Class: Shove::Client::Connection

Inherits:
Object
  • Object
show all
Includes:
Protocol
Defined in:
lib/shove/client/connection.rb

Constant Summary

Constants included from Protocol

Protocol::AUTHORIZE, Protocol::AUTHORIZE_COMPLETE, Protocol::AUTHORIZE_DENIED, Protocol::CONNECT, Protocol::CONNECT_DENIED, Protocol::CONNECT_GRANTED, Protocol::DENY_CONNECT, Protocol::DENY_CONTROL, Protocol::DENY_PUBLISH, Protocol::DENY_SUBSCRIBE, Protocol::DISCONNECT, Protocol::DISCONNECT_COMPLETE, Protocol::ERROR, Protocol::GRANT_CONNECT, Protocol::GRANT_CONTROL, Protocol::GRANT_PUBLISH, Protocol::GRANT_SUBSCRIBE, Protocol::LOG, Protocol::LOG_DENIED, Protocol::LOG_STARTED, Protocol::PRESENCE_LIST, Protocol::PRESENCE_SUBSCRIBED, Protocol::PRESENCE_UNSUBSCRIBED, Protocol::PUBLISH, Protocol::PUBLISH_DENIED, Protocol::PUBLISH_GRANTED, Protocol::SUBSCRIBE, Protocol::SUBSCRIBE_DENIED, Protocol::SUBSCRIBE_GRANTED, Protocol::UNSUBSCRIBE, Protocol::UNSUBSCRIBE_COMPLETE

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, id) ⇒ Connection

Create a Publisher app the app



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# File 'lib/shove/client/connection.rb', line 11

def initialize app, id
  @id = id
  @app = app
  @parser = Yajl::Parser.new(:symbolize_keys => true)
  @config = app.config
  @hosts = app.hosts
  @channels = {}
  @events = {}
  @queue = []
  @forcedc = false
  @connected = false
end

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/shove/client/connection.rb', line 7

def id
  @id
end

#socket ⇒ Object

Returns the value of attribute socket.



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# File 'lib/shove/client/connection.rb', line 7

def socket
  @socket
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/shove/client/connection.rb', line 7

def url
  @url
end

Instance Method Details

#authorize(app_key = nil) ⇒ Object 



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# File 'lib/shove/client/connection.rb', line 24

def authorize app_key=nil
  send_data :opcode => AUTHORIZE, :data => (app_key || @config.app_key)
end

#channel(name) ⇒ Object

Fetch a channel name the name of the channel



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# File 'lib/shove/client/connection.rb', line 81

def channel name
  unless @channels.key?(name)
    @channels[name] = Channel.new(name, self)
    if name != "direct"
      @channels[name].subscribe
    end
  end
  @channels[name]
end

#connect ⇒ Object

Connect to the shove stream server



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# File 'lib/shove/client/connection.rb', line 35

def connect

  if @connected
    return
  end

  @socket = EM::WebSocketClient.new(url)
  @socket.onopen do
    @connected = true
    send_data :opcode => CONNECT, :data => @id
    until @queue.empty? do
      send_data @queue.shift
    end
  end
  
  @socket.onmessage do |m|
    process Yajl::Parser.parse(m)
  end

  @socket.onclose do
    @connected = false
    unless @forcedc
      reconnect
    end
  end
end

#debug(on = true) ⇒ Object

Enable or disable debugging on true to enable debugging



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# File 'lib/shove/client/connection.rb', line 30

def debug on=true
  @debug = on
end

#disconnect ⇒ Object

Disconnect form the server



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# File 'lib/shove/client/connection.rb', line 63

def disconnect
  @forcedc = true
  @socket.disconnect
end

#on(event, &block) ⇒ Object

Bind to events for a given channel. channel the channel name to subscribe to event the event name to bind to block the block which is called when a message is received



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# File 'lib/shove/client/connection.rb', line 72

def on event, &block
  unless @events.key?(event)
    @events[event] = []
  end
  @events[event] << block
end

#send_data(data) ⇒ Object 



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# File 'lib/shove/client/connection.rb', line 103

def send_data data
  if @connected
    @socket.send_data(Yajl::Encoder.encode(data))
  else
    @queue << data
  end
end