static void sendMessage(IOTHUB_CLIENT_LL_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_LL_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);
}
messageTrackingId++;
}
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 IOTHUBMESSAGE_DISPOSITION_RESULT ReceiveMessageCallback(IOTHUB_MESSAGE_HANDLE message, void* userContextCallback)
{
int* counter = (int*)userContextCallback;
const char* buffer;
size_t size;
MAP_HANDLE mapProperties;
const char* messageId;
const char* correlationId;
// Message properties
if ((messageId = IoTHubMessage_GetMessageId(message)) == NULL)
{
messageId = "<null>";
}
if ((correlationId = IoTHubMessage_GetCorrelationId(message)) == NULL)
{
correlationId = "<null>";
}
// Message content
if (IoTHubMessage_GetByteArray(message, (const unsigned char**)&buffer, &size) != IOTHUB_MESSAGE_OK)
{
printf("unable to retrieve the message data\r\n");
}
else
{
(void)printf("Received Message [%d]\r\n Message ID: %s\r\n Correlation ID: %s\r\n Data: <<<%.*s>>> & Size=%d\r\n", *counter, messageId, correlationId, (int)size, buffer, (int)size);
}
// Retrieve properties from the message
mapProperties = IoTHubMessage_Properties(message);
if (mapProperties != NULL)
{
const char*const* keys;
const char*const* values;
size_t propertyCount = 0;
if (Map_GetInternals(mapProperties, &keys, &values, &propertyCount) == MAP_OK)
{
if (propertyCount > 0)
{
size_t index;
printf(" Message Properties:\r\n");
for (index = 0; index < propertyCount; index++)
{
printf("\tKey: %s Value: %s\r\n", keys[index], values[index]);
}
printf("\r\n");
}
}
}
/* Some device specific action code goes here... */
(*counter)++;
return IOTHUBMESSAGE_ACCEPTED;
}
static int create_events(EVENT_INSTANCE* events, const char* deviceId)
{
int result = 0;
srand((unsigned int)time(NULL));
double avgWindSpeed = 10.0;
double minTemperature = 20.0;
double minHumidity = 60.0;
double temperature = 0;
double humidity = 0;
int i;
for (i = 0; i < MESSAGE_COUNT; i++)
{
temperature = minTemperature + (rand() % 10);
humidity = minHumidity + (rand() % 20);
if (sprintf_s(msgText, sizeof(msgText), "{\"deviceId\":\"myFirstDevice\",\"windSpeed\":%.2f,\"temperature\":%.2f,\"humidity\":%.2f}", avgWindSpeed + (rand() % 4 + 2), temperature, humidity) == 0)
{
(void)printf("ERROR: failed creating event message for device %s\r\n", deviceId);
result = MU_FAILURE;
}
else if ((events[i].messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText))) == NULL)
{
(void)printf("ERROR: failed creating the IOTHUB_MESSAGE_HANDLE for device %s\r\n", deviceId);
result = MU_FAILURE;
}
else
{
MAP_HANDLE propMap;
if ((propMap = IoTHubMessage_Properties(events[i].messageHandle)) == NULL)
{
(void)printf("ERROR: failed getting device %s's message property map\r\n", deviceId);
result = MU_FAILURE;
}
else if (sprintf_s(propText, sizeof(propText), temperature > 28 ? "true" : "false") == 0)
{
(void)printf("ERROR: sprintf_s failed for device %s's message property\r\n", deviceId);
result = MU_FAILURE;
}
else if (Map_AddOrUpdate(propMap, "temperatureAlert", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate failed for device %s\r\n", deviceId);
result = MU_FAILURE;
}
else
{
events[i].deviceId = deviceId;
events[i].messageTrackingId = i;
result = 0;
}
}
}
return result;
}
static IOTHUBMESSAGE_DISPOSITION_RESULT ReceiveMessageCallback(IOTHUB_MESSAGE_HANDLE message, void* userContextCallback)
{
int* counter = (int*)userContextCallback;
const char* buffer;
size_t size;
MAP_HANDLE mapProperties;
if (IoTHubMessage_GetByteArray(message, (const unsigned char**)&buffer, &size) != IOTHUB_MESSAGE_OK)
{
printf("unable to retrieve the message data\r\n");
}
else
{
(void)printf("Received Message [%d] with Data: <<<%.*s>>> & Size=%zu\r\n", *counter, (int)size, buffer, size);
if (size == 4 && memcmp(buffer, "quit", size) == 0)
{
g_continueRunning = false;
}
}
// Retrieve properties from the message
mapProperties = IoTHubMessage_Properties(message);
if (mapProperties != NULL)
{
const char*const* keys;
const char*const* values;
size_t propertyCount = 0;
if (Map_GetInternals(mapProperties, &keys, &values, &propertyCount) == MAP_OK)
{
if (propertyCount > 0)
{
size_t index;
printf("Message Properties:\r\n");
for (index = 0; index < propertyCount; index++)
{
printf("\tKey: %s Value: %s\r\n", keys[index], values[index]);
}
printf("\r\n");
}
}
}
/* Some device specific action code goes here... */
(*counter)++;
return IOTHUBMESSAGE_ACCEPTED;
}
void iothub_client_sample_http_run(void)
{
IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
EVENT_INSTANCE messages[MESSAGE_COUNT];
double avgWindSpeed = 10.0;
int receiveContext = 0;
g_continueRunning = true;
srand((unsigned int)time(NULL));
callbackCounter = 0;
if (platform_init() != 0)
{
printf("Failed to initialize the platform.\r\n");
}
else
{
(void)printf("Starting the IoTHub client sample HTTP x509...\r\n");
if ((iotHubClientHandle = IoTHubClient_LL_CreateFromConnectionString(connectionString, HTTP_Protocol)) == NULL)
{
(void)printf("ERROR: iotHubClientHandle is NULL!\r\n");
}
else
{
unsigned int timeout = 241000;
// Because it can poll "after 9 seconds" polls will happen effectively // at ~10 seconds.
// Note that for scalabilty, the default value of minimumPollingTime
// is 25 minutes. For more information, see:
// https://azure.microsoft.com/documentation/articles/iot-hub-devguide/#messaging
unsigned int minimumPollingTime = 9;
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "timeout", &timeout) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"timeout\"\r\n");
}
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "MinimumPollingTime", &minimumPollingTime) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"MinimumPollingTime\"\r\n");
}
/*this brings in x509 privateKey and certificate*/
if (
(IoTHubClient_LL_SetOption(iotHubClientHandle, "x509certificate", x509certificate) != IOTHUB_CLIENT_OK) ||
(IoTHubClient_LL_SetOption(iotHubClientHandle, "x509privatekey", x509privatekey) != IOTHUB_CLIENT_OK)
)
{
printf("failure to set options for x509, aborting\r\n");
}
else
{
#ifdef MBED_BUILD_TIMESTAMP
// For mbed add the certificate information
if (IoTHubClient_LL_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_LL_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, &receiveContext) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SetMessageCallback..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SetMessageCallback...successful.\r\n");
/* Now that we are ready to receive commands, let's send some messages */
size_t iterator = 0;
do
{
if (iterator < MESSAGE_COUNT)
{
sprintf_s(msgText, sizeof(msgText), "{\"deviceId\": \"myFirstDevice\",\"windSpeed\": %.2f}", avgWindSpeed + (rand() % 4 + 2));
if ((messages[iterator].messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText))) == NULL)
{
(void)printf("ERROR: iotHubMessageHandle is NULL!\r\n");
}
else
{
MAP_HANDLE propMap;
messages[iterator].messageTrackingId = iterator;
propMap = IoTHubMessage_Properties(messages[iterator].messageHandle);
sprintf_s(propText, sizeof(propText), "PropMsg_%d", iterator);
if (Map_AddOrUpdate(propMap, "PropName", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_LL_SendEventAsync(iotHubClientHandle, messages[iterator].messageHandle, SendConfirmationCallback, &messages[iterator]) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SendEventAsync..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SendEventAsync accepted message [%zu] for transmission to IoT Hub.\r\n", iterator);
}
}
}
IoTHubClient_LL_DoWork(iotHubClientHandle);
ThreadAPI_Sleep(1);
iterator++;
} while (g_continueRunning);
(void)printf("iothub_client_sample_mqtt has gotten quit message, call DoWork %d more time to complete final sending...\r\n", DOWORK_LOOP_NUM);
for (size_t index = 0; index < DOWORK_LOOP_NUM; index++)
{
IoTHubClient_LL_DoWork(iotHubClientHandle);
ThreadAPI_Sleep(1);
}
}
}
IoTHubClient_LL_Destroy(iotHubClientHandle);
}
platform_deinit();
}
}
static IOTHUBMESSAGE_DISPOSITION_RESULT ReceiveMessageCallback(IOTHUB_MESSAGE_HANDLE message, void* userContextCallback)
{
int* counter = (int*)userContextCallback;
const unsigned char* buffer = NULL;
size_t size = 0;
const char* messageId;
const char* correlationId;
// Message properties
if ((messageId = IoTHubMessage_GetMessageId(message)) == NULL)
{
messageId = "<null>";
}
if ((correlationId = IoTHubMessage_GetCorrelationId(message)) == NULL)
{
correlationId = "<null>";
}
// Message content
IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message);
if (contentType == IOTHUBMESSAGE_BYTEARRAY)
{
if (IoTHubMessage_GetByteArray(message, &buffer, &size) == IOTHUB_MESSAGE_OK)
{
(void)printf("Received Message [%d]\r\n Message ID: %s\r\n Correlation ID: %s\r\n BINARY Data: <<<%.*s>>> & Size=%d\r\n", *counter, messageId, correlationId, (int)size, buffer, (int)size);
}
else
{
(void)printf("Failed getting the BINARY body of the message received.\r\n");
}
}
else if (contentType == IOTHUBMESSAGE_STRING)
{
if ((buffer = (const unsigned char*)IoTHubMessage_GetString(message)) != NULL && (size = strlen((const char*)buffer)) > 0)
{
(void)printf("Received Message [%d]\r\n Message ID: %s\r\n Correlation ID: %s\r\n STRING Data: <<<%.*s>>> & Size=%d\r\n", *counter, messageId, correlationId, (int)size, buffer, (int)size);
}
else
{
(void)printf("Failed getting the STRING body of the message received.\r\n");
}
}
else
{
(void)printf("Failed getting the body of the message received (type %i).\r\n", contentType);
}
// Retrieve properties from the message
MAP_HANDLE mapProperties = IoTHubMessage_Properties(message);
if (mapProperties != NULL)
{
const char*const* keys;
const char*const* values;
size_t propertyCount = 0;
if (Map_GetInternals(mapProperties, &keys, &values, &propertyCount) == MAP_OK)
{
if (propertyCount > 0)
{
size_t index;
printf(" Message Properties:\r\n");
for (index = 0; index < propertyCount; index++)
{
printf("\tKey: %s Value: %s\r\n", keys[index], values[index]);
}
printf("\r\n");
}
}
}
(*counter)++;
/* Some device specific action code goes here... */
return IOTHUBMESSAGE_ACCEPTED;
}
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();
}
}
void iothub_client_sample_mqtt_run(void)
{
IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
EVENT_INSTANCE messages[MESSAGE_COUNT];
g_continueRunning = true;
srand((unsigned int)time(NULL));
double avgWindSpeed = 10.0;
callbackCounter = 0;
int receiveContext = 0;
if (platform_init() != 0)
{
(void)printf("Failed to initialize the platform.\r\n");
}
else
{
if ((iotHubClientHandle = IoTHubClient_LL_CreateFromConnectionString(connectionString, MQTT_Protocol)) == NULL)
{
(void)printf("ERROR: iotHubClientHandle is NULL!\r\n");
}
else
{
bool traceOn = true;
IoTHubClient_LL_SetOption(iotHubClientHandle, "logtrace", &traceOn);
#ifdef MBED_BUILD_TIMESTAMP
// For mbed add the certificate information
if (IoTHubClient_LL_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_LL_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, &receiveContext) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SetMessageCallback..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SetMessageCallback...successful.\r\n");
/* Now that we are ready to receive commands, let's send some messages */
size_t iterator = 0;
do
{
if (iterator < MESSAGE_COUNT)
{
sprintf_s(msgText, sizeof(msgText), "{\"deviceId\":\"myFirstDevice\",\"windSpeed\":%.2f}", avgWindSpeed + (rand() % 4 + 2));
if ((messages[iterator].messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText))) == NULL)
{
(void)printf("ERROR: iotHubMessageHandle is NULL!\r\n");
}
else
{
messages[iterator].messageTrackingId = iterator;
MAP_HANDLE propMap = IoTHubMessage_Properties(messages[iterator].messageHandle);
sprintf_s(propText, sizeof(propText), "PropMsg_%d", iterator);
if (Map_AddOrUpdate(propMap, "PropName", propText) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_LL_SendEventAsync(iotHubClientHandle, messages[iterator].messageHandle, SendConfirmationCallback, &messages[iterator]) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SendEventAsync..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SendEventAsync accepted message [%d] for transmission to IoT Hub.\r\n", (int)iterator);
}
}
}
IoTHubClient_LL_DoWork(iotHubClientHandle);
ThreadAPI_Sleep(1);
iterator++;
} while (g_continueRunning);
(void)printf("iothub_client_sample_mqtt has gotten quit message, call DoWork %d more time to complete final sending...\r\n", DOWORK_LOOP_NUM);
for (size_t index = 0; index < DOWORK_LOOP_NUM; index++)
{
IoTHubClient_LL_DoWork(iotHubClientHandle);
ThreadAPI_Sleep(1);
}
}
IoTHubClient_LL_Destroy(iotHubClientHandle);
}
platform_deinit();
}
}
void iothub_client_sample_http_run(void)
{
IOTHUB_CLIENT_LL_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 HTTP...\r\n");
if ((iotHubClientHandle = IoTHubClient_LL_CreateFromConnectionString(connectionString, HTTP_Protocol)) == NULL)
{
(void)printf("ERROR: iotHubClientHandle is NULL!\r\n");
}
else
{
unsigned int timeout = 241000;
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "timeout", &timeout) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"timeout\"\r\n");
}
unsigned int minimumPollingTime = 9; /*because it can poll "after 9 seconds" polls will happen effectively at ~10 seconds*/
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "MinimumPollingTime", &minimumPollingTime) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"MinimumPollingTime\"\r\n");
}
#ifdef MBED_BUILD_TIMESTAMP
// For mbed add the certificate information
if (IoTHubClient_LL_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_LL_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, &receiveContext) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SetMessageCallback..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SetMessageCallback...successful.\r\n");
/* Now that we are ready to receive commands, let's send some messages */
for (int 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_LL_SendEventAsync(iotHubClientHandle, messages[i].messageHandle, SendConfirmationCallback, &messages[i]) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SendEventAsync..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SendEventAsync accepted message [%d] for transmission to IoT Hub.\r\n", i);
}
}
}
}
/* Wait for Commands. */
while (1)
{
IoTHubClient_LL_DoWork(iotHubClientHandle);
ThreadAPI_Sleep(1);
}
IoTHubClient_LL_Destroy(iotHubClientHandle);
}
}
static void RecvMessage(IOTHUB_PROVISIONED_DEVICE* deviceToUse)
{
// arrange
IOTHUB_CLIENT_HANDLE iotHubClientHandle;
IOTHUB_SERVICE_CLIENT_AUTH_HANDLE iotHubServiceClientHandle;
IOTHUB_MESSAGING_CLIENT_HANDLE iotHubMessagingHandle;
IOTHUB_MESSAGING_RESULT iotHubMessagingResult;
IOTHUB_MESSAGE_RESULT iotHubMessageResult;
EXPECTED_RECEIVE_DATA* receiveUserContext;
IOTHUB_MESSAGE_HANDLE messageHandle;
// act
IoTHub_Init();
// Create Service Client
iotHubServiceClientHandle = IoTHubServiceClientAuth_CreateFromConnectionString(IoTHubAccount_GetIoTHubConnString(g_iothubAcctInfo1));
ASSERT_IS_NOT_NULL(iotHubServiceClientHandle, "Could not initialize IoTHubServiceClient to send C2D messages to the device");
iotHubMessagingHandle = IoTHubMessaging_Create(iotHubServiceClientHandle);
ASSERT_IS_NOT_NULL(iotHubMessagingHandle, "Could not initialize IoTHubMessaging to send C2D messages to the device");
iotHubMessagingResult = IoTHubMessaging_Open(iotHubMessagingHandle, openCompleteCallback, (void*)"Context string for open");
ASSERT_ARE_EQUAL(int, IOTHUB_MESSAGING_OK, iotHubMessagingResult);
// Create user context and message
receiveUserContext = ReceiveUserContext_Create();
ASSERT_IS_NOT_NULL(receiveUserContext, "Could not create receive user context");
messageHandle = IoTHubMessage_CreateFromString(MSG_CONTENT1);
ASSERT_IS_NOT_NULL(messageHandle, "Could not create IoTHubMessage to send C2D messages to the device");
iotHubMessageResult = IoTHubMessage_SetMessageId(messageHandle, MSG_ID1);
ASSERT_ARE_EQUAL(int, IOTHUB_MESSAGING_OK, iotHubMessageResult);
iotHubMessageResult = IoTHubMessage_SetCorrelationId(messageHandle, MSG_CORRELATION_ID1);
ASSERT_ARE_EQUAL(int, IOTHUB_MESSAGING_OK, iotHubMessageResult);
MAP_HANDLE mapHandle = IoTHubMessage_Properties(messageHandle);
for (size_t i = 0; i < MSG_PROP_COUNT; i++)
{
if (Map_AddOrUpdate(mapHandle, MSG_PROP_KEYS[i], MSG_PROP_VALS[i]) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate failed for property %zu!\r\n", i);
}
}
iotHubMessagingResult = IoTHubMessaging_SendAsync(iotHubMessagingHandle, deviceToUse->deviceId, messageHandle, sendCompleteCallback, receiveUserContext);
ASSERT_ARE_EQUAL(int, IOTHUB_MESSAGING_OK, iotHubMessagingResult, "IoTHubMessaging_SendAsync failed, could not send C2D message to the device");
iotHubClientHandle = IoTHubClient_CreateFromConnectionString(deviceToUse->connectionString, HTTP_Protocol);
ASSERT_IS_NOT_NULL(iotHubClientHandle, "Failure creating Iothub Client");
if (deviceToUse->howToCreate == IOTHUB_ACCOUNT_AUTH_X509) {
IOTHUB_CLIENT_RESULT result;
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");
}
IOTHUB_CLIENT_RESULT result = IoTHubClient_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, receiveUserContext);
ASSERT_ARE_EQUAL(IOTHUB_CLIENT_RESULT, IOTHUB_CLIENT_OK, result, "Failure setting message callback");
unsigned int minimumPollingTime = 1; /*because it should not wait*/
if (IoTHubClient_SetOption(iotHubClientHandle, OPTION_MIN_POLLING_TIME, &minimumPollingTime) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"MinimumPollingTime\"\r\n");
}
time_t beginOperation, nowTime;
beginOperation = time(NULL);
while (
(
(nowTime = time(NULL)),
(difftime(nowTime, beginOperation) < MAX_CLOUD_TRAVEL_TIME) //time box
)
)
{
if (Lock(receiveUserContext->lock) != LOCK_OK)
{
ASSERT_FAIL("unable ot lock");
}
else
{
if (receiveUserContext->wasFound)
{
(void)Unlock(receiveUserContext->lock);
break;
}
(void)Unlock(receiveUserContext->lock);
}
ThreadAPI_Sleep(100);
}
// assert
ASSERT_IS_TRUE(receiveUserContext->wasFound, "Failure retrieving message that was sent to IotHub."); // was found is written by the callback...
// cleanup
IoTHubMessage_Destroy(messageHandle);
IoTHubMessaging_Close(iotHubMessagingHandle);
IoTHubMessaging_Destroy(iotHubMessagingHandle);
IoTHubServiceClientAuth_Destroy(iotHubServiceClientHandle);
IoTHubClient_Destroy(iotHubClientHandle);
ReceiveUserContext_Destroy(receiveUserContext);
}
static IOTHUBMESSAGE_DISPOSITION_RESULT ReceiveMessageCallback(IOTHUB_MESSAGE_HANDLE messageHandle, void* userContextCallback)
{
EXPECTED_RECEIVE_DATA* receiveUserContext = (EXPECTED_RECEIVE_DATA*)userContextCallback;
if (receiveUserContext == NULL)
{
ASSERT_FAIL("User context is NULL");
}
else
{
if (Lock(receiveUserContext->lock) != LOCK_OK)
{
ASSERT_FAIL("Unable to lock"); /*because the test must absolutely be terminated*/
}
else
{
const char* messageId;
const char* correlationId;
const unsigned char* content;
size_t contentSize;
if ((messageId = IoTHubMessage_GetMessageId(messageHandle)) == NULL)
{
ASSERT_FAIL("Message ID is NULL.");
}
if ((strcmp(messageId, MSG_ID1) != 0) && (strcmp(messageId, MSG_ID2) != 0))
{
ASSERT_FAIL("Message ID mismatch.");
}
if ((correlationId = IoTHubMessage_GetCorrelationId(messageHandle)) == NULL)
{
ASSERT_FAIL("Message correlation ID is NULL.");
}
if ((strcmp(correlationId, MSG_CORRELATION_ID1) != 0) && (strcmp(correlationId, MSG_CORRELATION_ID2) != 0))
{
ASSERT_FAIL("Message correlation ID mismatch.");
}
IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(messageHandle);
if (contentType != IOTHUBMESSAGE_BYTEARRAY)
{
ASSERT_FAIL("Message content type mismatch.");
}
else
{
if (IoTHubMessage_GetByteArray(messageHandle, &content, &contentSize) != IOTHUB_MESSAGE_OK)
{
ASSERT_FAIL("Unable to get the content of the message.");
}
else
{
(void)printf("Received new message from IoT Hub :\r\nMessage-id: %s\r\nCorrelation-id: %s\r\n", messageId, correlationId);
(void)printf("\r\n");
}
receiveUserContext->wasFound = true;
MAP_HANDLE mapHandle = IoTHubMessage_Properties(messageHandle);
if (mapHandle != NULL)
{
const char*const* keys;
const char*const* values;
size_t propertyCount = 0;
if (Map_GetInternals(mapHandle, &keys, &values, &propertyCount) == MAP_OK)
{
receiveUserContext->wasFound = true;
if (propertyCount == MSG_PROP_COUNT)
{
(void)printf("Message Properties:\r\n");
for (size_t index = 0; index < propertyCount; index++)
{
(void)printf("\tKey: %s Value: %s\r\n", keys[index], values[index]);
if (strcmp(keys[index], MSG_PROP_KEYS[index]) != 0)
{
receiveUserContext->wasFound = false;
}
if (strcmp(values[index], MSG_PROP_VALS[index]) != 0)
{
receiveUserContext->wasFound = false;
}
}
(void)printf("\r\n");
}
else
{
receiveUserContext->wasFound = false;
}
}
}
}
Unlock(receiveUserContext->lock);
}
}
return IOTHUBMESSAGE_ACCEPTED;
}
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);
}
}
void iothub_messaging_ll_sample_run(void)
{
xlogging_set_log_function(consolelogger_log);
if (platform_init() != 0)
{
(void)printf("Failed to initialize the platform.\r\n");
}
else
{
(void)printf("Calling IoTHubServiceClientAuth_CreateFromConnectionString with connection string\n");
iotHubServiceClientHandle = IoTHubServiceClientAuth_CreateFromConnectionString(connectionString);
if (iotHubServiceClientHandle == NULL)
{
(void)printf("IoTHubServiceClientAuth_CreateFromConnectionString failed\n");
}
else
{
(void)printf("Service Client Authentication handle has been created successfully\n");
(void)printf("Creating Messaging...\n");
iotHubMessagingHandle = IoTHubMessaging_LL_Create(iotHubServiceClientHandle);
if (iotHubMessagingHandle == NULL)
{
(void)printf("IoTHubMessaging_LL_Create failed\n");
}
else
{
(void)printf("Messaging has been created successfully\n");
(void)printf("Opening Messaging...\n");
iotHubMessagingResult = IoTHubMessaging_LL_SetFeedbackMessageCallback(iotHubMessagingHandle, feedbackReceivedCallback, "Context string for feedback");
if (iotHubMessagingResult != IOTHUB_MESSAGING_OK)
{
(void)printf("IoTHubMessaging_LL_SetFeedbackMessageCallback failed\n");
}
else
{
iotHubMessagingResult = IoTHubMessaging_LL_Open(iotHubMessagingHandle, openCompleteCallback, "Context string for open");
if (iotHubMessagingResult != IOTHUB_MESSAGING_OK)
{
(void)printf("IoTHubMessaging_LL_Open failed\n");
}
else
{
for (int i = 0; i < MESSAGE_COUNT; i++)
{
double avgWindSpeed = 10.0;
static char msgText[1024];
sprintf_s(msgText, sizeof(msgText), "{\"deviceId\":%s,\"windSpeed\":%.2f, \"i\":%d}", deviceId, avgWindSpeed + (rand() % 4 + 2), i);
IOTHUB_MESSAGE_HANDLE messageHandle = IoTHubMessage_CreateFromByteArray((const unsigned char*)msgText, strlen(msgText));
if (messageHandle == NULL)
{
(void)printf("IoTHubMessage_CreateFromByteArray failed\n");
break;
}
else
{
IOTHUB_MESSAGE_RESULT iotHubMessageResult;
const char* MSG_ID = "Sample_MessageId";
const char* MSG_CORRELATION_ID = "Sample_MessageCorrelationId";
const char* MSG_PROP_KEYS[3] = { "Sample_Key1", "Sample_Key2", "Sample_Key3" };
const char* MSG_PROP_VALS[3] = { "Sample_Val1", "Sample_Val2", "Sample_Val3" };
iotHubMessageResult = IoTHubMessage_SetMessageId(messageHandle, MSG_ID);
if (iotHubMessageResult != IOTHUB_MESSAGE_OK)
{
(void)printf("IoTHubMessage_SetMessageId failed. Exiting...\n");
IoTHubMessage_Destroy(messageHandle);
break;
}
else
{
iotHubMessageResult = IoTHubMessage_SetCorrelationId(messageHandle, MSG_CORRELATION_ID);
if (iotHubMessageResult != IOTHUB_MESSAGE_OK)
{
(void)printf("IoTHubMessage_SetCorrelationId failed. Exiting...\n");
IoTHubMessage_Destroy(messageHandle);
break;
}
else
{
MAP_HANDLE mapHandle = IoTHubMessage_Properties(messageHandle);
for (size_t j = 0; j < 3; j++)
{
if (Map_AddOrUpdate(mapHandle, MSG_PROP_KEYS[j], MSG_PROP_VALS[j]) != MAP_OK)
{
(void)printf("ERROR: Map_AddOrUpdate failed for property %zu!\r\n", j);
}
}
iotHubMessagingResult = IoTHubMessaging_LL_Send(iotHubMessagingHandle, deviceId, messageHandle, sendCompleteCallback, NULL);
if (iotHubMessagingResult != IOTHUB_MESSAGING_OK)
{
(void)printf("IoTHubMessaging_LL_Send failed\n");
}
else
{
(void)printf("IoTHubMessaging_LL_Send accepted data for transmission to IoT Hub.\r\n");
}
}
}
}
IoTHubMessage_Destroy(messageHandle);
}
feedbackCount = 0;
while (feedbackCount < MESSAGE_COUNT)
{
IoTHubMessaging_LL_DoWork(iotHubMessagingHandle);
ThreadAPI_Sleep(1);
}
/* Wait for user to press a key. */
(void)printf("Press any key to exit the application. \r\n");
(void)getchar();
IoTHubMessaging_LL_Close(iotHubMessagingHandle);
}
}
(void)printf("Calling IoTHubMessaging_LL_Destroy...\n");
IoTHubMessaging_LL_Destroy(iotHubMessagingHandle);
}
(void)printf("Calling IoTHubServiceClientAuth_Destroy...\n");
IoTHubServiceClientAuth_Destroy(iotHubServiceClientHandle);
}
platform_deinit();
}
}
void iothub_client_sample_http_run(void)
{
IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
EVENT_INSTANCE messages[MESSAGE_COUNT];
double avgWindSpeed = 10.0;
int receiveContext = 0;
char tpmConnectionString[256] = "";
uint tpmConnectionStringSize = 0;
srand((unsigned int)time(NULL));
callbackCounter = 0;
if (platform_init() != 0)
{
printf("Failed to initialize the platform.\r\n");
}
else
{
(void)printf("Starting the IoTHub client sample HTTP...\r\n");
if((LimpetReadURI(0, tpmConnectionString, sizeof(tpmConnectionString), &tpmConnectionStringSize) != 0) ||
(!strcat(tpmConnectionString, ";SharedAccessKey=Limpet(0)")))
{
(void)printf("ERROR: ConnectionString could not be read from TPM!\r\n");
}
// else if ((iotHubClientHandle = IoTHubClient_LL_CreateFromConnectionString(connectionString, HTTP_Protocol)) == NULL)
else if ((iotHubClientHandle = IoTHubClient_LL_CreateFromConnectionString(tpmConnectionString, HTTP_Protocol)) == NULL)
{
(void)printf("ERROR: iotHubClientHandle is NULL!\r\n");
}
else
{
unsigned int timeout = 241000;
// Because it can poll "after 9 seconds" polls will happen effectively // at ~10 seconds.
// Note that for scalabilty, the default value of minimumPollingTime
// is 25 minutes. For more information, see:
// https://azure.microsoft.com/documentation/articles/iot-hub-devguide/#messaging
unsigned int minimumPollingTime = 9;
// if (IoTHubClient_LL_SetOption(iotHubClientHandle, "timeout", &timeout) != IOTHUB_CLIENT_OK)
// {
// printf("failure to set option \"timeout\"\r\n");
// }
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "MinimumPollingTime", &minimumPollingTime) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"MinimumPollingTime\"\r\n");
}
#ifdef MBED_BUILD_TIMESTAMP
// For mbed add the certificate information
if (IoTHubClient_LL_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_LL_SetMessageCallback(iotHubClientHandle, ReceiveMessageCallback, &receiveContext) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SetMessageCallback..........FAILED!\r\n");
}
else
{
int i;
(void)printf("IoTHubClient_LL_SetMessageCallback...successful.\r\n");
/* Now that we are ready to receive commands, let's send some messages */
for (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
{
MAP_HANDLE propMap;
messages[i].messageTrackingId = i;
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_LL_SendEventAsync(iotHubClientHandle, messages[i].messageHandle, SendConfirmationCallback, &messages[i]) != IOTHUB_CLIENT_OK)
{
(void)printf("ERROR: IoTHubClient_LL_SendEventAsync..........FAILED!\r\n");
}
else
{
(void)printf("IoTHubClient_LL_SendEventAsync accepted message [%d] for transmission to IoT Hub.\r\n", i);
}
}
}
}
/* Wait for Commands. */
while (1)
{
IoTHubClient_LL_DoWork(iotHubClientHandle);
}
IoTHubClient_LL_Destroy(iotHubClientHandle);
}
platform_deinit();
}
}
void simplesample_http_run(void)
{
if (platform_init() != 0)
{
printf("Failed to initialize the platform.\r\n");
}
else
{
if (serializer_init(NULL) != SERIALIZER_OK)
{
(void)printf("Failed on serializer_init\r\n");
}
else
{
IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle = IoTHubClient_LL_CreateFromConnectionString(connectionString, HTTP_Protocol);
int avgWindSpeed = 10;
float minTemperature = 20.0;
float minHumidity = 60.0;
srand((unsigned int)time(NULL));
if (iotHubClientHandle == NULL)
{
(void)printf("Failed on IoTHubClient_LL_Create\r\n");
}
else
{
// Because it can poll "after 9 seconds" polls will happen
// effectively at ~10 seconds.
// Note that for scalabilty, the default value of minimumPollingTime
// is 25 minutes. For more information, see:
// https://azure.microsoft.com/documentation/articles/iot-hub-devguide/#messaging
unsigned int minimumPollingTime = 9;
ContosoAnemometer* myWeather;
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "MinimumPollingTime", &minimumPollingTime) != IOTHUB_CLIENT_OK)
{
printf("failure to set option \"MinimumPollingTime\"\r\n");
}
#ifdef SET_TRUSTED_CERT_IN_SAMPLES
// For mbed add the certificate information
if (IoTHubClient_LL_SetOption(iotHubClientHandle, "TrustedCerts", certificates) != IOTHUB_CLIENT_OK)
{
(void)printf("failure to set option \"TrustedCerts\"\r\n");
}
#endif // SET_TRUSTED_CERT_IN_SAMPLES
myWeather = CREATE_MODEL_INSTANCE(WeatherStation, ContosoAnemometer);
if (myWeather == NULL)
{
(void)printf("Failed on CREATE_MODEL_INSTANCE\r\n");
}
else
{
if (IoTHubClient_LL_SetMessageCallback(iotHubClientHandle, IoTHubMessage, myWeather) != IOTHUB_CLIENT_OK)
{
printf("unable to IoTHubClient_SetMessageCallback\r\n");
}
else
{
myWeather->DeviceId = "myFirstDevice";
myWeather->WindSpeed = avgWindSpeed + (rand() % 4 + 2);
myWeather->Temperature = minTemperature + (rand() % 10);
myWeather->Humidity = minHumidity + (rand() % 20);
{
unsigned char* destination;
size_t destinationSize;
if (SERIALIZE(&destination, &destinationSize, myWeather->DeviceId, myWeather->WindSpeed, myWeather->Temperature, myWeather->Humidity) != CODEFIRST_OK)
{
(void)printf("Failed to serialize\r\n");
}
else
{
IOTHUB_MESSAGE_HANDLE messageHandle = IoTHubMessage_CreateFromByteArray(destination, destinationSize);
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)
{
printf("ERROR: Map_AddOrUpdate Failed!\r\n");
}
if (IoTHubClient_LL_SendEventAsync(iotHubClientHandle, messageHandle, sendCallback, (void*)1) != 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(destination);
}
}
/* wait for commands */
while (1)
{
IoTHubClient_LL_DoWork(iotHubClientHandle);
ThreadAPI_Sleep(100);
}
}
DESTROY_MODEL_INSTANCE(myWeather);
}
IoTHubClient_LL_Destroy(iotHubClientHandle);
}
serializer_deinit();
}
platform_deinit();
}
}