3423b2a20d
Signed-off-by: Wei-Li Tang <alextwl@xinguard.com> Reviewed-by: WATANABE Fumitaka <watanabe.fumitaka1@gmail.com> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
873 lines
30 KiB
Python
873 lines
30 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 struct
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import socket
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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 mac
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LOG = logging.getLogger('ryu.lib.ofctl_v1_3')
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DEFAULT_TIMEOUT = 1.0
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def str_to_int(src):
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if isinstance(src, str):
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if src.startswith("0x") or src.startswith("0X"):
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dst = int(src, 16)
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else:
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dst = int(src)
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else:
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dst = src
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return dst
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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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result = None
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action_type = dic.get('type')
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if action_type == 'OUTPUT':
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out_port = int(dic.get('port', ofp.OFPP_ANY))
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max_len = int(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 = int(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 = int(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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if field == 'eth_dst':
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field = ofp.OXM_OF_ETH_DST
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value = mac.haddr_to_bin(str(value))
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elif field == 'eth_src':
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field = ofp.OXM_OF_ETH_SRC
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value = mac.haddr_to_bin(str(value))
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elif field == 'vlan_vid':
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field = ofp.OXM_OF_VLAN_VID
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value = int(value)
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elif field == 'mpls_label':
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field = ofp.OXM_OF_MPLS_LABEL
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value = int(value)
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else:
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LOG.debug('Unknown field: %s' % field)
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return None
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f = parser.OFPMatchField.make(field, value)
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result = parser.OFPActionSetField(f)
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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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LOG.debug('Unknown action type: %s' % action_type)
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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 == 'GOTO_TABLE':
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table_id = int(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 = str_to_int(a.get('metadata'))
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metadata_mask = (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 = int(a.get('meter_id'))
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inst.append(parser.OFPInstructionMeter(meter_id))
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else:
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LOG.debug('Unknown action type: %s' % action_type)
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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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buf = 'OUTPUT:' + str(act.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'
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elif action_type == ofproto_v1_3.OFPAT_SET_QUEUE:
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buf = 'SET_QUEUE:' + str(act.queue_id)
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elif action_type == ofproto_v1_3.OFPAT_GROUP:
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buf = 'GROUP:' + str(act.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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if isinstance(act.field, ofproto_v1_3_parser.MTEthDst):
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field = 'eth_dst'
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elif isinstance(act.field, ofproto_v1_3_parser.MTEthSrc):
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field = 'eth_src'
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elif isinstance(act.field, ofproto_v1_3_parser.MTVlanVid):
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field = 'vlan_vid'
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elif isinstance(act.field, ofproto_v1_3_parser.MTMplsLabel):
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field = 'mpls_label'
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else:
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field = '(Unknown field)'
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buf = 'SET_FIELD: {%s:%s}' % (field, 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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for a in instruction.actions:
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actions.append(action_to_str(a))
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elif isinstance(instruction,
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ofproto_v1_3_parser.OFPInstructionGotoTable):
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buf = 'GOTO_TABLE:' + str(instruction.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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buf = 'METER:' + str(instruction.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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match = dp.ofproto_parser.OFPMatch()
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convert = {'in_port': int,
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'dl_src': mac.haddr_to_bin,
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'dl_dst': mac.haddr_to_bin,
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'dl_type': int,
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'dl_vlan': int,
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'nw_src': to_match_ip,
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'nw_dst': to_match_ip,
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'nw_proto': int,
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'tp_src': int,
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'tp_dst': int,
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'mpls_label': int,
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'metadata': to_match_metadata,
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'eth_src': mac.haddr_to_bin,
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'eth_dst': mac.haddr_to_bin,
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'eth_type': int,
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'vlan_vid': int,
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'ipv4_src': to_match_ip,
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'ipv4_dst': to_match_ip,
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'ip_proto': 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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'arp_spa': to_match_ip,
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'arp_tpa': to_match_ip,
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'ipv6_src': to_match_ipv6,
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'ipv6_dst': to_match_ipv6}
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match_append = {'in_port': match.set_in_port,
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'dl_src': match.set_dl_src,
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'dl_dst': match.set_dl_dst,
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'dl_type': match.set_dl_type,
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'dl_vlan': match.set_vlan_vid,
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'nw_src': match.set_ipv4_src_masked,
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'nw_dst': match.set_ipv4_dst_masked,
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'nw_proto': match.set_ip_proto,
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'tp_src': to_match_tpsrc,
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'tp_dst': to_match_tpdst,
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'mpls_label': match.set_mpls_label,
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'metadata': match.set_metadata_masked,
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'eth_src': match.set_dl_src,
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'eth_dst': match.set_dl_dst,
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'eth_type': match.set_dl_type,
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'vlan_vid': match.set_vlan_vid,
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'ipv4_src': match.set_ipv4_src_masked,
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'ipv4_dst': match.set_ipv4_dst_masked,
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'ip_proto': match.set_ip_proto,
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'tcp_src': to_match_tpsrc,
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'tcp_dst': to_match_tpdst,
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'udp_src': to_match_tpsrc,
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'udp_dst': to_match_tpdst,
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'arp_spa': match.set_arp_spa_masked,
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'arp_tpa': match.set_arp_tpa_masked,
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'ipv6_src': match.set_ipv6_src_masked,
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'ipv6_dst': match.set_ipv6_dst_masked}
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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 not 'arp_spa' 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 not 'arp_tpa' in attrs:
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attrs['arp_tpa'] = attrs['nw_dst']
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del attrs['nw_dst']
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for key, value in attrs.items():
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if key in convert:
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value = convert[key](value)
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if key in match_append:
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if key == 'nw_src' or key == 'nw_dst' or \
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key == 'ipv4_src' or key == 'ipv4_dst' or \
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key == 'arp_spa' or key == 'arp_tpa' or \
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key == 'ipv6_src' or key == 'ipv6_dst':
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# IP address
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ip = value[0]
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mask = value[1]
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match_append[key](ip, mask)
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elif key == 'tp_src' or key == 'tp_dst' or \
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key == 'tcp_src' or key == 'tcp_dst' or \
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key == 'udp_src' or key == 'udp_dst':
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# tp_src/dst
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match_append[key](value, match, attrs)
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elif key == 'metadata':
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# metadata
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metadata = value[0]
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metadata_mask = value[1]
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match_append[key](metadata, metadata_mask)
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else:
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# others
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match_append[key](value)
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return match
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def to_match_tpsrc(value, match, rest):
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match_append = {inet.IPPROTO_TCP: match.set_tcp_src,
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inet.IPPROTO_UDP: match.set_udp_src}
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nw_proto = rest.get('nw_proto', rest.get('ip_proto', 0))
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if nw_proto in match_append:
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match_append[nw_proto](value)
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return match
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def to_match_tpdst(value, match, rest):
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match_append = {inet.IPPROTO_TCP: match.set_tcp_dst,
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inet.IPPROTO_UDP: match.set_udp_dst}
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nw_proto = rest.get('nw_proto', rest.get('ip_proto', 0))
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if nw_proto in match_append:
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match_append[nw_proto](value)
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return match
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def to_match_ip(value):
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ip_mask = value.split('/')
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# ip
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ipv4 = struct.unpack('!I', socket.inet_aton(ip_mask[0]))[0]
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# netmask
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mask = 32
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if len(ip_mask) == 2:
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mask = int(ip_mask[1])
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netmask = ofproto_v1_3_parser.UINT32_MAX << 32 - mask\
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& ofproto_v1_3_parser.UINT32_MAX
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return ipv4, netmask
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def to_match_ipv6(value):
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ip = netaddr.IPNetwork(value)
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return ip.ip.words, ip.netmask.words
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def to_match_metadata(value):
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if '/' in value:
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metadata = value.split('/')
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return str_to_int(metadata[0]), str_to_int(metadata[1])
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else:
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return str_to_int(value), ofproto_v1_3_parser.UINT64_MAX
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def match_to_str(ofmatch):
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keys = {ofproto_v1_3.OXM_OF_IN_PORT: 'in_port',
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ofproto_v1_3.OXM_OF_ETH_SRC: 'dl_src',
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ofproto_v1_3.OXM_OF_ETH_DST: 'dl_dst',
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ofproto_v1_3.OXM_OF_ETH_TYPE: 'dl_type',
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ofproto_v1_3.OXM_OF_VLAN_VID: 'dl_vlan',
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ofproto_v1_3.OXM_OF_IPV4_SRC: 'nw_src',
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ofproto_v1_3.OXM_OF_IPV4_DST: 'nw_dst',
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ofproto_v1_3.OXM_OF_IPV4_SRC_W: 'nw_src',
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ofproto_v1_3.OXM_OF_IPV4_DST_W: 'nw_dst',
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ofproto_v1_3.OXM_OF_IP_PROTO: 'nw_proto',
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ofproto_v1_3.OXM_OF_TCP_SRC: 'tp_src',
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ofproto_v1_3.OXM_OF_TCP_DST: 'tp_dst',
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ofproto_v1_3.OXM_OF_UDP_SRC: 'tp_src',
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ofproto_v1_3.OXM_OF_UDP_DST: 'tp_dst',
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ofproto_v1_3.OXM_OF_MPLS_LABEL: 'mpls_label',
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ofproto_v1_3.OXM_OF_METADATA: 'metadata',
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ofproto_v1_3.OXM_OF_METADATA_W: 'metadata',
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ofproto_v1_3.OXM_OF_ARP_SPA: 'arp_spa',
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ofproto_v1_3.OXM_OF_ARP_TPA: 'arp_tpa',
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ofproto_v1_3.OXM_OF_ARP_SPA_W: 'arp_spa',
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ofproto_v1_3.OXM_OF_ARP_TPA_W: 'arp_tpa',
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ofproto_v1_3.OXM_OF_IPV6_SRC: 'ipv6_src',
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ofproto_v1_3.OXM_OF_IPV6_DST: 'ipv6_dst',
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ofproto_v1_3.OXM_OF_IPV6_SRC_W: 'ipv6_src',
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ofproto_v1_3.OXM_OF_IPV6_DST_W: 'ipv6_dst'}
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match = {}
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for match_field in ofmatch.fields:
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key = keys[match_field.header]
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if key == 'dl_src' or key == 'dl_dst':
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value = mac.haddr_to_str(match_field.value)
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elif key == 'nw_src' or key == 'nw_dst' or \
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key == 'arp_spa' or key == 'arp_tpa':
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value = match_ip_to_str(match_field.value, match_field.mask)
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elif key == 'ipv6_src' or key == 'ipv6_dst':
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value = match_ipv6_to_str(match_field.value, match_field.mask)
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elif key == 'metadata':
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value = ('%d/%d' % (match_field.value, match_field.mask)
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if match_field.mask else '%d' % match_field.value)
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else:
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value = match_field.value
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match.setdefault(key, value)
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return match
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def match_ip_to_str(value, mask):
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ip = socket.inet_ntoa(struct.pack('!I', value))
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if mask is not None and mask != 0:
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binary_str = bin(mask)[2:].zfill(8)
|
|
netmask = '/%d' % len(binary_str.rstrip('0'))
|
|
else:
|
|
netmask = ''
|
|
|
|
return ip + netmask
|
|
|
|
|
|
def match_ipv6_to_str(value, mask):
|
|
ip_list = []
|
|
for word in value:
|
|
ip_list.append('%04x' % word)
|
|
ip = netaddr.IPNetwork(':'.join(ip_list))
|
|
|
|
netmask = 128
|
|
if mask is not None:
|
|
mask_list = []
|
|
for word in mask:
|
|
mask_list.append('%04x' % word)
|
|
mask_v = netaddr.IPNetwork(':'.join(mask_list))
|
|
netmask = len(mask_v.ip.bits().replace(':', '').rstrip('0'))
|
|
|
|
if netmask == 128:
|
|
ip_str = str(ip.ip)
|
|
else:
|
|
ip.prefixlen = netmask
|
|
ip_str = str(ip)
|
|
|
|
return ip_str
|
|
|
|
|
|
def send_stats_request(dp, stats, waiters, msgs):
|
|
dp.set_xid(stats)
|
|
waiters_per_dp = waiters.setdefault(dp.id, {})
|
|
lock = hub.Event()
|
|
waiters_per_dp[stats.xid] = (lock, msgs)
|
|
dp.send_msg(stats)
|
|
|
|
try:
|
|
lock.wait(timeout=DEFAULT_TIMEOUT)
|
|
except hub.Timeout:
|
|
del waiters_per_dp[stats.xid]
|
|
|
|
|
|
def get_desc_stats(dp, waiters):
|
|
stats = dp.ofproto_parser.OFPDescStatsRequest(dp, 0)
|
|
msgs = []
|
|
send_stats_request(dp, stats, waiters, msgs)
|
|
|
|
for msg in msgs:
|
|
stats = msg.body
|
|
s = {'mfr_desc': stats.mfr_desc,
|
|
'hw_desc': stats.hw_desc,
|
|
'sw_desc': stats.sw_desc,
|
|
'serial_num': stats.serial_num,
|
|
'dp_desc': stats.dp_desc}
|
|
desc = {str(dp.id): s}
|
|
return desc
|
|
|
|
|
|
def get_flow_stats(dp, waiters):
|
|
table_id = 0
|
|
flags = 0
|
|
out_port = dp.ofproto.OFPP_ANY
|
|
out_group = dp.ofproto.OFPG_ANY
|
|
cookie = 0
|
|
cookie_mask = 0
|
|
match = dp.ofproto_parser.OFPMatch()
|
|
|
|
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': stats.table_id}
|
|
flows.append(s)
|
|
flows = {str(dp.id): flows}
|
|
|
|
return flows
|
|
|
|
|
|
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': 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)
|
|
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': 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,
|
|
'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'}
|
|
|
|
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)
|
|
f = {'max_meter': feature.max_meter,
|
|
'band_types': band_types,
|
|
'max_band': feature.max_band,
|
|
'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: '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': flags.get(config.flags, 0),
|
|
'meter_id': 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 = {'group_id': 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_CHCEKS'}
|
|
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': stats.group_id,
|
|
'buckets': buckets}
|
|
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 = int(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 = int(flow.get('buffer_id', dp.ofproto.OFP_NO_BUFFER))
|
|
out_port = int(flow.get('out_port', dp.ofproto.OFPP_ANY))
|
|
out_group = int(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, flow, cmd):
|
|
|
|
flags_convert = {'KBPS': dp.ofproto.OFPMF_KBPS,
|
|
'PKTPS': dp.ofproto.OFPMF_PKTPS,
|
|
'BURST': dp.ofproto.OFPMF_BURST,
|
|
'STATS': dp.ofproto.OFPMF_STATS}
|
|
|
|
flags = flags_convert.get(flow.get('flags'))
|
|
if not flags:
|
|
LOG.debug('Unknown flags: %s', flow.get('flags'))
|
|
|
|
meter_id = int(flow.get('meter_id', 0))
|
|
|
|
bands = []
|
|
for band in flow.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 == '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.debug('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'))
|
|
if not type_:
|
|
LOG.debug('Unknown type: %s', group.get('type'))
|
|
|
|
group_id = int(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 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.debug('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)
|