Class: WebsocketGui::Base

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

Constant Summary collapse

@@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 = {})
	@config = @@config.merge(config)
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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

def config
  @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?
		@@config[method] = block
	else
		@@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 = {})
	@config.merge! runtime_config

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

		EventMachine::WebSocket.run(host: @config[:socket_host], port: @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://#{@config[:http_host]}:#{@config[:http_port]}/")
		WebsocketGui::SinatraWrapper.view_path = @config[:view]
		WebsocketGui::SinatraWrapper.run!(
			port: @config[:http_port], 
			bind: @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