FSEventStreamRef CreateEventStream( DirWatchMap path )
{
if ( ( g_Stream == NULL ) && CanRunNotifications() )
{
CFStringRef* pathLists = (CFStringRef*)malloc( sizeof(CFStringRef*) * path.size() );
int index = 0;
for ( DirWatchMap::iterator it = path.begin() ; it != path.end(); ++it)
{
pathLists[index] = CFStringCreateWithFileSystemRepresentation( NULL, OsString(it->path).c_str());
index++;
}
CFArrayRef pathsToWatch = CFArrayCreate(NULL, (const void **)pathLists, index, NULL);
FSEventStreamContext *callbackInfo = NULL;
FSEventStreamRef stream = FSEventStreamCreate(NULL, &fsevent_callback, callbackInfo, pathsToWatch,
kFSEventStreamEventIdSinceNow, 1.0, kFSEventStreamCreateFlagFileEvents );
CFRelease( pathsToWatch );
free( pathLists );
FSEventStreamScheduleWithRunLoop(stream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
if (!FSEventStreamStart(stream))
debug_warn(L"event_loop FSEventStreamStart failed!");
else
return stream;
}
return NULL;
}
static void fsevent_callback(
ConstFSEventStreamRef UNUSED(streamRef),
void * UNUSED(clientCallBackInfo),
size_t numEvents,
void *eventPaths,
const FSEventStreamEventFlags eventFlags[],
const FSEventStreamEventId UNUSED(eventIds)[] )
{
unsigned long i;
char **paths = (char **)eventPaths;
for (i=0; i<numEvents; i++)
{
bool isWatched = false;
OsPath eventPath = OsPath(paths[i]);
unsigned long eventType = eventFlags[i];
if ( eventPath.Filename().string().c_str()[0] != '.' )
{
for ( DirWatchMap::iterator it = g_Paths.begin() ; it != g_Paths.end(); ++it)
if ( path_is_subpath( it->path.string().c_str(), eventPath.string().c_str() ) )
isWatched = true;
}
if ( ! isWatched )
return;
OsPath filename = Path( eventPath.string().c_str() );
if ( eventType & kFSEventStreamEventFlagItemIsFile)
{
if ( eventType & kFSEventStreamEventFlagItemRemoved )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Deleted ));
else if ( eventType & kFSEventStreamEventFlagItemRenamed )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Deleted ));
else if ( eventType & kFSEventStreamEventFlagItemCreated )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Created ));
else if ( eventType & kFSEventStreamEventFlagItemModified )
g_QueuedDirs.push_back(DirWatchNotification( filename.string().c_str(), DirWatchNotification::Changed ));
}
}
}
Status dir_watch_Add(const OsPath& path, PDirWatch& dirWatch)
{
PDirWatch tmpDirWatch(new DirWatch);
dirWatch.swap(tmpDirWatch);
dirWatch->path = path;
dirWatch->reqnum = 0;
g_Paths.push_back( *dirWatch );
bool alreadyInsideRootPath = false;
for ( DirWatchMap::iterator it = g_RootPaths.begin() ; it != g_RootPaths.end(); ++it)
{
if ( path_is_subpath( path.string().c_str(), it->path.string().c_str() ) )
alreadyInsideRootPath = true;
}
if ( !alreadyInsideRootPath )
{
DeleteEventStream();
g_RootPaths.push_back( *dirWatch );
}
return INFO::OK;
}
