// Locked by caller
public static bool GetInstance(out IFileWatcher watcher, bool gamin)
{
if (failed == true)
{
watcher = null;
return(false);
}
if (instance != null)
{
watcher = instance;
return(true);
}
use_gamin = gamin;
watches = Hashtable.Synchronized(new Hashtable());
requests = Hashtable.Synchronized(new Hashtable());
if (FAMOpen(out conn) == -1)
{
failed = true;
watcher = null;
return(false);
}
instance = new FAMWatcher();
watcher = instance;
return(true);
}
public void StartDispatching(FileSystemWatcher fsw)
{
FAMData famdata;
lock (this)
{
if (FAMWatcher.thread == null)
{
FAMWatcher.thread = new Thread(new ThreadStart(this.Monitor));
FAMWatcher.thread.IsBackground = true;
FAMWatcher.thread.Start();
}
famdata = (FAMData)FAMWatcher.watches[fsw];
}
if (famdata == null)
{
famdata = new FAMData();
famdata.FSW = fsw;
famdata.Directory = fsw.FullPath;
famdata.FileMask = fsw.MangledFilter;
famdata.IncludeSubdirs = fsw.IncludeSubdirectories;
if (famdata.IncludeSubdirs)
{
famdata.SubDirs = new Hashtable();
}
famdata.Enabled = true;
FAMWatcher.StartMonitoringDirectory(famdata, false);
lock (this)
{
FAMWatcher.watches[fsw] = famdata;
FAMWatcher.requests[famdata.Request.ReqNum] = famdata;
FAMWatcher.stop = false;
}
}
}
private static void StartMonitoringDirectory(FAMData data, bool justcreated)
{
FAMRequest request;
if (FAMWatcher.FAMMonitorDirectory(ref FAMWatcher.conn, data.Directory, out request, IntPtr.Zero) == -1)
{
throw new System.ComponentModel.Win32Exception();
}
FileSystemWatcher fsw = data.FSW;
data.Request = request;
if (data.IncludeSubdirs)
{
foreach (string text in Directory.GetDirectories(data.Directory))
{
FAMData famdata = new FAMData();
famdata.FSW = data.FSW;
famdata.Directory = text;
famdata.FileMask = data.FSW.MangledFilter;
famdata.IncludeSubdirs = true;
famdata.SubDirs = new Hashtable();
famdata.Enabled = true;
if (justcreated)
{
FileSystemWatcher obj = fsw;
lock (obj)
{
RenamedEventArgs renamedEventArgs = null;
fsw.DispatchEvents(FileAction.Added, text, ref renamedEventArgs);
if (fsw.Waiting)
{
fsw.Waiting = false;
System.Threading.Monitor.PulseAll(fsw);
}
}
}
FAMWatcher.StartMonitoringDirectory(famdata, justcreated);
data.SubDirs[text] = famdata;
FAMWatcher.requests[famdata.Request.ReqNum] = famdata;
}
}
if (justcreated)
{
foreach (string filename in Directory.GetFiles(data.Directory))
{
FileSystemWatcher obj2 = fsw;
lock (obj2)
{
RenamedEventArgs renamedEventArgs2 = null;
fsw.DispatchEvents(FileAction.Added, filename, ref renamedEventArgs2);
fsw.DispatchEvents(FileAction.Modified, filename, ref renamedEventArgs2);
if (fsw.Waiting)
{
fsw.Waiting = false;
System.Threading.Monitor.PulseAll(fsw);
}
}
}
}
}
private static void StopMonitoringDirectory(FAMData data)
{
if (FAMWatcher.FAMCancelMonitor(ref FAMWatcher.conn, ref data.Request) == -1)
{
throw new System.ComponentModel.Win32Exception();
}
}
public void StopDispatching(FileSystemWatcher fsw)
{
lock (this)
{
FAMData famdata = (FAMData)FAMWatcher.watches[fsw];
if (famdata != null)
{
FAMWatcher.StopMonitoringDirectory(famdata);
FAMWatcher.watches.Remove(fsw);
FAMWatcher.requests.Remove(famdata.Request.ReqNum);
if (FAMWatcher.watches.Count == 0)
{
FAMWatcher.stop = true;
}
if (famdata.IncludeSubdirs)
{
foreach (object obj in famdata.SubDirs.Values)
{
FAMData famdata2 = (FAMData)obj;
FAMWatcher.StopMonitoringDirectory(famdata2);
FAMWatcher.requests.Remove(famdata2.Request.ReqNum);
}
}
}
}
}
private static int FAMPending(ref FAMConnection fc)
{
if (FAMWatcher.use_gamin)
{
return(FAMWatcher.gamin_Pending(ref fc));
}
return(FAMWatcher.fam_Pending(ref fc));
}
private static int FAMCancelMonitor(ref FAMConnection fc, ref FAMRequest fr)
{
if (FAMWatcher.use_gamin)
{
return(FAMWatcher.gamin_CancelMonitor(ref fc, ref fr));
}
return(FAMWatcher.fam_CancelMonitor(ref fc, ref fr));
}
private static int FAMMonitorDirectory(ref FAMConnection fc, string filename, out FAMRequest fr, IntPtr user_data)
{
if (FAMWatcher.use_gamin)
{
return(FAMWatcher.gamin_MonitorDirectory(ref fc, filename, out fr, user_data));
}
return(FAMWatcher.fam_MonitorDirectory(ref fc, filename, out fr, user_data));
}
private static int FAMClose(ref FAMConnection fc)
{
if (FAMWatcher.use_gamin)
{
return(FAMWatcher.gamin_Close(ref fc));
}
return(FAMWatcher.fam_Close(ref fc));
}
private static int FAMOpen(out FAMConnection fc)
{
if (FAMWatcher.use_gamin)
{
return(FAMWatcher.gamin_Open(out fc));
}
return(FAMWatcher.fam_Open(out fc));
}
void InitWatcher()
{
lock (lockobj)
{
if (watcher != null)
{
return;
}
string managed = Environment.GetEnvironmentVariable("MONO_MANAGED_WATCHER");
int mode = 0;
if (managed == null)
{
mode = InternalSupportsFSW();
}
bool ok = false;
switch (mode)
{
case 1: // windows
ok = DefaultWatcher.GetInstance(out watcher);
//ok = WindowsWatcher.GetInstance (out watcher);
break;
case 2: // libfam
ok = FAMWatcher.GetInstance(out watcher, false);
break;
case 3: // kevent
ok = KeventWatcher.GetInstance(out watcher);
break;
case 4: // libgamin
ok = FAMWatcher.GetInstance(out watcher, true);
break;
case 5: // inotify
ok = InotifyWatcher.GetInstance(out watcher, true);
break;
}
if (mode == 0 || !ok)
{
if (String.Compare(managed, "disabled", true) == 0)
{
NullFileWatcher.GetInstance(out watcher);
}
else
{
DefaultWatcher.GetInstance(out watcher);
}
}
ShowWatcherInfo();
}
}
private void InitWatcher()
{
object obj = FileSystemWatcher.lockobj;
lock (obj)
{
if (FileSystemWatcher.watcher == null)
{
string environmentVariable = Environment.GetEnvironmentVariable("MONO_MANAGED_WATCHER");
int num = 0;
if (environmentVariable == null)
{
num = FileSystemWatcher.InternalSupportsFSW();
}
bool flag = false;
switch (num)
{
case 1:
flag = DefaultWatcher.GetInstance(out FileSystemWatcher.watcher);
break;
case 2:
flag = FAMWatcher.GetInstance(out FileSystemWatcher.watcher, false);
break;
case 3:
flag = KeventWatcher.GetInstance(out FileSystemWatcher.watcher);
break;
case 4:
flag = FAMWatcher.GetInstance(out FileSystemWatcher.watcher, true);
break;
case 5:
flag = InotifyWatcher.GetInstance(out FileSystemWatcher.watcher, true);
break;
}
if (num == 0 || !flag)
{
if (string.Compare(environmentVariable, "disabled", true) == 0)
{
NullFileWatcher.GetInstance(out FileSystemWatcher.watcher);
}
else
{
DefaultWatcher.GetInstance(out FileSystemWatcher.watcher);
}
}
}
}
}
private void Monitor()
{
while (!FAMWatcher.stop)
{
int num;
lock (this)
{
num = FAMWatcher.FAMPending(ref FAMWatcher.conn);
}
if (num > 0)
{
this.ProcessEvents();
}
else
{
Thread.Sleep(500);
}
}
lock (this)
{
FAMWatcher.thread = null;
FAMWatcher.stop = false;
}
}
private void ProcessEvents()
{
ArrayList arrayList = null;
lock (this)
{
string text;
int num;
int num2;
while (FAMWatcher.InternalFAMNextEvent(ref FAMWatcher.conn, out text, out num, out num2) == 1)
{
bool flag;
switch (num)
{
case 1:
case 2:
case 5:
flag = FAMWatcher.requests.ContainsKey(num2);
break;
case 3:
case 4:
case 6:
case 7:
case 8:
case 9:
goto IL_75;
default:
goto IL_75;
}
IL_7D:
if (flag)
{
FAMData famdata = (FAMData)FAMWatcher.requests[num2];
if (famdata.Enabled)
{
FileSystemWatcher fsw = famdata.FSW;
NotifyFilters notifyFilter = fsw.NotifyFilter;
RenamedEventArgs renamedEventArgs = null;
FileAction fileAction = (FileAction)0;
if (num == 1 && (notifyFilter & (NotifyFilters.Attributes | NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.Size)) != (NotifyFilters)0)
{
fileAction = FileAction.Modified;
}
else if (num == 2)
{
fileAction = FileAction.Removed;
}
else if (num == 5)
{
fileAction = FileAction.Added;
}
if (fileAction != (FileAction)0)
{
if (fsw.IncludeSubdirectories)
{
string fullPath = fsw.FullPath;
string text2 = famdata.Directory;
if (text2 != fullPath)
{
int length = fullPath.Length;
int num3 = 1;
if (length > 1 && fullPath[length - 1] == Path.DirectorySeparatorChar)
{
num3 = 0;
}
string path = text2.Substring(fullPath.Length + num3);
text2 = Path.Combine(text2, text);
text = Path.Combine(path, text);
}
else
{
text2 = Path.Combine(fullPath, text);
}
if (fileAction == FileAction.Added && Directory.Exists(text2))
{
if (arrayList == null)
{
arrayList = new ArrayList(4);
}
arrayList.Add(new FAMData
{
FSW = fsw,
Directory = text2,
FileMask = fsw.MangledFilter,
IncludeSubdirs = true,
SubDirs = new Hashtable(),
Enabled = true
});
arrayList.Add(famdata);
}
}
if (!(text != famdata.Directory) || fsw.Pattern.IsMatch(text))
{
FileSystemWatcher obj = fsw;
lock (obj)
{
fsw.DispatchEvents(fileAction, text, ref renamedEventArgs);
if (fsw.Waiting)
{
fsw.Waiting = false;
System.Threading.Monitor.PulseAll(fsw);
}
}
}
}
}
}
if (FAMWatcher.FAMPending(ref FAMWatcher.conn) <= 0)
{
goto IL_28F;
}
continue;
IL_75:
flag = false;
goto IL_7D;
}
return;
}
IL_28F:
if (arrayList != null)
{
int count = arrayList.Count;
for (int i = 0; i < count; i += 2)
{
FAMData famdata2 = (FAMData)arrayList[i];
FAMData famdata3 = (FAMData)arrayList[i + 1];
FAMWatcher.StartMonitoringDirectory(famdata2, true);
FAMWatcher.requests[famdata2.Request.ReqNum] = famdata2;
FAMData obj2 = famdata3;
lock (obj2)
{
famdata3.SubDirs[famdata2.Directory] = famdata2;
}
}
arrayList.Clear();
}
}
void InitWatcher()
{
lock (lockobj) {
if (watcher_handle != null)
{
return;
}
string managed = Environment.GetEnvironmentVariable("MONO_MANAGED_WATCHER");
int mode = 0;
if (managed == null)
{
mode = InternalSupportsFSW();
}
bool ok = false;
switch (mode)
{
case 1: // windows
ok = DefaultWatcher.GetInstance(out watcher);
watcher_handle = this;
break;
case 2: // libfam
ok = FAMWatcher.GetInstance(out watcher, false);
watcher_handle = this;
break;
case 3: // kevent
ok = KeventWatcher.GetInstance(out watcher);
watcher_handle = this;
break;
case 4: // libgamin
ok = FAMWatcher.GetInstance(out watcher, true);
watcher_handle = this;
break;
case 6: // CoreFX
ok = CoreFXFileSystemWatcherProxy.GetInstance(out watcher);
watcher_handle = (watcher as CoreFXFileSystemWatcherProxy).NewWatcher(this);
break;
}
if (mode == 0 || !ok)
{
if (String.Compare(managed, "disabled", true) == 0)
{
NullFileWatcher.GetInstance(out watcher);
}
else
{
DefaultWatcher.GetInstance(out watcher);
watcher_handle = this;
}
}
this.inited = true;
ShowWatcherInfo();
}
}
// Locked by caller
public static bool GetInstance (out IFileWatcher watcher, bool gamin)
{
if (failed == true) {
watcher = null;
return false;
}
if (instance != null) {
watcher = instance;
return true;
}
use_gamin = gamin;
watches = Hashtable.Synchronized (new Hashtable ());
requests = Hashtable.Synchronized (new Hashtable ());
if (FAMOpen (out conn) == -1) {
failed = true;
watcher = null;
return false;
}
instance = new FAMWatcher ();
watcher = instance;
return true;
}
