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