/**
* @param ConnectionInterface $connection
* @param CommandInterface $command
*
* @return ResultInterface
* @throws \RuntimeException
*/
public function exec(ConnectionInterface $connection, CommandInterface $command)
{
$command->execBegin();
$stream = @ssh2_exec($connection->getConnection(), $command->asString(), $command instanceof ExecCommandInterface ? $command->getPty() : null, $command->getEnv(), $command->getWidth(), $command->getHeight(), $command->getWidthHeightType());
$connection->history()->add($command);
if (!$stream) {
throw new \RuntimeException(sprintf('Can not execute command `%s`', $command->asString()));
}
$errorStream = ssh2_fetch_stream($stream, SSH2_STREAM_STDERR);
stream_set_blocking($stream, 1);
stream_set_blocking($errorStream, 1);
$error = stream_get_contents($errorStream);
$content = stream_get_contents($stream);
fclose($errorStream);
fclose($stream);
if ($error) {
$result = $this->createResult($error, true, $command);
} else {
$result = $this->createResult($content, false, $command);
}
$command->execEnd();
return $result;
}