1) は、rabbitmq の管理 /api/queues を使用して、各コンシューマーに永続的なキュー名を付けることで解決できます。
2,3,4 は、次のように解決されました。
<?php
//Producer Config
$host = "remote_host";
$port = 5672;
$user = "user";
$pass = "pass";
$array = array("consumer1", "consumer2");
...
<?php
//Producer
if(!isset($argv[1]) || !isset($argv[2])){
die("Specify a target and a message\n");
}
require_once __DIR__.'/config.php';
require_once __DIR__.'/vendor/autoload.php';
use PhpAmqpLib\Connection\AMQPSSLConnection;
use PhpAmqpLib\Message\AMQPMessage;
$corr_id = uniqid();
$connection = new AMQPSSLConnection($host, $port, $user, $pass, "/", array("verify_peer" => false));
$channel = $connection->channel();
$response = null;
$onResponse = function ($rep) {
global $response;
$response = $rep->body;
echo " [>] Received: '".$response."'\n";
};
list($callback_queue, ,) = $channel->queue_declare("", false, false, true, false);
$channel->basic_consume($callback_queue, '', false, false, false, false, $onResponse);
$msg = new AMQPMessage($argv[2], array('correlation_id' => uniqid(), 'reply_to' => $callback_queue));
switch($argv[1]){
case "random":
$dest = $array[array_rand($array)];
$type = "direct";
break;
case "all":
$dest = "to_all";
$type = "fanout";
break;
case $argv[1]:
$dest = $argv[1];
$type = "direct";
break;
}
$channel->exchange_declare($dest, $type, false, false, false);
$channel->basic_publish($msg, $dest);
echo " [<] Sent '".$argv[2]."' to '".$dest."'\n";
try {
if($dest == "to_all"){
$replies = 0;
while(!$response || $replies < count($consumers_array)){
$channel->wait(null, false, $timeout);
$replies++;
}
}else{
while(!$response){
$channel->wait(null, false, $timeout);
}
}
}catch(PhpAmqpLib\Exception\AMQPTimeoutException $e){
echo " [x] AMQPTimeoutException thrown\n";
}
$channel->close();
$connection->close();
...
<?php
//Consumer config
$host = "remote_host";
$port = 5672;
$user = "user";
$pass = "pass";
$consumer_name = "consumerX";
...
<?php
//Consumer
require_once __DIR__ . '/config.php';
require_once __DIR__ . '/vendor/autoload.php';
use PhpAmqpLib\Connection\AMQPSSLConnection;
use PhpAmqpLib\Message\AMQPMessage;
$connection = new AMQPSSLConnection($host, $port, $user, $pass, "/", array('verify_peer' => false));
$channel = $connection->channel();
$channel->exchange_declare('to_all', 'fanout', false, false, false);
$channel->exchange_declare($consumer_name, 'direct', false, false, false);
$channel->queue_declare($consumer_name, false, false, true, false);
$channel->queue_bind($consumer_name, 'to_all');
$channel->queue_bind($consumer_name, $consumer_name);
echo '[*] Waiting for messages. To exit press CTRL+C', "\n";
$callback = function($msg) {
echo " [>] Received: '".$msg->body."'\n";
$rand = rand(1,3);
sleep($rand);
$reply = uniqid()." - slept ".$rand;
echo " [<] Replied: '".$reply."'\n";
$raspuns = new AMQPMessage($reply);
$msg->delivery_info['channel']->basic_publish($raspuns,'',$msg->get('reply_to'));
};
$channel->basic_consume($consumer_name, '', false, true, false, false, $callback);
while(count($channel->callbacks)) {
$channel->wait();
}
$channel->close();
$connection->close();
これが最善の方法かどうかはわかりませんが、「Hello World」がうまくいきました。