电子客户端IP

Question

我正在使用以下代码在我的电子应用程序中检索客户端IP：

const fnOSIP = () => { const nets = networkInterfaces()；const fnOSIP= Object.create(null)；//或者只有'{}'，一个空对象

    for (const name of Object.keys(nets)) {
        for (const net of nets[name]) {
            // skip over non-ipv4 and internal (i.e. 127.0.0.1) addresses
            if (net.family === 'IPv4' && !net.internal) {
                if (!results[name]) {
                    results[name] = [];
                }

                results[name].push(net.address);
            }
        }
    }
    return results; 
}

问题是它返回了两个IP，我想获取主IP，但不是很确定。

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如果我执行一条命令: ip address，我可以获得每个IP的以下信息：

3: wlp0s20f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 08:d2:3e:a5:46:37 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.117/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp0s20f3
   valid_lft 4944sec preferred_lft 4944sec
inet6 fe80::7701:3d92:db95:9fdc/64 scope link noprefixroute 
   valid_lft forever preferred_lft forever



16: br-f5f2e5a5a382: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default 
    link/ether 02:42:23:09:cb:c9 brd ff:ff:ff:ff:ff:ff
    inet 172.19.0.1/16 brd 172.19.255.255 scope global br-f5f2e5a5a382
       valid_lft forever preferred_lft forever
    inet6 fe80::42:23ff:fe09:cbc9/64 scope link 
       valid_lft forever preferred_lft forever

br-f5f2...来自docker：

假设如果它有/24，它就是主要的，这有意义吗？

Answer 1

问题是，您必须剥离内部地址。我使用以下脚本来确定客户端的IP：

function getIPs() {
    var ifaces = os.networkInterfaces();
    let ipAdresse = {};
    Object.keys(ifaces).forEach(function (ifname) {
      let alias = 0;
      ifaces[ifname].forEach(function (iface) {
      if ('IPv4' !== iface.family || iface.internal !== false) {
        // skip over internal (i.e. 127.0.0.1) and non-ipv4 addresses
      return;
    }

    if (alias >= 1) {
    // this single interface has multiple ipv4 addresses
    console.log(ifname + ':' + alias, iface.address);
    } else {
    // this interface has only one ipv4 adress
    console.log(ifname, iface.address);
    ipAdresse = {IP: iface.address, MAC: iface.mac};
    }
    ++alias;
  });
});
return ipAdresse;
}

问题(我找不到解决方案)是，如果机器有两个接口(像LAN和WIFI同时启用)，你不能确定哪个是哪个。