Add AmqpLib support

composer.json

@@ -7,6 +7,8 @@
     "enqueue/enqueue": "*@dev",
     "enqueue/stomp": "*@dev",
     "enqueue/amqp-ext": "*@dev",
+    "enqueue/amqp-lib": "*@dev",
+    "php-amqplib/php-amqplib": "^2.7@dev",
     "enqueue/redis": "*@dev",
     "enqueue/fs": "*@dev",
     "enqueue/null": "*@dev",
@@ -68,6 +70,10 @@
       "type": "path",
       "url": "pkg/amqp-ext"
     },
+    {
+      "type": "path",
+      "url": "pkg/amqp-lib"
+    },
     {
       "type": "path",
       "url": "pkg/redis"

pkg/amqp-lib/.gitignore

@@ -0,0 +1,6 @@
+*~
+/composer.lock
+/composer.phar
+/phpunit.xml
+/vendor/
+/.idea/

pkg/amqp-lib/.travis.yml

@@ -0,0 +1,21 @@
+sudo: false
+
+git:
+    depth: 1
+
+language: php
+
+php:
+    - '5.6'
+    - '7.0'
+
+cache:
+    directories:
+        - $HOME/.composer/cache
+
+install:
+    - composer self-update
+    - composer install --prefer-source --ignore-platform-reqs
+
+script:
+    - vendor/bin/phpunit --exclude-group=functional

pkg/amqp-lib/AmqpConnectionFactory.php

@@ -0,0 +1,229 @@
+<?php
+
+namespace Enqueue\AmqpLib;
+
+use Interop\Queue\PsrConnectionFactory;
+use PhpAmqpLib\Connection\AbstractConnection;
+use PhpAmqpLib\Connection\AMQPLazyConnection;
+use PhpAmqpLib\Connection\AMQPLazySocketConnection;
+use PhpAmqpLib\Connection\AMQPSocketConnection;
+use PhpAmqpLib\Connection\AMQPStreamConnection;
+
+class AmqpConnectionFactory implements PsrConnectionFactory
+{
+    /**
+     * @var array
+     */
+    private $config;
+
+    /**
+     * @var AbstractConnection
+     */
+    private $connection;
+
+    /**
+     * The config could be an array, string DSN or null. In case of null it will attempt to connect to localhost with default credentials.
+     *
+     * [
+     *     'host'  => 'amqp.host The host to connect too. Note: Max 1024 characters.',
+     *     'port'  => 'amqp.port Port on the host.',
+     *     'vhost' => 'amqp.vhost The virtual host on the host. Note: Max 128 characters.',
+     *     'user' => 'amqp.user The user name to use. Note: Max 128 characters.',
+     *     'pass' => 'amqp.password Password. Note: Max 128 characters.',
+     *     'lazy' => 'the connection will be performed as later as possible, if the option set to true',
+     *     'stream' => 'stream or socket connection',
+     *     'receive_method' => 'Could be either basic_get or basic_consume',
+     * ]
+     *
+     * or
+     *
+     * amqp://user:pass@host:10000/vhost?lazy=true&socket=true
+     *
+     * @param array|string $config
+     */
+    public function __construct($config = 'amqp://')
+    {
+        if (empty($config) || 'amqp://' === $config) {
+            $config = [];
+        } elseif (is_string($config)) {
+            $config = $this->parseDsn($config);
+        } elseif (is_array($config)) {
+        } else {
+            throw new \LogicException('The config must be either an array of options, a DSN string or null');
+        }
+
+        $this->config = array_replace($this->defaultConfig(), $config);
+
+        $supportedMethods = ['basic_get', 'basic_consume'];
+        if (false == in_array($this->config['receive_method'], $supportedMethods, true)) {
+            throw new \LogicException(sprintf(
+                'Invalid "receive_method" option value "%s". It could be only "%s"',
+                $this->config['receive_method'],
+                implode('", "', $supportedMethods)
+            ));
+        }
+    }
+
+    /**
+     * @return AmqpContext
+     */
+    public function createContext()
+    {
+        return new AmqpContext($this->establishConnection(), $this->config['receive_method']);
+    }
+
+    /**
+     * @return AbstractConnection
+     */
+    private function establishConnection()
+    {
+        if (false == $this->connection) {
+            if ($this->config['stream']) {
+                if ($this->config['lazy']) {
+                    $con = new AMQPLazyConnection(
+                        $this->config['host'],
+                        $this->config['port'],
+                        $this->config['user'],
+                        $this->config['pass'],
+                        $this->config['vhost'],
+                        $this->config['insist'],
+                        $this->config['login_method'],
+                        $this->config['login_response'],
+                        $this->config['locale'],
+                        $this->config['connection_timeout'],
+                        $this->config['read_write_timeout'],
+                        null,
+                        $this->config['keepalive'],
+                        $this->config['heartbeat']
+                    );
+                } else {
+                    $con = new AMQPStreamConnection(
+                        $this->config['host'],
+                        $this->config['port'],
+                        $this->config['user'],
+                        $this->config['pass'],
+                        $this->config['vhost'],
+                        $this->config['insist'],
+                        $this->config['login_method'],
+                        $this->config['login_response'],
+                        $this->config['locale'],
+                        $this->config['connection_timeout'],
+                        $this->config['read_write_timeout'],
+                        null,
+                        $this->config['keepalive'],
+                        $this->config['heartbeat']
+                    );
+                }
+            } else {
+                if ($this->config['lazy']) {
+                    $con = new AMQPLazySocketConnection(
+                        $this->config['host'],
+                        $this->config['port'],
+                        $this->config['user'],
+                        $this->config['pass'],
+                        $this->config['vhost'],
+                        $this->config['insist'],
+                        $this->config['login_method'],
+                        $this->config['login_response'],
+                        $this->config['locale'],
+                        $this->config['read_timeout'],
+                        $this->config['keepalive'],
+                        $this->config['write_timeout'],
+                        $this->config['heartbeat']
+                    );
+                } else {
+                    $con = new AMQPSocketConnection(
+                        $this->config['host'],
+                        $this->config['port'],
+                        $this->config['user'],
+                        $this->config['pass'],
+                        $this->config['vhost'],
+                        $this->config['insist'],
+                        $this->config['login_method'],
+                        $this->config['login_response'],
+                        $this->config['locale'],
+                        $this->config['read_timeout'],
+                        $this->config['keepalive'],
+                        $this->config['write_timeout'],
+                        $this->config['heartbeat']
+                    );
+                }
+            }
+
+            $this->connection = $con;
+        }
+
+        return $this->connection;
+    }
+
+    /**
+     * @param string $dsn
+     *
+     * @return array
+     */
+    private function parseDsn($dsn)
+    {
+        $dsnConfig = parse_url($dsn);
+        if (false === $dsnConfig) {
+            throw new \LogicException(sprintf('Failed to parse DSN "%s"', $dsn));
+        }
+
+        $dsnConfig = array_replace([
+            'scheme' => null,
+            'host' => null,
+            'port' => null,
+            'user' => null,
+            'pass' => null,
+            'path' => null,
+            'query' => null,
+        ], $dsnConfig);
+
+        if ('amqp' !== $dsnConfig['scheme']) {
+            throw new \LogicException(sprintf('The given DSN scheme "%s" is not supported. Could be "amqp" only.', $dsnConfig['scheme']));
+        }
+
+        if ($dsnConfig['query']) {
+            $query = [];
+            parse_str($dsnConfig['query'], $query);
+
+            $dsnConfig = array_replace($query, $dsnConfig);
+        }
+
+        $dsnConfig['vhost'] = ltrim($dsnConfig['path'], '/');
+
+        unset($dsnConfig['scheme'], $dsnConfig['query'], $dsnConfig['fragment'], $dsnConfig['path']);
+
+        $dsnConfig = array_map(function ($value) {
+            return urldecode($value);
+        }, $dsnConfig);
+
+        return $dsnConfig;
+    }
+
+    /**
+     * @return array
+     */
+    private function defaultConfig()
+    {
+        return [
+            'stream' => true,
+            'lazy' => true,
+            'host' => 'localhost',
+            'port' => 5672,
+            'user' => 'guest',
+            'pass' => 'guest',
+            'vhost' => '/',
+            'insist' => false,
+            'login_method' => 'AMQPLAIN',
+            'login_response' => null,
+            'locale' => 'en_US',
+            'read_timeout' => 3,
+            'keepalive' => false,
+            'write_timeout' => 3,
+            'heartbeat' => 0,
+            'connection_timeout' => 3.0,
+            'read_write_timeout' => 3.0,
+            'receive_method' => 'basic_get',
+        ];
+    }
+}