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Contents
# frozen_string_literal: true
module Puma
# This is an event sink used by `Puma::Server` to handle
# lifecycle events such as :on_booted, :on_restart, and :on_stopped.
# Using `Puma::DSL` it is possible to register callback hooks
# for each event type.
class Events
def initialize
@hooks = Hash.new { |h,k| h[k] = [] }
end
# Fire callbacks for the named hook
def fire(hook, *args)
@hooks[hook].each { |t| t.call(*args) }
end
# Register a callback for a given hook
def register(hook, obj=nil, &blk)
if obj and blk
raise "Specify either an object or a block, not both"
end
h = obj || blk
@hooks[hook] << h
h
end
def on_booted(&block)
register(:on_booted, &block)
end
def on_restart(&block)
register(:on_restart, &block)
end
def on_stopped(&block)
register(:on_stopped, &block)
end
def fire_on_booted!
fire(:on_booted)
end
def fire_on_restart!
fire(:on_restart)
end
def fire_on_stopped!
fire(:on_stopped)
end
end
end
Version data entries
33 entries across 33 versions & 3 rubygems