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|
# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
#
# 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.
import logging
import netaddr
from os_ken.ofproto import ether
from os_ken.ofproto import inet
from os_ken.ofproto import ofproto_v1_2
from os_ken.ofproto import ofproto_v1_2_parser
from os_ken.lib import ofctl_utils
LOG = logging.getLogger('os_ken.lib.ofctl_v1_2')
DEFAULT_TIMEOUT = 1.0
UTIL = ofctl_utils.OFCtlUtil(ofproto_v1_2)
str_to_int = ofctl_utils.str_to_int
def to_action(dp, dic):
ofp = dp.ofproto
parser = dp.ofproto_parser
action_type = dic.get('type')
return ofctl_utils.to_action(dic, ofp, parser, action_type, UTIL)
def to_actions(dp, acts):
inst = []
actions = []
ofp = dp.ofproto
parser = dp.ofproto_parser
for a in acts:
action = to_action(dp, a)
if action is not None:
actions.append(action)
else:
action_type = a.get('type')
if action_type == 'WRITE_ACTIONS':
write_actions = []
write_acts = a.get('actions')
for act in write_acts:
action = to_action(dp, act)
if action is not None:
write_actions.append(action)
else:
LOG.error('Unknown action type: %s', action_type)
if write_actions:
inst.append(
parser.OFPInstructionActions(ofp.OFPIT_WRITE_ACTIONS,
write_actions))
elif action_type == 'CLEAR_ACTIONS':
inst.append(
parser.OFPInstructionActions(ofp.OFPIT_CLEAR_ACTIONS, []))
elif action_type == 'GOTO_TABLE':
table_id = UTIL.ofp_table_from_user(a.get('table_id'))
inst.append(parser.OFPInstructionGotoTable(table_id))
elif action_type == 'WRITE_METADATA':
metadata = str_to_int(a.get('metadata'))
metadata_mask = (str_to_int(a['metadata_mask'])
if 'metadata_mask' in a
else parser.UINT64_MAX)
inst.append(
parser.OFPInstructionWriteMetadata(
metadata, metadata_mask))
else:
LOG.error('Unknown action type: %s', action_type)
if actions:
inst.append(parser.OFPInstructionActions(ofp.OFPIT_APPLY_ACTIONS,
actions))
return inst
def action_to_str(act):
action_type = act.cls_action_type
if action_type == ofproto_v1_2.OFPAT_OUTPUT:
port = UTIL.ofp_port_to_user(act.port)
buf = 'OUTPUT:' + str(port)
elif action_type == ofproto_v1_2.OFPAT_COPY_TTL_OUT:
buf = 'COPY_TTL_OUT'
elif action_type == ofproto_v1_2.OFPAT_COPY_TTL_IN:
buf = 'COPY_TTL_IN'
elif action_type == ofproto_v1_2.OFPAT_SET_MPLS_TTL:
buf = 'SET_MPLS_TTL:' + str(act.mpls_ttl)
elif action_type == ofproto_v1_2.OFPAT_DEC_MPLS_TTL:
buf = 'DEC_MPLS_TTL'
elif action_type == ofproto_v1_2.OFPAT_PUSH_VLAN:
buf = 'PUSH_VLAN:' + str(act.ethertype)
elif action_type == ofproto_v1_2.OFPAT_POP_VLAN:
buf = 'POP_VLAN'
elif action_type == ofproto_v1_2.OFPAT_PUSH_MPLS:
buf = 'PUSH_MPLS:' + str(act.ethertype)
elif action_type == ofproto_v1_2.OFPAT_POP_MPLS:
buf = 'POP_MPLS:' + str(act.ethertype)
elif action_type == ofproto_v1_2.OFPAT_SET_QUEUE:
queue_id = UTIL.ofp_queue_to_user(act.queue_id)
buf = 'SET_QUEUE:' + str(queue_id)
elif action_type == ofproto_v1_2.OFPAT_GROUP:
group_id = UTIL.ofp_group_to_user(act.group_id)
buf = 'GROUP:' + str(group_id)
elif action_type == ofproto_v1_2.OFPAT_SET_NW_TTL:
buf = 'SET_NW_TTL:' + str(act.nw_ttl)
elif action_type == ofproto_v1_2.OFPAT_DEC_NW_TTL:
buf = 'DEC_NW_TTL'
elif action_type == ofproto_v1_2.OFPAT_SET_FIELD:
buf = 'SET_FIELD: {%s:%s}' % (act.key, act.value)
else:
buf = 'UNKNOWN'
return buf
def actions_to_str(instructions):
actions = []
for instruction in instructions:
if isinstance(instruction,
ofproto_v1_2_parser.OFPInstructionActions):
if instruction.type == ofproto_v1_2.OFPIT_APPLY_ACTIONS:
for a in instruction.actions:
actions.append(action_to_str(a))
elif instruction.type == ofproto_v1_2.OFPIT_WRITE_ACTIONS:
write_actions = []
for a in instruction.actions:
write_actions.append(action_to_str(a))
if write_actions:
actions.append({'WRITE_ACTIONS': write_actions})
elif instruction.type == ofproto_v1_2.OFPIT_CLEAR_ACTIONS:
actions.append('CLEAR_ACTIONS')
else:
actions.append('UNKNOWN')
elif isinstance(instruction,
ofproto_v1_2_parser.OFPInstructionGotoTable):
table_id = UTIL.ofp_table_to_user(instruction.table_id)
buf = 'GOTO_TABLE:' + str(table_id)
actions.append(buf)
elif isinstance(instruction,
ofproto_v1_2_parser.OFPInstructionWriteMetadata):
buf = ('WRITE_METADATA:0x%x/0x%x' % (instruction.metadata,
instruction.metadata_mask)
if instruction.metadata_mask
else 'WRITE_METADATA:0x%x' % instruction.metadata)
actions.append(buf)
else:
continue
return actions
def to_match(dp, attrs):
convert = {'in_port': UTIL.ofp_port_from_user,
'in_phy_port': str_to_int,
'metadata': ofctl_utils.to_match_masked_int,
'dl_dst': ofctl_utils.to_match_eth,
'dl_src': ofctl_utils.to_match_eth,
'eth_dst': ofctl_utils.to_match_eth,
'eth_src': ofctl_utils.to_match_eth,
'dl_type': str_to_int,
'eth_type': str_to_int,
'dl_vlan': to_match_vid,
'vlan_vid': to_match_vid,
'vlan_pcp': str_to_int,
'ip_dscp': str_to_int,
'ip_ecn': str_to_int,
'nw_proto': str_to_int,
'ip_proto': str_to_int,
'nw_src': ofctl_utils.to_match_ip,
'nw_dst': ofctl_utils.to_match_ip,
'ipv4_src': ofctl_utils.to_match_ip,
'ipv4_dst': ofctl_utils.to_match_ip,
'tp_src': str_to_int,
'tp_dst': str_to_int,
'tcp_src': str_to_int,
'tcp_dst': str_to_int,
'udp_src': str_to_int,
'udp_dst': str_to_int,
'sctp_src': str_to_int,
'sctp_dst': str_to_int,
'icmpv4_type': str_to_int,
'icmpv4_code': str_to_int,
'arp_op': str_to_int,
'arp_spa': ofctl_utils.to_match_ip,
'arp_tpa': ofctl_utils.to_match_ip,
'arp_sha': ofctl_utils.to_match_eth,
'arp_tha': ofctl_utils.to_match_eth,
'ipv6_src': ofctl_utils.to_match_ip,
'ipv6_dst': ofctl_utils.to_match_ip,
'ipv6_flabel': str_to_int,
'icmpv6_type': str_to_int,
'icmpv6_code': str_to_int,
'ipv6_nd_target': ofctl_utils.to_match_ip,
'ipv6_nd_sll': ofctl_utils.to_match_eth,
'ipv6_nd_tll': ofctl_utils.to_match_eth,
'mpls_label': str_to_int,
'mpls_tc': str_to_int}
keys = {'dl_dst': 'eth_dst',
'dl_src': 'eth_src',
'dl_type': 'eth_type',
'dl_vlan': 'vlan_vid',
'nw_src': 'ipv4_src',
'nw_dst': 'ipv4_dst',
'nw_proto': 'ip_proto'}
if attrs.get('dl_type') == ether.ETH_TYPE_ARP or \
attrs.get('eth_type') == ether.ETH_TYPE_ARP:
if 'nw_src' in attrs and 'arp_spa' not in attrs:
attrs['arp_spa'] = attrs['nw_src']
del attrs['nw_src']
if 'nw_dst' in attrs and 'arp_tpa' not in attrs:
attrs['arp_tpa'] = attrs['nw_dst']
del attrs['nw_dst']
kwargs = {}
for key, value in attrs.items():
if key in keys:
# For old field name
key = keys[key]
if key in convert:
value = convert[key](value)
if key == 'tp_src' or key == 'tp_dst':
# TCP/UDP port
conv = {inet.IPPROTO_TCP: {'tp_src': 'tcp_src',
'tp_dst': 'tcp_dst'},
inet.IPPROTO_UDP: {'tp_src': 'udp_src',
'tp_dst': 'udp_dst'}}
ip_proto = attrs.get('nw_proto', attrs.get('ip_proto', 0))
key = conv[ip_proto][key]
kwargs[key] = value
else:
# others
kwargs[key] = value
else:
LOG.error('Unknown match field: %s', key)
return dp.ofproto_parser.OFPMatch(**kwargs)
def to_match_vid(value):
return ofctl_utils.to_match_vid(value, ofproto_v1_2.OFPVID_PRESENT)
def match_to_str(ofmatch):
keys = {'eth_src': 'dl_src',
'eth_dst': 'dl_dst',
'eth_type': 'dl_type',
'vlan_vid': 'dl_vlan',
'ipv4_src': 'nw_src',
'ipv4_dst': 'nw_dst',
'ip_proto': 'nw_proto',
'tcp_src': 'tp_src',
'tcp_dst': 'tp_dst',
'udp_src': 'tp_src',
'udp_dst': 'tp_dst'}
match = {}
ofmatch = ofmatch.to_jsondict()['OFPMatch']
ofmatch = ofmatch['oxm_fields']
for match_field in ofmatch:
key = match_field['OXMTlv']['field']
if key in keys:
key = keys[key]
mask = match_field['OXMTlv']['mask']
value = match_field['OXMTlv']['value']
if key == 'dl_vlan':
value = match_vid_to_str(value, mask)
elif key == 'in_port':
value = UTIL.ofp_port_to_user(value)
else:
if mask is not None:
value = str(value) + '/' + str(mask)
match.setdefault(key, value)
return match
def match_vid_to_str(value, mask):
return ofctl_utils.match_vid_to_str(
value, mask, ofproto_v1_2.OFPVID_PRESENT)
def get_desc_stats(dp, waiters):
stats = dp.ofproto_parser.OFPDescStatsRequest(dp)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
s = {}
for msg in msgs:
stats = msg.body
s = stats.to_jsondict()[stats.__class__.__name__]
return {str(dp.id): s}
def get_queue_stats(dp, waiters, port=None, queue_id=None):
ofp = dp.ofproto
if port is None:
port = ofp.OFPP_ANY
else:
port = str_to_int(port)
if queue_id is None:
queue_id = ofp.OFPQ_ALL
else:
queue_id = str_to_int(queue_id)
stats = dp.ofproto_parser.OFPQueueStatsRequest(dp, port,
queue_id, 0)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
s = []
for msg in msgs:
stats = msg.body
for stat in stats:
s.append({'port_no': stat.port_no,
'queue_id': stat.queue_id,
'tx_bytes': stat.tx_bytes,
'tx_errors': stat.tx_errors,
'tx_packets': stat.tx_packets})
return {str(dp.id): s}
def get_queue_config(dp, waiters, port=None):
ofp = dp.ofproto
if port is None:
port = ofp.OFPP_ANY
else:
port = UTIL.ofp_port_from_user(str_to_int(port))
stats = dp.ofproto_parser.OFPQueueGetConfigRequest(dp, port)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
prop_type = {
dp.ofproto.OFPQT_MIN_RATE: 'MIN_RATE',
dp.ofproto.OFPQT_MAX_RATE: 'MAX_RATE',
dp.ofproto.OFPQT_EXPERIMENTER: 'EXPERIMENTER',
}
configs = []
for config in msgs:
queue_list = []
for queue in config.queues:
prop_list = []
for prop in queue.properties:
p = {'property': prop_type.get(prop.property, 'UNKNOWN')}
if prop.property == dp.ofproto.OFPQT_MIN_RATE or \
prop.property == dp.ofproto.OFPQT_MAX_RATE:
p['rate'] = prop.rate
elif prop.property == dp.ofproto.OFPQT_EXPERIMENTER:
p['experimenter'] = prop.experimenter
p['data'] = prop.data
prop_list.append(p)
q = {'port': UTIL.ofp_port_to_user(queue.port),
'properties': prop_list,
'queue_id': UTIL.ofp_queue_to_user(queue.queue_id)}
queue_list.append(q)
c = {'port': UTIL.ofp_port_to_user(config.port),
'queues': queue_list}
configs.append(c)
return {str(dp.id): configs}
def get_flow_stats(dp, waiters, flow=None):
flow = flow if flow else {}
table_id = UTIL.ofp_table_from_user(
flow.get('table_id', dp.ofproto.OFPTT_ALL))
out_port = UTIL.ofp_port_from_user(
flow.get('out_port', dp.ofproto.OFPP_ANY))
out_group = UTIL.ofp_group_from_user(
flow.get('out_group', dp.ofproto.OFPG_ANY))
cookie = str_to_int(flow.get('cookie', 0))
cookie_mask = str_to_int(flow.get('cookie_mask', 0))
match = to_match(dp, flow.get('match', {}))
# Note: OpenFlow does not allow to filter flow entries by priority,
# but for efficiency, ofctl provides the way to do it.
priority = str_to_int(flow.get('priority', -1))
stats = dp.ofproto_parser.OFPFlowStatsRequest(
dp, table_id, out_port, out_group, cookie, cookie_mask, match)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
flows = []
for msg in msgs:
for stats in msg.body:
if 0 <= priority != stats.priority:
continue
actions = actions_to_str(stats.instructions)
match = match_to_str(stats.match)
s = {'priority': stats.priority,
'cookie': stats.cookie,
'idle_timeout': stats.idle_timeout,
'hard_timeout': stats.hard_timeout,
'actions': actions,
'match': match,
'byte_count': stats.byte_count,
'duration_sec': stats.duration_sec,
'duration_nsec': stats.duration_nsec,
'packet_count': stats.packet_count,
'table_id': UTIL.ofp_table_to_user(stats.table_id),
'length': stats.length}
flows.append(s)
return {str(dp.id): flows}
def get_aggregate_flow_stats(dp, waiters, flow=None):
flow = flow if flow else {}
table_id = UTIL.ofp_table_from_user(
flow.get('table_id', dp.ofproto.OFPTT_ALL))
out_port = UTIL.ofp_port_from_user(
flow.get('out_port', dp.ofproto.OFPP_ANY))
out_group = UTIL.ofp_group_from_user(
flow.get('out_group', dp.ofproto.OFPG_ANY))
cookie = str_to_int(flow.get('cookie', 0))
cookie_mask = str_to_int(flow.get('cookie_mask', 0))
match = to_match(dp, flow.get('match', {}))
stats = dp.ofproto_parser.OFPAggregateStatsRequest(
dp, table_id, out_port, out_group, cookie, cookie_mask, match)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
flows = []
for msg in msgs:
stats = msg.body
s = {'packet_count': stats.packet_count,
'byte_count': stats.byte_count,
'flow_count': stats.flow_count}
flows.append(s)
return {str(dp.id): flows}
def get_table_stats(dp, waiters):
stats = dp.ofproto_parser.OFPTableStatsRequest(dp)
ofp = dp.ofproto
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
oxm_type_convert = {ofp.OFPXMT_OFB_IN_PORT: 'IN_PORT',
ofp.OFPXMT_OFB_IN_PHY_PORT: 'IN_PHY_PORT',
ofp.OFPXMT_OFB_METADATA: 'METADATA',
ofp.OFPXMT_OFB_ETH_DST: 'ETH_DST',
ofp.OFPXMT_OFB_ETH_SRC: 'ETH_SRC',
ofp.OFPXMT_OFB_ETH_TYPE: 'ETH_TYPE',
ofp.OFPXMT_OFB_VLAN_VID: 'VLAN_VID',
ofp.OFPXMT_OFB_VLAN_PCP: 'VLAN_PCP',
ofp.OFPXMT_OFB_IP_DSCP: 'IP_DSCP',
ofp.OFPXMT_OFB_IP_ECN: 'IP_ECN',
ofp.OFPXMT_OFB_IP_PROTO: 'IP_PROTO',
ofp.OFPXMT_OFB_IPV4_SRC: 'IPV4_SRC',
ofp.OFPXMT_OFB_IPV4_DST: 'IPV4_DST',
ofp.OFPXMT_OFB_TCP_SRC: 'TCP_SRC',
ofp.OFPXMT_OFB_TCP_DST: 'TCP_DST',
ofp.OFPXMT_OFB_UDP_SRC: 'UDP_SRC',
ofp.OFPXMT_OFB_UDP_DST: 'UDP_DST',
ofp.OFPXMT_OFB_SCTP_SRC: 'SCTP_SRC',
ofp.OFPXMT_OFB_SCTP_DST: 'SCTP_DST',
ofp.OFPXMT_OFB_ICMPV4_TYPE: 'ICMPV4_TYPE',
ofp.OFPXMT_OFB_ICMPV4_CODE: 'ICMPV4_CODE',
ofp.OFPXMT_OFB_ARP_OP: 'ARP_OP',
ofp.OFPXMT_OFB_ARP_SPA: 'ARP_SPA',
ofp.OFPXMT_OFB_ARP_TPA: 'ARP_TPA',
ofp.OFPXMT_OFB_ARP_SHA: 'ARP_SHA',
ofp.OFPXMT_OFB_ARP_THA: 'ARP_THA',
ofp.OFPXMT_OFB_IPV6_SRC: 'IPV6_SRC',
ofp.OFPXMT_OFB_IPV6_DST: 'IPV6_DST',
ofp.OFPXMT_OFB_IPV6_FLABEL: 'IPV6_FLABEL',
ofp.OFPXMT_OFB_ICMPV6_TYPE: 'ICMPV6_TYPE',
ofp.OFPXMT_OFB_ICMPV6_CODE: 'ICMPV6_CODE',
ofp.OFPXMT_OFB_IPV6_ND_TARGET: 'IPV6_ND_TARGET',
ofp.OFPXMT_OFB_IPV6_ND_SLL: 'IPV6_ND_SLL',
ofp.OFPXMT_OFB_IPV6_ND_TLL: 'IPV6_ND_TLL',
ofp.OFPXMT_OFB_MPLS_LABEL: 'MPLS_LABEL',
ofp.OFPXMT_OFB_MPLS_TC: 'MPLS_TC'}
act_convert = {ofp.OFPAT_OUTPUT: 'OUTPUT',
ofp.OFPAT_COPY_TTL_OUT: 'COPY_TTL_OUT',
ofp.OFPAT_COPY_TTL_IN: 'COPY_TTL_IN',
ofp.OFPAT_SET_MPLS_TTL: 'SET_MPLS_TTL',
ofp.OFPAT_DEC_MPLS_TTL: 'DEC_MPLS_TTL',
ofp.OFPAT_PUSH_VLAN: 'PUSH_VLAN',
ofp.OFPAT_POP_VLAN: 'POP_VLAN',
ofp.OFPAT_PUSH_MPLS: 'PUSH_MPLS',
ofp.OFPAT_POP_MPLS: 'POP_MPLS',
ofp.OFPAT_SET_QUEUE: 'SET_QUEUE',
ofp.OFPAT_GROUP: 'GROUP',
ofp.OFPAT_SET_NW_TTL: 'SET_NW_TTL',
ofp.OFPAT_DEC_NW_TTL: 'DEC_NW_TTL',
ofp.OFPAT_SET_FIELD: 'SET_FIELD'}
inst_convert = {ofp.OFPIT_GOTO_TABLE: 'GOTO_TABLE',
ofp.OFPIT_WRITE_METADATA: 'WRITE_METADATA',
ofp.OFPIT_WRITE_ACTIONS: 'WRITE_ACTIONS',
ofp.OFPIT_APPLY_ACTIONS: 'APPLY_ACTIONS',
ofp.OFPIT_CLEAR_ACTIONS: 'CLEAR_ACTIONS',
ofp.OFPIT_EXPERIMENTER: 'EXPERIMENTER'}
table_conf_convert = {
ofp.OFPTC_TABLE_MISS_CONTROLLER: 'TABLE_MISS_CONTROLLER',
ofp.OFPTC_TABLE_MISS_CONTINUE: 'TABLE_MISS_CONTINUE',
ofp.OFPTC_TABLE_MISS_DROP: 'TABLE_MISS_DROP',
ofp.OFPTC_TABLE_MISS_MASK: 'TABLE_MISS_MASK'}
tables = []
for msg in msgs:
stats = msg.body
for stat in stats:
match = []
wildcards = []
write_setfields = []
apply_setfields = []
for k, v in oxm_type_convert.items():
if (1 << k) & stat.match:
match.append(v)
if (1 << k) & stat.wildcards:
wildcards.append(v)
if (1 << k) & stat.write_setfields:
write_setfields.append(v)
if (1 << k) & stat.apply_setfields:
apply_setfields.append(v)
write_actions = []
apply_actions = []
for k, v in act_convert.items():
if (1 << k) & stat.write_actions:
write_actions.append(v)
if (1 << k) & stat.apply_actions:
apply_actions.append(v)
instructions = []
for k, v in inst_convert.items():
if (1 << k) & stat.instructions:
instructions.append(v)
config = []
for k, v in table_conf_convert.items():
if (1 << k) & stat.config:
config.append(v)
s = {'table_id': UTIL.ofp_table_to_user(stat.table_id),
'name': stat.name.decode('utf-8'),
'match': match,
'wildcards': wildcards,
'write_actions': write_actions,
'apply_actions': apply_actions,
'write_setfields': write_setfields,
'apply_setfields': apply_setfields,
'metadata_match': stat.metadata_match,
'metadata_write': stat.metadata_write,
'instructions': instructions,
'config': config,
'max_entries': stat.max_entries,
'active_count': stat.active_count,
'lookup_count': stat.lookup_count,
'matched_count': stat.matched_count}
tables.append(s)
return {str(dp.id): tables}
def get_port_stats(dp, waiters, port=None):
if port is None:
port = dp.ofproto.OFPP_ANY
else:
port = str_to_int(port)
stats = dp.ofproto_parser.OFPPortStatsRequest(
dp, port, 0)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
ports = []
for msg in msgs:
for stats in msg.body:
s = {'port_no': UTIL.ofp_port_to_user(stats.port_no),
'rx_packets': stats.rx_packets,
'tx_packets': stats.tx_packets,
'rx_bytes': stats.rx_bytes,
'tx_bytes': stats.tx_bytes,
'rx_dropped': stats.rx_dropped,
'tx_dropped': stats.tx_dropped,
'rx_errors': stats.rx_errors,
'tx_errors': stats.tx_errors,
'rx_frame_err': stats.rx_frame_err,
'rx_over_err': stats.rx_over_err,
'rx_crc_err': stats.rx_crc_err,
'collisions': stats.collisions}
ports.append(s)
return {str(dp.id): ports}
def get_group_stats(dp, waiters, group_id=None):
if group_id is None:
group_id = dp.ofproto.OFPG_ALL
else:
group_id = str_to_int(group_id)
stats = dp.ofproto_parser.OFPGroupStatsRequest(
dp, group_id, 0)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
groups = []
for msg in msgs:
for stats in msg.body:
bucket_counters = []
for bucket_counter in stats.bucket_counters:
c = {'packet_count': bucket_counter.packet_count,
'byte_count': bucket_counter.byte_count}
bucket_counters.append(c)
g = {'length': stats.length,
'group_id': UTIL.ofp_group_to_user(stats.group_id),
'ref_count': stats.ref_count,
'packet_count': stats.packet_count,
'byte_count': stats.byte_count,
'bucket_stats': bucket_counters}
groups.append(g)
return {str(dp.id): groups}
def get_group_features(dp, waiters):
ofp = dp.ofproto
type_convert = {ofp.OFPGT_ALL: 'ALL',
ofp.OFPGT_SELECT: 'SELECT',
ofp.OFPGT_INDIRECT: 'INDIRECT',
ofp.OFPGT_FF: 'FF'}
cap_convert = {ofp.OFPGFC_SELECT_WEIGHT: 'SELECT_WEIGHT',
ofp.OFPGFC_SELECT_LIVENESS: 'SELECT_LIVENESS',
ofp.OFPGFC_CHAINING: 'CHAINING',
ofp.OFPGFC_CHAINING_CHECKS: 'CHAINING_CHECKS'}
act_convert = {ofp.OFPAT_OUTPUT: 'OUTPUT',
ofp.OFPAT_COPY_TTL_OUT: 'COPY_TTL_OUT',
ofp.OFPAT_COPY_TTL_IN: 'COPY_TTL_IN',
ofp.OFPAT_SET_MPLS_TTL: 'SET_MPLS_TTL',
ofp.OFPAT_DEC_MPLS_TTL: 'DEC_MPLS_TTL',
ofp.OFPAT_PUSH_VLAN: 'PUSH_VLAN',
ofp.OFPAT_POP_VLAN: 'POP_VLAN',
ofp.OFPAT_PUSH_MPLS: 'PUSH_MPLS',
ofp.OFPAT_POP_MPLS: 'POP_MPLS',
ofp.OFPAT_SET_QUEUE: 'SET_QUEUE',
ofp.OFPAT_GROUP: 'GROUP',
ofp.OFPAT_SET_NW_TTL: 'SET_NW_TTL',
ofp.OFPAT_DEC_NW_TTL: 'DEC_NW_TTL',
ofp.OFPAT_SET_FIELD: 'SET_FIELD'}
stats = dp.ofproto_parser.OFPGroupFeaturesStatsRequest(dp, 0)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
features = []
for msg in msgs:
feature = msg.body
types = []
for k, v in type_convert.items():
if (1 << k) & feature.types:
types.append(v)
capabilities = []
for k, v in cap_convert.items():
if k & feature.capabilities:
capabilities.append(v)
max_groups = []
for k, v in type_convert.items():
max_groups.append({v: feature.max_groups[k]})
actions = []
for k1, v1 in type_convert.items():
acts = []
for k2, v2 in act_convert.items():
if (1 << k2) & feature.actions[k1]:
acts.append(v2)
actions.append({v1: acts})
f = {'types': types,
'capabilities': capabilities,
'max_groups': max_groups,
'actions': actions}
features.append(f)
return {str(dp.id): features}
def get_group_desc(dp, waiters):
type_convert = {dp.ofproto.OFPGT_ALL: 'ALL',
dp.ofproto.OFPGT_SELECT: 'SELECT',
dp.ofproto.OFPGT_INDIRECT: 'INDIRECT',
dp.ofproto.OFPGT_FF: 'FF'}
stats = dp.ofproto_parser.OFPGroupDescStatsRequest(dp, 0)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
descs = []
for msg in msgs:
for stats in msg.body:
buckets = []
for bucket in stats.buckets:
actions = []
for action in bucket.actions:
actions.append(action_to_str(action))
b = {'weight': bucket.weight,
'watch_port': bucket.watch_port,
'watch_group': bucket.watch_group,
'actions': actions}
buckets.append(b)
d = {'type': type_convert.get(stats.type),
'group_id': UTIL.ofp_group_to_user(stats.group_id),
'buckets': buckets}
descs.append(d)
return {str(dp.id): descs}
def get_port_desc(dp, waiters):
stats = dp.ofproto_parser.OFPFeaturesRequest(dp)
msgs = []
ofctl_utils.send_stats_request(dp, stats, waiters, msgs, LOG)
descs = []
for msg in msgs:
stats = msg.ports
for stat in stats.values():
d = {'port_no': UTIL.ofp_port_to_user(stat.port_no),
'hw_addr': stat.hw_addr,
'name': stat.name.decode('utf-8'),
'config': stat.config,
'state': stat.state,
'curr': stat.curr,
'advertised': stat.advertised,
'supported': stat.supported,
'peer': stat.peer,
'curr_speed': stat.curr_speed,
'max_speed': stat.max_speed}
descs.append(d)
return {str(dp.id): descs}
def get_role(dp, waiters, to_user=True):
return ofctl_utils.get_role(dp, waiters, to_user)
def mod_flow_entry(dp, flow, cmd):
cookie = str_to_int(flow.get('cookie', 0))
cookie_mask = str_to_int(flow.get('cookie_mask', 0))
table_id = UTIL.ofp_table_from_user(flow.get('table_id', 0))
idle_timeout = str_to_int(flow.get('idle_timeout', 0))
hard_timeout = str_to_int(flow.get('hard_timeout', 0))
priority = str_to_int(flow.get('priority', 0))
buffer_id = UTIL.ofp_buffer_from_user(
flow.get('buffer_id', dp.ofproto.OFP_NO_BUFFER))
out_port = UTIL.ofp_port_from_user(
flow.get('out_port', dp.ofproto.OFPP_ANY))
out_group = UTIL.ofp_group_from_user(
flow.get('out_group', dp.ofproto.OFPG_ANY))
flags = str_to_int(flow.get('flags', 0))
match = to_match(dp, flow.get('match', {}))
inst = to_actions(dp, flow.get('actions', []))
flow_mod = dp.ofproto_parser.OFPFlowMod(
dp, cookie, cookie_mask, table_id, cmd, idle_timeout,
hard_timeout, priority, buffer_id, out_port, out_group,
flags, match, inst)
ofctl_utils.send_msg(dp, flow_mod, LOG)
def mod_group_entry(dp, group, cmd):
type_convert = {'ALL': dp.ofproto.OFPGT_ALL,
'SELECT': dp.ofproto.OFPGT_SELECT,
'INDIRECT': dp.ofproto.OFPGT_INDIRECT,
'FF': dp.ofproto.OFPGT_FF}
type_ = type_convert.get(group.get('type', 'ALL'))
if type_ is None:
LOG.error('Unknown group type: %s', group.get('type'))
group_id = UTIL.ofp_group_from_user(group.get('group_id', 0))
buckets = []
for bucket in group.get('buckets', []):
weight = str_to_int(bucket.get('weight', 0))
watch_port = str_to_int(
bucket.get('watch_port', dp.ofproto.OFPP_ANY))
watch_group = str_to_int(
bucket.get('watch_group', dp.ofproto.OFPG_ANY))
actions = []
for dic in bucket.get('actions', []):
action = to_action(dp, dic)
if action is not None:
actions.append(action)
buckets.append(dp.ofproto_parser.OFPBucket(
weight, watch_port, watch_group, actions))
group_mod = dp.ofproto_parser.OFPGroupMod(
dp, cmd, type_, group_id, buckets)
ofctl_utils.send_msg(dp, group_mod, LOG)
def mod_port_behavior(dp, port_config):
port_no = UTIL.ofp_port_from_user(port_config.get('port_no', 0))
hw_addr = str(port_config.get('hw_addr'))
config = str_to_int(port_config.get('config', 0))
mask = str_to_int(port_config.get('mask', 0))
advertise = str_to_int(port_config.get('advertise'))
port_mod = dp.ofproto_parser.OFPPortMod(
dp, port_no, hw_addr, config, mask, advertise)
ofctl_utils.send_msg(dp, port_mod, LOG)
def set_role(dp, role):
r = UTIL.ofp_role_from_user(role.get('role', dp.ofproto.OFPCR_ROLE_EQUAL))
role_request = dp.ofproto_parser.OFPRoleRequest(dp, r, 0)
ofctl_utils.send_msg(dp, role_request, LOG)
# NOTE(jkoelker) Alias common funcitons
send_experimenter = ofctl_utils.send_experimenter
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