Add Bounded Ordinary HTTPS Idle Cleanup

2026-09-08 18:33:33 +02:00
parent f6263042ff
commit 82f21d6116
18 changed files with 884 additions and 13 deletions
@@ -128,6 +128,8 @@ The following first-slice exclusions are historical and superseded by slice 2:

 **HTTPD boundary:** `web_httpd_adapter` alone includes private ESP-IDF 5.5.0 structures. Public request getters expose only the first field, so the adapter validates bounded parsed headers/rejects duplicates. `/ws/serial` is an ordinary GET until authenticated transport admission explicitly sends 101 and installs the frame handler; automatic HTTPD upgrades happen before URI handlers. Preserve right-aligned unread pending bytes when wiping request memory. Two Set-Cookie calls append pointer-backed fields, whose distinct buffers must survive through send. HTTPD logs above ERROR are compiled out to prevent header/ticket exposure.

+**Ordinary HTTPS idle lifecycle:** Keep six sockets and LRU disabled. `web_httpd_idle` queues at most one owner sweep each second; `web_httpd_adapter` alone reads the installed successful request-plus-purge completion marker. Fifteen seconds of observed ordinary idle (three normal five-second browser polls), current SDK WS/async exemption, pending/readable-input checks and synchronous TLS-create fd invalidation authorize current-owner `shutdown`, never queued `sock_db *` close. Do not use response events, diagnostic wrappers or connection age as the completion/idle boundary. All ordinary response work must finish synchronously or retain the SDK async exemption. Submission fencing precedes HTTPD stop; only successful stop retires queued state and admits a nonreused generation. No tracing dependency, forced per-response close, hard request deadline, arbitrary admission eviction or capacity increase. A reported queue failure retries; accepted-but-lost UDP work stays reserved until successful restart rather than accumulating potentially delayed probes. Exact safety/liveness limits and target checklist: `docs/https_idle_cleanup.md`.
+
 **Consequence:** The version guard is not a source-hash guarantee. Re-audit layout, scratch/pending ownership, logging and handshake/frame dispatch on SDK changes; do not scatter private accesses through application code or assume host doubles prove real socket behavior. No SDK patch is currently applied. See `docs/phase8d3_implementation.md` for verification and target gates.

 **Relevant files:** `src/web_cookie_auth.{c,h}`, `src/web_session_store.{c,h}`, `src/web_httpd_adapter.{c,h}`, `src/web_server.c`, `src/web_serial_transport.c`, `src/CMakeLists.txt`.