public void AddWatch(string path)
{
ValidateArg.NotNullOrEmpty(path, "path");
if (!String.IsNullOrEmpty(path))
{
var directoryName = Path.GetDirectoryName(path);
var fileName = Path.GetFileName(path);
FileWatcherInfo watcherInfo;
if (!fileWatchers.TryGetValue(path, out watcherInfo))
{
watcherInfo = new FileWatcherInfo(new FileSystemWatcher(directoryName, fileName));
if (fileWatchers.TryAdd(path, watcherInfo))
{
watcherInfo.Watcher.Changed += OnChanged;
// We are monitoring for this file to be renamed.
// This is needed to catch file modifications in VS2013+. In these version VS won't update an existing file.
// It will create a new file, and then delete old one and swap in the new one transactionally
watcherInfo.Watcher.Renamed += OnRenamed;
watcherInfo.Watcher.EnableRaisingEvents = true;
}
}
}
}
public void AddWatch(string path)
{
ValidateArg.NotNullOrEmpty(path, "path");
if (!String.IsNullOrEmpty(path))
{
var directoryName = Path.GetDirectoryName(path);
if (!Directory.Exists(directoryName))
return;
var fileName = Path.GetFileName(path);
FileWatcherInfo watcherInfo;
if (!fileWatchers.TryGetValue(path, out watcherInfo))
{
var watcher = new FileSystemWatcher(directoryName, fileName);
watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite
| NotifyFilters.FileName | NotifyFilters.DirectoryName;
watcherInfo = new FileWatcherInfo(watcher);
fileWatchers.Add(path, watcherInfo);
watcherInfo.Watcher.Changed += OnChanged;
watcherInfo.Watcher.Created += OnChanged;
watcherInfo.Watcher.Deleted += OnChanged;
watcherInfo.Watcher.Renamed += OnChanged;
watcherInfo.Watcher.EnableRaisingEvents = true;
}
}
}
private void OnFileCreated(object sender, FileWatcherInfo e)
{
if (e == null)
{
return;
}
Task.Run(() => TryDelete(e));
Task.Run(() => TryWriteJobMessage(e));
}
private void TryWriteJobMessage(FileWatcherInfo info)
{
void WriteJobMessage(dynamic profile, string appId)
{
string jobId = Path.GetFileNameWithoutExtension(info.Name);
string data = Convert.ToBase64String(info.FileBytes);
string directory = profile.System.Directory;
string scopes = profile.System.Scopes;
string jobMessage = "{\"auth\":{\"app_id\":\"" +
appId + "\"},\"meta\":{\"id\":\"" +
jobId + "\",\"scopes\":\"" +
scopes + "\"},\"data\":\"" +
data + "\"}";
string messageDir = profile.System.Directory;
string path = Path.Combine(directory, jobId + ".json");
while (File.Exists(path))
{
Logger.LogWarning("File already exists, wait 1 second and try again.");
SpinWait.SpinUntil(() => false, 1000);
}
File.WriteAllText(path, jobMessage, new UTF8Encoding(false));
}
try {
string[] folders = info.DirectoryName.Split('\\');
if (folders.Count() < 3)
{
throw new ArgumentException(info.DirectoryName);
}
string[] reverseFolders = folders.Reverse().ToArray();
string scopes = reverseFolders[0].ToLower();
string appId = reverseFolders[1].ToLower();
Guard.AgainstNullAndEmpty(nameof(scopes), scopes);
Guard.AgainstNullAndEmpty(nameof(appId), appId);
var profiles = Profile.LoadProfile(appId, Const.PLUGIN_NAME, scopes);
Parallel.ForEach(profiles, profile => {
WriteJobMessage(profile, appId);
});
}
catch (AggregateException e) {
foreach (var ie in e.InnerExceptions)
{
Logger.LogError(ie, ie.ToString());
}
}
catch (Exception e) {
Logger.LogError(e, e.ToString());
}
}
private void TryBackup(FileWatcherInfo info, string jobId)
{
try {
string backupDir = Path.Combine(Const.DIRECTORY, DateTime.Now.ToString(Const.BACKUP_PATTERN));
Directory.CreateDirectory(backupDir);
string backupPath = Path.Combine(backupDir, jobId + ".json");
File.Move(info.FullName, backupPath);
}
catch (Exception e) {
Logger.LogError(e, e.ToString());
}
}
public void AddWatch(string path)
{
ValidateArg.NotNullOrEmpty(path, "path");
if (!fileWatchers.ContainsKey(path))
{
string directoryName = Path.GetDirectoryName(path);
string fileName = Path.GetFileName(path);
FileWatcherInfo watcherInfo = new FileWatcherInfo(new FileSystemWatcher(directoryName, fileName));
fileWatchers.Add(path, watcherInfo);
watcherInfo.Watcher.Changed += OnChanged;
watcherInfo.Watcher.Renamed += OnRenamed;
watcherInfo.Watcher.EnableRaisingEvents = true;
}
}
private void OnFileCreated(object sender, FileWatcherInfo e)
{
if (OnMessageReceived == null)
{
return;
}
if (e == null)
{
return;
}
string jobId = Generator.RandomLongId;
Task.Run(() => TryBackup(e, jobId));
Task.Run(() => TryPushMessage(e, jobId));
}
public static void StopFileWatch(string filter, string parentDirectory, FileSystemEventHandler callback)
{
FileWatcherInfo watcherInfo =
_fileWatcherInfos.FirstOrDefault(
info => info.FileWatcher.Filter == filter &&
info.FileWatcher.Path == parentDirectory);
if (watcherInfo == null)
{
return;
}
watcherInfo.TryRemoveSubscriber(callback);
if (!watcherInfo.HasSubscribers())
{
_fileWatcherInfos.Remove(watcherInfo);
}
}
public static void StartFileWatch(string filter, string parentDirectory, FileSystemEventHandler callback)
{
FileWatcherInfo watcherInfo = null;
foreach (FileWatcherInfo info in _fileWatcherInfos)
{
FileSystemWatcher watcher = info.FileWatcher;
if (watcher.Filter != filter || watcher.Path != parentDirectory)
{
continue;
}
watcherInfo = info; // TODO REFACTOR (weakman) This assigned value is never used....
return; // ...because of this return,
}
if (watcherInfo == null)
{
// REFACTOR (weakman) , Which means this is currently always true...
IOHelper.EnsureDirectoryExists(parentDirectory);
watcherInfo = new FileWatcherInfo(new FileSystemWatcher(parentDirectory, filter), callback);
InitializeWatcher(watcherInfo.FileWatcher);
_fileWatcherInfos.Add(watcherInfo);
}
else
{
// REFACTOR (weakman) ...so this is never executed
foreach (FileSystemEventHandler sub in watcherInfo.Subscribers)
{
if (sub == callback)
{
// already subscribed to this watcher
return;
}
}
watcherInfo.TryAddSubscriber(callback);
}
}
public void AddWatch(string path)
{
ValidateArg.NotNullOrEmpty(path, "path");
if (!String.IsNullOrEmpty(path))
{
var directoryName = Path.GetDirectoryName(path);
var fileName = Path.GetFileName(path);
FileWatcherInfo watcherInfo;
if (!fileWatchers.TryGetValue(path, out watcherInfo))
{
watcherInfo = new FileWatcherInfo(new FileSystemWatcher(directoryName, fileName));
fileWatchers.Add(path, watcherInfo);
watcherInfo.Watcher.Changed += OnChanged;
watcherInfo.Watcher.EnableRaisingEvents = true;
}
}
}
public void AddWatch(string path)
{
ValidateArg.NotNullOrEmpty(path, "path");
if (!String.IsNullOrEmpty(path))
{
var directoryName = Path.GetDirectoryName(path);
var fileName = Path.GetFileName(path);
FileWatcherInfo watcherInfo;
if (!fileWatchers.TryGetValue(path, out watcherInfo))
{
watcherInfo = new FileWatcherInfo(new FileSystemWatcher(directoryName, fileName));
fileWatchers.Add(path, watcherInfo);
watcherInfo.Watcher.Changed += OnChanged;
watcherInfo.Watcher.EnableRaisingEvents = true;
}
}
}
public static void StartFileWatch(string filter, string parentDirectory, FileSystemEventHandler callback)
{
FileWatcherInfo watcherInfo = null;
foreach (var info in _fileWatcherInfos)
{
var watcher = info.FileWatcher;
if (watcher.Filter == filter && watcher.Path == parentDirectory)
{
watcherInfo = info;
return;
}
}
if (watcherInfo == null)
{
IOHelper.EnsureDirectoryExists(parentDirectory);
watcherInfo = new FileWatcherInfo(new FileSystemWatcher(parentDirectory, filter), callback);
InitializeWatcher(watcherInfo.FileWatcher);
_fileWatcherInfos.Add(watcherInfo);
}
else
{
foreach (var sub in watcherInfo.Subscribers)
{
if (sub == callback)
{
// already subscribed to this watcher
return;
}
}
watcherInfo.TryAddSubscriber(callback);
}
}
private void TryPushMessage(FileWatcherInfo info, string jobId)
{
try {
var context = new Dictionary <string, string> {
{ WidgetConst.PMSG_ID, Path.GetFileNameWithoutExtension(info.Name) },
{ WidgetConst.PMSG_JOBID, jobId },
{ WidgetConst.PMSG_SOURCE, WidgetName },
};
Parallel.ForEach(OnMessageReceived.GetInvocationList(), t => {
((PipelineMessageEventHandler)t).BeginInvoke(info.FileBytes, context, null, null);
});
}
catch (AggregateException e) {
foreach (var ie in e.InnerExceptions)
{
Logger.LogError(ie, ie.ToString());
}
}
catch (Exception e) {
Logger.LogError(e, e.ToString());
}
}
/// <summary>
/// Registers a file to be watched</summary>
/// <param name="filePath">Path of file to watch. It must exist.</param>
public void Register(string filePath)
{
if (!m_watchers.ContainsKey(filePath))
{
string directory = Path.GetDirectoryName(filePath);
string filter = Path.GetFileName(filePath);
DateTime lastWriteTime = File.GetLastWriteTimeUtc(filePath);
var watcher = new FileSystemWatcher(directory, filter);
watcher.SynchronizingObject = m_syncObject;
watcher.Changed += watcher_Changed;
watcher.Renamed += OnRenamed;
var watcherInfo = new FileWatcherInfo
{
Watcher = watcher,
LastWriteTime = lastWriteTime
};
m_watchers.Add(filePath, watcherInfo);
watcher.EnableRaisingEvents = true;
}
}
/// <summary>
/// Registers a file to be watched</summary>
/// <param name="filePath">Path of file to watch. It must exist.</param>
public void Register(string filePath)
{
if (!m_watchers.ContainsKey(filePath))
{
string directory = Path.GetDirectoryName(filePath);
string filter = Path.GetFileName(filePath);
DateTime lastWriteTime = File.GetLastWriteTimeUtc(filePath);
var watcher = new FileSystemWatcher(directory, filter);
watcher.SynchronizingObject = m_syncObject;
watcher.Changed += watcher_Changed;
watcher.Renamed += OnRenamed;
var watcherInfo = new FileWatcherInfo
{
Watcher = watcher,
LastWriteTime = lastWriteTime
};
m_watchers.Add(filePath, watcherInfo);
watcher.EnableRaisingEvents = true;
}
}
