+ (NSDictionary *)getIfaList {
NSMutableDictionary* ifaList = [[NSMutableDictionary alloc] init];
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
@try {
// retrieve the current interfaces - returns 0 on success
NSInteger success = getifaddrs(&interfaces);
//NSLog(@"%@, success=%d", NSStringFromSelector(_cmd), success);
if (success == 0) {
// Loop through linked list of interfaces
temp_addr = interfaces;
while(temp_addr != NULL) {
if(temp_addr->ifa_addr->sa_family == AF_INET)
{
// Get NSString from C String
NSString *ifaName = [NSString stringWithUTF8String:temp_addr->ifa_name];
NSString *address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *) temp_addr->ifa_addr)->sin_addr)];
NSString *mask = @"";
if (temp_addr->ifa_netmask)
mask = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *) temp_addr->ifa_netmask)->sin_addr)];
NSString *gateway = @"";
if (temp_addr->ifa_dstaddr)
gateway = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *) temp_addr->ifa_dstaddr)->sin_addr)];
LTNetIfa *ifa = [[LTNetIfa alloc] init];
ifa.name = ifaName;
ifa.address = address;
ifa.mask = mask;
ifa.gateway = gateway;
//NSLog(@"ifaName:%@, address:%@, mask:%@, gateway:%@\n", ifa.name, ifa.address, ifa.mask, ifa.gateway);
ifaList[ifaName] = ifa;
}
temp_addr = temp_addr->ifa_next;
}
}
} @catch (NSException *exception) {
NSLog(@"%@ Exception: %@", @"", exception);
} @finally {
// Free memory
freeifaddrs(interfaces);
}
return ifaList;
}
