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Forked from joshuasiler/eventmachine.rb
Created November 17, 2011 16:13
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Initializer that allows EventMachine to run within Rails, and work with AMQP, Passenger, Thin and Capybara
require 'amqp'
module HiringThingEM
def self.start
if defined?(PhusionPassenger)
PhusionPassenger.on_event(:starting_worker_process) do |forked|
# for passenger, we need to avoid orphaned threads
if forked && EM.reactor_running?
EM.stop
end
Thread.new {
EM.run do
AMQP.channel ||= AMQP::Channel.new(AMQP.connect(:host=> Q_SERVER, :user=> Q_USER, :pass => Q_PASS, :vhost => Q_VHOST ))
end
}
die_gracefully_on_signal
end
else
# faciliates debugging
Thread.abort_on_exception = true
# just spawn a thread and start it up
Thread.new {
EM.run do
AMQP.channel ||= AMQP::Channel.new(AMQP.connect(:host=> Q_SERVER, :user=> Q_USER, :pass => Q_PASS, :vhost => Q_VHOST ))
end
} unless defined?(Thin)
# Thin is built on EventMachine, doesn't need this thread
end
end
def self.die_gracefully_on_signal
Signal.trap("INT") { EM.stop }
Signal.trap("TERM") { EM.stop }
end
end
HiringThingEM.start
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