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| 1 | +# Web Application Messaging Protocol (WAMP) Transport |
| 2 | + |
| 3 | +A transport for [Web Application Messaging Protocol](https://wamp-proto.org/). |
| 4 | +WAMP is an open standard WebSocket subprotocol. |
| 5 | +It uses internally Thruway PHP library [voryx/thruway](https://github.com/voryx/Thruway) |
| 6 | + |
| 7 | +* [Installation](#installation) |
| 8 | +* [Start the WAMP router](#start-the-wamp-router) |
| 9 | +* [Create context](#create-context) |
| 10 | +* [Consume message](#consume-message) |
| 11 | +* [Subscription consumer](#subscription-consumer) |
| 12 | +* [Send message to topic](#send-message-to-topic) |
| 13 | + |
| 14 | +## Installation |
| 15 | + |
| 16 | +```bash |
| 17 | +$ composer require enqueue/wamp |
| 18 | +``` |
| 19 | + |
| 20 | +## Start the WAMP router |
| 21 | + |
| 22 | +```bash |
| 23 | +$ php vendor/voryx/thruway/Examples/SimpleWsRouter.php |
| 24 | +``` |
| 25 | + |
| 26 | +Thruway is now running on 127.0.0.1 port 9090 |
| 27 | + |
| 28 | + |
| 29 | +## Create context |
| 30 | + |
| 31 | +```php |
| 32 | +<?php |
| 33 | +use Enqueue\Wamp\WampConnectionFactory; |
| 34 | + |
| 35 | +$connectionFactory = new WampConnectionFactory(); |
| 36 | + |
| 37 | +$context = $connectionFactory->createContext(); |
| 38 | + |
| 39 | +// if you have enqueue/enqueue library installed you can use a factory to build context from DSN |
| 40 | +$context = (new \Enqueue\ConnectionFactoryFactory())->create('wamp:')->createContext(); |
| 41 | +``` |
| 42 | + |
| 43 | +## Consume message: |
| 44 | + |
| 45 | +Start message consumer before send message to the topic |
| 46 | + |
| 47 | +```php |
| 48 | +<?php |
| 49 | +/** @var \Enqueue\Wamp\WampContext $context */ |
| 50 | + |
| 51 | +$fooTopic = $context->createTopic('foo'); |
| 52 | + |
| 53 | +$consumer = $context->createConsumer($fooQueue); |
| 54 | + |
| 55 | +while (true) { |
| 56 | + if ($message = $consumer->receive()) { |
| 57 | + // process a message |
| 58 | + } |
| 59 | +} |
| 60 | +``` |
| 61 | + |
| 62 | +## Subscription consumer |
| 63 | + |
| 64 | +```php |
| 65 | +<?php |
| 66 | +use Interop\Queue\Message; |
| 67 | +use Interop\Queue\Consumer; |
| 68 | + |
| 69 | +/** @var \Enqueue\Wamp\WampContext $context */ |
| 70 | +/** @var \Enqueue\Wamp\WampDestination $fooQueue */ |
| 71 | +/** @var \Enqueue\Wamp\WampDestination $barQueue */ |
| 72 | + |
| 73 | +$fooConsumer = $context->createConsumer($fooQueue); |
| 74 | +$barConsumer = $context->createConsumer($barQueue); |
| 75 | + |
| 76 | +$subscriptionConsumer = $context->createSubscriptionConsumer(); |
| 77 | +$subscriptionConsumer->subscribe($fooConsumer, function(Message $message, Consumer $consumer) { |
| 78 | + // process message |
| 79 | + |
| 80 | + return true; |
| 81 | +}); |
| 82 | +$subscriptionConsumer->subscribe($barConsumer, function(Message $message, Consumer $consumer) { |
| 83 | + // process message |
| 84 | + |
| 85 | + return true; |
| 86 | +}); |
| 87 | + |
| 88 | +$subscriptionConsumer->consume(2000); // 2 sec |
| 89 | +``` |
| 90 | + |
| 91 | +## Send message to topic |
| 92 | + |
| 93 | +```php |
| 94 | +<?php |
| 95 | +/** @var \Enqueue\Wamp\WampContext $context */ |
| 96 | + |
| 97 | +$fooTopic = $context->createTopic('foo'); |
| 98 | +$message = $context->createMessage('Hello world!'); |
| 99 | + |
| 100 | +$context->createProducer()->send($fooTopic, $message); |
| 101 | +``` |
| 102 | + |
| 103 | +[back to index](../index.md) |
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