+AT_SETUP([ofproto - asynchronous message control (OpenFlow 1.4)])
+OVS_VSWITCHD_START
+AT_CHECK([ovs-ofctl -O OpenFlow14 -P standard monitor br0 --detach --no-chdir --pidfile])
+check_async () {
+ printf '\n\n--- check_async %d ---\n\n\n' $1
+ INDEX=$1
+ shift
+
+ ovs-appctl -t ovs-ofctl ofctl/barrier
+ ovs-appctl -t ovs-ofctl ofctl/set-output-file monitor.log
+ : > expout
+
+ # OFPT_PACKET_IN, OFPR_ACTION (controller_id=0)
+ ovs-ofctl -O OpenFlow14 -v packet-out br0 none controller '0001020304050010203040501234'
+ if test X"$1" = X"OFPR_ACTION"; then shift;
+ echo >>expout "OFPT_PACKET_IN (OF1.4): total_len=14 in_port=ANY (via action) data_len=14 (unbuffered)
+vlan_tci=0x0000,dl_src=00:10:20:30:40:50,dl_dst=00:01:02:03:04:05,dl_type=0x1234"
+ fi
+
+ # OFPT_PACKET_IN, OFPR_NO_MATCH (controller_id=123)
+ ovs-ofctl -O OpenFlow14 -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 (OF1.4): total_len=14 in_port=ANY (via no_match) data_len=14 (unbuffered)
+vlan_tci=0x0000,dl_src=00:10:20:30:40:50,dl_dst=00:01:02:03:04:05,dl_type=0x1234"
+ fi
+
+ # OFPT_PACKET_IN, OFPR_INVALID_TTL (controller_id=0)
+ ovs-ofctl -O OpenFlow14 packet-out br0 none dec_ttl '002583dfb4000026b98cb0f908004500003eb7e200000011339bac11370dac100002d7730035002b8f6d86fb0100000100000000000006626c702d7873066e696369726103636f6d00000f00'
+ if test X"$1" = X"OFPR_INVALID_TTL"; then shift;
+ echo >>expout "OFPT_PACKET_IN (OF1.4): total_len=76 in_port=ANY (via invalid_ttl) data_len=76 (unbuffered)
+udp,vlan_tci=0x0000,dl_src=00:26:b9:8c:b0:f9,dl_dst=00:25:83:df:b4:00,nw_src=172.17.55.13,nw_dst=172.16.0.2,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=55155,tp_dst=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 (OF1.4): ADD: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: PORT_DOWN
+ state: LINK_DOWN
+ speed: 0 Mbps now, 0 Mbps max"
+ fi
+
+ # OFPT_PORT_STATUS, OFPPR_MODIFY
+ ovs-ofctl -O OpenFlow14 -vwarn mod-port br0 test up
+ if test X"$1" = X"OFPPR_MODIFY"; then shift;
+ echo >>expout "OFPT_PORT_STATUS (OF1.4): MOD: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: 0
+ state: LINK_DOWN
+ speed: 0 Mbps now, 0 Mbps max
+OFPT_PORT_STATUS (OF1.4): MOD: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: 0
+ state: 0
+ speed: 0 Mbps now, 0 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 (OF1.4): DEL: ${INDEX}(test): addr:aa:55:aa:55:00:0x
+ config: 0
+ state: 0
+ speed: 0 Mbps now, 0 Mbps max"
+ fi
+
+ # OFPT_FLOW_REMOVED, OFPRR_DELETE
+ ovs-ofctl -O OpenFlow14 add-flow br0 send_flow_rem,actions=drop
+ ovs-ofctl -O OpenFlow14 --strict del-flows br0 ''
+ if test X"$1" = X"OFPRR_DELETE"; then shift;
+ echo >>expout "OFPT_FLOW_REMOVED (OF1.4): reason=delete table_id=0"
+ fi
+
+ # OFPT_FLOW_REMOVED, OFPRR_GROUP_DELETE
+ ovs-ofctl -O OpenFlow14 add-group br0 group_id=1234,type=all,bucket=output:10
+ ovs-ofctl -O OpenFlow14 add-flow br0 send_flow_rem,actions=group:1234
+ ovs-ofctl -O OpenFlow14 --strict del-groups br0 group_id=1234
+ if test X"$1" = X"OFPRR_GROUP_DELETE"; then shift;
+ echo >>expout "OFPT_FLOW_REMOVED (OF1.4): reason=group_delete table_id=0"
+ fi
+
+ # OFPT_TABLE_STATUS, OFPTR_VACANCY_UP
+ if test X"$1" = X"OFPTR_VACANCY_UP"; then shift;
+ ovs-vsctl -- --id=@t1 create Flow_Table flow-limit=10 -- set bridge br0 flow_tables:1=@t1
+
+ # Turn on vacancy events, then add flows until we're full.
+ # With initial vacancy of 100% and vacancy_up of 80%, so that
+ # vacancy >= vacancy_up, this enables VACANY_DOWN events, so
+ # we get a single such message when vacancy dips below 20%.
+ ovs-ofctl -O OpenFlow14 mod-table br0 1 vacancy:20,80
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=1,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=2,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=3,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=4,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=5,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=6,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=7,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=8,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=9,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=10,actions=2
+ echo >>expout "OFPT_TABLE_STATUS (OF1.4): reason=VACANCY_DOWN
+table_desc:-
+ table 1:
+ eviction=off eviction_flags=OTHER|IMPORTANCE|LIFETIME
+ vacancy=on vacancy_down=20% vacancy_up=80% vacancy=10%"
+ # Then delete flows until we're empty. Sending the
+ # VACANCY_DOWN message enabled VACANCY_UP events, so we get a
+ # single such message when vacancy rises above 80%.
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=1
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=2
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=3
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=4
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=5
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=6
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=7
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=8
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=9
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=10
+ echo >>expout "OFPT_TABLE_STATUS (OF1.4): reason=VACANCY_UP
+table_desc:-
+ table 1:
+ eviction=off eviction_flags=OTHER|IMPORTANCE|LIFETIME
+ vacancy=on vacancy_down=20% vacancy_up=80% vacancy=90%"
+
+ # Now approach vacancy from the other direction. First
+ # disable vacancy events. With initial vacancy of 70%, so
+ # that vacancy < vacancy_up, this enables VACANCY_UP events.
+ # That means that filling up the table generates no message,
+ # but deleting all the flows generates VACANCY_UP at the point
+ # vacancy rises above 80%.
+ ovs-ofctl -O OpenFlow14 mod-table br0 1 novacancy
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=1,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=2,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=3,actions=2
+ ovs-ofctl -O OpenFlow14 mod-table br0 1 vacancy:20,80
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=4,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=5,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=6,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=7,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=8,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=9,actions=2
+ ovs-ofctl -O OpenFlow14 add-flow br0 table=1,in_port=10,actions=2
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=1
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=2
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=3
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=4
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=5
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=6
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=7
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=8
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=9
+ ovs-ofctl -O OpenFlow14 del-flows br0 table=1,in_port=10
+ echo >>expout "OFPT_TABLE_STATUS (OF1.4): reason=VACANCY_UP
+table_desc:-
+ table 1:
+ eviction=off eviction_flags=OTHER|IMPORTANCE|LIFETIME
+ vacancy=on vacancy_down=20% vacancy_up=80% vacancy=90%"
+ fi
+
+ AT_FAIL_IF([test X"$1" != X])
+
+ ovs-appctl -t ovs-ofctl ofctl/barrier
+ echo >>expout "OFPT_BARRIER_REPLY (OF1.4):"
+
+ AT_CHECK(
+ [[sed '
+s/ (xid=0x[0-9a-fA-F]*)//
+s/ *duration.*//
+s/00:0.$/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-ins for our service connection.
+ovs-appctl -t ovs-ofctl ofctl/send 0509000c0123456700000080
+check_async 2 OFPR_ACTION OFPPR_ADD OFPPR_MODIFY OFPPR_DELETE OFPRR_DELETE OFPRR_GROUP_DELETE
+
+# Become slave (OF 1.4), which should disable everything except port status.
+ovs-appctl -t ovs-ofctl ofctl/send 051800180000000200000003000000000000000000000001
+check_async 3 OFPPR_ADD OFPPR_MODIFY OFPPR_DELETE
+
+# Use OF 1.4 OFPT_SET_ASYNC to enable a patchwork of asynchronous messages.
+ovs-appctl -t ovs-ofctl ofctl/send 051c0040000000020000000800000005000100080000000200020008000000020003000800000005000400080000001c00050008000000050008000800000018
+check_async 4 OFPR_INVALID_TTL OFPPR_DELETE OFPRR_DELETE OFPRR_GROUP_DELETE OFPTR_VACANCY_UP
+
+# Set controller ID 123.
+ovs-appctl -t ovs-ofctl ofctl/send 05040018000000030000232000000014000000000000007b
+check_async 5 OFPR_NO_MATCH OFPPR_DELETE OFPRR_DELETE OFPRR_GROUP_DELETE
+
+# Restore controller ID 0.
+ovs-appctl -t ovs-ofctl ofctl/send 050400180000000300002320000000140000000000000000
+
+# Become master (OF 1.4).
+ovs-appctl -t ovs-ofctl ofctl/send 051800180000000400000002000000000000000000000002
+check_async 6 OFPR_ACTION OFPPR_ADD OFPPR_MODIFY OFPRR_DELETE
+
+ovs-appctl -t ovs-ofctl exit
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+