假设我创建了一个简单的 node.js TCP 套接字服务器,如下所示。
var server = net.createServer(function (socket) {
socket.end("goodbye\n");
});
// listen on port 80, like a webserver would, and configured to accept connections to multiple hosts, ie test.example.com, sdfsdfsdf.example.com, example2.com.
server.listen(80, function() {
address = server.address();
console.log("opened server on %j", address);
});
server.on('connection', function(socket) {
//log('connection data', socket);
log('CONNECTED SOCKET DATA', socket.address());
log('CONNECTED LOCAL, %s:%s', socket.localAddress, socket.localPort);
log('CONNECTED %s:%s', socket.remoteAddress, socket.remotePort);
//How do I find the server hostname that the client connected to?
// eg test.example.com or example2.com
});
一旦一个tcpconnection
完成后,我想解析客户端尝试连接的主机名。但是,那socket
好像没有这个信息。
以下是我运行之前的代码时得到的结果(删除了ip地址)
CONNECTED SOCKET DATA { port: 80, family: 2, address: '[SERVER IP ADDRESS]' }
CONNECTED LOCAL, undefined:undefined
CONNECTED [CLIENT IP ADDRESS]:13263
我已经浏览过nodejs套接字文档 http://nodejs.org/docs/latest/api/all.html#all_class_net_socket但我找不到与主机名相关的任何内容。该文档实际上说socket.localAddress
将是一个 IP 地址,在我的情况下它毫无用处。