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#!/usr/bin/env perl
#
# 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.
#
use strict;
use warnings;
use qpid;
use Getopt::Long;
use Pod::Usage;
my $url = "127.0.0.1";
my $timeout = 0;
my $forever = 0;
my $count = 0;
my $connectionOptions = "";
my $address = "amq.direct";
my $help;
my $result = GetOptions(
"broker|b=s" => \ $url,
"timeout|t=i" => \ $timeout,
"forever|f" => \ $forever,
"connection-options=s" => \ $connectionOptions,
"count|c=i" => \ $count,
"help|h" => \ $help
) || pod2usage(-verbose => 0);
pod2usage(-verbose => 1) if $help;
if ($#ARGV ge 0) {
$address = $ARGV[0]
}
sub getTimeout {
return ($forever) ? qpid::messaging::Duration::FOREVER : new qpid::messaging::Duration($timeout*1000);
}
sub printProperties {
my $h = shift();
return qq[{${\(join', ',map"'$_': '$h->{$_}'",keys%$h)}}]
}
my $connection = new qpid::messaging::Connection($url, $connectionOptions);
eval {
$connection->open();
my $session = $connection->create_session();
my $receiver = $session->create_receiver($address);
my $timeout = getTimeout();
my $message = new qpid::messaging::Message();
my $i = 0;
for (;;) {
eval {
$message = $receiver->fetch($timeout);
};
if ($@) {
last;
}
my $redelivered = ($message->get_redelivered) ? "redelivered=True, " : "";
print "Message(" . $redelivered . "properties=" . printProperties($message->get_properties()) . ", content='";
if ($message->get_content_type() eq "amqp/map") {
my $content = qpid::messaging::decode_map($message);
map{ print "\n$_ => $content->{$_}"; } keys %{$content};
}
else {
print $message->get_content();
}
print "')\n";
my $replyto = $message->get_reply_to();
if ($replyto->get_name()) {
print "Replying to " . $message->get_reply_to()->str() . "...\n";
my $sender = $session->create_sender($replyto);
my $response = new qpid::messaging::Message("received by the server.");
$sender->send($response);
}
$session->acknowledge();
if ($count and (++$i ==$count)) {
last;
}
}
$receiver->close();
$session->close();
$connection->close();
};
if ($@) {
$connection->close();
die $@;
}
__END__
=head1 NAME
drain - Drains messages from the specified address
=head1 SYNOPSIS
Options:
-h, --help show this message
-b VALUE, --broker VALUE url of broker to connect to
-t VALUE, --timeout VALUE timeout in seconds to wait before exiting
-f, --forever ignore timeout and wait forever
--connection-options VALUE connection options string in the form {name1:value1, name2:value2}
-c VALUE, --count VALUE number of messages to read before exiting
=cut
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