104 lines
4.2 KiB
C#
104 lines
4.2 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://www.openmetaverse.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the OpenSim Project nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
using System;
|
|
using System.Text;
|
|
using System.IO;
|
|
using System.Threading;
|
|
using System.Net;
|
|
using System.Net.Sockets;
|
|
using System.Timers;
|
|
using System.Reflection;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using libsecondlife;
|
|
using libsecondlife.Packets;
|
|
|
|
namespace OpenSim.Servers
|
|
{
|
|
public class UDPServerBase
|
|
{
|
|
public Socket Server;
|
|
protected IPEndPoint ServerIncoming;
|
|
protected byte[] RecvBuffer = new byte[4096];
|
|
protected byte[] ZeroBuffer = new byte[8192];
|
|
protected IPEndPoint ipeSender;
|
|
protected EndPoint epSender;
|
|
protected AsyncCallback ReceivedData;
|
|
protected int listenPort;
|
|
|
|
public UDPServerBase(int port)
|
|
{
|
|
listenPort = port;
|
|
}
|
|
|
|
protected virtual void OnReceivedData(IAsyncResult result)
|
|
{
|
|
ipeSender = new IPEndPoint(IPAddress.Any, 0);
|
|
epSender = (EndPoint)ipeSender;
|
|
Packet packet = null;
|
|
int numBytes = Server.EndReceiveFrom(result, ref epSender);
|
|
int packetEnd = numBytes - 1;
|
|
|
|
packet = Packet.BuildPacket(RecvBuffer, ref packetEnd, ZeroBuffer);
|
|
|
|
Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
|
|
}
|
|
|
|
protected virtual void AddNewClient(Packet packet)
|
|
{
|
|
}
|
|
|
|
public virtual void ServerListener()
|
|
{
|
|
|
|
ServerIncoming = new IPEndPoint(IPAddress.Any, listenPort);
|
|
Server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
|
|
|
|
/// Add this new socket to the list of sockets that was opened by the application. When the application
|
|
/// closes, either gracefully or not, all sockets can be cleaned up. Right now I am not aware of any method
|
|
/// to get all of the sockets for a process within .NET, but if so, this process can be refactored, as
|
|
/// socket registration would not be neccessary.
|
|
SocketRegistry.Register(Server);
|
|
|
|
Server.Bind(ServerIncoming);
|
|
|
|
ipeSender = new IPEndPoint(IPAddress.Any, 0);
|
|
epSender = (EndPoint)ipeSender;
|
|
ReceivedData = new AsyncCallback(this.OnReceivedData);
|
|
Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
|
|
}
|
|
|
|
public virtual void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode)
|
|
{
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|