Implemented plugin support for ClientStack, with LindenUDP as the default plugin. This makes it easy for developers to experiment with alternative communication protocols

This commit is contained in:
Johan Berntsson
2008-06-20 01:35:54 +00:00
parent d976ee477b
commit 20e4036853
8 changed files with 147 additions and 6 deletions

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@@ -0,0 +1,81 @@
/*
* 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 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.Net;
using System.Reflection;
using log4net;
using OpenSim.Framework;
using OpenSim.Region.ClientStack;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
namespace OpenSim.Region.Environment
{
public class ClientStackManager
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private Type plugin;
private Assembly pluginAssembly;
public ClientStackManager(string dllName) {
m_log.Info("[CLIENTSTACK]: Attempting to load " + dllName);
plugin=null;
pluginAssembly = Assembly.LoadFrom(dllName);
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic)
{
Type typeInterface = pluginType.GetInterface("IClientNetworkServer", true);
if (typeInterface != null)
{
m_log.Info("[CLIENTSTACK]: Added IClientNetworkServer Interface");
plugin = pluginType;
return;
}
}
}
}
public IClientNetworkServer CreateServer(IPAddress _listenIP, ref uint port, int proxyPortOffset, bool allow_alternate_port, AssetCache assetCache, AgentCircuitManager authenticateClass)
{
if (plugin != null)
{
IClientNetworkServer server =
(IClientNetworkServer) Activator.CreateInstance(pluginAssembly.GetType(plugin.ToString()));
server.Initialise(_listenIP, ref port, proxyPortOffset, allow_alternate_port, assetCache, authenticateClass);
return server;
}
m_log.Error("[CLIENTSTACK] Couldn't initialize a new server");
return null;
}
}
}

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@@ -25,14 +25,19 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System.Net;
using System.Net.Sockets;
using OpenSim.Framework;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
namespace OpenSim.Region.ClientStack
{
public interface IClientNetworkServer
{
void Initialise(IPAddress _listenIP, ref uint port, int proxyPortOffset, bool allow_alternate_port, AssetCache assetCache, AgentCircuitManager authenticateClass);
Socket Server { get; }
bool HandlesRegion(Location x);
void AddScene(Scene x);
@@ -40,4 +45,4 @@ namespace OpenSim.Region.ClientStack
void Start();
void Stop();
}
}
}

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@@ -72,7 +72,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// }
/* static variables */
public static TerrainManager TerrainManager;
public static TerrainManager TerrainManager = new TerrainManager(new SecondLife());
public delegate bool SynchronizeClientHandler(IScene scene, Packet packet, LLUUID agentID, ThrottleOutPacketType throttlePacketType);
public static SynchronizeClientHandler SynchronizeClient = null;

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@@ -120,6 +120,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
public LLUDPServer(IPAddress _listenIP, ref uint port, int proxyPortOffset, bool allow_alternate_port, AssetCache assetCache, AgentCircuitManager authenticateClass)
{
Initialise(_listenIP, ref port, proxyPortOffset, allow_alternate_port, assetCache, authenticateClass);
}
public void Initialise(IPAddress _listenIP, ref uint port, int proxyPortOffset, bool allow_alternate_port, AssetCache assetCache, AgentCircuitManager authenticateClass)
{
this.proxyPortOffset = proxyPortOffset;
listenPort = (uint) (port + proxyPortOffset);

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@@ -35,7 +35,6 @@ using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Framework.Servers;
using OpenSim.Region.ClientStack.LindenUDP;
using OpenSim.Region.Environment;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Physics.Manager;
@@ -64,6 +63,8 @@ namespace OpenSim.Region.ClientStack
protected StorageManager m_storageManager;
protected string m_storageConnectionString;
protected ClientStackManager m_clientStackManager;
// An attribute to indicate whether prim inventories should be persisted.
// Probably will be temporary until this stops being experimental.
protected bool m_storagePersistPrimInventories;
@@ -77,10 +78,10 @@ namespace OpenSim.Region.ClientStack
{
base.Startup();
LLClientView.TerrainManager = new TerrainManager(new SecondLife());
m_storageManager = CreateStorageManager(m_storageConnectionString);
m_clientStackManager = CreateClientStackManager();
Initialize();
m_httpServer = new BaseHttpServer(m_httpServerPort);
@@ -101,6 +102,7 @@ namespace OpenSim.Region.ClientStack
// protected abstract ConsoleBase CreateConsole();
protected abstract PhysicsScene GetPhysicsScene();
protected abstract StorageManager CreateStorageManager(string connectionstring);
protected abstract ClientStackManager CreateClientStackManager();
protected PhysicsScene GetPhysicsScene(string engine, string meshEngine, IConfigSource config)
{
@@ -123,7 +125,7 @@ namespace OpenSim.Region.ClientStack
// listenIP = IPAddress.Parse("0.0.0.0");
uint port = (uint) regionInfo.InternalEndPoint.Port;
clientServer = new LLUDPServer(listenIP, ref port, proxyOffset, regionInfo.m_allow_alternate_ports, m_assetCache, circuitManager);
clientServer = m_clientStackManager.CreateServer(listenIP, ref port, proxyOffset, regionInfo.m_allow_alternate_ports, m_assetCache, circuitManager);
regionInfo.InternalEndPoint.Port = (int)port;
Scene scene = CreateScene(regionInfo, m_storageManager, circuitManager);