129 lines
4.6 KiB
C#
129 lines
4.6 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Net;
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using System.Net.Sockets;
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namespace OpenSim.Region.ScriptEngine.Common.TRPC
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{
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public class TCPServer: TCPCommon.ServerInterface
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{
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public readonly int LocalPort;
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public TCPServer(int localPort)
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{
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LocalPort = localPort;
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}
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private Socket server;
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/// <summary>
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/// Starts listening for new connections
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/// </summary>
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public void StartListen()
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{
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server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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IPEndPoint ipe = new IPEndPoint(IPAddress.Any, LocalPort);
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server.Bind(ipe);
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server.Listen(10);
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server.BeginAccept(new AsyncCallback(AsyncAcceptConnections), server);
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}
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/// <summary>
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/// Stops listening for new connections
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/// </summary>
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public void StopListen()
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{
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server.Close();
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server = null;
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}
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private readonly Dictionary<int, TCPSocket> Clients = new Dictionary<int, TCPSocket>();
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private int ClientCount = 0;
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public event TCPCommon.ClientConnectedDelegate ClientConnected;
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public event TCPCommon.DataReceivedDelegate DataReceived;
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public event TCPCommon.DataSentDelegate DataSent;
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public event TCPCommon.CloseDelegate Close;
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/// <summary>
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/// Async callback for new connections
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/// </summary>
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/// <param name="ar"></param>
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private void AsyncAcceptConnections(IAsyncResult ar)
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{
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int id = ClientCount++;
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Socket oldserver = (Socket)ar.AsyncState;
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Socket client = oldserver.EndAccept(ar);
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TCPSocket S = new TCPSocket(id, client);
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// Add to dictionary
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Clients.Add(id, S);
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// Add event handlers
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S.Close += new TCPSocket.CloseDelegate(S_Close);
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S.DataReceived += new TCPSocket.DataReceivedDelegate(S_DataReceived);
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S.DataSent += new TCPSocket.DataSentDelegate(S_DataSent);
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// Start it
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S.Start();
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Debug.WriteLine("Connection received: " + client.RemoteEndPoint.ToString());
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// Fire Connected-event
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if (ClientConnected != null)
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ClientConnected(id, client.RemoteEndPoint);
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}
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void S_DataSent(int ID, int length)
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{
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if (DataSent != null)
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DataSent(ID, length);
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}
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void S_DataReceived(int ID, byte[] data, int offset, int length)
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{
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if (DataReceived != null)
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DataReceived(ID, data, offset, length);
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}
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void S_Close(int ID)
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{
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if (Close != null)
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Close(ID);
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Clients.Remove(ID);
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}
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public void Send(int clientID, byte[] data, int offset, int len)
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{
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Clients[clientID].Send(clientID, data, offset, len);
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}
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}
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}
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