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using System;
using System.Collections.Generic;
using Nini.Config;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Environment.Modules.ExportSerialiser;
using PumaCode.SvnDotNet.SubversionSharp;
using PumaCode.SvnDotNet.AprSharp;
using Slash=System.IO.Path;
namespace OpenSim.Region.Modules.SvnSerialiser
{
public class SvnBackupModule : IRegionModule
{
private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private SvnClient m_svnClient;
private bool m_enabled = false;
private bool m_installBackupOnLoad = false;
private string m_svnurl = "svn://insert.your.svn/here/";
private string m_svnuser = "username";
private string m_svnpass = "password";
private string m_svndir = "SVNmodule\\repo";
private IRegionSerialiser m_serialiser;
private List<Scene> m_scenes = new List<Scene>();
#region SvnModule Core
public void SaveRegion(Scene scene)
{
m_log.Info("[SVNBACKUP]: Saving a region to SVN with name " + scene.RegionInfo.RegionName);
List<string> filenames = m_serialiser.SerialiseRegion(scene, m_svndir + Slash.DirectorySeparatorChar + scene.RegionInfo.RegionID.ToString() + "\\");
try
{
m_svnClient.Add3(m_svndir + Slash.DirectorySeparatorChar + scene.RegionInfo.RegionID.ToString(), true, false, false);
}
catch (SvnException) { }
List<string> svnfilenames = new List<string>();
foreach (string filename in filenames)
svnfilenames.Add(m_svndir + Slash.DirectorySeparatorChar + scene.RegionInfo.RegionID.ToString() + Slash.DirectorySeparatorChar + filename);
svnfilenames.Add(m_svndir + Slash.DirectorySeparatorChar + scene.RegionInfo.RegionID.ToString());
m_svnClient.Commit3(svnfilenames, true, false);
m_log.Info("[SVNBACKUP]: Region backup successful (" + scene.RegionInfo.RegionName + ").");
}
public void LoadRegion(Scene scene)
{
scene.LoadPrimsFromXml2(m_svndir + Slash.DirectorySeparatorChar + scene.RegionInfo.RegionID.ToString() +
Slash.DirectorySeparatorChar + "objects.xml");
scene.RequestModuleInterface<OpenSim.Region.Environment.Modules.Terrain.ITerrainModule>().LoadFromFile(m_svndir + Slash.DirectorySeparatorChar + scene.RegionInfo.RegionID.ToString() +
Slash.DirectorySeparatorChar + "heightmap.r32");
m_log.Info("[SVNBACKUP]: Region load successful (" + scene.RegionInfo.RegionName + ").");
}
private void CheckoutSvn()
{
m_svnClient.Checkout2(m_svnurl, m_svndir, Svn.Revision.Head, Svn.Revision.Head, true, false);
}
private void CheckoutSvn(SvnRevision revision)
{
m_svnClient.Checkout2(m_svnurl, m_svndir, revision, revision, true, false);
}
private void CheckoutSvnPartial(string subdir)
{
if (!System.IO.Directory.Exists(m_svndir + Slash.DirectorySeparatorChar + subdir))
System.IO.Directory.CreateDirectory(m_svndir + Slash.DirectorySeparatorChar + subdir);
m_svnClient.Checkout2(m_svnurl + "/" + subdir, m_svndir, Svn.Revision.Head, Svn.Revision.Head, true, false);
}
private void CheckoutSvnPartial(string subdir, SvnRevision revision)
{
if (!System.IO.Directory.Exists(m_svndir + Slash.DirectorySeparatorChar + subdir))
System.IO.Directory.CreateDirectory(m_svndir + Slash.DirectorySeparatorChar + subdir);
m_svnClient.Checkout2(m_svnurl + "/" + subdir, m_svndir, revision, revision, true, false);
}
#endregion
#region SvnDotNet Callbacks
private SvnError SimpleAuth(out SvnAuthCredSimple svnCredentials, IntPtr baton,
AprString realm, AprString username, bool maySave, AprPool pool)
{
svnCredentials = SvnAuthCredSimple.Alloc(pool);
svnCredentials.Username = new AprString(m_svnuser, pool);
svnCredentials.Password = new AprString(m_svnpass, pool);
svnCredentials.MaySave = false;
return SvnError.NoError;
}
private SvnError GetCommitLogCallback(out AprString logMessage, out SvnPath tmpFile, AprArray commitItems, IntPtr baton, AprPool pool)
{
if (!commitItems.IsNull)
{
foreach (SvnClientCommitItem2 item in commitItems)
{
m_log.Debug("[SVNBACKUP]: Updated " + item.Path.ToString() + " (" + item.Kind.ToString() + ") " + item.Revision.ToString());
m_log.Debug("[SVNBACKUP]: " + item.Url.ToString() + " -> " + item.CopyFromUrl.ToString());
}
}
m_log.Debug("[SVNBACKUP]: Appending log message.");
logMessage = new AprString("Automated Region Backup", pool);
tmpFile = new SvnPath(pool);
return (SvnError.NoError);
}
#endregion
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource source)
{
try
{
if (!source.Configs["SVN"].GetBoolean("Enabled", false))
return;
m_enabled = true;
m_svndir = source.Configs["SVN"].GetString("Directory", m_svndir);
m_svnurl = source.Configs["SVN"].GetString("URL", m_svnurl);
m_svnuser = source.Configs["SVN"].GetString("Username", m_svnuser);
m_svnpass = source.Configs["SVN"].GetString("Password", m_svnpass);
m_installBackupOnLoad = source.Configs["SVN"].GetBoolean("ImportOnStartup", m_installBackupOnLoad);
} catch(Exception) { }
lock (m_scenes)
{
m_scenes.Add(scene);
}
scene.EventManager.OnPluginConsole += EventManager_OnPluginConsole;
}
void EventManager_OnPluginConsole(string[] args)
{
if (args[0] == "svn" && args[1] == "save")
{
foreach (Scene scene in m_scenes)
{
SaveRegion(scene);
}
}
if (args[0] == "svn" && args[1] == "load")
{
CheckoutSvn();
foreach (Scene scene in m_scenes)
{
LoadRegion(scene);
}
}
}
public void PostInitialise()
{
if (m_enabled == false)
return;
m_log.Info("[SVNBACKUP]: Connecting to SVN server " + m_svnurl + " ...");
SetupSvnProvider();
m_log.Info("[SVNBACKUP]: Creating repository in " + m_svndir + ".");
CreateSvnDirectory();
CheckoutSvn();
SetupSerialiser();
if (m_installBackupOnLoad)
{
m_log.Info("[SVNBACKUP]: Importing latest SVN revision to scenes...");
foreach (Scene scene in m_scenes)
{
LoadRegion(scene);
}
}
}
private void SetupSerialiser()
{
if (m_scenes.Count > 0)
m_serialiser = m_scenes[0].RequestModuleInterface<IRegionSerialiser>();
}
private void SetupSvnProvider()
{
m_svnClient = new SvnClient();
m_svnClient.AddUsernameProvider();
m_svnClient.AddPromptProvider(new SvnAuthProviderObject.SimplePrompt(SimpleAuth), IntPtr.Zero, 2);
m_svnClient.OpenAuth();
m_svnClient.Context.LogMsgFunc = new SvnDelegate(new SvnClient.GetCommitLog(GetCommitLogCallback));
}
private void CreateSvnDirectory()
{
if (!System.IO.Directory.Exists(m_svndir))
System.IO.Directory.CreateDirectory(m_svndir);
}
public void Close()
{
}
public string Name
{
get { return "SvnBackupModule"; }
}
public bool IsSharedModule
{
get { return true; }
}
#endregion
}
}
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