[XXX getIPAddress:NO];
#pragma mark - 获取设备当前本地IP地址
+ (NSString *)getIPAddress:(BOOL)preferIPv4
{
NSArray *searchArray = preferIPv4 ?
@[IOS_VPN @"/" IP_ADDR_IPv4,
IOS_VPN @"/" IP_ADDR_IPv6,
IOS_WIFI @"/" IP_ADDR_IPv4,
IOS_WIFI @"/" IP_ADDR_IPv6,
IOS_CELLULAR @"/" IP_ADDR_IPv4,
IOS_CELLULAR @"/" IP_ADDR_IPv6] :
@[ IOS_VPN @"/" IP_ADDR_IPv6,
IOS_VPN @"/" IP_ADDR_IPv4,
IOS_WIFI @"/" IP_ADDR_IPv6,
IOS_WIFI @"/" IP_ADDR_IPv4,
IOS_CELLULAR @"/" IP_ADDR_IPv6,
IOS_CELLULAR @"/" IP_ADDR_IPv4];
NSDictionary *addresses = [self getIPAddresses];
// NSLog(@"addresses: %@", addresses);
__block NSString *address;
[searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop) {
address = addresses[key];
//筛选出IP地址格式
if([self isValidatIP:address]) {
*stop = YES;
}
} ];
return address ? address : @"0.0.0.0";
}
+ (BOOL)isValidatIP:(NSString *)ipAddress {
if (ipAddress.length == 0) {
return NO;
}
NSString *urlRegEx = @"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
"([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
"([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
"([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";
NSError *error;
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error];
if (regex != nil) {
NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])];
if (firstMatch) {
// NSRange resultRange = [firstMatch rangeAtIndex:0];
// NSString *result=[ipAddress substringWithRange:resultRange];
//输出结果
// NSLog(@"%@",result);
return YES;
}
}
return NO;
}
+ (NSDictionary *)getIPAddresses
{
NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];
// retrieve the current interfaces - returns 0 on success
struct ifaddrs *interfaces;
if(!getifaddrs(&interfaces)) {
// Loop through linked list of interfaces
struct ifaddrs *interface;
for(interface=interfaces; interface; interface=interface->ifa_next) {
if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) {
continue; // deeply nested code harder to read
}
const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr;
char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ];
if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) {
NSString *name = [NSString stringWithUTF8String:interface->ifa_name];
NSString *type;
if(addr->sin_family == AF_INET) {
if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) {
type = IP_ADDR_IPv4;
}
} else {
const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr;
if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) {
type = IP_ADDR_IPv6;
}
}
if(type) {
NSString *key = [NSString stringWithFormat:@"%@/%@", name, type];
addresses[key] = [NSString stringWithUTF8String:addrBuf];
}
}
}
// Free memory
freeifaddrs(interfaces);
}
return [addresses count] ? addresses : nil;
}