Microsoft Azure IoTHub client libraries
Dependents: sht15_remote_monitoring RobotArmDemo iothub_client_sample_amqp f767zi_mqtt ... more
This library implements the Microsoft Azure IoTHub client library. The code is replicated from https://github.com/Azure/azure-iot-sdks
iothub_client.c
- Committer:
- AzureIoTClient
- Date:
- 2018-02-15
- Revision:
- 83:18ccaa6567d0
- Parent:
- 82:f94e6bed4495
- Child:
- 88:248736be106e
File content as of revision 83:18ccaa6567d0:
// Copyright (c) Microsoft. All rights reserved. // Licensed under the MIT license. See LICENSE file in the project root for full license information. #include <stdlib.h> #include "azure_c_shared_utility/umock_c_prod.h" #include "azure_c_shared_utility/gballoc.h" #include <signal.h> #include <stddef.h> #include "azure_c_shared_utility/optimize_size.h" #include "azure_c_shared_utility/crt_abstractions.h" #include "iothub_client.h" #include "iothub_client_ll.h" #include "iothub_client_private.h" #include "iothubtransport.h" #include "azure_c_shared_utility/threadapi.h" #include "azure_c_shared_utility/lock.h" #include "azure_c_shared_utility/xlogging.h" #include "azure_c_shared_utility/singlylinkedlist.h" #include "azure_c_shared_utility/vector.h" #ifdef USE_PROV_MODULE #include "iothub_client_hsm_ll.h" #endif struct IOTHUB_QUEUE_CONTEXT_TAG; typedef struct IOTHUB_CLIENT_INSTANCE_TAG { IOTHUB_CLIENT_LL_HANDLE IoTHubClientLLHandle; TRANSPORT_HANDLE TransportHandle; THREAD_HANDLE ThreadHandle; LOCK_HANDLE LockHandle; sig_atomic_t StopThread; #ifndef DONT_USE_UPLOADTOBLOB SINGLYLINKEDLIST_HANDLE savedDataToBeCleaned; /*list containing UPLOADTOBLOB_SAVED_DATA*/ #endif int created_with_transport_handle; VECTOR_HANDLE saved_user_callback_list; IOTHUB_CLIENT_DEVICE_TWIN_CALLBACK desired_state_callback; IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK event_confirm_callback; IOTHUB_CLIENT_REPORTED_STATE_CALLBACK reported_state_callback; IOTHUB_CLIENT_CONNECTION_STATUS_CALLBACK connection_status_callback; IOTHUB_CLIENT_DEVICE_METHOD_CALLBACK_ASYNC device_method_callback; IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK inbound_device_method_callback; IOTHUB_CLIENT_MESSAGE_CALLBACK_ASYNC message_callback; struct IOTHUB_QUEUE_CONTEXT_TAG* devicetwin_user_context; struct IOTHUB_QUEUE_CONTEXT_TAG* connection_status_user_context; struct IOTHUB_QUEUE_CONTEXT_TAG* message_user_context; struct IOTHUB_QUEUE_CONTEXT_TAG* method_user_context; } IOTHUB_CLIENT_INSTANCE; #ifndef DONT_USE_UPLOADTOBLOB typedef struct UPLOADTOBLOB_SAVED_DATA_TAG { unsigned char* source; size_t size; IOTHUB_CLIENT_FILE_UPLOAD_CALLBACK iotHubClientFileUploadCallback; }UPLOADTOBLOB_SAVED_DATA; typedef struct UPLOADTOBLOB_MULTIBLOCK_SAVED_DATA_TAG { IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK getDataCallback; IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK_EX getDataCallbackEx; }UPLOADTOBLOB_MULTIBLOCK_SAVED_DATA; typedef struct UPLOADTOBLOB_THREAD_INFO_TAG { char* destinationFileName; THREAD_HANDLE uploadingThreadHandle; LOCK_HANDLE lockGarbage; int canBeGarbageCollected; /*flag indicating that the UPLOADTOBLOB_SAVED_DATA structure can be freed because the thread deadling with it finished*/ IOTHUB_CLIENT_HANDLE iotHubClientHandle; void* context; UPLOADTOBLOB_SAVED_DATA uploadBlobSavedData; UPLOADTOBLOB_MULTIBLOCK_SAVED_DATA uploadBlobMultiblockSavedData; }UPLOADTOBLOB_THREAD_INFO; #endif #define USER_CALLBACK_TYPE_VALUES \ CALLBACK_TYPE_DEVICE_TWIN, \ CALLBACK_TYPE_EVENT_CONFIRM, \ CALLBACK_TYPE_REPORTED_STATE, \ CALLBACK_TYPE_CONNECTION_STATUS, \ CALLBACK_TYPE_DEVICE_METHOD, \ CALLBACK_TYPE_INBOUD_DEVICE_METHOD, \ CALLBACK_TYPE_MESSAGE DEFINE_ENUM(USER_CALLBACK_TYPE, USER_CALLBACK_TYPE_VALUES) DEFINE_ENUM_STRINGS(USER_CALLBACK_TYPE, USER_CALLBACK_TYPE_VALUES) typedef struct DEVICE_TWIN_CALLBACK_INFO_TAG { DEVICE_TWIN_UPDATE_STATE update_state; unsigned char* payLoad; size_t size; } DEVICE_TWIN_CALLBACK_INFO; typedef struct EVENT_CONFIRM_CALLBACK_INFO_TAG { IOTHUB_CLIENT_CONFIRMATION_RESULT confirm_result; } EVENT_CONFIRM_CALLBACK_INFO; typedef struct REPORTED_STATE_CALLBACK_INFO_TAG { int status_code; } REPORTED_STATE_CALLBACK_INFO; typedef struct CONNECTION_STATUS_CALLBACK_INFO_TAG { IOTHUB_CLIENT_CONNECTION_STATUS connection_status; IOTHUB_CLIENT_CONNECTION_STATUS_REASON status_reason; } CONNECTION_STATUS_CALLBACK_INFO; typedef struct METHOD_CALLBACK_INFO_TAG { STRING_HANDLE method_name; BUFFER_HANDLE payload; METHOD_HANDLE method_id; } METHOD_CALLBACK_INFO; typedef struct USER_CALLBACK_INFO_TAG { USER_CALLBACK_TYPE type; void* userContextCallback; union IOTHUB_CALLBACK { DEVICE_TWIN_CALLBACK_INFO dev_twin_cb_info; EVENT_CONFIRM_CALLBACK_INFO event_confirm_cb_info; REPORTED_STATE_CALLBACK_INFO reported_state_cb_info; CONNECTION_STATUS_CALLBACK_INFO connection_status_cb_info; METHOD_CALLBACK_INFO method_cb_info; MESSAGE_CALLBACK_INFO* message_cb_info; } iothub_callback; } USER_CALLBACK_INFO; typedef struct IOTHUB_QUEUE_CONTEXT_TAG { IOTHUB_CLIENT_INSTANCE* iotHubClientHandle; void* userContextCallback; } IOTHUB_QUEUE_CONTEXT; /*used by unittests only*/ const size_t IoTHubClient_ThreadTerminationOffset = offsetof(IOTHUB_CLIENT_INSTANCE, StopThread); #ifndef DONT_USE_UPLOADTOBLOB static void freeUploadToBlobThreadInfo(UPLOADTOBLOB_THREAD_INFO* threadInfo) { Lock_Deinit(threadInfo->lockGarbage); free(threadInfo->uploadBlobSavedData.source); free(threadInfo->destinationFileName); free(threadInfo); } /*this function is called from _Destroy and from ScheduleWork_Thread to join finished blobUpload threads and free that memory*/ static void garbageCollectorImpl(IOTHUB_CLIENT_INSTANCE* iotHubClientInstance) { /*see if any savedData structures can be disposed of*/ /*Codes_SRS_IOTHUBCLIENT_02_072: [ All threads marked as disposable (upon completion of a file upload) shall be joined and the data structures build for them shall be freed. ]*/ LIST_ITEM_HANDLE item = singlylinkedlist_get_head_item(iotHubClientInstance->savedDataToBeCleaned); while (item != NULL) { UPLOADTOBLOB_THREAD_INFO* threadInfo = (UPLOADTOBLOB_THREAD_INFO*)singlylinkedlist_item_get_value(item); LIST_ITEM_HANDLE old_item = item; item = singlylinkedlist_get_next_item(item); if (Lock(threadInfo->lockGarbage) != LOCK_OK) { LogError("unable to Lock"); } else { if (threadInfo->canBeGarbageCollected == 1) { int notUsed; if (ThreadAPI_Join(threadInfo->uploadingThreadHandle, ¬Used) != THREADAPI_OK) { LogError("unable to ThreadAPI_Join"); } (void)singlylinkedlist_remove(iotHubClientInstance->savedDataToBeCleaned, old_item); if (Unlock(threadInfo->lockGarbage) != LOCK_OK) { LogError("unable to unlock after locking"); } freeUploadToBlobThreadInfo(threadInfo); } else { if (Unlock(threadInfo->lockGarbage) != LOCK_OK) { LogError("unable to unlock after locking"); } } } } } #endif static bool iothub_ll_message_callback(MESSAGE_CALLBACK_INFO* messageData, void* userContextCallback) { bool result; IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; if (queue_context == NULL) { LogError("invalid parameter userContextCallback(NULL)"); result = false; } else { USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_MESSAGE; queue_cb_info.userContextCallback = queue_context->userContextCallback; queue_cb_info.iothub_callback.message_cb_info = messageData; if (VECTOR_push_back(queue_context->iotHubClientHandle->saved_user_callback_list, &queue_cb_info, 1) == 0) { result = true; } else { LogError("message callback vector push failed."); result = false; } } return result; } static int make_method_calback_queue_context(USER_CALLBACK_INFO* queue_cb_info, const char* method_name, const unsigned char* payload, size_t size, METHOD_HANDLE method_id, IOTHUB_QUEUE_CONTEXT* queue_context) { int result; /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [ IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK shall copy the method_name and payload. ] */ queue_cb_info->userContextCallback = queue_context->userContextCallback; queue_cb_info->iothub_callback.method_cb_info.method_id = method_id; if ((queue_cb_info->iothub_callback.method_cb_info.method_name = STRING_construct(method_name)) == NULL) { /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [ If a failure is encountered IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK shall return a non-NULL value. ]*/ LogError("STRING_construct failed"); result = __FAILURE__; } else { if ((queue_cb_info->iothub_callback.method_cb_info.payload = BUFFER_create(payload, size)) == NULL) { STRING_delete(queue_cb_info->iothub_callback.method_cb_info.method_name); /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [ If a failure is encountered IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK shall return a non-NULL value. ]*/ LogError("BUFFER_create failed"); result = __FAILURE__; } else { if (VECTOR_push_back(queue_context->iotHubClientHandle->saved_user_callback_list, queue_cb_info, 1) == 0) { result = 0; } else { STRING_delete(queue_cb_info->iothub_callback.method_cb_info.method_name); BUFFER_delete(queue_cb_info->iothub_callback.method_cb_info.payload); /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [ If a failure is encountered IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK shall return a non-NULL value. ]*/ LogError("VECTOR_push_back failed"); result = __FAILURE__; } } } return result; } static int iothub_ll_device_method_callback(const char* method_name, const unsigned char* payload, size_t size, METHOD_HANDLE method_id, void* userContextCallback) { int result; /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [ if userContextCallback is NULL, IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK shall return a nonNULL value. ] */ if (userContextCallback == NULL) { LogError("invalid parameter userContextCallback(NULL)"); result = __FAILURE__; } else { IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_DEVICE_METHOD; result = make_method_calback_queue_context(&queue_cb_info, method_name, payload, size, method_id, queue_context); if (result != 0) { LogError("construction of method calback queue context failed"); result = __FAILURE__; } } return result; } static int iothub_ll_inbound_device_method_callback(const char* method_name, const unsigned char* payload, size_t size, METHOD_HANDLE method_id, void* userContextCallback) { int result; /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [ if userContextCallback is NULL, IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK shall return a nonNULL value. ] */ if (userContextCallback == NULL) { LogError("invalid parameter userContextCallback(NULL)"); result = __FAILURE__; } else { IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_INBOUD_DEVICE_METHOD; result = make_method_calback_queue_context(&queue_cb_info, method_name, payload, size, method_id, queue_context); if (result != 0) { LogError("construction of method calback queue context failed"); result = __FAILURE__; } } return result; } static void iothub_ll_connection_status_callback(IOTHUB_CLIENT_CONNECTION_STATUS result, IOTHUB_CLIENT_CONNECTION_STATUS_REASON reason, void* userContextCallback) { IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; if (queue_context != NULL) { USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_CONNECTION_STATUS; queue_cb_info.userContextCallback = queue_context->userContextCallback; queue_cb_info.iothub_callback.connection_status_cb_info.status_reason = reason; queue_cb_info.iothub_callback.connection_status_cb_info.connection_status = result; if (VECTOR_push_back(queue_context->iotHubClientHandle->saved_user_callback_list, &queue_cb_info, 1) != 0) { LogError("connection status callback vector push failed."); } } } static void iothub_ll_event_confirm_callback(IOTHUB_CLIENT_CONFIRMATION_RESULT result, void* userContextCallback) { IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; if (queue_context != NULL) { USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_EVENT_CONFIRM; queue_cb_info.userContextCallback = queue_context->userContextCallback; queue_cb_info.iothub_callback.event_confirm_cb_info.confirm_result = result; if (VECTOR_push_back(queue_context->iotHubClientHandle->saved_user_callback_list, &queue_cb_info, 1) != 0) { LogError("event confirm callback vector push failed."); } free(queue_context); } } static void iothub_ll_reported_state_callback(int status_code, void* userContextCallback) { IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; if (queue_context != NULL) { USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_REPORTED_STATE; queue_cb_info.userContextCallback = queue_context->userContextCallback; queue_cb_info.iothub_callback.reported_state_cb_info.status_code = status_code; if (VECTOR_push_back(queue_context->iotHubClientHandle->saved_user_callback_list, &queue_cb_info, 1) != 0) { LogError("reported state callback vector push failed."); } free(queue_context); } } static void iothub_ll_device_twin_callback(DEVICE_TWIN_UPDATE_STATE update_state, const unsigned char* payLoad, size_t size, void* userContextCallback) { IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)userContextCallback; if (queue_context != NULL) { int push_to_vector; USER_CALLBACK_INFO queue_cb_info; queue_cb_info.type = CALLBACK_TYPE_DEVICE_TWIN; queue_cb_info.userContextCallback = queue_context->userContextCallback; queue_cb_info.iothub_callback.dev_twin_cb_info.update_state = update_state; if (payLoad == NULL) { queue_cb_info.iothub_callback.dev_twin_cb_info.payLoad = NULL; queue_cb_info.iothub_callback.dev_twin_cb_info.size = 0; push_to_vector = 0; } else { queue_cb_info.iothub_callback.dev_twin_cb_info.payLoad = (unsigned char*)malloc(size); if (queue_cb_info.iothub_callback.dev_twin_cb_info.payLoad == NULL) { LogError("failure allocating payload in device twin callback."); queue_cb_info.iothub_callback.dev_twin_cb_info.size = 0; push_to_vector = __FAILURE__; } else { (void)memcpy(queue_cb_info.iothub_callback.dev_twin_cb_info.payLoad, payLoad, size); queue_cb_info.iothub_callback.dev_twin_cb_info.size = size; push_to_vector = 0; } } if (push_to_vector == 0) { if (VECTOR_push_back(queue_context->iotHubClientHandle->saved_user_callback_list, &queue_cb_info, 1) != 0) { if (queue_cb_info.iothub_callback.dev_twin_cb_info.payLoad != NULL) { free(queue_cb_info.iothub_callback.dev_twin_cb_info.payLoad); } LogError("device twin callback userContextCallback vector push failed."); } } } else { LogError("device twin callback userContextCallback NULL"); } } static void dispatch_user_callbacks(IOTHUB_CLIENT_INSTANCE* iotHubClientInstance, VECTOR_HANDLE call_backs) { size_t callbacks_length = VECTOR_size(call_backs); size_t index; IOTHUB_CLIENT_DEVICE_TWIN_CALLBACK desired_state_callback = NULL; IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK event_confirm_callback = NULL; IOTHUB_CLIENT_REPORTED_STATE_CALLBACK reported_state_callback = NULL; IOTHUB_CLIENT_CONNECTION_STATUS_CALLBACK connection_status_callback = NULL; IOTHUB_CLIENT_DEVICE_METHOD_CALLBACK_ASYNC device_method_callback = NULL; IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK inbound_device_method_callback = NULL; IOTHUB_CLIENT_MESSAGE_CALLBACK_ASYNC message_callback = NULL; IOTHUB_CLIENT_HANDLE message_user_context_handle = NULL; IOTHUB_CLIENT_HANDLE method_user_context_handle = NULL; // Make a local copy of these callbacks, as we don't run with a lock held and iotHubClientInstance may change mid-run. if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { LogError("failed locking for dispatch_user_callbacks"); } else { desired_state_callback = iotHubClientInstance->desired_state_callback; event_confirm_callback = iotHubClientInstance->event_confirm_callback; reported_state_callback = iotHubClientInstance->reported_state_callback; connection_status_callback = iotHubClientInstance->connection_status_callback; device_method_callback = iotHubClientInstance->device_method_callback; inbound_device_method_callback = iotHubClientInstance->inbound_device_method_callback; message_callback = iotHubClientInstance->message_callback; if (iotHubClientInstance->method_user_context) { method_user_context_handle = iotHubClientInstance->method_user_context->iotHubClientHandle; } if (iotHubClientInstance->message_user_context) { message_user_context_handle = iotHubClientInstance->message_user_context->iotHubClientHandle; } (void)Unlock(iotHubClientInstance->LockHandle); } for (index = 0; index < callbacks_length; index++) { USER_CALLBACK_INFO* queued_cb = (USER_CALLBACK_INFO*)VECTOR_element(call_backs, index); if (queued_cb == NULL) { LogError("VECTOR_element at index %zd is NULL.", index); } else { switch (queued_cb->type) { case CALLBACK_TYPE_DEVICE_TWIN: { if (desired_state_callback) { desired_state_callback(queued_cb->iothub_callback.dev_twin_cb_info.update_state, queued_cb->iothub_callback.dev_twin_cb_info.payLoad, queued_cb->iothub_callback.dev_twin_cb_info.size, queued_cb->userContextCallback); } if (queued_cb->iothub_callback.dev_twin_cb_info.payLoad) { free(queued_cb->iothub_callback.dev_twin_cb_info.payLoad); } break; } case CALLBACK_TYPE_EVENT_CONFIRM: if (event_confirm_callback) { event_confirm_callback(queued_cb->iothub_callback.event_confirm_cb_info.confirm_result, queued_cb->userContextCallback); } break; case CALLBACK_TYPE_REPORTED_STATE: if (reported_state_callback) { reported_state_callback(queued_cb->iothub_callback.reported_state_cb_info.status_code, queued_cb->userContextCallback); } break; case CALLBACK_TYPE_CONNECTION_STATUS: if (connection_status_callback) { connection_status_callback(queued_cb->iothub_callback.connection_status_cb_info.connection_status, queued_cb->iothub_callback.connection_status_cb_info.status_reason, queued_cb->userContextCallback); } break; case CALLBACK_TYPE_DEVICE_METHOD: if (device_method_callback) { const char* method_name = STRING_c_str(queued_cb->iothub_callback.method_cb_info.method_name); const unsigned char* payload = BUFFER_u_char(queued_cb->iothub_callback.method_cb_info.payload); size_t payload_len = BUFFER_length(queued_cb->iothub_callback.method_cb_info.payload); unsigned char* payload_resp = NULL; size_t response_size = 0; int status = device_method_callback(method_name, payload, payload_len, &payload_resp, &response_size, queued_cb->userContextCallback); if (payload_resp && (response_size > 0)) { IOTHUB_CLIENT_RESULT result = IoTHubClient_DeviceMethodResponse(method_user_context_handle, queued_cb->iothub_callback.method_cb_info.method_id, (const unsigned char*)payload_resp, response_size, status); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_DeviceMethodResponse failed"); } } BUFFER_delete(queued_cb->iothub_callback.method_cb_info.payload); STRING_delete(queued_cb->iothub_callback.method_cb_info.method_name); if (payload_resp) { free(payload_resp); } } break; case CALLBACK_TYPE_INBOUD_DEVICE_METHOD: if (inbound_device_method_callback) { const char* method_name = STRING_c_str(queued_cb->iothub_callback.method_cb_info.method_name); const unsigned char* payload = BUFFER_u_char(queued_cb->iothub_callback.method_cb_info.payload); size_t payload_len = BUFFER_length(queued_cb->iothub_callback.method_cb_info.payload); inbound_device_method_callback(method_name, payload, payload_len, queued_cb->iothub_callback.method_cb_info.method_id, queued_cb->userContextCallback); BUFFER_delete(queued_cb->iothub_callback.method_cb_info.payload); STRING_delete(queued_cb->iothub_callback.method_cb_info.method_name); } break; case CALLBACK_TYPE_MESSAGE: if (message_callback) { IOTHUBMESSAGE_DISPOSITION_RESULT disposition = message_callback(queued_cb->iothub_callback.message_cb_info->messageHandle, queued_cb->userContextCallback); if (Lock(message_user_context_handle->LockHandle) == LOCK_OK) { IOTHUB_CLIENT_RESULT result = IoTHubClient_LL_SendMessageDisposition(message_user_context_handle->IoTHubClientLLHandle, queued_cb->iothub_callback.message_cb_info, disposition); (void)Unlock(message_user_context_handle->LockHandle); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SendMessageDisposition failed"); } } else { LogError("Lock failed"); } } break; default: LogError("Invalid callback type '%s'", ENUM_TO_STRING(USER_CALLBACK_TYPE, queued_cb->type)); break; } } } VECTOR_destroy(call_backs); } static void ScheduleWork_Thread_ForMultiplexing(void* iotHubClientHandle) { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; #ifndef DONT_USE_UPLOADTOBLOB garbageCollectorImpl(iotHubClientInstance); #endif if (Lock(iotHubClientInstance->LockHandle) == LOCK_OK) { VECTOR_HANDLE call_backs = VECTOR_move(iotHubClientInstance->saved_user_callback_list); (void)Unlock(iotHubClientInstance->LockHandle); if (call_backs == NULL) { LogError("Failed moving user callbacks"); } else { dispatch_user_callbacks(iotHubClientInstance, call_backs); } } else { LogError("failed locking for ScheduleWork_Thread_ForMultiplexing"); } } static int ScheduleWork_Thread(void* threadArgument) { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)threadArgument; while (1) { if (Lock(iotHubClientInstance->LockHandle) == LOCK_OK) { /*Codes_SRS_IOTHUBCLIENT_01_038: [ The thread shall exit when IoTHubClient_Destroy is called. ]*/ if (iotHubClientInstance->StopThread) { (void)Unlock(iotHubClientInstance->LockHandle); break; /*gets out of the thread*/ } else { /* Codes_SRS_IOTHUBCLIENT_01_037: [The thread created by IoTHubClient_SendEvent or IoTHubClient_SetMessageCallback shall call IoTHubClient_LL_DoWork every 1 ms.] */ /* Codes_SRS_IOTHUBCLIENT_01_039: [All calls to IoTHubClient_LL_DoWork shall be protected by the lock created in IotHubClient_Create.] */ IoTHubClient_LL_DoWork(iotHubClientInstance->IoTHubClientLLHandle); #ifndef DONT_USE_UPLOADTOBLOB garbageCollectorImpl(iotHubClientInstance); #endif VECTOR_HANDLE call_backs = VECTOR_move(iotHubClientInstance->saved_user_callback_list); (void)Unlock(iotHubClientInstance->LockHandle); if (call_backs == NULL) { LogError("VECTOR_move failed"); } else { dispatch_user_callbacks(iotHubClientInstance, call_backs); } } } else { /*Codes_SRS_IOTHUBCLIENT_01_040: [If acquiring the lock fails, IoTHubClient_LL_DoWork shall not be called.]*/ /*no code, shall retry*/ } (void)ThreadAPI_Sleep(1); } ThreadAPI_Exit(0); return 0; } static IOTHUB_CLIENT_RESULT StartWorkerThreadIfNeeded(IOTHUB_CLIENT_INSTANCE* iotHubClientInstance) { IOTHUB_CLIENT_RESULT result; if (iotHubClientInstance->TransportHandle == NULL) { if (iotHubClientInstance->ThreadHandle == NULL) { iotHubClientInstance->StopThread = 0; if (ThreadAPI_Create(&iotHubClientInstance->ThreadHandle, ScheduleWork_Thread, iotHubClientInstance) != THREADAPI_OK) { LogError("ThreadAPI_Create failed"); iotHubClientInstance->ThreadHandle = NULL; result = IOTHUB_CLIENT_ERROR; } else { result = IOTHUB_CLIENT_OK; } } else { result = IOTHUB_CLIENT_OK; } } else { /*Codes_SRS_IOTHUBCLIENT_17_012: [ If the transport connection is shared, the thread shall be started by calling IoTHubTransport_StartWorkerThread. ]*/ /*Codes_SRS_IOTHUBCLIENT_17_011: [ If the transport connection is shared, the thread shall be started by calling IoTHubTransport_StartWorkerThread*/ result = IoTHubTransport_StartWorkerThread(iotHubClientInstance->TransportHandle, iotHubClientInstance, ScheduleWork_Thread_ForMultiplexing); } return result; } static IOTHUB_CLIENT_INSTANCE* create_iothub_instance(const IOTHUB_CLIENT_CONFIG* config, TRANSPORT_HANDLE transportHandle, const char* connectionString, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol, const char* iothub_uri, const char* device_id) { /* Codes_SRS_IOTHUBCLIENT_12_020: [** `IoTHubClient_CreateFromDeviceAuth` shall allocate a new `IoTHubClient` instance. **] */ IOTHUB_CLIENT_INSTANCE* result = (IOTHUB_CLIENT_INSTANCE*)malloc(sizeof(IOTHUB_CLIENT_INSTANCE)); /* Codes_SRS_IOTHUBCLIENT_12_021: [** If allocating memory for the new `IoTHubClient` instance fails, then `IoTHubClient_CreateFromDeviceAuth` shall return `NULL`. **] */ /* Codes_SRS_IOTHUBCLIENT_01_004: [If allocating memory for the new IoTHubClient instance fails, then IoTHubClient_Create shall return NULL.] */ if (result != NULL) { /* Codes_SRS_IOTHUBCLIENT_01_029: [IoTHubClient_Create shall create a lock object to be used later for serializing IoTHubClient calls.] */ if ( (result->saved_user_callback_list = VECTOR_create(sizeof(USER_CALLBACK_INFO)) ) == NULL) { LogError("Failed creating VECTOR"); free(result); result = NULL; } else { #ifndef DONT_USE_UPLOADTOBLOB /*Codes_SRS_IOTHUBCLIENT_02_060: [ IoTHubClient_Create shall create a SINGLYLINKEDLIST_HANDLE containing THREAD_HANDLE (created by future calls to IoTHubClient_UploadToBlobAsync). ]*/ if ((result->savedDataToBeCleaned = singlylinkedlist_create()) == NULL) { /*Codes_SRS_IOTHUBCLIENT_02_061: [ If creating the SINGLYLINKEDLIST_HANDLE fails then IoTHubClient_Create shall fail and return NULL. ]*/ LogError("unable to singlylinkedlist_create"); VECTOR_destroy(result->saved_user_callback_list); free(result); result = NULL; } else #endif { result->TransportHandle = transportHandle; result->created_with_transport_handle = 0; if (config != NULL) { if (transportHandle != NULL) { /*Codes_SRS_IOTHUBCLIENT_17_005: [ IoTHubClient_CreateWithTransport shall call IoTHubTransport_GetLock to get the transport lock to be used later for serializing IoTHubClient calls. ]*/ result->LockHandle = IoTHubTransport_GetLock(transportHandle); if (result->LockHandle == NULL) { LogError("unable to IoTHubTransport_GetLock"); result->IoTHubClientLLHandle = NULL; } else { IOTHUB_CLIENT_DEVICE_CONFIG deviceConfig; deviceConfig.deviceId = config->deviceId; deviceConfig.deviceKey = config->deviceKey; deviceConfig.protocol = config->protocol; deviceConfig.deviceSasToken = config->deviceSasToken; /*Codes_SRS_IOTHUBCLIENT_17_003: [ IoTHubClient_CreateWithTransport shall call IoTHubTransport_GetLLTransport on transportHandle to get lower layer transport. ]*/ deviceConfig.transportHandle = IoTHubTransport_GetLLTransport(transportHandle); if (deviceConfig.transportHandle == NULL) { LogError("unable to IoTHubTransport_GetLLTransport"); result->IoTHubClientLLHandle = NULL; } else { if (Lock(result->LockHandle) != LOCK_OK) { LogError("unable to Lock"); result->IoTHubClientLLHandle = NULL; } else { /*Codes_SRS_IOTHUBCLIENT_17_007: [ IoTHubClient_CreateWithTransport shall instantiate a new IoTHubClient_LL instance by calling IoTHubClient_LL_CreateWithTransport and passing the lower layer transport and config argument. ]*/ result->IoTHubClientLLHandle = IoTHubClient_LL_CreateWithTransport(&deviceConfig); result->created_with_transport_handle = 1; if (Unlock(result->LockHandle) != LOCK_OK) { LogError("unable to Unlock"); result->IoTHubClientLLHandle = NULL; } } } } } else { result->LockHandle = Lock_Init(); if (result->LockHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_030: [If creating the lock fails, then IoTHubClient_Create shall return NULL.] */ /* Codes_SRS_IOTHUBCLIENT_01_031: [If IoTHubClient_Create fails, all resources allocated by it shall be freed.] */ LogError("Failure creating Lock object"); result->IoTHubClientLLHandle = NULL; } else { /* Codes_SRS_IOTHUBCLIENT_01_002: [IoTHubClient_Create shall instantiate a new IoTHubClient_LL instance by calling IoTHubClient_LL_Create and passing the config argument.] */ result->IoTHubClientLLHandle = IoTHubClient_LL_Create(config); } } } else if (iothub_uri != NULL) { #ifdef USE_PROV_MODULE /* Codes_SRS_IOTHUBCLIENT_12_022: [** `IoTHubClient_CreateFromDeviceAuth` shall create a lock object to be used later for serializing IoTHubClient calls. **] */ result->LockHandle = Lock_Init(); if (result->LockHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_12_023: [** If creating the lock fails, then IoTHubClient_CreateFromDeviceAuth shall return NULL. **] */ LogError("Failure creating Lock object"); result->IoTHubClientLLHandle = NULL; } else { /* Codes_SRS_IOTHUBCLIENT_12_025: [** `IoTHubClient_CreateFromDeviceAuth` shall instantiate a new `IoTHubClient_LL` instance by calling `IoTHubClient_LL_CreateFromDeviceAuth` and passing iothub_uri, device_id and protocol argument. **] */ result->IoTHubClientLLHandle = IoTHubClient_LL_CreateFromDeviceAuth(iothub_uri, device_id, protocol); } #else (void)device_id; LogError("Provisioning is not enabled for the build"); result->IoTHubClientLLHandle = NULL; #endif } else { result->LockHandle = Lock_Init(); if (result->LockHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_030: [If creating the lock fails, then IoTHubClient_Create shall return NULL.] */ /* Codes_SRS_IOTHUBCLIENT_01_031: [If IoTHubClient_Create fails, all resources allocated by it shall be freed.] */ LogError("Failure creating Lock object"); result->IoTHubClientLLHandle = NULL; } else { /* Codes_SRS_IOTHUBCLIENT_12_006: [IoTHubClient_CreateFromConnectionString shall instantiate a new IoTHubClient_LL instance by calling IoTHubClient_LL_CreateFromConnectionString and passing the connectionString] */ result->IoTHubClientLLHandle = IoTHubClient_LL_CreateFromConnectionString(connectionString, protocol); } } if (result->IoTHubClientLLHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_003: [If IoTHubClient_LL_Create fails, then IoTHubClient_Create shall return NULL.] */ /* Codes_SRS_IOTHUBCLIENT_01_031: [If IoTHubClient_Create fails, all resources allocated by it shall be freed.] */ /* Codes_SRS_IOTHUBCLIENT_17_006: [ If IoTHubTransport_GetLock fails, then IoTHubClient_CreateWithTransport shall return NULL. ]*/ if (transportHandle == NULL) { Lock_Deinit(result->LockHandle); } #ifndef DONT_USE_UPLOADTOBLOB singlylinkedlist_destroy(result->savedDataToBeCleaned); #endif LogError("Failure creating iothub handle"); VECTOR_destroy(result->saved_user_callback_list); free(result); result = NULL; } else { result->ThreadHandle = NULL; result->desired_state_callback = NULL; result->event_confirm_callback = NULL; result->reported_state_callback = NULL; result->devicetwin_user_context = NULL; result->connection_status_callback = NULL; result->connection_status_user_context = NULL; result->message_callback = NULL; result->message_user_context = NULL; result->method_user_context = NULL; } } } } return result; } IOTHUB_CLIENT_HANDLE IoTHubClient_CreateFromConnectionString(const char* connectionString, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol) { IOTHUB_CLIENT_INSTANCE* result; /* Codes_SRS_IOTHUBCLIENT_12_003: [IoTHubClient_CreateFromConnectionString shall verify all input parameters and if any is NULL then return NULL] */ if (connectionString == NULL) { LogError("Input parameter is NULL: connectionString"); result = NULL; } else if (protocol == NULL) { LogError("Input parameter is NULL: protocol"); result = NULL; } else { result = create_iothub_instance(NULL, NULL, connectionString, protocol, NULL, NULL); } return result; } IOTHUB_CLIENT_HANDLE IoTHubClient_Create(const IOTHUB_CLIENT_CONFIG* config) { IOTHUB_CLIENT_INSTANCE* result; if (config == NULL) { LogError("Input parameter is NULL: IOTHUB_CLIENT_CONFIG"); result = NULL; } else { result = create_iothub_instance(config, NULL, NULL, NULL, NULL, NULL); } return result; } IOTHUB_CLIENT_HANDLE IoTHubClient_CreateWithTransport(TRANSPORT_HANDLE transportHandle, const IOTHUB_CLIENT_CONFIG* config) { IOTHUB_CLIENT_INSTANCE* result; /*Codes_SRS_IOTHUBCLIENT_17_013: [ IoTHubClient_CreateWithTransport shall return NULL if transportHandle is NULL. ]*/ /*Codes_SRS_IOTHUBCLIENT_17_014: [ IoTHubClient_CreateWithTransport shall return NULL if config is NULL. ]*/ if (transportHandle == NULL || config == NULL) { LogError("invalid parameter TRANSPORT_HANDLE transportHandle=%p, const IOTHUB_CLIENT_CONFIG* config=%p", transportHandle, config); result = NULL; } else { result = create_iothub_instance(config, transportHandle, NULL, NULL, NULL, NULL); } return result; } IOTHUB_CLIENT_HANDLE IoTHubClient_CreateFromDeviceAuth(const char* iothub_uri, const char* device_id, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol) { IOTHUB_CLIENT_INSTANCE* result; /* Codes_SRS_IOTHUBCLIENT_12_019: [** `IoTHubClient_CreateFromDeviceAuth` shall verify the input parameters and if any of them `NULL` then return `NULL`. **] */ if (iothub_uri == NULL) { LogError("Input parameter is NULL: iothub_uri"); result = NULL; } else if (device_id == NULL) { LogError("Input parameter is NULL: device_id"); result = NULL; } else if (protocol == NULL) { LogError("Input parameter is NULL: protocol"); result = NULL; } else { /* Codes_SRS_IOTHUBCLIENT_12_020: [** `IoTHubClient_CreateFromDeviceAuth` shall allocate a new `IoTHubClient` instance. **] */ /* Codes_SRS_IOTHUBCLIENT_12_021: [** If allocating memory for the new `IoTHubClient` instance fails, then `IoTHubClient_CreateFromDeviceAuth` shall return `NULL`. **] */ /* Codes_SRS_IOTHUBCLIENT_12_022: [** `IoTHubClient_CreateFromDeviceAuth` shall create a lock object to be used later for serializing IoTHubClient calls. **] */ /* Codes_SRS_IOTHUBCLIENT_12_023: [** If creating the lock fails, then IoTHubClient_CreateFromDeviceAuth shall return NULL. **] */ /* Codes_SRS_IOTHUBCLIENT_12_024: [** If IoTHubClient_CreateFromDeviceAuth fails, all resources allocated by it shall be freed. **] */ /* Codes_SRS_IOTHUBCLIENT_12_025: [** `IoTHubClient_CreateFromDeviceAuth` shall instantiate a new `IoTHubClient_LL` instance by calling `IoTHubClient_LL_CreateFromDeviceAuth` and passing iothub_uri, device_id and protocol argument. **] */ result = create_iothub_instance(NULL, NULL, NULL, protocol, iothub_uri, device_id); } return result; } /* Codes_SRS_IOTHUBCLIENT_01_005: [IoTHubClient_Destroy shall free all resources associated with the iotHubClientHandle instance.] */ void IoTHubClient_Destroy(IOTHUB_CLIENT_HANDLE iotHubClientHandle) { /* Codes_SRS_IOTHUBCLIENT_01_008: [IoTHubClient_Destroy shall do nothing if parameter iotHubClientHandle is NULL.] */ if (iotHubClientHandle != NULL) { bool joinClientThread; bool joinTransportThread; size_t vector_size; IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; if (iotHubClientInstance->TransportHandle != NULL) { /*Codes_SRS_IOTHUBCLIENT_01_007: [ The thread created as part of executing IoTHubClient_SendEventAsync or IoTHubClient_SetNotificationMessageCallback shall be joined. ]*/ joinTransportThread = IoTHubTransport_SignalEndWorkerThread(iotHubClientInstance->TransportHandle, iotHubClientHandle); } else { joinTransportThread = false; } /*Codes_SRS_IOTHUBCLIENT_02_043: [ IoTHubClient_Destroy shall lock the serializing lock and signal the worker thread (if any) to end ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { LogError("unable to Lock - - will still proceed to try to end the thread without locking"); } if (iotHubClientInstance->ThreadHandle != NULL) { iotHubClientInstance->StopThread = 1; joinClientThread = true; } else { joinClientThread = false; } /*Codes_SRS_IOTHUBCLIENT_02_045: [ IoTHubClient_Destroy shall unlock the serializing lock. ]*/ if (Unlock(iotHubClientInstance->LockHandle) != LOCK_OK) { LogError("unable to Unlock"); } if (joinClientThread == true) { int res; /*Codes_SRS_IOTHUBCLIENT_01_007: [ The thread created as part of executing IoTHubClient_SendEventAsync or IoTHubClient_SetNotificationMessageCallback shall be joined. ]*/ if (ThreadAPI_Join(iotHubClientInstance->ThreadHandle, &res) != THREADAPI_OK) { LogError("ThreadAPI_Join failed"); } } if (joinTransportThread == true) { /*Codes_SRS_IOTHUBCLIENT_01_007: [ The thread created as part of executing IoTHubClient_SendEventAsync or IoTHubClient_SetNotificationMessageCallback shall be joined. ]*/ IoTHubTransport_JoinWorkerThread(iotHubClientInstance->TransportHandle, iotHubClientHandle); } if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { LogError("unable to Lock - - will still proceed to try to end the thread without locking"); } #ifndef DONT_USE_UPLOADTOBLOB /*Codes_SRS_IOTHUBCLIENT_02_069: [ IoTHubClient_Destroy shall free all data created by IoTHubClient_UploadToBlobAsync ]*/ /*wait for all uploading threads to finish*/ while (singlylinkedlist_get_head_item(iotHubClientInstance->savedDataToBeCleaned) != NULL) { garbageCollectorImpl(iotHubClientInstance); } if (iotHubClientInstance->savedDataToBeCleaned != NULL) { singlylinkedlist_destroy(iotHubClientInstance->savedDataToBeCleaned); } #endif /* Codes_SRS_IOTHUBCLIENT_01_006: [That includes destroying the IoTHubClient_LL instance by calling IoTHubClient_LL_Destroy.] */ IoTHubClient_LL_Destroy(iotHubClientInstance->IoTHubClientLLHandle); if (Unlock(iotHubClientInstance->LockHandle) != LOCK_OK) { LogError("unable to Unlock"); } vector_size = VECTOR_size(iotHubClientInstance->saved_user_callback_list); size_t index = 0; for (index = 0; index < vector_size; index++) { USER_CALLBACK_INFO* queue_cb_info = (USER_CALLBACK_INFO*)VECTOR_element(iotHubClientInstance->saved_user_callback_list, index); if (queue_cb_info != NULL) { if ((queue_cb_info->type == CALLBACK_TYPE_DEVICE_METHOD) || (queue_cb_info->type == CALLBACK_TYPE_INBOUD_DEVICE_METHOD)) { STRING_delete(queue_cb_info->iothub_callback.method_cb_info.method_name); BUFFER_delete(queue_cb_info->iothub_callback.method_cb_info.payload); } else if (queue_cb_info->type == CALLBACK_TYPE_DEVICE_TWIN) { if (queue_cb_info->iothub_callback.dev_twin_cb_info.payLoad != NULL) { free(queue_cb_info->iothub_callback.dev_twin_cb_info.payLoad); } } else if (queue_cb_info->type == CALLBACK_TYPE_EVENT_CONFIRM) { if (iotHubClientInstance->event_confirm_callback) { iotHubClientInstance->event_confirm_callback(queue_cb_info->iothub_callback.event_confirm_cb_info.confirm_result, queue_cb_info->userContextCallback); } } } } VECTOR_destroy(iotHubClientInstance->saved_user_callback_list); if (iotHubClientInstance->TransportHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_032: [If the lock was allocated in IoTHubClient_Create, it shall be also freed..] */ Lock_Deinit(iotHubClientInstance->LockHandle); } if (iotHubClientInstance->devicetwin_user_context != NULL) { free(iotHubClientInstance->devicetwin_user_context); } if (iotHubClientInstance->connection_status_user_context != NULL) { free(iotHubClientInstance->connection_status_user_context); } if (iotHubClientInstance->message_user_context != NULL) { free(iotHubClientInstance->message_user_context); } if (iotHubClientInstance->method_user_context != NULL) { free(iotHubClientInstance->method_user_context); } free(iotHubClientInstance); } } IOTHUB_CLIENT_RESULT IoTHubClient_SendEventAsync(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_MESSAGE_HANDLE eventMessageHandle, IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK eventConfirmationCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_011: [If iotHubClientHandle is NULL, IoTHubClient_SendEventAsync shall return IOTHUB_CLIENT_INVALID_ARG.] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_009: [IoTHubClient_SendEventAsync shall start the worker thread if it was not previously started.] */ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /* Codes_SRS_IOTHUBCLIENT_01_010: [If starting the thread fails, IoTHubClient_SendEventAsync shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /* Codes_SRS_IOTHUBCLIENT_01_025: [IoTHubClient_SendEventAsync shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_01_026: [If acquiring the lock fails, IoTHubClient_SendEventAsync shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->event_confirm_callback = eventConfirmationCallback; } if (iotHubClientInstance->created_with_transport_handle != 0 || eventConfirmationCallback == NULL) { result = IoTHubClient_LL_SendEventAsync(iotHubClientInstance->IoTHubClientLLHandle, eventMessageHandle, eventConfirmationCallback, userContextCallback); } else { /* Codes_SRS_IOTHUBCLIENT_07_001: [ IoTHubClient_SendEventAsync shall allocate a IOTHUB_QUEUE_CONTEXT object to be sent to the IoTHubClient_LL_SendEventAsync function as a user context. ] */ IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (queue_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { queue_context->iotHubClientHandle = iotHubClientInstance; queue_context->userContextCallback = userContextCallback; /* Codes_SRS_IOTHUBCLIENT_01_012: [IoTHubClient_SendEventAsync shall call IoTHubClient_LL_SendEventAsync, while passing the IoTHubClient_LL handle created by IoTHubClient_Create and the parameters eventMessageHandle, eventConfirmationCallback and userContextCallback.] */ /* Codes_SRS_IOTHUBCLIENT_01_013: [When IoTHubClient_LL_SendEventAsync is called, IoTHubClient_SendEventAsync shall return the result of IoTHubClient_LL_SendEventAsync.] */ result = IoTHubClient_LL_SendEventAsync(iotHubClientInstance->IoTHubClientLLHandle, eventMessageHandle, iothub_ll_event_confirm_callback, queue_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SendEventAsync failed"); free(queue_context); } } } /* Codes_SRS_IOTHUBCLIENT_01_025: [IoTHubClient_SendEventAsync shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_GetSendStatus(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_STATUS *iotHubClientStatus) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_023: [If iotHubClientHandle is NULL, IoTHubClient_ GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG.] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_033: [IoTHubClient_GetSendStatus shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_01_034: [If acquiring the lock fails, IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { /* Codes_SRS_IOTHUBCLIENT_01_022: [IoTHubClient_GetSendStatus shall call IoTHubClient_LL_GetSendStatus, while passing the IoTHubClient_LL handle created by IoTHubClient_Create and the parameter iotHubClientStatus.] */ /* Codes_SRS_IOTHUBCLIENT_01_024: [Otherwise, IoTHubClient_GetSendStatus shall return the result of IoTHubClient_LL_GetSendStatus.] */ result = IoTHubClient_LL_GetSendStatus(iotHubClientInstance->IoTHubClientLLHandle, iotHubClientStatus); /* Codes_SRS_IOTHUBCLIENT_01_033: [IoTHubClient_GetSendStatus shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ (void)Unlock(iotHubClientInstance->LockHandle); } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetMessageCallback(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_MESSAGE_CALLBACK_ASYNC messageCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_016: [If iotHubClientHandle is NULL, IoTHubClient_SetMessageCallback shall return IOTHUB_CLIENT_INVALID_ARG.] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_014: [IoTHubClient_SetMessageCallback shall start the worker thread if it was not previously started.] */ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /* Codes_SRS_IOTHUBCLIENT_01_015: [If starting the thread fails, IoTHubClient_SetMessageCallback shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /* Codes_SRS_IOTHUBCLIENT_01_027: [IoTHubClient_SetMessageCallback shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_01_028: [If acquiring the lock fails, IoTHubClient_SetMessageCallback shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->message_callback = messageCallback; } if (iotHubClientInstance->message_user_context != NULL) { free(iotHubClientInstance->message_user_context); iotHubClientInstance->message_user_context = NULL; } if (messageCallback == NULL) { result = IoTHubClient_LL_SetMessageCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, NULL, iotHubClientInstance->message_user_context); } else if (iotHubClientInstance->created_with_transport_handle != 0) { result = IoTHubClient_LL_SetMessageCallback(iotHubClientInstance->IoTHubClientLLHandle, messageCallback, userContextCallback); } else { iotHubClientInstance->message_user_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (iotHubClientInstance->message_user_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { iotHubClientInstance->message_user_context->iotHubClientHandle = iotHubClientHandle; iotHubClientInstance->message_user_context->userContextCallback = userContextCallback; /* Codes_SRS_IOTHUBCLIENT_01_017: [IoTHubClient_SetMessageCallback shall call IoTHubClient_LL_SetMessageCallback_Ex, while passing the IoTHubClient_LL handle created by IoTHubClient_Create and the local iothub_ll_message_callback wrapper of messageCallback and userContextCallback.] */ /* Codes_SRS_IOTHUBCLIENT_01_018: [When IoTHubClient_LL_SetMessageCallback_Ex is called, IoTHubClient_SetMessageCallback shall return the result of IoTHubClient_LL_SetMessageCallback_Ex.] */ result = IoTHubClient_LL_SetMessageCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_message_callback, iotHubClientInstance->message_user_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SetMessageCallback failed"); free(iotHubClientInstance->message_user_context); iotHubClientInstance->message_user_context = NULL; } } } /* Codes_SRS_IOTHUBCLIENT_01_027: [IoTHubClient_SetMessageCallback shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetConnectionStatusCallback(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_CONNECTION_STATUS_CALLBACK connectionStatusCallback, void * userContextCallback) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_25_076: [** If `iotHubClientHandle` is `NULL`, `IoTHubClient_SetRetryPolicy` shall return `IOTHUB_CLIENT_INVALID_ARG`. ] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_25_081: [ `IoTHubClient_SetConnectionStatusCallback` shall start the worker thread if it was not previously started. ]*/ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /* Codes_SRS_IOTHUBCLIENT_25_083: [ If starting the thread fails, `IoTHubClient_SetConnectionStatusCallback` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /* Codes_SRS_IOTHUBCLIENT_25_087: [ `IoTHubClient_SetConnectionStatusCallback` shall be made thread-safe by using the lock created in `IoTHubClient_Create`. ] */ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_25_088: [ If acquiring the lock fails, `IoTHubClient_SetConnectionStatusCallback` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->connection_status_callback = connectionStatusCallback; } if (iotHubClientInstance->created_with_transport_handle != 0 || connectionStatusCallback == NULL) { /* Codes_SRS_IOTHUBCLIENT_25_085: [ `IoTHubClient_SetConnectionStatusCallback` shall call `IoTHubClient_LL_SetConnectionStatusCallback`, while passing the `IoTHubClient_LL` handle created by `IoTHubClient_Create` and the parameters `connectionStatusCallback` and `userContextCallback`. ]*/ result = IoTHubClient_LL_SetConnectionStatusCallback(iotHubClientInstance->IoTHubClientLLHandle, connectionStatusCallback, userContextCallback); } else { if (iotHubClientInstance->connection_status_user_context != NULL) { free(iotHubClientInstance->connection_status_user_context); } iotHubClientInstance->connection_status_user_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (iotHubClientInstance->connection_status_user_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { iotHubClientInstance->connection_status_user_context->iotHubClientHandle = iotHubClientInstance; iotHubClientInstance->connection_status_user_context->userContextCallback = userContextCallback; /* Codes_SRS_IOTHUBCLIENT_25_085: [ `IoTHubClient_SetConnectionStatusCallback` shall call `IoTHubClient_LL_SetConnectionStatusCallback`, while passing the `IoTHubClient_LL` handle created by `IoTHubClient_Create` and the parameters `connectionStatusCallback` and `userContextCallback`. ]*/ result = IoTHubClient_LL_SetConnectionStatusCallback(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_connection_status_callback, iotHubClientInstance->connection_status_user_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SetConnectionStatusCallback failed"); free(iotHubClientInstance->connection_status_user_context); iotHubClientInstance->connection_status_user_context = NULL; } } } (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetRetryPolicy(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_25_076: [** If `iotHubClientHandle` is `NULL`, `IoTHubClient_SetRetryPolicy` shall return `IOTHUB_CLIENT_INVALID_ARG`. ] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_25_073: [ `IoTHubClient_SetRetryPolicy` shall start the worker thread if it was not previously started. ] */ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /* Codes_SRS_IOTHUBCLIENT_25_075: [ If starting the thread fails, `IoTHubClient_SetRetryPolicy` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /* Codes_SRS_IOTHUBCLIENT_25_079: [ `IoTHubClient_SetRetryPolicy` shall be made thread-safe by using the lock created in `IoTHubClient_Create`.] */ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_25_080: [ If acquiring the lock fails, `IoTHubClient_SetRetryPolicy` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { /* Codes_SRS_IOTHUBCLIENT_25_077: [ `IoTHubClient_SetRetryPolicy` shall call `IoTHubClient_LL_SetRetryPolicy`, while passing the `IoTHubClient_LL` handle created by `IoTHubClient_Create` and the parameters `retryPolicy` and `retryTimeoutLimitinSeconds`.]*/ result = IoTHubClient_LL_SetRetryPolicy(iotHubClientInstance->IoTHubClientLLHandle, retryPolicy, retryTimeoutLimitInSeconds); (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_GetRetryPolicy(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_RETRY_POLICY* retryPolicy, size_t* retryTimeoutLimitInSeconds) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_25_092: [ If `iotHubClientHandle` is `NULL`, `IoTHubClient_GetRetryPolicy` shall return `IOTHUB_CLIENT_INVALID_ARG`. ]*/ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_25_089: [ `IoTHubClient_GetRetryPolicy` shall start the worker thread if it was not previously started.]*/ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /* Codes_SRS_IOTHUBCLIENT_25_091: [ If starting the thread fails, `IoTHubClient_GetRetryPolicy` shall return `IOTHUB_CLIENT_ERROR`.]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /* Codes_SRS_IOTHUBCLIENT_25_095: [ `IoTHubClient_GetRetryPolicy` shall be made thread-safe by using the lock created in `IoTHubClient_Create`. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_25_096: [ If acquiring the lock fails, `IoTHubClient_GetRetryPolicy` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { /* Codes_SRS_IOTHUBCLIENT_25_093: [ `IoTHubClient_GetRetryPolicy` shall call `IoTHubClient_LL_GetRetryPolicy`, while passing the `IoTHubClient_LL` handle created by `IoTHubClient_Create` and the parameters `connectionStatusCallback` and `userContextCallback`.]*/ result = IoTHubClient_LL_GetRetryPolicy(iotHubClientInstance->IoTHubClientLLHandle, retryPolicy, retryTimeoutLimitInSeconds); (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_GetLastMessageReceiveTime(IOTHUB_CLIENT_HANDLE iotHubClientHandle, time_t* lastMessageReceiveTime) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_020: [If iotHubClientHandle is NULL, IoTHubClient_GetLastMessageReceiveTime shall return IOTHUB_CLIENT_INVALID_ARG.] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_035: [IoTHubClient_GetLastMessageReceiveTime shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_01_036: [If acquiring the lock fails, IoTHubClient_GetLastMessageReceiveTime shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { /* Codes_SRS_IOTHUBCLIENT_01_019: [IoTHubClient_GetLastMessageReceiveTime shall call IoTHubClient_LL_GetLastMessageReceiveTime, while passing the IoTHubClient_LL handle created by IoTHubClient_Create and the parameter lastMessageReceiveTime.] */ /* Codes_SRS_IOTHUBCLIENT_01_021: [Otherwise, IoTHubClient_GetLastMessageReceiveTime shall return the result of IoTHubClient_LL_GetLastMessageReceiveTime.] */ result = IoTHubClient_LL_GetLastMessageReceiveTime(iotHubClientInstance->IoTHubClientLLHandle, lastMessageReceiveTime); /* Codes_SRS_IOTHUBCLIENT_01_035: [IoTHubClient_GetLastMessageReceiveTime shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ (void)Unlock(iotHubClientInstance->LockHandle); } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetOption(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const char* optionName, const void* value) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_02_034: [If parameter iotHubClientHandle is NULL then IoTHubClient_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */ /*Codes_SRS_IOTHUBCLIENT_02_035: [ If parameter optionName is NULL then IoTHubClient_SetOption shall return IOTHUB_CLIENT_INVALID_ARG. ]*/ /*Codes_SRS_IOTHUBCLIENT_02_036: [ If parameter value is NULL then IoTHubClient_SetOption shall return IOTHUB_CLIENT_INVALID_ARG. ]*/ if ( (iotHubClientHandle == NULL) || (optionName == NULL) || (value == NULL) ) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_041: [ IoTHubClient_SetOption shall be made thread-safe by using the lock created in IoTHubClient_Create. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_01_042: [ If acquiring the lock fails, IoTHubClient_SetOption shall return IOTHUB_CLIENT_ERROR. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { /*Codes_SRS_IOTHUBCLIENT_02_038: [If optionName doesn't match one of the options handled by this module then IoTHubClient_SetOption shall call IoTHubClient_LL_SetOption passing the same parameters and return what IoTHubClient_LL_SetOption returns.] */ result = IoTHubClient_LL_SetOption(iotHubClientInstance->IoTHubClientLLHandle, optionName, value); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SetOption failed"); } (void)Unlock(iotHubClientInstance->LockHandle); } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetDeviceTwinCallback(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_DEVICE_TWIN_CALLBACK deviceTwinCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_10_001: [** `IoTHubClient_SetDeviceTwinCallback` shall fail and return `IOTHUB_CLIENT_INVALID_ARG` if parameter `iotHubClientHandle` is `NULL`. ]*/ if (iotHubClientHandle == NULL) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /*Codes_SRS_IOTHUBCLIENT_10_003: [** If the transport connection is shared, the thread shall be started by calling `IoTHubTransport_StartWorkerThread`. ]*/ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_10_004: [** If starting the thread fails, `IoTHubClient_SetDeviceTwinCallback` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /*Codes_SRS_IOTHUBCLIENT_10_020: [** `IoTHubClient_SetDeviceTwinCallback` shall be made thread - safe by using the lock created in IoTHubClient_Create. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /*Codes_SRS_IOTHUBCLIENT_10_002: [** If acquiring the lock fails, `IoTHubClient_SetDeviceTwinCallback` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->desired_state_callback = deviceTwinCallback; } if (iotHubClientInstance->created_with_transport_handle != 0 || deviceTwinCallback == NULL) { /*Codes_SRS_IOTHUBCLIENT_10_005: [** `IoTHubClient_LL_SetDeviceTwinCallback` shall call `IoTHubClient_LL_SetDeviceTwinCallback`, while passing the `IoTHubClient_LL handle` created by `IoTHubClient_LL_Create` along with the parameters `reportedStateCallback` and `userContextCallback`. ]*/ result = IoTHubClient_LL_SetDeviceTwinCallback(iotHubClientInstance->IoTHubClientLLHandle, deviceTwinCallback, userContextCallback); } else { if (iotHubClientInstance->devicetwin_user_context != NULL) { free(iotHubClientInstance->devicetwin_user_context); } /*Codes_SRS_IOTHUBCLIENT_07_002: [ IoTHubClient_SetDeviceTwinCallback shall allocate a IOTHUB_QUEUE_CONTEXT object to be sent to the IoTHubClient_LL_SetDeviceTwinCallback function as a user context. ]*/ iotHubClientInstance->devicetwin_user_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (iotHubClientInstance->devicetwin_user_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { /*Codes_SRS_IOTHUBCLIENT_10_005: [** `IoTHubClient_LL_SetDeviceTwinCallback` shall call `IoTHubClient_LL_SetDeviceTwinCallback`, while passing the `IoTHubClient_LL handle` created by `IoTHubClient_LL_Create` along with the parameters `iothub_ll_device_twin_callback` and IOTHUB_QUEUE_CONTEXT variable. ]*/ iotHubClientInstance->devicetwin_user_context->iotHubClientHandle = iotHubClientInstance; iotHubClientInstance->devicetwin_user_context->userContextCallback = userContextCallback; result = IoTHubClient_LL_SetDeviceTwinCallback(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_device_twin_callback, iotHubClientInstance->devicetwin_user_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SetDeviceTwinCallback failed"); free(iotHubClientInstance->devicetwin_user_context); iotHubClientInstance->devicetwin_user_context = NULL; } } } (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SendReportedState(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const unsigned char* reportedState, size_t size, IOTHUB_CLIENT_REPORTED_STATE_CALLBACK reportedStateCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_10_013: [** If `iotHubClientHandle` is `NULL`, `IoTHubClient_SendReportedState` shall return `IOTHUB_CLIENT_INVALID_ARG`. ]*/ if (iotHubClientHandle == NULL) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /*Codes_SRS_IOTHUBCLIENT_10_015: [** If the transport connection is shared, the thread shall be started by calling `IoTHubTransport_StartWorkerThread`. ]*/ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_10_016: [** If starting the thread fails, `IoTHubClient_SendReportedState` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /*Codes_SRS_IOTHUBCLIENT_10_021: [** `IoTHubClient_SendReportedState` shall be made thread-safe by using the lock created in IoTHubClient_Create. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /*Codes_SRS_IOTHUBCLIENT_10_014: [** If acquiring the lock fails, `IoTHubClient_SendReportedState` shall return `IOTHUB_CLIENT_ERROR`. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->reported_state_callback = reportedStateCallback; } if (iotHubClientInstance->created_with_transport_handle != 0 || reportedStateCallback == NULL) { /*Codes_SRS_IOTHUBCLIENT_10_017: [** `IoTHubClient_SendReportedState` shall call `IoTHubClient_LL_SendReportedState`, while passing the `IoTHubClient_LL handle` created by `IoTHubClient_LL_Create` along with the parameters `reportedState`, `size`, `reportedStateCallback`, and `userContextCallback`. ]*/ /*Codes_SRS_IOTHUBCLIENT_10_018: [** When `IoTHubClient_LL_SendReportedState` is called, `IoTHubClient_SendReportedState` shall return the result of `IoTHubClient_LL_SendReportedState`. **]*/ result = IoTHubClient_LL_SendReportedState(iotHubClientInstance->IoTHubClientLLHandle, reportedState, size, reportedStateCallback, userContextCallback); } else { /* Codes_SRS_IOTHUBCLIENT_07_003: [ IoTHubClient_SendReportedState shall allocate a IOTHUB_QUEUE_CONTEXT object to be sent to the IoTHubClient_LL_SendReportedState function as a user context. ] */ IOTHUB_QUEUE_CONTEXT* queue_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (queue_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { queue_context->iotHubClientHandle = iotHubClientInstance; queue_context->userContextCallback = userContextCallback; /*Codes_SRS_IOTHUBCLIENT_10_017: [** `IoTHubClient_SendReportedState` shall call `IoTHubClient_LL_SendReportedState`, while passing the `IoTHubClient_LL handle` created by `IoTHubClient_LL_Create` along with the parameters `reportedState`, `size`, `iothub_ll_reported_state_callback` and IOTHUB_QUEUE_CONTEXT variable. ]*/ /*Codes_SRS_IOTHUBCLIENT_10_018: [** When `IoTHubClient_LL_SendReportedState` is called, `IoTHubClient_SendReportedState` shall return the result of `IoTHubClient_LL_SendReportedState`. **]*/ result = IoTHubClient_LL_SendReportedState(iotHubClientInstance->IoTHubClientLLHandle, reportedState, size, iothub_ll_reported_state_callback, queue_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SendReportedState failed"); free(queue_context); } } } (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetDeviceMethodCallback(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_DEVICE_METHOD_CALLBACK_ASYNC deviceMethodCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_12_012: [ If iotHubClientHandle is NULL, IoTHubClient_SetDeviceMethodCallback shall return IOTHUB_CLIENT_INVALID_ARG. ]*/ if (iotHubClientHandle == NULL) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /*Codes_SRS_IOTHUBCLIENT_12_014: [ If the transport handle is null and the worker thread is not initialized, the thread shall be started by calling IoTHubTransport_StartWorkerThread. ]*/ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_12_015: [ If starting the thread fails, IoTHubClient_SetDeviceMethodCallback shall return IOTHUB_CLIENT_ERROR. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /*Codes_SRS_IOTHUBCLIENT_12_018: [ IoTHubClient_SetDeviceMethodCallback shall be made thread-safe by using the lock created in IoTHubClient_Create. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /*Codes_SRS_IOTHUBCLIENT_12_013: [ If acquiring the lock fails, IoTHubClient_SetDeviceMethodCallback shall return IOTHUB_CLIENT_ERROR. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->device_method_callback = deviceMethodCallback; } if (iotHubClientInstance->method_user_context) { free(iotHubClientInstance->method_user_context); iotHubClientInstance->method_user_context = NULL; } if (deviceMethodCallback == NULL) { result = IoTHubClient_LL_SetDeviceMethodCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, NULL, NULL); } else { iotHubClientInstance->method_user_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (iotHubClientInstance->method_user_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { iotHubClientInstance->method_user_context->iotHubClientHandle = iotHubClientHandle; iotHubClientInstance->method_user_context->userContextCallback = userContextCallback; /*Codes_SRS_IOTHUBCLIENT_12_016: [ IoTHubClient_SetDeviceMethodCallback shall call IoTHubClient_LL_SetDeviceMethodCallback, while passing the IoTHubClient_LL_handle created by IoTHubClient_LL_Create along with the parameters deviceMethodCallback and userContextCallback. ]*/ /*Codes_SRS_IOTHUBCLIENT_12_017: [ When IoTHubClient_LL_SetDeviceMethodCallback is called, IoTHubClient_SetDeviceMethodCallback shall return the result of IoTHubClient_LL_SetDeviceMethodCallback. ]*/ result = IoTHubClient_LL_SetDeviceMethodCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_device_method_callback, iotHubClientInstance->method_user_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SetDeviceMethodCallback_Ex failed"); free(iotHubClientInstance->method_user_context); iotHubClientInstance->method_user_context = NULL; } else { iotHubClientInstance->device_method_callback = deviceMethodCallback; } } } (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_SetDeviceMethodCallback_Ex(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_INBOUND_DEVICE_METHOD_CALLBACK inboundDeviceMethodCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_07_001: [ If iotHubClientHandle is NULL, IoTHubClient_SetDeviceMethodCallback_Ex shall return IOTHUB_CLIENT_INVALID_ARG. ]*/ if (iotHubClientHandle == NULL) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /*Codes_SRS_IOTHUBCLIENT_07_003: [ If the transport handle is NULL and the worker thread is not initialized, the thread shall be started by calling IoTHubTransport_StartWorkerThread. ]*/ if ((result = StartWorkerThreadIfNeeded(iotHubClientInstance)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_07_004: [ If starting the thread fails, IoTHubClient_SetDeviceMethodCallback_Ex shall return IOTHUB_CLIENT_ERROR. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread"); } else { /*Codes_SRS_IOTHUBCLIENT_07_007: [ IoTHubClient_SetDeviceMethodCallback_Ex shall be made thread-safe by using the lock created in IoTHubClient_Create. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /*Codes_SRS_IOTHUBCLIENT_07_002: [ If acquiring the lock fails, IoTHubClient_SetDeviceMethodCallback_Ex shall return IOTHUB_CLIENT_ERROR. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { if (iotHubClientInstance->created_with_transport_handle == 0) { iotHubClientInstance->inbound_device_method_callback = inboundDeviceMethodCallback; } if (iotHubClientInstance->method_user_context) { free(iotHubClientInstance->method_user_context); iotHubClientInstance->method_user_context = NULL; } if (inboundDeviceMethodCallback == NULL) { /* Codes_SRS_IOTHUBCLIENT_07_008: [ If inboundDeviceMethodCallback is NULL, IoTHubClient_SetDeviceMethodCallback_Ex shall call IoTHubClient_LL_SetDeviceMethodCallback_Ex, passing NULL for the iothub_ll_inbound_device_method_callback. ] */ result = IoTHubClient_LL_SetDeviceMethodCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, NULL, NULL); } else { iotHubClientInstance->method_user_context = (IOTHUB_QUEUE_CONTEXT*)malloc(sizeof(IOTHUB_QUEUE_CONTEXT)); if (iotHubClientInstance->method_user_context == NULL) { result = IOTHUB_CLIENT_ERROR; LogError("Failed allocating QUEUE_CONTEXT"); } else { /*Codes_SRS_IOTHUBCLIENT_07_005: [ IoTHubClient_SetDeviceMethodCallback_Ex shall call IoTHubClient_LL_SetDeviceMethodCallback_Ex, while passing the IoTHubClient_LL_handle created by IoTHubClient_LL_Create along with the parameters iothub_ll_inbound_device_method_callback and IOTHUB_QUEUE_CONTEXT. ]*/ iotHubClientInstance->method_user_context->iotHubClientHandle = iotHubClientHandle; iotHubClientInstance->method_user_context->userContextCallback = userContextCallback; /* Codes_SRS_IOTHUBCLIENT_07_006: [ When IoTHubClient_LL_SetDeviceMethodCallback_Ex is called, IoTHubClient_SetDeviceMethodCallback_Ex shall return the result of IoTHubClient_LL_SetDeviceMethodCallback_Ex. ] */ result = IoTHubClient_LL_SetDeviceMethodCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_inbound_device_method_callback, iotHubClientInstance->method_user_context); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_SetDeviceMethodCallback_Ex failed"); free(iotHubClientInstance->method_user_context); iotHubClientInstance->method_user_context = NULL; } else { iotHubClientInstance->inbound_device_method_callback = inboundDeviceMethodCallback; } } } (void)Unlock(iotHubClientInstance->LockHandle); } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_DeviceMethodResponse(IOTHUB_CLIENT_HANDLE iotHubClientHandle, METHOD_HANDLE methodId, const unsigned char* response, size_t respSize, int statusCode) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_12_012: [ If iotHubClientHandle is NULL, IoTHubClient_SetDeviceMethodCallback shall return IOTHUB_CLIENT_INVALID_ARG. ]*/ if (iotHubClientHandle == NULL) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /*Codes_SRS_IOTHUBCLIENT_12_018: [ IoTHubClient_SetDeviceMethodCallback shall be made thread-safe by using the lock created in IoTHubClient_Create. ]*/ if (Lock(iotHubClientInstance->LockHandle) != LOCK_OK) { /*Codes_SRS_IOTHUBCLIENT_12_013: [ If acquiring the lock fails, IoTHubClient_SetDeviceMethodCallback shall return IOTHUB_CLIENT_ERROR. ]*/ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock"); } else { result = IoTHubClient_LL_DeviceMethodResponse(iotHubClientInstance->IoTHubClientLLHandle, methodId, response, respSize, statusCode); if (result != IOTHUB_CLIENT_OK) { LogError("IoTHubClient_LL_DeviceMethodResponse failed"); } (void)Unlock(iotHubClientInstance->LockHandle); } } return result; } #ifndef DONT_USE_UPLOADTOBLOB static IOTHUB_CLIENT_RESULT startUploadToBlobWorkerThread(UPLOADTOBLOB_THREAD_INFO* threadInfo, THREAD_START_FUNC uploadThreadFunc) { IOTHUB_CLIENT_RESULT result; LIST_ITEM_HANDLE item; if (Lock(threadInfo->iotHubClientHandle->LockHandle) != LOCK_OK) { LogError("Lock failed"); result = IOTHUB_CLIENT_ERROR; } else { if ((item = singlylinkedlist_add(threadInfo->iotHubClientHandle->savedDataToBeCleaned, threadInfo)) == NULL) { LogError("Adding item to list failed"); result = IOTHUB_CLIENT_ERROR; } else if (ThreadAPI_Create(&threadInfo->uploadingThreadHandle, uploadThreadFunc, threadInfo) != THREADAPI_OK) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to ThreadAPI_Create"); // Remove the item from linked list here, while we're still under lock. Final garbage collector also does it under lock. (void)singlylinkedlist_remove(threadInfo->iotHubClientHandle->savedDataToBeCleaned, item); result = IOTHUB_CLIENT_ERROR; } else { result = IOTHUB_CLIENT_OK; } (void)Unlock(threadInfo->iotHubClientHandle->LockHandle); } return result; } static UPLOADTOBLOB_THREAD_INFO* allocateUploadToBlob(const char* destinationFileName, IOTHUB_CLIENT_HANDLE iotHubClientHandle, void* context) { UPLOADTOBLOB_THREAD_INFO* threadInfo = (UPLOADTOBLOB_THREAD_INFO*)malloc(sizeof(UPLOADTOBLOB_THREAD_INFO)); if (threadInfo == NULL) { LogError("unable to allocate thread object"); } else { memset(threadInfo, 0, sizeof(UPLOADTOBLOB_THREAD_INFO)); threadInfo->iotHubClientHandle = iotHubClientHandle; threadInfo->context = context; if (mallocAndStrcpy_s(&threadInfo->destinationFileName, destinationFileName) != 0) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to mallocAndStrcpy_s"); freeUploadToBlobThreadInfo(threadInfo); threadInfo = NULL; } else if ((threadInfo->lockGarbage = Lock_Init()) == NULL) { LogError("unable to allocate a lock"); freeUploadToBlobThreadInfo(threadInfo); threadInfo = NULL; } } return threadInfo; } static int markThreadReadyToBeGarbageCollected(UPLOADTOBLOB_THREAD_INFO* threadInfo) { /*Codes_SRS_IOTHUBCLIENT_02_071: [ The thread shall mark itself as disposable. ]*/ if (Lock(threadInfo->lockGarbage) != LOCK_OK) { LogError("unable to Lock - trying anyway"); threadInfo->canBeGarbageCollected = 1; } else { threadInfo->canBeGarbageCollected = 1; if (Unlock(threadInfo->lockGarbage) != LOCK_OK) { LogError("unable to Unlock after locking"); } } ThreadAPI_Exit(0); return 0; } static IOTHUB_CLIENT_RESULT initializeUploadToBlobData(UPLOADTOBLOB_THREAD_INFO* threadInfo, const unsigned char* source, size_t size, IOTHUB_CLIENT_FILE_UPLOAD_CALLBACK iotHubClientFileUploadCallback) { IOTHUB_CLIENT_RESULT result; threadInfo->uploadBlobSavedData.size = size; threadInfo->uploadBlobSavedData.iotHubClientFileUploadCallback = iotHubClientFileUploadCallback; if (size != 0) { if ((threadInfo->uploadBlobSavedData.source = (unsigned char*)malloc(size)) == NULL) { LogError("Cannot allocate source field"); result = IOTHUB_CLIENT_ERROR; } else { memcpy(threadInfo->uploadBlobSavedData.source, source, size); result = IOTHUB_CLIENT_OK; } } else { result = IOTHUB_CLIENT_OK; } return result; } static int uploadingThread(void *data) { IOTHUB_CLIENT_FILE_UPLOAD_RESULT upload_result; UPLOADTOBLOB_THREAD_INFO* threadInfo = (UPLOADTOBLOB_THREAD_INFO*)data; /*it so happens that IoTHubClient_LL_UploadToBlob is thread-safe because there's no saved state in the handle and there are no globals, so no need to protect it*/ /*not having it protected means multiple simultaneous uploads can happen*/ /*Codes_SRS_IOTHUBCLIENT_02_054: [ The thread shall call IoTHubClient_LL_UploadToBlob passing the information packed in the structure. ]*/ if (IoTHubClient_LL_UploadToBlob(threadInfo->iotHubClientHandle->IoTHubClientLLHandle, threadInfo->destinationFileName, threadInfo->uploadBlobSavedData.source, threadInfo->uploadBlobSavedData.size) == IOTHUB_CLIENT_OK) { upload_result = FILE_UPLOAD_OK; } else { LogError("unable to IoTHubClient_LL_UploadToBlob"); upload_result = FILE_UPLOAD_ERROR; } if (threadInfo->uploadBlobSavedData.iotHubClientFileUploadCallback != NULL) { /*Codes_SRS_IOTHUBCLIENT_02_055: [ If IoTHubClient_LL_UploadToBlob fails then the thread shall call iotHubClientFileUploadCallbackInternal passing as result FILE_UPLOAD_ERROR and as context the structure from SRS IOTHUBCLIENT 02 051. ]*/ threadInfo->uploadBlobSavedData.iotHubClientFileUploadCallback(upload_result, threadInfo->context); } return markThreadReadyToBeGarbageCollected(threadInfo); } IOTHUB_CLIENT_RESULT IoTHubClient_UploadToBlobAsync(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const char* destinationFileName, const unsigned char* source, size_t size, IOTHUB_CLIENT_FILE_UPLOAD_CALLBACK iotHubClientFileUploadCallback, void* context) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_02_047: [ If iotHubClientHandle is NULL then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/ /*Codes_SRS_IOTHUBCLIENT_02_048: [ If destinationFileName is NULL then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/ /*Codes_SRS_IOTHUBCLIENT_02_049: [ If source is NULL and size is greated than 0 then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG. ]*/ if ( (iotHubClientHandle == NULL) || (destinationFileName == NULL) || ((source == NULL) && (size > 0)) ) { LogError("invalid parameters IOTHUB_CLIENT_HANDLE iotHubClientHandle = %p , const char* destinationFileName = %s, const unsigned char* source= %p, size_t size = %zu, IOTHUB_CLIENT_FILE_UPLOAD_CALLBACK iotHubClientFileUploadCallback = %p, void* context = %p", iotHubClientHandle, destinationFileName, source, size, iotHubClientFileUploadCallback, context ); result = IOTHUB_CLIENT_INVALID_ARG; } else { /*Codes_SRS_IOTHUBCLIENT_02_051: [IoTHubClient_UploadToBlobAsync shall copy the souce, size, iotHubClientFileUploadCallback, context into a structure.]*/ UPLOADTOBLOB_THREAD_INFO *threadInfo = allocateUploadToBlob(destinationFileName, iotHubClientHandle, context); if (threadInfo == NULL) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to create upload thread info"); result = IOTHUB_CLIENT_ERROR; } else if ((result = initializeUploadToBlobData(threadInfo, source, size, iotHubClientFileUploadCallback)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to initialize upload blob info"); result = IOTHUB_CLIENT_ERROR; } else if ((result = StartWorkerThreadIfNeeded(iotHubClientHandle)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("Could not start worker thread"); freeUploadToBlobThreadInfo(threadInfo); } /*Codes_SRS_IOTHUBCLIENT_02_052: [ IoTHubClient_UploadToBlobAsync shall spawn a thread passing the structure build in SRS IOTHUBCLIENT 02 051 as thread data.]*/ else if ((result = startUploadToBlobWorkerThread(threadInfo, uploadingThread)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to start upload thread"); freeUploadToBlobThreadInfo(threadInfo); } else { result = IOTHUB_CLIENT_OK; } } return result; } static int uploadMultipleBlock_thread(void* data) { UPLOADTOBLOB_THREAD_INFO* threadInfo = (UPLOADTOBLOB_THREAD_INFO*)data; IOTHUB_CLIENT_LL_HANDLE llHandle = threadInfo->iotHubClientHandle->IoTHubClientLLHandle; /*Codes_SRS_IOTHUBCLIENT_99_078: [ The thread shall call `IoTHubClient_LL_UploadMultipleBlocksToBlob` or `IoTHubClient_LL_UploadMultipleBlocksToBlobEx` passing the information packed in the structure. ]*/ IOTHUB_CLIENT_RESULT result; if (threadInfo->uploadBlobMultiblockSavedData.getDataCallback != NULL) { result = IoTHubClient_LL_UploadMultipleBlocksToBlob(llHandle, threadInfo->destinationFileName, threadInfo->uploadBlobMultiblockSavedData.getDataCallback, threadInfo->context); } else { result = IoTHubClient_LL_UploadMultipleBlocksToBlobEx(llHandle, threadInfo->destinationFileName, threadInfo->uploadBlobMultiblockSavedData.getDataCallbackEx, threadInfo->context); } return markThreadReadyToBeGarbageCollected(threadInfo); } IOTHUB_CLIENT_RESULT IoTHubClient_UploadMultipleBlocksToBlobAsync_Impl(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const char* destinationFileName, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK getDataCallback, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK_EX getDataCallbackEx, void* context) { IOTHUB_CLIENT_RESULT result; /*Codes_SRS_IOTHUBCLIENT_99_072: [ If `iotHubClientHandle` is `NULL` then `IoTHubClient_UploadMultipleBlocksToBlobAsync(Ex)` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/ /*Codes_SRS_IOTHUBCLIENT_99_073: [ If `destinationFileName` is `NULL` then `IoTHubClient_UploadMultipleBlocksToBlobAsync(Ex)` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/ /*Codes_SRS_IOTHUBCLIENT_99_074: [ If `getDataCallback` is `NULL` then `IoTHubClient_UploadMultipleBlocksToBlobAsync(Ex)` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/ if ( (iotHubClientHandle == NULL) || (destinationFileName == NULL) || ((getDataCallback == NULL) && (getDataCallbackEx == NULL)) ) { LogError("invalid parameters iotHubClientHandle = %p , destinationFileName = %p, getDataCallback = %p, getDataCallbackEx = %p", iotHubClientHandle, destinationFileName, getDataCallback, getDataCallbackEx ); result = IOTHUB_CLIENT_INVALID_ARG; } else { /*Codes_SRS_IOTHUBCLIENT_99_075: [ `IoTHubClient_UploadMultipleBlocksToBlobAsync(Ex)` shall copy the `destinationFileName`, `getDataCallback`, `context` and `iotHubClientHandle` into a structure. ]*/ UPLOADTOBLOB_THREAD_INFO *threadInfo = allocateUploadToBlob(destinationFileName, iotHubClientHandle, context); if (threadInfo == NULL) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to create upload thread info"); result = IOTHUB_CLIENT_ERROR; } else { /*Codes_SRS_IOTHUBCLIENT_99_075: [ `IoTHubClient_UploadMultipleBlocksToBlobAsync(Ex)` shall copy the `destinationFileName`, `getDataCallback`, `context` and `iotHubClientHandle` into a structure. ]*/ threadInfo->uploadBlobMultiblockSavedData.getDataCallback = getDataCallback; threadInfo->uploadBlobMultiblockSavedData.getDataCallbackEx = getDataCallbackEx; if ((result = StartWorkerThreadIfNeeded(iotHubClientHandle)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("Could not start worker thread"); freeUploadToBlobThreadInfo(threadInfo); } else if ((result = startUploadToBlobWorkerThread(threadInfo, uploadMultipleBlock_thread)) != IOTHUB_CLIENT_OK) { /*Codes_SRS_IOTHUBCLIENT_02_053: [ If copying to the structure or spawning the thread fails, then IoTHubClient_UploadToBlobAsync shall fail and return IOTHUB_CLIENT_ERROR. ]*/ LogError("unable to start upload thread"); freeUploadToBlobThreadInfo(threadInfo); } else { /*Codes_SRS_IOTHUBCLIENT_99_077: [ If copying to the structure and spawning the thread succeeds, then `IoTHubClient_UploadMultipleBlocksToBlobAsync(Ex)` shall return `IOTHUB_CLIENT_OK`. ]*/ result = IOTHUB_CLIENT_OK; } } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_UploadMultipleBlocksToBlobAsync(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const char* destinationFileName, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK getDataCallback, void* context) { return IoTHubClient_UploadMultipleBlocksToBlobAsync_Impl(iotHubClientHandle, destinationFileName, getDataCallback, NULL, context); } IOTHUB_CLIENT_RESULT IoTHubClient_UploadMultipleBlocksToBlobAsyncEx(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const char* destinationFileName, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK_EX getDataCallbackEx, void* context) { return IoTHubClient_UploadMultipleBlocksToBlobAsync_Impl(iotHubClientHandle, destinationFileName, NULL, getDataCallbackEx, context); } #endif /*DONT_USE_UPLOADTOBLOB*/