#include <ifaddrs.h>
#include <arpa/inet.h>
#include <net/if.h>
#define IOS_CELLULAR @"pdp_ip0" // 4G网路状态IP
#define IOS_WIFI @"en0" // WIFI网路状态IP
//#define IOS_VPN @"utun0" // VPN网路状态IP
#define IP_ADDR_IPv4 @"ipv4"
#define IP_ADDR_IPv6 @"ipv6"
//获取所有相关IP信息
- (NSDictionary *)getIPAddresses
{
NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];
// retrieve the current interfaces - returns 0 on success
structifaddrs*interfaces;
if(!getifaddrs(&interfaces)) {
// Loop through linked list of interfaces
structifaddrs*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
}
conststructsockaddr_in*addr = (conststructsockaddr_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;
NSLog(@"对方PORT：%d ", ntohs(&addr->sin_port));
}
}else{
conststructsockaddr_in6*addr6 = (conststructsockaddr_in6*)interface->ifa_addr;
if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf,INET6_ADDRSTRLEN)) {
type =IP_ADDR_IPv6;
NSLog(@"对方PORT：%d ", ntohs(&addr6->sin6_port));
}
}
if(type) {
NSString*key = [NSStringstringWithFormat:@"%@/%@", name, type];
addresses[key] = [NSStringstringWithUTF8String:addrBuf];
}
}
}
// Free memory
freeifaddrs(interfaces);
}
return[addressescount] ? addresses :nil;
}
