8945770

#import <Foundation/Foundation.h>
#import <string>
#import <iostream>

@interface toff : NSObject {}
@property(strong) NSData* dataRead;
-(void) process:(NSNotification*)notification;
@end

@implementation toff
&synthesize dataRead

-(void) process:(NSNotification*)notification{
    printf("Packet caught!\n");
//2    NSLog(@"Notif: %@", notification);
//3    NSLog(@"Object: %@", [notification object]);
//4    dataRead = [[notification object] readDataToEndOfFile];
//5    NSLog(@"Data extracted.");
//1    [[notification object] waitForDataInBackgroundAndNotify]
}
@end

int main (int argc, const char * argv[]){
    @autoreleasepool {
        NSTask* tshark = [[NSTask alloc] init];
        NSPipe* p = [NSPipe pipe];
        NSFileHandle* read = [p fileHandleForReading];
        toff* t1 = [[toff alloc] init];
        NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];

        [read waitForDataInBackgroundAndNotify];
        [nc addObserver:t1 selector:@selector(process:) name:NSFileHandleDataAvailableNotification object:read];

        [tshark setLaunchPath:@"/usr/local/bin/tshark"];
        [tshark setStandardOutput:p];
        [tshark launch];
        [tshark waitUntilExit];
    }
    return 0;
}