| 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\Transport\Http; |
| 15: | |
| 16: | /** |
| 17: | * How the Streamable HTTP transport answers a POST that dispatches to a handler. |
| 18: | */ |
| 19: | enum ResponseMode |
| 20: | { |
| 21: | /** |
| 22: | * Always buffer the final response into a single JSON object. Progress notifications are dropped. |
| 23: | */ |
| 24: | case Json; |
| 25: | |
| 26: | /** |
| 27: | * Always answer with a request-scoped SSE stream carrying progress notifications and the final response. |
| 28: | */ |
| 29: | case Sse; |
| 30: | |
| 31: | /** |
| 32: | * Buffer a JSON response, upgrading to an SSE stream the moment a progress notification arrives mid-call. |
| 33: | */ |
| 34: | case Auto; |
| 35: | } |
| 36: |