phk at varnish-cache
Mar 12, 2012, 8:49 AM
Post #1 of 1
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[master] e556146 More deref-reduction:
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commit e556146d8bca01cf714a0594e4454d725a2154c9
Author: Poul-Henning Kamp <phk [at] FreeBSD>
Date: Mon Mar 12 15:48:43 2012 +0000
More deref-reduction:
VRY only needs req, not sess.
Overlooked some lingering sp->wrk's in HSH_Lookup()
diff --git a/bin/varnishd/cache/cache.h b/bin/varnishd/cache/cache.h
index 99c66c3..6aceab0 100644
--- a/bin/varnishd/cache/cache.h
+++ b/bin/varnishd/cache/cache.h
@@ -954,8 +954,8 @@ void RES_BuildHttp(const struct sess *sp);
void RES_WriteObj(struct sess *sp);
/* cache_vary.c */
-struct vsb *VRY_Create(const struct sess *sp, const struct http *hp);
-int VRY_Match(const struct sess *sp, const uint8_t *vary);
+struct vsb *VRY_Create(struct req *sp, const struct http *hp);
+int VRY_Match(struct req *, const uint8_t *vary);
void VRY_Validate(const uint8_t *vary);
/* cache_vcl.c */
diff --git a/bin/varnishd/cache/cache_center.c b/bin/varnishd/cache/cache_center.c
index 4d18395..1192f81 100644
--- a/bin/varnishd/cache/cache_center.c
+++ b/bin/varnishd/cache/cache_center.c
@@ -784,7 +784,7 @@ cnt_prepfetch(struct sess *sp, struct worker *wrk, struct req *req)
/* Create Vary instructions */
if (req->objcore != NULL) {
CHECK_OBJ_NOTNULL(req->objcore, OBJCORE_MAGIC);
- vary = VRY_Create(sp, bo->beresp);
+ vary = VRY_Create(req, bo->beresp);
if (vary != NULL) {
varyl = VSB_len(vary);
assert(varyl > 0);
diff --git a/bin/varnishd/cache/cache_hash.c b/bin/varnishd/cache/cache_hash.c
index 55215e6..34e86a4 100644
--- a/bin/varnishd/cache/cache_hash.c
+++ b/bin/varnishd/cache/cache_hash.c
@@ -302,9 +302,9 @@ HSH_Lookup(struct sess *sp)
AN(hash);
hsh_prealloc(wrk);
- memcpy(sp->wrk->nobjhead->digest, req->digest, sizeof req->digest);
+ memcpy(wrk->nobjhead->digest, req->digest, sizeof req->digest);
if (cache_param->diag_bitmap & 0x80000000)
- hsh_testmagic(sp->wrk->nobjhead->digest);
+ hsh_testmagic(wrk->nobjhead->digest);
if (req->hash_objhead != NULL) {
/*
@@ -339,21 +339,21 @@ HSH_Lookup(struct sess *sp)
continue;
if (oc->busyobj->vary != NULL &&
- !VRY_Match(sp, oc->busyobj->vary))
+ !VRY_Match(req, oc->busyobj->vary))
continue;
busy_oc = oc;
continue;
}
- o = oc_getobj(&sp->wrk->stats, oc);
+ o = oc_getobj(&wrk->stats, oc);
CHECK_OBJ_NOTNULL(o, OBJECT_MAGIC);
if (o->exp.ttl <= 0.)
continue;
if (BAN_CheckObject(o, sp))
continue;
- if (o->vary != NULL && !VRY_Match(sp, o->vary))
+ if (o->vary != NULL && !VRY_Match(req, o->vary))
continue;
/* If still valid, use it */
@@ -390,14 +390,14 @@ HSH_Lookup(struct sess *sp)
&& (busy_oc != NULL /* Somebody else is already busy */
|| !VDI_Healthy(req->director, sp))) {
/* Or it is impossible to fetch */
- o = oc_getobj(&sp->wrk->stats, grace_oc);
+ o = oc_getobj(&wrk->stats, grace_oc);
CHECK_OBJ_NOTNULL(o, OBJECT_MAGIC);
oc = grace_oc;
}
req->objcore = NULL;
if (oc != NULL && !req->hash_always_miss) {
- o = oc_getobj(&sp->wrk->stats, oc);
+ o = oc_getobj(&wrk->stats, oc);
CHECK_OBJ_NOTNULL(o, OBJECT_MAGIC);
assert(oc->objhead == oh);
@@ -414,11 +414,11 @@ HSH_Lookup(struct sess *sp)
if (busy_oc != NULL) {
/* There are one or more busy objects, wait for them */
if (req->esi_level == 0) {
- CHECK_OBJ_NOTNULL(sp->wrk->nwaitinglist,
+ CHECK_OBJ_NOTNULL(wrk->nwaitinglist,
WAITINGLIST_MAGIC);
if (oh->waitinglist == NULL) {
- oh->waitinglist = sp->wrk->nwaitinglist;
- sp->wrk->nwaitinglist = NULL;
+ oh->waitinglist = wrk->nwaitinglist;
+ wrk->nwaitinglist = NULL;
}
VTAILQ_INSERT_TAIL(&oh->waitinglist->list, sp, list);
}
diff --git a/bin/varnishd/cache/cache_vary.c b/bin/varnishd/cache/cache_vary.c
index 7ba9c60..a7bb31c 100644
--- a/bin/varnishd/cache/cache_vary.c
+++ b/bin/varnishd/cache/cache_vary.c
@@ -60,7 +60,7 @@
#include "vend.h"
struct vsb *
-VRY_Create(const struct sess *sp, const struct http *hp)
+VRY_Create(struct req *req, const struct http *hp)
{
char *v, *p, *q, *h, *e;
struct vsb *sb, *sbh;
@@ -79,7 +79,7 @@ VRY_Create(const struct sess *sp, const struct http *hp)
AN(sbh);
if (*v == ':') {
- VSLb(sp->req->vsl, SLT_Error,
+ VSLb(req->vsl, SLT_Error,
"Vary header had extra ':', fix backend");
v++;
}
@@ -97,7 +97,7 @@ VRY_Create(const struct sess *sp, const struct http *hp)
(char)(1 + (q - p)), (int)(q - p), p, 0);
AZ(VSB_finish(sbh));
- if (http_GetHdr(sp->req->http, VSB_data(sbh), &h)) {
+ if (http_GetHdr(req->http, VSB_data(sbh), &h)) {
AZ(vct_issp(*h));
/* Trim trailing space */
e = strchr(h, '\0');
@@ -175,9 +175,9 @@ vry_cmp(const uint8_t *v1, const uint8_t *v2)
}
int
-VRY_Match(const struct sess *sp, const uint8_t *vary)
+VRY_Match(struct req *req, const uint8_t *vary)
{
- uint8_t *vsp = sp->req->vary_b;
+ uint8_t *vsp = req->vary_b;
char *h, *e;
unsigned lh, ln;
int i, retval = 1, oflo = 0;
@@ -188,7 +188,7 @@ VRY_Match(const struct sess *sp, const uint8_t *vary)
if (i == 1) {
/* Build a new entry */
- i = http_GetHdr(sp->req->http,
+ i = http_GetHdr(req->http,
(const char*)(vary+2), &h);
if (i) {
/* Trim trailing space */
@@ -204,8 +204,8 @@ VRY_Match(const struct sess *sp, const uint8_t *vary)
/* Length of the entire new vary entry */
ln = 2 + vary[2] + 2 + (lh == 0xffff ? 0 : lh);
- if (vsp + ln >= sp->req->vary_e) {
- vsp = sp->req->vary_b;
+ if (vsp + ln >= req->vary_e) {
+ vsp = req->vary_b;
oflo = 1;
}
@@ -213,7 +213,7 @@ VRY_Match(const struct sess *sp, const uint8_t *vary)
* We MUST have space for one entry and the end marker
* after it, which prevents old junk from confusing us
*/
- assert(vsp + ln + 2 < sp->req->vary_e);
+ assert(vsp + ln + 2 < req->vary_e);
vbe16enc(vsp, (uint16_t)lh);
memcpy(vsp + 2, vary + 2, vary[2] + 2);
@@ -231,20 +231,20 @@ VRY_Match(const struct sess *sp, const uint8_t *vary)
vsp += vry_len(vsp);
vary += vry_len(vary);
}
- if (vsp + 3 > sp->req->vary_e)
+ if (vsp + 3 > req->vary_e)
oflo = 1;
if (oflo) {
/* XXX: Should log this */
- vsp = sp->req->vary_b;
+ vsp = req->vary_b;
}
vsp[0] = 0xff;
vsp[1] = 0xff;
vsp[2] = 0;
if (oflo)
- sp->req->vary_l = NULL;
+ req->vary_l = NULL;
else
- sp->req->vary_l = vsp + 3;
+ req->vary_l = vsp + 3;
return (retval);
}
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