public void StartMonitoring(string filePath, OnChangedCallback onChangedCallback, out object state, out DateTimeOffset lastWriteTime, out long fileSize)
{
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentNullException("filePath");
}
callback = onChangedCallback;
string parentDir;
if (File.Exists(filePath))
{
var fi = new FileInfo(filePath);
lastWriteTime = DateTimeOffset.FromFileTime(fi.LastWriteTimeUtc.Ticks);
fileSize = fi.Length;
parentDir = Path.GetDirectoryName(filePath);
}
else if (Directory.Exists(filePath))
{
var di = new DirectoryInfo(filePath);
lastWriteTime = DateTimeOffset.FromFileTime(di.LastWriteTimeUtc.Ticks);
fileSize = -1L;
parentDir = filePath;
}
else
{
lastWriteTime = DateTimeOffset.MaxValue;
fileSize = -1L;
if (filePath.LastIndexOf(Path.DirectorySeparatorChar) != -1)
{
parentDir = Path.GetDirectoryName(filePath);
}
else
{
parentDir = filePath;
}
}
FileChangeNotificationSystemEntry entry;
lock (watchers_lock) {
Dictionary <string, FileChangeNotificationSystemEntry> watchers = Watchers;
if (!watchers.TryGetValue(parentDir, out entry))
{
entry = new FileChangeNotificationSystemEntry(parentDir, this);
watchers.Add(parentDir, entry);
}
entry.Add(filePath);
entry.Start();
}
state = entry;
}
public void StartMonitoring (string filePath, OnChangedCallback onChangedCallback, out object state, out DateTimeOffset lastWriteTime, out long fileSize)
{
if (String.IsNullOrEmpty (filePath))
throw new ArgumentNullException ("filePath");
callback = onChangedCallback;
string parentDir;
if (File.Exists (filePath)) {
var fi = new FileInfo (filePath);
lastWriteTime = DateTimeOffset.FromFileTime (fi.LastWriteTimeUtc.Ticks);
fileSize = fi.Length;
parentDir = Path.GetDirectoryName (filePath);
} else if (Directory.Exists (filePath)) {
var di = new DirectoryInfo (filePath);
lastWriteTime = DateTimeOffset.FromFileTime (di.LastWriteTimeUtc.Ticks);
fileSize = -1L;
parentDir = filePath;
} else {
lastWriteTime = DateTimeOffset.MaxValue;
fileSize = -1L;
if (filePath.LastIndexOf (Path.DirectorySeparatorChar) != -1)
parentDir = Path.GetDirectoryName (filePath);
else
parentDir = filePath;
}
FileChangeNotificationSystemEntry entry;
lock (watchers_lock) {
Dictionary <string, FileChangeNotificationSystemEntry> watchers = Watchers;
if (!watchers.TryGetValue (parentDir, out entry)) {
entry = new FileChangeNotificationSystemEntry (parentDir, this);
watchers.Add (parentDir, entry);
}
entry.Add (filePath);
entry.Start ();
}
state = entry;
}
