346 lines
14 KiB
C#
346 lines
14 KiB
C#
/*
|
|
* 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.Generic;
|
|
using System.Net;
|
|
using System.Reflection;
|
|
|
|
using OpenSim.Framework;
|
|
using OpenSim.Services.Connectors.Friends;
|
|
using OpenSim.Services.Connectors.Hypergrid;
|
|
using OpenSim.Services.Interfaces;
|
|
using OpenSim.Services.Connectors.InstantMessage;
|
|
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
|
|
using OpenSim.Server.Base;
|
|
using FriendInfo = OpenSim.Services.Interfaces.FriendInfo;
|
|
|
|
using OpenMetaverse;
|
|
using log4net;
|
|
using Nini.Config;
|
|
|
|
namespace OpenSim.Services.HypergridService
|
|
{
|
|
/// <summary>
|
|
/// Inter-grid IM
|
|
/// </summary>
|
|
public class HGInstantMessageService : IInstantMessage
|
|
{
|
|
private static readonly ILog m_log =
|
|
LogManager.GetLogger(
|
|
MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
private const double CACHE_EXPIRATION_SECONDS = 120000.0; // 33 hours
|
|
|
|
static bool m_Initialized = false;
|
|
|
|
protected static IGridService m_GridService;
|
|
protected static IPresenceService m_PresenceService;
|
|
protected static IUserAgentService m_UserAgentService;
|
|
|
|
protected static IInstantMessageSimConnector m_IMSimConnector;
|
|
|
|
protected static Dictionary<UUID, object> m_UserLocationMap = new Dictionary<UUID, object>();
|
|
private static ExpiringCache<UUID, GridRegion> m_RegionCache;
|
|
|
|
private static string m_RestURL;
|
|
private static bool m_ForwardOfflineGroupMessages;
|
|
private static bool m_InGatekeeper;
|
|
|
|
public HGInstantMessageService(IConfigSource config)
|
|
: this(config, null)
|
|
{
|
|
}
|
|
|
|
public HGInstantMessageService(IConfigSource config, IInstantMessageSimConnector imConnector)
|
|
{
|
|
if (imConnector != null)
|
|
m_IMSimConnector = imConnector;
|
|
|
|
if (!m_Initialized)
|
|
{
|
|
m_Initialized = true;
|
|
|
|
IConfig serverConfig = config.Configs["HGInstantMessageService"];
|
|
if (serverConfig == null)
|
|
throw new Exception(String.Format("No section HGInstantMessageService in config file"));
|
|
|
|
string gridService = serverConfig.GetString("GridService", String.Empty);
|
|
string presenceService = serverConfig.GetString("PresenceService", String.Empty);
|
|
string userAgentService = serverConfig.GetString("UserAgentService", String.Empty);
|
|
m_InGatekeeper = serverConfig.GetBoolean("InGatekeeper", false);
|
|
m_log.DebugFormat("[HG IM SERVICE]: Starting... InRobust? {0}", m_InGatekeeper);
|
|
|
|
if (gridService == string.Empty || presenceService == string.Empty)
|
|
throw new Exception(String.Format("Incomplete specifications, InstantMessage Service cannot function."));
|
|
|
|
Object[] args = new Object[] { config };
|
|
m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
|
|
m_PresenceService = ServerUtils.LoadPlugin<IPresenceService>(presenceService, args);
|
|
m_UserAgentService = ServerUtils.LoadPlugin<IUserAgentService>(userAgentService, args);
|
|
|
|
m_RegionCache = new ExpiringCache<UUID, GridRegion>();
|
|
|
|
IConfig cnf = config.Configs["Messaging"];
|
|
if (cnf == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
m_RestURL = cnf.GetString("OfflineMessageURL", string.Empty);
|
|
m_ForwardOfflineGroupMessages = cnf.GetBoolean("ForwardOfflineGroupMessages", false);
|
|
|
|
}
|
|
}
|
|
|
|
public bool IncomingInstantMessage(GridInstantMessage im)
|
|
{
|
|
// m_log.DebugFormat("[HG IM SERVICE]: Received message from {0} to {1}", im.fromAgentID, im.toAgentID);
|
|
// UUID toAgentID = new UUID(im.toAgentID);
|
|
|
|
bool success = false;
|
|
if (m_IMSimConnector != null)
|
|
{
|
|
//m_log.DebugFormat("[XXX] SendIMToRegion local im connector");
|
|
success = m_IMSimConnector.SendInstantMessage(im);
|
|
}
|
|
else
|
|
{
|
|
success = TrySendInstantMessage(im, "", true, false);
|
|
}
|
|
|
|
if (!success && m_InGatekeeper) // we do this only in the Gatekeeper IM service
|
|
UndeliveredMessage(im);
|
|
|
|
return success;
|
|
}
|
|
|
|
public bool OutgoingInstantMessage(GridInstantMessage im, string url, bool foreigner)
|
|
{
|
|
// m_log.DebugFormat("[HG IM SERVICE]: Sending message from {0} to {1}@{2}", im.fromAgentID, im.toAgentID, url);
|
|
if (url != string.Empty)
|
|
return TrySendInstantMessage(im, url, true, foreigner);
|
|
else
|
|
{
|
|
PresenceInfo upd = new PresenceInfo();
|
|
upd.RegionID = UUID.Zero;
|
|
return TrySendInstantMessage(im, upd, true, foreigner);
|
|
}
|
|
|
|
}
|
|
|
|
protected bool TrySendInstantMessage(GridInstantMessage im, object previousLocation, bool firstTime, bool foreigner)
|
|
{
|
|
UUID toAgentID = new UUID(im.toAgentID);
|
|
|
|
PresenceInfo upd = null;
|
|
string url = string.Empty;
|
|
|
|
bool lookupAgent = false;
|
|
|
|
lock (m_UserLocationMap)
|
|
{
|
|
if (m_UserLocationMap.ContainsKey(toAgentID))
|
|
{
|
|
object o = m_UserLocationMap[toAgentID];
|
|
if (o is PresenceInfo)
|
|
upd = (PresenceInfo)o;
|
|
else if (o is string)
|
|
url = (string)o;
|
|
|
|
// We need to compare the current location with the previous
|
|
// or the recursive loop will never end because it will never try to lookup the agent again
|
|
if (!firstTime)
|
|
{
|
|
lookupAgent = true;
|
|
upd = null;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lookupAgent = true;
|
|
}
|
|
}
|
|
|
|
//m_log.DebugFormat("[XXX] Neeed lookup ? {0}", (lookupAgent ? "yes" : "no"));
|
|
|
|
// Are we needing to look-up an agent?
|
|
if (lookupAgent)
|
|
{
|
|
// Non-cached user agent lookup.
|
|
PresenceInfo[] presences = m_PresenceService.GetAgents(new string[] { toAgentID.ToString() });
|
|
if (presences != null && presences.Length > 0)
|
|
{
|
|
foreach (PresenceInfo p in presences)
|
|
{
|
|
if (p.RegionID != UUID.Zero)
|
|
{
|
|
//m_log.DebugFormat("[XXX]: Found presence in {0}", p.RegionID);
|
|
upd = p;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (upd == null && !foreigner)
|
|
{
|
|
// Let's check with the UAS if the user is elsewhere
|
|
m_log.DebugFormat("[HG IM SERVICE]: User is not present. Checking location with User Agent service");
|
|
url = m_UserAgentService.LocateUser(toAgentID);
|
|
}
|
|
|
|
// check if we've tried this before..
|
|
// This is one way to end the recursive loop
|
|
//
|
|
if (!firstTime && ((previousLocation is PresenceInfo && upd != null && upd.RegionID == ((PresenceInfo)previousLocation).RegionID) ||
|
|
(previousLocation is string && upd == null && previousLocation.Equals(url))))
|
|
{
|
|
// m_log.Error("[GRID INSTANT MESSAGE]: Unable to deliver an instant message");
|
|
m_log.DebugFormat("[HG IM SERVICE]: Fail 2 {0} {1}", previousLocation, url);
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (upd != null)
|
|
{
|
|
// ok, the user is around somewhere. Let's send back the reply with "success"
|
|
// even though the IM may still fail. Just don't keep the caller waiting for
|
|
// the entire time we're trying to deliver the IM
|
|
return SendIMToRegion(upd, im, toAgentID, foreigner);
|
|
}
|
|
else if (url != string.Empty)
|
|
{
|
|
// ok, the user is around somewhere. Let's send back the reply with "success"
|
|
// even though the IM may still fail. Just don't keep the caller waiting for
|
|
// the entire time we're trying to deliver the IM
|
|
return ForwardIMToGrid(url, im, toAgentID, foreigner);
|
|
}
|
|
else if (firstTime && previousLocation is string && (string)previousLocation != string.Empty)
|
|
{
|
|
return ForwardIMToGrid((string)previousLocation, im, toAgentID, foreigner);
|
|
}
|
|
else
|
|
m_log.DebugFormat("[HG IM SERVICE]: Unable to locate user {0}", toAgentID);
|
|
return false;
|
|
}
|
|
|
|
bool SendIMToRegion(PresenceInfo upd, GridInstantMessage im, UUID toAgentID, bool foreigner)
|
|
{
|
|
bool imresult = false;
|
|
GridRegion reginfo = null;
|
|
if (!m_RegionCache.TryGetValue(upd.RegionID, out reginfo))
|
|
{
|
|
reginfo = m_GridService.GetRegionByUUID(UUID.Zero /*!!!*/, upd.RegionID);
|
|
if (reginfo != null)
|
|
m_RegionCache.AddOrUpdate(upd.RegionID, reginfo, CACHE_EXPIRATION_SECONDS);
|
|
}
|
|
|
|
if (reginfo != null)
|
|
{
|
|
imresult = InstantMessageServiceConnector.SendInstantMessage(reginfo.ServerURI, im);
|
|
}
|
|
else
|
|
{
|
|
m_log.DebugFormat("[HG IM SERVICE]: Failed to deliver message to {0}", reginfo.ServerURI);
|
|
return false;
|
|
}
|
|
|
|
if (imresult)
|
|
{
|
|
// IM delivery successful, so store the Agent's location in our local cache.
|
|
lock (m_UserLocationMap)
|
|
{
|
|
if (m_UserLocationMap.ContainsKey(toAgentID))
|
|
{
|
|
m_UserLocationMap[toAgentID] = upd;
|
|
}
|
|
else
|
|
{
|
|
m_UserLocationMap.Add(toAgentID, upd);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// try again, but lookup user this time.
|
|
// Warning, this must call the Async version
|
|
// of this method or we'll be making thousands of threads
|
|
// The version within the spawned thread is SendGridInstantMessageViaXMLRPCAsync
|
|
// The version that spawns the thread is SendGridInstantMessageViaXMLRPC
|
|
|
|
// This is recursive!!!!!
|
|
return TrySendInstantMessage(im, upd, false, foreigner);
|
|
}
|
|
}
|
|
|
|
bool ForwardIMToGrid(string url, GridInstantMessage im, UUID toAgentID, bool foreigner)
|
|
{
|
|
if (InstantMessageServiceConnector.SendInstantMessage(url, im))
|
|
{
|
|
// IM delivery successful, so store the Agent's location in our local cache.
|
|
lock (m_UserLocationMap)
|
|
{
|
|
if (m_UserLocationMap.ContainsKey(toAgentID))
|
|
{
|
|
m_UserLocationMap[toAgentID] = url;
|
|
}
|
|
else
|
|
{
|
|
m_UserLocationMap.Add(toAgentID, url);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// try again, but lookup user this time.
|
|
|
|
// This is recursive!!!!!
|
|
return TrySendInstantMessage(im, url, false, foreigner);
|
|
}
|
|
}
|
|
|
|
private bool UndeliveredMessage(GridInstantMessage im)
|
|
{
|
|
if (m_RestURL != string.Empty && (im.offline != 0)
|
|
&& (!im.fromGroup || (im.fromGroup && m_ForwardOfflineGroupMessages)))
|
|
{
|
|
// m_log.DebugFormat("[HG IM SERVICE]: Message saved");
|
|
|
|
return SynchronousRestObjectRequester.MakeRequest<GridInstantMessage, bool>(
|
|
"POST", m_RestURL + "/SaveMessage/", im);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
} |