RabbitMQ 訊息佇列 - direct 模式分發訊息
阿新 • • 發佈:2018-11-16
direct 模式
根據 Binding 指定的 Routing Key, 將符合Key的訊息傳送到 Binding 的 Queue
p_direct.php
<?php
//配置資訊
$conn_args = array(
'host' => '127.0.0.1',
'port' => '5672',
'login' => 'admin',
'password' => 'admin',
'vhost' =>'/'
);
$exchangeName = 'test_direct'; //交換機名
$queueName = 'test_direct'; //佇列名
$routeKey = 'key_direct'; //路由key
//建立連線和channel
$conn = new AMQPConnection($conn_args);
$conn->connect() or die("Cannot connect to the broker!\n");
$channel = new AMQPChannel($conn);
//建立交換機物件
$exchange = new AMQPExchange($channel );
$exchange->setName($exchangeName);
$exchange->setType(AMQP_EX_TYPE_DIRECT);
$exchange->setFlags(AMQP_DURABLE);
$exchange->declareExchange();
$queue = new AMQPQueue($channel);
$queue->setName($queueName);
$queue->setFlags(AMQP_DURABLE);
$queue->declareQueue();
$queue->bind($exchangeName , $routeKey);
//傳送訊息
for($i=0; $i<5; ++$i){
//訊息內容
$message = "TEST MESSAGE! ".$i;
echo "Send Message:".$exchange->publish($message, $routeKey)."\n";
}
$conn->disconnect();
?>
c_direct.php
<?php
//配置資訊
$conn_args = array(
'host' => '127.0.0.1',
'port' => '5672',
'login' => 'admin',
'password' => 'admin',
'vhost'=>'/'
);
$exchangeName = 'test_direct'; //交換機名
$queueName = 'test_direct'; //佇列名
$routeKey = 'key_direct'; //路由key
//建立連線和channel
$conn = new AMQPConnection($conn_args);
$conn->connect() or die("Cannot connect to the broker!\n");
$channel = new AMQPChannel($conn);
//建立交換機物件
$exchange = new AMQPExchange($channel);
$exchange->setName($exchangeName);
$exchange->setType(AMQP_EX_TYPE_DIRECT);
$exchange->setFlags(AMQP_DURABLE);
$exchange->declareExchange();
$queue = new AMQPQueue($channel);
$queue->setName($queueName);
$queue->setFlags(AMQP_DURABLE);
$queue->declareQueue();
$queue->bind($exchangeName, $routeKey);
echo "Message:\n";
while(True){
$queue->consume('processMessage');
//自動ACK應答
//$queue->consume('processMessage', AMQP_AUTOACK);
}
$conn->disconnect();
/*
* 消費回撥函式
* 處理訊息
*/
function processMessage($envelope, $q) {
$msg = $envelope->getBody();
echo $msg."\n"; //處理訊息
$q->ack($envelope->getDeliveryTag()); //手動傳送ACK應答
}
?>
執行 p_direct.php
# php p_direct.php
Send Message:1
Send Message:1
Send Message:1
Send Message:1
Send Message:1
執行 c_direct.php
# php c_direct.php
Message:
TEST MESSAGE! 0
TEST MESSAGE! 1
TEST MESSAGE! 2
TEST MESSAGE! 3
TEST MESSAGE! 4