/* * 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.Reflection; using System.Text.RegularExpressions; using log4net; using Nini.Config; using OpenSim.Framework; using OpenSim.Region.Framework.Interfaces; using OpenSim.Region.Framework.Scenes; namespace OpenSim.Region.Environment.Modules.Avatar.Chat { // An instance of this class exists for every active region internal class RegionState { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); private static readonly OpenMetaverse.Vector3 CenterOfRegion = new OpenMetaverse.Vector3(128, 128, 20); private const int DEBUG_CHANNEL = 2147483647; private static int _idk_ = 0; // Runtime variables; these values are assigned when the // IrcState is created and remain constant thereafter. internal string Region = String.Empty; internal string Host = String.Empty; internal string LocX = String.Empty; internal string LocY = String.Empty; internal string MA1 = String.Empty; internal string MA2 = String.Empty; internal string IDK = String.Empty; // System values - used only be the IRC classes themselves internal ChannelState cs = null; // associated IRC configuration internal Scene scene = null; // associated scene internal IConfig config = null; // configuration file reference internal bool enabled = true; // This list is used to keep track of who is here, and by // implication, who is not. internal List clients = new List(); // Setup runtime variable values public RegionState(Scene p_scene, IConfig p_config) { scene = p_scene; config = p_config; Region = scene.RegionInfo.RegionName; Host = scene.RegionInfo.ExternalHostName; LocX = Convert.ToString(scene.RegionInfo.RegionLocX); LocY = Convert.ToString(scene.RegionInfo.RegionLocY); MA1 = scene.RegionInfo.MasterAvatarFirstName; MA2 = scene.RegionInfo.MasterAvatarLastName; IDK = Convert.ToString(_idk_++); // OpenChannel conditionally establishes a connection to the // IRC server. The request will either succeed, or it will // throw an exception. ChannelState.OpenChannel(this, config); // Connect channel to world events scene.EventManager.OnChatFromWorld += OnSimChat; scene.EventManager.OnChatFromClient += OnSimChat; scene.EventManager.OnMakeRootAgent += OnMakeRootAgent; scene.EventManager.OnMakeChildAgent += OnMakeChildAgent; m_log.InfoFormat("[IRC-Region {0}] Initialization complete", Region); } // Auto cleanup when abandoned ~RegionState() { if (cs != null) cs.RemoveRegion(this); } // Called by PostInitialize after all regions have been created public void Open() { cs.Open(this); enabled = true; } // Called by IRCBridgeModule.Close immediately prior to unload // of the module for this region. This happens when the region // is being removed or the server is terminating. The IRC // BridgeModule will remove the region from the region list // when control returns. public void Close() { enabled = false; cs.Close(this); } // The agent has disconnected, cleanup associated resources private void OnClientLoggedOut(IClientAPI client) { try { if (clients.Contains(client)) { if (enabled && (cs.irc.Enabled) && (cs.irc.Connected) && (cs.ClientReporting)) { m_log.InfoFormat("[IRC-Region {0}]: {1} has left", Region, client.Name); cs.irc.PrivMsg(cs.NoticeMessageFormat, cs.irc.Nick, Region, String.Format("{0} has left", client.Name)); } client.OnLogout -= OnClientLoggedOut; client.OnConnectionClosed -= OnClientLoggedOut; clients.Remove(client); } } catch (Exception ex) { m_log.ErrorFormat("[IRC-Region {0}]: ClientLoggedOut exception: {1}", Region, ex.Message); m_log.Debug(ex); } } // This event indicates that the agent has left the building. We should treat that the same // as if the agent has logged out (we don't want cross-region noise - or do we?) private void OnMakeChildAgent(ScenePresence presence) { IClientAPI client = presence.ControllingClient; try { if (clients.Contains(client)) { if (enabled && (cs.irc.Enabled) && (cs.irc.Connected) && (cs.ClientReporting)) { string clientName = String.Format("{0} {1}", presence.Firstname, presence.Lastname); m_log.DebugFormat("[IRC-Region {0}] {1} has left", Region, clientName); cs.irc.PrivMsg(cs.NoticeMessageFormat, cs.irc.Nick, Region, String.Format("{0} has left", clientName)); } client.OnLogout -= OnClientLoggedOut; client.OnConnectionClosed -= OnClientLoggedOut; clients.Remove(client); } } catch (Exception ex) { m_log.ErrorFormat("[IRC-Region {0}]: MakeChildAgent exception: {1}", Region, ex.Message); m_log.Debug(ex); } } // An agent has entered the region (from another region). Add the client to the locally // known clients list private void OnMakeRootAgent(ScenePresence presence) { IClientAPI client = presence.ControllingClient; try { if (!clients.Contains(client)) { client.OnLogout += OnClientLoggedOut; client.OnConnectionClosed += OnClientLoggedOut; clients.Add(client); if (enabled && (cs.irc.Enabled) && (cs.irc.Connected) && (cs.ClientReporting)) { string clientName = String.Format("{0} {1}", presence.Firstname, presence.Lastname); m_log.DebugFormat("[IRC-Region {0}] {1} has arrived", Region, clientName); cs.irc.PrivMsg(cs.NoticeMessageFormat, cs.irc.Nick, Region, String.Format("{0} has arrived", clientName)); } } } catch (Exception ex) { m_log.ErrorFormat("[IRC-Region {0}]: MakeRootAgent exception: {1}", Region, ex.Message); m_log.Debug(ex); } } // This handler detects chat events int he virtual world. public void OnSimChat(Object sender, OSChatMessage msg) { // early return if this comes from the IRC forwarder if (cs.irc.Equals(sender)) return; // early return if nothing to forward if (msg.Message.Length == 0) return; // check for commands coming from avatars or in-world // object (if commands are enabled) if (cs.CommandsEnabled && msg.Channel == cs.CommandChannel) { m_log.DebugFormat("[IRC-Region {0}] command on channel {1}: {2}", Region, msg.Channel, msg.Message); string[] messages = msg.Message.Split(' '); string command = messages[0].ToLower(); try { switch (command) { // These commands potentially require a change in the // underlying ChannelState. case "server": cs.Close(this); cs = cs.UpdateServer(this, messages[1]); cs.Open(this); break; case "port": cs.Close(this); cs = cs.UpdatePort(this, messages[1]); cs.Open(this); break; case "channel": cs.Close(this); cs = cs.UpdateChannel(this, messages[1]); cs.Open(this); break; case "nick": cs.Close(this); cs = cs.UpdateNickname(this, messages[1]); cs.Open(this); break; // These may also (but are less likely) to require a // change in ChannelState. case "client-reporting": cs = cs.UpdateClientReporting(this, messages[1]); break; case "in-channel": cs = cs.UpdateRelayIn(this, messages[1]); break; case "out-channel": cs = cs.UpdateRelayOut(this, messages[1]); break; // These are all taken to be temporary changes in state // so the underlying connector remains intact. But note // that with regions sharing a connector, there could // be interference. case "close": enabled = false; cs.Close(this); break; case "connect": enabled = true; cs.Open(this); break; case "reconnect": enabled = true; cs.Close(this); cs.Open(this); break; // This one is harmless as far as we can judge from here. // If it is not, then the complaints will eventually make // that evident. default: m_log.DebugFormat("[IRC-Region {0}] Forwarding unrecognized command to IRC : {1}", Region, msg.Message); cs.irc.Send(msg.Message); break; } } catch (Exception ex) { m_log.WarnFormat("[IRC-Region {0}] error processing in-world command channel input: {1}", Region, ex.Message); m_log.Debug(ex); } return; } // The command channel remains enabled, even if we have otherwise disabled the IRC // interface. if (!enabled) return; // drop messages unless they are on a valid in-world // channel as configured in the ChannelState if (!cs.ValidInWorldChannels.Contains(msg.Channel)) { m_log.DebugFormat("[IRC-Region {0}] dropping message {1} on channel {2}", Region, msg, msg.Channel); return; } ScenePresence avatar = null; string fromName = msg.From; if (msg.Sender != null) { avatar = scene.GetScenePresence(msg.Sender.AgentId); if (avatar != null) fromName = avatar.Name; } if (!cs.irc.Connected) { m_log.WarnFormat("[IRC-Region {0}] IRCConnector not connected: dropping message from {1}", Region, fromName); return; } m_log.DebugFormat("[IRC-Region {0}] heard on channel {1} : {2}", Region, msg.Channel, msg.Message); if (null != avatar && cs.RelayChat && (msg.Channel == 0 || msg.Channel == DEBUG_CHANNEL)) { string txt = msg.Message; if (txt.StartsWith("/me ")) txt = String.Format("{0} {1}", fromName, msg.Message.Substring(4)); cs.irc.PrivMsg(cs.PrivateMessageFormat, fromName, Region, txt); return; } if (null == avatar && cs.RelayPrivateChannels && null != cs.AccessPassword && msg.Channel == cs.RelayChannelOut) { Match m = cs.AccessPasswordRegex.Match(msg.Message); if (null != m) { m_log.DebugFormat("[IRC] relaying message from {0}: {1}", m.Groups["avatar"].ToString(), m.Groups["message"].ToString()); cs.irc.PrivMsg(cs.PrivateMessageFormat, m.Groups["avatar"].ToString(), scene.RegionInfo.RegionName, m.Groups["message"].ToString()); } } } // This method gives the region an opportunity to interfere with // message delivery. For now we just enforce the enable/disable // flag. internal void OSChat(Object irc, OSChatMessage msg) { if (enabled) { // m_log.DebugFormat("[IRC-OSCHAT] Region {0} being sent message", region.Region); msg.Scene = scene; scene.EventManager.TriggerOnChatBroadcast(irc, msg); } } // This supports any local message traffic that might be needed in // support of command processing. At present there is none. internal void LocalChat(string msg) { if (enabled) { OSChatMessage osm = new OSChatMessage(); osm.From = "IRC Agent"; osm.Message = msg; osm.Type = ChatTypeEnum.Region; osm.Position = CenterOfRegion; osm.Sender = null; osm.SenderUUID = OpenMetaverse.UUID.Zero; // Hmph! Still? osm.Channel = 0; OSChat(this, osm); } } } }