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Tidy error logging in 961daf8f92

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This commit is contained in:
Simon Kelley
2021-04-07 20:54:36 +01:00
parent 961daf8f92
commit f61afcfc70
1 changed files with 16 additions and 16 deletions
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32
src/forward.c
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@@ -21,6 +21,7 @@ static struct frec *lookup_frec_by_query(void *hash, unsigned int flags);
static unsigned short get_id(void); static unsigned short get_id(void);
static void free_frec(struct frec *f); static void free_frec(struct frec *f);
static void query_full(time_t now);
/* Send a UDP packet with its source address set as "source" /* Send a UDP packet with its source address set as "source"
unless nowild is true, when we just send it with the kernel default */ unless nowild is true, when we just send it with the kernel default */
@@ -355,14 +356,7 @@ static int forward_query(int udpfd, union mysockaddr *udpaddr,
/* If we've been spammed with many duplicates, return REFUSED. */ /* If we've been spammed with many duplicates, return REFUSED. */
if (!daemon->free_frec_src) if (!daemon->free_frec_src)
{ {
static time_t last_log = 0; query_full(now);
if ((int)difftime(now, last_log) > 5)
{
last_log = now;
my_syslog(LOG_WARNING, _("Maximum number of concurrent DNS queries reached (max: %d)"), daemon->ftabsize);
}
goto frec_err; goto frec_err;
} }
@@ -2463,17 +2457,11 @@ struct frec *get_new_frec(time_t now, int *wait, struct frec *force)
/* none available, calculate time 'till oldest record expires */ /* none available, calculate time 'till oldest record expires */
if (!force && count > daemon->ftabsize) if (!force && count > daemon->ftabsize)
{ {
static time_t last_log = 0;
if (oldest && wait) if (oldest && wait)
*wait = oldest->time + (time_t)TIMEOUT - now; *wait = oldest->time + (time_t)TIMEOUT - now;
if ((int)difftime(now, last_log) > 5) query_full(now);
{
last_log = now;
my_syslog(LOG_WARNING, _("Maximum number of concurrent DNS queries reached (max: %d)"), daemon->ftabsize);
}
return NULL; return NULL;
} }
@@ -2484,6 +2472,18 @@ struct frec *get_new_frec(time_t now, int *wait, struct frec *force)
return f; /* OK if malloc fails and this is NULL */ return f; /* OK if malloc fails and this is NULL */
} }
static void query_full(time_t now)
{
static time_t last_log = 0;
if ((int)difftime(now, last_log) > 5)
{
last_log = now;
my_syslog(LOG_WARNING, _("Maximum number of concurrent DNS queries reached (max: %d)"), daemon->ftabsize);
}
}
static struct frec *lookup_frec(unsigned short id, int fd, void *hash) static struct frec *lookup_frec(unsigned short id, int fd, void *hash)
{ {
struct frec *f; struct frec *f;