//--- constructor -----------------------
public Archive( ActionDelegate action, Ctrl ctrl, bool debug )
{
this.action = action;
this.ctrl = ctrl;
this.debug = debug;
this.start = DateTime.Now;
this.log = new StreamWriter( PathCombine( this.ctrl.Path, DateFolderSecond( start ) + ".log" ), false, Encoding.ASCII );
LogInfo( "---------------" );
LogInfo( Status( "Archive", this.ctrl.Path ) );
}
//--- constructor -----------------------
public FormEdit( Ctrl ctrl )
{
this.ctrl = ctrl;
InitializeComponent();
}
//--- method ----------------------------
public static Ctrl Import( string filename )
{
try
{
filename = System.IO.Path.GetFullPath( filename );
if( ! File.Exists( filename ) )
{
throw new FileNotFoundException( "Import control file", filename );
}
using( XmlReader r = XmlReader.Create( filename ) )
{
Ctrl c;
switch( r.IsStartElement() ? r.NamespaceURI : string.Empty )
{
case Ctrl.XmlNamespace:
{
c = (Ctrl)(new XmlSerializer( typeof(Ctrl) )).Deserialize( r );
c.Filename = filename;
c.version = Revision.current;
break;
}
case v1.Ctrl.XmlNamespace:
{
v1.Ctrl c1 = (v1.Ctrl)(new XmlSerializer( typeof(v1.Ctrl) )).Deserialize( r );
c = c1.Upgrade( filename );
c.version = Revision.v1;
break;
}
default:
{
c = new Ctrl();
c.Filename = filename;
c.version = Revision.current;
break;
}
}
return c;
}
}
catch( Exception ex )
{
ex.Data[ExFilename] = filename;
throw;
}
}
private void MenuNew_Click( object sender, EventArgs e )
{
try
{
string ext = System.IO.Path.GetExtension( Ctrl.ArchiveFilename );
SaveFileDialog f = new SaveFileDialog();
f.AddExtension = true;
f.CheckPathExists = true;
f.CreatePrompt = false;
f.DefaultExt = ext;
f.FileName = Ctrl.ArchiveFilename;
f.Filter = "control files (*" + ext + ")|*" + ext;
f.FilterIndex = 1;
f.InitialDirectory = System.Environment.GetFolderPath( System.Environment.SpecialFolder.MyDocuments );
f.OverwritePrompt = true;
f.RestoreDirectory = true;
f.Title = "Where should the new control file be saved?";
if( f.ShowDialog() == DialogResult.OK )
{
Ctrl ctrl = new Ctrl();
ctrl.Filename = Filename = f.FileName;
ctrl.Export();
}
}
catch( Exception ex )
{
Msg( ex );
}
}
//--- backup ----------------------------
public void Process( Operation operation, Ctrl ctrl, bool debug )
{
try
{
this.ctrl = ctrl;
this.debug = debug;
this.logging = new BlockingCollection<string>( Maximum_Items_In_Queue );
this.status = new BackupStatus();
this.cancel = new CancellationTokenSource();
pause.Set();
this.start = DateTime.Now;
this.queue = new BlockingCollection<UpdateRequest>( Maximum_Items_In_Queue );
this.current = null;
this.history = null;
this.log = new Thread( new ThreadStart( LogHandler ) );
this.log.Name = "Log";
this.log.Priority = ThreadPriority.BelowNormal;
this.log.Start();
switch( operation )
{
case Operation.Merge:
{
this.merge = new Thread( new ThreadStart( MergeHandler ) );
this.merge.Name = "Update";
this.merge.Priority = ThreadPriority.BelowNormal;
this.merge.Start();
break;
}
case Operation.Backup:
{
this.scan = new Thread( new ThreadStart( ScanHandler ) );
this.scan .Name = "Scan";
this.scan .Priority = ThreadPriority.BelowNormal;
this.scan .Start();
this.update = new Thread( new ThreadStart( UpdateHandler ) );
this.update.Name = "Update";
this.update.Priority = ThreadPriority.BelowNormal;
this.update.Start();
break;
}
}
}
catch( Exception ex )
{
Msg( "Process: {0}", Except.ToString( ex, debug ) );
}
}
string MergeMinHistoryFolder( string last, Ctrl.DateFolderLevel level )
{
CtrlArchive archive = ctrl.Archive;
if( (archive != null) && (last.Length >= (int)level) )
{
DateTime dt = Ctrl.ParseDateFolder( last, level );
switch( level )
{
case Ctrl.DateFolderLevel.Month : if( archive.Month > 0 ) { return Ctrl.DateFolder( dt.AddMonths ( 1 - archive.Month ), level ); } break;
case Ctrl.DateFolderLevel.Day : if( archive.Day > 0 ) { return Ctrl.DateFolder( dt.AddDays ( 1 - archive.Day ), level ); } break;
case Ctrl.DateFolderLevel.Hour : if( archive.Hour > 0 ) { return Ctrl.DateFolder( dt.AddHours ( 1 - archive.Hour ), level ); } break;
case Ctrl.DateFolderLevel.Minute : if( archive.Minute > 0 ) { return Ctrl.DateFolder( dt.AddMinutes ( 1 - archive.Minute ), level ); } break;
}
}
return null;
}
void Merge( Ctrl.DateFolderLevel level )
{
if( IsCancelRequested ) { throw new Exception( "Merge cancelled." ); }
Msg( "Level: {0}", level );
string[] a = ctrl.HistoryFolders();
if( a.Length > 0 )
{
string s = MergeMinHistoryFolder( a[a.Length - 1], level );
if( ! string.IsNullOrEmpty( s ) )
{
//..merge directories
int i = a.Length;
//..skip all folders being kept
do
{
--i;
}
while( (i > 0) && (string.Compare( a[i], s, true ) >= 0 ) );
//..scan remaining folders for potential merges and renames
int z;
switch( level )
{
case Ctrl.DateFolderLevel.Month : z = (int)Ctrl.DateFolderLevel.Year ; break;
case Ctrl.DateFolderLevel.Day : z = (int)Ctrl.DateFolderLevel.Month ; break;
case Ctrl.DateFolderLevel.Hour : z = (int)Ctrl.DateFolderLevel.Day ; break;
case Ctrl.DateFolderLevel.Minute: z = (int)Ctrl.DateFolderLevel.Hour ; break;
default: z = (int)Ctrl.DateFolderLevel.Second; break;
}
while( i >= 0 )
{
int j = i;
bool b = true;
while( (--i >= 0) && (string.Compare( a[i], 0, a[j], 0, z, true ) == 0) )
{
if( b ) { b = false; Log( " {0} - {1}", level, a[j] ); }
Log( " ..remove/merge {0}", a[i] );
Merge( a[i], a[j] );
}
//rename any folder where the name is longer than it needs for uniquness
if( a[j].Length > z )
{
if( b ) { b = false; Log( " {0} - {1}", level, a[j] ); }
string t = a[j].Substring( 0, z );
Log( " ..rename to {0}", t );
DirectoryMove( ctrl.HistoryFullPath( a[j] ), ctrl.HistoryFullPath( t ) );
}
}
}
}
}