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sources: improve no majority log message

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Add the number of sources that form an agreement (overlapping
intervals), if at least two agree with each other, and number of
reachable sources to the "Can't synchronize: no majority" log message to
better explain why synchronization is failing and hint that adding more
sources might help.
This commit is contained in:
Miroslav Lichvar
2025-03-06 12:46:09 +01:00
parent ab850d41f4
commit 454ce62672
3 changed files with 21 additions and 4 deletions
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17
sources.c
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@@ -1222,12 +1222,23 @@ SRC_SelectSource(SRC_Instance updated_inst)
assert(depth == 0 && trust_depth == 0);
assert(2 * n_sel_sources == n_endpoints);
if ((best_trust_depth == 0 && best_depth <= n_sel_sources / 2) ||
(best_trust_depth > 0 && best_trust_depth <= n_sel_trust_sources / 2)) {
if (best_trust_depth > 0) {
best_depth = best_trust_depth;
n_sel_sources = n_sel_trust_sources;
}
if (best_depth <= n_sel_sources / 2) {
/* Could not even get half the reachable (trusted) sources to agree */
if (!reported_no_majority) {
log_selection_message(LOGS_WARN, "Can't synchronise: no majority");
if (best_depth < 2)
log_selection_message(LOGS_WARN, "%s (no agreement among %d %ssources)",
"Can't synchronise: no majority", n_sel_sources,
best_trust_depth > 0 ? "trusted " : "");
else
log_selection_message(LOGS_WARN, "%s (only %d of %d %ssources agree)",
"Can't synchronise: no majority", best_depth,
n_sel_sources, best_trust_depth > 0 ? "trusted " : "");
reported_no_majority = 1;
report_selection_loss = 0;
}