rabbitmq模式 topics

rabbitmq模式 topics

emit_log_topic.php

<?php

require_once __DIR__ . '/../../vendor/autoload.php';
use PhpAmqpLib\Connection\AMQPStreamConnection;
use PhpAmqpLib\Message\AMQPMessage;

$connection = new AMQPStreamConnection('localhost', 5672, 'admin', 'admin','vhost1');
$channel = $connection->channel();

$channel->exchange_declare('topic_logs', 'topic', false, false, false);

$routing_key = isset($argv[1]) && !empty($argv[1]) ? $argv[1] : 'anonymous.info';
$data = implode(' ', array_slice($argv, 2));
if (empty($data)) {
$data = "Hello World!";
}

$msg = new AMQPMessage($data);

$channel->basic_publish($msg, 'topic_logs', $routing_key);

echo ' [x] Sent ', $routing_key, ':', $data, "\n";

$channel->close();
$connection->close();

receive_logs_topic.php

<?php

require_once __DIR__ . '/../../vendor/autoload.php';
use PhpAmqpLib\Connection\AMQPStreamConnection;

$connection = new AMQPStreamConnection('localhost', 5672, 'admin', 'admin','vhost1');
$channel = $connection->channel();

$channel->exchange_declare('topic_logs', 'topic', false, false, false);

list($queue_name, ,) = $channel->queue_declare("", false, false, true, false);

$binding_keys = array_slice($argv, 1);
if (empty($binding_keys)) {
file_put_contents('php://stderr', "Usage: $argv[0] [binding_key]\n");
exit(1);
}

foreach ($binding_keys as $binding_key) {
$channel->queue_bind($queue_name, 'topic_logs', $binding_key);
}

echo " [*] Waiting for logs. To exit press CTRL+C\n";

$callback = function ($msg) {
echo ' [x] ', $msg->delivery_info['routing_key'], ':', $msg->body, "\n";
};

$channel->basic_consume($queue_name, '', false, true, false, false, $callback);

while ($channel->is_open()) {
$channel->wait();
}

$channel->close();
$connection->close();

运行调试

php receive_logs_topic.php "#"

php receive_logs_topic.php "kern.*"

php receive_logs_topic.php "*.critical"

php receive_logs_topic.php "kern.*" "*.critical"

php emit_log_topic.php "kern.critical" "A critical kernel error"