtt_DoWork(TRANSPORT_LL_HANDLE handle)
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119 | {
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120 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_007: [ IoTHubTransportMqtt_DoWork shall call into the IoTHubMqttAbstract_DoWork function. ] */
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121 | IoTHubTransport_MQTT_Common_DoWork(handle);
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122 | }
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123 |
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124 | static int IoTHubTransportMqtt_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
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125 | {
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126 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_25_012: [** IoTHubTransportMqtt_SetRetryPolicy shall call into the IoTHubMqttAbstract_SetRetryPolicy function. ] */
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127 | return IoTHubTransport_MQTT_Common_SetRetryPolicy(handle, retryPolicy, retryTimeoutLimitInSeconds);
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128 | }
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129 |
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130 | static IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
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131 | {
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132 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_008: [ IoTHubTransportMqtt_GetSendStatus shall get the send status by calling into the IoTHubMqttAbstract_GetSendStatus function. ] */
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133 | return IoTHubTransport_MQTT_Common_GetSendStatus(handle, iotHubClientStatus);
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134 | }
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135 |
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136 | static IOTHUB_CLIENT_RESULT IoTHubTransportMqtt_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
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137 | {
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138 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [ IoTHubTransportMqtt_SetOption shall set the options by calling into the IoTHubMqttAbstract_SetOption function. ] */
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139 | return IoTHubTransport_MQTT_Common_SetOption(handle, option, value);
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140 | }
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141 |
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142 | static IOTHUB_DEVICE_HANDLE IoTHubTransportMqtt_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, PDLIST_ENTRY waitingToSend)
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143 | {
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144 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [ IoTHubTransportMqtt_Register shall register the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Register function. ] */
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145 | return IoTHubTransport_MQTT_Common_Register(handle, device, waitingToSend);
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146 | }
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147 |
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148 | static void IoTHubTransportMqtt_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
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149 | {
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150 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_004: [ IoTHubTransportMqtt_Unregister shall register the TRANSPORT_LL_HANDLE by calling into the IoTHubMqttAbstract_Unregister function. ] */
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151 | IoTHubTransport_MQTT_Common_Unregister(deviceHandle);
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152 | }
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153 |
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154 | static STRING_HANDLE IoTHubTransportMqtt_GetHostname(TRANSPORT_LL_HANDLE handle)
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155 | {
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156 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_010: [ IoTHubTransportMqtt_GetHostname shall get the hostname by calling into the IoTHubMqttAbstract_GetHostname function. ] */
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157 | return IoTHubTransport_MQTT_Common_GetHostname(handle);
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158 | }
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159 |
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160 | static int IotHubTransportMqtt_Subscribe_InputQueue(IOTHUB_DEVICE_HANDLE handle)
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161 | {
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162 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_31_14: [ IoTHubTransportMqtt_Subscribe shall subscribe the TRANSPORT_LL_HANDLE by calling into IoTHubTransport_MQTT_Common_Subscribe_InputQueue. ] */
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163 | return IoTHubTransport_MQTT_Common_Subscribe_InputQueue(handle);
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164 | }
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165 |
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166 | static void IotHubTransportMqtt_Unsubscribe_InputQueue(IOTHUB_DEVICE_HANDLE handle)
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167 | {
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168 | /* Codes_SRS_IOTHUBTRANSPORTAMQP_31_015: [IotHubTransportMQTT_Unsubscribe_InputQueue shall unsubscribe by calling into IoTHubTransport_MQTT_Common_Unsubscribe_InputQueue. ] */
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169 | IoTHubTransport_MQTT_Common_Unsubscribe_InputQueue(handle);
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170 | }
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171 |
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172 | static int IotHubTransportMqtt_SetCallbackContext(TRANSPORT_LL_HANDLE handle, void* ctx)
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173 | {
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174 | return IoTHubTransport_MQTT_SetCallbackContext(handle, ctx);
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175 | }
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176 |
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177 | static int IotHubTransportMqtt_GetSupportedPlatformInfo(TRANSPORT_LL_HANDLE handle, PLATFORM_INFO_OPTION* info)
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178 | {
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179 | return IoTHubTransport_MQTT_GetSupportedPlatformInfo(handle, info);
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180 | }
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181 |
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182 | static TRANSPORT_PROVIDER myfunc =
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183 | {
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184 | IoTHubTransportMqtt_SendMessageDisposition, /*pfIotHubTransport_SendMessageDisposition IoTHubTransport_SendMessageDisposition;*/
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185 | IoTHubTransportMqtt_Subscribe_DeviceMethod, /*pfIoTHubTransport_Subscribe_DeviceMethod IoTHubTransport_Subscribe_DeviceMethod;*/
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186 | IoTHubTransportMqtt_Unsubscribe_DeviceMethod, /*pfIoTHubTransport_Unsubscribe_DeviceMethod IoTHubTransport_Unsubscribe_DeviceMethod;*/
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187 | IoTHubTransportMqtt_DeviceMethod_Response, /*pfIoTHubTransport_DeviceMethod_Response IoTHubTransport_DeviceMethod_Response;*/
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188 | IoTHubTransportMqtt_Subscribe_DeviceTwin, /*pfIoTHubTransport_Subscribe_DeviceTwin IoTHubTransport_Subscribe_DeviceTwin;*/
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189 | IoTHubTransportMqtt_Unsubscribe_DeviceTwin, /*pfIoTHubTransport_Unsubscribe_DeviceTwin IoTHubTransport_Unsubscribe_DeviceTwin;*/
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190 | IoTHubTransportMqtt_ProcessItem, /*pfIoTHubTransport_ProcessItem IoTHubTransport_ProcessItem;*/
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191 | IoTHubTransportMqtt_GetHostname, /*pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname;*/
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192 | IoTHubTransportMqtt_SetOption, /*pfIoTHubTransport_SetOption IoTHubTransport_SetOption;*/
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193 | IoTHubTransportMqtt_Create, /*pfIoTHubTransport_Create IoTHubTransport_Create;*/
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194 | IoTHubTransportMqtt_Destroy, /*pfIoTHubTransport_Destroy IoTHubTransport_Destroy;*/
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195 | IoTHubTransportMqtt_Register, /*pfIotHubTransport_Register IoTHubTransport_Register;*/
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196 | IoTHubTransportMqtt_Unregister, /*pfIotHubTransport_Unregister IoTHubTransport_Unegister;*/
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197 | IoTHubTransportMqtt_Subscribe, /*pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe;*/
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198 | IoTHubTransportMqtt_Unsubscribe, /*pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe;*/
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199 | IoTHubTransportMqtt_DoWork, /*pfIoTHubTransport_DoWork IoTHubTransport_DoWork;*/
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200 | IoTHubTransportMqtt_SetRetryPolicy, /*pfIoTHubTransport_DoWork IoTHubTransport_SetRetryPolicy;*/
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201 | IoTHubTransportMqtt_GetSendStatus, /*pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus;*/
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202 | IotHubTransportMqtt_Subscribe_InputQueue, /*pfIoTHubTransport_Subscribe_InputQueue IoTHubTransport_Subscribe_InputQueue; */
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203 | IotHubTransportMqtt_Unsubscribe_InputQueue, /*pfIoTHubTransport_Unsubscribe_InputQueue IoTHubTransport_Unsubscribe_InputQueue; */
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204 | IotHubTransportMqtt_SetCallbackContext, /*pfIoTHubTransport_SetCallbackContext IoTHubTransport_SetCallbackContext; */
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205 | IoTHubTransportMqtt_GetTwinAsync, /*pfIoTHubTransport_GetTwinAsync IoTHubTransport_GetTwinAsync;*/
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206 | IotHubTransportMqtt_GetSupportedPlatformInfo /*pfIoTHubTransport_GetSupportedPlatformInfo IoTHubTransport_GetSupportedPlatformInfo;*/
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207 | };
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208 |
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209 | /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_022: [This function shall return a pointer to a structure of type TRANSPORT_PROVIDER */
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210 | extern const TRANSPORT_PROVIDER* MQTT_Protocol(void)
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211 | {
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212 | return &myfunc;
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213 | }
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