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authorJan Srnicek <jsrnicek@cisco.com>2017-03-03 09:21:00 +0100
committerJan Srnicek <jsrnicek@cisco.com>2017-03-03 09:21:00 +0100
commit9453a0f3c2f6c04a6f67988fa6617a7918e4bbc7 (patch)
tree8b986132e8912676ba132f82b1e117a3236d1e36 /v3po/v3po2vpp/src/main
parentaa2919c2bd6dcad22212a1bd123988e09daf1e38 (diff)
HC2VPP-78 - subnet validation fix
Validation removed, more descriptive expcetion handling to be added after VPP-649 Change-Id: I6e0a84b2dc3f3c9d3d943874baa508636a1df808 Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
Diffstat (limited to 'v3po/v3po2vpp/src/main')
-rw-r--r--v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/Ipv4SubnetValidator.java80
-rw-r--r--v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java50
-rw-r--r--v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java30
3 files changed, 3 insertions, 157 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/Ipv4SubnetValidator.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/Ipv4SubnetValidator.java
deleted file mode 100644
index 28cd70440..000000000
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/Ipv4SubnetValidator.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * 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.v3po.interfaces.ip.subnet.validation;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.google.common.base.Function;
-import com.google.common.collect.Multimap;
-import com.google.common.collect.Multimaps;
-import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
-import java.util.List;
-import javax.annotation.Nonnull;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.Subnet;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.Netmask;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.PrefixLength;
-
-/**
- * Validator for detecting if there is an attempt to assign multiple addresses from same subnet
- */
-public class Ipv4SubnetValidator implements IpWriter {
-
- /**
- * Checks whether data provided for writing are not in collision with already existing data
- */
- public void checkNotAddingToSameSubnet(@Nonnull final List<Address> addresses)
- throws SubnetValidationException {
-
- final Multimap<Short, Address> prefixLengthRegister = Multimaps.index(addresses, toPrefixLength());
- final int keySetSize = prefixLengthRegister.keySet().size();
-
- if (keySetSize == 0 || keySetSize == addresses.size()) {
- //this means that every key is unique(has only one value) or no addresses were prefix-length based ,so there is no conflict
- return;
- }
-
- //finds conflicting prefix
- final Short conflictingPrefix = prefixLengthRegister.keySet()
- .stream()
- .filter(a -> prefixLengthRegister.get(a).size() > 1)
- .findFirst()
- .get();
-
- //and reports it with affected addresses
- throw SubnetValidationException
- .forConflictingData(conflictingPrefix, prefixLengthRegister.get(conflictingPrefix));
- }
-
- private Function<Address, Short> toPrefixLength() {
- return (final Address address) -> {
- final Subnet subnet = address.getSubnet();
-
- if (subnet instanceof PrefixLength) {
- return ((PrefixLength) subnet).getPrefixLength();
- }
-
- if (address.getSubnet() instanceof Netmask) {
- return (short) getSubnetMaskLength(
- checkNotNull(((Netmask) subnet).getNetmask(), "No netmask defined for %s", subnet)
- .getValue());
- }
-
- throw new IllegalArgumentException("Unsupported subnet : " + subnet);
- };
- }
-}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java
deleted file mode 100644
index 001923093..000000000
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/subnet/validation/SubnetValidationException.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * 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.v3po.interfaces.ip.subnet.validation;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.util.Collection;
-import javax.annotation.Nonnull;
-import org.apache.commons.lang3.StringUtils;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
-
-/**
- * Thrown as negative result of subnet validation
- */
-public class SubnetValidationException extends Exception {
-
- private SubnetValidationException(@Nonnull final String message) {
- super(message);
- }
-
- public static SubnetValidationException forConflictingData(@Nonnull final Short prefix, @Nonnull Collection<Address> addresses) {
- return new SubnetValidationException(
- "Attempt to define multiple addresses for same subnet[prefixLen = " + prefixToString(prefix) + "], "
- + "addresses : " + addressesToString(addresses));
- }
-
- private static String prefixToString(final Short prefix) {
- return checkNotNull(prefix, "Cannot create " + SubnetValidationException.class.getName() + " for null prefix")
- .toString();
- }
-
- private static String addressesToString(final Collection<Address> addresses) {
- return StringUtils.join(checkNotNull(addresses,
- "Cannot create " + SubnetValidationException.class.getName() + " for null address list"), " | ");
- }
-}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java
index 0860436d3..d6cc6a00f 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/v4/Ipv4AddressCustomizer.java
@@ -23,8 +23,6 @@ import com.google.common.base.Optional;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.interfaces.ip.IpWriter;
-import io.fd.hc2vpp.v3po.interfaces.ip.subnet.validation.Ipv4SubnetValidator;
-import io.fd.hc2vpp.v3po.interfaces.ip.subnet.validation.SubnetValidationException;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.write.WriteContext;
@@ -51,19 +49,11 @@ public class Ipv4AddressCustomizer extends FutureJVppCustomizer
private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
private final NamingContext interfaceContext;
- private final Ipv4SubnetValidator subnetValidator;
-
- @VisibleForTesting
- Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore, @Nonnull final NamingContext interfaceContext,
- @Nonnull final Ipv4SubnetValidator subnetValidator) {
- super(futureJVppCore);
- this.interfaceContext = checkNotNull(interfaceContext, "Interface context cannot be null");
- this.subnetValidator = checkNotNull(subnetValidator, "Subnet validator cannot be null");
- }
public Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
@Nonnull final NamingContext interfaceContext) {
- this(futureJVppCore, interfaceContext, new Ipv4SubnetValidator());
+ super(futureJVppCore);
+ this.interfaceContext = checkNotNull(interfaceContext, "Interface context cannot be null");
}
@Override
@@ -72,21 +62,7 @@ public class Ipv4AddressCustomizer extends FutureJVppCustomizer
final String interfaceName = id.firstKeyOf(Interface.class).getName();
final int interfaceIndex = interfaceContext.getIndex(interfaceName, writeContext.getMappingContext());
-
- // checks whether address is not from same subnet of some address already defined on this interface
- try {
-
- final InstanceIdentifier<Ipv4> parentId = RWUtils.cutId(id, InstanceIdentifier.create(Ipv4.class));
- final Optional<Ipv4> ipv4Optional = writeContext.readAfter(parentId);
-
- //no need to check isPresent() - we are inside of address customizer, therefore there must be Address data
- //that is being processed by infrastructure
-
- subnetValidator.checkNotAddingToSameSubnet(ipv4Optional.get().getAddress());
- } catch (SubnetValidationException e) {
- throw new WriteFailedException(id, e);
- }
-
+ // TODO - HC2VPP-92 - Add more descriptive exception handling after https://jira.fd.io/browse/VPP-649
setAddress(true, id, interfaceName, interfaceIndex, dataAfter, writeContext);
}