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phab/support/aphlict/server/lib/AphlictClientServer.js
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AphlictClientServer.js
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'use strict';
var JX = require('./javelin').JX;
require('./AphlictListenerList');
require('./AphlictLog');
var url = require('url');
var util = require('util');
var WebSocket = require('ws');
JX.install('AphlictClientServer', {
construct: function(server) {
this.setLogger(new JX.AphlictLog());
this._server = server;
this._lists = {};
},
members: {
_server: null,
_lists: null,
getListenerList: function(path) {
if (!this._lists[path]) {
this._lists[path] = new JX.AphlictListenerList(path);
}
return this._lists[path];
},
listen: function() {
var self = this;
var server = this._server.listen.apply(this._server, arguments);
var wss = new WebSocket.Server({server: server});
wss.on('connection', function(ws) {
var path = url.parse(ws.upgradeReq.url).pathname;
var listener = self.getListenerList(path).addListener(ws);
function log() {
self.getLogger().log(
util.format('<%s>', listener.getDescription()) +
' ' +
util.format.apply(null, arguments));
}
log('Connected from %s.', ws._socket.remoteAddress);
ws.on('message', function(data) {
log('Received message: %s', data);
var message;
try {
message = JSON.parse(data);
} catch (err) {
log('Message is invalid: %s', err.message);
return;
}
switch (message.command) {
case 'subscribe':
log(
'Subscribed to: %s',
JSON.stringify(message.data));
listener.subscribe(message.data);
break;
case 'unsubscribe':
log(
'Unsubscribed from: %s',
JSON.stringify(message.data));
listener.unsubscribe(message.data);
break;
default:
log(
'Unrecognized command "%s".',
message.command || '<undefined>');
}
});
ws.on('close', function() {
self.getListenerList(path).removeListener(listener);
log('Disconnected.');
});
wss.on('close', function() {
self.getListenerList(path).removeListener(listener);
log('Disconnected.');
});
wss.on('error', function(err) {
log('Error: %s', err.message);
});
});
},
},
properties: {
logger: null,
}
});
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