test/app-emu: dump/restore of VNC server

* Execute VNC server and glxgears
* Dump/restore
* Check, that VNC server accepts connections
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/app-emu/vnc/run.sh

+set -m
+
+crtools="../../../crtools"
+
+mkdir data
+
+./vnc-server.sh 25 &> data/vnc.log
+pid=`jobs -p %1`
+bg
+
+$crtools dump -j --tcp-established -D data/ -o dump.log -v 4 -t $pid || {
+	echo "Dump failed"
+	exit 1
+}
+
+$crtools restore -j --tcp-established -D data/ -d -o restore.log -v 4 -t $pid || {
+	echo "Restore failed"
+	exit 1
+}
+
+nc -w 1 localhost 5925 | grep -am 1 RFB
+ret=$?
+
+kill $pid
+
+[ "$ret" -eq 0 ] && echo PASS || echo FAIL;
+
+exit $ret

test/app-emu/vnc/vnc-server.sh

+#!/bin/bash
+#set -x
+set -m
+Xvnc :25 -v -geometry 500x500 -i 0.0.0.0 -SecurityTypes none &
+pid=$!
+trap "kill $pid; wait" EXIT
+for i in `seq 10`; do
+	nc -w 1 localhost 5925 | grep -am 1 RFB && break || echo Waiting
+	kill -0 $pid || exit 1
+	sleep 1
+done
+kill -STOP $$
+DISPLAY=:25 glxgears