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Reuse workspace bit in struct server ->flags.

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This commit is contained in:
Simon Kelley
2021-07-01 13:22:10 +01:00
parent 9d806c51c2
commit 4205e2ebcf
2 changed files with 20 additions and 11 deletions
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27
src/cache.c
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@@ -1602,18 +1602,18 @@ int cache_make_stat(struct txt_record *t)
case TXT_STAT_SERVERS:
/* sum counts from different records for same server */
for (serv = daemon->servers; serv; serv = serv->next)
serv->flags &= ~SERV_COUNTED;
serv->flags &= ~SERV_MARK;
for (serv = daemon->servers; serv; serv = serv->next)
if (!(serv->flags & SERV_COUNTED))
if (!(serv->flags & SERV_MARK))
{
char *new, *lenp;
int port, newlen, bytes_avail, bytes_needed;
unsigned int queries = 0, failed_queries = 0;
for (serv1 = serv; serv1; serv1 = serv1->next)
if (!(serv1->flags & SERV_COUNTED) && sockaddr_isequal(&serv->addr, &serv1->addr))
if (!(serv1->flags & SERV_MARK) && sockaddr_isequal(&serv->addr, &serv1->addr))
{
serv1->flags |= SERV_COUNTED;
serv1->flags |= SERV_MARK;
queries += serv1->queries;
failed_queries += serv1->failed_queries;
}
@@ -1641,6 +1641,11 @@ int cache_make_stat(struct txt_record *t)
}
t->txt = (unsigned char *)buff;
t->len = p - buff;
/* clear our workspace, these bits are assumed zero elsewhere. */
for (serv = daemon->servers; serv; serv = serv->next)
serv->flags &= ~SERV_MARK;
return 1;
}
@@ -1683,24 +1688,28 @@ void dump_cache(time_t now)
/* sum counts from different records for same server */
for (serv = daemon->servers; serv; serv = serv->next)
serv->flags &= ~SERV_COUNTED;
serv->flags &= ~SERV_MARK;
for (serv = daemon->servers; serv; serv = serv->next)
if (!(serv->flags & SERV_COUNTED))
if (!(serv->flags & SERV_MARK))
{
int port;
unsigned int queries = 0, failed_queries = 0;
for (serv1 = serv; serv1; serv1 = serv1->next)
if (!(serv1->flags & SERV_COUNTED) && sockaddr_isequal(&serv->addr, &serv1->addr))
if (!(serv1->flags & SERV_MARK) && sockaddr_isequal(&serv->addr, &serv1->addr))
{
serv1->flags |= SERV_COUNTED;
serv1->flags |= SERV_MARK;
queries += serv1->queries;
failed_queries += serv1->failed_queries;
}
port = prettyprint_addr(&serv->addr, daemon->addrbuff);
my_syslog(LOG_INFO, _("server %s#%d: queries sent %u, retried or failed %u"), daemon->addrbuff, port, queries, failed_queries);
}
/* other code assumes these are left as zeros. */
for (serv = daemon->servers; serv; serv = serv->next)
serv->flags &= ~SERV_MARK;
if (option_bool(OPT_DEBUG) || option_bool(OPT_LOG))
{
struct crec *cache ;