1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.hc2vpp.acl.util.ace.extractor;
import io.fd.hc2vpp.common.translate.util.MacTranslator;
import io.fd.vpp.jvpp.acl.types.MacipAclRule;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.Ace;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.Matches;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.PacketHandling;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.packet.handling.Deny;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.ace.actions.packet.handling.Permit;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.VppMacipAceEthHeaderFields;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.VppMacipAceIpv4HeaderFields;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.VppMacipAceIpv6HeaderFields;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.access.lists.acl.access.list.entries.ace.matches.ace.type.VppMacipAce;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.access.lists.acl.access.list.entries.ace.matches.ace.type.vpp.macip.ace.VppMacipAceNodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.access.lists.acl.access.list.entries.ace.matches.ace.type.vpp.macip.ace.vpp.macip.ace.nodes.AceIpVersion;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.access.lists.acl.access.list.entries.ace.matches.ace.type.vpp.macip.ace.vpp.macip.ace.nodes.ace.ip.version.AceIpv4Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.access.lists.acl.access.list.entries.ace.matches.ace.type.vpp.macip.ace.vpp.macip.ace.nodes.ace.ip.version.AceIpv6;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev170615.access.lists.acl.access.list.entries.ace.matches.ace.type.vpp.macip.ace.vpp.macip.ace.nodes.ace.ip.version.AceIpv6Builder;
public interface MacIpAceDataExtractor extends AddressExtractor, MacTranslator {
default VppMacipAce fromMacIpAce(@Nonnull final Ace ace) {
return Optional.ofNullable(ace.getMatches())
.map(Matches::getAceType)
.map(VppMacipAce.class::cast)
.orElseThrow(
() -> new IllegalArgumentException(String.format("Unable to create VppMacipAce from %s", ace)));
}
default boolean macIpIsIpv6(@Nonnull final VppMacipAce ace) {
return Optional.ofNullable(ace.getVppMacipAceNodes())
.map(VppMacipAceNodes::getAceIpVersion)
.map(aceIpVersion -> aceIpVersion instanceof AceIpv6)
.orElse(false);
}
default byte[] sourceMacAsBytes(@Nonnull final VppMacipAce ace) {
return macToByteArray(Optional.ofNullable(ace.getVppMacipAceNodes())
.map(VppMacipAceEthHeaderFields::getSourceMacAddress)
.map(MacAddress::getValue)
.orElse(Impl.DEFAULT_MAC));
}
default byte[] sourceMacMaskAsBytes(@Nonnull final VppMacipAce ace) {
return macToByteArray(Optional.ofNullable(ace.getVppMacipAceNodes())
.map(VppMacipAceEthHeaderFields::getSourceMacAddressMask)
.map(MacAddress::getValue)
.orElse(Impl.DEFAULT_MAC_MASK));
}
default byte[] ipv4Address(@Nonnull final VppMacipAce ace) {
return extractIp4Address(extractV4NetworkAddressOrNull(ace));
}
default byte ipv4AddressPrefix(@Nonnull final VppMacipAce ace) {
return extractIp4AddressPrefix(extractV4NetworkAddressOrNull(ace));
}
static Ipv4Prefix extractV4NetworkAddressOrNull(final @Nonnull VppMacipAce ace) {
return Optional.ofNullable(ace.getVppMacipAceNodes())
.map(VppMacipAceNodes::getAceIpVersion)
.map(VppMacipAceIpv4HeaderFields.class::cast)
.map(VppMacipAceIpv4HeaderFields::getSourceIpv4Network)
.orElse(null);
}
default byte[] ipv6Address(@Nonnull final VppMacipAce ace) {
return extractIp6Address(extractV6NetworkAddressOrNull(ace));
}
default byte ipv6AddressPrefix(@Nonnull final VppMacipAce ace) {
return extractIp6AddressPrefix(extractV6NetworkAddressOrNull(ace));
}
default Ipv6Prefix extractV6NetworkAddressOrNull(@Nonnull final VppMacipAce ace) {
return Optional.ofNullable(ace.getVppMacipAceNodes())
.map(VppMacipAceNodes::getAceIpVersion)
.map(VppMacipAceIpv6HeaderFields.class::cast)
.map(VppMacipAceIpv6HeaderFields::getSourceIpv6Network)
.orElse(null);
}
/**
* Only 0 and 1 are allowed for mac-ip
*/
default byte macIpAction(@Nonnull final Ace ace) {
// action choice itself has default, but nothing stops us from not defining actions container itself
final PacketHandling action = Optional.ofNullable(ace.getActions()).orElseThrow(
() -> new IllegalArgumentException(String.format("Unable to extract Action from %s", ace)))
.getPacketHandling();
if (action instanceof Permit) {
return 1;
} else if (action instanceof Deny) {
return 0;
} else {
throw new IllegalArgumentException(
String.format("Unsupported packet-handling action %s for ACE %s", action, ace));
}
}
default AceIpVersion ipVersion(@Nonnull final MacipAclRule rule) {
if (rule.isIpv6 == 0) {
return ip4Ace(rule);
} else {
return ip6Ace(rule);
}
}
default AceIpVersion ip4Ace(@Nonnull final MacipAclRule rule) {
final AceIpv4Builder ipVersion = new AceIpv4Builder();
if (rule.srcIpAddr != null && rule.srcIpAddr.length != 0) {
ipVersion.setSourceIpv4Network(toIpv4Prefix(truncateIp4Array(rule.srcIpAddr), rule.srcIpPrefixLen));
}
return ipVersion.build();
}
default AceIpVersion ip6Ace(@Nonnull final MacipAclRule rule) {
final AceIpv6Builder ipVersion = new AceIpv6Builder();
if (rule.srcIpAddr != null && rule.srcIpAddr.length != 0) {
ipVersion.setSourceIpv6Network(toIpv6Prefix(rule.srcIpAddr, rule.srcIpPrefixLen));
}
return ipVersion.build();
}
default MacAddress sourceMac(@Nonnull final MacipAclRule rule) {
return new MacAddress(byteArrayToMacSeparated(rule.srcMac != null
? rule.srcMac
: Impl.DEFAULT_MAC_BYTES));
}
default MacAddress sourceMacMask(@Nonnull final MacipAclRule rule) {
return new MacAddress(byteArrayToMacSeparated(rule.srcMacMask != null
? rule.srcMacMask
: Impl.DEFAULT_MAC_MASK_BYTES));
}
final class Impl {
private static final String DEFAULT_MAC = "00:00:00:00:00:00";
private static final String DEFAULT_MAC_MASK = "00:00:00:00:00:00";
private static final byte[] DEFAULT_MAC_BYTES = {0, 0, 0, 0, 0, 0};
private static final byte[] DEFAULT_MAC_MASK_BYTES = {0, 0, 0, 0, 0, 0};
}
}
|
