static IOTHUB_DEVICE_METHOD_RESULT sendHttpRequestDeviceMethod(IOTHUB_SERVICE_CLIENT_DEVICE_METHOD_HANDLE serviceClientDeviceMethodHandle, IOTHUB_DEVICEMETHOD_REQUEST_MODE iotHubDeviceMethodRequestMode, const char* deviceName, BUFFER_HANDLE deviceJsonBuffer, BUFFER_HANDLE responseBuffer)
{
IOTHUB_DEVICE_METHOD_RESULT result;
STRING_HANDLE uriResouce;
STRING_HANDLE accessKey;
STRING_HANDLE keyName;
HTTPAPIEX_SAS_HANDLE httpExApiSasHandle;
HTTPAPIEX_HANDLE httpExApiHandle;
HTTP_HEADERS_HANDLE httpHeader;
if ((uriResouce = STRING_construct(serviceClientDeviceMethodHandle->hostname)) == NULL)
{
LogError("STRING_construct failed for uriResource");
result = IOTHUB_DEVICE_METHOD_ERROR;
}
else if ((accessKey = STRING_construct(serviceClientDeviceMethodHandle->sharedAccessKey)) == NULL)
{
LogError("STRING_construct failed for accessKey");
STRING_delete(uriResouce);
result = IOTHUB_DEVICE_METHOD_ERROR;
}
else if ((keyName = STRING_construct(serviceClientDeviceMethodHandle->keyName)) == NULL)
{
LogError("STRING_construct failed for keyName");
STRING_delete(accessKey);
STRING_delete(uriResouce);
result = IOTHUB_DEVICE_METHOD_ERROR;
}
else if ((httpHeader = createHttpHeader()) == NULL)
{
LogError("HttpHeader creation failed");
STRING_delete(keyName);
STRING_delete(accessKey);
STRING_delete(uriResouce);
result = IOTHUB_DEVICE_METHOD_ERROR;
}
else if ((httpExApiSasHandle = HTTPAPIEX_SAS_Create(accessKey, uriResouce, keyName)) == NULL)
{
LogError("HTTPAPIEX_SAS_Create failed");
HTTPHeaders_Free(httpHeader);
STRING_delete(keyName);
STRING_delete(accessKey);
STRING_delete(uriResouce);
result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
}
else if ((httpExApiHandle = HTTPAPIEX_Create(serviceClientDeviceMethodHandle->hostname)) == NULL)
{
LogError("HTTPAPIEX_Create failed");
HTTPAPIEX_SAS_Destroy(httpExApiSasHandle);
HTTPHeaders_Free(httpHeader);
STRING_delete(keyName);
STRING_delete(accessKey);
STRING_delete(uriResouce);
result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
}
else
{
HTTPAPI_REQUEST_TYPE httpApiRequestType = HTTPAPI_REQUEST_GET;
STRING_HANDLE relativePath;
unsigned int statusCode = 0;
unsigned char is_error = 0;
if (iotHubDeviceMethodRequestMode == IOTHUB_DEVICEMETHOD_REQUEST_INVOKE)
{
httpApiRequestType = HTTPAPI_REQUEST_POST;
}
else
{
is_error = 1;
}
if (is_error)
{
LogError("Invalid request type");
result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
}
else
{
if ((relativePath = createRelativePath(iotHubDeviceMethodRequestMode, deviceName)) == NULL)
{
LogError("Failure creating relative path");
result = IOTHUB_DEVICE_METHOD_ERROR;
}
else if (HTTPAPIEX_SAS_ExecuteRequest(httpExApiSasHandle, httpExApiHandle, httpApiRequestType, STRING_c_str(relativePath), httpHeader, deviceJsonBuffer, &statusCode, NULL, responseBuffer) != HTTPAPIEX_OK)
{
LogError("HTTPAPIEX_SAS_ExecuteRequest failed");
STRING_delete(relativePath);
result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
}
else
{
STRING_delete(relativePath);
if (statusCode == 200)
{
result = IOTHUB_DEVICE_METHOD_OK;
}
else
{
LogError("Http Failure status code %d.", statusCode);
result = IOTHUB_DEVICE_METHOD_ERROR;
}
}
}
HTTPAPIEX_Destroy(httpExApiHandle);
HTTPAPIEX_SAS_Destroy(httpExApiSasHandle);
HTTPHeaders_Free(httpHeader);
STRING_delete(keyName);
STRING_delete(accessKey);
STRING_delete(uriResouce);
}
return result;
}
static BUFFER_HANDLE sendDeviceRegistryInfo(IOTHUB_ACCOUNT_INFO* accountInfo, BUFFER_HANDLE deviceBuffer, HTTPAPI_REQUEST_TYPE requestType)
{
BUFFER_HANDLE result;
STRING_HANDLE accessKey = STRING_construct(accountInfo->sharedAccessKey);
STRING_HANDLE uriResouce = STRING_construct(accountInfo->hostname);
STRING_HANDLE keyName = STRING_construct(accountInfo->keyName);
if (accessKey != NULL && uriResouce != NULL && keyName != NULL)
{
HTTPAPIEX_SAS_HANDLE httpHandle = HTTPAPIEX_SAS_Create(accessKey, uriResouce, keyName);
if (httpHandle != NULL)
{
HTTPAPIEX_HANDLE httpExApi = HTTPAPIEX_Create(accountInfo->hostname);
if (httpExApi == NULL)
{
LogError("Failure creating httpApiEx with hostname: %s.\r\n", accountInfo->hostname);
result = NULL;
}
else
{
char relativePath[256];
if (sprintf_s(relativePath, 256, RELATIVE_PATH_FMT, accountInfo->deviceId, URL_API_VERSION) <= 0)
{
LogError("Failure creating relative path.\r\n");
result = NULL;
}
else
{
unsigned int statusCode = 0;
// Send PUT method to url
HTTP_HEADERS_HANDLE httpHeader = getContentHeaders((deviceBuffer == NULL) ? true : false);
if (httpHeader == NULL)
{
result = NULL;
}
else
{
BUFFER_HANDLE responseContent = BUFFER_new();
if (HTTPAPIEX_SAS_ExecuteRequest(httpHandle, httpExApi, requestType, relativePath, httpHeader, deviceBuffer, &statusCode, NULL, responseContent) != HTTPAPIEX_OK)
{
LogError("Failure calling HTTPAPIEX_SAS_ExecuteRequest.\r\n");
result = NULL;
}
else
{
// 409 means the device is already created so we don't need
// to create another one.
if (statusCode != 409 && statusCode > 300)
{
LogError("Http Failure status code %d.\r\n", statusCode);
BUFFER_delete(responseContent);
result = NULL;
}
else
{
result = responseContent;
}
}
}
HTTPHeaders_Free(httpHeader);
}
HTTPAPIEX_Destroy(httpExApi);
}
HTTPAPIEX_SAS_Destroy(httpHandle);
}
else
{
LogError("Http Failure with HTTPAPIEX_SAS_Create.\r\n");
result = NULL;
}
}
STRING_delete(accessKey);
STRING_delete(uriResouce);
STRING_delete(keyName);
return result;
}