Revision: 14933
Author: adrian.chadd
Date: Fri Jul 22 19:50:46 2011
Log: Re-indent/remove tabs
http://code.google.com/p/lusca-cache/source/detail?r=14933
Modified:
/playpen/LUSCA_HEAD_ipv6/libsqname/fqdncache.c
=======================================
--- /playpen/LUSCA_HEAD_ipv6/libsqname/fqdncache.c Sun Jul 11 15:36:23 2010
+++ /playpen/LUSCA_HEAD_ipv6/libsqname/fqdncache.c Fri Jul 22 19:50:46 2011
@@ -124,9 +124,9 @@
int k;
hash_remove_link(fqdn_table, (hash_link *) f);
for (k = 0; k < (int) f->name_count; k++)
- safe_free(f->names[k]);
+ safe_free(f->names[k]);
debug(35, 5) ("fqdncacheRelease: Released FQDN record for '%s'.\n",
- hashKeyStr(&f->hash));
+ hashKeyStr(&f->hash));
dlinkDelete(&f->lru, &fqdncache_lru_list);
safe_free(f->hash.key);
safe_free(f->error_message);
@@ -141,8 +141,8 @@
static fqdncache_entry *f;
f = NULL;
if (fqdn_table) {
- if ((e = hash_lookup(fqdn_table, name)) != NULL)
- f = (fqdncache_entry *) e;
+ if ((e = hash_lookup(fqdn_table, name)) != NULL)
+ f = (fqdncache_entry *) e;
}
return f;
}
@@ -152,9 +152,9 @@
{
/* all static entries are locked, so this takes care of them too */
if (f->locks != 0)
- return 0;
+ return 0;
if (f->expires > squid_curtime)
- return 0;
+ return 0;
return 1;
}
@@ -167,14 +167,14 @@
int removed = 0;
eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 10.0, 1);
for (m = fqdncache_lru_list.tail; m; m = prev) {
- if (memPoolInUseCount(pool_fqdncache) < fqdncache_low)
- break;
- prev = m->prev;
- f = m->data;
- if (f->locks != 0)
- continue;
- fqdncacheRelease(f);
- removed++;
+ if (memPoolInUseCount(pool_fqdncache) < fqdncache_low)
+ break;
+ prev = m->prev;
+ f = m->data;
+ if (f->locks != 0)
+ continue;
+ fqdncacheRelease(f);
+ removed++;
}
debug(35, 9) ("fqdncache_purgelru: removed %d entries\n", removed);
}
@@ -186,17 +186,17 @@
fqdncache_entry *i = NULL;
fqdncache_entry *t;
while (m) {
- if (i != NULL) { /* need to delay deletion */
- fqdncacheRelease(i); /* we just override locks */
- i = NULL;
- }
- t = m->data;
- if (t->flags.fromhosts)
- i = t;
- m = m->next;
+ if (i != NULL) { /* need to delay deletion */
+ fqdncacheRelease(i); /* we just override locks */
+ i = NULL;
+ }
+ t = m->data;
+ if (t->flags.fromhosts)
+ i = t;
+ m = m->next;
}
if (i != NULL)
- fqdncacheRelease(i);
+ fqdncacheRelease(i);
}
/* create blank fqdncache_entry */
@@ -215,8 +215,8 @@
{
fqdncache_entry *e = (fqdncache_entry *) hash_lookup(fqdn_table,
f->hash.key);
if (NULL != e) {
- /* avoid collision */
- fqdncacheRelease(e);
+ /* avoid collision */
+ fqdncacheRelease(e);
}
hash_join(fqdn_table, &f->hash);
dlinkAdd(f, &f->lru, &fqdncache_lru_list);
@@ -231,13 +231,13 @@
void *handlerData = f->handlerData;
f->lastref = squid_curtime;
if (NULL == handler)
- return;
+ return;
fqdncacheLockEntry(f);
f->handler = NULL;
f->handlerData = NULL;
if (cbdataValid(handlerData)) {
- dns_error_message = f->error_message;
- handler(f->name_count ? f->names[0] : NULL, handlerData);
+ dns_error_message = f->error_message;
+ handler(f->name_count ? f->names[0] : NULL, handlerData);
}
cbdataUnlock(handlerData);
fqdncacheUnlockEntry(f);
@@ -252,46 +252,46 @@
f->expires = squid_curtime + namecache_dns_negative_ttl;
f->flags.negcached = 1;
if (nr < 0) {
- debug(35, 3) ("fqdncacheParse: Lookup of '%s' failed (%s)\n", name,
error_message);
- f->error_message = xstrdup(error_message);
- return f;
+ debug(35, 3) ("fqdncacheParse: Lookup of '%s' failed (%s)\n",
name, error_message);
+ f->error_message = xstrdup(error_message);
+ return f;
}
if (nr == 0) {
- debug(35, 3) ("fqdncacheParse: No DNS records for '%s'\n", name);
- f->error_message = xstrdup("No DNS records");
- return f;
+ debug(35, 3) ("fqdncacheParse: No DNS records for '%s'\n", name);
+ f->error_message = xstrdup("No DNS records");
+ return f;
}
debug(35, 3) ("fqdncacheParse: %d answers for '%s'\n", nr, name);
assert(answers);
for (k = 0; k < nr; k++) {
- if (answers[k].class != RFC1035_CLASS_IN)
- continue;
- if (answers[k].type == RFC1035_TYPE_PTR) {
- if (!answers[k].rdata[0]) {
- debug(35, 2) ("fqdncacheParse: blank PTR record for '%s'\n",
name);
- continue;
- }
- if (strchr(answers[k].rdata, ' ')) {
- debug(35, 2) ("fqdncacheParse: invalid PTR record '%s' for '%s'\n",
answers[k].rdata, name);
- continue;
- }
- f->names[f->name_count++] = xstrdup(answers[k].rdata);
- } else if (answers[k].type != RFC1035_TYPE_CNAME)
- continue;
- if (ttl == 0 || answers[k].ttl < ttl)
- ttl = answers[k].ttl;
- if (f->name_count >= FQDN_MAX_NAMES)
- break;
+ if (answers[k].class != RFC1035_CLASS_IN)
+ continue;
+ if (answers[k].type == RFC1035_TYPE_PTR) {
+ if (!answers[k].rdata[0]) {
+ debug(35, 2) ("fqdncacheParse: blank PTR record
for '%s'\n", name);
+ continue;
+ }
+ if (strchr(answers[k].rdata, ' ')) {
+ debug(35, 2) ("fqdncacheParse: invalid PTR record '%s'
for '%s'\n", answers[k].rdata, name);
+ continue;
+ }
+ f->names[f->name_count++] = xstrdup(answers[k].rdata);
+ } else if (answers[k].type != RFC1035_TYPE_CNAME)
+ continue;
+ if (ttl == 0 || answers[k].ttl < ttl)
+ ttl = answers[k].ttl;
+ if (f->name_count >= FQDN_MAX_NAMES)
+ break;
}
if (f->name_count == 0) {
- debug(35, 1) ("fqdncacheParse: No PTR record for '%s'\n", name);
- f->error_message = xstrdup("No PTR record");
- return f;
+ debug(35, 1) ("fqdncacheParse: No PTR record for '%s'\n", name);
+ f->error_message = xstrdup("No PTR record");
+ return f;
}
if (ttl > namecache_dns_positive_ttl)
- ttl = namecache_dns_positive_ttl;
+ ttl = namecache_dns_positive_ttl;
if (ttl < namecache_dns_negative_ttl)
- ttl = namecache_dns_negative_ttl;
+ ttl = namecache_dns_negative_ttl;
f->expires = squid_curtime + ttl;
f->flags.negcached = 0;
return f;
@@ -308,7 +308,7 @@
n = ++FqdncacheStats.replies;
#if NOTYET
statHistCount(&statCounter.dns.svc_time,
- tvSubMsec(f->request_time, current_time));
+ tvSubMsec(f->request_time, current_time));
#endif
fqdncacheParse(f, answers, na, error_message);
fqdncacheAddEntry(f);
@@ -319,17 +319,17 @@
void
fqdncache_nbgethostbyaddr6(sqaddr_t *addr, FQDNH * handler, void
*handlerData)
{
- struct in_addr a;
-
- if (sqinet_get_family(addr) != AF_INET) {
- debug(35, 1) ("fqdncache_nbgethostbyaddr: IPv6 not yet
supported!\n");
- dns_error_message = "IPv6 FQDNcache not yet supported!";
- handler(NULL, handlerData);
- return;
- }
-
- a = sqinet_get_v4_inaddr(addr, SQADDR_ASSERT_IS_V4);
- return fqdncache_nbgethostbyaddr(a, handler, handlerData);
+ struct in_addr a;
+
+ if (sqinet_get_family(addr) != AF_INET) {
+ debug(35, 1) ("fqdncache_nbgethostbyaddr: IPv6 not yet
supported!\n");
+ dns_error_message = "IPv6 FQDNcache not yet supported!";
+ handler(NULL, handlerData);
+ return;
+ }
+
+ a = sqinet_get_v4_inaddr(addr, SQADDR_ASSERT_IS_V4);
+ return fqdncache_nbgethostbyaddr(a, handler, handlerData);
}
void
@@ -342,31 +342,31 @@
debug(35, 4) ("fqdncache_nbgethostbyaddr: Name '%s'.\n", name);
FqdncacheStats.requests++;
if (name == NULL || name[0] == '\0') {
- debug(35, 4) ("fqdncache_nbgethostbyaddr: Invalid name!\n");
- dns_error_message = "Invalid hostname";
- handler(NULL, handlerData);
- return;
+ debug(35, 4) ("fqdncache_nbgethostbyaddr: Invalid name!\n");
+ dns_error_message = "Invalid hostname";
+ handler(NULL, handlerData);
+ return;
}
f = fqdncache_get(name);
if (NULL == f) {
- /* miss */
- (void) 0;
+ /* miss */
+ (void) 0;
} else if (fqdncacheExpiredEntry(f)) {
- /* hit, but expired -- bummer */
- fqdncacheRelease(f);
- f = NULL;
+ /* hit, but expired -- bummer */
+ fqdncacheRelease(f);
+ f = NULL;
} else {
- /* hit */
- debug(35, 4) ("fqdncache_nbgethostbyaddr: HIT for '%s'\n", name);
- if (f->flags.negcached)
- FqdncacheStats.negative_hits++;
- else
- FqdncacheStats.hits++;
- f->handler = handler;
- f->handlerData = handlerData;
- cbdataLock(handlerData);
- fqdncacheCallback(f);
- return;
+ /* hit */
+ debug(35, 4) ("fqdncache_nbgethostbyaddr: HIT for '%s'\n", name);
+ if (f->flags.negcached)
+ FqdncacheStats.negative_hits++;
+ else
+ FqdncacheStats.hits++;
+ f->handler = handler;
+ f->handlerData = handlerData;
+ cbdataLock(handlerData);
+ fqdncacheCallback(f);
+ return;
}
debug(35, 5) ("fqdncache_nbgethostbyaddr: MISS for '%s'\n", name);
@@ -388,14 +388,14 @@
{
int n;
if (fqdn_table)
- return;
+ return;
debug(35, 3) ("Initializing FQDN Cache...\n");
memset(&FqdncacheStats, '\0', sizeof(FqdncacheStats));
memset(&fqdncache_lru_list, '\0', sizeof(fqdncache_lru_list));
fqdncache_high = (long) (((float) namecache_fqdncache_size *
- (float) FQDN_HIGH_WATER) / (float) 100);
+ (float) FQDN_HIGH_WATER) / (float) 100);
fqdncache_low = (long) (((float) namecache_fqdncache_size *
- (float) FQDN_LOW_WATER) / (float) 100);
+ (float) FQDN_LOW_WATER) / (float) 100);
n = hashPrime(fqdncache_high / 4);
fqdn_table = hash_create((HASHCMP *) strcmp, n, hash4);
pool_fqdncache = memPoolCreate("fqdncache_entry",
sizeof(fqdncache_entry));
@@ -405,13 +405,13 @@
const char *
fqdncache_gethostbyaddr6(sqaddr_t *addr, int flags)
{
- struct in_addr a;
-
- if (sqinet_get_family(addr) != AF_INET)
- return NULL;
-
- a = sqinet_get_v4_inaddr(addr, SQADDR_ASSERT_IS_V4);
- return fqdncache_gethostbyaddr(a, flags);
+ struct in_addr a;
+
+ if (sqinet_get_family(addr) != AF_INET)
+ return NULL;
+
+ a = sqinet_get_v4_inaddr(addr, SQADDR_ASSERT_IS_V4);
+ return fqdncache_gethostbyaddr(a, flags);
}
const char *
@@ -424,27 +424,27 @@
FqdncacheStats.requests++;
f = fqdncache_get(name);
if (NULL == f) {
- (void) 0;
+ (void) 0;
} else if (fqdncacheExpiredEntry(f)) {
- fqdncacheRelease(f);
- f = NULL;
+ fqdncacheRelease(f);
+ f = NULL;
} else if (f->flags.negcached) {
- FqdncacheStats.negative_hits++;
- dns_error_message = f->error_message;
- return NULL;
+ FqdncacheStats.negative_hits++;
+ dns_error_message = f->error_message;
+ return NULL;
} else {
- FqdncacheStats.hits++;
- f->lastref = squid_curtime;
- dns_error_message = f->error_message;
- return f->names[0];
+ FqdncacheStats.hits++;
+ f->lastref = squid_curtime;
+ dns_error_message = f->error_message;
+ return f->names[0];
}
dns_error_message = NULL;
/* check if it's already a FQDN address in text form. */
if (!safe_inet_addr(name, &ip))
- return name;
+ return name;
FqdncacheStats.misses++;
if (flags & FQDN_LOOKUP_IF_MISS)
- fqdncache_nbgethostbyaddr(addr, dummy_handler, NULL);
+ fqdncache_nbgethostbyaddr(addr, dummy_handler, NULL);
return NULL;
}
@@ -461,7 +461,7 @@
const char *n;
static char buf[32];
if (namecache_fqdncache_logfqdn && (n = fqdncache_gethostbyaddr(addr,
0)))
- return n;
+ return n;
xstrncpy(buf, inet_ntoa(addr), 32);
return buf;
}
@@ -470,8 +470,8 @@
fqdncacheLockEntry(fqdncache_entry * f)
{
if (f->locks++ == 0) {
- dlinkDelete(&f->lru, &fqdncache_lru_list);
- dlinkAdd(f, &f->lru, &fqdncache_lru_list);
+ dlinkDelete(&f->lru, &fqdncache_lru_list);
+ dlinkAdd(f, &f->lru, &fqdncache_lru_list);
}
}
@@ -481,7 +481,7 @@
assert(f->locks > 0);
f->locks--;
if (fqdncacheExpiredEntry(f))
- fqdncacheRelease(f);
+ fqdncacheRelease(f);
}
static void
@@ -490,7 +490,7 @@
fqdncache_entry *f = data;
int k;
for (k = 0; k < (int) f->name_count; k++)
- safe_free(f->names[k]);
+ safe_free(f->names[k]);
safe_free(f->hash.key);
safe_free(f->error_message);
memPoolFree(pool_fqdncache, f);
@@ -509,9 +509,9 @@
fqdncache_restart(void)
{
fqdncache_high = (long) (((float) namecache_fqdncache_size *
- (float) FQDN_HIGH_WATER) / (float) 100);
+ (float) FQDN_HIGH_WATER) / (float) 100);
fqdncache_low = (long) (((float) namecache_fqdncache_size *
- (float) FQDN_LOW_WATER) / (float) 100);
+ (float) FQDN_LOW_WATER) / (float) 100);
purge_entries_fromhosts();
}
@@ -525,25 +525,25 @@
fqdncache_entry *fce;
int j = 0;
if ((fce = fqdncache_get(addr))) {
- if (1 == fce->flags.fromhosts) {
- fqdncacheUnlockEntry(fce);
- } else if (fce->locks > 0) {
- debug(35, 1) ("fqdncacheAddEntryFromHosts: can't add static entry for
locked address '%s'\n", addr);
- return;
- } else {
- fqdncacheRelease(fce);
- }
+ if (1 == fce->flags.fromhosts) {
+ fqdncacheUnlockEntry(fce);
+ } else if (fce->locks > 0) {
+ debug(35, 1) ("fqdncacheAddEntryFromHosts: can't add static
entry for locked address '%s'\n", addr);
+ return;
+ } else {
+ fqdncacheRelease(fce);
+ }
}
fce = fqdncacheCreateEntry(addr);
while (hostnames) {
- fce->names[j] = xstrdup(hostnames->key);
- j++;
- hostnames = hostnames->next;
- if (j >= FQDN_MAX_NAMES)
- break;
+ fce->names[j] = xstrdup(hostnames->key);
+ j++;
+ hostnames = hostnames->next;
+ if (j >= FQDN_MAX_NAMES)
+ break;
}
fce->name_count = j;
- fce->names[j] = NULL; /* it's safe */
+ fce->names[j] = NULL; /* it's safe */
fce->flags.fromhosts = 1;
fqdncacheAddEntry(fce);
fqdncacheLockEntry(fce);
--
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