| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| $:.unshift File.join(File.dirname(__FILE__), "..", "lib") |
| |
| require 'qpid' |
| require 'optparse' |
| |
| options = { |
| :broker => "localhost", |
| :timeout => Qpid::Messaging::Duration::IMMEDIATE, |
| :count => 1, |
| :forever => false, |
| :connection_options => "" |
| } |
| |
| opts = OptionParser.new do |opts| |
| opts.banner = "Usage: drain.rb [OPTIONS] ADDRESS" |
| |
| opts.separator "" |
| opts.separator "Drains messages from the specified address" |
| opts.separator "" |
| |
| opts.on("-h", "--help", |
| "show this message") do |
| puts opts |
| exit |
| end |
| |
| opts.on("-b", "--broker VALUE", |
| "url of broker to connect to") do |broker| |
| options[:broker] = broker |
| end |
| |
| opts.on("-t", "--timeout VALUE", Integer, |
| "timeout in seconds to wait before exiting") do |timeout| |
| options[:timeout] = Qpid::Messaging::Duration.new timeout * 1000 |
| end |
| |
| opts.on("-f", "--forever", |
| "ignore timeout and wait forever") do |
| options[:forever] = true |
| end |
| |
| opts.on("--connection-options VALUE", |
| "connection options string in the form {name1:value,name2:value2}") do |conopts| |
| options[:connection_options] = conopts |
| end |
| |
| opts.on("-c", "--count VALUE", Integer, |
| "number of messages to read before exiting") do |count| |
| options[:count] = count |
| end |
| end |
| |
| opts.parse!(ARGV) |
| |
| options[:address] = ARGV[0] || "" |
| |
| connection = Qpid::Messaging::Connection.new options[:broker], options[:connection_options] |
| connection.open |
| |
| def render_map map |
| print "{" |
| map.keys.sort.each_with_index {|key,index| print "#{index > 0 ? ', ' : ''}#{key}:#{map[key]}"} |
| print "}" |
| end |
| |
| begin |
| session = connection.create_session |
| receiver = session.create_receiver options[:address] |
| done = false |
| count = 0 |
| options[:timeout] = Qpid::Messaging::Duration::FOREVER if options[:forever] |
| |
| while !done && (count < options[:count]) |
| message = receiver.fetch(options[:timeout]) |
| print "Message(properties=" |
| render_map message.properties |
| print ", content=" |
| if message.content_type == "amqp/map" |
| print "'#{render_map message.content}')" |
| else |
| print "'#{message.content}'" |
| end |
| print ")\n" |
| session.acknowledge message |
| count += 1 |
| end |
| rescue Exception => error |
| puts "Exception: #{error.to_s}" |
| end |
| |
| connection.close |
| |