MINOR: backend: Add srv_name sample fetche
The sample fetche can get srv_name without foreach
`core.backends["bk"].servers`.
Then we can get Server class quickly via
`core.backends[txn.f:be_name()].servers[txn.f:srv_name()]`.
Issue#342
diff --git a/reg-tests/sample_fetches/srv_name.vtc b/reg-tests/sample_fetches/srv_name.vtc
new file mode 100644
index 0000000..d209c6e
--- /dev/null
+++ b/reg-tests/sample_fetches/srv_name.vtc
@@ -0,0 +1,46 @@
+varnishtest "srv_name sample fetche Test"
+
+#REQUIRE_VERSION=2.1
+
+feature ignore_unknown_macro
+
+server s1 {
+ rxreq
+ txresp
+} -start
+
+server s2 {
+ rxreq
+ txresp
+} -start
+
+haproxy h1 -conf {
+ defaults
+ mode http
+ timeout connect 1s
+ timeout client 1s
+ timeout server 1s
+
+ frontend fe
+ bind "fd@${fe}"
+ http-response set-header srv-id "%[srv_id]"
+ http-response set-header srv-name "%[srv_name]"
+ default_backend be
+
+ backend be
+ server srv1 ${s1_addr}:${s1_port}
+ server srv2 ${s2_addr}:${s2_port}
+} -start
+
+client c1 -connect ${h1_fe_sock} {
+ txreq -url "/"
+ rxresp
+ expect resp.status == 200
+ expect resp.http.srv-id == "1"
+ expect resp.http.srv-name == "srv1"
+ txreq -url "/"
+ rxresp
+ expect resp.status == 200
+ expect resp.http.srv-id == "2"
+ expect resp.http.srv-name == "srv2"
+} -run