// // IPTools.h // IPV6Demo // // Created by ai-nixs on 2020/5/24. // Copyright © 2020 nixs. All rights reserved. // #importNS_ASSUME_NONNULL_BEGIN @interface IPTools : NSObject /// 获取IP地址 ipv4/ipv6 by:nixs 2020年05月25日08:43:16 +(NSString*)getIPAddress; @end NS_ASSUME_NONNULL_END
// // IPTools.m // IPV6Demo // // Created by ai-nixs on 2020/5/24. // Copyright © 2020 nixs. All rights reserved. // #import "IPTools.h" #define IOS_CELLULAR @"pdp_ip0" #define IOS_WIFI @"en0" #define IOS_*** @"utun0" #define IP_ADDR_IPv4 @"ipv4" #define IP_ADDR_IPv6 @"ipv6" #import#import#import@implementation IPTools // 判断当前网络是否是ipv6 + (BOOL)isIpv6{ NSArray *searchArray = @[ IOS_*** @"/" IP_ADDR_IPv6, IOS_*** @"/" 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 BOOL isIpv6 = NO; [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop){ NSLog(@"---%@---%@---",key, addresses[key] ); if ([key rangeOfString:@"ipv6"].length > 0 && ![[NSString stringWithFormat:@"%@",addresses[key]] hasPrefix:@"(null)"] ) { if ( ![addresses[key] hasPrefix:@"fe80"]) { isIpv6 = YES; } } }]; NSLog(@"---是否支持IPV6:%d",isIpv6); return isIpv6; } //获取所有相关IP信息 + (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; } //最后,获取ip地址 //获取手机ip地址 +(NSString*)getIPAddress{ NSArray *searchArray = [self isIpv6] ? @[ /*IOS_*** @"/" IP_ADDR_IPv6, IOS_*** @"/" IP_ADDR_IPv4,*/ IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4 ] : @[ /*IOS_*** @"/" IP_ADDR_IPv4, IOS_*** @"/" IP_ADDR_IPv6,*/ IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6 ]; NSDictionary *addresses = [self getIPAddresses]; NSLog(@"addresses: %@", addresses); __block NSString *address; [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop){ address = addresses[key]; if(address) *stop = YES; }]; return address ? address : @"0.0.0.0"; } @end