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# frozen_string_literal: true
require 'puma/server'
require 'puma/const'
module Puma
# Generic class that is used by `Puma::Cluster` and `Puma::Single` to
# serve requests. This class spawns a new instance of `Puma::Server` via
# a call to `start_server`.
class Runner
def initialize(cli, events)
@launcher = cli
@events = events
@options = cli.options
@app = nil
@control = nil
@started_at = Time.now
end
def daemon?
@options[:daemon]
end
def development?
@options[:environment] == "development"
end
def test?
@options[:environment] == "test"
end
def log(str)
@events.log str
end
def before_restart
@control.stop(true) if @control
end
def error(str)
@events.error str
end
def debug(str)
@events.log "- #{str}" if @options[:debug]
end
def start_control
str = @options[:control_url]
return unless str
require 'puma/app/status'
uri = URI.parse str
app = Puma::App::Status.new @launcher
if token = @options[:control_auth_token]
app.auth_token = token unless token.empty? || token == 'none'
end
control = Puma::Server.new app, @launcher.events
control.min_threads = 0
control.max_threads = 1
case uri.scheme
when "tcp"
log "* Starting control server on #{str}"
control.add_tcp_listener uri.host, uri.port
when "unix"
log "* Starting control server on #{str}"
path = "#{uri.host}#{uri.path}"
mask = @options[:control_url_umask]
control.add_unix_listener path, mask
else
error "Invalid control URI: #{str}"
end
control.run
@control = control
end
def ruby_engine
if !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby"
"ruby #{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}"
else
if defined?(RUBY_ENGINE_VERSION)
"#{RUBY_ENGINE} #{RUBY_ENGINE_VERSION} - ruby #{RUBY_VERSION}"
else
"#{RUBY_ENGINE} #{RUBY_VERSION}"
end
end
end
def output_header(mode)
min_t = @options[:min_threads]
max_t = @options[:max_threads]
log "Puma starting in #{mode} mode..."
log "* Version #{Puma::Const::PUMA_VERSION} (#{ruby_engine}), codename: #{Puma::Const::CODE_NAME}"
log "* Min threads: #{min_t}, max threads: #{max_t}"
log "* Environment: #{ENV['RACK_ENV']}"
if @options[:mode] == :tcp
log "* Mode: Lopez Express (tcp)"
end
end
def redirected_io?
@options[:redirect_stdout] || @options[:redirect_stderr]
end
def redirect_io
stdout = @options[:redirect_stdout]
stderr = @options[:redirect_stderr]
append = @options[:redirect_append]
if stdout
unless Dir.exist?(File.dirname(stdout))
raise "Cannot redirect STDOUT to #{stdout}"
end
STDOUT.reopen stdout, (append ? "a" : "w")
STDOUT.sync = true
STDOUT.puts "=== puma startup: #{Time.now} ==="
end
if stderr
unless Dir.exist?(File.dirname(stderr))
raise "Cannot redirect STDERR to #{stderr}"
end
STDERR.reopen stderr, (append ? "a" : "w")
STDERR.sync = true
STDERR.puts "=== puma startup: #{Time.now} ==="
end
end
def load_and_bind
unless @launcher.config.app_configured?
error "No application configured, nothing to run"
exit 1
end
# Load the app before we daemonize.
begin
@app = @launcher.config.app
rescue Exception => e
log "! Unable to load application: #{e.class}: #{e.message}"
raise e
end
@launcher.binder.parse @options[:binds], self
end
def app
@app ||= @launcher.config.app
end
def start_server
min_t = @options[:min_threads]
max_t = @options[:max_threads]
server = Puma::Server.new app, @launcher.events, @options
server.min_threads = min_t
server.max_threads = max_t
server.inherit_binder @launcher.binder
if @options[:mode] == :tcp
server.tcp_mode!
end
if @options[:early_hints]
server.early_hints = true
end
unless development? || test?
server.leak_stack_on_error = false
end
server
end
end
end
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