FileSystem Observing

main.m

#import <Foundation/Foundation.h>
#include <CoreServices/CoreServices.h>


void callbackFunction( ConstFSEventStreamRef streamRef,
                        void *clientCallBackInfo,
                        size_t numEvents,
                        void *eventPaths,
                        const FSEventStreamEventFlags eventFlags[],
                        const FSEventStreamEventId eventIds[] )
{
    int i;
    char **paths = eventPaths;
    
    for (i=0; i<numEvents; i++) {
        /* flags are unsigned long, IDs are uint64_t */
        printf("Change %llu in %s, flags %u\n", eventIds[i], paths[i], (unsigned int)eventFlags[i]);
    }
}


int main(int argc, const char * argv[])
{
    
    @autoreleasepool {
        
        /* Define variables and create a CFArray object containing
         CFString objects containing paths to watch.
         */
        CFStringRef mypaths[] = { CFSTR("/Users/marashliev/Desktop/test/") };
        CFArrayRef pathsToWatch = CFArrayCreate( NULL, (const void **)mypaths, sizeof(mypaths) / sizeof(CFStringRef), NULL );
        //NSArray *pathsToWatch = [NSArray arrayWithObject:@"/Users/marashliev/Desktop/test"];
        void *callbackInfo = NULL; // could put stream-specific data here.
        FSEventStreamRef stream;
        CFAbsoluteTime latency = 3.0; /* Latency in seconds */
        
        /* Create the stream, passing in a callback */
        stream = FSEventStreamCreate(NULL,
                                     &callbackFunction,
                                     callbackInfo,
                                     pathsToWatch,
                                     kFSEventStreamEventIdSinceNow, /* Or a previous event ID */
                                     latency,
                                     kFSEventStreamCreateFlagNone /* Flags explained in reference */ );
        FSEventStreamScheduleWithRunLoop(stream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
        FSEventStreamStart(stream);
        CFRunLoopRun();
        
    }
    return 0;
}