private async Task CommandStreamLoop(CommandHanderStreamContext ctx)
{
lock (_streams)
_streams.Add(ctx.StreamId, ctx);
ctx.InitEvent.Set();
try
{
while (!_disposed)
{
int commandId;
int tag;
int size;
Command command;
(command, commandId, tag, size) = await ctx.Stream.ReadCommand().ConfigureAwait(false);
if (command == null)
{
Log.InfoFormat($"End of stream {ctx.StreamId}");
return;
}
_stats.StatReceive(size);
if (tag == 0)
{
var handle = GetHandlerMethod(command.GetType());
ThreadPool.QueueUserWorkItem((_) => handle.Invoke(this, new object[] { command, ctx.Stream, commandId, ctx.Stream.Id }));
}
else
{
var uId = CommandStream.GetCommandId(ctx.StreamId, tag);
lock (_unansweredRequests)
{
RequestBase req;
if (!_unansweredRequests.TryGetValue(uId, out req))
{
Log.Warn($"No unanswered requests with tag {tag}. Uniq command id: {uId}");
}
else
{
req.SetResult(command, ctx.StreamId);
_unansweredRequests.TryRemove(uId, out var t);
}
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
ctx.Stream.Close();
lock (_streams)
_streams.Remove(ctx.StreamId);
OnClose(ctx.StreamId);
}
}
public int AddSource(TcpClient client)
{
var streamId = Interlocked.Increment(ref _streamCount);
var s = new CommandStream(streamId, client, _serializer);
var ctx = new CommandHanderStreamContext
{
StreamId = streamId,
Stream = s,
InitEvent = new ManualResetEventSlim(false)
};
var t = CommandStreamLoop(ctx);
_tasks.Add(t);
ctx.InitEvent.Wait();
return(streamId);
}
