private bool UpdateDataAndDispatch(DefaultWatcherData data, bool dispatch)
{
if (!data.Enabled)
{
return(data.DisabledTime != DateTime.MaxValue && (DateTime.Now - data.DisabledTime).TotalSeconds > 5.0);
}
this.DoFiles(data, data.Directory, dispatch);
return(false);
}
private void Monitor()
{
int num = 0;
for (;;)
{
Thread.Sleep(750);
Hashtable obj = DefaultWatcher.watches;
Hashtable hashtable;
lock (obj)
{
if (DefaultWatcher.watches.Count == 0)
{
if (++num == 20)
{
break;
}
continue;
}
else
{
hashtable = (Hashtable)DefaultWatcher.watches.Clone();
}
}
if (hashtable.Count != 0)
{
num = 0;
foreach (object obj2 in hashtable.Values)
{
DefaultWatcherData defaultWatcherData = (DefaultWatcherData)obj2;
bool flag = this.UpdateDataAndDispatch(defaultWatcherData, true);
if (flag)
{
Hashtable obj3 = DefaultWatcher.watches;
lock (obj3)
{
DefaultWatcher.watches.Remove(defaultWatcherData.FSW);
}
}
}
}
}
lock (this)
{
DefaultWatcher.thread = null;
}
}
public void StartDispatching(FileSystemWatcher fsw)
{
DefaultWatcherData data;
lock (this)
{
if (watches == null)
{
watches = new Hashtable();
}
if (thread == null)
{
thread = new Thread(new ThreadStart(Monitor));
thread.IsBackground = true;
thread.Start();
}
}
lock (watches)
{
data = (DefaultWatcherData)watches [fsw];
if (data == null)
{
data = new DefaultWatcherData();
data.Files = new Hashtable();
watches [fsw] = data;
}
data.FSW = fsw;
data.Directory = fsw.FullPath;
data.NoWildcards = !fsw.Pattern.HasWildcard;
if (data.NoWildcards)
{
data.FileMask = Path.Combine(data.Directory, fsw.MangledFilter);
}
else
{
data.FileMask = fsw.MangledFilter;
}
data.IncludeSubdirs = fsw.IncludeSubdirectories;
data.Enabled = true;
data.DisabledTime = DateTime.MaxValue;
UpdateDataAndDispatch(data, false);
}
}
public void StopDispatching(FileSystemWatcher fsw)
{
lock (this)
{
if (watches == null)
{
return;
}
}
lock (watches)
{
DefaultWatcherData defaultWatcherData = (DefaultWatcherData)watches[fsw];
if (defaultWatcherData != null)
{
defaultWatcherData.Enabled = false;
defaultWatcherData.DisabledTime = DateTime.Now;
}
}
}
void DoFiles(DefaultWatcherData data, string directory, bool dispatch)
{
bool direxists = Directory.Exists(directory);
if (direxists && data.IncludeSubdirs)
{
foreach (string d in Directory.GetDirectories(directory))
{
DoFiles(data, d, dispatch);
}
}
string [] files = null;
if (!direxists)
{
files = NoStringsArray;
}
else if (!data.NoWildcards)
{
files = Directory.GetFileSystemEntries(directory, data.FileMask);
}
else
{
// The pattern does not have wildcards
if (File.Exists(data.FileMask) || Directory.Exists(data.FileMask))
{
files = new string [] { data.FileMask }
}
;
else
{
files = NoStringsArray;
}
}
lock (data.FilesLock) {
if (data.Enabled)
{
IterateAndModifyFilesData(data, directory, dispatch, files);
}
}
}
void IterateAndModifyFilesData(DefaultWatcherData data, string directory, bool dispatch, string[] files)
{
/* Set all as untested */
foreach (var entry in data.Files)
{
FileData fd = entry.Value;
if (fd.Directory == directory)
{
fd.NotExists = true;
}
}
/* New files */
foreach (string filename in files)
{
if (!data.Files.TryGetValue(filename, out var fd))
{
try {
data.Files.Add(filename, CreateFileData(directory, filename));
} catch {
// The file might have been removed in the meanwhile
data.Files.Remove(filename);
continue;
}
if (dispatch)
{
DispatchEvents(data.FSW, FileAction.Added, filename);
}
}
else if (fd.Directory == directory)
{
fd.NotExists = false;
}
}
if (!dispatch) // We only initialize the file list
{
return;
}
/* Removed files */
List <string> removed = null;
foreach (var entry in data.Files)
{
var filename = entry.Key;
FileData fd = entry.Value;
if (fd.NotExists)
{
if (removed == null)
{
removed = new List <string> ();
}
removed.Add(filename);
DispatchEvents(data.FSW, FileAction.Removed, filename);
}
}
if (removed != null)
{
foreach (string filename in removed)
{
data.Files.Remove(filename);
}
removed = null;
}
/* Changed files */
foreach (var entry in data.Files)
{
var filename = entry.Key;
FileData fd = entry.Value;
DateTime creation, write;
try {
creation = File.GetCreationTime(filename);
write = File.GetLastWriteTime(filename);
} catch {
/* Deleted */
if (removed == null)
{
removed = new List <string> ();
}
removed.Add(filename);
DispatchEvents(data.FSW, FileAction.Removed, filename);
continue;
}
if (creation != fd.CreationTime || write != fd.LastWriteTime)
{
fd.CreationTime = creation;
fd.LastWriteTime = write;
DispatchEvents(data.FSW, FileAction.Modified, filename);
}
}
if (removed != null)
{
foreach (string filename in removed)
{
data.Files.Remove(filename);
}
}
}
void DoFiles(DefaultWatcherData data, string directory, bool dispatch)
{
bool direxists = Directory.Exists(directory);
if (direxists && data.IncludeSubdirs)
{
foreach (string d in Directory.GetDirectories(directory))
{
DoFiles(data, d, dispatch);
}
}
string [] files = null;
if (!direxists)
{
files = NoStringsArray;
}
else if (!data.NoWildcards)
{
files = Directory.GetFileSystemEntries(directory, data.FileMask);
}
else
{
// The pattern does not have wildcards
if (File.Exists(data.FileMask) || Directory.Exists(data.FileMask))
{
files = new string [] { data.FileMask }
}
;
else
{
files = NoStringsArray;
}
}
/* Set all as untested */
foreach (string filename in data.Files.Keys)
{
FileData fd = (FileData)data.Files [filename];
if (fd.Directory == directory)
{
fd.NotExists = true;
}
}
/* New files */
foreach (string filename in files)
{
FileData fd = (FileData)data.Files [filename];
if (fd == null)
{
try {
data.Files.Add(filename, CreateFileData(directory, filename));
} catch {
// The file might have been removed in the meanwhile
data.Files.Remove(filename);
continue;
}
if (dispatch)
{
DispatchEvents(data.FSW, FileAction.Added, filename);
}
}
else if (fd.Directory == directory)
{
fd.NotExists = false;
}
}
if (!dispatch) // We only initialize the file list
{
return;
}
/* Removed files */
ArrayList removed = null;
foreach (string filename in data.Files.Keys)
{
FileData fd = (FileData)data.Files [filename];
if (fd.NotExists)
{
if (removed == null)
{
removed = new ArrayList();
}
removed.Add(filename);
DispatchEvents(data.FSW, FileAction.Removed, filename);
}
}
if (removed != null)
{
foreach (string filename in removed)
{
data.Files.Remove(filename);
}
removed = null;
}
/* Changed files */
foreach (string filename in data.Files.Keys)
{
FileData fd = (FileData)data.Files [filename];
DateTime creation, write;
try {
creation = File.GetCreationTime(filename);
write = File.GetLastWriteTime(filename);
} catch {
/* Deleted */
if (removed == null)
{
removed = new ArrayList();
}
removed.Add(filename);
DispatchEvents(data.FSW, FileAction.Removed, filename);
continue;
}
if (creation != fd.CreationTime || write != fd.LastWriteTime)
{
fd.CreationTime = creation;
fd.LastWriteTime = write;
DispatchEvents(data.FSW, FileAction.Modified, filename);
}
}
if (removed != null)
{
foreach (string filename in removed)
{
data.Files.Remove(filename);
}
}
}
public void StartDispatching (FileSystemWatcher fsw)
{
DefaultWatcherData data;
lock (this) {
if (watches == null)
watches = new Hashtable ();
if (thread == null) {
thread = new Thread (new ThreadStart (Monitor));
thread.IsBackground = true;
thread.Start ();
}
}
lock (watches) {
data = (DefaultWatcherData) watches [fsw];
if (data == null) {
data = new DefaultWatcherData ();
data.Files = new Hashtable ();
watches [fsw] = data;
}
data.FSW = fsw;
data.Directory = fsw.FullPath;
data.NoWildcards = !fsw.Pattern.HasWildcard;
if (data.NoWildcards)
data.FileMask = Path.Combine (data.Directory, fsw.MangledFilter);
else
data.FileMask = fsw.MangledFilter;
data.IncludeSubdirs = fsw.IncludeSubdirectories;
data.Enabled = true;
data.DisabledTime = DateTime.MaxValue;
UpdateDataAndDispatch (data, false);
}
}
void DoFiles (DefaultWatcherData data, string directory, bool dispatch)
{
bool direxists = Directory.Exists (directory);
if (direxists && data.IncludeSubdirs) {
foreach (string d in Directory.GetDirectories (directory))
DoFiles (data, d, dispatch);
}
string [] files = null;
if (!direxists) {
files = NoStringsArray;
} else if (!data.NoWildcards) {
files = Directory.GetFileSystemEntries (directory, data.FileMask);
} else {
// The pattern does not have wildcards
if (File.Exists (data.FileMask) || Directory.Exists (data.FileMask))
files = new string [] { data.FileMask };
else
files = NoStringsArray;
}
/* Set all as untested */
foreach (string filename in data.Files.Keys) {
FileData fd = (FileData) data.Files [filename];
if (fd.Directory == directory)
fd.NotExists = true;
}
/* New files */
foreach (string filename in files) {
FileData fd = (FileData) data.Files [filename];
if (fd == null) {
try {
data.Files.Add (filename, CreateFileData (directory, filename));
} catch {
// The file might have been removed in the meanwhile
data.Files.Remove (filename);
continue;
}
if (dispatch)
DispatchEvents (data.FSW, FileAction.Added, filename);
} else if (fd.Directory == directory) {
fd.NotExists = false;
}
}
if (!dispatch) // We only initialize the file list
return;
/* Removed files */
List<string> removed = null;
foreach (string filename in data.Files.Keys) {
FileData fd = (FileData) data.Files [filename];
if (fd.NotExists) {
if (removed == null)
removed = new List<string> ();
removed.Add (filename);
DispatchEvents (data.FSW, FileAction.Removed, filename);
}
}
if (removed != null) {
foreach (string filename in removed)
data.Files.Remove (filename);
removed = null;
}
/* Changed files */
foreach (string filename in data.Files.Keys) {
FileData fd = (FileData) data.Files [filename];
DateTime creation, write;
try {
creation = File.GetCreationTime (filename);
write = File.GetLastWriteTime (filename);
} catch {
/* Deleted */
if (removed == null)
removed = new List<string> ();
removed.Add (filename);
DispatchEvents (data.FSW, FileAction.Removed, filename);
continue;
}
if (creation != fd.CreationTime || write != fd.LastWriteTime) {
fd.CreationTime = creation;
fd.LastWriteTime = write;
DispatchEvents (data.FSW, FileAction.Modified, filename);
}
}
if (removed != null) {
foreach (string filename in removed)
data.Files.Remove (filename);
}
}
bool UpdateDataAndDispatch (DefaultWatcherData data, bool dispatch)
{
if (!data.Enabled) {
return (data.DisabledTime != DateTime.MaxValue &&
(DateTime.Now - data.DisabledTime).TotalSeconds > 5);
}
DoFiles (data, data.Directory, dispatch);
return false;
}
private void DoFiles(DefaultWatcherData data, string directory, bool dispatch)
{
bool flag = Directory.Exists(directory);
if (flag && data.IncludeSubdirs)
{
foreach (string directory2 in Directory.GetDirectories(directory))
{
this.DoFiles(data, directory2, dispatch);
}
}
string[] array = null;
if (!flag)
{
array = DefaultWatcher.NoStringsArray;
}
else if (!data.NoWildcards)
{
array = Directory.GetFileSystemEntries(directory, data.FileMask);
}
else if (File.Exists(data.FileMask) || Directory.Exists(data.FileMask))
{
array = new string[]
{
data.FileMask
};
}
else
{
array = DefaultWatcher.NoStringsArray;
}
foreach (object obj in data.Files.Keys)
{
string key = (string)obj;
FileData fileData = (FileData)data.Files[key];
if (fileData.Directory == directory)
{
fileData.NotExists = true;
}
}
foreach (string text in array)
{
FileData fileData2 = (FileData)data.Files[text];
if (fileData2 == null)
{
try
{
data.Files.Add(text, DefaultWatcher.CreateFileData(directory, text));
}
catch
{
data.Files.Remove(text);
goto IL_1BD;
}
if (dispatch)
{
DefaultWatcher.DispatchEvents(data.FSW, FileAction.Added, text);
}
}
else if (fileData2.Directory == directory)
{
fileData2.NotExists = false;
}
IL_1BD :;
}
if (!dispatch)
{
return;
}
ArrayList arrayList = null;
foreach (object obj2 in data.Files.Keys)
{
string text2 = (string)obj2;
FileData fileData3 = (FileData)data.Files[text2];
if (fileData3.NotExists)
{
if (arrayList == null)
{
arrayList = new ArrayList();
}
arrayList.Add(text2);
DefaultWatcher.DispatchEvents(data.FSW, FileAction.Removed, text2);
}
}
if (arrayList != null)
{
foreach (object obj3 in arrayList)
{
string key2 = (string)obj3;
data.Files.Remove(key2);
}
arrayList = null;
}
foreach (object obj4 in data.Files.Keys)
{
string text3 = (string)obj4;
FileData fileData4 = (FileData)data.Files[text3];
DateTime creationTime;
DateTime lastWriteTime;
try
{
creationTime = File.GetCreationTime(text3);
lastWriteTime = File.GetLastWriteTime(text3);
}
catch
{
if (arrayList == null)
{
arrayList = new ArrayList();
}
arrayList.Add(text3);
DefaultWatcher.DispatchEvents(data.FSW, FileAction.Removed, text3);
continue;
}
if (creationTime != fileData4.CreationTime || lastWriteTime != fileData4.LastWriteTime)
{
fileData4.CreationTime = creationTime;
fileData4.LastWriteTime = lastWriteTime;
DefaultWatcher.DispatchEvents(data.FSW, FileAction.Modified, text3);
}
}
if (arrayList != null)
{
foreach (object obj5 in arrayList)
{
string key3 = (string)obj5;
data.Files.Remove(key3);
}
}
}
void IterateAndModifyFilesData (DefaultWatcherData data, string directory, bool dispatch, string[] files)
{
/* Set all as untested */
foreach (string filename in data.Files.Keys) {
FileData fd = (FileData) data.Files [filename];
if (fd.Directory == directory)
fd.NotExists = true;
}
/* New files */
foreach (string filename in files) {
FileData fd = (FileData) data.Files [filename];
if (fd == null) {
try {
data.Files.Add (filename, CreateFileData (directory, filename));
} catch {
// The file might have been removed in the meanwhile
data.Files.Remove (filename);
continue;
}
if (dispatch)
DispatchEvents (data.FSW, FileAction.Added, filename);
} else if (fd.Directory == directory) {
fd.NotExists = false;
}
}
if (!dispatch) // We only initialize the file list
return;
/* Removed files */
List<string> removed = null;
foreach (string filename in data.Files.Keys) {
FileData fd = (FileData) data.Files [filename];
if (fd.NotExists) {
if (removed == null)
removed = new List<string> ();
removed.Add (filename);
DispatchEvents (data.FSW, FileAction.Removed, filename);
}
}
if (removed != null) {
foreach (string filename in removed)
data.Files.Remove (filename);
removed = null;
}
/* Changed files */
foreach (string filename in data.Files.Keys) {
FileData fd = (FileData) data.Files [filename];
DateTime creation, write;
try {
creation = File.GetCreationTime (filename);
write = File.GetLastWriteTime (filename);
} catch {
/* Deleted */
if (removed == null)
removed = new List<string> ();
removed.Add (filename);
DispatchEvents (data.FSW, FileAction.Removed, filename);
continue;
}
if (creation != fd.CreationTime || write != fd.LastWriteTime) {
fd.CreationTime = creation;
fd.LastWriteTime = write;
DispatchEvents (data.FSW, FileAction.Modified, filename);
}
}
if (removed != null) {
foreach (string filename in removed)
data.Files.Remove (filename);
}
}
void DoFiles (DefaultWatcherData data, string directory, bool dispatch)
{
bool direxists = Directory.Exists (directory);
if (direxists && data.IncludeSubdirs) {
foreach (string d in Directory.GetDirectories (directory))
DoFiles (data, d, dispatch);
}
string [] files = null;
if (!direxists) {
files = NoStringsArray;
} else if (!data.NoWildcards) {
files = Directory.GetFileSystemEntries (directory, data.FileMask);
} else {
// The pattern does not have wildcards
if (File.Exists (data.FileMask) || Directory.Exists (data.FileMask))
files = new string [] { data.FileMask };
else
files = NoStringsArray;
}
lock (data.FilesLock) {
IterateAndModifyFilesData (data, directory, dispatch, files);
}
}
private void DoFiles(DefaultWatcherData data, string directory, bool dispatch)
{
bool flag = Directory.Exists(directory);
if (flag && data.IncludeSubdirs)
{
string[] directories = Directory.GetDirectories(directory);
foreach (string directory2 in directories)
{
DoFiles(data, directory2, dispatch);
}
}
string[] array = null;
array = ((!flag) ? NoStringsArray : ((!data.NoWildcards) ? Directory.GetFileSystemEntries(directory, data.FileMask) : ((!File.Exists(data.FileMask) && !Directory.Exists(data.FileMask)) ? NoStringsArray : new string[1]
{
data.FileMask
})));
foreach (string key4 in data.Files.Keys)
{
FileData fileData = (FileData)data.Files[key4];
if (fileData.Directory == directory)
{
fileData.NotExists = true;
}
}
string[] array2 = array;
foreach (string text in array2)
{
FileData fileData2 = (FileData)data.Files[text];
if (fileData2 == null)
{
try
{
data.Files.Add(text, CreateFileData(directory, text));
}
catch
{
data.Files.Remove(text);
continue;
IL_0185 :;
}
if (dispatch)
{
DispatchEvents(data.FSW, FileAction.Added, text);
}
}
else if (fileData2.Directory == directory)
{
fileData2.NotExists = false;
}
}
if (dispatch)
{
ArrayList arrayList = null;
foreach (string key5 in data.Files.Keys)
{
FileData fileData3 = (FileData)data.Files[key5];
if (fileData3.NotExists)
{
if (arrayList == null)
{
arrayList = new ArrayList();
}
arrayList.Add(key5);
DispatchEvents(data.FSW, FileAction.Removed, key5);
}
}
if (arrayList != null)
{
foreach (string item in arrayList)
{
data.Files.Remove(item);
}
arrayList = null;
}
foreach (string key6 in data.Files.Keys)
{
FileData fileData4 = (FileData)data.Files[key6];
DateTime creationTime;
DateTime lastWriteTime;
try
{
creationTime = File.GetCreationTime(key6);
lastWriteTime = File.GetLastWriteTime(key6);
}
catch
{
if (arrayList == null)
{
arrayList = new ArrayList();
}
arrayList.Add(key6);
DispatchEvents(data.FSW, FileAction.Removed, key6);
continue;
IL_0340 :;
}
if (creationTime != fileData4.CreationTime || lastWriteTime != fileData4.LastWriteTime)
{
fileData4.CreationTime = creationTime;
fileData4.LastWriteTime = lastWriteTime;
DispatchEvents(data.FSW, FileAction.Modified, key6);
}
}
if (arrayList != null)
{
foreach (string item2 in arrayList)
{
data.Files.Remove(item2);
}
}
}
}
