108 lines
2.9 KiB
Mathematica
108 lines
2.9 KiB
Mathematica
|
//
|
||
|
|
// SendToMac.m
|
||
|
|
// SendToMac
|
||
|
|
//
|
||
|
|
// Created by Maarten Billemont on 13/03/12.
|
||
|
|
// Copyright (c) 2012 Lyndir. All rights reserved.
|
||
|
|
//
|
||
|
|
|
||
|
|
#import "SendToMac.h"
|
||
|
|
|
||
|
|
#import <SystemConfiguration/SystemConfiguration.h>
|
||
|
|
#import <netinet/in.h>
|
||
|
|
#import <sys/socket.h>
|
||
|
|
#include <arpa/inet.h>
|
||
|
|
|
||
|
|
@implementation SendToMac
|
||
|
|
@synthesize timeout, netServiceBrowser, messageQueues;
|
||
|
|
|
||
|
|
- (id)initWithDelegate:(id<NSNetServiceBrowserDelegate>)delegate {
|
||
|
|
|
||
|
|
if (!(self = [super init]))
|
||
|
|
return nil;
|
||
|
|
|
||
|
|
self.timeout = 10;
|
||
|
|
self.messageQueues = [NSMutableDictionary dictionaryWithCapacity:1];
|
||
|
|
|
||
|
|
self.netServiceBrowser = [NSNetServiceBrowser new];
|
||
|
|
self.netServiceBrowser.delegate = delegate;
|
||
|
|
|
||
|
|
return self;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)start {
|
||
|
|
|
||
|
|
[self.netServiceBrowser searchForServicesOfType:@"_sendtomac._tcp." inDomain:@""];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)stop {
|
||
|
|
|
||
|
|
[self.netServiceBrowser stop];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)send:(NSString *)string toMac:(NSNetService *)service {
|
||
|
|
|
||
|
|
NSMutableArray *messageQueue = [self.messageQueues objectForKey:service];
|
||
|
|
if (!messageQueue)
|
||
|
|
[self.messageQueues setObject:messageQueue = [NSMutableArray arrayWithCapacity:3] forKey:service];
|
||
|
|
[messageQueue addObject:string];
|
||
|
|
|
||
|
|
service.delegate = self;
|
||
|
|
[service resolveWithTimeout:self.timeout];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)netServiceDidResolveAddress:(NSNetService *)sender {
|
||
|
|
|
||
|
|
struct sockaddr *senderAddress = NULL;
|
||
|
|
for (NSData *address in sender.addresses) {
|
||
|
|
struct sockaddr *socketAddress = (struct sockaddr *)address.bytes;
|
||
|
|
char *addressName = inet_ntoa((((struct sockaddr_in *)socketAddress)->sin_addr));
|
||
|
|
|
||
|
|
SCNetworkReachabilityRef target = SCNetworkReachabilityCreateWithAddress(NULL, socketAddress);
|
||
|
|
SCNetworkReachabilityFlags flags;
|
||
|
|
if (!SCNetworkReachabilityGetFlags(target, &flags)) {
|
||
|
|
err(@"Couldn't determine reachability for address: %s", addressName);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!(flags & kSCNetworkReachabilityFlagsReachable)) {
|
||
|
|
err(@"Not reachable: %s", addressName);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
senderAddress = socketAddress;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (senderAddress == NULL) {
|
||
|
|
dbg(@"Couldn't determine a reachable address for: %@", sender);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
NSSocketNativeHandle socketHandle;
|
||
|
|
if (0 > (socketHandle = socket(senderAddress->sa_family, SOCK_STREAM, 0))) {
|
||
|
|
err(@"Couldn't create socket: %@", errstr());
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (0 > connect(socketHandle, senderAddress, senderAddress->sa_len)) {
|
||
|
|
err(@"Couldn't connect socket: %@", errstr());
|
||
|
|
close(socketHandle);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (0 > close(socketHandle)) {
|
||
|
|
err(@"Couldn't close socket: %@", errstr());
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (NSString *messange in [self.messageQueues objectForKey:sender]) {
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict {
|
||
|
|
|
||
|
|
err(@"%@%@", NSStringFromSelector(_cmd), errorDict);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
@end
|