public HardwareTcpServer(int port)
{
this.tcpPort = port;
State = TcpServerState.Offline;
Messages = new Queue<TcpMessage>();
clients = new List<Thread>();
sockets = new List<Socket>();
worker = new BackgroundWorker();
worker.DoWork += new DoWorkEventHandler(worker_DoWork);
worker.WorkerSupportsCancellation = true;
}
static void server_OnServerState(TcpServerState state)
{
Console.WriteLine("TCP -> " + state);
}
public int AcceptTcpClient(Socket socket)
{
socket.SendTimeout = 100;
int clientId = sockets.Count;
sockets.Add(socket);
var client = new Thread(ClientThreadFunction);
client.Start(clientId);
clients.Add(client);
State = TcpServerState.Connected;
if (OnServerState != null)
{
OnServerState(State);
}
if (OnClientState != null)
{
OnClientState(clientId + 1, "connected");
}
return clientId;
}
void worker_DoWork(object sender, DoWorkEventArgs e)
{
var worker = (BackgroundWorker) sender;
System.Net.Sockets.TcpListener listener = new TcpListener((int)e.Argument);
listener.Start();
State = TcpServerState.Listening;
if (OnServerState != null)
{
OnServerState(State);
}
while (!worker.CancellationPending)
{
while (!listener.Pending())
{
Thread.Sleep(300);
if (worker.CancellationPending)
{
listener.Stop();
State = TcpServerState.Free;
if (OnServerState != null)
{
OnServerState(State);
}
return;
}
}
AcceptTcpClient(listener.AcceptSocket());
}
State = TcpServerState.Offline;
if (OnServerState != null)
{
OnServerState(State);
}
listener.Stop();
}
private void TcpServerOnServerState(TcpServerState state)
{
try
{
Invoke(new Action<TcpServerState>(TcpServerChangeState), state);
}
catch (Exception e)
{
}
}
protected void TcpServerChangeState(TcpServerState state)
{
if (state == TcpServerState.Connected)
{
lblTcpState.ForeColor = Color.Green;
}
if (state == TcpServerState.Listening || state == TcpServerState.Free)
{
lblTcpState.ForeColor = Color.Orange;
}
if (state == TcpServerState.Offline)
{
lblTcpState.ForeColor = Color.DarkRed;
}
lblTcpState.Text = state.ToString() + " " + Program.TcpServer.Port;
}
