m4_define([STRIP_XIDS], [[sed 's/ (xid=0x[0-9a-fA-F]*)//']])
m4_define([STRIP_DURATION], [[sed 's/\bduration=[0-9.]*s/duration=?s/']])
m4_define([TESTABLE_LOG], [-vPATTERN:ANY:'%c|%p|%m'])

m4_define([OVS_VSWITCHD_START],
  [OVS_RUNDIR=$PWD; export OVS_RUNDIR
   OVS_LOGDIR=$PWD; export OVS_LOGDIR
   OVS_SYSCONFDIR=$PWD; export OVS_SYSCONFDIR
   trap 'kill `cat ovsdb-server.pid ovs-vswitchd.pid`' 0

   dnl Create database.
   mkdir openvswitch
   touch openvswitch/.conf.db.~lock~
   AT_CHECK([ovsdb-tool create openvswitch/conf.db $abs_top_srcdir/vswitchd/vswitch.ovsschema])

   dnl Start ovsdb-server.
   AT_CHECK([ovsdb-server --detach --pidfile --log-file --remote=punix:$OVS_RUNDIR/db.sock], [0], [], [stderr])
   AT_CHECK([[sed < stderr '/vlog|INFO|opened log file/d']])
   AT_CAPTURE_FILE([ovsdb-server.log])

   dnl Initialize database.
   AT_CHECK([ovs-vsctl --no-wait init])

   dnl Start ovs-vswitchd.
   AT_CHECK([ovs-vswitchd --detach --pidfile --enable-dummy --disable-system --log-file], [0], [], [stderr])
   AT_CAPTURE_FILE([ovs-vswitchd.log])
   AT_CHECK([[sed < stderr '
/vlog|INFO|opened log file/d
/reconnect|INFO|/d
/dpif_linux|ERR|Generic Netlink family.*does not exist/d
/dpif|WARN|failed to enumerate system datapaths: No such file or directory/d
/ofproto|INFO|using datapath ID/d
/ofproto|INFO|datapath ID changed to fedcba9876543210/d']])

   dnl Add bridges, ports, etc.
   AT_CHECK([ovs-vsctl -- add-br br0 -- set bridge br0 datapath-type=dummy other-config:datapath-id=fedcba9876543210 other-config:hwaddr=aa:55:aa:55:00:00 fail-mode=secure -- $1])
])

m4_define([OVS_VSWITCHD_STOP],
  [AT_CHECK([ovs-appctl -t ovs-vswitchd exit])
   AT_CHECK([ovs-appctl -t ovsdb-server exit])
   trap '' 0])