Azure IoT
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
Diff: iothub_client_core.c
- Revision:
- 88:248736be106e
- Child:
- 89:a2ed767a532e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/iothub_client_core.c Mon Jun 11 15:39:23 2018 -0700
@@ -0,0 +1,2149 @@
+// 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_core.h"
+#include "iothub_client_core_ll.h"
+#include "internal/iothubtransport.h"
+#include "internal/iothub_client_private.h"
+#include "internal/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"
+
+struct IOTHUB_QUEUE_CONTEXT_TAG;
+
+typedef struct IOTHUB_CLIENT_CORE_INSTANCE_TAG
+{
+ IOTHUB_CLIENT_CORE_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_CORE_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_CORE_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_CORE_INSTANCE* iotHubClientHandle;
+ void* userContextCallback;
+} IOTHUB_QUEUE_CONTEXT;
+
+/*used by unittests only*/
+const size_t IoTHubClientCore_ThreadTerminationOffset = offsetof(IOTHUB_CLIENT_CORE_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_CORE_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_CORE_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_CORE_HANDLE message_user_context_handle = NULL;
+ IOTHUB_CLIENT_CORE_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 = IoTHubClientCore_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("IoTHubClientCore_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 = IoTHubClientCore_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("IoTHubClientCore_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL_DoWork every 1 ms.] */
+ /* Codes_SRS_IOTHUBCLIENT_01_039: [All calls to IoTHubClientCore_LL_DoWork shall be protected by the lock created in IotHubClient_Create.] */
+ IoTHubClientCore_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, IoTHubClientCore_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_CORE_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_CORE_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_CORE_INSTANCE* result = (IOTHUB_CLIENT_CORE_INSTANCE*)malloc(sizeof(IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL instance by calling IoTHubClientCore_LL_CreateWithTransport and passing the lower layer transport and config argument. ]*/
+ result->IoTHubClientLLHandle = IoTHubClientCore_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 IoTHubClientCore_LL instance by calling IoTHubClientCore_LL_Create and passing the config argument.] */
+ result->IoTHubClientLLHandle = IoTHubClientCore_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 `IoTHubClientCore_LL` instance by calling `IoTHubClientCore_LL_CreateFromDeviceAuth` and passing iothub_uri, device_id and protocol argument. **] */
+ result->IoTHubClientLLHandle = IoTHubClientCore_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
+ {
+ result->IoTHubClientLLHandle = IoTHubClientCore_LL_CreateFromConnectionString(connectionString, protocol);
+ }
+ }
+
+ if (result->IoTHubClientLLHandle == NULL)
+ {
+ /* Codes_SRS_IOTHUBCLIENT_01_003: [If IoTHubClientCore_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_CORE_HANDLE IoTHubClientCore_CreateFromConnectionString(const char* connectionString, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol)
+{
+ IOTHUB_CLIENT_CORE_INSTANCE* result;
+
+ 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_CORE_HANDLE IoTHubClientCore_Create(const IOTHUB_CLIENT_CONFIG* config)
+{
+ IOTHUB_CLIENT_CORE_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_CORE_HANDLE IoTHubClientCore_CreateWithTransport(TRANSPORT_HANDLE transportHandle, const IOTHUB_CLIENT_CONFIG* config)
+{
+ IOTHUB_CLIENT_CORE_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_CORE_HANDLE IoTHubClientCore_CreateFromDeviceAuth(const char* iothub_uri, const char* device_id, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol)
+{
+ IOTHUB_CLIENT_CORE_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 `IoTHubClientCore_LL` instance by calling `IoTHubClientCore_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 IoTHubClientCore_Destroy(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL instance by calling IoTHubClientCore_LL_Destroy.] */
+ IoTHubClientCore_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 IoTHubClientCore_SendEventAsync(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 = IoTHubClientCore_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 IoTHubClientCore_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 IoTHubClientCore_LL_SendEventAsync, while passing the IoTHubClientCore_LL handle created by IoTHubClient_Create and the parameters eventMessageHandle, eventConfirmationCallback and userContextCallback.] */
+ /* Codes_SRS_IOTHUBCLIENT_01_013: [When IoTHubClientCore_LL_SendEventAsync is called, IoTHubClient_SendEventAsync shall return the result of IoTHubClientCore_LL_SendEventAsync.] */
+ result = IoTHubClientCore_LL_SendEventAsync(iotHubClientInstance->IoTHubClientLLHandle, eventMessageHandle, iothub_ll_event_confirm_callback, queue_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_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 IoTHubClientCore_GetSendStatus(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL_GetSendStatus, while passing the IoTHubClientCore_LL handle created by IoTHubClient_Create and the parameter iotHubClientStatus.] */
+ /* Codes_SRS_IOTHUBCLIENT_01_024: [Otherwise, IoTHubClient_GetSendStatus shall return the result of IoTHubClientCore_LL_GetSendStatus.] */
+ result = IoTHubClientCore_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 IoTHubClientCore_SetMessageCallback(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 = IoTHubClientCore_LL_SetMessageCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, NULL, iotHubClientInstance->message_user_context);
+ }
+ else if (iotHubClientInstance->created_with_transport_handle != 0)
+ {
+ result = IoTHubClientCore_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 IoTHubClientCore_LL_SetMessageCallback_Ex, while passing the IoTHubClientCore_LL handle created by IoTHubClient_Create and the local iothub_ll_message_callback wrapper of messageCallback and userContextCallback.] */
+ /* Codes_SRS_IOTHUBCLIENT_01_018: [When IoTHubClientCore_LL_SetMessageCallback_Ex is called, IoTHubClient_SetMessageCallback shall return the result of IoTHubClientCore_LL_SetMessageCallback_Ex.] */
+ result = IoTHubClientCore_LL_SetMessageCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_message_callback, iotHubClientInstance->message_user_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_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 IoTHubClientCore_SetConnectionStatusCallback(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 `IoTHubClientCore_LL_SetConnectionStatusCallback`, while passing the `IoTHubClientCore_LL` handle created by `IoTHubClient_Create` and the parameters `connectionStatusCallback` and `userContextCallback`. ]*/
+ result = IoTHubClientCore_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 `IoTHubClientCore_LL_SetConnectionStatusCallback`, while passing the `IoTHubClientCore_LL` handle created by `IoTHubClient_Create` and the parameters `connectionStatusCallback` and `userContextCallback`. ]*/
+ result = IoTHubClientCore_LL_SetConnectionStatusCallback(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_connection_status_callback, iotHubClientInstance->connection_status_user_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_LL_SetConnectionStatusCallback failed");
+ free(iotHubClientInstance->connection_status_user_context);
+ iotHubClientInstance->connection_status_user_context = NULL;
+ }
+ }
+ }
+ (void)Unlock(iotHubClientInstance->LockHandle);
+ }
+ }
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_SetRetryPolicy(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 `IoTHubClientCore_LL_SetRetryPolicy`, while passing the `IoTHubClientCore_LL` handle created by `IoTHubClient_Create` and the parameters `retryPolicy` and `retryTimeoutLimitinSeconds`.]*/
+ result = IoTHubClientCore_LL_SetRetryPolicy(iotHubClientInstance->IoTHubClientLLHandle, retryPolicy, retryTimeoutLimitInSeconds);
+ (void)Unlock(iotHubClientInstance->LockHandle);
+ }
+
+ }
+ }
+
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_GetRetryPolicy(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 `IoTHubClientCore_LL_GetRetryPolicy`, while passing the `IoTHubClientCore_LL` handle created by `IoTHubClient_Create` and the parameters `connectionStatusCallback` and `userContextCallback`.]*/
+ result = IoTHubClientCore_LL_GetRetryPolicy(iotHubClientInstance->IoTHubClientLLHandle, retryPolicy, retryTimeoutLimitInSeconds);
+ (void)Unlock(iotHubClientInstance->LockHandle);
+ }
+ }
+ }
+
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_GetLastMessageReceiveTime(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL_GetLastMessageReceiveTime, while passing the IoTHubClientCore_LL handle created by IoTHubClient_Create and the parameter lastMessageReceiveTime.] */
+ /* Codes_SRS_IOTHUBCLIENT_01_021: [Otherwise, IoTHubClient_GetLastMessageReceiveTime shall return the result of IoTHubClientCore_LL_GetLastMessageReceiveTime.] */
+ result = IoTHubClientCore_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 IoTHubClientCore_SetOption(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL_SetOption passing the same parameters and return what IoTHubClientCore_LL_SetOption returns.] */
+ result = IoTHubClientCore_LL_SetOption(iotHubClientInstance->IoTHubClientLLHandle, optionName, value);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_LL_SetOption failed");
+ }
+
+ (void)Unlock(iotHubClientInstance->LockHandle);
+ }
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_SetDeviceTwinCallback(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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: [** `IoTHubClientCore_LL_SetDeviceTwinCallback` shall call `IoTHubClientCore_LL_SetDeviceTwinCallback`, while passing the `IoTHubClientCore_LL handle` created by `IoTHubClientCore_LL_Create` along with the parameters `reportedStateCallback` and `userContextCallback`. ]*/
+ result = IoTHubClientCore_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 IoTHubClientCore_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: [** `IoTHubClientCore_LL_SetDeviceTwinCallback` shall call `IoTHubClientCore_LL_SetDeviceTwinCallback`, while passing the `IoTHubClientCore_LL handle` created by `IoTHubClientCore_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 = IoTHubClientCore_LL_SetDeviceTwinCallback(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_device_twin_callback, iotHubClientInstance->devicetwin_user_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_LL_SetDeviceTwinCallback failed");
+ free(iotHubClientInstance->devicetwin_user_context);
+ iotHubClientInstance->devicetwin_user_context = NULL;
+ }
+ }
+ }
+
+ (void)Unlock(iotHubClientInstance->LockHandle);
+ }
+ }
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_SendReportedState(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 `IoTHubClientCore_LL_SendReportedState`, while passing the `IoTHubClientCore_LL handle` created by `IoTHubClientCore_LL_Create` along with the parameters `reportedState`, `size`, `reportedStateCallback`, and `userContextCallback`. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_10_018: [** When `IoTHubClientCore_LL_SendReportedState` is called, `IoTHubClient_SendReportedState` shall return the result of `IoTHubClientCore_LL_SendReportedState`. **]*/
+ result = IoTHubClientCore_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 IoTHubClientCore_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 `IoTHubClientCore_LL_SendReportedState`, while passing the `IoTHubClientCore_LL handle` created by `IoTHubClientCore_LL_Create` along with the parameters `reportedState`, `size`, `iothub_ll_reported_state_callback` and IOTHUB_QUEUE_CONTEXT variable. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_10_018: [** When `IoTHubClientCore_LL_SendReportedState` is called, `IoTHubClient_SendReportedState` shall return the result of `IoTHubClientCore_LL_SendReportedState`. **]*/
+ result = IoTHubClientCore_LL_SendReportedState(iotHubClientInstance->IoTHubClientLLHandle, reportedState, size, iothub_ll_reported_state_callback, queue_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_LL_SendReportedState failed");
+ free(queue_context);
+ }
+ }
+ }
+
+ (void)Unlock(iotHubClientInstance->LockHandle);
+ }
+ }
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_SetDeviceMethodCallback(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 = IoTHubClientCore_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 IoTHubClientCore_LL_SetDeviceMethodCallback, while passing the IoTHubClientCore_LL_handle created by IoTHubClientCore_LL_Create along with the parameters deviceMethodCallback and userContextCallback. ]*/
+ /*Codes_SRS_IOTHUBCLIENT_12_017: [ When IoTHubClientCore_LL_SetDeviceMethodCallback is called, IoTHubClient_SetDeviceMethodCallback shall return the result of IoTHubClientCore_LL_SetDeviceMethodCallback. ]*/
+ result = IoTHubClientCore_LL_SetDeviceMethodCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_device_method_callback, iotHubClientInstance->method_user_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_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 IoTHubClientCore_SetDeviceMethodCallback_Ex(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 IoTHubClientCore_LL_SetDeviceMethodCallback_Ex, passing NULL for the iothub_ll_inbound_device_method_callback. ] */
+ result = IoTHubClientCore_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 IoTHubClientCore_LL_SetDeviceMethodCallback_Ex, while passing the IoTHubClientCore_LL_handle created by IoTHubClientCore_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 IoTHubClientCore_LL_SetDeviceMethodCallback_Ex is called, IoTHubClient_SetDeviceMethodCallback_Ex shall return the result of IoTHubClientCore_LL_SetDeviceMethodCallback_Ex. ] */
+ result = IoTHubClientCore_LL_SetDeviceMethodCallback_Ex(iotHubClientInstance->IoTHubClientLLHandle, iothub_ll_inbound_device_method_callback, iotHubClientInstance->method_user_context);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_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 IoTHubClientCore_DeviceMethodResponse(IOTHUB_CLIENT_CORE_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_CORE_INSTANCE* iotHubClientInstance = (IOTHUB_CLIENT_CORE_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 = IoTHubClientCore_LL_DeviceMethodResponse(iotHubClientInstance->IoTHubClientLLHandle, methodId, response, respSize, statusCode);
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("IoTHubClientCore_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_CORE_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 IoTHubClientCore_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 IoTHubClientCore_LL_UploadToBlob passing the information packed in the structure. ]*/
+ if (IoTHubClientCore_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 IoTHubClientCore_LL_UploadToBlob");
+ upload_result = FILE_UPLOAD_ERROR;
+ }
+
+ if (threadInfo->uploadBlobSavedData.iotHubClientFileUploadCallback != NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_02_055: [ If IoTHubClientCore_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 IoTHubClientCore_UploadToBlobAsync(IOTHUB_CLIENT_CORE_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_CORE_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_CORE_LL_HANDLE llHandle = threadInfo->iotHubClientHandle->IoTHubClientLLHandle;
+
+ /*Codes_SRS_IOTHUBCLIENT_99_078: [ The thread shall call `IoTHubClientCore_LL_UploadMultipleBlocksToBlob` or `IoTHubClientCore_LL_UploadMultipleBlocksToBlobEx` passing the information packed in the structure. ]*/
+ IOTHUB_CLIENT_RESULT result;
+
+ if (threadInfo->uploadBlobMultiblockSavedData.getDataCallback != NULL)
+ {
+ result = IoTHubClientCore_LL_UploadMultipleBlocksToBlob(llHandle, threadInfo->destinationFileName, threadInfo->uploadBlobMultiblockSavedData.getDataCallback, threadInfo->context);
+ }
+ else
+ {
+ result = IoTHubClientCore_LL_UploadMultipleBlocksToBlobEx(llHandle, threadInfo->destinationFileName, threadInfo->uploadBlobMultiblockSavedData.getDataCallbackEx, threadInfo->context);
+ }
+ (void)markThreadReadyToBeGarbageCollected(threadInfo);
+
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClientCore_UploadMultipleBlocksToBlobAsync(IOTHUB_CLIENT_CORE_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;
+}
+
+#endif /*DONT_USE_UPLOADTOBLOB*/
