internal async Task UploadToBlobAsync(String blobName, System.IO.Stream source)
{
var fileUploadRequest = new FileUploadRequest()
{
BlobName = blobName
};
var fileUploadResponse = await this.httpClientHelper.PostAsync <FileUploadRequest, FileUploadResponse>(
GetRequestUri(this.deviceId, CommonConstants.BlobUploadPathTemplate, null),
fileUploadRequest,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
null,
CancellationToken.None).ConfigureAwait(false);
string putString = String.Format("https://{0}/{1}/{2}{3}",
fileUploadResponse.HostName,
fileUploadResponse.ContainerName,
Uri.EscapeDataString(fileUploadResponse.BlobName), // Pass URL encoded device name and blob name to support special characters
fileUploadResponse.SasToken);
var notification = new FileUploadNotificationResponse();
try
{
// 2. Use SAS URI to send data to Azure Storage Blob (PUT)
CloudBlockBlob blob = new CloudBlockBlob(new Uri(putString));
var uploadTask = blob.UploadFromStreamAsync(source);
await uploadTask.ConfigureAwait(false);
notification.CorrelationId = fileUploadResponse.CorrelationId;
notification.IsSuccess = uploadTask.IsCompleted;
notification.StatusCode = uploadTask.IsCompleted ? 0 : -1;
notification.StatusDescription = uploadTask.IsCompleted ? null : "Failed to upload to storage.";
// 3. POST to IoTHub with upload status
await this.httpClientHelper.PostAsync <FileUploadNotificationResponse>(
GetRequestUri(this.deviceId, CommonConstants.BlobUploadStatusPathTemplate + "notifications", null),
notification,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
null,
CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
// 3. POST to IoTHub with upload status
notification.IsSuccess = false;
notification.StatusCode = -1;
notification.StatusDescription = ex.Message;
await this.httpClientHelper.PostAsync <FileUploadNotificationResponse>(
GetRequestUri(this.deviceId, CommonConstants.BlobUploadStatusPathTemplate + "notifications/" + fileUploadResponse.CorrelationId, null),
notification,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
null,
CancellationToken.None).ConfigureAwait(false);
throw ex;
}
}
internal async Task UploadToBlobAsync(String blobName, System.IO.Stream source)
{
var fileUploadRequest = new FileUploadRequest()
{
BlobName = blobName
};
var fileUploadResponse = await this.httpClientHelper.PostAsync<FileUploadRequest, FileUploadResponse>(
GetRequestUri(this.deviceId, CommonConstants.BlobUploadPathTemplate, null),
fileUploadRequest,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
null,
CancellationToken.None);
string putString = String.Format("https://{0}/{1}/{2}{3}",
fileUploadResponse.HostName,
fileUploadResponse.ContainerName,
fileUploadResponse.BlobName,
fileUploadResponse.SasToken);
var notification = new FileUploadNotificationResponse();
try
{
// 2. Use SAS URI to send data to Azure Storage Blob (PUT)
CloudBlockBlob blob = new CloudBlockBlob(new Uri(putString));
var uploadTask = blob.UploadFromStreamAsync(source);
await uploadTask;
notification.CorrelationId = fileUploadResponse.CorrelationId;
notification.IsSuccess = uploadTask.IsCompleted;
notification.StatusCode = uploadTask.IsCompleted ? 0 : -1;
notification.StatusDescription = uploadTask.IsCompleted ? null : "Failed to upload to storage.";
// 3. POST to IoTHub with upload status
await this.httpClientHelper.PostAsync<FileUploadNotificationResponse>(
GetRequestUri(this.deviceId, CommonConstants.BlobUploadStatusPathTemplate + "notifications", null),
notification,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
null,
CancellationToken.None);
}
catch (Exception ex)
{
// 3. POST to IoTHub with upload status
notification.IsSuccess = false;
notification.StatusCode = -1;
notification.StatusDescription = ex.Message;
await this.httpClientHelper.PostAsync<FileUploadNotificationResponse>(
GetRequestUri(this.deviceId, CommonConstants.BlobUploadStatusPathTemplate + "notifications/" + fileUploadResponse.CorrelationId, null),
notification,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
null,
CancellationToken.None);
throw ex;
}
}