Initial commit

src/Msg/Queue.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace NoccyLabs\Ipc\Msg;
+
+use NoccyLabs\Ipc\Key\KeyInterface;
+
+
+/**
+ * Message queue wrapper
+ * 
+ */
+class Queue
+{
+    protected $resource;
+
+    /**
+     * Constructor
+     *
+     * @param KeyInterface $key
+     * @param integer $perms
+     */
+    public function __construct(KeyInterface $key, int $perms = 0666)
+    {
+        $this->resource = msg_get_queue($key->getKey(), $perms);
+    }
+
+    /**
+     * Destructor
+     */
+    public function __destruct()
+    {
+
+    }
+
+    /**
+     * Send to the queue
+     *
+     * @param integer $msgtype
+     * @param mixed $message
+     * @param boolean $blocking
+     * @throws RuntimeException on error
+     */
+    public function send(int $msgtype, $message, bool $blocking = true)
+    {
+        $ret = msg_send($this->resource, $msgtype, $message, true, $blocking, $errno);
+        
+        if ($ret === false) {
+            throw new \RuntimeException(sprintf(
+                "msg_send error %d",
+                $errno
+            ));
+        }
+    }
+
+    /**
+     * Receive from the queue
+     *
+     * @param integer $desiredmsgtype
+     * @param integer $msgtype
+     * @param integer $maxsize
+     * @param boolean $blocking
+     * @return mixed
+     * @throws RuntimeException on error
+     */
+    public function receive(int $desiredmsgtype, &$msgtype, int $maxsize=4096, bool $blocking = true)
+    {
+        $ret = msg_receive(
+            $this->resource, 
+            $desiredmsgtype, 
+            $msgtype, 
+            $maxsize, 
+            $message, 
+            true, 
+            $blocking?MSG_IPC_NOWAIT:0, 
+            $errno
+        );
+
+        if ($ret === false) {
+            throw new \RuntimeException(sprintf(
+                "msg_receive error %d",
+                $errno
+            ));
+        }
+
+        return $message;
+    }
+}