public AtemServerConnection FindOrCreateConnection(EndPoint ep, ProtocolVersion version, out bool isNew)
{
lock (connections)
{
AtemServerConnection val;
if (connections.TryGetValue(ep, out val))
{
isNew = false;
return(val);
}
val = new AtemServerConnection(ep, 0x8008, version, OrderedConnections.Count);
connections[ep] = val;
OrderedConnections.Add(val);
val.OnDisconnect += RemoveTimedOut;
Log.InfoFormat("New connection from {0}", ep);
isNew = true;
return(val);
}
}
private void StartReceive(string bindIp)
{
_socket = CreateSocket(bindIp);
var thread = new Thread(async() =>
{
while (!_isDisposing)
{
try
{
//Start receiving data
ArraySegment <byte> buff = new ArraySegment <byte>(new byte[2500]);
var end = new IPEndPoint(IPAddress.Any, 0);
SocketReceiveFromResult v = await _socket.ReceiveFromAsync(buff, SocketFlags.None, end);
AtemServerConnection conn = _connections.FindOrCreateConnection(v.RemoteEndPoint, CurrentVersion, out _);
if (conn == null)
{
continue;
}
byte[] buffer = buff.Array;
var packet = new ReceivedPacket(buffer);
if (packet.CommandCode.HasFlag(ReceivedPacket.CommandCodeFlags.Handshake))
{
conn.ResetConnStatsInfo();
// send handshake back
byte[] test =
{
buffer[0], buffer[1], // flags + length
buffer[2], buffer[3], // session id
0x00, 0x00, // acked pkt id
0x00, 0x00, // retransmit request
buffer[8], buffer[9], // unknown2
0x00, 0x00, // server pkt id
0x02, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00
};
var sendThread = new Thread(o =>
{
while (!conn.HasTimedOut)
{
conn.TrySendQueued(_socket);
Task.Delay(3).Wait();
}
});
sendThread.Start();
await _socket.SendToAsync(new ArraySegment <byte>(test, 0, 20), SocketFlags.None,
v.RemoteEndPoint);
continue;
}
if (!conn.IsOpened)
{
conn.OnReceivePacket += (sender, pkt) =>
{
if (ActiveConnectionId == conn.Id)
{
lock (PendingPackets)
{
// Queue the packets for parsing and processing in the main thread
PendingPackets.Add(pkt);
HasPendingPackets.Set();
}
}
};
var recvThread = new Thread(o =>
{
while (!conn.HasTimedOut || conn.HasCommandsToProcess)
{
// We dont want this, but we dont want this to build up and be a memory leak
conn.GetNextCommands();
//conn.HandleInner(_state, connection, cmds);
}
});
recvThread.Start();
}
conn.Receive(_socket, packet);
if (conn.ReadyForData)
{
QueueDataDumps(conn);
}
}
catch (SocketException)
{
// Reinit the socket as it is now unavailable
//_socket = CreateSocket();
}
catch (ObjectDisposedException)
{
// Normal part of shutdown
break;
}
}
// Notify finished
_receiveRunning.Set();
});
thread.Start();
}