void iothub_client_sample_http_send_one_msg(IOTHUB_CLIENT_HANDLE iothubClient, EVENT_INSTANCE *message, int messageNumber)
{
if ((message->messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText))) == NULL)
{
(void)printf("ERROR: iotHubMessageHandle is NULL!\r\n");
}
else
{
MAP_HANDLE propMap;
message->messageTrackingId = messageNumber;
propMap = IoTHubMessage_Properties(message->messageHandle);
sprintf_s(propText, sizeof(propText), "PropMsg_%d", messageNumber);
if (Map_AddOrUpdate(propMap, "PropName", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_SendEventAsync(iothubClient, message->messageHandle, SendConfirmationCallback, message) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SendEventAsync to device [%p]..........FAILED!\r\n", iothubClient);
}
else
{
(void)printf("IoTHubClient_LL_SendEventAsync accepted message [%d] for transmission to IoT Hub, device [%p].\r\n", messageNumber, iothubClient);
}
}
}
static void sendMessage(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const unsigned char* buffer, size_t size, ContosoAnemometer *myWeather)
{
static unsigned int messageTrackingId;
IOTHUB_MESSAGE_HANDLE messageHandle = IoTHubMessage_CreateFromByteArray(buffer, size);
if (messageHandle == NULL)
{
printf("unable to create a new IoTHubMessage\r\n");
}
else
{
MAP_HANDLE propMap = IoTHubMessage_Properties(messageHandle);
(void)sprintf_s(propText, sizeof(propText), myWeather->Temperature > 28 ? "true" : "false");
if (Map_AddOrUpdate(propMap, "temperatureAlert", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_SendEventAsync(iotHubClientHandle, messageHandle, sendCallback, (void*)(uintptr_t)messageTrackingId) != IOTHUB_CLIENT_OK)
{
printf("failed to hand over the message to IoTHubClient");
}
else
{
printf("IoTHubClient accepted the message for delivery\r\n");
}
IoTHubMessage_Destroy(messageHandle);
}
free((void*)buffer);
messageTrackingId++;
}
void send_device_to_cloud_message()
{
if (platform_init() != 0)
{
printf("Failed initializing platform.\r\n");
return;
}
// Setup IoTHub client configuration
IOTHUB_CLIENT_HANDLE iothub_client_handle = IoTHubClient_CreateFromConnectionString(connection_string, AMQP_Protocol);
if (iothub_client_handle == nullptr)
{
printf("Failed on IoTHubClient_Create\r\n");
}
else
{
std::string message = "Hello, Cloud from C++!";
IOTHUB_MESSAGE_HANDLE message_handle = IoTHubMessage_CreateFromByteArray((const unsigned char*)message.data(), message.size());
if (message_handle == nullptr)
{
printf("unable to create a new IoTHubMessage\n");
}
else
{
callback_parameter callback_param = { message };
if (IoTHubClient_SendEventAsync(iothub_client_handle, message_handle, send_callback, &callback_param) != IOTHUB_CLIENT_OK)
{
printf("failed to hand over the message to IoTHubClient");
}
else
{
printf("IoTHubClient accepted the message for delivery\n");
}
IoTHubMessage_Destroy(message_handle);
callback_param.completion.get_future().wait();
}
printf("Done!\n");
}
IoTHubClient_Destroy(iothub_client_handle);
platform_deinit();
}
static void sendMessage(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const unsigned char* buffer, size_t size)
{
IOTHUB_MESSAGE_HANDLE messageHandle = IoTHubMessage_CreateFromByteArray(buffer, size);
if (messageHandle == NULL)
{
(void)printf("unable to create a new IoTHubMessage\r\n");
}
else
{
if (IoTHubClient_SendEventAsync(iotHubClientHandle, messageHandle, NULL, NULL) != IOTHUB_CLIENT_OK)
{
(void)printf("failed to hand over the message to IoTHubClient\r\n");
}
else
{
(void)printf("IoTHubClient accepted the message for delivery\r\n");
}
IoTHubMessage_Destroy(messageHandle);
}
free((void*)buffer);
}
static void sendMessage(IOTHUB_CLIENT_HANDLE iotHubClientHandle, const unsigned char* buffer, size_t size)
{
static unsigned int messageTrackingId;
IOTHUB_MESSAGE_HANDLE messageHandle = IoTHubMessage_CreateFromByteArray(buffer, size);
if (messageHandle == NULL)
{
printf("unable to create a new IoTHubMessage\r\n");
}
else
{
if (IoTHubClient_SendEventAsync(iotHubClientHandle, messageHandle, sendCallback, (void*)(uintptr_t)messageTrackingId) != IOTHUB_CLIENT_OK)
{
printf("failed to hand over the message to IoTHubClient");
}
else
{
printf("IoTHubClient accepted the message for delivery\r\n");
}
IoTHubMessage_Destroy(messageHandle);
}
free((void*)buffer);
messageTrackingId++;
}
void iothub_client_sample_amqp_websockets_run(void)
{
IOTHUB_CLIENT_HANDLE iotHubClientHandle;
EVENT_INSTANCE messages[MESSAGE_COUNT];
srand((unsigned int)time(NULL));
double avgWindSpeed = 10.0;
double minTemperature = 20.0;
double minHumidity = 60.0;
double temperature = 0;
double humidity = 0;
callbackCounter = 0;
int receiveContext = 0;
(void)printf("Starting the IoTHub client sample AMQP over WebSockets...\r\n");
if (platform_init() != 0)
{
(void)printf("ERROR: failed initializing the platform.\r\n");
}
else if ((iotHubClientHandle = IoTHubClient_CreateFromConnectionString(connectionString, AMQP_Protocol_over_WebSocketsTls)) == NULL)
{
(void)printf("ERROR: iotHubClientHandle is NULL!\r\n");
platform_deinit();
}
else
{
// For mbed add the certificate information
if (IoTHubClient_SetOption(iotHubClientHandle, "TrustedCerts", certificates) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"TrustedCerts\"\r\n");
}
/* Setting Message call back, so we can receive Commands. */
if (IoTHubClient_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, &receiveContext) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_SetMessageCallback..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_SetMessageCallback...successful.\r\n");
/* Now that we are ready to receive commands, let's send some messages */
for (size_t i = 0; i < MESSAGE_COUNT; i++)
{
temperature = minTemperature + (rand() % 10);
humidity = minHumidity + (rand() % 20);
sprintf_s(msgText, sizeof(msgText), "{\"deviceId\":\"myFirstDevice\",\"windSpeed\":%.2f,\"temperature\":%.2f,\"humidity\":%.2f}", avgWindSpeed + (rand() % 4 + 2), temperature, humidity);
if ((messages[i].messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText))) == NULL)
{
(void)printf("ERROR: iotHubMessageHandle is NULL!\r\n");
}
else
{
messages[i].messageTrackingId = (int)i;
MAP_HANDLE propMap = IoTHubMessage_Properties(messages[i].messageHandle);
(void)sprintf_s(propText, sizeof(propText), temperature > 28 ? "true" : "false");
if (Map_AddOrUpdate(propMap, "temperatureAlert", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_SendEventAsync(iotHubClientHandle, messages[i].messageHandle, SendConfirmationCallback, &messages[i]) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_SendEventAsync..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_SendEventAsync accepted data for transmission to IoT Hub.\r\n");
}
}
}
/* Wait for Commands. */
(void)printf("Press any key to exit the application. \r\n");
(void)getchar();
}
IoTHubClient_Destroy(iotHubClientHandle);
platform_deinit();
}
}
static void SendEvent(IOTHUB_PROVISIONED_DEVICE* deviceToUse)
{
// arrange
IOTHUB_CLIENT_HANDLE iotHubClientHandle;
IOTHUB_MESSAGE_HANDLE msgHandle;
EXPECTED_SEND_DATA* sendData = EventData_Create();
ASSERT_IS_NOT_NULL(sendData, "Failure creating data to be sent");
// Send the Event
{
IOTHUB_CLIENT_RESULT result;
// Create the IoT Hub Data
iotHubClientHandle = IoTHubClient_CreateFromConnectionString(deviceToUse->connectionString, HTTP_Protocol);
ASSERT_IS_NOT_NULL(iotHubClientHandle, "Failure creating IothubClient handle");
msgHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)sendData->expectedString, strlen(sendData->expectedString));
ASSERT_IS_NOT_NULL(msgHandle, "Failure to create message handle");
if (deviceToUse->howToCreate == IOTHUB_ACCOUNT_AUTH_X509) {
result = IoTHubClient_SetOption(iotHubClientHandle, OPTION_X509_CERT, deviceToUse->certificate);
ASSERT_ARE_EQUAL(IOTHUB_CLIENT_RESULT, IOTHUB_CLIENT_OK, result, "Could not set the device x509 certificate");
result = IoTHubClient_SetOption(iotHubClientHandle, OPTION_X509_PRIVATE_KEY, deviceToUse->primaryAuthentication);
ASSERT_ARE_EQUAL(IOTHUB_CLIENT_RESULT, IOTHUB_CLIENT_OK, result, "Could not set the device x509 privateKey");
}
// act
result = IoTHubClient_SendEventAsync(iotHubClientHandle, msgHandle, ReceiveConfirmationCallback, sendData);
ASSERT_ARE_EQUAL(IOTHUB_CLIENT_RESULT, IOTHUB_CLIENT_OK, result, "Failure calling IoTHubClient_SendEventAsync");
}
time_t beginOperation, nowTime;
beginOperation = time(NULL);
while (
(nowTime = time(NULL)),
(difftime(nowTime, beginOperation) < MAX_CLOUD_TRAVEL_TIME) // time box
)
{
if (Lock(sendData->lock) != LOCK_OK)
{
ASSERT_FAIL("unable to lock");
}
else
{
if (sendData->dataWasRecv)
{
Unlock(sendData->lock);
break;
}
Unlock(sendData->lock);
}
ThreadAPI_Sleep(100);
}
if (Lock(sendData->lock) != LOCK_OK)
{
ASSERT_FAIL("unable to lock");
}
else
{
ASSERT_IS_TRUE(sendData->dataWasRecv, "Failure sending data to IotHub"); // was found is written by the callback...
(void)Unlock(sendData->lock);
}
{
IOTHUB_TEST_HANDLE iotHubTestHandle = IoTHubTest_Initialize(IoTHubAccount_GetEventHubConnectionString(g_iothubAcctInfo1), IoTHubAccount_GetIoTHubConnString(g_iothubAcctInfo1), deviceToUse->deviceId, IoTHubAccount_GetEventhubListenName(g_iothubAcctInfo1), IoTHubAccount_GetEventhubAccessKey(g_iothubAcctInfo1), IoTHubAccount_GetSharedAccessSignature(g_iothubAcctInfo1), IoTHubAccount_GetEventhubConsumerGroup(g_iothubAcctInfo1));
ASSERT_IS_NOT_NULL(iotHubTestHandle);
IOTHUB_TEST_CLIENT_RESULT result = IoTHubTest_ListenForEventForMaxDrainTime(iotHubTestHandle, IoTHubCallback, IoTHubAccount_GetIoTHubPartitionCount(g_iothubAcctInfo1), sendData);
ASSERT_ARE_EQUAL(IOTHUB_TEST_CLIENT_RESULT, IOTHUB_TEST_CLIENT_OK, result);
IoTHubTest_Deinit(iotHubTestHandle);
}
// assert
ASSERT_IS_TRUE(sendData->wasFound, "Failure receiving data from eventhub"); // was found is written by the callback...*/
// cleanup
IoTHubMessage_Destroy(msgHandle);
IoTHubClient_Destroy(iotHubClientHandle);
EventData_Destroy(sendData);
}
static int sendEventLoop(IOTHUB_CLIENT_HANDLE iotHubClientHandle, LONGHAUL_SEND_TEST_STATE* test_state)
{
int result = 0;
#ifndef MBED_BUILD_TIMESTAMP
IOTHUB_TEST_HANDLE iotHubTestHandle;
if ((iotHubTestHandle = IoTHubTest_Initialize(IoTHubAccount_GetEventHubConnectionString(g_iothubAcctInfo), IoTHubAccount_GetIoTHubConnString(g_iothubAcctInfo), IoTHubAccount_GetDeviceId(g_iothubAcctInfo), IoTHubAccount_GetDeviceKey(g_iothubAcctInfo), IoTHubAccount_GetEventhubListenName(g_iothubAcctInfo), IoTHubAccount_GetEventhubAccessKey(g_iothubAcctInfo), IoTHubAccount_GetSharedAccessSignature(g_iothubAcctInfo), IoTHubAccount_GetEventhubConsumerGroup(g_iothubAcctInfo))) == NULL)
{
LogError("Failed initializing the Event Hub test client.");
result = __LINE__;
}
else
{
initializeSendStatistics(&test_state->statistics);
#endif
time_t testInitialTime;
if ((testInitialTime = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the initial time of the test (time(NULL) failed).");
result = __LINE__;
}
else
{
time_t loopIterationStartTimeInSeconds, loopIterationEndTimeInSeconds;
double loopIterationTotalTime;
time_t testCurrentTime;
while (result == 0)
{
if ((testCurrentTime = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the current time of the test (time(NULL) failed)");
result = __LINE__;
break;
}
else if (difftime(testCurrentTime, testInitialTime) > test_state->profile->totalRunTimeInSeconds)
{
LogInfo("Test run for the expected duration (%d seconds)", test_state->profile->totalRunTimeInSeconds);
break;
}
if ((loopIterationStartTimeInSeconds = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the initial time of the send/receive loop (time(NULL) failed)");
result = __LINE__;
break;
}
if (test_state->timeUntilNextSendEventInSeconds <= 0.0)
{
EXPECTED_SEND_DATA* sendData;
IOTHUB_MESSAGE_HANDLE msgHandle;
if ((sendData = EventData_Create()) == NULL)
{
LogError("Failed creating EXPECTED_SEND_DATA.");
result = __LINE__;
}
else
{
if ((msgHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)sendData->expectedString, strlen(sendData->expectedString))) == NULL)
{
LogError("Failed creating IOTHUB_MESSAGE_HANDLE.");
result = __LINE__;
}
else
{
if (IoTHubClient_SendEventAsync(iotHubClientHandle, msgHandle, SendConfirmationCallback, sendData) != IOTHUB_CLIENT_OK)
{
LogError("Call to IoTHubClient_SendEventAsync failed.");
result = __LINE__;
}
else
{
bool dataWasSent = false;
time_t beginOperation, nowTime;
if ((beginOperation = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting beginOperation (time(NULL) failed).");
result = __LINE__;
}
else
{
do
{
if (Lock(sendData->lock) != LOCK_OK)
{
LogError("Unable to lock to flag event sent.");
break;
}
else
{
if (sendData->dataWasSent)
{
dataWasSent = true;
Unlock(sendData->lock);
break;
}
Unlock(sendData->lock);
}
ThreadAPI_Sleep(100);
if ((nowTime = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting nowTime (time(NULL) failed).");
result = __LINE__;
break;
}
} while (difftime(nowTime, beginOperation) < MAX_CLOUD_TRAVEL_TIME);
if (!dataWasSent)
{
LogError("Failure sending data to IotHub");
result = __LINE__;
}
else
{
#ifdef MBED_BUILD_TIMESTAMP
if (verifyEventReceivedByHub(sendData) != 0)
{
result = __LINE__;
}
else
{
#else
if (verifyEventReceivedByHub(sendData, iotHubTestHandle) != 0)
{
result = __LINE__;
}
else
{
computeSendStatistics(&test_state->statistics, sendData);
#endif
test_state->timeUntilNextSendEventInSeconds = test_state->profile->eventFrequencyInSecs[test_state->sendFrequencyIndex];
if ((test_state->sendFrequencyIndex + 1) < test_state->profile->numberOfEventFrequencyVariations) test_state->sendFrequencyIndex++;
}
}
}
}
IoTHubMessage_Destroy(msgHandle);
}
EventData_Destroy(sendData);
}
}
ThreadAPI_Sleep(500);
if ((loopIterationEndTimeInSeconds = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the end time of the send loop iteration (time(NULL) failed)");
result = __LINE__;
}
else
{
loopIterationTotalTime = difftime(loopIterationEndTimeInSeconds, loopIterationStartTimeInSeconds);
test_state->timeUntilNextSendEventInSeconds -= loopIterationTotalTime;
}
} // While loop
}
#ifndef MBED_BUILD_TIMESTAMP
printSendStatistics(&test_state->statistics);
IoTHubTest_Deinit(iotHubTestHandle);
}
#endif
return result;
}
static int receiveMessageLoop(IOTHUB_CLIENT_HANDLE iotHubClientHandle, LONGHAUL_RECEIVE_TEST_STATE* test_state)
{
int result = 0;
#ifndef MBED_BUILD_TIMESTAMP
IOTHUB_TEST_HANDLE iotHubTestHandle;
if ((iotHubTestHandle = IoTHubTest_Initialize(IoTHubAccount_GetEventHubConnectionString(g_iothubAcctInfo), IoTHubAccount_GetIoTHubConnString(g_iothubAcctInfo), IoTHubAccount_GetDeviceId(g_iothubAcctInfo), IoTHubAccount_GetDeviceKey(g_iothubAcctInfo), IoTHubAccount_GetEventhubListenName(g_iothubAcctInfo), IoTHubAccount_GetEventhubAccessKey(g_iothubAcctInfo), IoTHubAccount_GetSharedAccessSignature(g_iothubAcctInfo), IoTHubAccount_GetEventhubConsumerGroup(g_iothubAcctInfo))) == NULL)
{
LogError("Failed initializing the Event Hub test client.");
result = __LINE__;
}
else
{
initializeReceiveStatistics(&test_state->statistics);
#endif
time_t testInitialTime;
if ((testInitialTime = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the initial time of the test (time(NULL) failed).");
result = __LINE__;
}
else
{
time_t loopIterationStartTimeInSeconds, loopIterationEndTimeInSeconds;
double loopIterationTotalTime;
time_t testCurrentTime;
while (result == 0)
{
if ((testCurrentTime = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the current time of the test (time(NULL) failed)");
result = __LINE__;
break;
}
else if (difftime(testCurrentTime, testInitialTime) > test_state->profile->totalRunTimeInSeconds)
{
LogInfo("Test run for the expected duration (%d seconds)", test_state->profile->totalRunTimeInSeconds);
break;
}
if ((loopIterationStartTimeInSeconds = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the initial time of the receive loop iteration (time(NULL) failed)");
result = __LINE__;
break;
}
if (test_state->timeUntilNextReceiveMessageInSeconds <= 0.0)
{
EXPECTED_RECEIVE_DATA* receiveData;
if ((receiveData = MessageData_Create()) == NULL)
{
LogError("Failed creating EXPECTED_RECEIVE_DATA.");
result = __LINE__;
}
else
{
IOTHUB_TEST_CLIENT_RESULT sendResult;
if (IoTHubClient_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, receiveData) != IOTHUB_CLIENT_OK)
{
LogError("Call to IoTHubClient_SetMessageCallback failed.");
result = __LINE__;
}
else if ((sendResult = IoTHubTest_SendMessage(iotHubTestHandle, (const unsigned char*)receiveData->data, receiveData->dataSize)) != IOTHUB_TEST_CLIENT_OK)
{
LogError("Call to IoTHubTest_SendMessage failed (%i).", sendResult);
result = __LINE__;
}
else
{
if ((receiveData->timeSent = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting receiveData->timeSent (time(NULL) failed)");
}
time_t beginOperation, nowTime;
if ((beginOperation = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting beginOperation (time(NULL) failed).");
result = __LINE__;
}
else
{
do
{
if (Lock(receiveData->lock) != LOCK_OK)
{
LogError("Unable to lock to verify if C2D message has been received.");
result = __LINE__;
break;
}
else
{
if (receiveData->receivedByClient)
{
(void)Unlock(receiveData->lock);
break;
}
(void)Unlock(receiveData->lock);
}
ThreadAPI_Sleep(100);
if ((nowTime = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting nowTime (time(NULL) failed).");
result = __LINE__;
break;
}
} while (difftime(nowTime, beginOperation) < MAX_CLOUD_TRAVEL_TIME);
if (result == 0)
{
if (!receiveData->receivedByClient)
{
LogError("Failure retrieving data from C2D");
result = __LINE__;
}
else
{
#ifndef MBED_BUILD_TIMESTAMP
computeReceiveStatistics(&test_state->statistics, receiveData);
#endif
test_state->timeUntilNextReceiveMessageInSeconds = test_state->profile->messageFrequencyInSecs[test_state->receiveFrequencyIndex];
if ((test_state->receiveFrequencyIndex + 1) < test_state->profile->numberOfMessageFrequencyVariations) test_state->receiveFrequencyIndex++;
}
}
}
}
MessageData_Destroy(receiveData);
}
}
ThreadAPI_Sleep(500);
if ((loopIterationEndTimeInSeconds = time(NULL)) == INDEFINITE_TIME)
{
LogError("Failed setting the end time of the receive loop iteration (time(NULL) failed)");
result = __LINE__;
}
else
{
loopIterationTotalTime = difftime(loopIterationEndTimeInSeconds, loopIterationStartTimeInSeconds);
test_state->timeUntilNextReceiveMessageInSeconds -= loopIterationTotalTime;
}
} // While loop
}
#ifndef MBED_BUILD_TIMESTAMP
printReceiveStatistics(&test_state->statistics);
IoTHubTest_Deinit(iotHubTestHandle);
}
#endif
return result;
}
void iothub_client_sample_amqp_run(void)
{
IOTHUB_CLIENT_HANDLE iotHubClientHandle;
EVENT_INSTANCE messages[MESSAGE_COUNT];
srand((unsigned int)time(NULL));
double avgWindSpeed = 10.0;
callbackCounter = 0;
int receiveContext = 0;
(void)printf("Starting the IoTHub client sample AMQP...\r\n");
if ((iotHubClientHandle = IoTHubClient_CreateFromConnectionString(connectionString, AMQP_Protocol)) == NULL)
{
(void)printf("ERROR: iotHubClientHandle is NULL!\r\n");
}
else
{
#ifdef MBED_BUILD_TIMESTAMP
// For mbed add the certificate information
if (IoTHubClient_SetOption(iotHubClientHandle, "TrustedCerts", certificates) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"TrustedCerts\"\r\n");
}
#endif // MBED_BUILD_TIMESTAMP
/* Setting Message call back, so we can receive Commands. */
if (IoTHubClient_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, &receiveContext) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_SetMessageCallback..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_SetMessageCallback...successful.\r\n");
/* Now that we are ready to receive commands, let's send some messages */
for (size_t i = 0; i < MESSAGE_COUNT; i++)
{
sprintf_s(msgText, sizeof(msgText), "{\"deviceId\":\"myFirstDevice\",\"windSpeed\":%.2f}", avgWindSpeed+(rand()%4+2) );
if ((messages[i].messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText))) == NULL)
{
(void)printf("ERROR: iotHubMessageHandle is NULL!\r\n");
}
else
{
messages[i].messageTrackingId = i;
MAP_HANDLE propMap = IoTHubMessage_Properties(messages[i].messageHandle);
sprintf_s(propText, sizeof(propText), "PropMsg_%d", i);
if (Map_AddOrUpdate(propMap, "PropName", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_SendEventAsync(iotHubClientHandle, messages[i].messageHandle, SendConfirmationCallback, &messages[i]) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_SendEventAsync..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_SendEventAsync accepted data for transmission to IoT Hub.\r\n");
}
}
}
/* Wait for Commands. */
(void)printf("Press any key to exit the application. \r\n");
(void)getchar();
}
IoTHubClient_Destroy(iotHubClientHandle);
}
}
