From 8833a72388a07db48eb1fc135bf3919da13fb1db Mon Sep 17 00:00:00 2001 From: Jeff Ames Date: Mon, 7 Apr 2008 14:19:08 +0000 Subject: Update svn properties. --- OpenSim/Region/DataSnapshot/DataSnapshotManager.cs | 1048 ++++++++++---------- 1 file changed, 524 insertions(+), 524 deletions(-) (limited to 'OpenSim/Region/DataSnapshot/DataSnapshotManager.cs') diff --git a/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs b/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs index 1831f0a..cb9ce44 100644 --- a/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs +++ b/OpenSim/Region/DataSnapshot/DataSnapshotManager.cs @@ -1,524 +1,524 @@ -/* -* 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.Xml; -using System.IO; -using System.Text; -using System.Timers; -using OpenSim.Framework; -using OpenSim.Framework.Communications; -using OpenSim.Region.Environment.Interfaces; -using OpenSim.Region.Environment.Scenes; -using Nini.Config; -using libsecondlife; -using libsecondlife.Packets; - -namespace OpenSim.Region.DataSnapshot -{ - public class DataSnapshotManager : IRegionModule - { - #region Class members - private List m_scenes = new List(); - private log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); - private bool m_enabled = false; - private bool m_configLoaded = false; - internal object m_syncInit = new object(); - private DataRequestHandler m_requests = null; - private Dictionary> m_dataproviders = new Dictionary>(); - private Dictionary m_gridinfo = new Dictionary(); - //private int m_oldestSnapshot = 0; - private int m_maxSnapshots = 500; - private int m_lastSnapshot = 0; - private string m_snapsDir = "DataSnapshot"; - private string m_dataServices = "noservices"; - private string m_listener_port = "9000"; //TODO: Set default port over 9000 - private string m_hostname = "127.0.0.1"; - private Timer m_periodic = null; - private int m_period = 60; // in seconds - private List m_disabledModules = new List(); - #endregion - - #region IRegionModule - public void Close() - { - - } - - public void Initialise(Scene scene, Nini.Config.IConfigSource config) - { - if (!m_scenes.Contains(scene)) - m_scenes.Add(scene); - - if (!m_configLoaded) { - m_configLoaded = true; - m_log.Info("[DATASNAPSHOT]: Loading configuration"); - //Read from the config for options - lock (m_syncInit) { - try { - m_enabled = config.Configs["DataSnapshot"].GetBoolean("index_sims", m_enabled); - if (config.Configs["Startup"].GetBoolean("gridmode", true)) - { - m_gridinfo.Add("gridserverURL", config.Configs["Network"].GetString("grid_server_url", "harbl")); - m_gridinfo.Add("userserverURL", config.Configs["Network"].GetString("user_server_url", "harbl")); - m_gridinfo.Add("assetserverURL", config.Configs["Network"].GetString("asset_server_url", "harbl")); - } - else - { - //Non gridmode stuff - } - - m_gridinfo.Add("Name", config.Configs["DataSnapshot"].GetString("gridname", "harbl")); - m_maxSnapshots = config.Configs["DataSnapshot"].GetInt("max_snapshots", m_maxSnapshots); - m_period = config.Configs["DataSnapshot"].GetInt("default_snapshot_period", m_period); - m_snapsDir = config.Configs["DataSnapshot"].GetString("snapshot_cache_directory", m_snapsDir); - m_dataServices = config.Configs["DataSnapshot"].GetString("data_services", m_dataServices); - m_listener_port = config.Configs["Network"].GetString("http_listener_port", m_listener_port); - //BUG: Naming a search data module "DESUDESUDESU" will cause it to not get loaded by default. - //RESOLUTION: Wontfix, there are no Suiseiseki-loving developers - String[] annoying_string_array = config.Configs["DataSnapshot"].GetString("disable_modules", "DESUDESUDESU").Split(".".ToCharArray()); - foreach (String bloody_wanker in annoying_string_array) { - m_disabledModules.Add(bloody_wanker); - } - - } catch (Exception) { - m_log.Info("[DATASNAPSHOT]: Could not load configuration. DataSnapshot will be disabled."); - m_enabled = false; - return; - } - - } - } - if (Directory.Exists(m_snapsDir)) - { - m_log.Info("[DATASNAPSHOT] DataSnapshot directory already exists."); - } - else - { - // Try to create the directory. - m_log.Info("[DATASNAPSHOT] Creating " + m_snapsDir + " directory."); - try - { - Directory.CreateDirectory(m_snapsDir); - } - catch (Exception) - { - m_log.Error("[DATASNAPSHOT] Failed to create " + m_snapsDir + " directory."); - } - } - - - if (m_enabled) - { - m_log.Info("[DATASNAPSHOT]: Scene added to module."); - } - else - { - m_log.Warn("[DATASNAPSHOT]: Data snapshot disabled, not adding scene to module (or anything else)."); - } - } - - public bool IsSharedModule - { - get { return true; } - } - - public string Name - { - get { return "External Data Generator"; } - } - - public void PostInitialise() - { - if (m_enabled) - { - //Right now, only load ISearchData objects in the current assembly. - //Eventually allow it to load ISearchData objects from all assemblies. - Assembly currentasm = Assembly.GetExecutingAssembly(); - - //Stolen from ModuleLoader.cs - foreach (Type pluginType in currentasm.GetTypes()) - { - if (pluginType.IsPublic) - { - if (!pluginType.IsAbstract) - { - if (pluginType.GetInterface("IDataSnapshotProvider") != null) - { - foreach (Scene scene in m_scenes) - { - IDataSnapshotProvider module = (IDataSnapshotProvider)Activator.CreateInstance(pluginType); - module.Initialize(scene, this); - //module.PrepareData(); - List providerlist = null; - m_dataproviders.TryGetValue(scene, out providerlist); - if (providerlist == null) - { - providerlist = new List(); - m_dataproviders.Add(scene, providerlist); - } - providerlist.Add(module); - - } - m_log.Info("[DATASNAPSHOT]: Added new data provider type: " + pluginType.Name); - } - } - } - } - - //Hand it the first scene, assuming that all scenes have the same BaseHTTPServer - m_requests = new DataRequestHandler(m_scenes[0], this); - - //Create timer - m_periodic = new Timer(); - m_periodic.Interval = m_period * 1000; - m_periodic.Elapsed += SnapshotTimerCallback; - m_periodic.Enabled = true; - - m_hostname = m_scenes[0].RegionInfo.ExternalHostName; - - MakeNewSnapshot(); //Make the initial snapshot - - if (m_dataServices != "noservices") - NotifyDataServices(m_dataServices); - } - } - #endregion - - #region Associated helper functions - - string DataFileName(Scene scene) - { - return Path.Combine(m_snapsDir, Path.ChangeExtension(scene.RegionInfo.RegionName, "xml")); - //return (m_snapsDir + Path.DirectorySeparatorChar + scene.RegionInfo.RegionName + ".xml"); - } - - Scene SceneForName(string name) - { - foreach (Scene scene in m_scenes) - if (scene.RegionInfo.RegionName == name) - return scene; - - return null; - } - - #endregion - - #region [Private] XML snapshot generator - - private XmlDocument Snapshot(Scene scene) - { - XmlDocument basedoc = new XmlDocument(); - XmlNode regionElement = MakeRegionNode(scene, basedoc); - - regionElement.AppendChild(GetGridSnapshotData(basedoc)); - XmlNode regionData = basedoc.CreateNode(XmlNodeType.Element, "data", ""); - - foreach (KeyValuePair> dataprovider in m_dataproviders) - { - if (dataprovider.Key == scene) - { - foreach (IDataSnapshotProvider provider in dataprovider.Value) - { - XmlNode data = provider.RequestSnapshotData(basedoc); - regionData.AppendChild(data); - } - } - } - - regionElement.AppendChild(regionData); - - basedoc.AppendChild(regionElement); - - return basedoc; - } - - private XmlNode MakeRegionNode(Scene scene, XmlDocument basedoc) - { - XmlNode docElement = basedoc.CreateNode(XmlNodeType.Element, "region", ""); - - XmlAttribute attr = basedoc.CreateAttribute("category"); - attr.Value = GetRegionCategory(scene); - docElement.Attributes.Append(attr); - - attr = basedoc.CreateAttribute("entities"); - attr.Value = scene.Entities.Count.ToString(); - docElement.Attributes.Append(attr); - - //attr = basedoc.CreateAttribute("parcels"); - //attr.Value = scene.LandManager.landList.Count.ToString(); - //docElement.Attributes.Append(attr); - - - XmlNode infoblock = basedoc.CreateNode(XmlNodeType.Element, "info", ""); - - XmlNode infopiece = basedoc.CreateNode(XmlNodeType.Element, "uuid", ""); - infopiece.InnerText = scene.RegionInfo.RegionID.ToString(); - infoblock.AppendChild(infopiece); - - infopiece = basedoc.CreateNode(XmlNodeType.Element, "url", ""); - infopiece.InnerText = "http://" + m_hostname + ":" + m_listener_port; - infoblock.AppendChild(infopiece); - - infopiece = basedoc.CreateNode(XmlNodeType.Element, "name", ""); - infopiece.InnerText = scene.RegionInfo.RegionName; - infoblock.AppendChild(infopiece); - - docElement.AppendChild(infoblock); - - return docElement; - } - - private XmlNode GetGridSnapshotData(XmlDocument factory) - { - XmlNode griddata = factory.CreateNode(XmlNodeType.Element, "grid", ""); - - foreach (KeyValuePair GridData in m_gridinfo) - { - //TODO: make it lowercase tag names for diva - XmlNode childnode = factory.CreateNode(XmlNodeType.Element, GridData.Key, ""); - childnode.InnerText = GridData.Value; - griddata.AppendChild(childnode); - } - - return griddata; - } - - private String GetRegionCategory(Scene scene) - { - - //Boolean choice between: - // "PG" - Mormontown - // "Mature" - Sodom and Gomorrah - // (Depreciated) "Patriotic Nigra Testing Sandbox" - Abandon Hope All Ye Who Enter Here - if ((scene.RegionInfo.EstateSettings.simAccess & Simulator.SimAccess.Mature) == Simulator.SimAccess.Mature) - { - return "Mature"; - } - else if ((scene.RegionInfo.EstateSettings.simAccess & Simulator.SimAccess.PG) == Simulator.SimAccess.PG) - { - return "PG"; - } - else - { - return "Unknown"; - } - } - - /* Code's closed due to AIDS, See EstateSnapshot.cs for CURE - private XmlNode GetEstateSnapshotData(Scene scene, XmlDocument factory) - { - //Estate data section - contains who owns a set of sims and the name of the set. - //In Opensim all the estate names are the same as the Master Avatar (owner of the sim) - XmlNode estatedata = factory.CreateNode(XmlNodeType.Element, "estate", ""); - - LLUUID ownerid = scene.RegionInfo.MasterAvatarAssignedUUID; - String firstname = scene.RegionInfo.MasterAvatarFirstName; - String lastname = scene.RegionInfo.MasterAvatarLastName; - String hostname = scene.RegionInfo.ExternalHostName; - - XmlNode user = factory.CreateNode(XmlNodeType.Element, "owner", ""); - - XmlNode username = factory.CreateNode(XmlNodeType.Element, "name", ""); - username.InnerText = firstname + " " + lastname; - user.AppendChild(username); - - XmlNode useruuid = factory.CreateNode(XmlNodeType.Element, "uuid", ""); - useruuid.InnerText = ownerid.ToString(); - user.AppendChild(useruuid); - - estatedata.AppendChild(user); - - return estatedata; - } */ - - #endregion - - #region [Public] Snapshot storage functions - - public void MakeNewSnapshot() - { - foreach (Scene scene in m_scenes) - { - XmlDocument snapshot = Snapshot(scene); - - string path = DataFileName(scene); - - try - { - using (XmlTextWriter snapXWriter = new XmlTextWriter(path, Encoding.Default)) - { - snapXWriter.Formatting = Formatting.Indented; - snapXWriter.WriteStartDocument(); - snapshot.WriteTo(snapXWriter); - snapXWriter.WriteEndDocument(); - - m_lastSnapshot++; - } - } - catch (Exception e) - { - m_log.Warn("[DATASNAPSHOT]: Caught unknown exception while trying to save snapshot: " + path + "\n" + e.ToString()); - } - m_log.Info("[DATASNAPSHOT]: Made external data snapshot " + path); - } - } - - /** - * Reply to the http request - */ - public XmlDocument GetSnapshot(string regionName) - { - XmlDocument requestedSnap = new XmlDocument(); - requestedSnap.AppendChild(requestedSnap.CreateXmlDeclaration("1.0", null, null)); - requestedSnap.AppendChild(requestedSnap.CreateWhitespace("\r\n")); - XmlNode regiondata = requestedSnap.CreateNode(XmlNodeType.Element, "regiondata", ""); - try - { - if (regionName == null || regionName == "") - { - foreach (Scene scene in m_scenes) - { - string path = DataFileName(scene); - XmlDocument regionSnap = new XmlDocument(); - regionSnap.PreserveWhitespace = true; - - regionSnap.Load(path); - XmlNode nodeOrig = regionSnap["region"]; - XmlNode nodeDest = requestedSnap.ImportNode(nodeOrig, true); - //requestedSnap.AppendChild(nodeDest); - - regiondata.AppendChild(requestedSnap.CreateWhitespace("\r\n")); - regiondata.AppendChild(nodeDest); - } - } - else - { - Scene scene = SceneForName(regionName); - requestedSnap.Load(DataFileName(scene)); - } - // requestedSnap.InsertBefore(requestedSnap.CreateXmlDeclaration("1.0", null, null), -// requestedSnap.DocumentElement); - requestedSnap.AppendChild(regiondata); - regiondata.AppendChild(requestedSnap.CreateWhitespace("\r\n")); - - - } - catch (XmlException e) - { - m_log.Warn("[DATASNAPSHOT]: XmlException while trying to load snapshot: " + e.ToString()); - requestedSnap = GetErrorMessage(regionName, e); - } - catch (Exception e) - { - m_log.Warn("[DATASNAPSHOT]: Caught unknown exception while trying to load snapshot: " + e.StackTrace); - requestedSnap = GetErrorMessage(regionName, e); - } - - - return requestedSnap; - } - - private XmlDocument GetErrorMessage(string regionName, Exception e) - { - XmlDocument errorMessage = new XmlDocument(); - XmlNode error = errorMessage.CreateNode(XmlNodeType.Element, "error", ""); - XmlNode region = errorMessage.CreateNode(XmlNodeType.Element, "region", ""); - region.InnerText = regionName; - - XmlNode exception = errorMessage.CreateNode(XmlNodeType.Element, "exception", ""); - exception.InnerText = e.ToString(); - - error.AppendChild(region); - error.AppendChild(exception); - errorMessage.AppendChild(error); - - return errorMessage; - } - - #endregion - - #region Event callbacks - - private void SnapshotTimerCallback(object timer, ElapsedEventArgs args) - { - MakeNewSnapshot(); - //Add extra calls here - } - - #endregion - - #region External data services - private void NotifyDataServices(string servicesStr) - { - Stream reply = null; - string delimStr = ";"; - char [] delimiter = delimStr.ToCharArray(); - - string[] services = servicesStr.Split(delimiter); - - for (int i = 0; i < services.Length; i++) - { - string url = services[i].Trim(); - RestClient cli = new RestClient(url); - cli.AddQueryParameter("host", m_hostname); - cli.AddQueryParameter("port", m_listener_port); - cli.RequestMethod = "GET"; - try - { - reply = cli.Request(); - } - catch (System.Net.WebException) - { - m_log.Warn("[DATASNAPSHOT] Unable to notify " + url); - } - catch (Exception e) - { - m_log.Warn("[DATASNAPSHOT] Ignoring unknown exception " + e.ToString()); - } - byte[] response = new byte[1024]; - int n = 0; - try - { - n = reply.Read(response, 0, 1024); - } - catch (Exception e) - { - m_log.Warn("[DATASNAPSHOT] Unable to decode reply from data service. Ignoring. " + e.StackTrace); - } - // This is not quite working, so... - string responseStr = System.Text.ASCIIEncoding.UTF8.GetString(response); - m_log.Info("[DATASNAPSHOT] data service notified: " + url); - } - - } - #endregion - } -} +/* +* 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.Xml; +using System.IO; +using System.Text; +using System.Timers; +using OpenSim.Framework; +using OpenSim.Framework.Communications; +using OpenSim.Region.Environment.Interfaces; +using OpenSim.Region.Environment.Scenes; +using Nini.Config; +using libsecondlife; +using libsecondlife.Packets; + +namespace OpenSim.Region.DataSnapshot +{ + public class DataSnapshotManager : IRegionModule + { + #region Class members + private List m_scenes = new List(); + private log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); + private bool m_enabled = false; + private bool m_configLoaded = false; + internal object m_syncInit = new object(); + private DataRequestHandler m_requests = null; + private Dictionary> m_dataproviders = new Dictionary>(); + private Dictionary m_gridinfo = new Dictionary(); + //private int m_oldestSnapshot = 0; + private int m_maxSnapshots = 500; + private int m_lastSnapshot = 0; + private string m_snapsDir = "DataSnapshot"; + private string m_dataServices = "noservices"; + private string m_listener_port = "9000"; //TODO: Set default port over 9000 + private string m_hostname = "127.0.0.1"; + private Timer m_periodic = null; + private int m_period = 60; // in seconds + private List m_disabledModules = new List(); + #endregion + + #region IRegionModule + public void Close() + { + + } + + public void Initialise(Scene scene, Nini.Config.IConfigSource config) + { + if (!m_scenes.Contains(scene)) + m_scenes.Add(scene); + + if (!m_configLoaded) { + m_configLoaded = true; + m_log.Info("[DATASNAPSHOT]: Loading configuration"); + //Read from the config for options + lock (m_syncInit) { + try { + m_enabled = config.Configs["DataSnapshot"].GetBoolean("index_sims", m_enabled); + if (config.Configs["Startup"].GetBoolean("gridmode", true)) + { + m_gridinfo.Add("gridserverURL", config.Configs["Network"].GetString("grid_server_url", "harbl")); + m_gridinfo.Add("userserverURL", config.Configs["Network"].GetString("user_server_url", "harbl")); + m_gridinfo.Add("assetserverURL", config.Configs["Network"].GetString("asset_server_url", "harbl")); + } + else + { + //Non gridmode stuff + } + + m_gridinfo.Add("Name", config.Configs["DataSnapshot"].GetString("gridname", "harbl")); + m_maxSnapshots = config.Configs["DataSnapshot"].GetInt("max_snapshots", m_maxSnapshots); + m_period = config.Configs["DataSnapshot"].GetInt("default_snapshot_period", m_period); + m_snapsDir = config.Configs["DataSnapshot"].GetString("snapshot_cache_directory", m_snapsDir); + m_dataServices = config.Configs["DataSnapshot"].GetString("data_services", m_dataServices); + m_listener_port = config.Configs["Network"].GetString("http_listener_port", m_listener_port); + //BUG: Naming a search data module "DESUDESUDESU" will cause it to not get loaded by default. + //RESOLUTION: Wontfix, there are no Suiseiseki-loving developers + String[] annoying_string_array = config.Configs["DataSnapshot"].GetString("disable_modules", "DESUDESUDESU").Split(".".ToCharArray()); + foreach (String bloody_wanker in annoying_string_array) { + m_disabledModules.Add(bloody_wanker); + } + + } catch (Exception) { + m_log.Info("[DATASNAPSHOT]: Could not load configuration. DataSnapshot will be disabled."); + m_enabled = false; + return; + } + + } + } + if (Directory.Exists(m_snapsDir)) + { + m_log.Info("[DATASNAPSHOT] DataSnapshot directory already exists."); + } + else + { + // Try to create the directory. + m_log.Info("[DATASNAPSHOT] Creating " + m_snapsDir + " directory."); + try + { + Directory.CreateDirectory(m_snapsDir); + } + catch (Exception) + { + m_log.Error("[DATASNAPSHOT] Failed to create " + m_snapsDir + " directory."); + } + } + + + if (m_enabled) + { + m_log.Info("[DATASNAPSHOT]: Scene added to module."); + } + else + { + m_log.Warn("[DATASNAPSHOT]: Data snapshot disabled, not adding scene to module (or anything else)."); + } + } + + public bool IsSharedModule + { + get { return true; } + } + + public string Name + { + get { return "External Data Generator"; } + } + + public void PostInitialise() + { + if (m_enabled) + { + //Right now, only load ISearchData objects in the current assembly. + //Eventually allow it to load ISearchData objects from all assemblies. + Assembly currentasm = Assembly.GetExecutingAssembly(); + + //Stolen from ModuleLoader.cs + foreach (Type pluginType in currentasm.GetTypes()) + { + if (pluginType.IsPublic) + { + if (!pluginType.IsAbstract) + { + if (pluginType.GetInterface("IDataSnapshotProvider") != null) + { + foreach (Scene scene in m_scenes) + { + IDataSnapshotProvider module = (IDataSnapshotProvider)Activator.CreateInstance(pluginType); + module.Initialize(scene, this); + //module.PrepareData(); + List providerlist = null; + m_dataproviders.TryGetValue(scene, out providerlist); + if (providerlist == null) + { + providerlist = new List(); + m_dataproviders.Add(scene, providerlist); + } + providerlist.Add(module); + + } + m_log.Info("[DATASNAPSHOT]: Added new data provider type: " + pluginType.Name); + } + } + } + } + + //Hand it the first scene, assuming that all scenes have the same BaseHTTPServer + m_requests = new DataRequestHandler(m_scenes[0], this); + + //Create timer + m_periodic = new Timer(); + m_periodic.Interval = m_period * 1000; + m_periodic.Elapsed += SnapshotTimerCallback; + m_periodic.Enabled = true; + + m_hostname = m_scenes[0].RegionInfo.ExternalHostName; + + MakeNewSnapshot(); //Make the initial snapshot + + if (m_dataServices != "noservices") + NotifyDataServices(m_dataServices); + } + } + #endregion + + #region Associated helper functions + + string DataFileName(Scene scene) + { + return Path.Combine(m_snapsDir, Path.ChangeExtension(scene.RegionInfo.RegionName, "xml")); + //return (m_snapsDir + Path.DirectorySeparatorChar + scene.RegionInfo.RegionName + ".xml"); + } + + Scene SceneForName(string name) + { + foreach (Scene scene in m_scenes) + if (scene.RegionInfo.RegionName == name) + return scene; + + return null; + } + + #endregion + + #region [Private] XML snapshot generator + + private XmlDocument Snapshot(Scene scene) + { + XmlDocument basedoc = new XmlDocument(); + XmlNode regionElement = MakeRegionNode(scene, basedoc); + + regionElement.AppendChild(GetGridSnapshotData(basedoc)); + XmlNode regionData = basedoc.CreateNode(XmlNodeType.Element, "data", ""); + + foreach (KeyValuePair> dataprovider in m_dataproviders) + { + if (dataprovider.Key == scene) + { + foreach (IDataSnapshotProvider provider in dataprovider.Value) + { + XmlNode data = provider.RequestSnapshotData(basedoc); + regionData.AppendChild(data); + } + } + } + + regionElement.AppendChild(regionData); + + basedoc.AppendChild(regionElement); + + return basedoc; + } + + private XmlNode MakeRegionNode(Scene scene, XmlDocument basedoc) + { + XmlNode docElement = basedoc.CreateNode(XmlNodeType.Element, "region", ""); + + XmlAttribute attr = basedoc.CreateAttribute("category"); + attr.Value = GetRegionCategory(scene); + docElement.Attributes.Append(attr); + + attr = basedoc.CreateAttribute("entities"); + attr.Value = scene.Entities.Count.ToString(); + docElement.Attributes.Append(attr); + + //attr = basedoc.CreateAttribute("parcels"); + //attr.Value = scene.LandManager.landList.Count.ToString(); + //docElement.Attributes.Append(attr); + + + XmlNode infoblock = basedoc.CreateNode(XmlNodeType.Element, "info", ""); + + XmlNode infopiece = basedoc.CreateNode(XmlNodeType.Element, "uuid", ""); + infopiece.InnerText = scene.RegionInfo.RegionID.ToString(); + infoblock.AppendChild(infopiece); + + infopiece = basedoc.CreateNode(XmlNodeType.Element, "url", ""); + infopiece.InnerText = "http://" + m_hostname + ":" + m_listener_port; + infoblock.AppendChild(infopiece); + + infopiece = basedoc.CreateNode(XmlNodeType.Element, "name", ""); + infopiece.InnerText = scene.RegionInfo.RegionName; + infoblock.AppendChild(infopiece); + + docElement.AppendChild(infoblock); + + return docElement; + } + + private XmlNode GetGridSnapshotData(XmlDocument factory) + { + XmlNode griddata = factory.CreateNode(XmlNodeType.Element, "grid", ""); + + foreach (KeyValuePair GridData in m_gridinfo) + { + //TODO: make it lowercase tag names for diva + XmlNode childnode = factory.CreateNode(XmlNodeType.Element, GridData.Key, ""); + childnode.InnerText = GridData.Value; + griddata.AppendChild(childnode); + } + + return griddata; + } + + private String GetRegionCategory(Scene scene) + { + + //Boolean choice between: + // "PG" - Mormontown + // "Mature" - Sodom and Gomorrah + // (Depreciated) "Patriotic Nigra Testing Sandbox" - Abandon Hope All Ye Who Enter Here + if ((scene.RegionInfo.EstateSettings.simAccess & Simulator.SimAccess.Mature) == Simulator.SimAccess.Mature) + { + return "Mature"; + } + else if ((scene.RegionInfo.EstateSettings.simAccess & Simulator.SimAccess.PG) == Simulator.SimAccess.PG) + { + return "PG"; + } + else + { + return "Unknown"; + } + } + + /* Code's closed due to AIDS, See EstateSnapshot.cs for CURE + private XmlNode GetEstateSnapshotData(Scene scene, XmlDocument factory) + { + //Estate data section - contains who owns a set of sims and the name of the set. + //In Opensim all the estate names are the same as the Master Avatar (owner of the sim) + XmlNode estatedata = factory.CreateNode(XmlNodeType.Element, "estate", ""); + + LLUUID ownerid = scene.RegionInfo.MasterAvatarAssignedUUID; + String firstname = scene.RegionInfo.MasterAvatarFirstName; + String lastname = scene.RegionInfo.MasterAvatarLastName; + String hostname = scene.RegionInfo.ExternalHostName; + + XmlNode user = factory.CreateNode(XmlNodeType.Element, "owner", ""); + + XmlNode username = factory.CreateNode(XmlNodeType.Element, "name", ""); + username.InnerText = firstname + " " + lastname; + user.AppendChild(username); + + XmlNode useruuid = factory.CreateNode(XmlNodeType.Element, "uuid", ""); + useruuid.InnerText = ownerid.ToString(); + user.AppendChild(useruuid); + + estatedata.AppendChild(user); + + return estatedata; + } */ + + #endregion + + #region [Public] Snapshot storage functions + + public void MakeNewSnapshot() + { + foreach (Scene scene in m_scenes) + { + XmlDocument snapshot = Snapshot(scene); + + string path = DataFileName(scene); + + try + { + using (XmlTextWriter snapXWriter = new XmlTextWriter(path, Encoding.Default)) + { + snapXWriter.Formatting = Formatting.Indented; + snapXWriter.WriteStartDocument(); + snapshot.WriteTo(snapXWriter); + snapXWriter.WriteEndDocument(); + + m_lastSnapshot++; + } + } + catch (Exception e) + { + m_log.Warn("[DATASNAPSHOT]: Caught unknown exception while trying to save snapshot: " + path + "\n" + e.ToString()); + } + m_log.Info("[DATASNAPSHOT]: Made external data snapshot " + path); + } + } + + /** + * Reply to the http request + */ + public XmlDocument GetSnapshot(string regionName) + { + XmlDocument requestedSnap = new XmlDocument(); + requestedSnap.AppendChild(requestedSnap.CreateXmlDeclaration("1.0", null, null)); + requestedSnap.AppendChild(requestedSnap.CreateWhitespace("\r\n")); + XmlNode regiondata = requestedSnap.CreateNode(XmlNodeType.Element, "regiondata", ""); + try + { + if (regionName == null || regionName == "") + { + foreach (Scene scene in m_scenes) + { + string path = DataFileName(scene); + XmlDocument regionSnap = new XmlDocument(); + regionSnap.PreserveWhitespace = true; + + regionSnap.Load(path); + XmlNode nodeOrig = regionSnap["region"]; + XmlNode nodeDest = requestedSnap.ImportNode(nodeOrig, true); + //requestedSnap.AppendChild(nodeDest); + + regiondata.AppendChild(requestedSnap.CreateWhitespace("\r\n")); + regiondata.AppendChild(nodeDest); + } + } + else + { + Scene scene = SceneForName(regionName); + requestedSnap.Load(DataFileName(scene)); + } + // requestedSnap.InsertBefore(requestedSnap.CreateXmlDeclaration("1.0", null, null), +// requestedSnap.DocumentElement); + requestedSnap.AppendChild(regiondata); + regiondata.AppendChild(requestedSnap.CreateWhitespace("\r\n")); + + + } + catch (XmlException e) + { + m_log.Warn("[DATASNAPSHOT]: XmlException while trying to load snapshot: " + e.ToString()); + requestedSnap = GetErrorMessage(regionName, e); + } + catch (Exception e) + { + m_log.Warn("[DATASNAPSHOT]: Caught unknown exception while trying to load snapshot: " + e.StackTrace); + requestedSnap = GetErrorMessage(regionName, e); + } + + + return requestedSnap; + } + + private XmlDocument GetErrorMessage(string regionName, Exception e) + { + XmlDocument errorMessage = new XmlDocument(); + XmlNode error = errorMessage.CreateNode(XmlNodeType.Element, "error", ""); + XmlNode region = errorMessage.CreateNode(XmlNodeType.Element, "region", ""); + region.InnerText = regionName; + + XmlNode exception = errorMessage.CreateNode(XmlNodeType.Element, "exception", ""); + exception.InnerText = e.ToString(); + + error.AppendChild(region); + error.AppendChild(exception); + errorMessage.AppendChild(error); + + return errorMessage; + } + + #endregion + + #region Event callbacks + + private void SnapshotTimerCallback(object timer, ElapsedEventArgs args) + { + MakeNewSnapshot(); + //Add extra calls here + } + + #endregion + + #region External data services + private void NotifyDataServices(string servicesStr) + { + Stream reply = null; + string delimStr = ";"; + char [] delimiter = delimStr.ToCharArray(); + + string[] services = servicesStr.Split(delimiter); + + for (int i = 0; i < services.Length; i++) + { + string url = services[i].Trim(); + RestClient cli = new RestClient(url); + cli.AddQueryParameter("host", m_hostname); + cli.AddQueryParameter("port", m_listener_port); + cli.RequestMethod = "GET"; + try + { + reply = cli.Request(); + } + catch (System.Net.WebException) + { + m_log.Warn("[DATASNAPSHOT] Unable to notify " + url); + } + catch (Exception e) + { + m_log.Warn("[DATASNAPSHOT] Ignoring unknown exception " + e.ToString()); + } + byte[] response = new byte[1024]; + int n = 0; + try + { + n = reply.Read(response, 0, 1024); + } + catch (Exception e) + { + m_log.Warn("[DATASNAPSHOT] Unable to decode reply from data service. Ignoring. " + e.StackTrace); + } + // This is not quite working, so... + string responseStr = System.Text.ASCIIEncoding.UTF8.GetString(response); + m_log.Info("[DATASNAPSHOT] data service notified: " + url); + } + + } + #endregion + } +} -- cgit v1.1