private void SendCallback(IAsyncResult ar)
{
SendingContext sc = (SendingContext)ar.AsyncState;
Int32 written;
try
{
written = sc.socket.EndSend(ar);
}
catch (ObjectDisposedException)
{
// do nothing
return;
}
catch (SocketException ex)
{
EndSend(ex);
return;
}
catch (Exception ex)
{
EndSend(ex);
return;
}
sc.buffer.Position += written;
EndSend(written);
}
private void SendFileCallback(IAsyncResult ar)
{
SendingContext sc = (SendingContext)ar.AsyncState;
try
{
sc.socket.EndSendFile(ar);
}
catch (ObjectDisposedException)
{
// do nothing
return;
}
catch (SocketException ex)
{
EndSend(ex);
return;
}
catch (Exception ex)
{
EndSend(ex);
return;
}
// TODO change written bytes to long?
EndSend((Int32)sc.file.Length);
}
private void ProcessSend(SocketAsyncEventArgs e)
{
SendingContext sctx = null;
try {
sctx = (SendingContext)e.UserToken;
if (e.SocketError != SocketError.Success)
{
var err = e.SocketError;
ProcessSendFailed(sctx.SendingBatch, RpcErrorCode.SendFailed, new Exception("Send Body Failed: " + err));
Disconnect(e.SocketError);
RpcTcpBufferManager.Release(e);
e = null;
}
else
{
_tracing.InfoFmt("Socket Send {0} Bytes", e.Count);
RpcTcpBufferManager.Release(e);
e = null;
SendPackets(sctx.NextPacket);
}
} catch (Exception ex) {
_tracing.ErrorFmt(ex, "ProcessSend Failed {0}:{1}", e, e.Buffer.Length);
Disconnect(ex, "ProcessSend");
} finally {
//
// 保护，如果出现了异常，则在此处释放
if (e != null)
{
RpcTcpBufferManager.Release(e);
}
}
}
