Add the out statistic -- total output bytes for the de-/compressor.

src/brotli.vsc

@@ -12,4 +12,10 @@
 
 	Total number of de-/compression operations
 
+.. varnish_vsc:: out
+	:type:  counter
+	:oneliner:      Output bytes
+
+	Total number of bytes output by the de-/compressor
+
 .. varnish_vsc_end::    brotli

src/tests/stats.vtc

@@ -36,7 +36,9 @@ client c1 -run
 varnish v1 -vsc BROTLI.*
 
 varnish v1 -expect BROTLI.br.ops == 10
+varnish v1 -expect BROTLI.br.out > 0
 varnish v1 -expect BROTLI.unbr.ops == 10
+varnish v1 -expect BROTLI.unbr.out > 0
 
 varnish v1 -vcl+backend {
 	import ${vmod_brotli};
@@ -59,7 +61,9 @@ varnish v1 -cliok "vcl.list"
 
 varnish v1 -vsc BROTLI.*
 varnish v1 -expect BROTLI.br.ops == 10
+varnish v1 -expect BROTLI.br.out > 0
 varnish v1 -expect BROTLI.unbr.ops == 10
+varnish v1 -expect BROTLI.unbr.out > 0
 
 server s1 -wait
 server s1 -start
@@ -67,9 +71,13 @@ client c1 -run
 
 varnish v1 -vsc BROTLI.*
 varnish v1 -expect BROTLI.br.ops == 10
+varnish v1 -expect BROTLI.br.out > 0
 varnish v1 -expect BROTLI.unbr.ops == 10
+varnish v1 -expect BROTLI.unbr.out > 0
 varnish v1 -expect BROTLI.vcl2.mybr.ops == 10
+varnish v1 -expect BROTLI.vcl2.mybr.out > 0
 varnish v1 -expect BROTLI.vcl2.myunbr.ops == 10
+varnish v1 -expect BROTLI.vcl2.myunbr.out > 0
 
 varnish v1 -vcl+backend {}
 
@@ -79,20 +87,28 @@ varnish v1 -cliok "vcl.state vcl2 cold"
 # This has to be checked manually in the log.
 varnish v1 -vsc BROTLI.vcl2.*
 varnish v1 -expect BROTLI.br.ops == 10
+varnish v1 -expect BROTLI.br.out > 0
 varnish v1 -expect BROTLI.unbr.ops == 10
+varnish v1 -expect BROTLI.unbr.out > 0
 
 varnish v1 -cliok "vcl.state vcl2 warm"
 
 # With vcl2 back in the warm state, stats for vcl2.* appear again.
 varnish v1 -expect BROTLI.br.ops == 10
+varnish v1 -expect BROTLI.br.out > 0
 varnish v1 -expect BROTLI.unbr.ops == 10
+varnish v1 -expect BROTLI.unbr.out > 0
 varnish v1 -expect BROTLI.vcl2.mybr.ops == 10
+varnish v1 -expect BROTLI.vcl2.mybr.out > 0
 varnish v1 -expect BROTLI.vcl2.myunbr.ops == 10
+varnish v1 -expect BROTLI.vcl2.myunbr.out > 0
 
 varnish v1 -cliok "vcl.state vcl2 cold"
 varnish v1 -cliok "vcl.discard vcl2"
 varnish v1 -cliok "vcl.list"
 
-varnish v1 -vsc BROTLI.*
+varnish v1 -vsc BROTLI.vcl2.*
 varnish v1 -expect BROTLI.br.ops == 10
+varnish v1 -expect BROTLI.br.out > 0
 varnish v1 -expect BROTLI.unbr.ops == 10
+varnish v1 -expect BROTLI.unbr.out > 0

src/vfp_brotli.c

@@ -353,12 +353,17 @@ static void v_matchproto_(vfp_fini_f)
 vfp_br_fini(struct vfp_ctx *ctx, struct vfp_entry *ent)
 {
 	struct vbr *vbr;
+	const struct vfp_priv *priv;
 
 	CHECK_OBJ_NOTNULL(ctx, VFP_CTX_MAGIC);
 	CHECK_OBJ_NOTNULL(ent, VFP_ENTRY_MAGIC);
+	AN(ent->vfp);
+	CAST_OBJ_NOTNULL(priv, ent->vfp->priv1, VFP_PRIV_MAGIC);
 
 	if (ent->priv1 != NULL) {
 		CAST_OBJ(vbr, ent->priv1, VBR_MAGIC);
+		if (priv->stats != NULL)
+			priv->stats->out += vbr->stream.total_out;
 		ent->priv1 = NULL;
 		destroy(&vbr);
 	}