corrected version (with typedef struct IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE_DATA* IOTHUB_CLIENT_LL_UPLOADTOBLOB_HANDLE;) included in the sources
Dependents: STM32F746_iothub_client_sample_mqtt
Fork of iothub_client by
iothub_client.c
- Committer:
- AzureIoTClient
- Date:
- 2015-09-15
- Revision:
- 0:e393db310d89
- Child:
- 9:3ec7e2695f98
File content as of revision 0:e393db310d89:
// 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> #ifdef _CRTDBG_MAP_ALLOC #include <crtdbg.h> #endif #include "gballoc.h" #include <stdlib.h> #include <signal.h> #include "crt_abstractions.h" #include "iothub_client.h" #include "iothub_client_ll.h" #include "threadapi.h" #include "lock.h" #include "iot_logging.h" typedef struct IOTHUB_CLIENT_INSTANCE_TAG { IOTHUB_CLIENT_LL_HANDLE IoTHubClientLLHandle; THREAD_HANDLE ThreadHandle; LOCK_HANDLE LockHandle; sig_atomic_t StopThread; } IOTHUB_CLIENT_INSTANCE; static int ScheduleWork_Thread(void* threadArgument) { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)threadArgument; /* Codes_SRS_IOTHUBCLIENT_01_038: [The thread shall exit when IoTHubClient_Destroy is called.] */ while (!iotHubClientInstance->StopThread) { /* Codes_SRS_IOTHUBCLIENT_01_039: [All calls to IoTHubClient_LL_DoWork shall be protected by the lock created in IotHubClient_Create.] */ /* Codes_SRS_IOTHUBCLIENT_01_040: [If acquiring the lock fails, IoTHubClient_LL_DoWork shall not be called.] */ if (Lock(iotHubClientInstance->LockHandle) == LOCK_OK) { /* Codes_SRS_IOTHUBCLIENT_01_037: [The thread created by IoTHubClient_SendEvent or IoTHubClient_SetNotificationCallback shall call IoTHubClient_LL_DoWork every 1 ms.] */ IoTHubClient_LL_DoWork(iotHubClientInstance->IoTHubClientLLHandle); /* Codes_SRS_IOTHUBCLIENT_01_039: [All calls to IoTHubClient_LL_DoWork shall be protected by the lock created in IotHubClient_Create.] */ Unlock(iotHubClientInstance->LockHandle); } ThreadAPI_Sleep(1); } return 0; } static void StartWorkerThreadIfNeeded(IOTHUB_CLIENT_INSTANCE* iotHubClientInstance) { if (iotHubClientInstance->ThreadHandle == NULL) { iotHubClientInstance->StopThread = 0; if (ThreadAPI_Create(&iotHubClientInstance->ThreadHandle, ScheduleWork_Thread, iotHubClientInstance) != THREADAPI_OK) { iotHubClientInstance->ThreadHandle = NULL; } } } IOTHUB_CLIENT_HANDLE IoTHubClient_CreateFromConnectionString(const char* connectionString, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol) { IOTHUB_CLIENT_INSTANCE* result = NULL; /* Codes_SRS_IOTHUBCLIENT_12_003: [IoTHubClient_CreateFromConnectionString shall verify the input parameter and if it is NULL then return NULL] */ if (connectionString == NULL) { LogError("Input parameter is NULL: connectionString\r\n"); } else if (protocol == NULL) { LogError("Input parameter is NULL: protocol\r\n"); } else { /* Codes_SRS_IOTHUBCLIENT_12_004: [IoTHubClient_CreateFromConnectionString shall allocate a new IoTHubClient instance.] */ result = malloc(sizeof(IOTHUB_CLIENT_INSTANCE)); /* Codes_SRS_IOTHUBCLIENT_12_011: [If the allocation failed, IoTHubClient_CreateFromConnectionString returns NULL] */ if (result == NULL) { LogError("Malloc failed\r\n"); } else { /* Codes_SRS_IOTHUBCLIENT_12_005: [IoTHubClient_CreateFromConnectionString 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_009: [If lock creation failed, IoTHubClient_CreateFromConnectionString shall do clean up and return NULL] */ free(result); result = NULL; LogError("Lock_Init failed\r\n"); } 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_12_010: [If IoTHubClient_LL_CreateFromConnectionString fails then IoTHubClient_CreateFromConnectionString shall do clean - up and return NULL] */ Lock_Deinit(result->LockHandle); free(result); result = NULL; LogError("IoTHubClient_LL_CreateFromConnectionString failed\r\n"); } else { result->ThreadHandle = NULL; } } } } return result; } IOTHUB_CLIENT_HANDLE IoTHubClient_Create(const IOTHUB_CLIENT_CONFIG* config) { /* Codes_SRS_IOTHUBCLIENT_01_001: [IoTHubClient_Create shall allocate a new IoTHubClient instance and return a non-NULL handle to it.] */ IOTHUB_CLIENT_INSTANCE* result = (IOTHUB_CLIENT_INSTANCE*)malloc(sizeof(IOTHUB_CLIENT_INSTANCE)); /* Codes_SRS_IOTHUBCLIENT_01_004: [If allocating memory for the new IoTHubClient instance fails, then IoTHubClient_Create shall return NULL.] */ if (result != NULL) { result->ThreadHandle = NULL; /* Codes_SRS_IOTHUBCLIENT_01_029: [IoTHubClient_Create shall create a lock object to be used later for serializing IoTHubClient calls.] */ 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.] */ free(result); result = 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); 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.] */ Lock_Deinit(result->LockHandle); free(result); result = NULL; } } } return result; } /* Codes_SRS_IOTHUBCLIENT_01_005: [IoTHubClient_Destroy shall free all resources associated with the iotHubClientHandle instance.] */ void IoTHubClient_Destroy(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle) { /* Codes_SRS_IOTHUBCLIENT_01_008: [IoTHubClient_Destroy shall do nothing if parameter iotHubClientHandle is NULL.] */ if (iotHubClientHandle != NULL) { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_007: [The thread created as part of executing IoTHubClient_SendEventAsync or IoTHubClient_SetNotificationCallback shall be joined.] */ if (iotHubClientInstance->ThreadHandle != NULL) { int res; iotHubClientInstance->StopThread = 1; if (ThreadAPI_Join(iotHubClientInstance->ThreadHandle, &res) != THREADAPI_OK) { LogError("ThreadAPI_Join failed\r\n"); } } /* Codes_SRS_IOTHUBCLIENT_01_006: [That includes destroying the IoTHubClient_LL instance by calling IoTHubClient_LL_Destroy.] */ IoTHubClient_LL_Destroy(iotHubClientInstance->IoTHubClientLLHandle); /* Codes_SRS_IOTHUBCLIENT_01_032: [The lock allocated in IoTHubClient_Create shall be also freed.] */ Lock_Deinit(iotHubClientInstance->LockHandle); 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\r\n"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* 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\r\n"); } else { /* Codes_SRS_IOTHUBCLIENT_01_009: [IoTHubClient_SendEventAsync shall start the worker thread if it was not previously started.] */ StartWorkerThreadIfNeeded(iotHubClientInstance); if (iotHubClientInstance->ThreadHandle == NULL) { /* 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\r\n"); } else { /* 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, eventConfirmationCallback, userContextCallback); } /* 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_LL_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\r\n"); } 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\r\n"); } 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_SetNotificationCallback(IOTHUB_CLIENT_HANDLE iotHubClientHandle, IOTHUB_CLIENT_NOTIFICATION_CALLBACK_ASYNC notificationCallback, void* userContextCallback) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_016: [If iotHubClientHandle is NULL, IoTHubClient_SetNotificationCallback shall return IOTHUB_CLIENT_INVALID_ARG.] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle\r\n"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_027: [IoTHubClient_SetNotificationCallback 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_SetNotificationCallback shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock\r\n"); } else { /* Codes_SRS_IOTHUBCLIENT_01_014: [IoTHubClient_SetNotificationCallback shall start the worker thread if it was not previously started.] */ StartWorkerThreadIfNeeded(iotHubClientInstance); if (iotHubClientInstance->ThreadHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_015: [If starting the thread fails, IoTHubClient_SetNotificationCallback shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not start worker thread\r\n"); } else { /* Codes_SRS_IOTHUBCLIENT_01_017: [IoTHubClient_SetNotificationCallback shall call IoTHubClient_LL_SetNotificationCallback, while passing the IoTHubClient_LL handle created by IoTHubClient_Create and the parameters notificationCallback and userContextCallback.] */ result = IoTHubClient_LL_SetNotificationCallback(iotHubClientInstance->IoTHubClientLLHandle, notificationCallback, userContextCallback); } /* Codes_SRS_IOTHUBCLIENT_01_027: [IoTHubClient_SetNotificationCallback shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ Unlock(iotHubClientInstance->LockHandle); } } return result; } IOTHUB_CLIENT_RESULT IoTHubClient_GetLastNotificationReceiveTime(IOTHUB_CLIENT_HANDLE iotHubClientHandle, time_t* lastNotificationReceiveTime) { IOTHUB_CLIENT_RESULT result; if (iotHubClientHandle == NULL) { /* Codes_SRS_IOTHUBCLIENT_01_020: [If iotHubClientHandle is NULL, IoTHubClient_GetLastNotificationReceiveTime shall return IOTHUB_CLIENT_INVALID_ARG.] */ result = IOTHUB_CLIENT_INVALID_ARG; LogError("NULL iothubClientHandle\r\n"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /* Codes_SRS_IOTHUBCLIENT_01_035: [IoTHubClient_GetLastNotificationReceiveTime 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_GetLastNotificationReceiveTime shall return IOTHUB_CLIENT_ERROR.] */ result = IOTHUB_CLIENT_ERROR; LogError("Could not acquire lock\r\n"); } else { /* Codes_SRS_IOTHUBCLIENT_01_019: [IoTHubClient_GetLastNotificationReceiveTime shall call IoTHubClient_LL_GetLastNotificationReceiveTime, while passing the IoTHubClient_LL handle created by IoTHubClient_Create and the parameter lastNotificationReceiveTime.] */ /* Codes_SRS_IOTHUBCLIENT_01_021: [Otherwise, IoTHubClient_GetLastNotificationReceiveTime shall return the result of IoTHubClient_LL_GetLastNotificationReceiveTime.] */ result = IoTHubClient_LL_GetLastNotificationReceiveTime(iotHubClientInstance->IoTHubClientLLHandle, lastNotificationReceiveTime); /* Codes_SRS_IOTHUBCLIENT_01_035: [IoTHubClient_GetLastNotificationReceiveTime shall be made thread-safe by using the lock created in IoTHubClient_Create.] */ 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.] */ if ( (iotHubClientHandle == NULL) || (optionName == NULL) || (value == NULL) ) { result = IOTHUB_CLIENT_INVALID_ARG; LogError("invalid arg (NULL)r\n"); } else { IOTHUB_CLIENT_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_INSTANCE*)iotHubClientHandle; /*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\r\n"); } } return result; }