public override bool Connect(bool keepalive = true)
{
try {
fSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
fSocket.ReceiveBufferSize = 2 * fBuffer.Length;
fSocket.Connect(new IPEndPoint(IPAddress.Loopback, 5000));
//EndPoint remoteAddress = new IPEndPoint(IPAddress.Loopback, 0);
//fSocket.BeginReceiveFrom(fBuffer, 0, fBuffer.Length, SocketFlags.None, ref remoteAddress, EndClientRecv, null);
fStream = new IPCStream(new NetworkStream(fSocket, false));
} catch (SocketException e) {
System.Diagnostics.Debug.WriteLine(e);
return(false);
}
if (keepalive)
{
fPingTimer = new Timer(
(object state) => { SendMessage(new IPCMessage(StatusMessage.Ping)); },
null, IPCSocketChannel.ReadTimeOut / 2, IPCSocketChannel.ReadTimeOut / 2);
}
return(true);
}
internal void RaiseDataReceive(IPEndPoint peer, IPCMessage message, IPCStream stream)
{
if (DataReceive != null)
{
DataReceive(this, new DataReceiveEventArgs(peer, message, stream));
}
}
public override void Disconnect(bool sendCloseMessage = true)
{
if (sendCloseMessage)
{
fPingTimer.Dispose();
fStream.WriteMessage(new IPCMessage(StatusMessage.CloseConnection));
}
if (fStream != null)
{
fStream.Dispose();
fStream = null;
}
base.Disconnect();
}
public TCPServerConnection(IPCServerChannel channel, Socket clientSocket)
{
Id = Guid.NewGuid().ToString();
fChannel = channel;
fChannel.AddConnection(this);
fSocket = clientSocket;
var netStream = new NetworkStream(fSocket, false);
netStream.ReadTimeout = IPCSocketChannel.ReadTimeOut;
fStream = new IPCStream(netStream);
// Start listening for incoming data. (If you want a multi threaded service,
// you can start this method up in a separate thread.)
fSocket.BeginReceive(fBuffer, 0, fBuffer.Length, SocketFlags.None, OnBytesReceived, this);
}
public DataReceiveEventArgs(IPEndPoint endPoint, IPCMessage message, IPCStream stream)
{
fEndPoint = endPoint;
fMessage = message;
fStream = stream;
}
private bool ProcessMessage(IPCStream stream)
{
IPCMessage msg = stream.ReadMessage();
// this was a close-connection notification
if (msg.StatusMsg == StatusMessage.CloseConnection)
{
return(false);
}
else if (msg.StatusMsg == StatusMessage.Ping)
{
return(true);
}
bool processedOk = false;
string error = "";
object rv = null;
// find the service
object instance;
if (fServices.TryGetValue(msg.Service, out instance) && instance != null)
{
// get the method
System.Reflection.MethodInfo method = instance.GetType().GetMethod(msg.Method);
// double check method existence against type-list for security
// typelist will contain interfaces instead of instances
if (fTypes[msg.Service].GetMethod(msg.Method) != null && method != null)
{
try {
// invoke method
rv = method.Invoke(instance, msg.Parameters);
processedOk = true;
} catch (Exception e) {
error = e.ToString();
}
}
else
{
error = "Could not find method";
}
}
else
{
error = "Could not find service";
}
// return either return value or error message
IPCMessage returnMsg;
if (processedOk)
{
returnMsg = new IPCMessage()
{
Return = rv
}
}
;
else
{
returnMsg = new IPCMessage()
{
Error = error
}
};
stream.WriteMessage(returnMsg);
// if there's more to come, keep reading a next message
if (msg.StatusMsg == StatusMessage.KeepAlive)
{
return(true);
}
else // otherwise close the connection
{
return(false);
}
}
private void ReceiveClients(IPCStream stream)
{
while (ProcessMessage(stream))
{
}
}