Task <FileState> UploadSlice(
string sessionId,
long offset,
Stream dataStream,
IProgress <AVUploadProgressEventArgs> progress,
CancellationToken cancellationToken)
{
long dataLength = dataStream.Length;
if (progress != null)
{
lock (mutex)
{
progress.Report(new AVUploadProgressEventArgs()
{
Progress = AVFileController.CalcProgress(offset, dataLength)
});
}
}
if (offset == dataLength)
{
return(Task.FromResult <FileState>(fileState));
}
var sliceFile = GetNextBinary(offset, dataStream);
return(ExcuteUpload(sessionId, offset, sliceFile, cancellationToken).OnSuccess(_ =>
{
offset += sliceFile.Length;
if (offset == dataLength)
{
done = true;
return Task.FromResult <FileState>(fileState);
}
var response = _.Result.Item2;
var resumeData = response["data"] as IDictionary <string, object>;
var sliceSession = resumeData["session"].ToString();
return UploadSlice(sliceSession, offset, dataStream, progress, cancellationToken);
}).Unwrap());
}
Task UploadNextChunk(FileState state, Stream dataStream, string context, long offset, IProgress <AVUploadProgressEventArgs> progress)
{
var totalSize = dataStream.Length;
var remainingSize = totalSize - state.completed;
if (progress != null)
{
lock (mutex)
{
progress.Report(new AVUploadProgressEventArgs()
{
Progress = AVFileController.CalcProgress(state.completed, totalSize)
});
}
}
if (state.completed == totalSize)
{
return(QiniuMakeFile(state, state.frozenData, state.token, state.CloudName, totalSize, state.block_ctxes.ToArray(), CancellationToken.None));
}
else if (state.completed % BLOCKSIZE == 0)
{
var firstChunkBinary = GetChunkBinary(state.completed, dataStream);
var blockSize = remainingSize > BLOCKSIZE ? BLOCKSIZE : remainingSize;
return(MakeBlock(state, firstChunkBinary, blockSize).ContinueWith(t =>
{
var dic = AVClient.ReponseResolve(t.Result, CancellationToken.None);
var ctx = dic.Item2["ctx"].ToString();
offset = long.Parse(dic.Item2["offset"].ToString());
var host = dic.Item2["host"].ToString();
state.completed += firstChunkBinary.Length;
if (state.completed % BLOCKSIZE == 0 || state.completed == totalSize)
{
state.block_ctxes.Add(ctx);
}
return UploadNextChunk(state, dataStream, ctx, offset, progress);
}).Unwrap());
}
else
{
var chunkBinary = GetChunkBinary(state.completed, dataStream);
return(PutChunk(state, chunkBinary, context, offset).ContinueWith(t =>
{
var dic = AVClient.ReponseResolve(t.Result, CancellationToken.None);
var ctx = dic.Item2["ctx"].ToString();
offset = long.Parse(dic.Item2["offset"].ToString());
var host = dic.Item2["host"].ToString();
state.completed += chunkBinary.Length;
if (state.completed % BLOCKSIZE == 0 || state.completed == totalSize)
{
state.block_ctxes.Add(ctx);
}
//if (AVClient.fileUploaderDebugLog)
//{
// AVClient.LogTracker(state.counter + "|completed=" + state.completed + "stream:position=" + dataStream.Position + "|");
//}
return UploadNextChunk(state, dataStream, ctx, offset, progress);
}).Unwrap());
}
}
