Objective-C

Send a Wake-on-LAN Magic Packet

Demonstrates Socket.SendWakeOnLan, which sends a Wake-on-LAN magic packet for a MAC address to a UDP broadcast address and port.

Background. The MAC address is six bytes written as hexadecimal. Wake-on-LAN wakes a powered-down machine on the local network that has the feature enabled.

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Objective-C

#import <CkoSocket.h>

BOOL success = NO;

CkoSocket *socket = [[CkoSocket alloc] init];

//  Send a Wake-on-LAN magic packet to wake a machine by its MAC address.  The MAC is six bytes
//  written as hexadecimal, and the packet is sent to the UDP broadcast address and port.
success = [socket SendWakeOnLan: @"000102030405" port: [NSNumber numberWithInt: 9] ipBroadcastAddr: @"255.255.255.255"];
if (success == NO) {
    NSLog(@"%@",socket.LastErrorText);
    return;
}

NSLog(@"%@",@"Wake-on-LAN packet sent.");