test: verify basic ipc functionaliy with socat

Signed-off-by: Joachim Wiberg <[email protected]>

test/Makefile.am

@@ -1,9 +1,10 @@
-EXTRA_DIST         = lib.sh basic.sh sleepy.sh two.sh
+EXTRA_DIST         = lib.sh basic.sh sleepy.sh two.sh ipc.sh
 CLEANFILES         = *~ *.trs *.log
 
 TEST_EXTENSIONS    = .sh
 TESTS_ENVIRONMENT  = unshare -mrun
 
-TESTS              = basic.sh
-TESTS             += sleepy.sh
+TESTS              = sleepy.sh
+TESTS             += basic.sh
+TESTS             += ipc.sh
 TESTS             += two.sh

test/ipc.sh

@@ -0,0 +1,54 @@
+#!/bin/sh
+# Verifies basic IPC operation
+
+# shellcheck source=/dev/null
+. "$(dirname "$0")/lib.sh"
+
+# Requires ethtool to disable UDP checksum offloading
+print "Check deps ..."
+check_dep socat
+
+print "Creating world ..."
+for iface in eth0 eth1 eth2; do
+    ip link add $iface type dummy
+    ip link set $iface up
+    ip link set $iface multicast on
+done
+ip addr add 192.168.0.1/24 dev eth0
+ip addr add 192.168.1.1/24 dev eth1
+ip addr add 192.168.1.2/24 dev eth1
+ip addr add 169.254.0.1/16 dev eth1
+ip addr add 192.168.3.1/24 dev eth1
+
+ip -br l
+ip -br a
+
+print "Creating config ..."
+cat <<EOF > "/tmp/$NM/config"
+iface eth0 enable igmpv3
+iface eth1 enable igmpv3
+iface eth2 enable
+iface eth3 enable
+EOF
+cat "/tmp/$NM/config"
+
+print "Starting querierd ..."
+../src/querierd -f "/tmp/$NM/config" -p "/tmp/$NM/pid" -l debug -n -u "/tmp/$NM/sock" &
+echo $! >> "/tmp/$NM/PIDs"
+sleep 2
+
+print "IPC output ..."
+echo "help"    |socat - UNIX-CONNECT:"/tmp/$NM/sock"
+echo "version" |socat - UNIX-CONNECT:"/tmp/$NM/sock"
+echo
+echo "status"  |socat - UNIX-CONNECT:"/tmp/$NM/sock"
+echo "show"    |socat - UNIX-CONNECT:"/tmp/$NM/sock" | tee "/tmp/$NM/show"
+
+print "Analyzing ..."
+kill_pids
+
+grep "eth0" "/tmp/$NM/show" | grep -q "192.168.0.1" || FAIL
+grep "eth1" "/tmp/$NM/show" | grep -q "192.168.1.1" || FAIL
+grep "eth2" "/tmp/$NM/show" | grep -q "0.0.0.0"     || FAIL
+
+OK