问题描述
我想知道如何在用户连接到服务器n socket.io时获取用户的IP。我试过使用这个代码来记录连接地址和端口，如下所示：
I would like to know how to get the IP of a user when they connect to the server n socket.io. I have tried using this code which is supposed to log the connection address and port like this:
var io = require('socket.io')(serv, {});
io.sockets.on('connection', function(socket) {
var address = socket.handshake.address;
console.log('New connection from ' + address.address + ':' + address.port);
socket.on('request', function(data) {
console.log('Request Sent')
length = data.length
if (data.request == 'sessionID') {
socket.emit('sendSessionID', {
id: generateSessionID(length)
});
console.log('Sent session ID')
}
if (data.request == 'players') {
}
});
});
当我运行此代码虽然address.address未定义且与address.port相同。那么当我使用1.4.5时，我应该如何获得IP和端口？我找不到任何新更新的内容。
When I run this code though address.address is undefined and same with address.port. So how am I supposed to get the IP and port when I'm using 1.4.5? I can not find anything that is newly updated.
推荐答案
IP地址在 socket.handshake中。地址，而不是 socket.handshake.address.address 。
The IP address is in socket.handshake.address, not socket.handshake.address.address.
虽然socket.io中似乎没有记录这些内容，但您可以使用以下内容获取远程IP地址和远程端口：
Though none of this appears to be documented in socket.io, you can get the remote IP address and the remote port with these:
socket.request.connection.remoteAddress
socket.request.connection.remotePort
当我从LAN上的另一台计算机连接到socket.io服务器时，我看到以上两种设置的输出：
When I connect to a socket.io server from another computer on my LAN, I see these output from those above two settings:
::ffff:192.168.1.56
51210
这是正确的给予您连接到服务器的远程计算机的IP地址和端口。 IP地址 :: ffff：192.168.1.56 是IPv4映射地址。你必须在某些系统上处理这种形式的地址。
This is correctly giving you the IP address and the port of the remote computer that is connecting to your server. The IP address ::ffff:192.168.1.56 is an IPv4 mapped address. You will have to handle that form of address on some systems.
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