public function __construct()
{
$this->ipc_fn = tempnam(sys_get_temp_dir(), 'csp.' . uniqid('chn', true));
$this->key = ftok($this->ipc_fn, 'A');
$this->ipc = msg_get_queue($this->key, 0666);
msg_set_queue($this->ipc, $cfg = ['msg_qbytes' => 1 * PHP_INT_LENGTH]);
}
public function start()
{
set_time_limit(0);
if (file_exists($this->file)) {
unlink($this->file);
}
file_put_contents($this->file, '');
$this->queue = msg_get_queue(ftok($this->file, 'R'), 0777);
msg_set_queue($this->queue, []);
msg_remove_queue($this->queue);
$this->queue = msg_get_queue(ftok($this->file, 'R'), 0777);
$this->listen();
}
/**
* 初始化 配置、进程名、共享内存、消息队列等
* @return void
*/
public static function init()
{
// 获取配置文件
$config_path = Lib\Config::$configFile;
// 设置进程名称，如果支持的话
self::setProcTitle(self::NAME . ':master with-config:' . $config_path);
// 初始化共享内存消息队列
if (extension_loaded('sysvmsg') && extension_loaded('sysvshm')) {
self::$shmId = shm_attach(IPC_KEY, DEFAULT_SHM_SIZE, 0666);
self::$queueId = msg_get_queue(IPC_KEY, 0666);
msg_set_queue(self::$queueId, array('msg_qbytes' => 65535));
}
}
exit(1);
}
$queue = msg_get_queue($token);
var_dump(msg_queue_exists($token));
$pid = pcntl_fork();
if ($pid == 0) {
$q = msg_get_queue($token);
msg_send($q, 2, "start");
msg_receive($q, 1, $type, 100, $msg);
msg_send($q, 2, $msg);
// echo
exit(0);
}
msg_receive($queue, 2, $type, 100, $msg);
var_dump($msg);
msg_send($queue, 1, "ok");
msg_receive($queue, 2, $type, 100, $msg);
var_dump($msg);
$ret = @msg_send($queue, 0, 'msg', false, false, $s_error_code);
var_dump($ret);
var_dump(22 === $s_error_code);
// 22 - invalid argument
$ret = msg_receive($queue, 0, $type, 100, $msg, false, MSG_IPC_NOWAIT, $r_error_code);
var_dump($ret);
var_dump(MSG_ENOMSG === $r_error_code);
$ret = msg_stat_queue($queue);
var_dump($ret[$s_msg_qnum]);
msg_set_queue($queue, array("msg_perm.mode" => 0666));
msg_remove_queue($queue);
pcntl_waitpid($pid, $status);
unlink($filename);
/**
* allows you to change the values of the msg_perm.uid,
* msg_perm.gid, msg_perm.mode and msg_qbytes fields of the underlying message queue data structure
* 可以用来修改队列运行接收的最大读取的数据
*
* @param $key 状态下标
* @param $value 状态值
* @return bool
*/
public function set_status($key, $value)
{
$this->check_set_privilege($key);
if ($key == 'msg_qbytes') {
return $this->set_max_queue_size($value);
}
$queue_status[$key] = $value;
return \msg_set_queue($this->queue, $queue_status);
}
/**
* Sets the access permissions of the semaphore.
*
* The current user must have access to the semaphore in order to change the permissions.
*
* @param int $mode A permissions mode to set.
*
* @throws SemaphoreException If the operation failed.
*/
public function setPermissions($mode)
{
if (!msg_set_queue($this->queue, [
'msg_perm.mode' => $mode
])) {
throw new SemaphoreException('Failed to change the semaphore permissions.');
}
}
/**
* 初始化 配置、进程名、共享内存、消息队列等
* @return void
*/
public static function init()
{
// 因为子进程要更换用户、开低端口等，必须是root启动
if ($user_info = posix_getpwuid(posix_getuid())) {
if ($user_info['name'] !== 'root') {
exit("[31;40mYou should run workerman as root . Permission denied[0m\n");
}
}
// 获取配置文件
$config_path = Config::$configFile;
// 设置进程名称，如果支持的话
self::setProcTitle(self::NAME . ':master with-config:' . $config_path);
// 初始化共享内存消息队列
if (extension_loaded('sysvmsg') && extension_loaded('sysvshm')) {
self::$shmId = shm_attach(IPC_KEY, DEFAULT_SHM_SIZE);
self::$queueId = msg_get_queue(IPC_KEY);
msg_set_queue(self::$queueId, array('msg_qbytes' => DEFAULT_MSG_QBYTES));
}
}
<?php
$id = ftok(__FILE__, 'r');
$q = msg_get_queue($id);
echo "Set mode:\n";
$arr = array('msg_perm.mode' => 0600);
var_dump(msg_set_queue($q, $arr));
echo "Did really work:\n";
var_dump(count(array_diff_assoc($arr, msg_stat_queue($q))) == 0);
echo "Set uid:\n";
// same as the running user to make it succeed
$arr = array('msg_perm.uid' => getmyuid());
var_dump(msg_set_queue($q, $arr));
echo "Did really work:\n";
var_dump(count(array_diff_assoc($arr, msg_stat_queue($q))) == 0);
echo "Set gid:\n";
// same as the running user to make it succeed
$arr = array('msg_perm.gid' => getmygid());
var_dump(msg_set_queue($q, $arr));
echo "Did really work:\n";
var_dump(count(array_diff_assoc($arr, msg_stat_queue($q))) == 0);
echo "Set smaller qbytes:\n";
$res = msg_stat_queue($q);
$arr = array('msg_qbytes' => $res['msg_qbytes'] - 1);
var_dump(msg_set_queue($q, $arr));
echo "Did really work:\n";
var_dump(count(array_diff_assoc($arr, msg_stat_queue($q))) == 0);
if (!msg_remove_queue($q)) {
echo "BAD: queue removal failed\n";
}
echo "Done\n";
<?php
$tests = array(null, 'foo');
foreach ($tests as $q) {
if ($q === null) {
do {
$id = ftok(__FILE__, chr(mt_rand(0, 255)));
} while (msg_queue_exists($id));
$q = msg_get_queue($id) or die("Failed to create queue");
msg_remove_queue($q) or die("Failed to close queue");
}
echo "Using '{$q}' as queue resource:\n";
$errno = 0;
var_dump(msg_set_queue($q, array('msg_qbytes' => 1)));
var_dump(msg_stat_queue($q));
var_dump(msg_receive($q, 0, $null, 1, $msg, true, 0, $errno));
var_dump($errno != 0);
// again, but triggering an E_WARNING
var_dump(msg_receive($q, 0, $null, 0, $msg));
var_dump(msg_send($q, 1, 'foo', true, true, $errno));
var_dump($errno != 0);
}
echo "Done\n";
