remote procedure call example in obj-c for macOS services

objc-rpc.m

#import <Foundation/Foundation.h>
#import <Cocoa/Cocoa.h>

@protocol NetStorageXPCObjectHandler
- (void)lock;
- (void)unlock;
- (void)deleteAllResponses;
- (void)dealloc;
@end


int main(int argc, const char * argv[]) {
    NSLog(@"Hello from process %d", [[NSProcessInfo processInfo] processIdentifier]);
    NSXPCConnection *connection = [[NSXPCConnection alloc] initWithMachServiceName:@"com.apple.nsurlstorage-cache"];


    connection.interruptionHandler = ^{
        NSLog(@"Connection Terminated");
    };

    connection.invalidationHandler = ^{

        NSLog(@"Connection invalidated");
    };

    connection.remoteObjectInterface = [NSXPCInterface interfaceWithProtocol:@protocol(NetStorageXPCObjectHandler)];
    [connection resume];
    [[connection remoteObjectProxy] dealloc];
    [[connection remoteObjectProxy] deleteAllResponses];
    [NSThread sleepForTimeInterval:1000.0f];
    return 0;
}