public ThrottledBufferedStream(Stream baseStream, long maximumBytesPerSecond, Action <YoutubeUploadStats> updateUploadProgress, YoutubeUploadStats stats, Upload upload)
{
if (ThrottledBufferedStream.historyForUploadInSeconds > ThrottledBufferedStream.keepHistoryForInSeconds)
{
throw new InvalidOperationException("History not long enough for upload throttling.");
}
if (ThrottledBufferedStream.historyForStatsInSeconds > ThrottledBufferedStream.keepHistoryForInSeconds)
{
throw new InvalidOperationException("History not long enough for stats.");
}
if (baseStream == null)
{
throw new ArgumentNullException("baseStream");
}
if (maximumBytesPerSecond < 0)
{
throw new ArgumentOutOfRangeException("maximumBytesPerSecond",
maximumBytesPerSecond, "The maximum number of bytes per second can't be negatie.");
}
this.updateUploadProgress = updateUploadProgress;
this.stats = stats;
this.upload = upload;
this.lastStatsUpdate = DateTime.Now;
this.baseStream = baseStream;
this.maximumBytesPerSecondRead = maximumBytesPerSecond;
this.position = this.baseStream.Position;
}
public static async Task <UploadResult> Upload(Upload upload, long maxUploadInBytesPerSecond, Action <YoutubeUploadStats> updateUploadProgress, CancellationToken cancellationToken)
{
Tracer.Write($"YoutubeUploadService.Upload: Start with upload: {upload.FilePath}, maxUploadInBytesPerSecond: {maxUploadInBytesPerSecond}.");
upload.UploadErrorMessage = string.Empty;
UploadResult uploadResult = new UploadResult()
{
VideoResult = VideoResult.Failed,
ThumbnailSuccessFull = false,
PlaylistSuccessFull = false
};
if (!File.Exists(upload.FilePath))
{
Tracer.Write($"YoutubeUploadService.Upload: End, file doesn't exist.");
upload.UploadErrorMessage = "File does not exist.";
upload.UploadStatus = UplStatus.Failed;
return(uploadResult);
}
StringBuilder errors = new StringBuilder();
try
{
Tracer.Write($"YoutubeUploadService.Upload: Initialize upload.");
long uploadByteIndex = await YoutubeUploadService.initializeUpload(upload);
JsonSerializationContent.JsonSerializer.SerializeAllUploads();
Tracer.Write($"YoutubeUploadService.Upload: Initial uploadByteIndex: {uploadByteIndex}.");
upload.BytesSent = uploadByteIndex;
long initialBytesSent = uploadByteIndex;
YoutubeUploadStats stats = new YoutubeUploadStats();
using (FileStream fileStream = new FileStream(upload.FilePath, FileMode.Open))
using (ThrottledBufferedStream inputStream = new ThrottledBufferedStream(fileStream, maxUploadInBytesPerSecond, updateUploadProgress, stats, upload))
{
inputStream.Position = uploadByteIndex;
YoutubeUploadService.stream = inputStream;
long totalBytesSentInSession = 0;
long fileLength = upload.FileLength;
HttpClient client = await HttpHelper.GetAuthenticatedUploadClient();
//on IOExceptions try 2 times more to upload the chunk.
//no response from the server shall be requested on IOException.
short uploadTry = 1;
int package = 0;
bool error = false;
Tracer.Write($"YoutubeUploadService.Upload: fileLength: {fileLength}.");
PartStream chunkStream;
HttpResponseMessage message;
StreamContent content;
while (fileLength > totalBytesSentInSession + initialBytesSent)
{
if (error)
{
error = false;
if (uploadTry > 3)
{
Tracer.Write($"YoutubeUploadService.Upload: End, Upload not successful after 3 tries for package {package}.");
upload.UploadErrorMessage = $"YoutubeUploadService.Upload: Upload not successful after 3 tries for package {package}. Errors: {errors.ToString()}";
upload.UploadStatus = UplStatus.Failed;
return(uploadResult);
}
//give a little time on IOException, e.g. to await router redial in on 24h disconnect
await Task.Delay(TimeSpan.FromSeconds(2));
Tracer.Write($"YoutubeUploadService.Upload: Getting range due to upload retry.");
uploadByteIndex = await YoutubeUploadService.getUploadByteIndex(upload);
Tracer.Write($"YoutubeUploadService.Upload: Upload retry uploadByteIndex: {uploadByteIndex}.");
inputStream.Position = uploadByteIndex;
upload.BytesSent = uploadByteIndex;
totalBytesSentInSession = uploadByteIndex - initialBytesSent;
}
else
{
package++;
Tracer.Write($"YoutubeUploadService.Upload: Upload try: Package {package} Try {uploadTry}.");
}
chunkStream = new PartStream(inputStream, YoutubeUploadService.uploadChunkSizeInBytes);
Tracer.Write($"YoutubeUploadService.Upload: Creating content.");
using (content = HttpHelper.GetStreamContentResumableUpload(chunkStream, inputStream.Length, uploadByteIndex, YoutubeUploadService.uploadChunkSizeInBytes, MimeTypesMap.GetMimeType(upload.FilePath)))
{
try
{
Tracer.Write($"YoutubeUploadService.Upload: Start uploading.");
message = await client.PutAsync(upload.ResumableSessionUri, content, cancellationToken);
}
catch (TaskCanceledException)
{
Tracer.Write($"YoutubeUploadService.Upload: End, Upload stopped by user.");
upload.UploadStatus = UplStatus.Stopped;
uploadResult.VideoResult = VideoResult.Stopped;
return(uploadResult);
}
catch (Exception e)
{
Tracer.Write($"YoutubeUploadService.Upload: HttpClient.PutAsync Exception package {package} try {uploadTry}: {e.ToString()}.");
errors.AppendLine($"YoutubeUploadService.Upload: HttpClient.PutAsync Exception package {package} try {uploadTry}: {e.GetType().ToString()}: {e.Message}.");
error = true;
uploadTry++;
continue;
}
}
using (message)
{
if ((int)message.StatusCode == 308)
{
//one upload package succeeded, reset upload counter.
uploadTry = 1;
Tracer.Write($"YoutubeUploadService.Upload: Package {package} finished.");
}
else
{
if (!message.IsSuccessStatusCode)
{
Tracer.Write($"YoutubeUploadService.Upload: HttpResponseMessage unexpected status code package {package} try {uploadTry}: {message.StatusCode} with message {message.ReasonPhrase}.");
errors.AppendLine($"YoutubeUploadService.Upload: HttpResponseMessage unexpected status code package {package} try {uploadTry}: {message.StatusCode} with message {message.ReasonPhrase}.");
error = true;
uploadTry++;
continue;
}
var definition = new { Id = "" };
var response = JsonConvert.DeserializeAnonymousType(await message.Content.ReadAsStringAsync(), definition);
upload.VideoId = response.Id;
//last stats update to reach 0 bytes and time left.
stats.CurrentSpeedInBytesPerSecond = 1;
upload.BytesSent = inputStream.Position;
updateUploadProgress(stats);
upload.UploadStatus = UplStatus.Finished;
uploadResult.VideoResult = VideoResult.Finished;
Tracer.Write($"YoutubeUploadService.Upload: Upload finished with {package}, video id {upload.VideoId}.");
}
}
uploadByteIndex += YoutubeUploadService.uploadChunkSizeInBytes;
totalBytesSentInSession += YoutubeUploadService.uploadChunkSizeInBytes;
}
}
}
catch (Exception e)
{
Tracer.Write($"YoutubeUploadService.Upload: End, Unexpected Exception: {e.ToString()}.");
upload.UploadErrorMessage += $"YoutubeUploadService.Upload: Unexpected Exception: : {e.GetType().ToString()}: {e.Message}.";
upload.UploadStatus = UplStatus.Failed;
return(uploadResult);
}
uploadResult.ThumbnailSuccessFull = await YoutubeThumbnailService.AddThumbnail(upload);
uploadResult.PlaylistSuccessFull = await YoutubePlaylistService.AddToPlaylist(upload);
Tracer.Write($"YoutubeUploadService.Upload: End.");
return(uploadResult);
}
