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feat(ha-config-bootstrap): implement EPOLLRDHUP failover and heartbeat timeout vtask (task 9.4)

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Rongsong Shen 2026-05-29 07:17:55 +00:00
parent 9bbff7b016
commit 0d5f2cb1bb
6 changed files with 434 additions and 1 deletions
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22
src/controller/ha.h
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@ -411,6 +411,28 @@ int xce_probe_config_tag(const char *host, uint16_t port, uint64_t *tag_out);
*/
ctrl_role_t ha_wait_for_heartbeat_or_timeout(ha_state_t *ha);
/* ── Task 9.4: EPOLLRDHUP Failover and Heartbeat Timeout (Req 6.2–6.4, 6.8) ─
* ha_on_primary_ctrl_fd_rdhup: EPOLLRDHUP event handler.
* Closes primary_ctrl_fd, transitions to CTRL_ELECTING, truncates WAL to
* last_known_committed_lsn, fires am_i_primary_quorum (via cluster when non-NULL).
* Pass c == NULL to skip persist/election (unit test mode).
*/
void ha_on_primary_ctrl_fd_rdhup(ha_state_t *ha, cluster_t *c);
/*
* ha_arm_heartbeat_timeout_vtask: start/re-arm the heartbeat watchdog thread.
* Fires ha_on_primary_ctrl_fd_rdhup after election_timeout_ms + rand_jitter of
* silence. Calling ha_on_heartbeat_received() resets the deadline.
*/
void ha_arm_heartbeat_timeout_vtask(ha_state_t *ha, cluster_t *c);
/* ha_on_heartbeat_received: reset the heartbeat deadline (Req 6.3). */
void ha_on_heartbeat_received(ha_state_t *ha);
/* ha_disarm_heartbeat_timeout_vtask: stop the heartbeat watchdog thread. */
void ha_disarm_heartbeat_timeout_vtask(ha_state_t *ha);
/* ── Task 9.2: Persistent Control Channel (Req 6.1) ───────────────────────── */
/*