File Server/Handler/Request/SetLevelRequestHandler.php

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Server\Handler\Request;
15:
16:	use Nexus\Mcp\Core\Handler\AbstractContext;
17:	use Nexus\Mcp\Core\Handler\RequestHandlerInterface;
18:	use Nexus\Mcp\Core\Schema\JsonRpc\JsonRpcRequest;
19:	use Nexus\Mcp\Core\Schema\Request\SetLevelRequest;
20:	use Nexus\Mcp\Core\Schema\Result\EmptyResult;
21:	use Nexus\Mcp\Server\Logging\LoggingLevelGate;
22:	use Nexus\Mcp\Server\ServerContext;
23:
24:	/**
25:	* Handles the `logging/setLevel` request by updating the server's minimum log
26:	* level so subsequent `ServerContext::log()` calls below the threshold are
27:	* dropped before reaching the transport.
28:	*
29:	* @implements RequestHandlerInterface<'logging/setLevel', EmptyResult, ServerContext>
30:	*/
31:	final readonly class SetLevelRequestHandler implements RequestHandlerInterface
32:	{
33:	public function __construct(private LoggingLevelGate $gate)
34:	{
35:	}
36:
37:	#[\Override]
38:	public function handle(JsonRpcRequest $request, AbstractContext $context): EmptyResult
39:	{
40:	\assert($request instanceof SetLevelRequest);
41:
42:	$this->gate->setLevel($request->params->level);
43:
44:	return new EmptyResult();
45:	}
46:	}
47: