I am writing a simple tunneling proxy.
The basic code is as follows:
var server = net.createServer(function(socket) {
socket.on('data', function(data) {
if (first_data) {
if (d.substring(0, 8) == "connect") {
host = 'abc';
port = 8081;
}
else {
host = 'def';
port = 8082;
}
proxy = net.connect({host: host, port: port}, function() {
proxy.write(data);
}
proxy.on('data', function(data) {
//if (socket.destroyed) { // Why is the socket destroyed
here?
//}
//else {
socket.write(data);
//}
});
proxy.on('end', function(e) {
//console.log('proxy end');
socket.end();
});
proxy.on('error', function(e) {
console.dir('proxy error ' + e);
});
first_data = 0;
}
else {
proxy.write(data);
}
});
socket.on('end', function () {
proxy.end();
});
socket.on('error', function(e) {
console.dir(e); // This is where the error is printed.
});
});
server.listen(8080, function() {
});
server.on('error', function(e) {
console.dir(e);
});
If I load the server with 10 requests, everything works fine. But if I load
it to 500 requests, I start seeing "This socket is closed" error. I have
verified that socket.on('close'/ 'end') was called only after this error is
printed.
So I am trying to understand who and why closed this socket and why the
socket.on close/ end was not called for the same?
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