Give workspaces an identifying string to aid debugging.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2183 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/cache.h

@@ -90,6 +90,7 @@ enum step {
  */
 
 struct ws {
+	const char		*id;		/* identity */
 	char			*s;		/* (S)tart of buffer */
 	char			*f;		/* (F)ree pointer */
 	char			*r;		/* (R)eserved length */
@@ -584,7 +585,7 @@ void ESI_Destroy(struct object *);
 
 /* cache_ws.c */
 
-void WS_Init(struct ws *ws, void *space, unsigned len);
+void WS_Init(struct ws *ws, const char *id, void *space, unsigned len);
 unsigned WS_Reserve(struct ws *ws, unsigned bytes);
 void WS_Release(struct ws *ws, unsigned bytes);
 void WS_ReleaseP(struct ws *ws, char *ptr);

bin/varnishd/cache_backend.c

@@ -147,7 +147,7 @@ VBE_new_bereq(void)
 		if (bereq == NULL)
 			return (NULL);
 		bereq->magic = BEREQ_MAGIC;
-		WS_Init(bereq->ws, bereq + 1, len);
+		WS_Init(bereq->ws, "bereq", bereq + 1, len);
 	}
 	http_Setup(bereq->http, bereq->ws);
 	return (bereq);

bin/varnishd/cache_fetch.c

@@ -278,7 +278,7 @@ Fetch(struct sess *sp)
 
 	/* Set up obj's workspace */
 	st = sp->obj->objstore;
-	WS_Init(sp->obj->ws_o, st->ptr + st->len, st->space - st->len);
+	WS_Init(sp->obj->ws_o, "obj", st->ptr + st->len, st->space - st->len);
 	st->len = st->space;
 	WS_Assert(sp->obj->ws_o);
 	http_Setup(sp->obj->http, sp->obj->ws_o);

bin/varnishd/cache_session.c

@@ -318,7 +318,7 @@ SES_New(const struct sockaddr *addr, unsigned len)
 		sp->sockaddrlen = len;
 	}
 
-	WS_Init(sp->ws, (void *)(sm + 1), sm->workspace);
+	WS_Init(sp->ws, "sess", (void *)(sm + 1), sm->workspace);
 	sp->http = &sm->http[0];
 	sp->http0 = &sm->http[1];
 

bin/varnishd/cache_synthetic.c

@@ -73,7 +73,7 @@ SYN_ErrorPage(struct sess *sp, int status, const char *reason, int ttl)
 
 	/* Set up obj's workspace */
 	st = o->objstore;
-	WS_Init(o->ws_o, st->ptr + st->len, st->space - st->len);
+	WS_Init(o->ws_o, "obj", st->ptr + st->len, st->space - st->len);
 	st->len = st->space;
 	WS_Assert(o->ws_o);
 	http_Setup(o->http, o->ws_o);
@@ -126,7 +126,7 @@ SYN_ErrorPage(struct sess *sp, int status, const char *reason, int ttl)
 
 	/* allocate space for header */
 
-	WS_Init(h->ws, malloc(1024), 1024);
+	WS_Init(h->ws, "error", malloc(1024), 1024);
 
 	/* generate header */
 	http_ClrHeader(h);

bin/varnishd/cache_ws.c

@@ -57,8 +57,8 @@ WS_Assert(const struct ws *ws)
 {
 
 	assert(ws != NULL);
-	WS_DEBUG((SLT_Debug, 0, "WS(%p = (%p %u %u %u)",
-	    ws, ws->s, pdiff(ws->s, ws->f),
+	WS_DEBUG((SLT_Debug, 0, "WS(%p = (%s, %p %u %u %u)",
+	    ws, ws->id, ws->s, pdiff(ws->s, ws->f),
 	    ws->r == NULL ? 0 : pdiff(ws->f, ws->r),
 	    pdiff(ws->s, ws->e)));
 	assert(ws->s != NULL);
@@ -73,15 +73,16 @@ WS_Assert(const struct ws *ws)
 }
 
 void
-WS_Init(struct ws *ws, void *space, unsigned len)
+WS_Init(struct ws *ws, const char *id, void *space, unsigned len)
 {
 
-	WS_DEBUG((SLT_Debug, 0, "WS_Init(%p, %p, %u)", ws, space, len));
+	WS_DEBUG((SLT_Debug, 0, "WS_Init(%p, \"%s\", %p, %u)", ws, id, space, len));
 	assert(space != NULL);
 	memset(ws, 0, sizeof *ws);
 	ws->s = space;
 	ws->e = ws->s + len;
 	ws->f = ws->s;
+	ws->id = id;
 	WS_Assert(ws);
 }