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/*
* 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.IO;
using System.Reflection;
using log4net;
using OpenSim.Framework.Console;
using OpenSim.Framework.Statistics;
namespace OpenSim.Framework.Servers
{
/// <summary>
/// Common base for the main OpenSimServers (user, grid, inventory, region, etc)
/// </summary>
public abstract class BaseOpenSimServer
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected ConsoleBase m_console;
/// <summary>
/// Time at which this server was started
/// </summary>
protected DateTime m_startuptime;
/// <summary>
/// Server version information. Usually VersionInfo + information about svn revision, operating system, etc.
/// </summary>
protected string m_version;
protected BaseHttpServer m_httpServer;
public BaseHttpServer HttpServer
{
get { return m_httpServer; }
}
/// <summary>
/// Holds the non-viewer statistics collection object for this service/server
/// </summary>
protected IStatsCollector m_stats;
public BaseOpenSimServer()
{
m_startuptime = DateTime.Now;
m_version = VersionInfo.Version;
}
/// <summary>
/// Performs initialisation of the scene, such as loading configuration from disk.
/// </summary>
public virtual void Startup()
{
m_log.Info("[STARTUP]: Beginning startup processing");
EnhanceVersionInformation();
m_log.Info("[STARTUP]: Version " + m_version + "\n");
}
/// <summary>
/// Should be overriden and referenced by descendents if they need to perform extra shutdown processing
/// </summary>
public virtual void Shutdown()
{
m_log.Info("[SHUTDOWN]: Shutdown processing on main thread complete. Exiting...");
Environment.Exit(0);
}
/// <summary>
/// Runs commands issued by the server console from the operator
/// </summary>
/// <param name="command">The first argument of the parameter (the command)</param>
/// <param name="cmdparams">Additional arguments passed to the command</param>
public virtual void RunCmd(string command, string[] cmdparams)
{
switch (command)
{
case "help":
Notice("quit - equivalent to shutdown.");
if (m_stats != null)
Notice("show stats - statistical information for this server");
Notice("show uptime - show server startup and uptime.");
Notice("shutdown - shutdown the server.\n");
break;
case "show":
if (cmdparams.Length > 0)
{
Show(cmdparams[0]);
}
break;
case "quit":
case "shutdown":
Shutdown();
break;
}
}
/// <summary>
/// Outputs to the console information about the region
/// </summary>
/// <param name="ShowWhat">What information to display (valid arguments are "uptime", "users")</param>
public virtual void Show(string ShowWhat)
{
switch (ShowWhat)
{
case "stats":
if (m_stats != null)
{
Notice(m_stats.Report());
}
break;
case "uptime":
Notice("Server has been running since " + m_startuptime.DayOfWeek + ", " + m_startuptime.ToString());
Notice("That is an elapsed time of " + (DateTime.Now - m_startuptime).ToString());
break;
case "version":
m_console.Notice("This is " + m_version);
break;
}
}
/// <summary>
/// Console output is only possible if a console has been established.
/// That is something that cannot be determined within this class. So
/// all attempts to use the console MUST be verified.
/// </summary>
private void Notice(string msg)
{
if (m_console != null)
{
m_console.Notice(msg);
}
}
/// <summary>
/// Enhance the version string with extra information if it's available.
/// </summary>
protected void EnhanceVersionInformation()
{
string buildVersion = string.Empty;
// Add subversion revision information if available
// FIXME: Making an assumption about the directory we're currently in - we do this all over the place
// elsewhere as well
string svnFileName = "../.svn/entries";
string inputLine;
int strcmp;
if (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();
}
if (!string.IsNullOrEmpty(buildVersion))
{
m_version += ", SVN build r" + buildVersion;
}
else
{
m_version += ", SVN build revision not available";
}
// Add operating system information if available
string OSString = "";
if (System.Environment.OSVersion.Platform != PlatformID.Unix)
{
OSString = System.Environment.OSVersion.ToString();
}
else
{
OSString = Util.ReadEtcIssue();
}
if (OSString.Length > 45)
{
OSString = OSString.Substring(0, 45);
}
m_version += ", OS " + OSString;
}
}
}
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