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Tag DM history snapshots with conversation generation

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evgeny committed 2026-10-26 22:11:39 +01:00
1 parent 07f63c3047
commit fd82e7bf1b
3 files changed
+18 -6
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src/dm/dm_core.c
+14 -4
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@@ -1310,19 +1310,29 @@ void dm_call_route_trampoline(void* arg) {
/* Ограниченный JSON-снимок доставляется GUI асинхронно, без доступа UI к instance/SQLite. */
void dm_messages_trampoline(void* arg) {
struct dm_messages_req* req = arg;
if (!req) return;
if (!req) { DEBUG_ERROR(DEBUG_CATEGORY_DM, "%s: missing history request", DM_ID); return; }
struct UTUN_INSTANCE* inst = req->inst;
char conv[64];
snprintf(conv, sizeof(conv), "%s", req->conv_id);
uint64_t generation = req->generation;
u_free(req);
if (!dm_of(inst)) { DEBUG_WARN(DEBUG_CATEGORY_DM, "%s: snapshot after stop", DM_ID); return; }
if (!generation) generation = dm_history_generation(inst, conv);
if (!dm_history_current(inst, conv, generation)) {
DEBUG_INFO(DEBUG_CATEGORY_DM, "%s: skipped stale history conv=%s generation=%llu", DM_ID, conv,
(unsigned long long)generation); return;
}
size_t cl = strlen(conv), cap = 1024 * 1024, len = 0;
uint8_t* evt = u_malloc(1 + cl + cap);
uint8_t* evt = u_malloc(9 + cl + cap);
if (!evt) { DEBUG_ERROR(DEBUG_CATEGORY_DM, "%s: snapshot allocation failed", DM_ID); return; }
evt[0] = (uint8_t)cl;
memcpy(evt + 1, conv, cl);
if (!dm_list_messages_json(inst, conv, 200, 0, (char*)evt + 1 + cl, cap, &len))
chat_event_post(inst, CHAT_EVT_DM_MESSAGES, evt, (int)(1 + cl + len));
memcpy(evt + 1 + cl, &generation, 8);
if (!dm_list_messages_json(inst, conv, 200, 0, (char*)evt + 9 + cl, cap, &len)) {
DEBUG_DEBUG(DEBUG_CATEGORY_DM, "%s: history snapshot conv=%s generation=%llu bytes=%zu", DM_ID, conv,
(unsigned long long)generation, len);
chat_event_post(inst, CHAT_EVT_DM_MESSAGES, evt, (int)(9 + cl + len));
}
u_free(evt);
}