From 93a6f3ed8532f0627ea6dd0df9c56f2a852c058e Mon Sep 17 00:00:00 2001
From: phk <phk@d4fa192b-c00b-0410-8231-f00ffab90ce4>
Date: Fri, 27 Feb 2009 11:36:16 +0000
Subject: [PATCH] Don't pollute bereq.* in vcl_fetch{} with the reply

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@3833 d4fa192b-c00b-0410-8231-f00ffab90ce4
---
 varnish-cache/bin/varnishd/cache.h         | 2 +-
 varnish-cache/bin/varnishd/cache_backend.c | 3 ++-
 varnish-cache/bin/varnishd/cache_fetch.c   | 9 ++++++++-
 varnish-cache/bin/varnishd/cache_vrt.c     | 2 +-
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/varnish-cache/bin/varnishd/cache.h b/varnish-cache/bin/varnishd/cache.h
index 0993301d..63c230fd 100644
--- a/varnish-cache/bin/varnishd/cache.h
+++ b/varnish-cache/bin/varnishd/cache.h
@@ -242,7 +242,7 @@ struct bereq {
 #define BEREQ_MAGIC		0x3b6d250c
 	VTAILQ_ENTRY(bereq)	list;
 	struct ws		ws[1];
-	struct http		http[1];
+	struct http		http[2];
 };
 
 /* Storage -----------------------------------------------------------*/
diff --git a/varnish-cache/bin/varnishd/cache_backend.c b/varnish-cache/bin/varnishd/cache_backend.c
index e691b534..3637fedd 100644
--- a/varnish-cache/bin/varnishd/cache_backend.c
+++ b/varnish-cache/bin/varnishd/cache_backend.c
@@ -163,7 +163,8 @@ VBE_new_bereq(void)
 		WS_Init(bereq->ws, "bereq", bereq + 1, len);
 		VSL_stats->n_bereq++;
 	}
-	http_Setup(bereq->http, bereq->ws);
+	http_Setup(&bereq->http[0], bereq->ws);
+	http_Setup(&bereq->http[1], bereq->ws);
 	return (bereq);
 }
 
diff --git a/varnish-cache/bin/varnishd/cache_fetch.c b/varnish-cache/bin/varnishd/cache_fetch.c
index fd08aecb..03e928c5 100644
--- a/varnish-cache/bin/varnishd/cache_fetch.c
+++ b/varnish-cache/bin/varnishd/cache_fetch.c
@@ -329,9 +329,12 @@ Fetch(struct sess *sp)
 	if (sp->obj->objcore != NULL)		/* pass has no objcore */
 		AN(ObjIsBusy(sp->obj));
 	AN(sp->bereq);
+
+	/* Transmit request */
+
 	w = sp->wrk;
 	bereq = sp->bereq;
-	hp = bereq->http;
+	hp = &bereq->http[0];
 	is_head = (strcasecmp(http_GetReq(hp), "head") == 0);
 
 	sp->obj->xid = sp->xid;
@@ -371,6 +374,8 @@ Fetch(struct sess *sp)
 	/* XXX is this the right place? */
 	VSL_stats->backend_req++;
 
+	/* Receive response */
+
 	HTC_Init(htc, bereq->ws, vc->fd);
 	TCP_set_read_timeout(vc->fd, sp->first_byte_timeout);
 	do {
@@ -385,6 +390,8 @@ Fetch(struct sess *sp)
 		return (__LINE__);
 	}
 
+	hp = &bereq->http[1];
+
 	if (http_DissectResponse(sp->wrk, htc, hp)) {
 		VBE_ClosedFd(sp);
 		/* XXX: other cleanup ? */
diff --git a/varnish-cache/bin/varnishd/cache_vrt.c b/varnish-cache/bin/varnishd/cache_vrt.c
index aacfe39d..bfddf0c7 100644
--- a/varnish-cache/bin/varnishd/cache_vrt.c
+++ b/varnish-cache/bin/varnishd/cache_vrt.c
@@ -100,7 +100,7 @@ vrt_selecthttp(const struct sess *sp, enum gethdr_e where)
 		hp = sp->http;
 		break;
 	case HDR_BEREQ:
-		hp = sp->bereq->http;
+		hp = &sp->bereq->http[0];
 		break;
 	case HDR_RESP:
 		hp = sp->http;
-- 
2.39.5