AT_BANNER([cfm])

m4_define([CFM_CHECK_EXTENDED], [
AT_CHECK([ovs-appctl cfm/show $1 | sed -e '/next CCM tx:/d' | sed -e '/next fault check:/d' | sed -e  '/recv since check:/d'],[0],
[dnl
---- $1 ----
MPID $2: extended
	average health: $3
	opstate: $4
	remote_opstate: $5
	interval: $6
Remote MPID $7
	opstate: $8
])
])

# test cfm under demand mode.
AT_SETUP([cfm - demand mode])
#Create 2 bridges connected by patch ports and enable BFD
OVS_VSWITCHD_START([add-br br1 -- \
                    set bridge br1 datapath-type=dummy \
                    other-config:hwaddr=aa:55:aa:56:00:00 -- \
                    add-port br1 p1 -- set Interface p1 type=patch \
                    options:peer=p0 -- \
                    add-port br0 p0 -- set Interface p0 type=patch \
                    options:peer=p1 -- \
                    set Interface p0 cfm_mpid=1 other_config:cfm_interval=300 other_config:cfm_extended=true -- \
                    set Interface p1 cfm_mpid=2 other_config:cfm_interval=300 other_config:cfm_extended=true ])

ovs-appctl time/stop
# wait for a while to stablize cfm.
for i in `seq 0 100`; do ovs-appctl time/warp 100; done
CFM_CHECK_EXTENDED([p0], [1], [100], [up], [up], [300ms], [2], [up])
CFM_CHECK_EXTENDED([p1], [2], [100], [up], [up], [300ms], [1], [up])

# turn on demand mode on one end.
AT_CHECK([ovs-vsctl set interface p0 other_config:cfm_demand=true])

# cfm should never go down.
for i in `seq 0 100`
do
    ovs-appctl time/warp 100
    CFM_CHECK_EXTENDED([p0], [1], [100], [up], [up], [300ms], [2], [up])
    CFM_CHECK_EXTENDED([p1], [2], [100], [up], [up], [300ms], [1], [up])
done

# turn on demand mode on the other end.
AT_CHECK([ovs-vsctl set interface p1 other_config:cfm_demand=true])
for i in `seq 0 100`
do
    ovs-appctl time/warp 100
    CFM_CHECK_EXTENDED([p0], [1], [100], [up], [up], [300ms], [2], [up])
    CFM_CHECK_EXTENDED([p1], [2], [100], [up], [up], [300ms], [1], [up])
done

OVS_VSWITCHD_STOP
AT_CLEANUP