relay: Avoid duplicate MetricsPort DNS error

We don't output per-type DNS errors anymore so avoid looping over the
DNS query type and output each errors for them. Before this commit, it
created 3x the same message because we had A, AAAA and PTR type records.

Fix on previous commit e7abab8782

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2021-10-20 13:49:44 -04:00
parent e7abab8782
commit 903fb3dd62

View File

@ -165,25 +165,36 @@ fill_dns_error_values(void)
}; };
static const size_t num_errors = ARRAY_LENGTH(errors); static const size_t num_errors = ARRAY_LENGTH(errors);
for (size_t i = 0; i < num_dns_types; i++) { /* NOTE: Disable the record type label until libevent is fixed. */
/* NOTE: Disable the record type label until libevent is fixed. */ (void) num_dns_types;
#if 0 #if 0
for (size_t i = 0; i < num_dns_types; i++) {
/* Dup the label because metrics_format_label() returns a pointer to a /* Dup the label because metrics_format_label() returns a pointer to a
* string on the stack and we need that label for all metrics. */ * string on the stack and we need that label for all metrics. */
char *record_label = char *record_label =
tor_strdup(metrics_format_label("record", dns_types[i].name)); tor_strdup(metrics_format_label("record", dns_types[i].name));
#endif
for (size_t j = 0; j < num_errors; j++) { for (size_t j = 0; j < num_errors; j++) {
sentry = metrics_store_add(the_store, rentry->type, rentry->name, sentry = metrics_store_add(the_store, rentry->type, rentry->name,
rentry->help); rentry->help);
//metrics_store_entry_add_label(sentry, record_label); metrics_store_entry_add_label(sentry, record_label);
metrics_store_entry_add_label(sentry, metrics_store_entry_add_label(sentry,
metrics_format_label("reason", errors[j].name)); metrics_format_label("reason", errors[j].name));
metrics_store_entry_update(sentry, metrics_store_entry_update(sentry,
rep_hist_get_n_dns_error(dns_types[i].type, errors[j].key)); rep_hist_get_n_dns_error(dns_types[i].type, errors[j].key));
} }
//tor_free(record_label); tor_free(record_label);
}
#endif
/* Put in the DNS errors, unfortunately not per-type for now. */
for (size_t j = 0; j < num_errors; j++) {
sentry = metrics_store_add(the_store, rentry->type, rentry->name,
rentry->help);
metrics_store_entry_add_label(sentry,
metrics_format_label("reason", errors[j].name));
metrics_store_entry_update(sentry,
rep_hist_get_n_dns_error(0, errors[j].key));
} }
} }