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\Core\Dispatch;
15:
16: use Nexus\Mcp\Core\Transport\TransportInterface;
17:
18: /**
19: * Per-envelope inbound dispatch contract shared by the Server and Client
20: * runtimes. Each side owns one implementation and exposes it to a
21: * transport's `onMessage` / `onDrain` listeners.
22: */
23: interface MessageDispatcherInterface
24: {
25: /**
26: * Processes a single inbound JSON-RPC envelope.
27: *
28: * @param array<string, mixed> $envelope
29: */
30: public function dispatch(array $envelope, TransportInterface $transport): void;
31:
32: /**
33: * Awaits every in-flight dispatch coroutine spawned by `dispatch()`.
34: */
35: public function flushPending(): void;
36: }
37: