public static FileSystemMonitor GetInstance()
{
if (crawler == null)
{
crawler = new FileSystemMonitor(); GlobalData.RunMonitor = true;
}
return(crawler);
}
private void InitializeFileSystemMonitor()
{
FileSystemMonitor fsw = FileSystemMonitor.GetInstance();
foreach (string drive in Environment.GetLogicalDrives())
{
fsw.AddMonitor(drive);
}
fsw.StartAllMonitors();
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
if (!TrayClose) //Dont Close the application if it not exited from system tray
{
e.Cancel = true;
this.Visible = false; //And perhaps hide the application to system tray
}
else // if app is closed from system tray ...... do the cleanup stuff
{
GlobalData.RunCrawler = false; //Stop the crawler if it is running....
GlobalData.RunScheduler = false; //Stop the scheduler if it is running....
if (!GlobalData.IndexingCompleted && GlobalData.RunMonitor)
{
FileSystemMonitor.GetInstance().StopAllMonitors(); // Stop all monitors
}
Settings.SaveSettings(); //Save settings of the application at its exit
UnregisterHotKey(this.Handle, 1); //Unregister HotKey on application exit
}
}
internal void StartCrawler()
{
// install the scheduler in a separate thread
new Thread(delegate()
{
#if Log
Console.WriteLine("Initiating Resource Scheduler in file system crawler");
#endif
Scheduler();
}).Start();
//Start the crawler in the current thread
#if Log
Console.WriteLine("Initiating file system Crawler");
#endif
long start = DateTime.Now.Ticks;
foreach (string drive in GlobalData.Drives)
{
DriveInfo di = new DriveInfo(drive);
if (di.IsReady && di.DriveType == DriveType.Fixed && GlobalData.RunCrawler)
{
//check whether the index directory is clean or not. if not delete all files in it
if (Directory.Exists(GlobalData.IndexRootPath + drive[0]))
{
Directory.Delete(GlobalData.IndexRootPath + drive[0], true);
}
Directory.CreateDirectory(GlobalData.IndexRootPath + drive[0]);
//Initialize the indexer
GlobalData.Indexer = new EDSIndexer(GlobalData.IndexRootPath + drive[0]);
//Start File System Crawler
Crawler(drive);
//Optimize the indexes
GlobalData.Indexer.Optimize();
GlobalData.Indexer.Close();
}
}
#if Log
Console.WriteLine("Completed File System Crawling");
#endif
if (GlobalData.RunCrawler) //only when the crawler finished its work do the following stuff.....otherwise if crawler has been terminated by closing the application donot do the following stuff
{
GlobalData.IndexingCompleted = true;
long end = DateTime.Now.Ticks;
DateTime dt = new DateTime(end - start);
GlobalData.lIndexingStatus.Text = "Indexing: Completed 100% in " + (dt.Hour != 0 ? dt.Hour + "h:" : "") + (dt.Minute != 0 ? dt.Minute + "m:" : "") + (dt.Second != 0 ? dt.Second + "s: " : "") + (dt.Millisecond != 0 ? dt.Millisecond + "ms" : "");
//update the statusbar indexed documents count
int docCount = 0;
foreach (string dir in Directory.GetDirectories(GlobalData.IndexRootPath))
{
IndexReader ir = IndexReader.Open(dir);
docCount += ir.NumDocs();
ir.Close();
}
if (GlobalData.MainStatusStrip != null && GlobalData.MainStatusStrip.Items.Count != 0)
{
GlobalData.MainStatusStrip.Items["tsslDocCount"].Text = docCount + " documents indexed ";
}
//Finally start file system monitor for further file system updates
if (GlobalData.RunMonitor)
{
#if Log
Console.WriteLine("Starting File System Monitor");
#endif
FileSystemMonitor fsw = FileSystemMonitor.GetInstance();
foreach (string drive in Environment.GetLogicalDrives())
{
fsw.AddMonitor(drive);
}
fsw.StartAllMonitors();
}
}
//after completion of crawling stop the scheduler by setting RunScheduler => false;
GlobalData.RunScheduler = false;
}
public static FileSystemMonitor GetInstance()
{
if (crawler == null) { crawler = new FileSystemMonitor(); GlobalData.RunMonitor = true; }
return crawler;
}