获取INET4与INET6的信息

获取INET4与INET6的信息

参考书籍:

本人封装的源码:

//

//  IPAddressInfo.h

//  YXNETWORK

//

//  http://www.cnblogs.com/YouXianMing/

//

//  Copyright (c) 2014年 Y.X. All rights reserved.

//

#import <Foundation/Foundation.h>

@interface IPAddressInfo : NSObject

+ (NSDictionary *)net4Info;

@end

//

//  IPAddressInfo.m

//  YXNETWORK

//

//  http://www.cnblogs.com/YouXianMing/

//

//  Copyright (c) 2014年 Y.X. All rights reserved.

//

#import "IPAddressInfo.h"

#import <sys/types.h>

#import <sys/socket.h>

#import <netdb.h>

#import <arpa/inet.h>

#include <ifaddrs.h>

#include <arpa/inet.h>

static NSMutableDictionary *net4 = nil;

static NSMutableDictionary *net6 = nil;

@implementation IPAddressInfo

+ (void)initialize

{

    if (self == [IPAddressInfo class])

    {

        net4 = [NSMutableDictionary new];

        net6 = [NSMutableDictionary new];

    }

}

+ (NSDictionary *)net4Info

{

    [self updataInfo];

    return net4;

}

+ (void)updataInfo

{

    struct ifaddrs *interfaces = NULL;

    struct ifaddrs *temp_addr  = NULL;

    int success = ;

    // 从当前接口中获取信息

    success = getifaddrs(&interfaces);

    if (success == )

    {

        // 遍历接口

        temp_addr = interfaces;

        for (temp_addr = interfaces; temp_addr != NULL; temp_addr = temp_addr->ifa_next)

        {

            if(temp_addr->ifa_addr->sa_family == AF_INET)

            {

                NSMutableDictionary *tmp = [NSMutableDictionary new];

                // INET4

                char naddr[INET_ADDRSTRLEN];

                char nmask[INET_ADDRSTRLEN];

                char ngate[INET_ADDRSTRLEN];

                inet_ntop(AF_INET,&((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr,naddr,INET_ADDRSTRLEN);

                inet_ntop(AF_INET,&((struct sockaddr_in *)temp_addr->ifa_netmask)->sin_addr,nmask,INET_ADDRSTRLEN);

                inet_ntop(AF_INET,&((struct sockaddr_in *)temp_addr->ifa_dstaddr)->sin_addr,ngate,INET_ADDRSTRLEN);

                NSString *interfaceName = [NSString stringWithUTF8String:temp_addr->ifa_name];

                NSString *address       = [NSString stringWithUTF8String:naddr];

                NSString *netmask       = [NSString stringWithUTF8String:nmask];

                NSString *gateway       = [NSString stringWithUTF8String:ngate];

                [tmp setObject:address forKey:@"address"];

                [tmp setObject:netmask forKey:@"netmask"];

                [tmp setObject:gateway forKey:@"gateway"];

                [net4 setObject:tmp forKey:interfaceName];

            }

            else if(temp_addr->ifa_addr->sa_family == AF_INET6)

            {

                // INET6

                char naddr[INET6_ADDRSTRLEN];

                char ngate[INET6_ADDRSTRLEN];

                inet_ntop(AF_INET6,&((struct sockaddr_in6 *)temp_addr->ifa_addr)->sin6_addr,naddr,INET6_ADDRSTRLEN);

                NSString *tmpGateway = nil;

                if ((struct sockaddr_in6 *)temp_addr->ifa_dstaddr != NULL)

                {

                    inet_ntop(AF_INET6,&((struct sockaddr_in6 *)temp_addr->ifa_dstaddr)->sin6_addr,ngate,INET6_ADDRSTRLEN);

                    tmpGateway = [NSString stringWithUTF8String:ngate];

                }

                else

                {

                    tmpGateway = @" ";

                }

//                NSString *interfaceName = [NSString stringWithUTF8String:temp_addr->ifa_name];

//                NSString *address = [NSString stringWithUTF8String:naddr];

//                NSString *netmask = @" ";

//                NSString *gateway = tmpGateway;

//

//                NSLog(@"%@", interfaceName);

//                NSLog(@"%@", address);

//                NSLog(@"%@", netmask);

//                NSLog(@"%@", gateway);

            }

            else

            {

                continue;

            }

        }

    }

    // 释放资源

    freeifaddrs(interfaces);

}

@end

使用情况: