diff options
Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java')
| -rw-r--r-- | framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java deleted file mode 100644 index 762dad56..00000000 --- a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java +++ /dev/null @@ -1,282 +0,0 @@ -/* - * Copyright 2015 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.pim; - -import org.onlab.packet.DeserializationException; -import org.onlab.packet.Ip4Address; -import org.onlab.packet.Ip6Address; -import org.onlab.packet.IpAddress; -import org.onlab.packet.IpPrefix; -import org.onlab.packet.PIM; - -import java.nio.ByteBuffer; - -import static org.onlab.packet.PacketUtils.checkInput; - -public class PIMAddrSource { - private byte family; - private byte encType; - private byte reserved; - private boolean sBit; - private boolean wBit; - private boolean rBit; - private byte masklen; - IpAddress addr; - - public static final int ENC_SOURCE_IPV4_BYTE_LENGTH = 4 + Ip4Address.BYTE_LENGTH; - public static final int ENC_SOURCE_IPV6_BYTE_LENGTH = 4 + Ip6Address.BYTE_LENGTH; - - /** - * PIM Encoded Source Address. - * - * @param addr IPv4 or IPv6 - */ - public PIMAddrSource(String addr) { - this.init(); - this.setAddr(addr); - } - - /** - * PIM Encoded Source Address. - * - * @param spfx IPv4 or IPv6 - */ - public PIMAddrSource(IpPrefix spfx) { - this.init(); - this.setAddr(spfx); - } - - /** - * PIM Encoded Group Address. - */ - public PIMAddrSource() { - this.init(); - } - - private void init() { - this.family = PIM.ADDRESS_FAMILY_IP4; - this.encType = 0; - this.reserved = 0; - this.sBit = true; - this.wBit = false; - this.rBit = false; - } - - /** - * PIM Encoded Source Address. - * - * @param addr IPv4 or IPv6 - */ - public void setAddr(String addr) { - IpPrefix spfx = IpPrefix.valueOf(addr); - setAddr(spfx); - } - - /** - * PIM Encoded Source Address. - * - * @param spfx IPv4 or IPv6 address prefix - */ - public void setAddr(IpPrefix spfx) { - this.addr = spfx.address(); - this.masklen = (byte) spfx.prefixLength(); - this.family = (byte) ((this.addr.isIp4()) ? PIM.ADDRESS_FAMILY_IP4 : PIM.ADDRESS_FAMILY_IP6); - } - - /** - * Get the IP family of this address: 4 or 6. - * - * @return the IP address family - */ - public byte getFamily() { - return this.family; - } - - /** - * Get the address of this encoded address. - * - * @return source address - */ - public IpAddress getAddr() { - return this.addr; - } - - /** - * Get the masklen of the group address. - * - * @return the masklen - */ - public int getMasklen() { - return this.masklen; - } - - /** - * Return the sparse bit. - * - * @return true or false - */ - public boolean getSBit() { - return this.sBit; - } - - /** - * Return the wBit, used in Join/Prune messages. - * - * @return return true or false. - */ - public boolean getWBit() { - return this.wBit; - } - - /** - * Return the rBit. Used by Rendezvous Point. - * - * @return the rBit. - */ - public boolean getRBit() { - return this.rBit; - } - - /** - * The size in bytes of a serialized address. - * - * @return the number of bytes when serialized - */ - public int getByteSize() { - int size = 4; - size += addr.isIp4() ? PIM.ADDRESS_FAMILY_IP4 : PIM.ADDRESS_FAMILY_IP6; - return size; - } - - public byte[] serialize() { - int len = addr.isIp4() ? ENC_SOURCE_IPV4_BYTE_LENGTH : ENC_SOURCE_IPV6_BYTE_LENGTH; - - final byte[] data = new byte[len]; - final ByteBuffer bb = ByteBuffer.wrap(data); - - bb.put(this.family); - bb.put(this.encType); - - // Todo: technically we should be setting the B and Z bits, but we'll never use them. - byte mask = 0x0; - if (this.sBit) { - this.reserved |= 0x4; - } - if (this.wBit) { - this.reserved |= 0x2; - } - if (this.rBit) { - this.reserved |= 0x1; - } - bb.put(reserved); - - bb.put(this.masklen); - bb.put(this.addr.toOctets()); - return data; - } - - public PIMAddrSource deserialize(byte[] data, int offset, int length) throws DeserializationException { - final ByteBuffer bb = ByteBuffer.wrap(data, offset, length); - return deserialize(bb); - } - - public PIMAddrSource deserialize(ByteBuffer bb) throws DeserializationException { - - /* - * We need to verify that we have enough buffer space. First we'll assume that - * we are decoding an IPv4 address. After we read the first by (address family), - * we'll determine if we actually need more buffer space for an IPv6 address. - */ - checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), ENC_SOURCE_IPV4_BYTE_LENGTH); - - this.family = bb.get(); - if (family != PIM.ADDRESS_FAMILY_IP4 && family != PIM.ADDRESS_FAMILY_IP6) { - throw new DeserializationException("Illegal IP version number: " + family + "\n"); - } else if (family == PIM.ADDRESS_FAMILY_IP6) { - - // Check for one less by since we have already read the first byte of the packet. - checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), ENC_SOURCE_IPV6_BYTE_LENGTH - 1); - } - - this.encType = bb.get(); - this.reserved = bb.get(); - if ((this.reserved & 0x01) != 0) { - this.rBit = true; - } - if ((this.reserved & 0x02) != 0) { - this.wBit = true; - } - if ((this.reserved & 0x4) != 0) { - this.sBit = true; - } - - // Remove the s, reserved - this.reserved &= 0xf8; - - this.masklen = bb.get(); - if (this.family == PIM.ADDRESS_FAMILY_IP4) { - this.addr = IpAddress.valueOf(bb.getInt()); - } else if (this.family == PIM.ADDRESS_FAMILY_IP6) { - this.addr = Ip6Address.valueOf(bb.array(), 2); - } - return this; - } - - /* - * (non-Javadoc) - * - * @see java.lang.Object#hashCode() - */ - @Override - public int hashCode() { - final int prime = 2521; - int result = super.hashCode(); - result = prime * result + this.family; - result = prime * result + this.encType; - result = prime * result + this.reserved; - result = prime * result + this.masklen; - result = prime * result + this.addr.hashCode(); - return result; - } - - /* - * (non-Javadoc) - * - * @see java.lang.Object#hashCode() - */ - @Override - public boolean equals(final Object obj) { - if (this == obj) { - return true; - } - if (!(obj instanceof PIMAddrSource)) { - return false; - } - final PIMAddrSource other = (PIMAddrSource) obj; - if (this.family != other.family) { - return false; - } - - if (this.encType != other.encType) { - return false; - } - - if (!this.addr.equals(other.addr)) { - return false; - } - return true; - } -} |