Class: Falcon::Command::Serve

Inherits:
Samovar::Command
  • Object
show all
Defined in:
lib/falcon/command/serve.rb

Instance Method Summary collapse

Instance Method Details

#container_class ⇒ Object 



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# File 'lib/falcon/command/serve.rb', line 51

def container_class
  case @options[:container]
  when :threaded
    require 'async/container/threaded'
    return Async::Container::Threaded
  when :forked
    require 'async/container/forked'
    return Async::Container::Forked
  end
end

#invoke(parent) ⇒ Object 



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# File 'lib/falcon/command/serve.rb', line 113

def invoke(parent)
  container = run(parent.verbose?)
  
  container.wait
end

#load_app(verbose) ⇒ Object 



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# File 'lib/falcon/command/serve.rb', line 62

def load_app(verbose)
  rack_app, options = Rack::Builder.parse_file(@options[:config])
  
  app = Async::HTTP::Middleware.build do
    if verbose
      use Verbose
    end
    
    use Async::HTTP::ContentEncoding
    use Adapters::Rewindable
    use Adapters::Rack
    
    run rack_app
  end
  
  return app, options
end

#run(verbose) ⇒ Object 



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# File 'lib/falcon/command/serve.rb', line 80

def run(verbose)
  app, options = load_app(verbose)
  
  endpoint = nil
  
  Async::Reactor.run do
    endpoint = Async::IO::SharedEndpoint.bound(
      Async::IO::Endpoint.parse(@options[:bind], reuse_port: true)
    )
  end
  
  Async.logger.info "Falcon taking flight! Binding to #{endpoint} [#{container_class} with concurrency: #{@options[:concurrency]}]"
  
  debug_trap = Async::IO::Trap.new(:USR1)
  
  container_class.new(concurrency: @options[:concurrency]) do |task|
    task.async do
      debug_trap.install!
      Async.logger.info "Send `kill -USR1 #{Process.pid}` for detailed status :)"
      
      debug_trap.trap do
        task.reactor.print_hierarchy($stderr)
      end
    end
    
    server = Falcon::Server.new(app, endpoint)
    
    server.run
    
    task.children.each(&:wait)
  end
end