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_ll.c
- Revision:
- 0:e393db310d89
- Child:
- 1:bec6dd049b54
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/iothub_client_ll.c Tue Sep 15 21:47:12 2015 -0700
@@ -0,0 +1,570 @@
+// 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 "string.h"
+#include "string_tokenizer.h"
+
+#include "iothub_client_ll.h"
+#include "iothub_client_private.h"
+#include "doublylinkedlist.h"
+
+#include "iot_logging.h"
+
+#define LOG_ERROR LogError("result = %s\r\n", ENUM_TO_STRING(IOTHUB_CLIENT_RESULT, result));
+#define INDEFINITE_TIME ((time_t)(-1))
+
+DEFINE_ENUM_STRINGS(IOTHUB_CLIENT_RESULT, IOTHUB_CLIENT_RESULT_VALUES);
+
+typedef struct IOTHUB_CLIENT_LL_HANDLE_DATA_TAG
+{
+ DLIST_ENTRY waitingToSend;
+ TRANSPORT_HANDLE transportHandle;
+ TRANSPORT_PROVIDER_FIELDS;
+ IOTHUB_CLIENT_NOTIFICATION_CALLBACK_ASYNC notificationCallback;
+ void* notificationUserContextCallback;
+ time_t lastNotificationReceiveTime;
+}IOTHUB_CLIENT_LL_HANDLE_DATA;
+
+static const char HOSTNAME_TOKEN[] = "HostName";
+static const char CREDSCOPE_TOKEN[] = "CredentialScope";
+static const char DEVICEID_TOKEN[] = "DeviceId";
+static const char DEVICEKEY_TOKEN[] = "SharedAccessKey";
+static const char CREDSCOPE_VALUE[] = "Device";
+
+IOTHUB_CLIENT_LL_HANDLE IoTHubClient_LL_CreateFromConnectionString(const char* connectionString, IOTHUB_CLIENT_TRANSPORT_PROVIDER protocol)
+{
+ IOTHUB_CLIENT_LL_HANDLE* result = NULL;
+
+ /* SRS_IOTHUBCLIENT_LL_12_003: [IoTHubClient_LL_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
+ {
+ /* SRS_IOTHUBCLIENT_LL_12_004: [IoTHubClient_LL_CreateFromConnectionString shall allocate IOTHUB_CLIENT_CONFIG structure] */
+ IOTHUB_CLIENT_CONFIG* config = malloc(sizeof(IOTHUB_CLIENT_CONFIG));
+ if (config == NULL)
+ {
+ /* SRS_IOTHUBCLIENT_LL_12_012: [If the allocation failed IoTHubClient_LL_CreateFromConnectionString returns NULL] */
+ LogError("Malloc failed\r\n");
+ return NULL;
+ }
+ else
+ {
+ STRING_TOKENIZER_HANDLE tokenizer1 = NULL;
+ STRING_HANDLE connString = NULL;
+ STRING_HANDLE tokenString = NULL;
+ STRING_HANDLE valueString = NULL;
+ STRING_HANDLE hostNameString = NULL;
+ STRING_HANDLE hostSuffixString = NULL;
+ STRING_HANDLE deviceIdString = NULL;
+ STRING_HANDLE deviceKeyString = NULL;
+
+ config->protocol = protocol;
+
+ config->iotHubName = NULL;
+ config->iotHubSuffix = NULL;
+ config->deviceId = NULL;
+ config->deviceKey = NULL;
+ bool credential_scope_ok = false;
+
+ if ((connString = STRING_construct(connectionString)) == NULL)
+ {
+ LogError("Error constructing connectiong String\r\n");
+ }
+ else if ((tokenizer1 = STRING_TOKENIZER_create(connString)) == NULL)
+ {
+ LogError("Error creating Tokenizer\r\n");
+ }
+ else if ((tokenString = STRING_new()) == NULL)
+ {
+ LogError("Error creating Token String\r\n");
+ }
+ else if ((valueString = STRING_new()) == NULL)
+ {
+ LogError("Error creating Value String\r\n");
+ }
+ else if ((hostNameString = STRING_new()) == NULL)
+ {
+ LogError("Error creating HostName String\r\n");
+ }
+ else if ((hostSuffixString = STRING_new()) == NULL)
+ {
+ LogError("Error creating HostSuffix String\r\n");
+ }
+ /* SRS_IOTHUBCLIENT_LL_12_005: [IoTHubClient_LL_CreateFromConnectionString shall try to parse the connectionString input parameter for the following structure: "Key1=value1;key2=value2;key3=value3..."] */
+ /* SRS_IOTHUBCLIENT_LL_12_006: [IoTHubClient_LL_CreateFromConnectionString shall verify the existence of the following Key/Value pairs in the connection string: HostName, CredentialScope , DeviceId, SharedAccessKey.] */
+ else
+ {
+ while ((STRING_TOKENIZER_get_next_token(tokenizer1, tokenString, "=") == 0))
+ {
+ if (STRING_TOKENIZER_get_next_token(tokenizer1, valueString, ";") != 0)
+ {
+ LogError("Tokenizer error\r\n");
+ break;
+ }
+ else
+ {
+ if (tokenString != NULL)
+ {
+ /* SRS_IOTHUBCLIENT_LL_12_010: [IoTHubClient_LL_CreateFromConnectionString shall fill up the IOTHUB_CLIENT_CONFIG structure using the following mapping: iotHubName = Name, iotHubSuffix = Suffix, deviceId = DeviceId, deviceKey = SharedAccessKey] */
+ const char* s_token = STRING_c_str(tokenString);
+ const char* s_value = STRING_c_str(valueString);
+ if (strcmp(s_token, CREDSCOPE_TOKEN) == 0)
+ {
+ if (strcmp(s_value, CREDSCOPE_VALUE) == 0)
+ {
+ credential_scope_ok = true;
+ }
+ else
+ {
+ LogError("Unexpected credential scope\r\n");
+ break;
+ }
+ }
+ else if (strcmp(s_token, HOSTNAME_TOKEN) == 0)
+ {
+ /* SRS_IOTHUBCLIENT_LL_12_009: [IoTHubClient_LL_CreateFromConnectionString shall split the value of HostName to Name and Suffix using the first "." as a separator] */
+ STRING_TOKENIZER_HANDLE tokenizer2 = NULL;
+ if ((tokenizer2 = STRING_TOKENIZER_create(valueString)) == NULL)
+ {
+ LogError("Error creating Tokenizer\r\n");
+ break;
+ }
+ else
+ {
+ /* SRS_IOTHUBCLIENT_LL_12_015: [If the string split failed, IoTHubClient_LL_CreateFromConnectionString returns NULL ] */
+ if (STRING_TOKENIZER_get_next_token(tokenizer2, hostNameString, ".") != 0)
+ {
+ LogError("Tokenizer error\r\n");
+ STRING_TOKENIZER_destroy(tokenizer2);
+ break;
+ }
+ else
+ {
+ config->iotHubName = STRING_c_str(hostNameString);
+ if (STRING_TOKENIZER_get_next_token(tokenizer2, hostSuffixString, ";") != 0)
+ {
+ LogError("Tokenizer error\r\n");
+ STRING_TOKENIZER_destroy(tokenizer2);
+ break;
+ }
+ else
+ {
+ config->iotHubSuffix = STRING_c_str(hostSuffixString);
+ }
+ }
+ STRING_TOKENIZER_destroy(tokenizer2);
+ }
+ }
+ else if (strcmp(s_token, DEVICEID_TOKEN) == 0)
+ {
+ deviceIdString = STRING_clone(valueString);
+ if (deviceIdString != NULL)
+ {
+ config->deviceId = STRING_c_str(deviceIdString);
+ }
+ }
+ else if (strcmp(s_token, DEVICEKEY_TOKEN) == 0)
+ {
+ deviceKeyString = STRING_clone(valueString);
+ if (deviceKeyString != NULL)
+ {
+ config->deviceKey = STRING_c_str(deviceKeyString);
+ }
+ }
+ }
+ }
+ }
+ /* parsing is done - check the result */
+ if (!credential_scope_ok)
+ {
+ LogError("Credential scope is not specified\r\n");
+ }
+ else if (config->iotHubName == NULL)
+ {
+ LogError("iotHubName is not found\r\n");
+ }
+ else if (config->iotHubSuffix == NULL)
+ {
+ LogError("iotHubSuffix is not found\r\n");
+ }
+ else if (config->deviceId == NULL)
+ {
+ LogError("deviceId is not found\r\n");
+ }
+ else if (config->deviceKey == NULL)
+ {
+ LogError("deviceId is not found\r\n");
+ }
+ else
+ {
+ /* SRS_IOTHUBCLIENT_LL_12_011: [IoTHubClient_LL_CreateFromConnectionString shall call into the IoTHubClient_LL_Create API with the current structure and returns with the return value of it] */
+ result = IoTHubClient_LL_Create(config);
+ if (result == NULL)
+ {
+ LogError("IoTHubClient_LL_Create failed\r\n");
+ }
+ }
+ }
+ if (deviceKeyString != NULL)
+ STRING_delete(deviceKeyString);
+ if (deviceIdString != NULL)
+ STRING_delete(deviceIdString);
+ if (hostSuffixString != NULL)
+ STRING_delete(hostSuffixString);
+ if (hostNameString != NULL)
+ STRING_delete(hostNameString);
+ if (valueString != NULL)
+ STRING_delete(valueString);
+ if (tokenString != NULL)
+ STRING_delete(tokenString);
+ if (connString != NULL)
+ STRING_delete(connString);
+
+ if (tokenizer1 != NULL)
+ STRING_TOKENIZER_destroy(tokenizer1);
+
+ free(config);
+ }
+ }
+ return result;
+}
+
+
+IOTHUB_CLIENT_LL_HANDLE IoTHubClient_LL_Create(const IOTHUB_CLIENT_CONFIG* config)
+{
+ IOTHUB_CLIENT_LL_HANDLE result;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_001: [IoTHubClient_LL_Create shall return NULL if config parameter is NULL or protocol field is NULL.]*/
+ if (
+ (config == NULL) ||
+ (config->protocol == NULL)
+ )
+ {
+ result = NULL;
+ LogError("invalid configuration (NULL detected)\r\n");
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)malloc(sizeof(IOTHUB_CLIENT_LL_HANDLE_DATA));
+ if (handleData == NULL)
+ {
+ LogError("malloc failed\r\n");
+ result = NULL;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_004: [Otherwise IoTHubClient_LL_Create shall initialize a new DLIST (further called "waitingToSend") containing records with fields of the following types: IOTHUB_MESSAGE_HANDLE, IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK, void*.]*/
+ IOTHUBTRANSPORT_CONFIG lowerLayerConfig;
+ DList_InitializeListHead(&(handleData->waitingToSend));
+ handleData->IoTHubTransport_SetOption = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_SetOption;
+ handleData->IoTHubTransport_Create = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Create;
+ handleData->IoTHubTransport_Destroy = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Destroy;
+ handleData->IoTHubTransport_Subscribe = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Subscribe;
+ handleData->IoTHubTransport_Unsubscribe = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_Unsubscribe;
+ handleData->IoTHubTransport_DoWork = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_DoWork;
+ handleData->IoTHubTransport_GetSendStatus = ((TRANSPORT_PROVIDER*)config->protocol())->IoTHubTransport_GetSendStatus;
+ handleData->notificationCallback = NULL;
+ handleData->notificationUserContextCallback = NULL;
+ handleData->lastNotificationReceiveTime = INDEFINITE_TIME;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_006: [IoTHubClient_LL_Create shall populate a structure of type IOTHUBTRANSPORT_CONFIG with the information from config parameter and the previous DLIST and shall pass that to the underlying layer _Create function.]*/
+ lowerLayerConfig.upperConfig = config;
+ lowerLayerConfig.waitingToSend = &(handleData->waitingToSend);
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_007: [If the underlaying layer _Create function fails them IoTHubClient_LL_Create shall fail and return NULL.] */
+ if ((handleData->transportHandle = handleData->IoTHubTransport_Create(&lowerLayerConfig)) == NULL)
+ {
+ LogError("underlying transport failed\r\n");
+ free(handleData);
+ result = NULL;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_008: [Otherwise, IoTHubClient_LL_Create shall succeed and return a non-NULL handle.] */
+ result = handleData;
+ }
+ }
+ }
+
+ return result;
+}
+
+void IoTHubClient_LL_Destroy(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
+{
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_009: [IoTHubClient_LL_Destroy shall do nothing if parameter iotHubClientHandle is NULL.]*/
+ if (iotHubClientHandle != NULL)
+ {
+ PDLIST_ENTRY unsend;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_010: [IoTHubClient_LL_Destroy it shall call the underlaying layer's _Destroy function and shall free the resources allocated by IoTHubClient (if any).] */
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+ handleData->IoTHubTransport_Destroy(handleData->transportHandle);
+ /*if any, remove the items currently not send*/
+ while ((unsend = DList_RemoveHeadList(&(handleData->waitingToSend))) != &(handleData->waitingToSend))
+ {
+ IOTHUB_MESSAGE_LIST* temp = containingRecord(unsend, IOTHUB_MESSAGE_LIST, entry);
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_033: [Otherwise, IoTHubClient_LL_Destroy shall complete all the event notification callbacks that are in the waitingToSend list with the result IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY.] */
+ if (temp->callback != NULL)
+ {
+ temp->callback(IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY, temp->context);
+ }
+ IoTHubMessage_Destroy(temp->messageHandle);
+ free(temp);
+ }
+ free(handleData);
+ }
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_SendEventAsync(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, IOTHUB_MESSAGE_HANDLE eventMessageHandle, IOTHUB_CLIENT_EVENT_CONFIRMATION_CALLBACK eventConfirmationCallback, void* userContextCallback)
+{
+ IOTHUB_CLIENT_RESULT result;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_011: [IoTHubClient_LL_SendEventAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG if parameter iotHubClientHandle or eventMessageHandle is NULL.]*/
+ if (
+ (iotHubClientHandle == NULL) ||
+ (eventMessageHandle == NULL) ||
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_012: [IoTHubClient_LL_SendEventAsync shall fail and return IOTHUB_CLIENT_INVALID_ARG if parameter eventConfirmationCallback is NULL and userContextCallback is not NULL.] */
+ ((eventConfirmationCallback == NULL) && (userContextCallback != NULL))
+ )
+ {
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ LOG_ERROR;
+ }
+ else
+ {
+ IOTHUB_MESSAGE_LIST *newEntry = (IOTHUB_MESSAGE_LIST*)malloc(sizeof(IOTHUB_MESSAGE_LIST));
+ if (newEntry == NULL)
+ {
+ result = IOTHUB_CLIENT_ERROR;
+ LOG_ERROR;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_013: [IoTHubClient_SendEventAsync shall add the DLIST waitingToSend a new record cloning the information from eventMessageHandle, eventConfirmationCallback, userContextCallback.]*/
+ if ((newEntry->messageHandle = IoTHubMessage_Clone(eventMessageHandle)) == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_014: [If cloning and/or adding the information fails for any reason, IoTHubClient_LL_SendEventAsync shall fail and return IOTHUB_CLIENT_ERROR.] */
+ result = IOTHUB_CLIENT_ERROR;
+ free(newEntry);
+ LOG_ERROR;
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_013: [IoTHubClient_SendEventAsync shall add the DLIST waitingToSend a new record cloning the information from eventMessageHandle, eventConfirmationCallback, userContextCallback.]*/
+ newEntry->callback = eventConfirmationCallback;
+ newEntry->context = userContextCallback;
+ DList_InsertTailList(&(handleData->waitingToSend), &(newEntry->entry));
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_015: [Otherwise IoTHubClient_LL_SendEventAsync shall succeed and return IOTHUB_CLIENT_OK.] */
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+ }
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_SetNotificationCallback(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, IOTHUB_CLIENT_NOTIFICATION_CALLBACK_ASYNC notificationCallback, void* userContextCallback)
+{
+ IOTHUB_CLIENT_RESULT result;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_016: [IoTHubClient_LL_SetNotificationCallback shall fail and return IOTHUB_CLIENT_INVALID_ARG if parameter iotHubClientHandle is NULL.] */
+ if (iotHubClientHandle == NULL)
+ {
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ LOG_ERROR;
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+ if (notificationCallback == NULL)
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_019: [If parameter notificationCallback is NULL then IoTHubClient_LL_SetNotificationCallback shall call the underlying layer's _Unsubscribe function and return IOTHUB_CLIENT_OK.] */
+ handleData->IoTHubTransport_Unsubscribe(handleData->transportHandle);
+ handleData->notificationCallback = NULL;
+ handleData->notificationUserContextCallback = NULL;
+ result = IOTHUB_CLIENT_OK;
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_017: [If parameter notificationCallback is non-NULL then IoTHubClient_LL_SetNotificationCallback shall call the underlying layer's _Subscribe function.]*/
+ if (handleData->IoTHubTransport_Subscribe(handleData->transportHandle) == 0)
+ {
+ handleData->notificationCallback = notificationCallback;
+ handleData->notificationUserContextCallback = userContextCallback;
+ result = IOTHUB_CLIENT_OK;
+ }
+ else
+ {
+ handleData->notificationCallback = NULL;
+ handleData->notificationUserContextCallback = NULL;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_018: [If the underlying layer's _Subscribe function fails, then IoTHubClient_LL_SetNotificationCallback shall fail and return IOTHUB_CLIENT_ERROR. Otherwise IoTHubClient_LL_SetNotificationCallback shall succeed and return IOTHUB_CLIENT_OK.]*/
+ result = IOTHUB_CLIENT_ERROR;
+ }
+ }
+ }
+
+ return result;
+}
+
+void IoTHubClient_LL_DoWork(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
+{
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_020: [If parameter iotHubClientHandle is NULL then IoTHubClient_LL_DoWork shall not perform any action.] */
+ if (iotHubClientHandle != NULL)
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+ handleData->IoTHubTransport_DoWork(handleData->transportHandle, iotHubClientHandle);
+ }
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_GetSendStatus(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
+{
+ IOTHUB_CLIENT_RESULT result;
+
+ /* Codes_SRS_IOTHUBCLIENT_09_007: [IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter] */
+ if (iotHubClientHandle == NULL || iotHubClientStatus == NULL)
+ {
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ LOG_ERROR;
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+
+ /* Codes_SRS_IOTHUBCLIENT_09_008: [IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there is currently no items to be sent] */
+ /* Codes_SRS_IOTHUBCLIENT_09_009: [IoTHubClient_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently items to be sent] */
+ result = handleData->IoTHubTransport_GetSendStatus(handleData->transportHandle, iotHubClientStatus);
+ }
+
+ return result;
+}
+
+void IoTHubClient_LL_SendComplete(IOTHUB_CLIENT_LL_HANDLE handle, PDLIST_ENTRY completed, IOTHUB_BATCHSTATE_RESULT result)
+{
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_022: [If parameter completed is NULL, or parameter handle is NULL then IoTHubClient_LL_SendBatch shall return.]*/
+ if (
+ (handle == NULL) ||
+ (completed == NULL)
+ )
+ {
+ /*"shall return"*/
+ LogError("invalid arg\r\n");
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_027: [If parameter result is IOTHUB_BACTHSTATE_FAILED then IoTHubClient_LL_SendComplete shall call all the non-NULL callbacks with the result parameter set to IOTHUB_CLIENT_CONFIRMATION_ERROR and the context set to the context passed originally in the SendEventAsync call.] */
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_025: [If parameter result is IOTHUB_BATCHSTATE_SUCCESS then IoTHubClient_LL_SendComplete shall call all the non-NULL callbacks with the result parameter set to IOTHUB_CLIENT_CONFIRMATION_OK and the context set to the context passed originally in the SendEventAsync call.]*/
+ IOTHUB_CLIENT_CONFIRMATION_RESULT resultToBeCalled = (result == IOTHUB_BATCHSTATE_SUCCESS) ? IOTHUB_CLIENT_CONFIRMATION_OK : IOTHUB_CLIENT_CONFIRMATION_ERROR;
+ PDLIST_ENTRY oldest;
+ while((oldest= DList_RemoveHeadList(completed))!=completed)
+ {
+ IOTHUB_MESSAGE_LIST* messageList = (IOTHUB_MESSAGE_LIST*)containingRecord(oldest, IOTHUB_MESSAGE_LIST, entry);
+ if (messageList->callback != NULL)
+ {
+ messageList->callback(resultToBeCalled, messageList->context);
+ }
+ IoTHubMessage_Destroy(messageList->messageHandle);
+ free(messageList);
+ }
+ }
+}
+
+IOTHUBMESSAGE_DISPOSITION_RESULT IoTHubClient_LL_NotificationCallback(IOTHUB_CLIENT_LL_HANDLE handle, IOTHUB_MESSAGE_HANDLE notificationMessage)
+{
+ int result;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_029: [If parameter handle is NULL then IoTHubClient_LL_NotificationCallback shall return IOTHUBMESSAGE_ABANDONED.] */
+ if (handle == NULL)
+ {
+ LogError("invalid argument\r\n");
+ result = IOTHUBMESSAGE_ABANDONED;
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)handle;
+
+ /* Codes_SRS_IOTHUBCLIENT_LL_09_004: [IoTHubClient_LL_GetLastNotificationReceiveTime shall return lastNotificationReceiveTime in localtime] */
+ handleData->lastNotificationReceiveTime = get_time(NULL);
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_030: [IoTHubClient_LL_NotificationCallback shall invoke the last callback function (the parameter notificationCallback to IoTHubClient_LL_SetNotificationCallback) passing the notificationMessage and the passed userContextCallback.]*/
+ if (handleData->notificationCallback != NULL)
+ {
+ result = handleData->notificationCallback(notificationMessage, handleData->notificationUserContextCallback);
+ }
+ else
+ {
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_032: [If the last callback function was NULL, then IoTHubClient_LL_NotificationCallback shall return IOTHUBMESSAGE_ABANDONED.] */
+ LogError("user callback was NULL\r\n");
+ result = IOTHUBMESSAGE_ABANDONED;
+ }
+ }
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_031: [Then IoTHubClient_LL_NotificationCallback shall return what the user function returns.]*/
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_GetLastNotificationReceiveTime(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, time_t* lastNotificationReceiveTime)
+{
+ IOTHUB_CLIENT_RESULT result;
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+
+ /* Codes_SRS_IOTHUBCLIENT_LL_09_001: [IoTHubClient_LL_GetLastNotificationReceiveTime shall return IOTHUB_CLIENT_INVALID_ARG if any of the arguments is NULL] */
+ if (handleData == NULL || lastNotificationReceiveTime == NULL)
+ {
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ LOG_ERROR;
+ }
+ else
+ {
+ /* Codes_SRS_IOTHUBCLIENT_LL_09_002: [IoTHubClient_LL_GetLastNotificationReceiveTime shall return IOTHUB_CLIENT_INDEFINITE_TIME - and not set 'lastNotificationReceiveTime' - if it is unable to provide the time for the last commands] */
+ if (handleData->lastNotificationReceiveTime == INDEFINITE_TIME)
+ {
+ result = IOTHUB_CLIENT_INDEFINITE_TIME;
+ LOG_ERROR;
+ }
+ else
+ {
+ /* Codes_SRS_IOTHUBCLIENT_LL_09_003: [IoTHubClient_LL_GetLastNotificationReceiveTime shall return IOTHUB_CLIENT_OK if it wrote in the lastNotificationReceiveTime the time when the last command was received] */
+ /* Codes_SRS_IOTHUBCLIENT_LL_09_004: [IoTHubClient_LL_GetLastNotificationReceiveTime shall return lastNotificationReceiveTime in localtime] */
+ *lastNotificationReceiveTime = handleData->lastNotificationReceiveTime;
+ result = IOTHUB_CLIENT_OK;
+ }
+ }
+
+ return result;
+}
+
+IOTHUB_CLIENT_RESULT IoTHubClient_LL_SetOption(IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, const char* optionName, const void* value)
+{
+
+ IOTHUB_CLIENT_RESULT result;
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_034: [If iotHubClientHandle is NULL then IoTHubClient_LL_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]*/
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_035: [If optionName is NULL then IoTHubClient_LL_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_036: [If value is NULL then IoTHubClient_LL_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
+ if (
+ (iotHubClientHandle == NULL) ||
+ (optionName == NULL) ||
+ (value == NULL)
+ )
+ {
+ result = IOTHUB_CLIENT_INVALID_ARG;
+ LogError("invalid argument (NULL)\r\n");
+ }
+ else
+ {
+ IOTHUB_CLIENT_LL_HANDLE_DATA* handleData = (IOTHUB_CLIENT_LL_HANDLE_DATA*)iotHubClientHandle;
+
+ /*Codes_SRS_IOTHUBCLIENT_LL_02_038: [Otherwise, IoTHubClient_LL shall call the function _SetOption of the underlying transport and return what that function is returning.] */
+ result = handleData->IoTHubTransport_SetOption(handleData->transportHandle, optionName, value);
+
+ if (result != IOTHUB_CLIENT_OK)
+ {
+ LogError("underlying transport failed, returned = %s\r\n", ENUM_TO_STRING(IOTHUB_CLIENT_RESULT, result));
+ }
+
+ }
+ return result;
+}
