diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/Ipv4Writer.java')
-rw-r--r-- | v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/Ipv4Writer.java | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/Ipv4Writer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/Ipv4Writer.java deleted file mode 100644 index 788deab3b..000000000 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/Ipv4Writer.java +++ /dev/null @@ -1,108 +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.interfaces.ip; - -import static com.google.common.base.Preconditions.checkArgument; -import static com.google.common.base.Preconditions.checkNotNull; - -import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator; -import io.fd.honeycomb.translate.vpp.util.Ipv4Translator; -import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer; -import io.fd.honeycomb.translate.write.WriteFailedException; -import io.fd.vpp.jvpp.core.dto.SwInterfaceAddDelAddress; -import io.fd.vpp.jvpp.core.dto.SwInterfaceAddDelAddressReply; -import io.fd.vpp.jvpp.core.future.FutureJVppCore; -import java.util.concurrent.CompletionStage; -import javax.annotation.Nonnegative; -import javax.annotation.Nonnull; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; - -/** - * Utility class providing Ipv4 CUD support. - */ -public interface Ipv4Writer extends ByteDataTranslator, Ipv4Translator, JvppReplyConsumer { - - int DOTTED_QUAD_MASK_LENGTH = 4; - int IPV4_ADDRESS_PART_BITS_COUNT = 8; - int NETMASK_PART_LIMIT = 256; // 2 power to 8 - - default void addDelAddress(@Nonnull final FutureJVppCore futureJVppCore, final boolean add, - final InstanceIdentifier<?> id, - @Nonnegative final int ifaceId, - @Nonnull final Ipv4AddressNoZone address, @Nonnegative final byte prefixLength) - throws WriteFailedException { - checkArgument(prefixLength > 0, "Invalid prefix length"); - checkNotNull(address, "address should not be null"); - - final byte[] addressBytes = ipv4AddressNoZoneToArray(address); - - final CompletionStage<SwInterfaceAddDelAddressReply> swInterfaceAddDelAddressReplyCompletionStage = - futureJVppCore.swInterfaceAddDelAddress( - getSwInterfaceAddDelAddressRequest(ifaceId, booleanToByte(add) /* isAdd */, - (byte) 0 /* isIpv6 */, (byte) 0 /* delAll */, prefixLength, addressBytes)); - - getReplyForWrite(swInterfaceAddDelAddressReplyCompletionStage.toCompletableFuture(), id); - } - - default SwInterfaceAddDelAddress getSwInterfaceAddDelAddressRequest(final int swIfc, final byte isAdd, - final byte ipv6, final byte deleteAll, - final byte length, final byte[] addr) { - final SwInterfaceAddDelAddress swInterfaceAddDelAddress = new SwInterfaceAddDelAddress(); - swInterfaceAddDelAddress.swIfIndex = swIfc; - swInterfaceAddDelAddress.isAdd = isAdd; - swInterfaceAddDelAddress.isIpv6 = ipv6; - swInterfaceAddDelAddress.delAll = deleteAll; - swInterfaceAddDelAddress.address = addr; - swInterfaceAddDelAddress.addressLength = length; - return swInterfaceAddDelAddress; - } - - /** - * Returns the prefix size in bits of the specified subnet mask. Example: For the subnet mask 255.255.255.128 it - * returns 25 while for 255.0.0.0 it returns 8. If the passed subnetMask array is not complete or contains not only - * leading ones, IllegalArgumentExpression is thrown - * - * @param mask the subnet mask in dot notation 255.255.255.255 - * @return the prefix length as number of bits - */ - default byte getSubnetMaskLength(final String mask) { - String[] maskParts = mask.split("\\."); - - checkArgument(maskParts.length == DOTTED_QUAD_MASK_LENGTH, - "Network mask %s is not in Quad Dotted Decimal notation!", mask); - - long maskAsNumber = 0; - for (int i = 0; i < DOTTED_QUAD_MASK_LENGTH; i++) { - maskAsNumber <<= IPV4_ADDRESS_PART_BITS_COUNT; - int value = Integer.parseInt(maskParts[i]); - checkArgument(value < NETMASK_PART_LIMIT, "Network mask %s contains invalid number(s) over 255!", mask); - checkArgument(value >= 0, "Network mask %s contains invalid negative number(s)!", mask); - maskAsNumber += value; - } - - String bits = Long.toBinaryString(maskAsNumber); - checkArgument(bits.length() == IPV4_ADDRESS_PART_BITS_COUNT * DOTTED_QUAD_MASK_LENGTH, - "Incorrect network mask %s", mask); - final int leadingOnes = bits.indexOf('0'); - checkArgument(leadingOnes != -1, "Broadcast address %s is not allowed!", mask); - checkArgument(bits.substring(leadingOnes).indexOf('1') == -1, - "Non-contiguous network mask %s is not allowed!", mask); - return (byte) leadingOnes; - } - -} |