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Support executing from CGI binary and simplify child command line (ps) #21

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Merged
merged 1 commit into from
May 8, 2019
Merged

Support executing from CGI binary and simplify child command line (ps) #21

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39 changes: 33 additions & 6 deletions src/Factory.php
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
class Factory
{
private $loop;

private $bin = PHP_BINARY;
private $useSocket;

/**
Expand All @@ -32,6 +32,18 @@ public function __construct(LoopInterface $loop)

// use socket I/O for Windows only, use faster process pipes everywhere else
$this->useSocket = DIRECTORY_SEPARATOR === '\\';

// if this is the php-cgi binary, check if we can execute the php binary instead
$candidate = \str_replace('-cgi', '', $this->bin);
if ($candidate !== $this->bin && \is_executable($candidate)) {
$this->bin = $candidate; // @codeCoverageIgnore
}

// if `php` is a symlink to the php binary, use the shorter `php` name
// this is purely cosmetic feature for the process list
if (\realpath($this->which('php')) === $this->bin) {
$this->bin = 'php'; // @codeCoverageIgnore
}
}

/**
Expand Down Expand Up @@ -78,7 +90,7 @@ public function open($filename, $flags = null)

private function openProcessIo($filename, $flags = null)
{
$command = 'exec ' . \escapeshellarg(\PHP_BINARY) . ' ' . \escapeshellarg(__DIR__ . '/../res/sqlite-worker.php');
$command = 'exec ' . \escapeshellarg($this->bin) . ' sqlite-worker.php';

// Try to get list of all open FDs (Linux/Mac and others)
$fds = @\scandir('/dev/fd');
Expand Down Expand Up @@ -120,7 +132,7 @@ private function openProcessIo($filename, $flags = null)
$command = 'exec bash -c ' . \escapeshellarg($command);
}

$process = new Process($command, null, null, $pipes);
$process = new Process($command, __DIR__ . '/../res', null, $pipes);
$process->start($this->loop);

$db = new ProcessIoDatabase($process);
Expand All @@ -139,14 +151,14 @@ private function openProcessIo($filename, $flags = null)

private function openSocketIo($filename, $flags = null)
{
$command = \escapeshellarg(\PHP_BINARY) . ' ' . \escapeshellarg(__DIR__ . '/../res/sqlite-worker.php');
$command = \escapeshellarg($this->bin) . ' sqlite-worker.php';

// launch process without default STDIO pipes
$null = \DIRECTORY_SEPARATOR === '\\' ? 'nul' : '/dev/null';
$pipes = array(
array('file', $null, 'r'),
array('file', $null, 'w'),
STDERR // array('file', $null, 'w'),
\defined('STDERR') ? \STDERR : \fopen('php://stderr', 'w')
);

// start temporary socket on random address
Expand All @@ -161,7 +173,7 @@ private function openSocketIo($filename, $flags = null)
stream_set_blocking($server, false);
$command .= ' ' . stream_socket_get_name($server, false);

$process = new Process($command, null, null, $pipes);
$process = new Process($command, __DIR__ . '/../res', null, $pipes);
$process->start($this->loop);

$deferred = new Deferred(function () use ($process, $server) {
Expand Down Expand Up @@ -214,4 +226,19 @@ private function openSocketIo($filename, $flags = null)

return $deferred->promise();
}

/**
* @param string $bin
* @return string|null
* @codeCoverageIgnore
*/
private function which($bin)
{
foreach (\explode(\PATH_SEPARATOR, \getenv('PATH')) as $path) {
if (\is_executable($path . \DIRECTORY_SEPARATOR . $bin)) {
return $path . \DIRECTORY_SEPARATOR . $bin;
}
}
return null;
}
}