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feat(ha-repl-hardening): populate stateReport in standby heartbeat reply (task 2.3)

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OPCode_nop handler now sends stateReport {applied_lsn, config_tag}
instead of nodata. Function in ha.c for unit-test linkability.
Two tests: warm state and zero-state fresh standby (Req 1.4).
This commit is contained in:
Rongsong Shen 2026-06-04 16:08:11 +00:00
parent 6bbcff62ca
commit 7dc657b1bd
5 changed files with 128 additions and 5 deletions
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11
src/controller/ha.h
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@ -26,8 +26,9 @@
#include <time.h>
#include "config.h" /* XCE_MAXNAME_LEN, MAX_STANDBYS, etc. */
#include "myconf.h" /* myconf_t, config_version_tag */
#include "persist.h" /* persist_t, apply_wal_entry */
#include "typemap.h" /* wal_catchup_entry_t */
#include "typemap.h" /* wal_catchup_entry_t, state_report_t, xce_reply_t */
#include "xce/cluster.h" /* xce_candidate_t */
#include "zarray.h"
#include "raft/raft.h" /* raft_state_t, raft_init */
@ -280,6 +281,14 @@ int ha_dispatch_gate(ha_state_t *ha, int opcode);
int ha_apply_wal_catchup_entry(ha_state_t *ha, persist_t *p,
wal_catchup_entry_t *entry);
/* ha_nop_reply_state_report — populate a heartbeat reply with stateReport.
* Fills *sr from ha->applied_lsn (atomic read) and myconf->config_version_tag,
* then sets reply_out->data_which = stateReportMsg and
* reply_out->data.state_report = sr.
* Caller must keep *sr live until xce_reply() serialises the reply. */
void ha_nop_reply_state_report(ha_state_t *ha, myconf_t *myconf,
state_report_t *sr, xce_reply_t *reply_out);
/* ── HA Config Bootstrap & Term Durability (ha-config-bootstrap spec) ── */
/*