Hash table index for O(1) packet history lookups (#9499)

* Use hash table for O(1) lookup of recently seen packets

* Eliminate a packet lookup during deduplication

* Infinite loop checks for find and remove

* Consolidate conditional compilation

* Exclude hash table from minimal build

* Additional comment on hash table capacity

* Unit tests for packet history changes

* Update incorrect comment about size clamp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Const

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Colby Dillion
2026-04-23 18:04:34 -05:00
committed by GitHub
co-authored by Copilot Ben Meadors
parent 837637b70c
commit 83a98c81f6
6 changed files with 1053 additions and 15 deletions
+1
View File
@@ -499,6 +499,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MESHTASTIC_EXCLUDE_PKI 1
#define MESHTASTIC_EXCLUDE_POWER_FSM 1
#define MESHTASTIC_EXCLUDE_TZ 1
#define MESHTASTIC_EXCLUDE_PKT_HISTORY_HASH 1
#endif
// Turn off all optional modules