static void TxCallback(IAsyncResult ar)
{
amuleRemote o = (amuleRemote)ar.AsyncState;
Console.WriteLine("TxCallback signalled, calling EndWrite");
o.m_s.EndSend(ar);
}
public amuleLogicHandler(amuleRemote o)
{
m_owner = o;
}
static void RxCallback(IAsyncResult ar)
{
amuleRemote o = (amuleRemote)ar.AsyncState;
Console.WriteLine("RxCallback signalled, calling EndReceive");
int bytesRead = o.m_s.EndReceive(ar);
if (bytesRead == 0)
{
// remote side closed connection.
// indicate error to caller
o.m_rx_byte_count = -1;
return;
}
o.m_rx_remaining_count -= bytesRead;
Console.WriteLine("RxCallback: got {0} bytes, waiting for {1}",
bytesRead, o.m_rx_remaining_count);
// are we still waiting for flags and size?
if (o.m_rx_byte_count < 8)
{
if ((o.m_rx_byte_count + bytesRead) >= 8)
{
// got flags and packet size - may proceed.
Int32 flags = o.m_sock_reader.ReadInt32();
Int32 val32 = o.m_sock_reader.ReadInt32();
o.m_rx_remaining_count = (int)IPAddress.NetworkToHostOrder(val32) - (bytesRead - 8);
Console.WriteLine("RxCallback: expecting packet size={0}", o.m_rx_remaining_count);
if (o.m_rx_buffer.Length <= (o.m_rx_remaining_count + o.m_rx_byte_count))
{
byte [] new_buffer = new byte[o.m_rx_remaining_count + o.m_rx_buffer.Length + 1];
o.m_rx_buffer.CopyTo(new_buffer, 0);
o.m_rx_buffer = new_buffer;
//
// update stream reader with new buffer
//
o.m_rx_mem_stream = new MemoryStream(o.m_rx_buffer);
o.m_sock_reader = new BinaryReader(o.m_rx_mem_stream);
}
}
}
else
{
if (o.m_rx_remaining_count == 0)
{
//
// Packet received - call handler
//
if (o.m_handler != null)
{
o.m_rx_mem_stream.Seek(0, SeekOrigin.Begin);
Console.WriteLine("Packet received - call handler");
ecProto.ecPacket p = new ecProto.ecPacket(o.m_sock_reader);
//m_packet_op_Done.Set();
o.m_handler.HandlePacket(p);
Console.WriteLine("Handler done");
}
Console.WriteLine("Signalling event");
//m_packet_op_Done.Set();
//
// Keep waiting for more packets
//
o.StartReceive();
return;
}
}
o.m_rx_byte_count += bytesRead;
// not just yet - keep waiting
o.m_s.BeginReceive(o.m_rx_buffer, o.m_rx_byte_count, o.m_rx_remaining_count,
SocketFlags.None, new AsyncCallback(RxCallback), o);
}