#!/usr/bin/env ruby
#
#  test-notifier.rb: Dump all messages received from notifier.
#
#  Copyright (C) 2011 VMware, Inc.
# 
#  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.

require 'ffi-rzmq'

trap("INT") { exit }
trap("TERM") { exit }
def raise_if_error(rc)
  unless ZMQ::Util.resultcode_ok?(rc)
    raise "ZMQ Error: #{ZMQ::Util.error_string}"
  end
end

unless ARGV[0]
  print "usage: test-notifier.rb <notifier-host>\n"
  exit 1
end

notifier_ep = "tcp://#{ARGV[0]}:7771"

ctx = ZMQ::Context.new()
notifier_sock = ctx.socket(ZMQ::SUB)
rc = notifier_sock.setsockopt(ZMQ::SUBSCRIBE, '')
raise_if_error(rc)
rc = notifier_sock.connect(notifier_ep)
raise_if_error(rc)

msg = ''
loop do
  rc = notifier_sock.recv_string(msg, 0)
  raise_if_error(rc)
  print "[#{Time.now}] #{msg}\n"
end