640 lines
24 KiB
C#
640 lines
24 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 OpenSimulator 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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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Reflection;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Timers;
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using log4net;
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using log4net.Appender;
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using log4net.Core;
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using log4net.Repository;
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using OpenSim.Framework;
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using OpenSim.Framework.Console;
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using OpenSim.Framework.Servers;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenSim.Framework.Statistics;
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using Timer=System.Timers.Timer;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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namespace OpenSim.Framework.Servers
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{
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/// <summary>
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/// Common base for the main OpenSimServers (user, grid, inventory, region, etc)
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/// </summary>
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public abstract class BaseOpenSimServer
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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/// <summary>
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/// This will control a periodic log printout of the current 'show stats' (if they are active) for this
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/// server.
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/// </summary>
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private Timer m_periodicDiagnosticsTimer = new Timer(60 * 60 * 1000);
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protected CommandConsole m_console;
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protected OpenSimAppender m_consoleAppender;
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protected IAppender m_logFileAppender = null;
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/// <summary>
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/// Time at which this server was started
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/// </summary>
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protected DateTime m_startuptime;
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/// <summary>
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/// Record the initial startup directory for info purposes
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/// </summary>
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protected string m_startupDirectory = Environment.CurrentDirectory;
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/// <summary>
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/// Server version information. Usually VersionInfo + information about git commit, operating system, etc.
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/// </summary>
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protected string m_version;
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protected string m_pidFile = String.Empty;
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/// <summary>
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/// Random uuid for private data
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/// </summary>
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protected string m_osSecret = String.Empty;
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protected BaseHttpServer m_httpServer;
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public BaseHttpServer HttpServer
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{
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get { return m_httpServer; }
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}
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/// <summary>
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/// Holds the non-viewer statistics collection object for this service/server
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/// </summary>
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protected IStatsCollector m_stats;
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public BaseOpenSimServer()
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{
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m_startuptime = DateTime.Now;
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m_version = VersionInfo.Version;
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// Random uuid for private data
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m_osSecret = UUID.Random().ToString();
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m_periodicDiagnosticsTimer.Elapsed += new ElapsedEventHandler(LogDiagnostics);
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m_periodicDiagnosticsTimer.Enabled = true;
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// This thread will go on to become the console listening thread
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Thread.CurrentThread.Name = "ConsoleThread";
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ILoggerRepository repository = LogManager.GetRepository();
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IAppender[] appenders = repository.GetAppenders();
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foreach (IAppender appender in appenders)
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{
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if (appender.Name == "LogFileAppender")
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{
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m_logFileAppender = appender;
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}
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}
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}
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/// <summary>
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/// Must be overriden by child classes for their own server specific startup behaviour.
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/// </summary>
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protected virtual void StartupSpecific()
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{
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if (m_console != null)
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{
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ILoggerRepository repository = LogManager.GetRepository();
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IAppender[] appenders = repository.GetAppenders();
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foreach (IAppender appender in appenders)
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{
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if (appender.Name == "Console")
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{
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m_consoleAppender = (OpenSimAppender)appender;
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break;
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}
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}
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if (null == m_consoleAppender)
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{
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Notice("No appender named Console found (see the log4net config file for this executable)!");
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}
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else
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{
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m_consoleAppender.Console = m_console;
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// If there is no threshold set then the threshold is effectively everything.
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if (null == m_consoleAppender.Threshold)
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m_consoleAppender.Threshold = Level.All;
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Notice(String.Format("Console log level is {0}", m_consoleAppender.Threshold));
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}
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m_console.Commands.AddCommand("General", false, "quit",
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"quit",
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"Quit the application", HandleQuit);
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m_console.Commands.AddCommand("General", false, "shutdown",
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"shutdown",
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"Quit the application", HandleQuit);
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m_console.Commands.AddCommand("General", false, "set log level",
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"set log level <level>",
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"Set the console logging level", HandleLogLevel);
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m_console.Commands.AddCommand("General", false, "show info",
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"show info",
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"Show general information about the server", HandleShow);
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m_console.Commands.AddCommand("General", false, "show stats",
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"show stats",
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"Show statistics", HandleShow);
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m_console.Commands.AddCommand("General", false, "show threads",
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"show threads",
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"Show thread status", HandleShow);
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m_console.Commands.AddCommand("General", false, "show uptime",
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"show uptime",
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"Show server uptime", HandleShow);
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m_console.Commands.AddCommand("General", false, "show version",
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"show version",
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"Show server version", HandleShow);
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m_console.Commands.AddCommand("General", false, "threads abort",
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"threads abort <thread-id>",
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"Abort a managed thread. Use \"show threads\" to find possible threads.", HandleThreadsAbort);
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m_console.Commands.AddCommand("General", false, "threads show",
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"threads show",
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"Show thread status. Synonym for \"show threads\"",
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(string module, string[] args) => Notice(GetThreadsReport()));
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}
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}
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/// <summary>
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/// Should be overriden and referenced by descendents if they need to perform extra shutdown processing
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/// </summary>
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public virtual void ShutdownSpecific() {}
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/// <summary>
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/// Provides a list of help topics that are available. Overriding classes should append their topics to the
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/// information returned when the base method is called.
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/// </summary>
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///
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/// <returns>
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/// A list of strings that represent different help topics on which more information is available
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/// </returns>
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protected virtual List<string> GetHelpTopics() { return new List<string>(); }
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/// <summary>
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/// Print statistics to the logfile, if they are active
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/// </summary>
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protected void LogDiagnostics(object source, ElapsedEventArgs e)
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{
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StringBuilder sb = new StringBuilder("DIAGNOSTICS\n\n");
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sb.Append(GetUptimeReport());
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if (m_stats != null)
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{
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sb.Append(m_stats.Report());
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}
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sb.Append(Environment.NewLine);
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sb.Append(GetThreadsReport());
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m_log.Debug(sb);
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}
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/// <summary>
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/// Get a report about the registered threads in this server.
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/// </summary>
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protected string GetThreadsReport()
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{
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// This should be a constant field.
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string reportFormat = "{0,6} {1,35} {2,16} {3,13} {4,10} {5,30}";
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StringBuilder sb = new StringBuilder();
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Watchdog.ThreadWatchdogInfo[] threads = Watchdog.GetThreadsInfo();
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sb.Append(threads.Length + " threads are being tracked:" + Environment.NewLine);
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int timeNow = Environment.TickCount & Int32.MaxValue;
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sb.AppendFormat(reportFormat, "ID", "NAME", "LAST UPDATE (MS)", "LIFETIME (MS)", "PRIORITY", "STATE");
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sb.Append(Environment.NewLine);
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foreach (Watchdog.ThreadWatchdogInfo twi in threads)
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{
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Thread t = twi.Thread;
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sb.AppendFormat(
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reportFormat,
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t.ManagedThreadId,
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t.Name,
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timeNow - twi.LastTick,
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timeNow - twi.FirstTick,
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t.Priority,
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t.ThreadState);
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sb.Append("\n");
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}
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sb.Append("\n");
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// For some reason mono 2.6.7 returns an empty threads set! Not going to confuse people by reporting
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// zero active threads.
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int totalThreads = Process.GetCurrentProcess().Threads.Count;
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if (totalThreads > 0)
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sb.AppendFormat("Total threads active: {0}\n\n", totalThreads);
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sb.Append("Main threadpool (excluding script engine pools)\n");
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sb.Append(Util.GetThreadPoolReport());
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return sb.ToString();
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}
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/// <summary>
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/// Return a report about the uptime of this server
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/// </summary>
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/// <returns></returns>
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protected string GetUptimeReport()
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{
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StringBuilder sb = new StringBuilder(String.Format("Time now is {0}\n", DateTime.Now));
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sb.Append(String.Format("Server has been running since {0}, {1}\n", m_startuptime.DayOfWeek, m_startuptime));
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sb.Append(String.Format("That is an elapsed time of {0}\n", DateTime.Now - m_startuptime));
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return sb.ToString();
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}
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/// <summary>
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/// Performs initialisation of the scene, such as loading configuration from disk.
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/// </summary>
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public virtual void Startup()
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{
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m_log.Info("[STARTUP]: Beginning startup processing");
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EnhanceVersionInformation();
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m_log.Info("[STARTUP]: OpenSimulator version: " + m_version + Environment.NewLine);
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// clr version potentially is more confusing than helpful, since it doesn't tell us if we're running under Mono/MS .NET and
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// the clr version number doesn't match the project version number under Mono.
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//m_log.Info("[STARTUP]: Virtual machine runtime version: " + Environment.Version + Environment.NewLine);
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m_log.InfoFormat(
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"[STARTUP]: Operating system version: {0}, .NET platform {1}, {2}-bit\n",
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Environment.OSVersion, Environment.OSVersion.Platform, Util.Is64BitProcess() ? "64" : "32");
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StartupSpecific();
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TimeSpan timeTaken = DateTime.Now - m_startuptime;
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m_log.InfoFormat(
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"[STARTUP]: Non-script portion of startup took {0}m {1}s. PLEASE WAIT FOR LOGINS TO BE ENABLED ON REGIONS.",
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timeTaken.Minutes, timeTaken.Seconds);
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}
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/// <summary>
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/// Should be overriden and referenced by descendents if they need to perform extra shutdown processing
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/// </summary>
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public virtual void Shutdown()
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{
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ShutdownSpecific();
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m_log.Info("[SHUTDOWN]: Shutdown processing on main thread complete. Exiting...");
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RemovePIDFile();
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Environment.Exit(0);
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}
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private void HandleQuit(string module, string[] args)
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{
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Shutdown();
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}
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private void HandleLogLevel(string module, string[] cmd)
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{
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if (null == m_consoleAppender)
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{
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Notice("No appender named Console found (see the log4net config file for this executable)!");
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return;
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}
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if (cmd.Length > 3)
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{
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string rawLevel = cmd[3];
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ILoggerRepository repository = LogManager.GetRepository();
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Level consoleLevel = repository.LevelMap[rawLevel];
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if (consoleLevel != null)
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m_consoleAppender.Threshold = consoleLevel;
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else
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Notice(
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String.Format(
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"{0} is not a valid logging level. Valid logging levels are ALL, DEBUG, INFO, WARN, ERROR, FATAL, OFF",
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rawLevel));
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}
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Notice(String.Format("Console log level is {0}", m_consoleAppender.Threshold));
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}
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/// <summary>
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/// Show help information
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/// </summary>
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/// <param name="helpArgs"></param>
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protected virtual void ShowHelp(string[] helpArgs)
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{
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Notice("");
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if (helpArgs.Length == 0)
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{
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Notice("set log level [level] - change the console logging level only. For example, off or debug.");
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Notice("show info - show server information (e.g. startup path).");
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if (m_stats != null)
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Notice("show stats - show statistical information for this server");
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Notice("show threads - list tracked threads");
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Notice("show uptime - show server startup time and uptime.");
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Notice("show version - show server version.");
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Notice("");
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return;
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}
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}
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public virtual void HandleShow(string module, string[] cmd)
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{
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List<string> args = new List<string>(cmd);
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args.RemoveAt(0);
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string[] showParams = args.ToArray();
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switch (showParams[0])
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{
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case "info":
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ShowInfo();
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break;
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case "stats":
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if (m_stats != null)
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Notice(m_stats.Report());
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break;
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case "threads":
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Notice(GetThreadsReport());
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break;
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case "uptime":
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Notice(GetUptimeReport());
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break;
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case "version":
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Notice(GetVersionText());
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break;
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}
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}
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public virtual void HandleThreadsAbort(string module, string[] cmd)
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{
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if (cmd.Length != 3)
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{
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MainConsole.Instance.Output("Usage: threads abort <thread-id>");
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return;
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}
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int threadId;
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if (!int.TryParse(cmd[2], out threadId))
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{
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MainConsole.Instance.Output("ERROR: Thread id must be an integer");
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return;
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}
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if (Watchdog.AbortThread(threadId))
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MainConsole.Instance.OutputFormat("Aborted thread with id {0}", threadId);
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else
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MainConsole.Instance.OutputFormat("ERROR - Thread with id {0} not found in managed threads", threadId);
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}
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protected void ShowInfo()
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{
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Notice(GetVersionText());
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Notice("Startup directory: " + m_startupDirectory);
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if (null != m_consoleAppender)
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Notice(String.Format("Console log level: {0}", m_consoleAppender.Threshold));
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}
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protected string GetVersionText()
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{
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return String.Format("Version: {0} (interface version {1})", m_version, VersionInfo.MajorInterfaceVersion);
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}
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/// <summary>
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/// Console output is only possible if a console has been established.
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/// That is something that cannot be determined within this class. So
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/// all attempts to use the console MUST be verified.
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/// </summary>
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/// <param name="msg"></param>
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protected void Notice(string msg)
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{
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if (m_console != null)
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{
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m_console.Output(msg);
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}
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}
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/// <summary>
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/// Console output is only possible if a console has been established.
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/// That is something that cannot be determined within this class. So
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/// all attempts to use the console MUST be verified.
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/// </summary>
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/// <param name="format"></param>
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/// <param name="components"></param>
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protected void Notice(string format, params string[] components)
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{
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if (m_console != null)
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m_console.OutputFormat(format, components);
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}
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/// <summary>
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/// Enhance the version string with extra information if it's available.
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/// </summary>
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protected void EnhanceVersionInformation()
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{
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string buildVersion = string.Empty;
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// The subversion information is deprecated and will be removed at a later date
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// Add subversion revision information if available
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// Try file "svn_revision" in the current directory first, then the .svn info.
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// This allows to make the revision available in simulators not running from the source tree.
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// FIXME: Making an assumption about the directory we're currently in - we do this all over the place
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// elsewhere as well
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string gitDir = "../.git/";
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string gitRefPointerPath = gitDir + "HEAD";
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string svnRevisionFileName = "svn_revision";
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string svnFileName = ".svn/entries";
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string manualVersionFileName = ".version";
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string inputLine;
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int strcmp;
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if (File.Exists(manualVersionFileName))
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{
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using (StreamReader CommitFile = File.OpenText(manualVersionFileName))
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buildVersion = CommitFile.ReadLine();
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m_version += buildVersion ?? "";
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}
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else if (File.Exists(gitRefPointerPath))
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{
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// m_log.DebugFormat("[OPENSIM]: Found {0}", gitRefPointerPath);
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string rawPointer = "";
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using (StreamReader pointerFile = File.OpenText(gitRefPointerPath))
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rawPointer = pointerFile.ReadLine();
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// m_log.DebugFormat("[OPENSIM]: rawPointer [{0}]", rawPointer);
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Match m = Regex.Match(rawPointer, "^ref: (.+)$");
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if (m.Success)
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{
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// m_log.DebugFormat("[OPENSIM]: Matched [{0}]", m.Groups[1].Value);
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string gitRef = m.Groups[1].Value;
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string gitRefPath = gitDir + gitRef;
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if (File.Exists(gitRefPath))
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{
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// m_log.DebugFormat("[OPENSIM]: Found gitRefPath [{0}]", gitRefPath);
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using (StreamReader refFile = File.OpenText(gitRefPath))
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{
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string gitHash = refFile.ReadLine();
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m_version += gitHash.Substring(0, 7);
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}
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}
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}
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}
|
|
else
|
|
{
|
|
// Remove the else logic when subversion mirror is no longer used
|
|
if (File.Exists(svnRevisionFileName))
|
|
{
|
|
StreamReader RevisionFile = File.OpenText(svnRevisionFileName);
|
|
buildVersion = RevisionFile.ReadLine();
|
|
buildVersion.Trim();
|
|
RevisionFile.Close();
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(buildVersion) && File.Exists(svnFileName))
|
|
{
|
|
StreamReader EntriesFile = File.OpenText(svnFileName);
|
|
inputLine = EntriesFile.ReadLine();
|
|
while (inputLine != null)
|
|
{
|
|
// using the dir svn revision at the top of entries file
|
|
strcmp = String.Compare(inputLine, "dir");
|
|
if (strcmp == 0)
|
|
{
|
|
buildVersion = EntriesFile.ReadLine();
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
inputLine = EntriesFile.ReadLine();
|
|
}
|
|
}
|
|
EntriesFile.Close();
|
|
}
|
|
|
|
m_version += string.IsNullOrEmpty(buildVersion) ? " " : ("." + buildVersion + " ").Substring(0, 6);
|
|
}
|
|
}
|
|
|
|
protected void CreatePIDFile(string path)
|
|
{
|
|
try
|
|
{
|
|
string pidstring = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
|
|
FileStream fs = File.Create(path);
|
|
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
|
|
Byte[] buf = enc.GetBytes(pidstring);
|
|
fs.Write(buf, 0, buf.Length);
|
|
fs.Close();
|
|
m_pidFile = path;
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
}
|
|
|
|
public string osSecret {
|
|
// Secret uuid for the simulator
|
|
get { return m_osSecret; }
|
|
|
|
}
|
|
|
|
public string StatReport(IOSHttpRequest httpRequest)
|
|
{
|
|
// If we catch a request for "callback", wrap the response in the value for jsonp
|
|
if (httpRequest.Query.ContainsKey("callback"))
|
|
{
|
|
return httpRequest.Query["callback"].ToString() + "(" + m_stats.XReport((DateTime.Now - m_startuptime).ToString() , m_version) + ");";
|
|
}
|
|
else
|
|
{
|
|
return m_stats.XReport((DateTime.Now - m_startuptime).ToString() , m_version);
|
|
}
|
|
}
|
|
|
|
protected void RemovePIDFile()
|
|
{
|
|
if (m_pidFile != String.Empty)
|
|
{
|
|
try
|
|
{
|
|
File.Delete(m_pidFile);
|
|
m_pidFile = String.Empty;
|
|
}
|
|
catch (Exception)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|