AT_BANNER([ofproto])

AT_SETUP([ofproto - echo request])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vANY:ANY:WARN probe br0])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - feature request, config request])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vANY:ANY:WARN show br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPT_FEATURES_REPLY: dpid:fedcba9876543210
n_tables:255, n_buffers:256
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE
 LOCAL(br0): addr:aa:55:aa:55:00:00
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY: frags=normal miss_send_len=0
])
OVS_VSWITCHD_STOP
AT_CLEANUP

dnl This is really bare-bones.
dnl It at least checks request and reply serialization and deserialization.
AT_SETUP([ofproto - port stats])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vANY:ANY:WARN dump-ports br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPST_PORT reply: 1 ports
  port 65534: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
           tx pkts=0, bytes=0, drop=0, errs=0, coll=0
])
OVS_VSWITCHD_STOP
AT_CLEANUP

dnl This is really bare-bones.
dnl It at least checks request and reply serialization and deserialization.
AT_SETUP([ofproto - queue stats])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -vANY:ANY:WARN queue-stats br0], [0], [stdout])
AT_CHECK([STRIP_XIDS stdout], [0], [dnl
OFPST_QUEUE reply: 0 queues
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - mod-port])
OVS_VSWITCHD_START
for command_config_state in \
    'up 0 0' \
    'noflood NO_FLOOD 0' \
    'down PORT_DOWN,NO_FLOOD LINK_DOWN' \
    'flood PORT_DOWN LINK_DOWN'
do
    set $command_config_state
    command=$[1] config=`echo $[2] | sed 's/,/ /g'` state=$[3]
    AT_CHECK([ovs-ofctl -vANY:ANY:WARN mod-port br0 br0 $command])
    AT_CHECK([ovs-ofctl -vANY:ANY:WARN show br0], [0], [stdout])
    AT_CHECK_UNQUOTED([STRIP_XIDS stdout], [0], [dnl
OFPT_FEATURES_REPLY: dpid:fedcba9876543210
n_tables:255, n_buffers:256
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE
 LOCAL(br0): addr:aa:55:aa:55:00:00
     config:     $config
     state:      $state
     speed: 100 Mbps now, 100 Mbps max
OFPT_GET_CONFIG_REPLY: frags=normal miss_send_len=0
])
done
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - basic flow_mod commands (NXM)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
])
AT_CHECK([echo 'in_port=1,actions=0' | ovs-ofctl add-flows br0 -])
AT_CHECK([ovs-ofctl add-flow br0 in_port=0,actions=1])
AT_CHECK([ovs-ofctl -F nxm add-flow br0 table=1,in_port=3,actions=2])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=0 actions=output:1
 in_port=1 actions=output:0
 table=1, in_port=3 actions=output:2
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
])
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip], [0], [NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - basic flow_mod commands (OpenFlow 1.0)])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip], [0], [OFPST_FLOW reply:
])
AT_CHECK([echo 'in_port=1,actions=0' | ovs-ofctl -F openflow10 add-flows br0 -])
AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 in_port=0,actions=1])
AT_CHECK([ovs-ofctl -F openflow10 add-flow br0 table=1,in_port=3,actions=2])
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=0 actions=output:1
 in_port=1 actions=output:0
 table=1, in_port=3 actions=output:2
OFPST_FLOW reply:
])
AT_CHECK([ovs-ofctl -F openflow10 dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
OFPST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
])
AT_CHECK([ovs-ofctl -F openflow10 del-flows br0])
AT_CHECK([ovs-ofctl -F openflow10 dump-flows br0 | ofctl_strip], [0], [OFPST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - dump flows with cookie])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:0
 cookie=0x2, in_port=2 actions=output:0
 cookie=0x3, in_port=3 actions=output:0
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=3
])
AT_CHECK([ovs-ofctl dump-flows br0 cookie=0x3 | ofctl_strip | sort], [0], [dnl
 cookie=0x3, in_port=3 actions=output:0
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 cookie=0x3 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=1
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - dump flows with cookie mask])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:0
 cookie=0x2, in_port=2 actions=output:0
 cookie=0x3, in_port=3 actions=output:0
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 table=0 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=3
])
AT_CHECK([ovs-ofctl dump-flows br0 cookie=0x3/0x1 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:0
 cookie=0x3, in_port=3 actions=output:0
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl dump-aggregate br0 cookie=0x3/0x1 | STRIP_XIDS], [0], [dnl
NXST_AGGREGATE reply: packet_count=0 byte_count=0 flow_count=2
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - del flows with cookie])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:0
 cookie=0x2, in_port=2 actions=output:0
 cookie=0x3, in_port=3 actions=output:0
NXST_FLOW reply:
])

AT_CHECK([ovs-ofctl del-flows br0 cookie=0x3])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:0
 cookie=0x2, in_port=2 actions=output:0
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - del flows with cookie mask])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x1,in_port=1,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x2,in_port=2,actions=0])
AT_CHECK([ovs-ofctl add-flow br0 cookie=0x3,in_port=3,actions=0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x1, in_port=1 actions=output:0
 cookie=0x2, in_port=2 actions=output:0
 cookie=0x3, in_port=3 actions=output:0
NXST_FLOW reply:
])
AT_CHECK([ovs-ofctl del-flows br0 cookie=0x3/0x1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 cookie=0x2, in_port=2 actions=output:0
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - flow table configuration])
OVS_VSWITCHD_START
# Check the default configuration.
(echo "OFPST_TABLE reply (xid=0x1): 255 tables
  0: classifier: wild=0x3fffff, max=1000000, active=0
               lookup=0, matched=0"
 x=1
 while test $x -lt 255; do
   printf "  %d: %-8s: wild=0x3fffff, max=1000000, active=0
               lookup=0, matched=0
" $x table$x
   x=`expr $x + 1`
 done) > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
# Change the configuration.
AT_CHECK(
  [ovs-vsctl \
     -- --id=@t0 create Flow_Table name=main \
     -- --id=@t1 create Flow_Table flow-limit=1024 \
     -- set bridge br0 'flow_tables={1=@t1,0=@t0}' \
   | perl $srcdir/uuidfilt.pl],
  [0], [<0>
<1>
])
# Check that the configuration was updated.
mv expout orig-expout
(echo "OFPST_TABLE reply (xid=0x1): 255 tables
  0: main    : wild=0x3fffff, max=1000000, active=0
               lookup=0, matched=0
  1: table1  : wild=0x3fffff, max=  1024, active=0
               lookup=0, matched=0"
 tail -n +6 orig-expout) > expout
AT_CHECK([ovs-ofctl dump-tables br0], [0], [expout])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - hard limits on flow table size])
OVS_VSWITCHD_START
# Configure a maximum of 4 flows.
AT_CHECK(
  [ovs-vsctl \
     -- --id=@t0 create Flow_Table flow-limit=4 \
     -- set bridge br0 flow_tables:0=@t0 \
   | perl $srcdir/uuidfilt.pl],
  [0], [<0>
])
# Add 4 flows.
for in_port in 1 2 3 4; do
    ovs-ofctl add-flow br0 in_port=$in_port,actions=drop
done
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=drop
 in_port=2 actions=drop
 in_port=3 actions=drop
 in_port=4 actions=drop
NXST_FLOW reply:
])
# Adding another flow will be refused.
AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop], [1], [], [stderr])
AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
  [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
])
# Also a mod-flow that would add a flow will be refused.
AT_CHECK([ovs-ofctl mod-flows br0 in_port=5,actions=drop], [1], [], [stderr])
AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
  [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
])
# Replacing or modifying an existing flow is allowed.
AT_CHECK([ovs-ofctl add-flow br0 in_port=4,actions=normal])
AT_CHECK([ovs-ofctl mod-flows br0 in_port=3,actions=output:1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=1 actions=drop
 in_port=2 actions=drop
 in_port=3 actions=output:1
 in_port=4 actions=NORMAL
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - eviction upon table overflow])
OVS_VSWITCHD_START
# Configure a maximum of 4 flows.
AT_CHECK(
  [ovs-vsctl \
     -- --id=@t0 create Flow_Table flow-limit=4 overflow-policy=evict \
     -- set bridge br0 flow_tables:0=@t0 \
   | perl $srcdir/uuidfilt.pl],
  [0], [<0>
])
# Add 4 flows.
for in_port in 4 3 2 1; do
    ovs-ofctl add-flow br0 idle_timeout=${in_port}0,in_port=$in_port,actions=drop
done
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=10,in_port=1 actions=drop
 idle_timeout=20,in_port=2 actions=drop
 idle_timeout=30,in_port=3 actions=drop
 idle_timeout=40,in_port=4 actions=drop
NXST_FLOW reply:
])
# Adding another flow will cause the one that expires soonest to be evicted.
AT_CHECK([ovs-ofctl add-flow br0 in_port=5,actions=drop])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=20,in_port=2 actions=drop
 idle_timeout=30,in_port=3 actions=drop
 idle_timeout=40,in_port=4 actions=drop
 in_port=5 actions=drop
NXST_FLOW reply:
])
# A mod-flow that adds a flow also causes eviction, but replacing or
# modifying an existing flow doesn't.
AT_CHECK([ovs-ofctl mod-flows br0 in_port=6,actions=drop])
AT_CHECK([ovs-ofctl add-flow br0 in_port=4,actions=normal])
AT_CHECK([ovs-ofctl mod-flows br0 in_port=3,actions=output:1])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=30,in_port=3 actions=output:1
 in_port=4 actions=NORMAL
 in_port=5 actions=drop
 in_port=6 actions=drop
NXST_FLOW reply:
])
# Flows with no timeouts at all cannot be evicted.
AT_CHECK([ovs-ofctl add-flow br0 in_port=7,actions=normal])
AT_CHECK([ovs-ofctl add-flow br0 in_port=8,actions=drop], [1], [], [stderr])
AT_CHECK([head -n 1 stderr | ofctl_strip], [0],
  [OFPT_ERROR: OFPFMFC_ALL_TABLES_FULL
])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 in_port=4 actions=NORMAL
 in_port=5 actions=drop
 in_port=6 actions=drop
 in_port=7 actions=NORMAL
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - eviction upon table overflow, with fairness])
OVS_VSWITCHD_START
# Configure a maximum of 4 flows.
AT_CHECK(
  [ovs-vsctl \
     -- --id=@t0 create Flow_Table name=evict flow-limit=4 \
                                   overflow-policy=evict \
                                   groups='"NXM_OF_IN_PORT[[]]"' \
     -- set bridge br0 flow_tables:0=@t0 \
   | perl $srcdir/uuidfilt.pl],
  [0], [<0>
])
# Add 4 flows.
ovs-ofctl add-flows br0 - <<EOF
idle_timeout=10 in_port=2 dl_src=00:44:55:66:77:88 actions=drop
idle_timeout=20 in_port=1 dl_src=00:11:22:33:44:55 actions=drop
idle_timeout=30 in_port=1 dl_src=00:22:33:44:55:66 actions=drop
idle_timeout=40 in_port=1 dl_src=00:33:44:55:66:77 actions=drop
EOF
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=10,in_port=2,dl_src=00:44:55:66:77:88 actions=drop
 idle_timeout=20,in_port=1,dl_src=00:11:22:33:44:55 actions=drop
 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
NXST_FLOW reply:
])
# Adding another flow will cause the one that expires soonest within
# the largest group (those with in_port=1) to be evicted.  In this
# case this is not the same as the one that expires soonest overall
# (which is what makes the test interesting):
AT_CHECK([ovs-ofctl add-flow br0 in_port=2,dl_src=00:55:66:77:88:99,actions=drop])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=10,in_port=2,dl_src=00:44:55:66:77:88 actions=drop
 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
NXST_FLOW reply:
])
# Enlarge the flow limit, change the eviction policy back to strictly
# based on expiration, and and add some flows.
AT_CHECK([ovs-vsctl set Flow_Table evict groups='[[]]' flow-limit=7])
ovs-ofctl add-flows br0 - <<EOF
idle_timeout=50 in_port=2 dl_src=00:66:77:88:99:aa actions=drop
idle_timeout=60 in_port=2 dl_src=00:77:88:99:aa:bb actions=drop
idle_timeout=70 in_port=2 dl_src=00:88:99:aa:bb:cc actions=drop
EOF
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=10,in_port=2,dl_src=00:44:55:66:77:88 actions=drop
 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
 idle_timeout=50,in_port=2,dl_src=00:66:77:88:99:aa actions=drop
 idle_timeout=60,in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
 idle_timeout=70,in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
NXST_FLOW reply:
])
# Adding another flow will cause the one that expires soonest overall
# to be evicted.
AT_CHECK([ovs-ofctl add-flow br0 'idle_timeout=80 in_port=2 dl_src=00:99:aa:bb:cc:dd actions=drop'])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=30,in_port=1,dl_src=00:22:33:44:55:66 actions=drop
 idle_timeout=40,in_port=1,dl_src=00:33:44:55:66:77 actions=drop
 idle_timeout=50,in_port=2,dl_src=00:66:77:88:99:aa actions=drop
 idle_timeout=60,in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
 idle_timeout=70,in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
 idle_timeout=80,in_port=2,dl_src=00:99:aa:bb:cc:dd actions=drop
 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
NXST_FLOW reply:
])
# Reducing the flow limit also causes the flows that expire soonest
# overall to be evicted.
AT_CHECK([ovs-vsctl set Flow_Table evict flow-limit=4])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 idle_timeout=60,in_port=2,dl_src=00:77:88:99:aa:bb actions=drop
 idle_timeout=70,in_port=2,dl_src=00:88:99:aa:bb:cc actions=drop
 idle_timeout=80,in_port=2,dl_src=00:99:aa:bb:cc:dd actions=drop
 in_port=2,dl_src=00:55:66:77:88:99 actions=drop
NXST_FLOW reply:
])
OVS_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([ofproto - asynchronous message control])
OVS_VSWITCHD_START
AT_CHECK([ovs-ofctl -P openflow10 monitor br0 --detach --no-chdir --pidfile])
check_async () {
    printf '\n\n--- check_async %d ---\n\n\n' $1
    shift

    ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
    : > expout

    # OFPT_PACKET_IN, OFPR_ACTION (controller_id=0)
    ovs-ofctl -v packet-out br0 none controller '0001020304050010203040501234'
    if test X"$1" = X"OFPR_ACTION"; then shift;
        echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=NONE (via action) data_len=14 (unbuffered)
priority:0,tunnel:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)"
    fi

    # OFPT_PACKET_IN, OFPR_NO_MATCH (controller_id=123)
    ovs-ofctl -v packet-out br0 none 'controller(reason=no_match,id=123)' '0001020304050010203040501234'
    if test X"$1" = X"OFPR_NO_MATCH"; then shift;
        echo >>expout "OFPT_PACKET_IN: total_len=14 in_port=NONE (via no_match) data_len=14 (unbuffered)
priority:0,tunnel:0,in_port:0000,tci(0) mac(00:10:20:30:40:50->00:01:02:03:04:05) type:1234 proto:0 tos:0 ttl:0 ip(0.0.0.0->0.0.0.0)"
    fi

    # OFPT_PACKET_IN, OFPR_INVALID_TTL (controller_id=0)
    ovs-ofctl packet-out br0 none dec_ttl '002583dfb4000026b98cb0f908004500003fb7e200000011339bac11370dac100002d7730035002b8f6d86fb0100000100000000000006626c702d7873066e696369726103636f6d00000f00'
    if test X"$1" = X"OFPR_INVALID_TTL"; then shift;
        echo >>expout "OFPT_PACKET_IN: total_len=76 in_port=NONE (via invalid_ttl) data_len=76 (unbuffered)
priority:0,tunnel:0,in_port:0000,tci(0) mac(00:26:b9:8c:b0:f9->00:25:83:df:b4:00) type:0800 proto:17 tos:0 ttl:0 ip(172.17.55.13->172.16.0.2) port(55155->53) udp_csum:8f6d"
    fi

    # OFPT_PORT_STATUS, OFPPR_ADD
    ovs-vsctl add-port br0 test -- set Interface test type=dummy
    if test X"$1" = X"OFPPR_ADD"; then shift;
        echo >>expout "OFPT_PORT_STATUS: ADD: 1(test): addr:aa:55:aa:55:00:0x
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 Mbps max"
    fi

    # OFPT_PORT_STATUS, OFPPR_DELETE
    ovs-vsctl del-port br0 test
    if test X"$1" = X"OFPPR_DELETE"; then shift;
        echo >>expout "OFPT_PORT_STATUS: DEL: 1(test): addr:aa:55:aa:55:00:0x
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 100 Mbps now, 100 Mbps max"
    fi

    # OFPT_FLOW_REMOVED, OFPRR_DELETE
    ovs-ofctl add-flow br0 send_flow_rem,actions=drop
    ovs-ofctl --strict del-flows br0 ''
    if test X"$1" = X"OFPRR_DELETE"; then shift;
        echo >>expout "OFPT_FLOW_REMOVED:  reason=delete"
    fi
    AT_FAIL_IF([test X"$1" != X])

    ovs-appctl -t ovs-ofctl ofctl/barrier
    echo >>expout "send: OFPT_BARRIER_REQUEST:
OFPT_BARRIER_REPLY:"

    AT_CHECK(
      [[sed '
s/ (xid=0x[0-9a-fA-F]*)//
s/ *duration.*//
s/00:0.$/00:0x/' < monitor.log]],
      [0], [expout])
}

# It's a service connection so initially there should be no async messages.
check_async 1

# Set miss_send_len to 128, turning on packet-outs for our service connection.
ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700000080
check_async 2 OFPR_ACTION OFPPR_ADD OFPPR_DELETE OFPRR_DELETE

# Set miss_send_len to 128 and enable invalid_ttl.
ovs-appctl -t ovs-ofctl ofctl/send 0109000c0123456700040080
check_async 3 OFPR_ACTION OFPR_INVALID_TTL OFPPR_ADD OFPPR_DELETE OFPRR_DELETE

# Become slave, which should disable everything except port status.
ovs-appctl -t ovs-ofctl ofctl/send 0104001400000002000023200000000a00000002
check_async 4 OFPPR_ADD OFPPR_DELETE

# Use NXT_SET_ASYNC_CONFIG to enable a patchwork of asynchronous messages.
ovs-appctl -t ovs-ofctl ofctl/send 01040028000000020000232000000013000000020000000500000005000000020000000200000005
check_async 5 OFPR_INVALID_TTL OFPPR_DELETE OFPRR_DELETE

# Set controller ID 123.
ovs-appctl -t ovs-ofctl ofctl/send 01040018000000030000232000000014000000000000007b
check_async 6 OFPR_NO_MATCH OFPPR_DELETE OFPRR_DELETE

# Restore controller ID 0.
ovs-appctl -t ovs-ofctl ofctl/send 010400180000000300002320000000140000000000000000

# Become master.
ovs-appctl -t ovs-ofctl ofctl/send 0104001400000002000023200000000a00000001
check_async 7 OFPR_ACTION OFPPR_ADD

ovs-appctl -t ovs-ofctl exit
AT_CLEANUP