public override bool Receive(int len)
{
var headDelta = 0;
if (!HeadRecv)
{
HeadRecv = true;
if (BufferLen < Config.GramSize)
{
return(false);
}
Gram = ProtoGram.FromByteArray(Buffer);
headDelta = Gram.Size;
}
if (RecvStream == null)
{
switch (Gram.Command)
{
case ProtoCommand.List:
case ProtoCommand.Head:
RecvStream = new MemoryStream();
break;
case ProtoCommand.Get:
RecvStream = Fs.Put(FileName);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
RecvStream?.Write(Buffer, headDelta, len - headDelta);
return(true);
}
public override object Complete()
{
if (RecvStream == null)
{
return(base.Complete());
}
switch (Gram.Command)
{
case ProtoCommand.List:
if (Gram.Status == ProtoStatus.Success)
{
Result = Helper.DeserializeStream <FsInfo[]>(RecvStream);
}
RecvStream.Close();
break;
case ProtoCommand.Head:
if (Gram.Status == ProtoStatus.Success)
{
Result = Helper.DeserializeStream <FsInfo>(RecvStream);
}
RecvStream.Close();
break;
case ProtoCommand.Get:
Fs.Release(RecvStream);
Result = (Gram.Status == ProtoStatus.Success);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(base.Complete());
}
public override void Send()
{
BufferLen = 0;
base.Send();
if (Gram.Status == (byte)ProtoStatus.Success)
{
long size = Config.BufferSize - BufferLen;
size = Math.Min(FileLength - RecvStream.Position + Gram.Start, size);
BufferLen += RecvStream.Read(this.Buffer, BufferLen, (int)size);
}
}
