diff options
author | Marek Gradzki <mgradzki@cisco.com> | 2016-09-27 14:24:06 +0200 |
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committer | Marek Gradzki <mgradzki@cisco.com> | 2016-09-27 14:24:06 +0200 |
commit | a4b65a2de72906e53c94de3beb098744d6fc14ae (patch) | |
tree | 1d491daab017b3b96eda81f40c4872786dc2b44b /vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/Ipv6Translator.java | |
parent | c9820abdccb612d000a7a8bf6ddb763b3aec0a1d (diff) |
HONEYCOMB-206: change package name to match groupId
Change-Id: I74f769c09e86f08b1753e685a134d20e801bd7da
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/Ipv6Translator.java')
-rw-r--r-- | vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/Ipv6Translator.java | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/Ipv6Translator.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/Ipv6Translator.java deleted file mode 100644 index 6be7a5f24..000000000 --- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/Ipv6Translator.java +++ /dev/null @@ -1,158 +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.honeycomb.translate.v3po.util; - -import static com.google.common.base.Preconditions.checkArgument; -import static com.google.common.base.Preconditions.checkNotNull; -import static com.google.common.base.Preconditions.checkState; - -import com.google.common.net.InetAddresses; -import java.net.UnknownHostException; -import java.util.Arrays; -import java.util.List; -import java.util.stream.Collectors; -import javax.annotation.Nonnull; -import org.apache.commons.lang3.StringUtils; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix; - -/** - * Trait providing logic for translation of ipv6-related data - */ -public interface Ipv6Translator extends ByteDataTranslator { - - /** - * Transform Ipv6 address to a byte array acceptable by VPP. VPP expects incoming byte array to be in the same order - * as the address. - * - * @return byte array with address bytes - */ - default byte[] ipv6AddressNoZoneToArray(@Nonnull final Ipv6AddressNoZone ipv6Addr) { - byte[] retval = new byte[16]; - - //splits address and add ommited zeros for easier parsing - List<String> segments = Arrays.asList(ipv6Addr.getValue().split(":")) - .stream() - .map(segment -> StringUtils.repeat('0', 4 - segment.length()) + segment) - .collect(Collectors.toList()); - - byte index = 0; - for (String segment : segments) { - - String firstPart = segment.substring(0, 2); - String secondPart = segment.substring(2); - - //first part should be ommited - if ("00".equals(firstPart)) { - index++; - } else { - retval[index++] = ((byte) Short.parseShort(firstPart, 16)); - } - - retval[index++] = ((byte) Short.parseShort(secondPart, 16)); - } - - return retval; - } - - /** - * Creates address array from address part of {@link Ipv6Prefix} - */ - default byte[] ipv6AddressPrefixToArray(@Nonnull final Ipv6Prefix ipv4Prefix) { - checkNotNull(ipv4Prefix, "Cannot convert null prefix"); - - return ipv6AddressNoZoneToArray(new Ipv6AddressNoZone( - new Ipv6Address(ipv4Prefix.getValue().substring(0, ipv4Prefix.getValue().indexOf('/'))))); - } - - /** - * Extracts {@link Ipv6Prefix} prefix - */ - default byte extractPrefix(Ipv6Prefix data) { - checkNotNull(data, "Cannot extract from null"); - - return Byte.valueOf(data.getValue().substring(data.getValue().indexOf('/') + 1)); - } - - /** - * Converts byte array to {@link Ipv6Prefix} with specified prefixLength - */ - default Ipv6Prefix arrayToIpv6Prefix(final byte[] address, byte prefixLength) { - Ipv6AddressNoZone addressPart = arrayToIpv6AddressNoZone(address); - - return new Ipv6Prefix(addressPart.getValue().concat("/").concat(String.valueOf(prefixLength))); - } - - /** - * Parse byte array returned by VPP representing an Ipv6 address. Vpp returns IP byte arrays in reversed order. - * - * @return Ipv46ddressNoZone containing string representation of IPv6 address constructed from submitted bytes. No - * change in order. - */ - @Nonnull - default Ipv6AddressNoZone arrayToIpv6AddressNoZone(@Nonnull byte[] ip) { - checkArgument(ip.length == 16, "Illegal array length"); - - try { - return new Ipv6AddressNoZone(InetAddresses.toAddrString(InetAddresses.fromLittleEndianByteArray(ip))); - } catch (UnknownHostException e) { - throw new IllegalArgumentException("Unable to parse ipv6", e); - } - } - - /** - * Detects whether {@code IpAddress} is ipv6 - */ - default boolean isIpv6(IpAddress address) { - checkNotNull(address, "Address cannot be null"); - - checkState(!(address.getIpv4Address() == null && address.getIpv6Address() == null), "Invalid address"); - return address.getIpv6Address() != null; - } - - /** - * Parse byte array returned by VPP representing an Ipv6 address. Vpp returns IP byte arrays in natural order. - * - * @return Ipv46ddressNoZone containing string representation of IPv6 address constructed from submitted bytes. No - * change in order. - */ - @Nonnull - default Ipv6AddressNoZone arrayToIpv6AddressNoZoneReversed(@Nonnull byte[] ip) { - checkArgument(ip.length == 16, "Illegal array length"); - - ip = reverseBytes(ip); - - try { - return new Ipv6AddressNoZone(InetAddresses.toAddrString(InetAddresses.fromLittleEndianByteArray(ip))); - } catch (UnknownHostException e) { - throw new IllegalArgumentException("Unable to parse ipv6", e); - } - } - - - /** - * Detects whether {@code IpPrefix} is ipv6 - */ - default boolean isIpv6(IpPrefix address) { - checkNotNull(address, "Address cannot be null"); - checkState(!(address.getIpv4Prefix() == null && address.getIpv6Prefix() == null), "Invalid address"); - return address.getIpv6Prefix() != null; - } -} |