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ebcab8edb6
Summary: Fixes T7130. Fixes T7041. Fixes T7012. Major change here is partitioning clients. In the Phacility cluster, being able to get a huge pile of instances on a single server -- without needing to run a process per instance -- is desirable. To accomplish this, just bucket clients by the path they connect with. This will let us set client URIs to `/instancename/` and then route connections to a small set of servers. This degrades cleanly in the common case and has no effect on installs which don't do instancing. Also fix two unrelated issues: - Fix the timeouts, which were incorrectly initializing in `open()` (which is called during reconnect, causing them to reset every time). Instead, initialize in the constructor. Cap timeout at 5 minutes. - Probably fix subscriptions, which were using a property with an object definition. Since this is by-ref, all concrete instances of the object share the same property, so all users would be subscribed to everything. Probably. Test Plan: - Hit notification status page, saw version bump and instance/path name. - Saw instance/path name in client and server logs. - Stopped server, saw reconnects after 2, 4, 16, ... seconds. - Sent test notification; received test notification. - Didn't explicitly test the subscription thing but it should be obvious by looking at `/notification/status/` shortly after a push. Reviewers: joshuaspence, btrahan Reviewed By: btrahan Subscribers: epriestley Maniphest Tasks: T7041, T7012, T7130 Differential Revision: https://secure.phabricator.com/D11769
106 lines
2.5 KiB
JavaScript
106 lines
2.5 KiB
JavaScript
'use strict';
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var JX = require('./javelin').JX;
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require('./AphlictListenerList');
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require('./AphlictLog');
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var url = require('url');
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var util = require('util');
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var WebSocket = require('ws');
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JX.install('AphlictClientServer', {
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construct: function(server) {
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this.setLogger(new JX.AphlictLog());
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this._server = server;
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this._lists = {};
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},
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members: {
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_server: null,
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_lists: null,
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getListenerList: function(path) {
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if (!this._lists[path]) {
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this._lists[path] = new JX.AphlictListenerList(path);
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}
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return this._lists[path];
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},
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listen: function() {
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var self = this;
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var server = this._server.listen.apply(this._server, arguments);
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var wss = new WebSocket.Server({server: server});
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wss.on('connection', function(ws) {
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var path = url.parse(ws.upgradeReq.url).pathname;
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var listener = self.getListenerList(path).addListener(ws);
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function log() {
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self.getLogger().log(
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util.format('<%s>', listener.getDescription()) +
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' ' +
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util.format.apply(null, arguments));
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}
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log('Connected from %s.', ws._socket.remoteAddress);
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ws.on('message', function(data) {
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log('Received message: %s', data);
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var message;
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try {
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message = JSON.parse(data);
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} catch (err) {
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log('Message is invalid: %s', err.message);
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return;
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}
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switch (message.command) {
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case 'subscribe':
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log(
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'Subscribed to: %s',
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JSON.stringify(message.data));
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listener.subscribe(message.data);
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break;
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case 'unsubscribe':
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log(
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'Unsubscribed from: %s',
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JSON.stringify(message.data));
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listener.unsubscribe(message.data);
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break;
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default:
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log(
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'Unrecognized command "%s".',
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message.command || '<undefined>');
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}
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});
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ws.on('close', function() {
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self.getListenerList(path).removeListener(listener);
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log('Disconnected.');
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});
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wss.on('close', function() {
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self.getListenerList(path).removeListener(listener);
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log('Disconnected.');
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});
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wss.on('error', function(err) {
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log('Error: %s', err.message);
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});
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});
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},
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},
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properties: {
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logger: null,
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}
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});
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