100 lines
2.4 KiB
Crystal
100 lines
2.4 KiB
Crystal
require "http"
|
|
require "json"
|
|
require "uri"
|
|
require "tempfile"
|
|
require "./kemal/*"
|
|
require "./kemal/ext/*"
|
|
require "./kemal/helpers/*"
|
|
|
|
module Kemal
|
|
# Overload of `self.run` with the default startup logging.
|
|
def self.run(port : Int32?)
|
|
self.run(port) { }
|
|
end
|
|
|
|
# Overload of `self.run` without port.
|
|
def self.run
|
|
self.run(nil)
|
|
end
|
|
|
|
# Overload of `self.run` to allow just a block.
|
|
def self.run(&block)
|
|
self.run nil, &block
|
|
end
|
|
|
|
# The command to run a `Kemal` application.
|
|
#
|
|
# If *port* is not given Kemal will use `Kemal::Config#port`
|
|
def self.run(port : Int32? = nil, &block)
|
|
Kemal::CLI.new
|
|
config = Kemal.config
|
|
config.setup
|
|
config.port = port if port
|
|
|
|
unless Kemal.config.error_handlers.has_key?(404)
|
|
error 404 do
|
|
render_404
|
|
end
|
|
end
|
|
|
|
# Test environment doesn't need to have signal trap, built-in images, and logging.
|
|
unless config.env == "test"
|
|
Signal::INT.trap do
|
|
log "Kemal is going to take a rest!" if config.shutdown_message
|
|
Kemal.stop
|
|
exit
|
|
end
|
|
|
|
# This route serves the built-in images for not_found and exceptions.
|
|
get "/__kemal__/404.png" do |env|
|
|
file_path = File.expand_path("lib/kemal/images/404.png", Dir.current)
|
|
|
|
if File.exists? file_path
|
|
send_file env, file_path
|
|
else
|
|
halt env, 404
|
|
end
|
|
end
|
|
end
|
|
|
|
server = config.server ||= HTTP::Server.new(config.handlers)
|
|
|
|
{% if !flag?(:without_openssl) %}
|
|
config.server.not_nil!.tls = config.ssl
|
|
{% end %}
|
|
|
|
config.running = true
|
|
|
|
yield config
|
|
|
|
# Abort if block called `Kemal.stop`
|
|
return unless config.running
|
|
|
|
unless server.each_address { |_| break true }
|
|
server.bind_tcp(config.host_binding, config.port)
|
|
end
|
|
|
|
display_startup_message(config, server)
|
|
|
|
server.listen unless config.env == "test"
|
|
end
|
|
|
|
def self.display_startup_message(config, server)
|
|
addresses = server.addresses.map { |address| "#{config.scheme}://#{address}" }.join ", "
|
|
log "[#{config.env}] Kemal is ready to lead at #{addresses}"
|
|
end
|
|
|
|
def self.stop
|
|
if config.running
|
|
if server = config.server
|
|
server.close unless server.closed?
|
|
config.running = false
|
|
else
|
|
raise "Kemal.config.server is not set. Please use Kemal.run to set the server."
|
|
end
|
|
else
|
|
raise "Kemal is already stopped."
|
|
end
|
|
end
|
|
end
|