private void ConnectCallback(IAsyncResult ar)
{
try
{
_tcpSocket.EndConnect(ar);
if (_tcpSocket.Connected)
{
lock (connectSync)
{
_isConnected = true;
}
_sh = new SocketHandler(_tcpSocket, _channelParameters.BufferSize);
_sh.Received += sh_received;
_sh.Disconnected += sh_disconnected;
_sh.Start();
LocalHost = ((IPEndPoint)_tcpSocket.LocalEndPoint).Address.ToString();
LocalPort = ((IPEndPoint)_tcpSocket.LocalEndPoint).Port;
if (Connected != null)
{
EventsHelper.Fire(Connected, this, new ConnectionEventArgs(0, 0, "OK"));
//Connected(this, new ConnectionEventArgs(0, 0, "OK"));
}
}
else
{
lock (connectSync)
{
_isConnected = false;
}
if (OnError != null)
{
OnError(this, new ErrorEventArgs(-1, "Cannot connect to remote host."));
}
}
}
catch (SocketException se)
{
if (OnError != null)
{
OnError(this, new ErrorEventArgs(se.ErrorCode, se.Message));
}
}
catch (Exception e)
{
if (OnError != null)
{
OnError(this, new ErrorEventArgs(-1, e.Message));
}
}
}
private void sh_disconnected(object sender, ConnectionEventArgs e)
{
SocketHandler sh = sender as SocketHandler;
if (sh != null)
{
DeleteClientConnection(sh.ConnectionId);
}
//if (OnError != null)
//{
// OnError(this, new ErrorEventArgs(e.StatusCode, e.Description));
//}
if (ClientDisconnected != null)
{
ClientDisconnected(this, e);
}
}
public void Send(int connectionId, byte[] data)
{
SocketHandler sh = null;
lock (m_workerSocketList)
{
if (m_workerSocketList.ContainsKey(connectionId))
{
sh = m_workerSocketList[connectionId];
}
}
if (sh != null)
{
sh.Send(data);
}
else
{
// remove from socket list --this should not happen so log it
DeleteClientConnection(connectionId);
OnError(this, new ErrorEventArgs(-1, string.Format("Connection not available for Id: {0}", connectionId)));
}
}
private void OnClientConnect(IAsyncResult asyn)
{
try
{
// Here we complete/end the BeginAccept() asynchronous call
// by calling EndAccept() - which returns the reference to
// a new Socket object
Socket workerSocket = _mainSocket.EndAccept(asyn);
int tmpConnId;
lock (m_DisconnectedConnections)
{
if (m_DisconnectedConnections.Count > 0)
{
// Assign old disconnecetd connection id to a new one
tmpConnId = m_DisconnectedConnections[0];
m_DisconnectedConnections.RemoveAt(0);
}
else
{
tmpConnId = Interlocked.Increment(ref m_clientCount);
}
}
if (workerSocket.Connected)
{
if (_channelParameters.TimeOut > 0)
{
workerSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, _channelParameters.TimeOut);
}
if (_channelParameters.TimeOut > 0)
{
workerSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, _channelParameters.TimeOut);
}
SocketHandler sh = new SocketHandler(workerSocket, _channelParameters.BufferSize);
sh.Received += sh_received;
sh.Disconnected += sh_disconnected;
sh.ConnectionId = tmpConnId;
// Add the workerSocket handler reference to our ArrayList
lock (m_workerSocketList)
{
m_workerSocketList.Add(sh.ConnectionId, sh);
}
//12/29 set the delimiter before receiving...
//11/22 - By default set message builder eol to carriage return...
EOL(sh.ConnectionId, string.Format("\r"));
sh.Start();
if (Connected != null)
{
EventsHelper.Fire(Connected, this, new ConnectionEventArgs(sh.ConnectionId, 0, "OK"));
//Connected(this, new ConnectionEventArgs(sh.ConnectionId, 0, "OK"));
}
}
// Since the main Socket is now free, it can go back and wait for
// other clients who are attempting to connect
if (ConnectionCount < MaxConnections)
{
_mainSocket.BeginAccept(new AsyncCallback(OnClientConnect), null);
}
}
catch (SocketException se)
{
if (OnError != null)
{
OnError(this, new ErrorEventArgs(se.ErrorCode, se.Message));
}
}
catch (Exception e)
{
if (OnError != null)
{
OnError(this, new ErrorEventArgs(-1, e.Message));
}
//throw e;
}
}