diff options
Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java')
| -rw-r--r-- | framework/src/onos/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java deleted file mode 100644 index 114f126c..00000000 --- a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/Ip4Address.java +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright 2014 Open Networking Laboratory - * - * 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 org.onlab.packet; - -import java.net.InetAddress; -import java.net.Inet4Address; -import java.net.Inet6Address; -import java.nio.ByteBuffer; -import java.util.Arrays; - -import com.google.common.net.InetAddresses; - -/** - * A class representing an IPv4 address. - * This class is immutable. - */ -public final class Ip4Address extends IpAddress { - public static final IpAddress.Version VERSION = IpAddress.Version.INET; - public static final int BYTE_LENGTH = IpAddress.INET_BYTE_LENGTH; - public static final int BIT_LENGTH = IpAddress.INET_BIT_LENGTH; - - /** - * Constructor for given IP address version and address octets. - * - * @param value the IP address value stored in network byte order - * (i.e., the most significant byte first) - * @throws IllegalArgumentException if the arguments are invalid - */ - private Ip4Address(byte[] value) { - super(VERSION, value); - } - - /** - * Returns the integer value of this IPv4 address. - * - * @return the IPv4 address's value as an integer - */ - public int toInt() { - ByteBuffer bb = ByteBuffer.wrap(super.toOctets()); - return bb.getInt(); - } - - /** - * Converts an integer into an IPv4 address. - * - * @param value an integer representing an IPv4 address value - * @return an IPv4 address - */ - public static Ip4Address valueOf(int value) { - byte[] bytes = - ByteBuffer.allocate(INET_BYTE_LENGTH).putInt(value).array(); - return new Ip4Address(bytes); - } - - /** - * Converts a byte array into an IPv4 address. - * - * @param value the IPv4 address value stored in network byte order - * (i.e., the most significant byte first) - * @return an IPv4 address - * @throws IllegalArgumentException if the argument is invalid - */ - public static Ip4Address valueOf(byte[] value) { - return new Ip4Address(value); - } - - /** - * Converts a byte array and a given offset from the beginning of the - * array into an IPv4 address. - * <p> - * The IP address is stored in network byte order (i.e., the most - * significant byte first). - * </p> - * @param value the value to use - * @param offset the offset in bytes from the beginning of the byte array - * @return an IPv4 address - * @throws IllegalArgumentException if the arguments are invalid - */ - public static Ip4Address valueOf(byte[] value, int offset) { - IpAddress.checkArguments(VERSION, value, offset); - byte[] bc = Arrays.copyOfRange(value, offset, value.length); - return Ip4Address.valueOf(bc); - } - - /** - * Converts an InetAddress into an IPv4 address. - * - * @param inetAddress the InetAddress value to use. It must contain an IPv4 - * address - * @return an IPv4 address - * @throws IllegalArgumentException if the argument is invalid - */ - public static Ip4Address valueOf(InetAddress inetAddress) { - byte[] bytes = inetAddress.getAddress(); - if (inetAddress instanceof Inet4Address) { - return new Ip4Address(bytes); - } - if ((inetAddress instanceof Inet6Address) || - (bytes.length == INET6_BYTE_LENGTH)) { - final String msg = "Invalid IPv4 version address string: " + - inetAddress.toString(); - throw new IllegalArgumentException(msg); - } - // Use the number of bytes as a hint - if (bytes.length == INET_BYTE_LENGTH) { - return new Ip4Address(bytes); - } - final String msg = "Unrecognized IP version address string: " + - inetAddress.toString(); - throw new IllegalArgumentException(msg); - } - - /** - * Converts an IPv4 string literal (e.g., "10.2.3.4") into an IP address. - * - * @param value an IPv4 address value in string form - * @return an IPv4 address - * @throws IllegalArgumentException if the argument is invalid - */ - public static Ip4Address valueOf(String value) { - InetAddress inetAddress = null; - try { - inetAddress = InetAddresses.forString(value); - } catch (IllegalArgumentException e) { - final String msg = "Invalid IP address string: " + value; - throw new IllegalArgumentException(msg); - } - return valueOf(inetAddress); - } - - /** - * Creates an IPv4 network mask prefix. - * - * @param prefixLength the length of the mask prefix. Must be in the - * interval [0, 32] - * @return a new IPv4 address that contains a mask prefix of the - * specified length - * @throws IllegalArgumentException if the argument is invalid - */ - public static Ip4Address makeMaskPrefix(int prefixLength) { - byte[] mask = IpAddress.makeMaskPrefixArray(VERSION, prefixLength); - return new Ip4Address(mask); - } - - /** - * Creates an IPv4 address by masking it with a network mask of given - * mask length. - * - * @param address the address to mask - * @param prefixLength the length of the mask prefix. Must be in the - * interval [0, 32] - * @return a new IPv4 address that is masked with a mask prefix of the - * specified length - * @throws IllegalArgumentException if the prefix length is invalid - */ - public static Ip4Address makeMaskedAddress(final Ip4Address address, - int prefixLength) { - byte[] net = makeMaskedAddressArray(address, prefixLength); - return Ip4Address.valueOf(net); - } -} |