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Contents
# encoding: ascii-8bit
# Copyright 2017 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
# This file implements an example background task
require 'cosmos/tools/cmd_tlm_server/background_task'
module Cosmos
# Starts by sleeping 5 seconds then sends up to three collect commands
class ExampleBackgroundTask < BackgroundTask
def initialize
super()
@name = 'Example Background Task'
# Create Sleeper here in case the task is stopped before call is executed
@sleeper = Sleeper.new
end
def call
sent_count = 0
@sleeper = Sleeper.new
@status = "Sleeping for 5 seconds"
return if @sleeper.sleep(5) # allow interfaces time to start
initial_count = tlm('INST', 'HEALTH_STATUS', 'COLLECTS')
loop do
# Start up with at least 3 collects
count = tlm('INST', 'HEALTH_STATUS', 'COLLECTS')
if (count < (initial_count + 3))
begin
cmd('INST', 'COLLECT', 'TYPE' => 'NORMAL', 'DURATION' => 1)
sent_count += 1
@status = "Sent COLLECT ##{sent_count} at #{Time.now.sys.formatted}"
wait("INST HEALTH_STATUS COLLECTS > #{count}", 5)
@status = "Tlm Updated at #{Time.now.sys.formatted}"
rescue
# Oh well - probably disconnected
end
else
break
end
return if @sleeper.sleep(1)
end
@status = "Finished at #{Time.now.sys.formatted}"
end
def stop
@sleeper.cancel
@status = "Stopped at #{Time.now.sys.formatted}"
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems