diaspora/lib/diaspora/websocket.rb
2010-08-11 16:10:27 -07:00

43 lines
1.1 KiB
Ruby

module Diaspora
module WebSocket
def self.initialize_channels
@channels = {}
end
def self.push_to_user(uid, data)
Rails.logger.debug "Websocketing to #{uid}"
@channels[uid.to_s][0].push(data) if @channels[uid.to_s]
end
def self.subscribe(uid, ws)
Rails.logger.debug "Subscribing socket to #{User.first(:id => uid).email}"
self.ensure_channel(uid)
@channels[uid][0].subscribe{ |msg| ws.send msg }
@channels[uid][1] += 1
end
def self.ensure_channel(uid)
@channels[uid] ||= [EM::Channel.new, 0 ]
end
def self.unsubscribe(uid,sid)
Rails.logger.debug "Unsubscribing socket #{sid} from #{User.first(:id => uid).email}"
@channels[uid][0].unsubscribe(sid) if @channels[uid]
@channels[uid][1] -= 1
if @channels[uid][1] <= 0
@channels.delete(uid)
end
end
end
module Socketable
def socket_to_uid id
SocketsController.new.outgoing(id, self)
end
def unsocket_from_uid id
SocketsController.new.outgoing(id, Retraction.for(self))
end
end
end