Working gateway
Change-Id: I8ca690fe9d1b7f8e20b438df1ddd48d6b2f99326
diff --git a/src/controllers/clients.js b/src/controllers/clients.js
new file mode 100644
index 0000000..26270bc
--- /dev/null
+++ b/src/controllers/clients.js
@@ -0,0 +1,18 @@
+(function () {
+ 'use strict';
+ const _ = require('lodash');
+ const clients = [];
+
+ exports.clients = clients;
+
+ exports.add = (client) => {
+ // TODO check id that client is already there
+ if(!_.find(clients, ({id: client.id}))) {
+ clients.push(client);
+ }
+ }
+
+ exports.remove = (client) => {
+ _.remove(clients, {id: client.id});
+ }
+})();
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diff --git a/src/controllers/redis.js b/src/controllers/redis.js
new file mode 100644
index 0000000..0277cab
--- /dev/null
+++ b/src/controllers/redis.js
@@ -0,0 +1,57 @@
+(function () {
+ 'use strict';
+
+ const socketIo = require('./websocket.js');
+ const config = require('../config/config.js').redis;
+ const logger = require('../config/logger.js');
+ const socket = socketIo.get();
+
+ var redis = require('redis');
+ var client = redis.createClient({
+ host: config.host,
+ port: config.port
+ });
+
+ client.on('error', function (err) {
+ logger.log('error', err);
+ });
+
+ client.on('ready', function () {
+ logger.log('info', 'Redis connected');
+ });
+
+ client.on('subscribe', function (channel) {
+ logger.log('debug', `Subscribed to channel: ${channel}`);
+ });
+
+ client.on('message', function (channel, message) {
+ logger.log('debug', 'sub channel ' + channel + ': ' + message);
+
+ let msg;
+ try {
+ msg = JSON.parse(message);
+ // TODO find the user that needs to be notified for msg.object update
+ socket.emit('event', {model: channel, msg: msg});
+ }
+ catch(e) {
+ // send the event also if it is not JSON
+ msg = message;
+ socket.emit('event', {model: channel, msg: msg});
+ }
+
+ });
+
+ const watchedCollections = [
+ 'Instance',
+ 'Node',
+ 'Service',
+ 'Slice',
+ 'Site',
+ 'Subscriber',
+ 'Tenant'
+ ];
+
+ watchedCollections.forEach(c => {
+ client.subscribe(c);
+ });
+})();
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diff --git a/src/controllers/websocket.js b/src/controllers/websocket.js
new file mode 100644
index 0000000..e048419
--- /dev/null
+++ b/src/controllers/websocket.js
@@ -0,0 +1,39 @@
+(function () {
+ 'use strict';
+
+ const clients = require('./clients.js');
+ const logger = require('../config/logger.js');
+
+ let io;
+
+ exports.create = function(server) {
+ // INSTANTIATE SOCKET.IO
+ // =============================================================================
+
+ io = require('socket.io').listen(server);
+
+ // LISTEN TO "CONNECTION" EVENT (FROM SOCKET.IO)
+ // =============================================================================
+
+ io.on('connection', function (socket) {
+ logger.log('debug', 'connect %j', socket.handshake.query);
+ clients.add(socket.handshake.query);
+
+ socket.emit('connected', {message : 'Welcome to XOS'});
+
+ socket.on('disconnect', function(reason) {
+ clients.remove(socket.handshake.query);
+ logger.log('debug', 'disconnect %s %j', reason, socket.handshake.query);
+ });
+ });
+
+ };
+
+ exports.get = () => io;
+
+ // USAGE
+ // const socketIo = require('./controllers/websocket.js');
+ // const socket = socketIo.get();
+ // socket.emit('eventName', data);
+
+})();
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