Socket IO events with description

socketevents.js

// emit to all sockets (aka publish)
// including yourself
io.sockets.emit('messageName', {thisIs: 'theMessage'});

// broadcast to a room (aka publish)
// excluding yourself, if you're in it
socket.broadcast.to('roomName').emit('messageName', {thisIs: 'theMessage'});

// emit to a room (aka publish)
// including yourself
io.sockets.in('roomName').emit('messageName', {thisIs: 'theMessage'});

// Join a room (aka subscribe)
// If you're in the room already, no problem, do nothing
// If the room doesn't exist yet, it gets created
socket.join('roomName');

// Leave a room (aka unsubscribe)
// If you're not in the room, no problem, do nothing
// If the room doesn't exist yet, no problem, do nothing
socket.leave('roomName');

// Get all connected sockets in the app
sails.io.sockets.clients();

// Get all conneted sockets in the room, "roomName"
sails.io.sockets.clients('roomName');