// Copyright (c) Microsoft. All rights reserved. // Licensed under the MIT license. See LICENSE file in the project root for full license information. #include "iothubtransportamqp_websockets.h" #include "azure_c_shared_utility/wsio.h" #include "internal/iothubtransport_amqp_common.h" #include "azure_c_shared_utility/tlsio.h" #include "azure_c_shared_utility/http_proxy_io.h" #include "azure_c_shared_utility/platform.h" #include "azure_c_shared_utility/shared_util_options.h" #define DEFAULT_WS_PROTOCOL_NAME "AMQPWSB10" #define DEFAULT_WS_RELATIVE_PATH "/$iothub/websocket" #define DEFAULT_WS_PORT 443 static XIO_HANDLE getWebSocketsIOTransport(const char* fqdn, const AMQP_TRANSPORT_PROXY_OPTIONS* amqp_transport_proxy_options) { WSIO_CONFIG ws_io_config; TLSIO_CONFIG tls_io_config; HTTP_PROXY_IO_CONFIG http_proxy_io_config; const IO_INTERFACE_DESCRIPTION* io_interface_description = wsio_get_interface_description(); XIO_HANDLE result; if (io_interface_description == NULL) { LogError("Failure constructing the provider interface"); result = NULL; } else { ws_io_config.hostname = fqdn; ws_io_config.port = DEFAULT_WS_PORT; ws_io_config.protocol = DEFAULT_WS_PROTOCOL_NAME; ws_io_config.resource_name = DEFAULT_WS_RELATIVE_PATH; ws_io_config.underlying_io_interface = platform_get_default_tlsio(); if (ws_io_config.underlying_io_interface == NULL) { ws_io_config.underlying_io_parameters = NULL; } else { ws_io_config.underlying_io_parameters = &tls_io_config; tls_io_config.hostname = fqdn; tls_io_config.port = DEFAULT_WS_PORT; if (amqp_transport_proxy_options != NULL) { tls_io_config.underlying_io_interface = http_proxy_io_get_interface_description(); if (tls_io_config.underlying_io_interface == NULL) { tls_io_config.underlying_io_parameters = NULL; } else { tls_io_config.underlying_io_parameters = &http_proxy_io_config; http_proxy_io_config.proxy_hostname = amqp_transport_proxy_options->host_address; http_proxy_io_config.proxy_port = amqp_transport_proxy_options->port; http_proxy_io_config.username = amqp_transport_proxy_options->username; http_proxy_io_config.password = amqp_transport_proxy_options->password; http_proxy_io_config.hostname = fqdn; http_proxy_io_config.port = DEFAULT_WS_PORT; } } else { tls_io_config.underlying_io_interface = NULL; tls_io_config.underlying_io_parameters = NULL; } } result = xio_create(io_interface_description, &ws_io_config); } return result; } // API functions static TRANSPORT_LL_HANDLE IoTHubTransportAMQP_WS_Create(const IOTHUBTRANSPORT_CONFIG* config, TRANSPORT_CALLBACKS_INFO* cb_info, void* ctx) { return IoTHubTransport_AMQP_Common_Create(config, getWebSocketsIOTransport, cb_info, ctx); } static IOTHUB_PROCESS_ITEM_RESULT IoTHubTransportAMQP_WS_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item) { return IoTHubTransport_AMQP_Common_ProcessItem(handle, item_type, iothub_item); } static void IoTHubTransportAMQP_WS_DoWork(TRANSPORT_LL_HANDLE handle) { IoTHubTransport_AMQP_Common_DoWork(handle); } static int IoTHubTransportAMQP_WS_Subscribe(IOTHUB_DEVICE_HANDLE handle) { return IoTHubTransport_AMQP_Common_Subscribe(handle); } static void IoTHubTransportAMQP_WS_Unsubscribe(IOTHUB_DEVICE_HANDLE handle) { IoTHubTransport_AMQP_Common_Unsubscribe(handle); } static int IoTHubTransportAMQP_WS_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle) { return IoTHubTransport_AMQP_Common_Subscribe_DeviceTwin(handle); } static void IoTHubTransportAMQP_WS_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle) { IoTHubTransport_AMQP_Common_Unsubscribe_DeviceTwin(handle); } static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_WS_GetTwinAsync(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_DEVICE_TWIN_CALLBACK completionCallback, void* callbackContext) { return IoTHubTransport_AMQP_Common_GetTwinAsync(handle, completionCallback, callbackContext); } static int IoTHubTransportAMQP_WS_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle) { return IoTHubTransport_AMQP_Common_Subscribe_DeviceMethod(handle); } static void IoTHubTransportAMQP_WS_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle) { IoTHubTransport_AMQP_Common_Unsubscribe_DeviceMethod(handle); } static int IoTHubTransportAMQP_WS_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t response_size, int status_response) { return IoTHubTransport_AMQP_Common_DeviceMethod_Response(handle, methodId, response, response_size, status_response); } static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_WS_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus) { return IoTHubTransport_AMQP_Common_GetSendStatus(handle, iotHubClientStatus); } static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_WS_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value) { return IoTHubTransport_AMQP_Common_SetOption(handle, option, value); } static IOTHUB_DEVICE_HANDLE IoTHubTransportAMQP_WS_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, PDLIST_ENTRY waitingToSend) { return IoTHubTransport_AMQP_Common_Register(handle, device, waitingToSend); } static void IoTHubTransportAMQP_WS_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle) { IoTHubTransport_AMQP_Common_Unregister(deviceHandle); } static void IoTHubTransportAMQP_WS_Destroy(TRANSPORT_LL_HANDLE handle) { IoTHubTransport_AMQP_Common_Destroy(handle); } static int IoTHubTransportAMQP_WS_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds) { return IoTHubTransport_AMQP_Common_SetRetryPolicy(handle, retryPolicy, retryTimeoutLimitInSeconds); } static STRING_HANDLE IoTHubTransportAMQP_WS_GetHostname(TRANSPORT_LL_HANDLE handle) { return IoTHubTransport_AMQP_Common_GetHostname(handle); } static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_WS_SendMessageDisposition(IOTHUB_DEVICE_HANDLE handle, IOTHUB_MESSAGE_HANDLE message_handle, IOTHUBMESSAGE_DISPOSITION_RESULT disposition) { return IoTHubTransport_AMQP_Common_SendMessageDisposition(handle, message_handle, disposition); } static int IotHubTransportAMQP_WS_Subscribe_InputQueue(IOTHUB_DEVICE_HANDLE handle) { (void)handle; LogError("AMQP WS does not support input queues"); return (int)-1; } static void IotHubTransportAMQP_WS_Unsubscribe_InputQueue(IOTHUB_DEVICE_HANDLE handle) { (void)handle; LogError("AMQP WS does not support input queues"); } static int IoTHubTransportAMQP_WS_SetCallbackContext(TRANSPORT_LL_HANDLE handle, void* ctx) { return IoTHubTransport_AMQP_SetCallbackContext(handle, ctx); } static int IoTHubTransportAMQP_WS_GetSupportedPlatformInfo(TRANSPORT_LL_HANDLE handle, PLATFORM_INFO_OPTION* info) { return IoTHubTransport_AMQP_Common_GetSupportedPlatformInfo(handle, info); } static TRANSPORT_PROVIDER thisTransportProvider_WebSocketsOverTls = { IoTHubTransportAMQP_WS_SendMessageDisposition, /*pfIotHubTransport_Send_Message_Disposition IoTHubTransport_Send_Message_Disposition;*/ IoTHubTransportAMQP_WS_Subscribe_DeviceMethod, /*pfIoTHubTransport_Subscribe_DeviceMethod IoTHubTransport_Subscribe_DeviceMethod;*/ IoTHubTransportAMQP_WS_Unsubscribe_DeviceMethod, /*pfIoTHubTransport_Unsubscribe_DeviceMethod IoTHubTransport_Unsubscribe_DeviceMethod;*/ IoTHubTransportAMQP_WS_DeviceMethod_Response, IoTHubTransportAMQP_WS_Subscribe_DeviceTwin, /*pfIoTHubTransport_Subscribe_DeviceTwin IoTHubTransport_Subscribe_DeviceTwin;*/ IoTHubTransportAMQP_WS_Unsubscribe_DeviceTwin, /*pfIoTHubTransport_Unsubscribe_DeviceTwin IoTHubTransport_Unsubscribe_DeviceTwin;*/ IoTHubTransportAMQP_WS_ProcessItem, /*pfIoTHubTransport_ProcessItem IoTHubTransport_ProcessItem;*/ IoTHubTransportAMQP_WS_GetHostname, /*pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname;*/ IoTHubTransportAMQP_WS_SetOption, /*pfIoTHubTransport_SetOption IoTHubTransport_SetOption;*/ IoTHubTransportAMQP_WS_Create, /*pfIoTHubTransport_Create IoTHubTransport_Create;*/ IoTHubTransportAMQP_WS_Destroy, /*pfIoTHubTransport_Destroy IoTHubTransport_Destroy;*/ IoTHubTransportAMQP_WS_Register, /*pfIotHubTransport_Register IoTHubTransport_Register;*/ IoTHubTransportAMQP_WS_Unregister, /*pfIotHubTransport_Unregister IoTHubTransport_Unregister;*/ IoTHubTransportAMQP_WS_Subscribe, /*pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe;*/ IoTHubTransportAMQP_WS_Unsubscribe, /*pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe;*/ IoTHubTransportAMQP_WS_DoWork, /*pfIoTHubTransport_DoWork IoTHubTransport_DoWork;*/ IoTHubTransportAMQP_WS_SetRetryPolicy, /*pfIoTHubTransport_SetRetryLogic IoTHubTransport_SetRetryPolicy;*/ IoTHubTransportAMQP_WS_GetSendStatus, /*pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus;*/ IotHubTransportAMQP_WS_Subscribe_InputQueue, /*pfIoTHubTransport_Subscribe_InputQueue IoTHubTransport_Subscribe_InputQueue; */ IotHubTransportAMQP_WS_Unsubscribe_InputQueue, /*pfIoTHubTransport_Unsubscribe_InputQueue IoTHubTransport_Unsubscribe_InputQueue; */ IoTHubTransportAMQP_WS_SetCallbackContext, /*pfIoTHubTransport_SetCallbackContext IoTHubTransport_SetCallbackContext; */ IoTHubTransportAMQP_WS_GetTwinAsync, /*pfIoTHubTransport_GetTwinAsync IoTHubTransport_GetTwinAsync;*/ IoTHubTransportAMQP_WS_GetSupportedPlatformInfo /*pfIoTHubTransport_GetSupportedPlatformInfo IoTHubTransport_GetSupportedPlatformInfo;*/ }; extern const TRANSPORT_PROVIDER* AMQP_Protocol_over_WebSocketsTls(void) { return &thisTransportProvider_WebSocketsOverTls; }