| 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\Transport; |
| 15: | |
| 16: | use Nexus\Mcp\Core\Schema\RequestId; |
| 17: | |
| 18: | /** |
| 19: | * A transport whose in-flight work can be stopped one request at a time, rather than only wholesale by |
| 20: | * `close()`. The inbound counterpart is `CancellableTransportInterface`, which reports a peer abandoning |
| 21: | * a request the caller is serving. |
| 22: | */ |
| 23: | interface AbortableTransportInterface extends TransportInterface |
| 24: | { |
| 25: | /** |
| 26: | * Stops whatever this transport still has in flight for `$id` and releases it. Naming a request that |
| 27: | * was never sent, already answered, or already aborted does nothing. |
| 28: | * |
| 29: | * The caller has given up on the response, so the abort is not reported as a fault: nothing reaches |
| 30: | * `onError()` and no reply arrives for that id afterwards. Telling the peer is the protocol layer's |
| 31: | * job, through `notifications/cancelled`. |
| 32: | */ |
| 33: | public function abort(RequestId $id): void; |
| 34: | } |
| 35: |