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Minor server performance improvements

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This commit is contained in:
Robin Linus 2015-12-28 05:58:49 +01:00
parent dc050dc41e
commit bd3103a2fe
1 changed files with 20 additions and 16 deletions
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36
server/ws-server.js
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@ -31,17 +31,32 @@ exports.create = function(server) {
type: ua.device.type
};
}
function hash(text) {
// A string hashing function based on Daniel J. Bernstein's popular 'times 33' hash algorithm.
var h = 5381,
index = text.length;
while (index) {
h = (h * 33) ^ text.charCodeAt(--index);
}
return h >>> 0;
}
function getIP(socket) {
return socket.upgradeReq.headers['x-forwarded-for'] || socket.upgradeReq.connection.remoteAddress;
}
// Wait for new user connections
bs.on('connection', function(client) {
console.log('connection received!', client._socket.upgradeReq.connection.remoteAddress);
//console.log('connection received!', client._socket.upgradeReq.connection.remoteAddress);
client.uuidRaw = guid();
//ip is hashed to prevent injections by spoofing the 'x-forwarded-for' header
client.hashedIp = hash(getIP(client._socket));
client.deviceName = getDeviceName(client._socket.upgradeReq);
// Incoming stream from browsers
client.on('stream', function(stream, meta) {
console.log('stream received!', meta);
if (meta && meta.serverMsg === 'rtc-support') {
client.uuid = (meta.rtc ? 'rtc_' : '') + client.uuidRaw;
client.send({
@ -75,26 +90,15 @@ exports.create = function(server) {
}
}
function getIP(socket) {
return socket.upgradeReq.headers['x-forwarded-for'] || socket.upgradeReq.connection.remoteAddress;
}
function hash(text) {
// A string hashing function based on Daniel J. Bernstein's popular 'times 33' hash algorithm.
var h = 5381,
index = text.length;
while (index) {
h = (h * 33) ^ text.charCodeAt(--index);
}
return h >>> 0;
}
function notifyBuddiesX() {
var locations = {};
//group all clients by location (by public ip address)
forEachClient(function(client) {
//ip is hashed to prevent injections by spoofing the 'x-forwarded-for' header
var ip = hash(getIP(client._socket));
var ip = client.hashedIp;
locations[ip] = locations[ip] || [];
locations[ip].push({
socket: client,