/**
* @param string $script
* @param array $params
* @param int $numKeys
* @return mixed
* @throws RedisException
*/
public function luaEval($script, array $params, $numKeys)
{
$sha1 = sha1($script);
// 40 char hex
$conn = $this->conn;
// convenience
$server = $this->server;
// convenience
// Try to run the server-side cached copy of the script
$conn->clearLastError();
$res = $conn->evalSha($sha1, $params, $numKeys);
// If we got a permission error reply that means that (a) we are not in
// multi()/pipeline() and (b) some connection problem likely occurred. If
// the password the client gave was just wrong, an exception should have
// been thrown back in getConnection() previously.
if (preg_match('/^ERR operation not permitted\\b/', $conn->getLastError())) {
$this->pool->reauthenticateConnection($server, $conn);
$conn->clearLastError();
$res = $conn->eval($script, $params, $numKeys);
$this->logger->info("Used automatic re-authentication for Lua script '{$sha1}'.", ['redis_server' => $server]);
}
// If the script is not in cache, use eval() to retry and cache it
if (preg_match('/^NOSCRIPT/', $conn->getLastError())) {
$conn->clearLastError();
$res = $conn->eval($script, $params, $numKeys);
$this->logger->info("Used eval() for Lua script '{$sha1}'.", ['redis_server' => $server]);
}
if ($conn->getLastError()) {
// script bug?
$this->logger->error('Lua script error on server "{redis_server}": {lua_error}', ['redis_server' => $server, 'lua_error' => $conn->getLastError()]);
}
$this->lastError = $conn->getLastError() ?: $this->lastError;
return $res;
}
