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/*
* Copyright (c) Contributors, http://opensimulator.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 OpenSimulator 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.Collections;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using System.Reflection;
using System.Text;
using System.Threading;
using log4net;
namespace OpenSim.GridLaunch.GUI.Network
{
public class TCPD : IGUI, IDisposable
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private List<Client> Clients = new List<Client>();
private readonly int defaultPort = 7998;
private TcpListener tcpListener;
private Thread listenThread;
private Thread clientThread;
private List<string> Apps = new List<string>();
internal string currentApp = "";
private bool quitTyped = false;
public TCPD()
{
Program.AppCreated += Program_AppCreated;
Program.AppRemoved += Program_AppRemoved;
Program.AppConsoleOutput += Program_AppConsoleOutput;
Program.Command.CommandLine += Command_CommandLine;
}
~TCPD()
{
Dispose();
}
private bool isDisposed = false;
///<summary>
///Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
///</summary>
///<filterpriority>2</filterpriority>
public void Dispose()
{
if (isDisposed)
return;
isDisposed = true;
tcpd_Stop();
}
public void StartGUI()
{
// We are starting
tcpd_Start();
}
public void StopGUI()
{
// We are stopping
tcpd_Stop();
}
#region GridLaunch Events
private void Command_CommandLine(string application, string command, string arguments)
{
// If command is a number then someone might be trying to change console: /1, /2, etc.
int currentAppNum = 0;
if (int.TryParse(command, out currentAppNum))
if (currentAppNum <= Apps.Count)
{
currentApp = Apps[currentAppNum - 1];
TCPWriteToAll("Changed console to app: " + currentApp + Environment.NewLine);
}
else
TCPWriteToAll("Unable to change to app number: " + currentAppNum + Environment.NewLine);
// Has user typed quit?
if (command.ToLower() == "quit")
quitTyped = true;
// Has user typed /list?
if (command.ToLower() == "list")
{
TCPWriteToAll("/0 Log console");
for (int i = 1; i <= Apps.Count; i++)
{
TCPWriteToAll(string.Format("/{0} {1}", i, Apps[i - 1]));
}
}
}
void Program_AppCreated(string App)
{
TCPWriteToAll("Started: " + App);
if (!Apps.Contains(App))
Apps.Add(App);
}
void Program_AppRemoved(string App)
{
TCPWriteToAll("Stopped: " + App);
if (Apps.Contains(App))
Apps.Remove(App);
}
private void Program_AppConsoleOutput(string App, string Text)
{
TCPWriteToAll(App, Text);
}
#endregion
private void tcpd_Start()
{
listenThread = new Thread(new ThreadStart(ListenForClients));
listenThread.Name = "TCPDThread";
listenThread.IsBackground = true;
listenThread.Start();
while (!quitTyped)
{
Thread.Sleep(500);
}
//clientThread = new Thread(new ThreadStart(ProcessClients));
//clientThread.Name = "TCPClientThread";
//clientThread.IsBackground = true;
////clientThread.Start();
}
private void tcpd_Stop()
{
StopThread(listenThread);
StopThread(clientThread);
}
private void ListenForClients()
{
int Port = 0;
int.TryParse(Program.Settings["TCPPort"], out Port);
if (Port < 1)
Port = defaultPort;
m_log.Info("Starting TCP Server on port " + Port);
this.tcpListener = new TcpListener(IPAddress.Any, Port);
this.tcpListener.Start();
while (true)
{
// Blocks until a client has connected to the server
TcpClient tcpClient = this.tcpListener.AcceptTcpClient();
Client client = new Client(this, tcpClient);
lock (Clients)
{
Clients.Add(client);
}
System.Threading.Thread.Sleep(500);
}
}
private static void StopThread(Thread t)
{
if (t != null)
{
m_log.Debug("Stopping thread " + t.Name);
try
{
if (t.IsAlive)
t.Abort();
t.Join(2000);
t = null;
}
catch (Exception ex)
{
m_log.Error("Exception stopping thread: " + ex.ToString());
}
}
}
private void TCPWriteToAll(string app, string text)
{
TCPWriteToAll(text);
}
private void TCPWriteToAll(string text)
{
foreach (Client c in new ArrayList(Clients))
{
try
{
c.Write(text);
} catch (Exception ex)
{
m_log.Error("Exception writing to TCP: " + ex.ToString());
}
}
}
}
}
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