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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 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.Collections.Generic;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Tcp;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
namespace OpenSim.Region.Environment.Modules.Grid.Interregion
{
public class InterregionModule : IInterregionModule, IRegionModule
{
#region Direction enum
public enum Direction
{
North,
NorthEast,
East,
SouthEast,
South,
SouthWest,
West,
NorthWest
}
#endregion
private readonly Dictionary<Type, Object> m_interfaces = new Dictionary<Type, object>();
private readonly Object m_lockObject = new object();
private readonly List<Location> m_myLocations = new List<Location>();
private readonly Dictionary<Location, string[]> m_neighbourInterfaces = new Dictionary<Location, string[]>();
private readonly Dictionary<Location, RemotingObject> m_neighbourRemote = new Dictionary<Location, RemotingObject>();
private IConfigSource m_config;
private const bool m_enabled = false;
private RemotingObject m_myRemote;
private TcpChannel m_tcpChannel;
private int m_tcpPort = 10101;
#region IInterregionModule Members
public void internal_CreateRemotingObjects()
{
lock (m_lockObject)
{
if (m_tcpChannel == null)
{
m_myRemote = new RemotingObject(m_interfaces, m_myLocations.ToArray());
m_tcpChannel = new TcpChannel(m_tcpPort);
ChannelServices.RegisterChannel(m_tcpChannel, false);
RemotingServices.Marshal(m_myRemote, "OpenSimRemote2", typeof (RemotingObject));
}
}
}
public void RegisterMethod<T>(T e)
{
m_interfaces[typeof (T)] = e;
}
public bool HasInterface<T>(Location loc)
{
foreach (string val in m_neighbourInterfaces[loc])
{
if (val == typeof (T).FullName)
{
return true;
}
}
return false;
}
public T RequestInterface<T>(Location loc)
{
if (m_neighbourRemote.ContainsKey(loc))
{
return m_neighbourRemote[loc].RequestInterface<T>();
}
throw new IndexOutOfRangeException("No neighbour availible at that location");
}
public T[] RequestInterface<T>()
{
List<T> m_t = new List<T>();
foreach (RemotingObject remote in m_neighbourRemote.Values)
{
try
{
m_t.Add(remote.RequestInterface<T>());
}
catch (NotSupportedException)
{
}
}
return m_t.ToArray();
}
public Location GetLocationByDirection(Scene scene, Direction dir)
{
return new Location(0, 0);
}
public void RegisterRemoteRegion(string uri)
{
RegisterRemotingInterface((RemotingObject) Activator.GetObject(typeof (RemotingObject), uri));
}
#endregion
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource source)
{
m_myLocations.Add(new Location((int) scene.RegionInfo.RegionLocX,
(int) scene.RegionInfo.RegionLocY));
m_config = source;
scene.RegisterModuleInterface<IInterregionModule>(this);
}
public void PostInitialise()
{
// Commenting out to remove 'unreachable code' warning since m_enabled is never true
// if (m_enabled)
// {
// try
// {
// m_tcpPort = m_config.Configs["Comms"].GetInt("remoting_port", m_tcpPort);
// }
// catch
// {
// }
//
// internal_CreateRemotingObjects();
// }
}
public void Close()
{
if (null != m_tcpChannel)
ChannelServices.UnregisterChannel(m_tcpChannel);
}
public string Name
{
get { return "InterregionModule"; }
}
public bool IsSharedModule
{
get { return true; }
}
#endregion
private void RegisterRemotingInterface(RemotingObject remote)
{
Location[] locs = remote.GetLocations();
string[] interfaces = remote.GetInterfaces();
foreach (Location loc in locs)
{
m_neighbourInterfaces[loc] = interfaces;
m_neighbourRemote[loc] = remote;
}
}
}
}
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