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#!/usr/bin/env ruby
#
# Copyright 2006 LogicBlaze Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'stomp'
#
# This simple script is inspired by the netcat utility. It allows you to receive
# data from a stomp destination and output it.
#
# Usage: stompcat (destination-name)
#
# Example: stompcat /topic/foo
# Would display output that arrives at the /topic/foo stomp destination
#
begin
@port = 61613
@host = "localhost"
@user = ENV["STOMP_USER"];
@password = ENV["STOMP_PASSWORD"]
@host = ENV["STOMP_HOST"] if ENV["STOMP_HOST"] != nil
@port = ENV["STOMP_PORT"] if ENV["STOMP_PORT"] != nil
@destination = "/topic/default"
@destination = $*[0] if $*[0] != nil
$stderr.print "Connecting to stomp://#{@host}:#{@port} as #{@user}\n"
@conn = Stomp::Connection.open(@user, @password, @host, @port, true)
$stderr.print "Getting output from #{@destination}\n"
@conn.subscribe(@destination, { :ack =>"client" })
while true
@msg = @conn.receive
$stdout.print @msg.body
$stdout.flush
@conn.ack @msg.headers["message-id"]
end
rescue
end
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