Class: Falcon::Command::Serve

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

Instance Method Summary collapse

Instance Method Details

#client ⇒ Object 



88
89
90
 
# File 'lib/falcon/command/serve.rb', line 88

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

#client_endpoint ⇒ Object 



84
85
86
 
# File 'lib/falcon/command/serve.rb', line 84

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

#container_class ⇒ Object 



52
53
54
55
56
57
58
59
60
61
 
# File 'lib/falcon/command/serve.rb', line 52

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

#endpoint_options ⇒ Object 



69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/falcon/command/serve.rb', line 69

def endpoint_options
	# Oh, for Hash#slice(keys...)
	options = {}
	
	if @options[:hostname]
		options[:hostname] = @options[:hostname]
	end
	
	if @options[:port]
		options[:port] = @options[:port]
	end
	
	return options
end

#invoke(parent) ⇒ Object 



123
124
125
126
127
 
# File 'lib/falcon/command/serve.rb', line 123

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

#load_app(verbose) ⇒ Object 



63
64
65
66
67
 
# File 'lib/falcon/command/serve.rb', line 63

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

#run(verbose = false) ⇒ Object 



92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
 
# File 'lib/falcon/command/serve.rb', line 92

def run(verbose = false)
	app, _ = load_app(verbose)
	
	endpoint = Endpoint.parse(@options[:bind], **endpoint_options)
	
	bound_endpoint = Async::Reactor.run do
		Async::IO::SharedEndpoint.bound(endpoint)
	end.result
	
	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], name: "Falcon Server") do |task, instance|
		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, bound_endpoint, endpoint.protocol, endpoint.scheme)
		
		server.run
		
		task.children.each(&:wait)
	end
end