/*
* Refreshes the header mask. Useful after httpHeaderDelAt constructs
*/
void
httpHeaderRefreshMask(HttpHeader * hdr)
{
HttpHeaderPos pos = HttpHeaderInitPos;
HttpHeaderEntry *e;
httpHeaderMaskInit(&hdr->mask, 0);
debug(55, 7) ("refreshing the mask in hdr %p\n", hdr);
while ((e = httpHeaderGetEntry(hdr, &pos))) {
CBIT_SET(hdr->mask, e->id);
}
}
/* calculates a bit mask of a given array; does not reset mask! */
void
httpHeaderCalcMask(HttpHeaderMask * mask, const int *enums, int count)
{
int i;
assert(mask && enums);
assert(count < sizeof(*mask) * 8); /* check for overflow */
for (i = 0; i < count; ++i) {
assert(!CBIT_TEST(*mask, enums[i])); /* check for duplicates */
CBIT_SET(*mask, enums[i]);
}
}
/* appends an entry;
* does not call httpHeaderEntryClone() so one should not reuse "*e"
*/
void
httpHeaderAddEntry(HttpHeader * hdr, HttpHeaderEntry * e)
{
assert(hdr && e);
assert_eid(e->id);
debug(55, 7) ("%p adding entry: %d at %d\n",
hdr, e->id, hdr->entries.count);
if (CBIT_TEST(hdr->mask, e->id))
Headers[e->id].stat.repCount++;
else
CBIT_SET(hdr->mask, e->id);
arrayAppend(&hdr->entries, e);
/* increment header length, allow for ": " and crlf */
hdr->len += strLen(e->name) + 2 + strLen(e->value) + 2;
}
/*
* deletes all fields with a given name if any, returns #fields deleted;
*/
int
httpHeaderDelByName(HttpHeader * hdr, const char *name)
{
int count = 0;
HttpHeaderPos pos = HttpHeaderInitPos;
HttpHeaderEntry *e;
httpHeaderMaskInit(&hdr->mask, 0); /* temporal inconsistency */
debug(55, 7) ("deleting '%s' fields in hdr %p\n", name, hdr);
while ((e = httpHeaderGetEntry(hdr, &pos))) {
if (!strCaseCmp(e->name, name)) {
httpHeaderDelAt(hdr, pos);
count++;
} else
CBIT_SET(hdr->mask, e->id);
}
return count;
}
void
cacheDigestAdd(CacheDigest * cd, const cache_key * key)
{
assert(cd && key);
/* hash */
cacheDigestHashKey(cd, key);
/* turn on corresponding bits */
#if CD_FAST_ADD
CBIT_SET(cd->mask, hashed_keys[0]);
CBIT_SET(cd->mask, hashed_keys[1]);
CBIT_SET(cd->mask, hashed_keys[2]);
CBIT_SET(cd->mask, hashed_keys[3]);
#else
{
int on_xition_cnt = 0;
if (!CBIT_TEST(cd->mask, hashed_keys[0]))
{
CBIT_SET(cd->mask, hashed_keys[0]);
on_xition_cnt++;
}
if (!CBIT_TEST(cd->mask, hashed_keys[1]))
{
CBIT_SET(cd->mask, hashed_keys[1]);
on_xition_cnt++;
}
if (!CBIT_TEST(cd->mask, hashed_keys[2]))
{
CBIT_SET(cd->mask, hashed_keys[2]);
on_xition_cnt++;
}
if (!CBIT_TEST(cd->mask, hashed_keys[3]))
{
CBIT_SET(cd->mask, hashed_keys[3]);
on_xition_cnt++;
}
statHistCount(&statCounter.cd.on_xition_count, on_xition_cnt);
}
#endif
cd->count++;
}
