mirror of
https://github.com/opensim/opensim.git
synced 2026-05-19 14:35:44 +08:00
f3afa68a2a
* Converted all instances of "256" spotted to use RegionSize instead. Some approximations used for border crossings (ie 255.9f) are still using that value, but should be updated to use something based on RegionSize. * Moving Terrain to a RegionModule, implemented ITerrainChannel and TerrainModule - nonfunctional, but will be soon.
479 lines
20 KiB
C#
479 lines
20 KiB
C#
/*
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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 OpenSim 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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*/
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using System;
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using System.Net;
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using System.Net.Sockets;
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using System.Collections;
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using System.Collections.Generic;
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//using System.Xml;
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using libsecondlife;
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using Nwc.XmlRpc;
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using OpenSim.Framework;
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using OpenSim.Framework.Console;
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using OpenSim.Framework.Data;
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using OpenSim.Framework.Servers;
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using FriendRights = libsecondlife.FriendRights;
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namespace OpenSim.Grid.MessagingServer
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{
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public class MessageService
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{
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private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private MessageServerConfig m_cfg;
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//A hashtable of all current presences this server knows about
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private Hashtable m_presences = new Hashtable();
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//a hashtable of all current regions this server knows about
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private Hashtable m_regionInfoCache = new Hashtable();
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//A hashtable containing lists of UUIDs keyed by UUID for fast backreferencing
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private Hashtable m_presence_BackReferences = new Hashtable();
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// Hashtable containing work units that need to be processed
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private Hashtable m_unProcessedWorkUnits = new Hashtable();
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public MessageService(MessageServerConfig cfg)
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{
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m_cfg = cfg;
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}
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#region RegionComms Methods
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/// <summary>
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/// Informs a region about an Agent
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/// </summary>
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/// <param name="TalkingAbout">User to talk about</param>
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/// <param name="UserToUpdate">User we're sending this too (contains the region)</param>
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public void SendRegionPresenceUpdate(UserPresenceData TalkingAbout, UserPresenceData UserToUpdate)
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{
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// TODO: Fill in pertenant Presence Data from 'TalkingAbout'
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RegionProfileData whichRegion = UserToUpdate.regionData;
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//whichRegion.httpServerURI
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Hashtable PresenceParams = new Hashtable();
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ArrayList SendParams = new ArrayList();
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SendParams.Add(PresenceParams);
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m_log.Info("[PRESENCE]: Informing " + whichRegion.regionName + " at " + whichRegion.httpServerURI);
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// Send
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XmlRpcRequest RegionReq = new XmlRpcRequest("presence_update", SendParams);
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XmlRpcResponse RegionResp = RegionReq.Send(whichRegion.httpServerURI, 6000);
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}
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#endregion
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#region FriendList Methods
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/// <summary>
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/// Process Friendlist subscriptions for a user
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/// The login method calls this for a User
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/// </summary>
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/// <param name="userpresence">The Agent we're processing the friendlist subscriptions</param>
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public void ProcessFriendListSubscriptions(UserPresenceData userpresence)
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{
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List<FriendListItem> uFriendList = userpresence.friendData;
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for (int i = 0; i < uFriendList.Count; i++)
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{
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m_presence_BackReferences.Add(userpresence.agentData.AgentID, uFriendList[i].Friend);
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m_presence_BackReferences.Add(uFriendList[i].Friend, userpresence.agentData.AgentID);
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if (m_presences.Contains(uFriendList[i].Friend))
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{
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UserPresenceData friendup = (UserPresenceData)m_presences[uFriendList[i]];
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// Add backreference
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SubscribeToPresenceUpdates(userpresence, friendup, uFriendList[i],i);
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}
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}
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m_presences.Add(userpresence.agentData.AgentID, userpresence);
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}
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/// <summary>
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/// Does the necessary work to subscribe one agent to another's presence notifications
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/// Gets called by ProcessFriendListSubscriptions. You shouldn't call this directly
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/// unless you know what you're doing
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/// </summary>
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/// <param name="userpresence">P1</param>
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/// <param name="friendpresence">P2</param>
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/// <param name="uFriendListItem"></param>
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/// <param name="uFriendListIndex"></param>
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public void SubscribeToPresenceUpdates(UserPresenceData userpresence, UserPresenceData friendpresence,
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FriendListItem uFriendListItem, int uFriendListIndex)
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{
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if ((uFriendListItem.FriendListOwnerPerms & (uint)FriendRights.CanSeeOnline) != 0)
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{
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// Subscribe and Send Out updates
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if (!friendpresence.subscriptionData.Contains(friendpresence.agentData.AgentID))
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{
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userpresence.subscriptionData.Add(friendpresence.agentData.AgentID);
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//Send Region Notice....
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}
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else
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{
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// we need to send out online status update, but the user is already subscribed
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}
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SendRegionPresenceUpdate(friendpresence, userpresence);
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}
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if ((uFriendListItem.FriendPerms & (uint)FriendRights.CanSeeOnline) != 0)
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{
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if (!friendpresence.subscriptionData.Contains(userpresence.agentData.AgentID))
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{
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friendpresence.subscriptionData.Add(userpresence.agentData.AgentID);
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//Send Region Notice....
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}
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else
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{
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// we need to send out online status update, but the user is already subscribed
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}
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SendRegionPresenceUpdate(userpresence, friendpresence);
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}
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}
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/// <summary>
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/// Adds a backreference so presence specific data doesn't have to be
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/// enumerated for each logged in user every time someone logs on or off.
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/// </summary>
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/// <param name="agentID"></param>
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/// <param name="friendID"></param>
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public void addBackReference(LLUUID agentID, LLUUID friendID)
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{
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if (m_presence_BackReferences.Contains(friendID))
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{
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List<LLUUID> presenseBackReferences = (List<LLUUID>)m_presence_BackReferences[friendID];
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if (!presenseBackReferences.Contains(agentID))
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{
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presenseBackReferences.Add(agentID);
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}
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m_presence_BackReferences[friendID] = presenseBackReferences;
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}
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else
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{
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List<LLUUID> presenceBackReferences = new List<LLUUID>();
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presenceBackReferences.Add(agentID);
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m_presence_BackReferences[friendID] = presenceBackReferences;
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}
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}
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/// <summary>
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/// Removes a backreference to free up some memory
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/// </summary>
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/// <param name="agentID"></param>
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/// <param name="friendID"></param>
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public void removeBackReference(LLUUID agentID, LLUUID friendID)
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{
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if (m_presence_BackReferences.Contains(friendID))
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{
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List<LLUUID> presenseBackReferences = (List<LLUUID>)m_presence_BackReferences[friendID];
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if (presenseBackReferences.Contains(agentID))
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{
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presenseBackReferences.Remove(agentID);
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}
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// If there are no more backreferences for this agent,
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// remove it to free up memory.
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if (presenseBackReferences.Count == 0)
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{
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m_presence_BackReferences.Remove(agentID);
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}
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}
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}
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/// <summary>
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/// Logoff Processor. Call this to clean up agent presence data and send logoff presence notifications
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/// </summary>
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/// <param name="AgentID"></param>
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private void ProcessLogOff(LLUUID AgentID)
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{
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if (m_presences.Contains(AgentID))
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{
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UserPresenceData AgentData = (UserPresenceData)m_presences[AgentID];
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if (m_presence_BackReferences.Contains(AgentID))
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{
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List<LLUUID> AgentsNeedingNotification = (List<LLUUID>)m_presence_BackReferences[AgentID];
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for (int i = 0; i < AgentsNeedingNotification.Count; i++)
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{
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// TODO: Do Region Notifications
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if (m_presences.Contains(AgentsNeedingNotification[i]))
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{
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UserPresenceData friendd = (UserPresenceData)m_presences[AgentsNeedingNotification[i]];
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// This might need to be enumerated and checked before we try to remove it.
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friendd.subscriptionData.Remove(AgentID);
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List<FriendListItem> fl = friendd.friendData;
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for (int j = 0; j < fl.Count; j++)
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{
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if (fl[j].Friend == AgentID)
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{
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fl[j].onlinestatus = false;
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}
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}
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friendd.friendData = fl;
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SendRegionPresenceUpdate(AgentData, friendd);
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}
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removeBackReference(AgentID, AgentsNeedingNotification[i]);
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}
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}
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}
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}
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#endregion
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#region UserServer Comms
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/// <summary>
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/// Returns a list of FriendsListItems that describe the friends and permissions in the friend relationship for LLUUID friendslistowner
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/// </summary>
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/// <param name="friendlistowner">The agent that we're retreiving the friends Data.</param>
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public List<FriendListItem> GetUserFriendList(LLUUID friendlistowner)
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{
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List<FriendListItem> buddylist = new List<FriendListItem>();
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try
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{
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Hashtable param = new Hashtable();
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param["ownerID"] = friendlistowner.UUID.ToString();
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IList parameters = new ArrayList();
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parameters.Add(param);
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XmlRpcRequest req = new XmlRpcRequest("get_user_friend_list", parameters);
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XmlRpcResponse resp = req.Send(m_cfg.UserServerURL, 3000);
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Hashtable respData = (Hashtable)resp.Value;
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if (respData.Contains("avcount"))
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{
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buddylist = ConvertXMLRPCDataToFriendListItemList(respData);
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}
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}
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catch (WebException e)
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{
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m_log.Warn("Error when trying to fetch Avatar's friends list: " +
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e.Message);
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// Return Empty list (no friends)
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}
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return buddylist;
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}
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/// <summary>
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/// Converts XMLRPC Friend List to FriendListItem Object
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/// </summary>
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/// <param name="data">XMLRPC response data Hashtable</param>
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/// <returns></returns>
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public List<FriendListItem> ConvertXMLRPCDataToFriendListItemList(Hashtable data)
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{
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List<FriendListItem> buddylist = new List<FriendListItem>();
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int buddycount = Convert.ToInt32((string)data["avcount"]);
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for (int i = 0; i < buddycount; i++)
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{
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FriendListItem buddylistitem = new FriendListItem();
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buddylistitem.FriendListOwner = new LLUUID((string)data["ownerID" + i.ToString()]);
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buddylistitem.Friend = new LLUUID((string)data["friendID" + i.ToString()]);
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buddylistitem.FriendListOwnerPerms = (uint)Convert.ToInt32((string)data["ownerPerms" + i.ToString()]);
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buddylistitem.FriendPerms = (uint)Convert.ToInt32((string)data["friendPerms" + i.ToString()]);
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buddylist.Add(buddylistitem);
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}
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return buddylist;
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}
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/// <summary>
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/// UserServer sends an expect_user method
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/// this handles the method and provisions the
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/// necessary info for presence to work
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/// </summary>
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/// <param name="request">UserServer Data</param>
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/// <returns></returns>
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public XmlRpcResponse UserLoggedOn(XmlRpcRequest request)
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{
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Hashtable requestData = (Hashtable)request.Params[0];
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AgentCircuitData agentData = new AgentCircuitData();
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agentData.SessionID = new LLUUID((string)requestData["session_id"]);
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agentData.SecureSessionID = new LLUUID((string)requestData["secure_session_id"]);
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agentData.firstname = (string)requestData["firstname"];
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agentData.lastname = (string)requestData["lastname"];
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agentData.AgentID = new LLUUID((string)requestData["agent_id"]);
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agentData.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
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agentData.CapsPath = (string)requestData["caps_path"];
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if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
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{
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agentData.child = true;
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}
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else
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{
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agentData.startpos =
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new LLVector3(Convert.ToUInt32(requestData["startpos_x"]),
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Convert.ToUInt32(requestData["startpos_y"]),
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Convert.ToUInt32(requestData["startpos_z"]));
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agentData.child = false;
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}
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ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
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UserPresenceData up = new UserPresenceData();
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up.agentData = agentData;
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List<FriendListItem> flData = GetUserFriendList(agentData.AgentID);
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up.friendData = flData;
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RegionProfileData riData = GetRegionInfo(regionHandle);
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up.regionData = riData;
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ProcessFriendListSubscriptions(up);
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return new XmlRpcResponse();
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}
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/// <summary>
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/// The UserServer got a Logoff message
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/// Cleanup time for that user. Send out presence notifications
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public XmlRpcResponse UserLoggedOff(XmlRpcRequest request)
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{
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Hashtable requestData = (Hashtable)request.Params[0];
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LLUUID AgentID = new LLUUID((string)requestData["agent_id"]);
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//ProcessLogOff(AgentID);
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return new XmlRpcResponse();
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}
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#endregion
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#region regioninfo gathering
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/// <summary>
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/// Gets and caches a RegionInfo object from the gridserver based on regionhandle
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/// if the regionhandle is already cached, use the cached values
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/// </summary>
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/// <param name="regionhandle">handle to the XY of the region we're looking for</param>
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/// <returns>A RegionInfo object to stick in the presence info</returns>
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public RegionProfileData GetRegionInfo(ulong regionhandle)
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{
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RegionProfileData regionInfo = null;
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if (m_regionInfoCache.Contains(regionhandle))
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{
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regionInfo = (RegionProfileData)m_regionInfoCache[regionhandle];
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}
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else
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{
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regionInfo = RequestRegionInfo(regionhandle);
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}
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return regionInfo;
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}
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/// <summary>
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/// Get RegionProfileData from the GridServer
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/// We'll Cache this information and use it for presence updates
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/// </summary>
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/// <param name="regionHandle"></param>
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/// <returns></returns>
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public RegionProfileData RequestRegionInfo(ulong regionHandle)
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{ RegionProfileData regionProfile = null;
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try
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{
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Hashtable requestData = new Hashtable();
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requestData["region_handle"] = regionHandle.ToString();
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requestData["authkey"] = m_cfg.GridSendKey;
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ArrayList SendParams = new ArrayList();
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SendParams.Add(requestData);
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XmlRpcRequest GridReq = new XmlRpcRequest("simulator_data_request", SendParams);
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XmlRpcResponse GridResp = GridReq.Send(m_cfg.GridServerURL, 3000);
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Hashtable responseData = (Hashtable)GridResp.Value;
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if (responseData.ContainsKey("error"))
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{
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m_log.Error("[GRID]: error received from grid server" + responseData["error"]);
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return null;
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}
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uint regX = Convert.ToUInt32((string)responseData["region_locx"]);
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uint regY = Convert.ToUInt32((string)responseData["region_locy"]);
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string internalIpStr = (string)responseData["sim_ip"];
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uint port = Convert.ToUInt32(responseData["sim_port"]);
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string externalUri = (string)responseData["sim_uri"];
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string neighbourExternalUri = externalUri;
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regionProfile = new RegionProfileData();
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regionProfile.httpPort = (uint)Convert.ToInt32((string)responseData["http_port"]);
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regionProfile.httpServerURI = "http://" + internalIpStr + ":" + regionProfile.httpPort + "/";
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regionProfile.regionHandle = Helpers.UIntsToLong((regX * Constants.RegionSize), (regY * Constants.RegionSize));
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regionProfile.regionLocX = regX;
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regionProfile.regionLocY = regY;
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regionProfile.remotingPort = Convert.ToUInt32((string)responseData["remoting_port"]);
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regionProfile.UUID = new LLUUID((string)responseData["region_UUID"]);
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regionProfile.regionName = (string)responseData["region_name"];
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m_regionInfoCache.Add(regionHandle, regionProfile);
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}
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catch (WebException)
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{
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m_log.Error("[GRID]: " +
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"Region lookup failed for: " + regionHandle.ToString() +
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" - Is the GridServer down?");
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return null;
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}
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return regionProfile;
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}
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#endregion
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}
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}
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