Give the busyobj a copy of req->digest, and move adding saintmode entries

to use busyobj.

bin/varnishd/cache/cache.h

@@ -516,6 +516,7 @@ struct busyobj {
 	struct http		*bereq;
 	struct http		*beresp;
 	struct object		*fetch_obj;
+	unsigned char		digest[DIGEST_LEN];
 	struct exp		exp;
 	struct http_conn	htc;
 

bin/varnishd/cache/cache_backend.c

@@ -228,27 +228,24 @@ vbe_NewConn(void)
  */
 
 void
-VBE_AddTrouble(const struct req *req, double dt)
+VBE_AddTrouble(const struct busyobj *bo, double expires)
 {
 	struct trouble *tp;
 	struct vbc *vbc;
 	struct backend *be;
 
-	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
-	CHECK_OBJ_NOTNULL(req->busyobj, BUSYOBJ_MAGIC);
-	vbc = req->busyobj->vbc;
+	CHECK_OBJ_NOTNULL(bo, BUSYOBJ_MAGIC);
+	vbc = bo->vbc;
 	if (vbc == NULL)
 		return;
 	CHECK_OBJ_NOTNULL(vbc, VBC_MAGIC);
 	be = vbc->backend;
 	CHECK_OBJ_NOTNULL(be, BACKEND_MAGIC);
-	if (dt <= 0.)
-		return;
 	ALLOC_OBJ(tp, TROUBLE_MAGIC);
 	if (tp == NULL)
 		return;
-	memcpy(tp->digest, req->digest, sizeof tp->digest);
-	tp->timeout = req->t_req + dt;
+	memcpy(tp->digest, bo->digest, sizeof tp->digest);
+	tp->timeout = expires;
 	Lck_Lock(&vbc->backend->mtx);
 	VTAILQ_INSERT_HEAD(&be->troublelist, tp, list);
 	be->n_trouble++;

bin/varnishd/cache/cache_backend.h

@@ -169,7 +169,7 @@ struct vbc {
 
 /* cache_backend.c */
 void VBE_ReleaseConn(struct vbc *vc);
-void VBE_AddTrouble(const struct req *req, double dt);
+void VBE_AddTrouble(const struct busyobj *, double expires);
 
 /* cache_backend_cfg.c */
 void VBE_DropRefConn(struct backend *);

bin/varnishd/cache/cache_busyobj.c

@@ -137,6 +137,8 @@ VBO_GetBusyObj(struct worker *wrk, struct req *req)
 
 	WS_Init(bo->ws, "bo", p, bo->end - p);
 
+	memcpy(bo->digest, req->digest, sizeof bo->digest);
+
 	bo->do_stream = 1;
 
 	return (bo);

bin/varnishd/cache/cache_vrt.c

@@ -391,10 +391,11 @@ VRT_BOOL_string(unsigned val)
  */
 
 void
-VRT_l_beresp_saintmode(const struct req *req, double a)
+VRT_l_beresp_saintmode(const struct busyobj *bo, double a)
 {
 
-	VBE_AddTrouble(req, a);
+	if (a > 0.)
+		VBE_AddTrouble(bo, a + VTIM_real());
 }
 
 /*--------------------------------------------------------------------*/

lib/libvcl/generate.py

@@ -295,7 +295,7 @@ sp_variables = (
 		'DURATION',
 		( ),
 		( 'backend_response',),
-		'cR'
+		'cB'
 	),
 	('beresp.status',
 		'INT',