Class: Heroku::Forward::Proxy::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/heroku/forward/proxy/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(backend, options = {}) ⇒ Server

Returns a new instance of Server.



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# File 'lib/heroku/forward/proxy/server.rb', line 9

def initialize(backend, options = {})
  @host = options[:host] || '0.0.0.0'
  @port = options[:port] || 3000
  @retries = options[:retries] || 10
  @backend = backend
end

Instance Attribute Details

#backend ⇒ Object (readonly)

Returns the value of attribute backend.



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# File 'lib/heroku/forward/proxy/server.rb', line 6

def backend
  @backend
end

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/heroku/forward/proxy/server.rb', line 6

def host
  @host
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/heroku/forward/proxy/server.rb', line 7

def logger
  @logger
end

#port ⇒ Object (readonly)

Returns the value of attribute port.



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# File 'lib/heroku/forward/proxy/server.rb', line 6

def port
  @port
end

#retries ⇒ Object (readonly)

Returns the value of attribute retries.



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# File 'lib/heroku/forward/proxy/server.rb', line 6

def retries
  @retries
end

#start ⇒ Object (readonly)

Returns the value of attribute start.



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# File 'lib/heroku/forward/proxy/server.rb', line 6

def start
  @start
end

Instance Method Details

#forward!(options = {}) ⇒ Object 



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# File 'lib/heroku/forward/proxy/server.rb', line 24

def forward!(options = {})

  @start = Time.now

  logger.info "Launching Backend ..." if logger

  backend.spawn!

  if options[:delay] && (delay = options[:delay].to_i) > 0
    logger.info "Waiting #{delay}s to Launch Proxy Server ..." if logger
    sleep delay
  end

  logger.info "Launching Proxy Server at #{host}:#{port} ..." if logger

  s = self
  ::Proxy.start({ :host => host, :port => port, :debug => false }) do |conn|
    if @start
      EM.next_tick do
        s.send(:connect, conn)
      end
    else
      s.send(:connect, conn)
    end

    conn.on_connect do
      s.on_connect
    end

    conn.on_data do |data|
      data
    end

    conn.on_response do |backend, resp|
      resp
    end

    conn.on_finish do
    end
  end

end

#on_connect(&callback) ⇒ Object 



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# File 'lib/heroku/forward/proxy/server.rb', line 16

def on_connect(&callback)
  if block_given?
    @on_connect = callback
  elsif @on_connect
    @on_connect.call
  end
end

#stop! ⇒ Object 



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# File 'lib/heroku/forward/proxy/server.rb', line 67

def stop!
  logger.info "Terminating Proxy Server" if logger
  EventMachine.stop
  logger.info "Terminating Web Server" if logger
  backend.terminate!
end