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# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Group table test cases.
"""
import logging
from oftest import config
import ofp
import oftest.oft12.testutils as testutils
import oftest.base_tests as base_tests
import oftest.parse
def create_group_desc_stats_req():
# XXX Zoltan: hack, remove if message module is fixed
m = ofp.message.group_desc_stats_request()
return m
def create_group_stats_req(group_id = 0):
m = ofp.message.group_stats_request()
m.group_id = group_id
return m
def create_group_mod_msg(command = ofp.OFPGC_ADD, type = ofp.OFPGT_ALL,
group_id = 0, buckets = []):
m = ofp.message.group_mod()
m.command = command
m.group_type = type
m.group_id = group_id
for b in buckets:
m.buckets.append(b)
return m
# XXX Zoltan: watch_port/_group off ?
def create_bucket(weight = 0, watch_port = 0, watch_group = 0, actions=[]):
b = ofp.bucket()
b.weight = weight
b.watch_port = watch_port
b.watch_group = watch_group
for a in actions:
b.actions.append(a)
return b
def create_action(**kwargs):
a = kwargs.get('action')
if a == ofp.OFPAT_OUTPUT:
act = ofp.action.output()
act.port = kwargs.get('port', 1)
return act
if a == ofp.OFPAT_GROUP:
act = ofp.action.group()
act.group_id = kwargs.get('group_id', 0)
return act
if a == ofp.OFPAT_SET_FIELD:
port = kwargs.get('tcp_sport', 0)
field_2b_set = ofp.oxm.tcp_src(port)
act = ofp.action.set_field()
act.field = field_2b_set.pack() + '\x00' * 6 # HACK
return act;
def create_flow_msg(packet = None, in_port = None, match = None, apply_action_list = []):
apply_inst = ofp.instruction.apply_actions()
if apply_action_list is not None:
for act in apply_action_list:
apply_inst.actions.append(act)
request = ofp.message.flow_add()
if match is None:
match = oftest.parse.packet_to_flow_match(packet)
request.match = match
if in_port != None:
match_port = ofp.oxm.in_port(in_port)
request.match.oxm_list.append(match_port)
request.buffer_id = 0xffffffff
request.priority = 1000
request.instructions.append(apply_inst)
return request
class GroupTest(base_tests.SimpleDataPlane):
def clear_switch(self):
testutils.delete_all_flows(self.controller, logging)
testutils.delete_all_groups(self.controller, logging)
def send_ctrl_exp_noerror(self, msg, log = ''):
logging.info('Sending message ' + log)
# logging.debug(msg.show())
rv = self.controller.message_send(msg)
self.assertTrue(rv != -1, 'Error sending!')
logging.info('Waiting for error messages...')
(response, raw) = self.controller.poll(ofp.OFPT_ERROR, 1)
self.assertTrue(response is None, 'Unexpected error message received')
testutils.do_barrier(self.controller);
def send_ctrl_exp_error(self, msg, log = '', type = 0, code = 0):
logging.info('Sending message ' + log)
logging.debug(msg.show())
rv = self.controller.message_send(msg)
self.assertTrue(rv != -1, 'Error sending!')
logging.info('Waiting for error messages...')
(response, raw) = self.controller.poll(ofp.OFPT_ERROR, 1)
self.assertTrue(response is not None,
'Did not receive an error message')
self.assertEqual(response.type, ofp.OFPT_ERROR,
'Did not receive an error message')
if type != 0:
self.assertEqual(response.err_type, type,
'Did not receive a ' + str(type) + ' type error message')
if code != 0:
self.assertEqual(response.code, code,
'Did not receive a ' + str(code) + ' code error message')
testutils.do_barrier(self.controller);
def send_ctrl_exp_reply(self, msg, resp_type = ofp.OFPT_ERROR, log = ''):
logging.info('Sending message ' + log)
logging.debug(msg.show())
rv = self.controller.message_send(msg)
self.assertTrue(rv != -1, 'Error sending!')
logging.info('Waiting for error messages...')
(response, raw) = self.controller.poll(resp_type, 1)
self.assertTrue(response is not None, 'Did not receive expected message')
return response
def send_data(self, packet, in_port):
logging.debug("Send packet on port " + str(in_port))
self.dataplane.send(in_port, str(packet))
def recv_data(self, port, expected = None):
pkt = testutils.receive_pkt_verify(self, port, expected)
return pkt
"""
Management
"""
class GroupAdd(GroupTest):
"""
A regular group should be added successfully (without errors)
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
class GroupAddInvalidAction(GroupTest):
"""
If any action in the buckets is invalid, OFPET_BAD_ACTION/<code> should be returned
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= ofp.OFPP_ANY)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add',
ofp.OFPET_BAD_ACTION,
ofp.OFPBAC_BAD_OUT_PORT)
class GroupAddExisting(GroupTest):
"""
An addition with existing group id should result in OFPET_GROUP_MOD_FAILED/OFPGMFC_GROUP_EXISTS
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add 1')
group_mod_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add 2',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_GROUP_EXISTS)
class GroupAddInvalidID(GroupTest):
"""
An addition with invalid group id (reserved) should result in OFPET_GROUP_MOD_FAILED/OFPGMFC_INVALID_GROUP
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = ofp.OFPG_ALL, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_INVALID_GROUP)
class GroupMod(GroupTest):
"""
A regular group modification should be successful (no errors)
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_mod_msg = \
create_group_mod_msg(ofp.OFPGC_MODIFY, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_mod_msg, 'group mod')
class GroupModNonexisting(GroupTest):
"""
A modification for non-existing group should result in OFPET_GROUP_MOD_FAILED/OFPGMFC_UNKNOWN_GROUP
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_mod_msg = \
create_group_mod_msg(ofp.OFPGC_MODIFY, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_error(group_mod_msg, 'group mod',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_UNKNOWN_GROUP)
class GroupModLoop(GroupTest):
"""
A modification causing loop should result in OFPET_GROUP_MOD_FAILED/OFPGMFC_LOOP
"""
def runTest(self):
self.clear_switch()
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_GROUP, group_id= 0)
])
])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
group_add_msg3 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 2, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_GROUP, group_id= 0)
])
])
self.send_ctrl_exp_noerror(group_add_msg3, 'group add 3')
group_mod_msg = \
create_group_mod_msg(ofp.OFPGC_MODIFY, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_GROUP, group_id= 2)
])
])
self.send_ctrl_exp_error(group_mod_msg, 'group mod',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_LOOP)
class GroupModInvalidID(GroupTest):
"""
A modification for reserved group should result in OFPET_BAD_ACTION/OFPGMFC_INVALID_GROUP
"""
def runTest(self):
self.clear_switch()
group_mod_msg = \
create_group_mod_msg(ofp.OFPGC_MODIFY, ofp.OFPGT_ALL, group_id = ofp.OFPG_ALL, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_error(group_mod_msg, 'group mod',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_INVALID_GROUP)
class GroupModEmpty(GroupTest):
"""
A modification for existing group with no buckets should be accepted
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_mod_msg = \
create_group_mod_msg(ofp.OFPGC_MODIFY, ofp.OFPGT_ALL, group_id = 0, buckets = [
])
self.send_ctrl_exp_noerror(group_mod_msg, 'group mod')
class GroupDelExisting(GroupTest):
"""
A deletion for existing group should remove the group
"""
def runTest(self):
#self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 10, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_del_msg = \
create_group_mod_msg(ofp.OFPGC_DELETE, ofp.OFPGT_ALL, group_id = 10, buckets = [
])
self.send_ctrl_exp_noerror(group_del_msg, 'group del')
# self.send_ctrl_exp_noerror(group_add_msg, 'group add')
class GroupDelNonexisting(GroupTest):
"""
A deletion for nonexisting group should result in no error
"""
def runTest(self):
#self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
# self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_del_msg = \
create_group_mod_msg(ofp.OFPGC_DELETE, ofp.OFPGT_ALL, group_id = 10, buckets = [
])
self.send_ctrl_exp_noerror(group_del_msg, 'group del')
class GroupDelAll(GroupTest):
"""
#@todo: A deletion for OFGP_ALL should remove all groups
"""
def runTest(self):
self.clear_switch()
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 2, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 1)
])
])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
group_del_msg = \
create_group_mod_msg(ofp.OFPGC_DELETE, group_id = ofp.OFPG_ALL)
self.send_ctrl_exp_noerror(group_del_msg, 'group del')
# self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
# self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
"""
Management (specific)
"""
class GroupAddAllWeight(GroupTest):
"""
An ALL group with weights for buckets should result in OFPET_GROUP_MOD_FAILED, OFPGMFC_INVALID_GROUP
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 0, buckets = [
create_bucket(1, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
]),
create_bucket(2, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_INVALID_GROUP)
class GroupAddIndirectWeight(GroupTest):
"""
An INDIRECT group with weights for buckets should result in OFPET_GROUP_MOD_FAILED, OFPGMFC_INVALID_GROUP
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_INDIRECT, group_id = 0, buckets = [
create_bucket(1, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_INVALID_GROUP)
class GroupAddIndirectBuckets(GroupTest):
"""
An INDIRECT group with <>1 bucket should result in OFPET_GROUP_MOD_FAILED, OFPGMFC_INVALID_GROUP
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_INDIRECT, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
]),
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_INVALID_GROUP)
class GroupAddSelectNoWeight(GroupTest):
"""
A SELECT group with ==0 weights should result in OFPET_GROUP_MOD_FAILED, OFPGMFC_INVALID_GROUP
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_SELECT, group_id = 0, buckets = [
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
]),
create_bucket(0, 0, 0, [
create_action(action= ofp.OFPAT_OUTPUT, port= 2)
])
])
self.send_ctrl_exp_error(group_add_msg, 'group add',
ofp.OFPET_GROUP_MOD_FAILED,
ofp.OFPGMFC_INVALID_GROUP)
"""
Action
"""
#@todo: A group action with invalid id should result in error
#@todo: A group action for nonexisting group should result in error
"""
Working
"""
class GroupProcEmpty(GroupTest):
"""
A group with no buckets should not alter the action set of the packet
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
packet_in = testutils.simple_tcp_packet()
flow_add_msg = \
create_flow_msg(packet = packet_in, in_port = 1, apply_action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, None)
class GroupProcSimple(GroupTest):
"""
A group should apply its actions on packets
"""
def runTest(self):
# self.clear_switch()
testutils.clear_switch(self,config["port_map"],logging)
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out = testutils.simple_tcp_packet(tcp_sport=2000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, packet_out)
class GroupProcMod(GroupTest):
"""
A modification for existing group should modify the group
"""
def runTest(self):
testutils.clear_switch(self,config["port_map"],logging)
# self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_mod_msg = \
create_group_mod_msg(ofp.OFPGC_MODIFY, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
])
self.send_ctrl_exp_noerror(group_mod_msg, 'group mod')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out = testutils.simple_tcp_packet(tcp_sport=3000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, packet_out)
class GroupProcChain(GroupTest):
"""
A group after a group should apply its actions on packets
"""
def runTest(self):
self.clear_switch()
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 2, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add')
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_GROUP, group_id = 2),
])
])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out = testutils.simple_tcp_packet(tcp_sport=2000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, packet_out)
"""
Working (specific)
"""
class GroupProcAll(GroupTest):
"""
An ALL group should use all of its buckets, modifying the resulting packet(s)
"""
def runTest(self):
self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 4000),
create_action(action = ofp.OFPAT_OUTPUT, port = 4)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out1 = testutils.simple_tcp_packet(tcp_sport=2000)
packet_out2 = testutils.simple_tcp_packet(tcp_sport=3000)
packet_out3 = testutils.simple_tcp_packet(tcp_sport=4000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, packet_out1)
self.recv_data(3, packet_out2)
self.recv_data(4, packet_out3)
class GroupProcAllChain(GroupTest):
"""
An ALL group should use all of its buckets, modifying the resulting packet(s)
"""
def runTest(self):
self.clear_switch()
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 2, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
group_add_msg3 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 3, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 4000),
create_action(action = ofp.OFPAT_OUTPUT, port = 4)
])
])
self.send_ctrl_exp_noerror(group_add_msg3, 'group add 3')
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_GROUP, group_id = 2),
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_GROUP, group_id = 3),
])
])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out1 = testutils.simple_tcp_packet(tcp_sport=2000)
packet_out2 = testutils.simple_tcp_packet(tcp_sport=3000)
packet_out3 = testutils.simple_tcp_packet(tcp_sport=4000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, packet_out1)
self.recv_data(3, packet_out2)
self.recv_data(4, packet_out3)
class GroupProcIndirect(GroupTest):
"""
An INDIRECT group should use its only bucket
"""
def runTest(self):
testutils.clear_switch(self,config["port_map"],logging)
# self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_INDIRECT, group_id = 1, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out = testutils.simple_tcp_packet(tcp_sport=2000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.recv_data(2, packet_out)
class GroupProcSelect(GroupTest):
"""
An ALL group should use all of its buckets, modifying the resulting packet(s)
"""
def runTest(self):
testutils.clear_switch(self,config["port_map"],logging)
# self.clear_switch()
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_SELECT, group_id = 1, buckets = [
create_bucket(1, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
]),
create_bucket(1, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
]),
create_bucket(1, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 4000),
create_action(action = ofp.OFPAT_OUTPUT, port = 4)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
packet_out1 = testutils.simple_tcp_packet(tcp_sport=2000)
packet_out2 = testutils.simple_tcp_packet(tcp_sport=3000)
packet_out3 = testutils.simple_tcp_packet(tcp_sport=4000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
recv1 = self.recv_data(2)
recv2 = self.recv_data(3)
recv3 = self.recv_data(4)
self.assertTrue(((recv1 is not None) or (recv2 is not None) or (recv3 is not None)),
"Did not receive a packet")
self.assertTrue(((recv1 is not None) and (recv2 is None) and (recv3 is None)) or \
((recv1 is None) and (recv2 is not None) and (recv3 is None)) or \
((recv1 is None) and (recv2 is None) and (recv3 is not None)),
"Received too many packets")
self.assertTrue(((recv1 is not None) and testutils.pkt_verify(self, recv1, packet_out1)) or \
((recv2 is not None) and testutils.pkt_verify(self, recv2, packet_out2)) or \
((recv3 is not None) and testutils.pkt_verify(self, recv3, packet_out3)),
"Received unexpected packet")
#@todo: A FF group should always use its first alive bucket
"""
Statistics
"""
#@todo A regular group added should increase the number of groups and buckets
class GroupStats(GroupTest):
"""
A packet sent to the group should increase byte/packet counters of group
"""
def runTest(self):
# self.clear_switch()
testutils.clear_switch(self,config["port_map"],logging)
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 10, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
])
])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
flow_add_msg = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 10)
])
self.send_ctrl_exp_noerror(flow_add_msg, 'flow add')
self.send_data(packet_in, 1)
self.send_data(packet_in, 1)
self.send_data(packet_in, 1)
group_stats_req = \
create_group_stats_req(10)
response = \
self.send_ctrl_exp_reply(group_stats_req,
ofp.OFPT_STATS_REPLY, 'group stat')
self.assertEqual(len(response.entries), 1, 'Incorrect number of groups')
self.assertEqual(len(response.entries[0].bucket_stats), 2, 'Incorrect number of groups')
self.assertEqual(response.entries[0].packet_count, 3, 'Incorrect group packet count')
self.assertEqual(response.entries[0].byte_count, 300, 'Incorrect group byte count')
for bucket_stat in response.entries[0].bucket_stats:
self.assertEqual(bucket_stat.packet_count, 3, 'Incorrect bucket packet count')
self.assertEqual(bucket_stat.byte_count, 300, 'Incorrect bucket byte count')
class GroupStatsAll(GroupTest):
"""
A packet sent to the group should increase byte/packet counters of group
"""
def runTest(self):
# self.clear_switch()
testutils.clear_switch(self,config["port_map"],logging)
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 10, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
])
])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 20, buckets = [
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
]),
create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
])
])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
packet_in = testutils.simple_tcp_packet(tcp_sport=1000)
flow_add_msg1 = \
testutils.flow_msg_create(self,packet_in,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 10)
])
self.send_ctrl_exp_noerror(flow_add_msg1, 'flow add 1')
flow_add_msg2 = \
testutils.flow_msg_create(self,packet_in,ing_port = 2,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 20)
])
self.send_ctrl_exp_noerror(flow_add_msg2, 'flow add 2')
self.send_data(packet_in, 1)
self.send_data(packet_in, 1)
self.send_data(packet_in, 2)
self.send_data(packet_in, 2)
self.send_data(packet_in, 2)
group_stats_req = \
create_group_stats_req(ofp.OFPG_ALL)
response = \
self.send_ctrl_exp_reply(group_stats_req,
ofp.OFPT_STATS_REPLY, 'group stat')
self.assertEqual(len(response.entries), 2)
group10, group20 = sorted(response.entries, key=lambda x: x.group_id)
# Check stats for group 10
self.assertEqual(group10.group_id, 10)
self.assertEqual(group10.ref_count, 1)
self.assertEqual(group10.packet_count, 2)
self.assertEqual(group10.byte_count, 200)
self.assertEqual(len(group10.bucket_stats), 2)
for bucket_stat in group10.bucket_stats:
self.assertEqual(bucket_stat.packet_count, 2)
self.assertEqual(bucket_stat.byte_count, 200)
# Check stats for group 20
self.assertEqual(group20.group_id, 20)
self.assertEqual(group20.ref_count, 1)
self.assertEqual(group20.packet_count, 3)
self.assertEqual(group20.byte_count, 300)
self.assertEqual(len(group20.bucket_stats), 2)
for bucket_stat in group20.bucket_stats:
self.assertEqual(bucket_stat.packet_count, 3)
self.assertEqual(bucket_stat.byte_count, 300)
class GroupDescStats(GroupTest):
"""
Desc stats of a group should work
"""
def runTest(self):
self.clear_switch()
b1 = create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 2000),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
b2 = create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 3000),
create_action(action = ofp.OFPAT_OUTPUT, port = 3)
])
b3 = create_bucket(0, 0, 0, [
create_action(action = ofp.OFPAT_SET_FIELD, tcp_sport = 4000),
create_action(action = ofp.OFPAT_OUTPUT, port = 4)
])
group_add_msg = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 10, buckets = [b1, b2, b3])
self.send_ctrl_exp_noerror(group_add_msg, 'group add')
group_desc_stats_req = \
create_group_desc_stats_req()
response = \
self.send_ctrl_exp_reply(group_desc_stats_req,
ofp.OFPT_STATS_REPLY, 'group desc stat')
self.assertEquals(len(response.entries), 1)
group = response.entries[0]
self.assertEquals(group.group_id, 10)
self.assertEquals(len(group.buckets), 3)
self.assertEquals(group.buckets[0], b1)
self.assertEquals(group.buckets[1], b2)
self.assertEquals(group.buckets[2], b3)
#@todo: A flow added with group action should increase the ref counter of the ref. group
#@todo: A flow removed with group action should decrease the ref counter of the ref. group
#@todo: A group added with group action should increase the ref counter of the ref. group
#@todo: A group removed with group action should decrease the ref counter of the ref. group
"""
Flows
"""
#@todo: A deletion for existing group should remove flows referring to that group
#@todo: A flow added referencing a nonexisting group should return an error
"""
Flow select
"""
class GroupFlowSelect(GroupTest):
"""
A group action select with group id should select the correct flows only
"""
def runTest(self):
self.clear_switch()
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 2, buckets = [])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
packet_in1 = testutils.simple_tcp_packet(tcp_sport=1000)
flow_add_msg1 = \
testutils.flow_msg_create(self,packet_in1,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg1, 'flow add 1')
packet_in2 = testutils.simple_tcp_packet(tcp_sport=2000)
flow_add_msg2 = \
testutils.flow_msg_create(self,packet_in2,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 2),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg2, 'flow add 2')
packet_in3 = testutils.simple_tcp_packet(tcp_sport=3000)
flow_add_msg3 = \
testutils.flow_msg_create(self,packet_in3,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 2),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg3, 'flow add 3')
packet_in4 = testutils.simple_tcp_packet(tcp_sport=4000)
flow_add_msg4 = \
testutils.flow_msg_create(self,packet_in4,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg4, 'flow add 4')
aggr_stat_req = ofp.message.aggregate_stats_request()
aggr_stat_req.table_id = 0xff
aggr_stat_req.out_port = ofp.OFPP_ANY
aggr_stat_req.out_group = 2
response = \
self.send_ctrl_exp_reply(aggr_stat_req,
ofp.OFPT_STATS_REPLY, 'aggr stat')
self.assertEqual(response.flow_count, 2,
'Did not match expected flow count')
class GroupFlowSelectAll(GroupTest):
"""
A group action select with OFPG_ALL should ignore output group action
"""
def runTest(self):
self.clear_switch()
group_add_msg1 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 1, buckets = [])
self.send_ctrl_exp_noerror(group_add_msg1, 'group add 1')
group_add_msg2 = \
create_group_mod_msg(ofp.OFPGC_ADD, ofp.OFPGT_ALL, group_id = 2, buckets = [])
self.send_ctrl_exp_noerror(group_add_msg2, 'group add 2')
packet_in1 = testutils.simple_tcp_packet(tcp_sport=1000)
flow_add_msg1 = \
testutils.flow_msg_create(self,packet_in1,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 1),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg1, 'flow add 1')
packet_in2 = testutils.simple_tcp_packet(tcp_sport=2000)
flow_add_msg2 = \
testutils.flow_msg_create(self,packet_in2,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 2),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg2, 'flow add 2')
packet_in3 = testutils.simple_tcp_packet(tcp_sport=3000)
flow_add_msg3 = \
testutils.flow_msg_create(self,packet_in3,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_GROUP, group_id = 2),
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg3, 'flow add 3')
packet_in4 = testutils.simple_tcp_packet(tcp_sport=4000)
flow_add_msg4 = \
testutils.flow_msg_create(self,packet_in4,ing_port = 1,action_list = [
create_action(action = ofp.OFPAT_OUTPUT, port = 2)
])
self.send_ctrl_exp_noerror(flow_add_msg4, 'flow add 4')
aggr_stat_req = ofp.message.aggregate_stats_request()
aggr_stat_req.table_id = 0xff
aggr_stat_req.out_port = ofp.OFPP_ANY
aggr_stat_req.out_group = ofp.OFPG_ANY
response = \
self.send_ctrl_exp_reply(aggr_stat_req,
ofp.OFPT_STATS_REPLY, 'group desc stat')
self.assertEqual(response.flow_count, 4,
'Did not match expected flow count')
if __name__ == "__main__":
print "Please run through oft script: ./oft --test_spec=basic"