iOS获取设备ip地址(OC版)
程序员文章站
2022-04-22 16:01:02
内容来自:https://www.cnblogs.com/mnstar/p/6281886.html ......
#import <SystemConfiguration/CaptiveNetwork.h> #import <ifaddrs.h> #import <arpa/inet.h> #import <sys/sockio.h> #import <sys/ioctl.h> // #include <sys/socket.h> // Per msqr #include <sys/sysctl.h> #include <net/if.h> #include <net/if_dl.h> #define IOS_CELLULAR @"pdp_ip0" #define IOS_WIFI @"en0" //#define IOS_VPN @"utun0" #define IP_ADDR_IPv4 @"ipv4" #define IP_ADDR_IPv6 @"ipv6" //获取ip地址 //获取设备当前网络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]; if(address) *stop = YES; } ]; return address ? address : @"0.0.0.0"; } //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; }
内容来自:https://www.cnblogs.com/mnstar/p/6281886.html
下一篇: 一字千军论隐与显