Class: WebsocketGui::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/websocket-gui/base.rb

Constant Summary collapse

@@websocket_config =

class-level config, so you can wire your settings into your class These can also be provided when calling run!

{
  socket_port: 8080,
  socket_host: '127.0.0.1',
  http_port: 3000,
  http_host: '127.0.0.1',
  tick_interval: nil,
  view: :index,
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/websocket-gui/base.rb', line 25

def initialize(config = {})
  @websocket_config = @@websocket_config.merge(config)
end

Instance Attribute Details

#websocket_config ⇒ Object (readonly)

Returns the value of attribute websocket_config.



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# File 'lib/websocket-gui/base.rb', line 23

def websocket_config
  @websocket_config
end

Class Method Details

.method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/websocket-gui/base.rb', line 15

def self.method_missing(method, *args, &block)
  if block_given?
    @@websocket_config[method] = block
  else
    @@websocket_config[method] = args.first
  end
end

Instance Method Details

#run!(runtime_config = {}) ⇒ Object

start the socket server and the web server, and launch a browser to fetch the view from the web server



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# File 'lib/websocket-gui/base.rb', line 30

def run!(runtime_config = {})
  @websocket_config.merge! runtime_config

  EM.run do
    if @websocket_config[:tick_interval]
      EM.add_periodic_timer(@websocket_config[:tick_interval]) do
        socket_trigger(:on_tick, @socket_connected)
      end
    end

    EventMachine::WebSocket.run(host: @websocket_config[:socket_host], port: @websocket_config[:socket_port]) do |socket|
      @socket_active = socket
      socket.onopen do |handshake|
        @socket_connected = true
        socket_trigger(:on_socket_open, handshake)
      end

      socket.onmessage do |msg| 
        process_message(msg)
      end

      socket.onclose do 
        socket_trigger(:on_socket_close)
        @socket_connected = false 
      end
    end
   
    Launchy.open("http://#{@websocket_config[:http_host]}:#{@websocket_config[:http_port]}/")
    WebsocketGui::SinatraWrapper.view_path = @websocket_config[:view]
    WebsocketGui::SinatraWrapper.run!(
      port: @websocket_config[:http_port], 
      bind: @websocket_config[:http_host])
  end
end

#socket_close ⇒ Object 



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# File 'lib/websocket-gui/base.rb', line 69

def socket_close
  @socket_active.stop if @socket_connected
end

#socket_send(msg) ⇒ Object 



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# File 'lib/websocket-gui/base.rb', line 65

def socket_send(msg)
  @socket_active.send msg if @socket_connected
end