Created
June 5, 2013 08:17
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Get LocalIPAddresses
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+ (NSArray *)localIPAddresses | |
{ | |
NSMutableArray *ipAddresses = [NSMutableArray array] ; | |
struct ifaddrs *allInterfaces; | |
// Get list of all interfaces on the local machine: | |
if (getifaddrs(&allInterfaces) == 0) { | |
struct ifaddrs *interface; | |
// For each interface ... | |
for (interface = allInterfaces; interface != NULL; interface = interface->ifa_next) { | |
unsigned int flags = interface->ifa_flags; | |
struct sockaddr *addr = interface->ifa_addr; | |
// Check for running IPv4, IPv6 interfaces. Skip the loopback interface. | |
if ((flags & (IFF_UP|IFF_RUNNING|IFF_LOOPBACK)) == (IFF_UP|IFF_RUNNING)) { | |
if (addr->sa_family == AF_INET || addr->sa_family == AF_INET6) { | |
// Convert interface address to a human readable string: | |
char host[NI_MAXHOST]; | |
getnameinfo(addr, addr->sa_len, host, sizeof(host), NULL, 0, NI_NUMERICHOST); | |
[ipAddresses addObject:[[NSString alloc] initWithUTF8String:host]]; | |
} | |
} | |
} | |
freeifaddrs(allInterfaces); | |
} | |
return ipAddresses; | |
} |
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