1122 lines
40 KiB
Python
1122 lines
40 KiB
Python
# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import base64
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import logging
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import netaddr
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from ryu.ofproto import ether
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from ryu.ofproto import inet
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from ryu.ofproto import ofproto_v1_3
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from ryu.ofproto import ofproto_v1_3_parser
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from ryu.lib import hub
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from ryu.lib import ofctl_utils
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LOG = logging.getLogger('ryu.lib.ofctl_v1_3')
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DEFAULT_TIMEOUT = 1.0
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UTIL = ofctl_utils.OFCtlUtil(ofproto_v1_3)
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def to_action(dp, dic):
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ofp = dp.ofproto
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parser = dp.ofproto_parser
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action_type = dic.get('type')
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if action_type == 'OUTPUT':
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out_port = UTIL.ofp_port_from_user(dic.get('port', ofp.OFPP_ANY))
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max_len = UTIL.ofp_cml_from_user(dic.get('max_len', ofp.OFPCML_MAX))
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result = parser.OFPActionOutput(out_port, max_len)
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elif action_type == 'COPY_TTL_OUT':
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result = parser.OFPActionCopyTtlOut()
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elif action_type == 'COPY_TTL_IN':
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result = parser.OFPActionCopyTtlIn()
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elif action_type == 'SET_MPLS_TTL':
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mpls_ttl = int(dic.get('mpls_ttl'))
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result = parser.OFPActionSetMplsTtl(mpls_ttl)
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elif action_type == 'DEC_MPLS_TTL':
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result = parser.OFPActionDecMplsTtl()
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elif action_type == 'PUSH_VLAN':
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ethertype = int(dic.get('ethertype'))
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result = parser.OFPActionPushVlan(ethertype)
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elif action_type == 'POP_VLAN':
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result = parser.OFPActionPopVlan()
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elif action_type == 'PUSH_MPLS':
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ethertype = int(dic.get('ethertype'))
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result = parser.OFPActionPushMpls(ethertype)
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elif action_type == 'POP_MPLS':
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ethertype = int(dic.get('ethertype'))
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result = parser.OFPActionPopMpls(ethertype)
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elif action_type == 'SET_QUEUE':
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queue_id = UTIL.ofp_queue_from_user(dic.get('queue_id'))
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result = parser.OFPActionSetQueue(queue_id)
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elif action_type == 'GROUP':
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group_id = UTIL.ofp_group_from_user(dic.get('group_id'))
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result = parser.OFPActionGroup(group_id)
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elif action_type == 'SET_NW_TTL':
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nw_ttl = int(dic.get('nw_ttl'))
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result = parser.OFPActionSetNwTtl(nw_ttl)
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elif action_type == 'DEC_NW_TTL':
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result = parser.OFPActionDecNwTtl()
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elif action_type == 'SET_FIELD':
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field = dic.get('field')
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value = dic.get('value')
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result = parser.OFPActionSetField(**{field: value})
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elif action_type == 'PUSH_PBB':
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ethertype = int(dic.get('ethertype'))
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result = parser.OFPActionPushPbb(ethertype)
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elif action_type == 'POP_PBB':
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result = parser.OFPActionPopPbb()
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else:
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result = None
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return result
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def to_actions(dp, acts):
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inst = []
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actions = []
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ofp = dp.ofproto
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parser = dp.ofproto_parser
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for a in acts:
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action = to_action(dp, a)
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if action is not None:
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actions.append(action)
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else:
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action_type = a.get('type')
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if action_type == 'WRITE_ACTIONS':
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write_actions = []
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write_acts = a.get('actions')
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for a in write_acts:
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action = to_action(dp, a)
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if action is not None:
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write_actions.append(action)
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else:
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LOG.error('Unknown action type: %s', action_type)
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if write_actions:
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inst.append(parser.OFPInstructionActions(ofp.OFPIT_WRITE_ACTIONS,
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write_actions))
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elif action_type == 'CLEAR_ACTIONS':
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inst.append(parser.OFPInstructionActions(
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ofp.OFPIT_CLEAR_ACTIONS, []))
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elif action_type == 'GOTO_TABLE':
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table_id = UTIL.ofp_table_from_user(a.get('table_id'))
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inst.append(parser.OFPInstructionGotoTable(table_id))
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elif action_type == 'WRITE_METADATA':
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metadata = ofctl_utils.str_to_int(a.get('metadata'))
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metadata_mask = (ofctl_utils.str_to_int(a['metadata_mask'])
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if 'metadata_mask' in a
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else parser.UINT64_MAX)
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inst.append(
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parser.OFPInstructionWriteMetadata(
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metadata, metadata_mask))
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elif action_type == 'METER':
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meter_id = UTIL.ofp_meter_from_user(a.get('meter_id'))
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inst.append(parser.OFPInstructionMeter(meter_id))
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else:
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LOG.error('Unknown action type: %s', action_type)
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if actions:
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inst.append(parser.OFPInstructionActions(ofp.OFPIT_APPLY_ACTIONS,
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actions))
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return inst
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def action_to_str(act):
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action_type = act.cls_action_type
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if action_type == ofproto_v1_3.OFPAT_OUTPUT:
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port = UTIL.ofp_port_to_user(act.port)
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buf = 'OUTPUT:' + str(port)
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elif action_type == ofproto_v1_3.OFPAT_COPY_TTL_OUT:
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buf = 'COPY_TTL_OUT'
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elif action_type == ofproto_v1_3.OFPAT_COPY_TTL_IN:
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buf = 'COPY_TTL_IN'
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elif action_type == ofproto_v1_3.OFPAT_SET_MPLS_TTL:
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buf = 'SET_MPLS_TTL:' + str(act.mpls_ttl)
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elif action_type == ofproto_v1_3.OFPAT_DEC_MPLS_TTL:
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buf = 'DEC_MPLS_TTL'
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elif action_type == ofproto_v1_3.OFPAT_PUSH_VLAN:
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buf = 'PUSH_VLAN:' + str(act.ethertype)
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elif action_type == ofproto_v1_3.OFPAT_POP_VLAN:
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buf = 'POP_VLAN'
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elif action_type == ofproto_v1_3.OFPAT_PUSH_MPLS:
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buf = 'PUSH_MPLS:' + str(act.ethertype)
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elif action_type == ofproto_v1_3.OFPAT_POP_MPLS:
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buf = 'POP_MPLS:' + str(act.ethertype)
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elif action_type == ofproto_v1_3.OFPAT_SET_QUEUE:
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queue_id = UTIL.ofp_queue_to_user(act.queue_id)
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buf = 'SET_QUEUE:' + str(queue_id)
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elif action_type == ofproto_v1_3.OFPAT_GROUP:
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group_id = UTIL.ofp_group_to_user(act.group_id)
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buf = 'GROUP:' + str(group_id)
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elif action_type == ofproto_v1_3.OFPAT_SET_NW_TTL:
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buf = 'SET_NW_TTL:' + str(act.nw_ttl)
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elif action_type == ofproto_v1_3.OFPAT_DEC_NW_TTL:
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buf = 'DEC_NW_TTL'
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elif action_type == ofproto_v1_3.OFPAT_SET_FIELD:
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buf = 'SET_FIELD: {%s:%s}' % (act.key, act.value)
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elif action_type == ofproto_v1_3.OFPAT_PUSH_PBB:
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buf = 'PUSH_PBB:' + str(act.ethertype)
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elif action_type == ofproto_v1_3.OFPAT_POP_PBB:
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buf = 'POP_PBB'
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else:
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buf = 'UNKNOWN'
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return buf
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def actions_to_str(instructions):
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actions = []
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for instruction in instructions:
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if isinstance(instruction,
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ofproto_v1_3_parser.OFPInstructionActions):
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if instruction.type == ofproto_v1_3.OFPIT_APPLY_ACTIONS:
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for a in instruction.actions:
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actions.append(action_to_str(a))
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elif instruction.type == ofproto_v1_3.OFPIT_WRITE_ACTIONS:
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write_actions = []
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for a in instruction.actions:
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write_actions.append(action_to_str(a))
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if write_actions:
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actions.append({'WRITE_ACTIONS': write_actions})
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elif instruction.type == ofproto_v1_3.OFPIT_CLEAR_ACTIONS:
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actions.append('CLEAR_ACTIONS')
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else:
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actions.append('UNKNOWN')
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elif isinstance(instruction,
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ofproto_v1_3_parser.OFPInstructionGotoTable):
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table_id = UTIL.ofp_table_to_user(instruction.table_id)
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buf = 'GOTO_TABLE:' + str(table_id)
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actions.append(buf)
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elif isinstance(instruction,
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ofproto_v1_3_parser.OFPInstructionWriteMetadata):
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buf = ('WRITE_METADATA:0x%x/0x%x' % (instruction.metadata,
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instruction.metadata_mask)
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if instruction.metadata_mask
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else 'WRITE_METADATA:0x%x' % instruction.metadata)
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actions.append(buf)
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elif isinstance(instruction,
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ofproto_v1_3_parser.OFPInstructionMeter):
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meter_id = UTIL.ofp_meter_to_user(instruction.meter_id)
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buf = 'METER:' + str(meter_id)
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actions.append(buf)
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else:
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continue
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return actions
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def to_match(dp, attrs):
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convert = {'in_port': UTIL.ofp_port_from_user,
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'in_phy_port': int,
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'metadata': to_match_masked_int,
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'dl_dst': to_match_eth,
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'dl_src': to_match_eth,
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'eth_dst': to_match_eth,
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'eth_src': to_match_eth,
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'dl_type': int,
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'eth_type': int,
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'dl_vlan': to_match_vid,
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'vlan_vid': to_match_vid,
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'vlan_pcp': int,
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'ip_dscp': int,
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'ip_ecn': int,
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'nw_proto': int,
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'ip_proto': int,
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'nw_src': to_match_ip,
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'nw_dst': to_match_ip,
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'ipv4_src': to_match_ip,
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'ipv4_dst': to_match_ip,
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'tp_src': int,
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'tp_dst': int,
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'tcp_src': int,
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'tcp_dst': int,
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'udp_src': int,
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'udp_dst': int,
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'sctp_src': int,
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'sctp_dst': int,
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'icmpv4_type': int,
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'icmpv4_code': int,
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'arp_op': int,
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'arp_spa': to_match_ip,
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'arp_tpa': to_match_ip,
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'arp_sha': to_match_eth,
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'arp_tha': to_match_eth,
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'ipv6_src': to_match_ip,
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'ipv6_dst': to_match_ip,
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'ipv6_flabel': int,
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'icmpv6_type': int,
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'icmpv6_code': int,
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'ipv6_nd_target': to_match_ip,
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'ipv6_nd_sll': to_match_eth,
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'ipv6_nd_tll': to_match_eth,
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'mpls_label': int,
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'mpls_tc': int,
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'mpls_bos': int,
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'pbb_isid': to_match_masked_int,
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'tunnel_id': to_match_masked_int,
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'ipv6_exthdr': to_match_masked_int}
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keys = {'dl_dst': 'eth_dst',
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'dl_src': 'eth_src',
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'dl_type': 'eth_type',
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'dl_vlan': 'vlan_vid',
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'nw_src': 'ipv4_src',
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'nw_dst': 'ipv4_dst',
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'nw_proto': 'ip_proto'}
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if attrs.get('dl_type') == ether.ETH_TYPE_ARP or \
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attrs.get('eth_type') == ether.ETH_TYPE_ARP:
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if 'nw_src' in attrs and 'arp_spa' not in attrs:
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attrs['arp_spa'] = attrs['nw_src']
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del attrs['nw_src']
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if 'nw_dst' in attrs and 'arp_tpa' not in attrs:
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attrs['arp_tpa'] = attrs['nw_dst']
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del attrs['nw_dst']
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kwargs = {}
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for key, value in attrs.items():
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if key in keys:
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# For old field name
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key = keys[key]
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if key in convert:
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value = convert[key](value)
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if key == 'tp_src' or key == 'tp_dst':
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# TCP/UDP port
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conv = {inet.IPPROTO_TCP: {'tp_src': 'tcp_src',
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'tp_dst': 'tcp_dst'},
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inet.IPPROTO_UDP: {'tp_src': 'udp_src',
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'tp_dst': 'udp_dst'}}
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ip_proto = attrs.get('nw_proto', attrs.get('ip_proto', 0))
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key = conv[ip_proto][key]
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kwargs[key] = value
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else:
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# others
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kwargs[key] = value
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else:
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LOG.error('Unknown match field: %s', key)
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return dp.ofproto_parser.OFPMatch(**kwargs)
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def to_match_eth(value):
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if '/' in value:
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value = value.split('/')
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return value[0], value[1]
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else:
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return value
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def to_match_ip(value):
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if '/' in value:
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(ip_addr, ip_mask) = value.split('/')
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if ip_mask.isdigit():
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ip = netaddr.ip.IPNetwork(value)
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ip_addr = str(ip.ip)
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ip_mask = str(ip.netmask)
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return ip_addr, ip_mask
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else:
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return value
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def to_match_vid(value):
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# NOTE: If "vlan_id/dl_vlan" field is described as decimal int value
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# (and decimal string value), it is treated as values of
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# VLAN tag, and OFPVID_PRESENT(0x1000) bit is automatically
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# applied. OTOH, If it is described as hexadecimal string,
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# treated as values of oxm_value (including OFPVID_PRESENT
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# bit), and OFPVID_PRESENT bit is NOT automatically applied.
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if isinstance(value, int):
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# described as decimal int value
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return value | ofproto_v1_3.OFPVID_PRESENT
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else:
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if '/' in value:
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val = value.split('/')
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return int(val[0], 0), int(val[1], 0)
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else:
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if value.isdigit():
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# described as decimal string value
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return int(value, 10) | ofproto_v1_3.OFPVID_PRESENT
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else:
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return int(value, 0)
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def to_match_masked_int(value):
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if isinstance(value, str) and '/' in value:
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value = value.split('/')
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return (ofctl_utils.str_to_int(value[0]),
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ofctl_utils.str_to_int(value[1]))
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else:
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return ofctl_utils.str_to_int(value)
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def match_to_str(ofmatch):
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keys = {'eth_src': 'dl_src',
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'eth_dst': 'dl_dst',
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'eth_type': 'dl_type',
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'vlan_vid': 'dl_vlan',
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'ipv4_src': 'nw_src',
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'ipv4_dst': 'nw_dst',
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'ip_proto': 'nw_proto',
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'tcp_src': 'tp_src',
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'tcp_dst': 'tp_dst',
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'udp_src': 'tp_src',
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'udp_dst': 'tp_dst'
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}
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match = {}
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ofmatch = ofmatch.to_jsondict()['OFPMatch']
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ofmatch = ofmatch['oxm_fields']
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for match_field in ofmatch:
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key = match_field['OXMTlv']['field']
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if key in keys:
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key = keys[key]
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mask = match_field['OXMTlv']['mask']
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value = match_field['OXMTlv']['value']
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if key == 'dl_vlan':
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value = match_vid_to_str(value, mask)
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elif key == 'in_port':
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value = UTIL.ofp_port_to_user(value)
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else:
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if mask is not None:
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value = str(value) + '/' + str(mask)
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match.setdefault(key, value)
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return match
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def match_vid_to_str(value, mask):
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if mask is not None:
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value = '0x%04x/0x%04x' % (value, mask)
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else:
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if value & ofproto_v1_3.OFPVID_PRESENT:
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value = str(value & ~ofproto_v1_3.OFPVID_PRESENT)
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else:
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value = '0x%04x' % value
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return value
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def send_stats_request(dp, stats, waiters, msgs):
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dp.set_xid(stats)
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waiters_per_dp = waiters.setdefault(dp.id, {})
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lock = hub.Event()
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previous_msg_len = len(msgs)
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waiters_per_dp[stats.xid] = (lock, msgs)
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dp.send_msg(stats)
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lock.wait(timeout=DEFAULT_TIMEOUT)
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current_msg_len = len(msgs)
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while current_msg_len > previous_msg_len:
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previous_msg_len = current_msg_len
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lock.wait(timeout=DEFAULT_TIMEOUT)
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current_msg_len = len(msgs)
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if not lock.is_set():
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del waiters_per_dp[stats.xid]
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def get_desc_stats(dp, waiters):
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stats = dp.ofproto_parser.OFPDescStatsRequest(dp, 0)
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msgs = []
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send_stats_request(dp, stats, waiters, msgs)
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s = {}
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for msg in msgs:
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stats = msg.body
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s = {'mfr_desc': stats.mfr_desc,
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'hw_desc': stats.hw_desc,
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'sw_desc': stats.sw_desc,
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'serial_num': stats.serial_num,
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'dp_desc': stats.dp_desc}
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desc = {str(dp.id): s}
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return desc
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def get_queue_stats(dp, waiters):
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ofp = dp.ofproto
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|
stats = dp.ofproto_parser.OFPQueueStatsRequest(dp, 0, ofp.OFPP_ANY,
|
|
ofp.OFPQ_ALL)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
s = []
|
|
for msg in msgs:
|
|
stats = msg.body
|
|
for stat in stats:
|
|
s.append({'duration_nsec': stat.duration_nsec,
|
|
'duration_sec': stat.duration_sec,
|
|
'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})
|
|
desc = {str(dp.id): s}
|
|
return desc
|
|
|
|
|
|
def get_queue_config(dp, port, waiters):
|
|
ofp = dp.ofproto
|
|
port = UTIL.ofp_port_from_user(port)
|
|
stats = dp.ofproto_parser.OFPQueueGetConfigRequest(dp, port)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
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)
|
|
configs = {str(dp.id): configs}
|
|
|
|
return 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))
|
|
flags = int(flow.get('flags', 0))
|
|
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 = int(flow.get('cookie', 0))
|
|
cookie_mask = int(flow.get('cookie_mask', 0))
|
|
match = to_match(dp, flow.get('match', {}))
|
|
|
|
stats = dp.ofproto_parser.OFPFlowStatsRequest(
|
|
dp, flags, table_id, out_port, out_group, cookie, cookie_mask,
|
|
match)
|
|
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
flows = []
|
|
for msg in msgs:
|
|
for stats in msg.body:
|
|
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,
|
|
'flags': stats.flags}
|
|
flows.append(s)
|
|
flows = {str(dp.id): flows}
|
|
|
|
return 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))
|
|
flags = int(flow.get('flags', 0))
|
|
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 = int(flow.get('cookie', 0))
|
|
cookie_mask = int(flow.get('cookie_mask', 0))
|
|
match = to_match(dp, flow.get('match', {}))
|
|
|
|
stats = dp.ofproto_parser.OFPAggregateStatsRequest(
|
|
dp, flags, table_id, out_port, out_group, cookie, cookie_mask,
|
|
match)
|
|
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
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)
|
|
flows = {str(dp.id): flows}
|
|
|
|
return flows
|
|
|
|
|
|
def get_table_stats(dp, waiters):
|
|
stats = dp.ofproto_parser.OFPTableStatsRequest(dp, 0)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
tables = []
|
|
for msg in msgs:
|
|
stats = msg.body
|
|
for stat in stats:
|
|
s = {'table_id': UTIL.ofp_table_to_user(stat.table_id),
|
|
'active_count': stat.active_count,
|
|
'lookup_count': stat.lookup_count,
|
|
'matched_count': stat.matched_count}
|
|
tables.append(s)
|
|
desc = {str(dp.id): tables}
|
|
|
|
return desc
|
|
|
|
|
|
def get_table_features(dp, waiters):
|
|
stats = dp.ofproto_parser.OFPTableFeaturesStatsRequest(dp, 0, [])
|
|
msgs = []
|
|
ofproto = dp.ofproto
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
prop_type = {ofproto.OFPTFPT_INSTRUCTIONS: 'INSTRUCTIONS',
|
|
ofproto.OFPTFPT_INSTRUCTIONS_MISS: 'INSTRUCTIONS_MISS',
|
|
ofproto.OFPTFPT_NEXT_TABLES: 'NEXT_TABLES',
|
|
ofproto.OFPTFPT_NEXT_TABLES_MISS: 'NEXT_TABLES_MISS',
|
|
ofproto.OFPTFPT_WRITE_ACTIONS: 'WRITE_ACTIONS',
|
|
ofproto.OFPTFPT_WRITE_ACTIONS_MISS: 'WRITE_ACTIONS_MISS',
|
|
ofproto.OFPTFPT_APPLY_ACTIONS: 'APPLY_ACTIONS',
|
|
ofproto.OFPTFPT_APPLY_ACTIONS_MISS: 'APPLY_ACTIONS_MISS',
|
|
ofproto.OFPTFPT_MATCH: 'MATCH',
|
|
ofproto.OFPTFPT_WILDCARDS: 'WILDCARDS',
|
|
ofproto.OFPTFPT_WRITE_SETFIELD: 'WRITE_SETFIELD',
|
|
ofproto.OFPTFPT_WRITE_SETFIELD_MISS: 'WRITE_SETFIELD_MISS',
|
|
ofproto.OFPTFPT_APPLY_SETFIELD: 'APPLY_SETFIELD',
|
|
ofproto.OFPTFPT_APPLY_SETFIELD_MISS: 'APPLY_SETFIELD_MISS',
|
|
ofproto.OFPTFPT_EXPERIMENTER: 'EXPERIMENTER',
|
|
ofproto.OFPTFPT_EXPERIMENTER_MISS: 'EXPERIMENTER_MISS'
|
|
}
|
|
|
|
p_type_instructions = [ofproto.OFPTFPT_INSTRUCTIONS,
|
|
ofproto.OFPTFPT_INSTRUCTIONS_MISS]
|
|
|
|
p_type_next_tables = [ofproto.OFPTFPT_NEXT_TABLES,
|
|
ofproto.OFPTFPT_NEXT_TABLES_MISS]
|
|
|
|
p_type_actions = [ofproto.OFPTFPT_WRITE_ACTIONS,
|
|
ofproto.OFPTFPT_WRITE_ACTIONS_MISS,
|
|
ofproto.OFPTFPT_APPLY_ACTIONS,
|
|
ofproto.OFPTFPT_APPLY_ACTIONS_MISS]
|
|
|
|
p_type_oxms = [ofproto.OFPTFPT_MATCH,
|
|
ofproto.OFPTFPT_WILDCARDS,
|
|
ofproto.OFPTFPT_WRITE_SETFIELD,
|
|
ofproto.OFPTFPT_WRITE_SETFIELD_MISS,
|
|
ofproto.OFPTFPT_APPLY_SETFIELD,
|
|
ofproto.OFPTFPT_APPLY_SETFIELD_MISS]
|
|
|
|
p_type_experimenter = [ofproto.OFPTFPT_EXPERIMENTER,
|
|
ofproto.OFPTFPT_EXPERIMENTER_MISS]
|
|
|
|
tables = []
|
|
for msg in msgs:
|
|
stats = msg.body
|
|
for stat in stats:
|
|
properties = []
|
|
for prop in stat.properties:
|
|
p = {'type': prop_type.get(prop.type, 'UNKNOWN')}
|
|
if prop.type in p_type_instructions:
|
|
instruction_ids = []
|
|
for id in prop.instruction_ids:
|
|
i = {'len': id.len,
|
|
'type': id.type}
|
|
instruction_ids.append(i)
|
|
p['instruction_ids'] = instruction_ids
|
|
elif prop.type in p_type_next_tables:
|
|
table_ids = []
|
|
for id in prop.table_ids:
|
|
table_ids.append(id)
|
|
p['table_ids'] = table_ids
|
|
elif prop.type in p_type_actions:
|
|
action_ids = []
|
|
for id in prop.action_ids:
|
|
i = {'len': id.len,
|
|
'type': id.type}
|
|
action_ids.append(i)
|
|
p['action_ids'] = action_ids
|
|
elif prop.type in p_type_oxms:
|
|
oxm_ids = []
|
|
for id in prop.oxm_ids:
|
|
i = {'hasmask': id.hasmask,
|
|
'length': id.length,
|
|
'type': id.type}
|
|
oxm_ids.append(i)
|
|
p['oxm_ids'] = oxm_ids
|
|
elif prop.type in p_type_experimenter:
|
|
pass
|
|
properties.append(p)
|
|
s = {'table_id': UTIL.ofp_table_to_user(stat.table_id),
|
|
'name': stat.name.decode('utf-8'),
|
|
'metadata_match': stat.metadata_match,
|
|
'metadata_write': stat.metadata_write,
|
|
'config': stat.config,
|
|
'max_entries': stat.max_entries,
|
|
'properties': properties,
|
|
}
|
|
tables.append(s)
|
|
desc = {str(dp.id): tables}
|
|
|
|
return desc
|
|
|
|
|
|
def get_port_stats(dp, waiters):
|
|
stats = dp.ofproto_parser.OFPPortStatsRequest(
|
|
dp, 0, dp.ofproto.OFPP_ANY)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
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,
|
|
'duration_sec': stats.duration_sec,
|
|
'duration_nsec': stats.duration_nsec}
|
|
ports.append(s)
|
|
ports = {str(dp.id): ports}
|
|
return ports
|
|
|
|
|
|
def get_meter_stats(dp, waiters):
|
|
stats = dp.ofproto_parser.OFPMeterStatsRequest(
|
|
dp, 0, dp.ofproto.OFPM_ALL)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
meters = []
|
|
for msg in msgs:
|
|
for stats in msg.body:
|
|
bands = []
|
|
for band in stats.band_stats:
|
|
b = {'packet_band_count': band.packet_band_count,
|
|
'byte_band_count': band.byte_band_count}
|
|
bands.append(b)
|
|
s = {'meter_id': UTIL.ofp_meter_to_user(stats.meter_id),
|
|
'len': stats.len,
|
|
'flow_count': stats.flow_count,
|
|
'packet_in_count': stats.packet_in_count,
|
|
'byte_in_count': stats.byte_in_count,
|
|
'duration_sec': stats.duration_sec,
|
|
'duration_nsec': stats.duration_nsec,
|
|
'band_stats': bands}
|
|
meters.append(s)
|
|
meters = {str(dp.id): meters}
|
|
return meters
|
|
|
|
|
|
def get_meter_features(dp, waiters):
|
|
|
|
ofp = dp.ofproto
|
|
type_convert = {ofp.OFPMBT_DROP: 'DROP',
|
|
ofp.OFPMBT_DSCP_REMARK: 'DSCP_REMARK'}
|
|
|
|
capa_convert = {ofp.OFPMF_KBPS: 'KBPS',
|
|
ofp.OFPMF_PKTPS: 'PKTPS',
|
|
ofp.OFPMF_BURST: 'BURST',
|
|
ofp.OFPMF_STATS: 'STATS'}
|
|
|
|
stats = dp.ofproto_parser.OFPMeterFeaturesStatsRequest(dp, 0)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
features = []
|
|
for msg in msgs:
|
|
for feature in msg.body:
|
|
band_types = []
|
|
for k, v in type_convert.items():
|
|
if (1 << k) & feature.band_types:
|
|
band_types.append(v)
|
|
capabilities = []
|
|
for k, v in sorted(capa_convert.items()):
|
|
if k & feature.capabilities:
|
|
capabilities.append(v)
|
|
f = {'max_meter': feature.max_meter,
|
|
'band_types': band_types,
|
|
'capabilities': capabilities,
|
|
'max_bands': feature.max_bands,
|
|
'max_color': feature.max_color}
|
|
features.append(f)
|
|
features = {str(dp.id): features}
|
|
return features
|
|
|
|
|
|
def get_meter_config(dp, waiters):
|
|
flags = {dp.ofproto.OFPMF_KBPS: 'KBPS',
|
|
dp.ofproto.OFPMF_PKTPS: 'PKTPS',
|
|
dp.ofproto.OFPMF_BURST: 'BURST',
|
|
dp.ofproto.OFPMF_STATS: 'STATS'}
|
|
|
|
band_type = {dp.ofproto.OFPMBT_DROP: 'DROP',
|
|
dp.ofproto.OFPMBT_DSCP_REMARK: 'DSCP_REMARK',
|
|
dp.ofproto.OFPMBT_EXPERIMENTER: 'EXPERIMENTER'}
|
|
|
|
stats = dp.ofproto_parser.OFPMeterConfigStatsRequest(
|
|
dp, 0, dp.ofproto.OFPM_ALL)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
configs = []
|
|
for msg in msgs:
|
|
for config in msg.body:
|
|
bands = []
|
|
for band in config.bands:
|
|
b = {'type': band_type.get(band.type, ''),
|
|
'rate': band.rate,
|
|
'burst_size': band.burst_size}
|
|
if band.type == dp.ofproto.OFPMBT_DSCP_REMARK:
|
|
b['prec_level'] = band.prec_level
|
|
elif band.type == dp.ofproto.OFPMBT_EXPERIMENTER:
|
|
b['experimenter'] = band.experimenter
|
|
bands.append(b)
|
|
c_flags = []
|
|
for k, v in sorted(flags.items()):
|
|
if k & config.flags:
|
|
c_flags.append(v)
|
|
c = {'flags': c_flags,
|
|
'meter_id': UTIL.ofp_meter_to_user(config.meter_id),
|
|
'bands': bands}
|
|
configs.append(c)
|
|
configs = {str(dp.id): configs}
|
|
return configs
|
|
|
|
|
|
def get_group_stats(dp, waiters):
|
|
stats = dp.ofproto_parser.OFPGroupStatsRequest(
|
|
dp, 0, dp.ofproto.OFPG_ALL)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
groups = []
|
|
for msg in msgs:
|
|
for stats in msg.body:
|
|
bucket_stats = []
|
|
for bucket_stat in stats.bucket_stats:
|
|
c = {'packet_count': bucket_stat.packet_count,
|
|
'byte_count': bucket_stat.byte_count}
|
|
bucket_stats.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,
|
|
'duration_sec': stats.duration_sec,
|
|
'duration_nsec': stats.duration_nsec,
|
|
'bucket_stats': bucket_stats}
|
|
groups.append(g)
|
|
groups = {str(dp.id): groups}
|
|
return 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',
|
|
ofp.OFPAT_PUSH_PBB: 'PUSH_PBB',
|
|
ofp.OFPAT_POP_PBB: 'POP_PBB'}
|
|
|
|
stats = dp.ofproto_parser.OFPGroupFeaturesStatsRequest(dp, 0)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
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)
|
|
features = {str(dp.id): features}
|
|
return 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 = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
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)
|
|
descs = {str(dp.id): descs}
|
|
return descs
|
|
|
|
|
|
def get_port_desc(dp, waiters):
|
|
|
|
stats = dp.ofproto_parser.OFPPortDescStatsRequest(dp, 0)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
descs = []
|
|
|
|
for msg in msgs:
|
|
stats = msg.body
|
|
for stat in stats:
|
|
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)
|
|
descs = {str(dp.id): descs}
|
|
return descs
|
|
|
|
|
|
def mod_flow_entry(dp, flow, cmd):
|
|
cookie = int(flow.get('cookie', 0))
|
|
cookie_mask = int(flow.get('cookie_mask', 0))
|
|
table_id = UTIL.ofp_table_from_user(flow.get('table_id', 0))
|
|
idle_timeout = int(flow.get('idle_timeout', 0))
|
|
hard_timeout = int(flow.get('hard_timeout', 0))
|
|
priority = 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 = 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)
|
|
|
|
dp.send_msg(flow_mod)
|
|
|
|
|
|
def mod_meter_entry(dp, meter, cmd):
|
|
|
|
flags_convert = {'KBPS': dp.ofproto.OFPMF_KBPS,
|
|
'PKTPS': dp.ofproto.OFPMF_PKTPS,
|
|
'BURST': dp.ofproto.OFPMF_BURST,
|
|
'STATS': dp.ofproto.OFPMF_STATS}
|
|
|
|
flags = 0
|
|
if 'flags' in meter:
|
|
meter_flags = meter['flags']
|
|
if not isinstance(meter_flags, list):
|
|
meter_flags = [meter_flags]
|
|
for flag in meter_flags:
|
|
if flag not in flags_convert:
|
|
LOG.error('Unknown meter flag: %s', flag)
|
|
continue
|
|
flags |= flags_convert.get(flag)
|
|
|
|
meter_id = UTIL.ofp_meter_from_user(meter.get('meter_id', 0))
|
|
|
|
bands = []
|
|
for band in meter.get('bands', []):
|
|
band_type = band.get('type')
|
|
rate = int(band.get('rate', 0))
|
|
burst_size = int(band.get('burst_size', 0))
|
|
if band_type == 'DROP':
|
|
bands.append(
|
|
dp.ofproto_parser.OFPMeterBandDrop(rate, burst_size))
|
|
elif band_type == 'DSCP_REMARK':
|
|
prec_level = int(band.get('prec_level', 0))
|
|
bands.append(
|
|
dp.ofproto_parser.OFPMeterBandDscpRemark(
|
|
rate, burst_size, prec_level))
|
|
elif band_type == 'EXPERIMENTER':
|
|
experimenter = int(band.get('experimenter', 0))
|
|
bands.append(
|
|
dp.ofproto_parser.OFPMeterBandExperimenter(
|
|
rate, burst_size, experimenter))
|
|
else:
|
|
LOG.error('Unknown band type: %s', band_type)
|
|
|
|
meter_mod = dp.ofproto_parser.OFPMeterMod(
|
|
dp, cmd, flags, meter_id, bands)
|
|
|
|
dp.send_msg(meter_mod)
|
|
|
|
|
|
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 = int(bucket.get('weight', 0))
|
|
watch_port = int(bucket.get('watch_port', dp.ofproto.OFPP_ANY))
|
|
watch_group = 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)
|
|
|
|
dp.send_msg(group_mod)
|
|
|
|
|
|
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 = int(port_config.get('config', 0))
|
|
mask = int(port_config.get('mask', 0))
|
|
advertise = int(port_config.get('advertise'))
|
|
|
|
port_mod = dp.ofproto_parser.OFPPortMod(
|
|
dp, port_no, hw_addr, config, mask, advertise)
|
|
|
|
dp.send_msg(port_mod)
|
|
|
|
|
|
def send_experimenter(dp, exp):
|
|
experimenter = exp.get('experimenter', 0)
|
|
exp_type = exp.get('exp_type', 0)
|
|
data_type = exp.get('data_type', 'ascii')
|
|
if data_type != 'ascii' and data_type != 'base64':
|
|
LOG.error('Unknown data type: %s', data_type)
|
|
data = exp.get('data', '')
|
|
if data_type == 'base64':
|
|
data = base64.b64decode(data)
|
|
|
|
expmsg = dp.ofproto_parser.OFPExperimenter(
|
|
dp, experimenter, exp_type, data)
|
|
|
|
dp.send_msg(expmsg)
|