Class: Falcon::Command::Serve

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

Overview

Implements the ‘falcon serve` command. Designed for development.

Manages a Falcon::Controller::Serve instance which is responsible for running applications in a development environment.

Instance Method Summary collapse

Instance Method Details

#cache? ⇒ Boolean

Whether to enable the application HTTP cache.

Returns:

  • (Boolean) 


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# File 'lib/falcon/command/serve.rb', line 91

def cache?
	@options[:cache]
end

#call ⇒ Object

Prepare the environment and run the controller.



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# File 'lib/falcon/command/serve.rb', line 135

def call
	Async.logger.info(self) do |buffer|
		buffer.puts "Falcon v#{VERSION} taking flight! Using #{self.container_class} #{self.container_options}."
		buffer.puts "- Binding to: #{self.endpoint}"
		buffer.puts "- To terminate: Ctrl-C or kill #{Process.pid}"
		buffer.puts "- To reload configuration: kill -HUP #{Process.pid}"
	end
	
	if path = @options[:preload]
		full_path = File.expand_path(path)
		load(full_path)
	end
	
	begin
		Bundler.require(:preload)
	rescue Bundler::GemfileNotFound
		# Ignore.
	end
	
	if GC.respond_to?(:compact)
		GC.compact
	end
	
	self.controller.run
end

#client ⇒ Object

Create a new client suitable for accessing the application.



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# File 'lib/falcon/command/serve.rb', line 125

def client
	Async::HTTP::Client.new(client_endpoint)
end

#client_endpoint ⇒ Object

The endpoint suitable for a client to connect.



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# File 'lib/falcon/command/serve.rb', line 120

def client_endpoint
	Async::HTTP::Endpoint.parse(@options[:bind], **endpoint_options)
end

#container_class ⇒ Object

The container class to use.



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# File 'lib/falcon/command/serve.rb', line 72

def container_class
	case @options[:container]
	when :threaded
		return Async::Container::Threaded
	when :forked
		return Async::Container::Forked
	when :hybrid
		return Async::Container::Hybrid
	end
end

#container_options ⇒ Object

Options for the container. See Falcon::Controller::Serve#setup.



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# File 'lib/falcon/command/serve.rb', line 105

def container_options
	@options.slice(:count, :forks, :threads)
end

#controller ⇒ Object

Prepare a new controller for the command.



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# File 'lib/falcon/command/serve.rb', line 130

def controller
	Controller::Serve.new(self)
end

#endpoint ⇒ Object

The endpoint to bind to.



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# File 'lib/falcon/command/serve.rb', line 115

def endpoint
	Endpoint.parse(@options[:bind], **endpoint_options)
end

#endpoint_options ⇒ Object

Options for the #endpoint.



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# File 'lib/falcon/command/serve.rb', line 110

def endpoint_options
	@options.slice(:hostname, :port, :reuse_port, :timeout)
end

#load_app ⇒ Object

Load the rack application from the specified configuration path.



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# File 'lib/falcon/command/serve.rb', line 97

def load_app
	rack_app, _ = Rack::Builder.parse_file(@options[:config])
	
	return Server.middleware(rack_app, verbose: self.verbose?, cache: self.cache?)
end

#verbose? ⇒ Boolean

Whether verbose logging is enabled.

Returns:

  • (Boolean) 


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# File 'lib/falcon/command/serve.rb', line 85

def verbose?
	@parent&.verbose?
end