# Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2010-2025 Asynchronous B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Asynchronous B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. module PhusionPassenger class << self @@event_starting_worker_process = [] @@event_stopping_worker_process = [] @@event_starting_request_handler_thread = [] @@event_credentials = [] @@event_after_installing_signal_handlers = [] @@event_oob_work = [] @@event_unhandled_exception_before_exit = [] @@advertised_concurrency_level = nil def on_event(name, &block) callback_list_for_event(name) << block end def call_event(name, *args) callback_list_for_event(name).each do |callback| callback.call(*args) end end # For backward compatibility def install_framework_extensions!(user_options = {}) end def advertised_concurrency_level @@advertised_concurrency_level end def advertised_concurrency_level=(value) @@advertised_concurrency_level = value end private def callback_list_for_event(name) return case name when :starting_worker_process @@event_starting_worker_process when :stopping_worker_process @@event_stopping_worker_process when :starting_request_handler_thread @@event_starting_request_handler_thread when :credentials @@event_credentials when :after_installing_signal_handlers @@event_after_installing_signal_handlers when :oob_work @@event_oob_work when :unhandled_exception_before_exit @@event_unhandled_exception_before_exit else raise ArgumentError, "Unknown event name '#{name}'" end end end end # module PhusionPassenger