iOS-获取当前设备的局域网以及链接的WiFi分配的IP地址

系统管理员 2023-10-16 23:57 9阅读 0赞

#pragma mark - 获取设备当前连接的局域网的名称(获取不到返回nil)
    /**
     *  @author zm
     *
     *  @brief  获取设备当前连接的局域网的名称(获取不到返回nil)
     *
     *  @return 局域网的名称
     */
    - (NSString *)f_getCurrentWifiSSID
    {
        NSArray *ifs = (__bridgeid)CNCopySupportedInterfaces();
        id info =nil;
        NSString *ssid =nil;
        for (NSString *ifnamin ifs) {
            info = (__bridgeid)CNCopyCurrentNetworkInfo((__bridgeCFStringRef)ifnam);
            if (info && [infocount]) {
                break;
            }
        }
        
        NSDictionary *dctySSID = (NSDictionary *)info;
        if(dctySSID)
        {
            ssid = [dctySSIDobjectForKey:@"SSID"];
        }
        return ssid;
    }
    
    #pragma mark - 获取设备当前连接的wifi所分配的IP地址(获取不到返回nil)
    /**
     *  @author zm
     *
     *  @brief 获取设备当前连接的wifi所分配的IP地址(获取不到返回nil)
     *
     *  @return wifi分配的IP地址
     */
    -(NSString *)f_getCurrentWifiIP
    {
        NSString *_str_address =nil;
        structifaddrs *_struct_interfaces = NULL;
        structifaddrs *_struct_temp_addr = NULL;
        int int_success =0;
        int_success = getifaddrs(&_struct_interfaces);
    
        if (int_success ==0) { // 0表示获取成功
            _struct_temp_addr = _struct_interfaces;
            while (_struct_temp_addr !=NULL) {
                if( _struct_temp_addr->ifa_addr->sa_family == AF_INET) {
                    // Check if interface is en0 which is the wifi connection on the iPhone
                    if ([[NSStringstringWithUTF8String:_struct_temp_addr->ifa_name]isEqualToString:@"en0"]) {
                        // Get NSString from C String
                        _str_address = [NSStringstringWithUTF8String:inet_ntoa(((structsockaddr_in *)_struct_temp_addr->ifa_addr)->sin_addr)];
                    }
                }
                _struct_temp_addr = _struct_temp_addr->ifa_next;
            }
        }
        freeifaddrs(_struct_interfaces);
        return _str_address;
    }