osrm-backend/features/support/launch.rb
2012-12-16 20:51:19 +01:00

83 lines
1.3 KiB
Ruby

require 'socket'
require 'open3'
LAUNCH_TIMEOUT = 2
SHUTDOWN_TIMEOUT = 2
class OSRMLauncher
def initialize &block
Dir.chdir TEST_FOLDER do
begin
launch
yield
ensure
shutdown
end
end
end
private
def launch
Timeout.timeout(LAUNCH_TIMEOUT) do
osrm_up
wait_for_connection
end
rescue Timeout::Error
raise "*** Launching osrm-routed timed out."
end
def shutdown
Timeout.timeout(SHUTDOWN_TIMEOUT) do
osrm_down
end
rescue Timeout::Error
kill
raise "*** Shutting down osrm-routed timed out."
end
def osrm_up?
if @pid
`ps -o state -p #{@pid}`.split[1].to_s =~ /^[DRST]/
else
false
end
end
def osrm_up
return if osrm_up?
@pid = Process.spawn(['../osrm-routed',''],:out=>'osrm-routed.log', :err=>'osrm-routed.log')
end
def osrm_down
if @pid
Process.kill 'TERM', @pid
wait_for_shutdown
end
end
def kill
if @pid
Process.kill 'KILL', @pid
end
end
def wait_for_connection
while true
begin
socket = TCPSocket.new('localhost', OSRM_PORT)
return
rescue Errno::ECONNREFUSED
sleep 0.1
end
end
end
def wait_for_shutdown
while osrm_up?
sleep 0.1
end
end
end