test: verify logger send to and syslogd multicast receive from group

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/Makefile.am

@@ -2,7 +2,7 @@ EXTRA_DIST       = lib.sh opts.sh
 EXTRA_DIST      += api.sh local.sh unicode.sh remote.sh fwd.sh mark.sh      \
 		   memleak.sh facility.sh notify.sh rotate_all.sh secure.sh \
 		   logger.sh listen.sh sighup.sh tag.sh hostname.sh 	    \
-                   property.sh raw.sh regression.sh
+                   property.sh raw.sh regression.sh multicast.sh
 CLEANFILES       = *~ *.trs *.log
 TEST_EXTENSIONS  = .sh
 TESTS_ENVIRONMENT= unshare -mrun
@@ -33,5 +33,6 @@ TESTS           += hostname.sh
 TESTS           += property.sh
 TESTS           += raw.sh
 TESTS           += regression.sh
+TESTS           += multicast.sh
 
 programs: $(check_PROGRAMS)

test/multicast.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+. "${srcdir:-.}/lib.sh"
+
+GROUP=225.1.2.3
+
+setup_listen()
+{
+    ip link set lo up state up
+    ip route add default via 127.0.0.1
+
+    cat <<-EOF > "${CONF}"
+	*.*	$LOG
+	listen  $1:$PORT2
+	EOF
+    setup -m0
+}
+
+verify_listen()
+{
+    MSG="kilroy was here"
+
+    logger -h "$GROUP" -P "$PORT2" "${MSG}"
+    grep -H "${MSG}" "$LOG"
+}
+
+run_step "Setup daemon that listen to $GROUP"  setup_listen  "$GROUP"
+run_step "Verify sending to group $GROUP"      verify_listen "$GROUP"