* missing example module.. Oops.
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/*
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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 OpenSimulator 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.Reflection;
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using OpenSim.Framework.Servers;
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using Mono.Addins;
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using log4net;
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using Nini.Config;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Framework.Servers.HttpServer;
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namespace OpenSim.Region.OptionalModules.WebSocketEchoModule
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "WebSocketEchoModule")]
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public class WebSocketEchoModule : ISharedRegionModule
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private bool enabled;
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public string Name { get { return "WebSocketEchoModule"; } }
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public Type ReplaceableInterface { get { return null; } }
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private HashSet<WebSocketHttpServerHandler> _activeHandlers = new HashSet<WebSocketHttpServerHandler>();
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public void Initialise(IConfigSource pConfig)
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{
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enabled = true;// (pConfig.Configs["WebSocketEcho"] != null);
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if (enabled)
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m_log.DebugFormat("[WebSocketEchoModule]: INITIALIZED MODULE");
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}
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/// <summary>
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/// This method sets up the callback to WebSocketHandlerCallback below when a HTTPRequest comes in for /echo
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/// </summary>
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public void PostInitialise()
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{
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if (enabled)
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MainServer.Instance.AddWebSocketHandler("/echo", WebSocketHandlerCallback);
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}
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// This gets called by BaseHttpServer and gives us an opportunity to set things on the WebSocket handler before we turn it on
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public void WebSocketHandlerCallback(string path, WebSocketHttpServerHandler handler)
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{
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SubscribeToEvents(handler);
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handler.SetChunksize(8192);
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handler.NoDelay_TCP_Nagle = true;
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handler.HandshakeAndUpgrade();
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}
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//These are our normal events
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public void SubscribeToEvents(WebSocketHttpServerHandler handler)
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{
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handler.OnClose += HandlerOnOnClose;
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handler.OnText += HandlerOnOnText;
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handler.OnUpgradeCompleted += HandlerOnOnUpgradeCompleted;
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handler.OnData += HandlerOnOnData;
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handler.OnPong += HandlerOnOnPong;
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}
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public void UnSubscribeToEvents(WebSocketHttpServerHandler handler)
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{
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handler.OnClose -= HandlerOnOnClose;
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handler.OnText -= HandlerOnOnText;
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handler.OnUpgradeCompleted -= HandlerOnOnUpgradeCompleted;
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handler.OnData -= HandlerOnOnData;
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handler.OnPong -= HandlerOnOnPong;
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}
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private void HandlerOnOnPong(object sender, PongEventArgs pongdata)
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{
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m_log.Info("[WebSocketEchoModule]: Got a pong.. ping time: " + pongdata.PingResponseMS);
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}
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private void HandlerOnOnData(object sender, WebsocketDataEventArgs data)
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{
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WebSocketHttpServerHandler obj = sender as WebSocketHttpServerHandler;
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obj.SendData(data.Data);
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m_log.Info("[WebSocketEchoModule]: We received a bunch of ugly non-printable bytes");
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obj.SendPingCheck();
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}
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private void HandlerOnOnUpgradeCompleted(object sender, UpgradeCompletedEventArgs completeddata)
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{
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WebSocketHttpServerHandler obj = sender as WebSocketHttpServerHandler;
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_activeHandlers.Add(obj);
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}
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private void HandlerOnOnText(object sender, WebsocketTextEventArgs text)
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{
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WebSocketHttpServerHandler obj = sender as WebSocketHttpServerHandler;
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obj.SendMessage(text.Data);
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m_log.Info("[WebSocketEchoModule]: We received this: " + text.Data);
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}
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// Remove the references to our handler
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private void HandlerOnOnClose(object sender, CloseEventArgs closedata)
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{
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WebSocketHttpServerHandler obj = sender as WebSocketHttpServerHandler;
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UnSubscribeToEvents(obj);
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lock (_activeHandlers)
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_activeHandlers.Remove(obj);
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obj.Dispose();
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}
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// Shutting down.. so shut down all sockets.
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// Note.. this should be done outside of an ienumerable if you're also hook to the close event.
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public void Close()
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{
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if (!enabled)
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return;
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// We convert this to a for loop so we're not in in an IEnumerable when the close
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//call triggers an event which then removes item from _activeHandlers that we're enumerating
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WebSocketHttpServerHandler[] items = new WebSocketHttpServerHandler[_activeHandlers.Count];
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_activeHandlers.CopyTo(items);
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for (int i = 0; i < items.Length; i++)
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{
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items[i].Close(string.Empty);
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items[i].Dispose();
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}
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_activeHandlers.Clear();
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MainServer.Instance.RemoveWebSocketHandler("/echo");
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}
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public void AddRegion(Scene scene)
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{
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m_log.DebugFormat("[WebSocketEchoModule]: REGION {0} ADDED", scene.RegionInfo.RegionName);
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}
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public void RemoveRegion(Scene scene)
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{
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m_log.DebugFormat("[WebSocketEchoModule]: REGION {0} REMOVED", scene.RegionInfo.RegionName);
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}
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public void RegionLoaded(Scene scene)
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{
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m_log.DebugFormat("[WebSocketEchoModule]: REGION {0} LOADED", scene.RegionInfo.RegionName);
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}
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}
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}
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