/**
* @coroutine
*
* @param string $path
*
* @return \Generator
*
* @resolve int
*/
public function copy(string $path) : \Generator
{
$delayed = new Delayed();
\eio_open($path, \EIO_O_WRONLY | \EIO_O_CREAT | \EIO_O_TRUNC, 0644, null, function (Delayed $delayed, $handle, $req) {
if (-1 === $handle) {
$delayed->reject(new FileException(sprintf('Opening the file failed: %s.', \eio_get_last_error($req))));
} else {
$delayed->resolve($handle);
}
}, $delayed);
$this->poll->listen();
try {
$handle = (yield $delayed);
} finally {
$this->poll->done();
}
$delayed = new Delayed();
\eio_sendfile($handle, $this->handle, 0, $this->size, null, function (Delayed $delayed, $result, $req) {
if (-1 === $result) {
$delayed->reject(new FileException(sprintf('Copying the file failed: %s.', \eio_get_last_error($req))));
} else {
$delayed->resolve(true);
}
}, $delayed);
$this->poll->listen();
try {
(yield $delayed);
} finally {
$this->poll->done();
\eio_close($handle);
}
return $this->size;
}
/**
* sendfile()
* @param mixed $outfd File descriptor
* @param callable $cb Callback
* @param callable $startCb Start callback
* @param integer $offset Offset
* @param integer $length Length
* @param integer $pri Priority
* @return boolean Success
*/
public function sendfile($outfd, $cb, $startCb = null, $offset = 0, $length = null, $pri = EIO_PRI_DEFAULT)
{
$cb = CallbackWrapper::forceWrap($cb);
if (!$this->fd) {
if ($cb) {
$cb($this, false);
}
return false;
}
if (!FileSystem::$supported) {
if ($cb) {
$cb($this, false);
}
return false;
}
static $chunkSize = 1024;
$ret = true;
$handler = function ($file, $sent = -1) use(&$ret, $outfd, $cb, &$handler, &$offset, &$length, $pri, $chunkSize) {
if ($outfd instanceof IOStream) {
if ($outfd->isFreed()) {
$cb($file, false);
return;
}
$ofd = $outfd->getFd();
} else {
$ofd = $outfd;
}
if (!$ret) {
$cb($file, false);
return;
}
if ($sent === -1) {
$sent = 0;
}
$offset += $sent;
$length -= $sent;
if ($length <= 0) {
$cb($file, true);
return;
}
if (!$ofd) {
$cb($file, false);
return;
}
$c = min($chunkSize, $length);
$ret = eio_sendfile($ofd, $file->fd, $offset, $c, $pri, $handler, $file);
};
if ($length !== null) {
if ($startCb !== null) {
if (!$startCb($this, $length, $handler)) {
$handler($this);
}
} else {
$handler($this);
}
return true;
}
$this->statRefresh(function ($file, $stat) use($startCb, $handler, &$length) {
$length = $stat['size'];
if ($startCb !== null) {
if (!$startCb($file, $length, $handler)) {
$handler($file);
}
} else {
$handler($file);
}
}, $pri);
return true;
}
public function sendfile($outfd, $cb, $offset = 0, $length = null, $pri = EIO_PRI_DEFAULT)
{
if (!FS::$supported) {
call_user_func($cb, $this, false);
return;
}
static $chunkSize = 1024;
$handler = function ($file, $sent) use($outfd, $cb, &$handler, &$offset, &$length, $pri, $chunkSize) {
if ($sent === -1) {
$sent = 0;
}
$offset += $sent;
$length -= $sent;
if ($length <= 0) {
call_user_func($cb, $file, true);
return;
}
if (!is_resource($outfd)) {
call_user_func($cb, $file, false);
return;
}
eio_sendfile($outfd, $file->fd, $offset, min($chunkSize, $length), $pri, $handler, $file);
};
if ($length !== null) {
$handler($this, -1);
return;
}
$this->stat(function ($file, $stat) use($handler, &$length) {
$length = $stat['size'];
$handler($file, -1);
}, $pri);
}
