Added packet handling functions for PIM, Specifically
PIM Hello and PIM Join/Prune messages along with
respective PIM encoded address types
Change-Id: Iaef2e3581e27fa910ad355043bcb3e175238706a
diff --git a/utils/misc/src/main/java/org/onlab/packet/IPv4.java b/utils/misc/src/main/java/org/onlab/packet/IPv4.java
index d75b50a..a5c5f4f 100644
--- a/utils/misc/src/main/java/org/onlab/packet/IPv4.java
+++ b/utils/misc/src/main/java/org/onlab/packet/IPv4.java
@@ -35,6 +35,7 @@
public static final byte PROTOCOL_IGMP = 0x2;
public static final byte PROTOCOL_TCP = 0x6;
public static final byte PROTOCOL_UDP = 0x11;
+ public static final byte PROTOCOL_PIM = 0x67;
public static final Map<Byte, Deserializer<? extends IPacket>> PROTOCOL_DESERIALIZER_MAP =
new HashMap<>();
@@ -43,6 +44,7 @@
IPv4.PROTOCOL_DESERIALIZER_MAP.put(IPv4.PROTOCOL_IGMP, IGMP.deserializer());
IPv4.PROTOCOL_DESERIALIZER_MAP.put(IPv4.PROTOCOL_TCP, TCP.deserializer());
IPv4.PROTOCOL_DESERIALIZER_MAP.put(IPv4.PROTOCOL_UDP, UDP.deserializer());
+ IPv4.PROTOCOL_DESERIALIZER_MAP.put(IPv4.PROTOCOL_PIM, PIM.deserializer());
}
private static final byte DSCP_MASK = 0x3f;
diff --git a/utils/misc/src/main/java/org/onlab/packet/PIM.java b/utils/misc/src/main/java/org/onlab/packet/PIM.java
new file mode 100755
index 0000000..cab9514
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/PIM.java
@@ -0,0 +1,296 @@
+/*
+ * 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;
+
+import org.onlab.packet.pim.PIMHello;
+import org.onlab.packet.pim.PIMJoinPrune;
+
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.onlab.packet.PacketUtils.checkInput;
+
+/**
+ * Implements PIM control packet format.
+ */
+public class PIM extends BasePacket {
+
+ public static final IpAddress PIM_ADDRESS = IpAddress.valueOf("224.0.0.13");
+
+ public static final byte TYPE_HELLO = 0x00;
+ public static final byte TYPE_REGISTER = 0x01;
+ public static final byte TYPE_REQUEST_STOP = 0x02;
+ public static final byte TYPE_JOIN_PRUNE_REQUEST = 0x03;
+ public static final byte TYPE_BOOTSTRAP = 0x04;
+ public static final byte TYPE_ASSERT = 0x05;
+ public static final byte TYPE_GRAFT = 0x06;
+ public static final byte TYPE_GRAFT_ACK = 0x07;
+ public static final byte TYPE_CANDIDATE_RP_ADV = 0x08;
+
+ public static final int PIM_HEADER_LEN = 4;
+
+ public static final Map<Byte, Deserializer<? extends IPacket>> PROTOCOL_DESERIALIZER_MAP =
+ new HashMap<>();
+
+ static {
+ PIM.PROTOCOL_DESERIALIZER_MAP.put(PIM.TYPE_HELLO, PIMHello.deserializer());
+ PIM.PROTOCOL_DESERIALIZER_MAP.put(PIM.TYPE_JOIN_PRUNE_REQUEST, PIMJoinPrune.deserializer());
+ }
+
+ /*
+ * PIM Header fields
+ */
+ protected byte version;
+ protected byte type;
+ protected byte reserved;
+ protected short checksum;
+
+ /**
+ * Default constructor.
+ */
+ public PIM() {
+ super();
+ this.version = 2;
+ this.reserved = 0;
+ }
+
+ /**
+ * Return the PIM message type.
+ *
+ * @return the pimMsgType
+ */
+ public byte getPimMsgType() {
+ return this.type;
+ }
+
+ /**
+ * Set the PIM message type. Currently PIMJoinPrune and PIMHello are
+ * supported.
+ *
+ * @param type PIM message type
+ * @return PIM Header
+ */
+ public PIM setPIMType(final byte type) {
+ this.type = type;
+ return this;
+ }
+
+ /**
+ * Get the version of PIM.
+ *
+ * @return the PIM version. Must be 2.
+ */
+ public byte getVersion() {
+ return version;
+ }
+
+ /**
+ * Set the PIM version type. Should not change from 2.
+ *
+ * @param version
+ */
+ public void setVersion(byte version) {
+ this.version = version;
+ }
+
+ /**
+ * Get the reserved field.
+ *
+ * @return the reserved field. Must be ignored.
+ */
+ public byte getReserved() {
+ return reserved;
+ }
+
+ /**
+ * Set the reserved field.
+ *
+ * @param reserved should be 0
+ */
+ public void setReserved(byte reserved) {
+ this.reserved = reserved;
+ }
+
+ /**
+ * Get the checksum of this packet.
+ *
+ * @return the checksum
+ */
+ public short getChecksum() {
+ return checksum;
+ }
+
+ /**
+ * Set the checksum.
+ *
+ * @param checksum the checksum
+ */
+ public void setChecksum(short checksum) {
+ this.checksum = checksum;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 5807;
+ int result = super.hashCode();
+ result = prime * result + this.type;
+ result = prime * result + this.version;
+ result = prime * result + this.checksum;
+ return result;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!super.equals(obj)) {
+ return false;
+ }
+ if (!(obj instanceof PIM)) {
+ return false;
+ }
+ final PIM other = (PIM) obj;
+ if (this.type != other.type) {
+ return false;
+ }
+ if (this.version != other.version) {
+ return false;
+ }
+ if (this.checksum != other.checksum) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Serializes the packet. Will compute and set the following fields if they
+ * are set to specific values at the time serialize is called: -checksum : 0
+ * -length : 0
+ *
+ * @return will return the serialized packet
+ */
+ @Override
+ public byte[] serialize() {
+ int length = 4;
+ byte[] payloadData = null;
+ if (this.payload != null) {
+ this.payload.setParent(this);
+ payloadData = this.payload.serialize();
+ length += payloadData.length;
+ }
+
+ final byte[] data = new byte[length];
+ final ByteBuffer bb = ByteBuffer.wrap(data);
+
+ bb.put((byte) ((this.version & 0xf) << 4 | this.type & 0xf));
+ bb.put(this.reserved);
+ bb.putShort(this.checksum);
+ if (payloadData != null) {
+ bb.put(payloadData);
+ }
+
+ if (this.parent != null && this.parent instanceof PIM) {
+ ((PIM) this.parent).setPIMType(TYPE_JOIN_PRUNE_REQUEST);
+ }
+
+ // compute checksum if needed
+ if (this.checksum == 0) {
+ bb.rewind();
+ int accumulation = 0;
+
+ for (int i = 0; i < length / 2; ++i) {
+ accumulation += 0xffff & bb.getShort();
+ }
+ // pad to an even number of shorts
+ if (length % 2 > 0) {
+ accumulation += (bb.get() & 0xff) << 8;
+ }
+
+ accumulation = (accumulation >> 16 & 0xffff)
+ + (accumulation & 0xffff);
+ this.checksum = (short) (~accumulation & 0xffff);
+ bb.putShort(2, this.checksum);
+ }
+ return data;
+ }
+
+ /**
+ * Deserialize the PIM packet.
+ *
+ * @param data bytes to deserialize.
+ * @param offset offset to start deserializing from
+ * @param length length of the data to deserialize
+ *
+ * @return the deserialized PIM packet.
+ */
+ @Override
+ public IPacket deserialize(final byte[] data, final int offset,
+ final int length) {
+ final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+ this.type = bb.get();
+ this.version = bb.get();
+ this.checksum = bb.getShort();
+
+ //this.payload = new Data();
+ this.payload = this.payload.deserialize(data, bb.position(), bb.limit() - bb.position());
+ this.payload.setParent(this);
+ return this;
+ }
+ /**
+ * Deserializer function for IPv4 packets.
+ *
+ * @return deserializer function
+ */
+ public static Deserializer<PIM> deserializer() {
+ return (data, offset, length) -> {
+ checkInput(data, offset, length, PIM_HEADER_LEN);
+
+ PIM pim = new PIM();
+
+ final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+
+ byte versionByte = bb.get();
+ pim.version = (byte) (versionByte >> 4 & 0xf);
+ pim.setPIMType((byte) (versionByte & 0xf));
+ pim.reserved = bb.get();
+ pim.checksum = bb.getShort();
+
+ Deserializer<? extends IPacket> deserializer;
+ if (PIM.PROTOCOL_DESERIALIZER_MAP.containsKey(pim.getPimMsgType())) {
+ deserializer = PIM.PROTOCOL_DESERIALIZER_MAP.get(pim.getPimMsgType());
+ } else {
+ deserializer = Data.deserializer();
+ }
+
+ pim.payload = deserializer.deserialize(data, bb.position(), bb.limit() - bb.position());
+ pim.payload.setParent(pim);
+
+ return pim;
+ };
+ }
+}
diff --git a/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrGroup.java b/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrGroup.java
new file mode 100644
index 0000000..195dc92
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrGroup.java
@@ -0,0 +1,256 @@
+/*
+ * 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.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.Ip6Address;
+
+import java.nio.ByteBuffer;
+
+import static org.onlab.packet.PacketUtils.checkInput;
+
+public class PIMAddrGroup {
+ private byte family;
+ private byte encType;
+ private byte reserved;
+ private boolean bBit;
+ private boolean zBit;
+ private byte masklen;
+ IpAddress addr;
+
+ public static final int ENC_GROUP_IPV4_BYTE_LENGTH = 4 + Ip4Address.BYTE_LENGTH;
+ public static final int ENC_GROUP_IPV6_BYTE_LENGTH = 4 + Ip6Address.BYTE_LENGTH;
+
+ /**
+ * PIM Encoded Group Address.
+ */
+ public PIMAddrGroup() {
+ this.family = 4;
+ this.encType = 0;
+ this.reserved = 0;
+ this.bBit = false;
+ this.zBit = false;
+ }
+
+ /**
+ * PIM Encoded Source Address.
+ *
+ * @param addr IPv4 or IPv6
+ */
+ public PIMAddrGroup(String addr) {
+ this.setAddr(addr);
+ }
+
+ /**
+ * PIM Encoded Group Address.
+ *
+ * @param gpfx PIM encoded group address.
+ */
+ public PIMAddrGroup(IpPrefix gpfx) {
+ this.setAddr(gpfx);
+ }
+
+ /**
+ * PIM encoded source address.
+ *
+ * @param addr IPv4 or IPv6
+ */
+ public void setAddr(String addr) {
+ setAddr(IpPrefix.valueOf(addr));
+ }
+
+ /**
+ * Set the encoded source address.
+ *
+ * @param pfx
+ */
+ public void setAddr(IpPrefix pfx) {
+ this.addr = pfx.address();
+ this.masklen = (byte) pfx.prefixLength();
+ this.family = (byte) ((this.addr.isIp4()) ? 4 : 6);
+ }
+
+ /**
+ * Get the IP family of this address: 4 or 6.
+ *
+ * @return the IP address family
+ */
+ public int 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 z bit for admin scoping. Only used for the Bootstrap router.
+ *
+ * @return true or false
+ */
+ public boolean getZBit() {
+ return this.zBit;
+ }
+
+ /**
+ * Return the bBit. Used to indicate this is a bidir
+ *
+ * @return return true or false.
+ */
+ public boolean getBBit() {
+ return this.bBit;
+ }
+
+ /**
+ * The size in bytes of a serialized address.
+ *
+ * @return the number of bytes when serialized
+ */
+ public int getByteSize() {
+ int size = 4;
+ size += addr.isIp4() ? 4 : 16;
+ return size;
+ }
+
+ /**
+ * Serialize this group address.
+ *
+ * @return the serialized address in a buffer.
+ */
+ public byte[] serialize() {
+ int len = getByteSize();
+
+ 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.
+ bb.put(reserved);
+
+ bb.put(this.masklen);
+ bb.put(this.addr.toOctets());
+ return data;
+ }
+
+ /**
+ * Deserialze from a ByteBuffer.
+ *
+ * @param bb the ByteBuffer
+ * @return an encoded PIM group address.
+ */
+ public PIMAddrGroup 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_GROUP_IPV4_BYTE_LENGTH);
+
+ this.family = bb.get();
+ if (family != 4 && family != 6) {
+ throw new DeserializationException("Illegal IP version number: " + family + "\n");
+ } else if (family == 6) {
+
+ // 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_GROUP_IPV6_BYTE_LENGTH - 1);
+ }
+
+ this.encType = bb.get();
+ this.reserved = bb.get();
+ if ((this.reserved & 0x80) != 0) {
+ this.bBit = true;
+ }
+ if ((this.reserved & 0x01) != 0) {
+ this.zBit = true;
+ }
+ // Remove the z and b bits from reserved
+ this.reserved |= 0x7d;
+
+ this.masklen = bb.get();
+ if (this.family == 4) {
+ this.addr = IpAddress.valueOf(bb.getInt());
+ } else if (this.family == 6) {
+ 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#equals()
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!(obj instanceof PIMAddrGroup)) {
+ return false;
+ }
+ final PIMAddrGroup other = (PIMAddrGroup) obj;
+ if (this.family != this.family) {
+ return false;
+ }
+
+ if (this.encType != other.encType) {
+ return false;
+ }
+
+ if (!this.addr.equals(other.addr)) {
+ return false;
+ }
+ return true;
+ }
+}
diff --git a/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java b/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java
new file mode 100644
index 0000000..2d4a781
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrSource.java
@@ -0,0 +1,281 @@
+/*
+ * 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.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.Ip6Address;
+
+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 = 4;
+ 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()) ? 4 : 6);
+ }
+
+ /**
+ * 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() ? 4 : 16;
+ 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 != 4 && family != 6) {
+ throw new DeserializationException("Illegal IP version number: " + family + "\n");
+ } else if (family == 6) {
+
+ // 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 == 4) {
+ this.addr = IpAddress.valueOf(bb.getInt());
+ } else if (this.family == 6) {
+ 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 != this.family) {
+ return false;
+ }
+
+ if (this.encType != other.encType) {
+ return false;
+ }
+
+ if (!this.addr.equals(other.addr)) {
+ return false;
+ }
+ return true;
+ }
+}
diff --git a/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrUnicast.java b/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrUnicast.java
new file mode 100644
index 0000000..0c2d676
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/pim/PIMAddrUnicast.java
@@ -0,0 +1,182 @@
+/*
+ * 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.IpAddress;
+import org.onlab.packet.Ip6Address;
+
+import java.nio.ByteBuffer;
+
+import static org.onlab.packet.PacketUtils.checkInput;
+
+public class PIMAddrUnicast {
+ private byte family;
+ private byte encType;
+ IpAddress addr;
+
+ public static final int ENC_UNICAST_IPV4_BYTE_LENGTH = 2 + Ip4Address.BYTE_LENGTH;
+ public static final int ENC_UNICAST_IPV6_BYTE_LENGTH = 2 + Ip6Address.BYTE_LENGTH;
+
+ /**
+ * PIM Encoded Source Address.
+ */
+ public PIMAddrUnicast() {
+ this.family = 4;
+ this.encType = 0;
+ }
+
+ /**
+ * PIM Encoded Source Address.
+ *
+ * @param addr IPv4 or IPv6
+ */
+ public PIMAddrUnicast(String addr) {
+ this.addr = IpAddress.valueOf(addr);
+ if (this.addr.isIp4()) {
+ this.family = 4;
+ } else {
+ this.family = 6;
+ }
+ this.encType = 0;
+ }
+
+ /**
+ * PIM Encoded Source Address.
+ *
+ * @param addr IPv4 or IPv6
+ */
+ public void setAddr(IpAddress addr) {
+ this.addr = addr;
+ if (this.addr.isIp4()) {
+ this.family = 4;
+ } else {
+ this.family = 6;
+ }
+ }
+
+ /**
+ * Get the address of this encoded address.
+ *
+ * @return source address
+ */
+ public IpAddress getAddr() {
+ return this.addr;
+ }
+
+ /**
+ * Get the IP family of this address: 4 or 6.
+ *
+ * @return the IP address family
+ */
+ public int getFamily() {
+ return this.family;
+ }
+
+ /**
+ * The size in bytes of a serialized address.
+ *
+ * @return the number of bytes when serialized
+ */
+ public int getByteSize() {
+ int size = 2;
+ if (addr != null) {
+ size += addr.isIp4() ? 4 : 16;
+ } else {
+ size += 4;
+ }
+ return size;
+ }
+
+ public byte[] serialize() {
+ int len = getByteSize();
+
+ final byte[] data = new byte[len];
+ final ByteBuffer bb = ByteBuffer.wrap(data);
+
+ bb.put(family);
+ bb.put(encType);
+ bb.put(addr.toOctets());
+ return data;
+ }
+
+ public PIMAddrUnicast deserialize(ByteBuffer bb) throws DeserializationException {
+
+ // Assume IPv4 for check length until we read the encoded family.
+ checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), ENC_UNICAST_IPV4_BYTE_LENGTH);
+ this.family = bb.get();
+
+ // If we have IPv6 we need to ensure we have adequate buffer space.
+ if (this.family != 4 && this.family != 6) {
+ throw new DeserializationException("Invalid address family: " + this.family);
+ } else if (this.family == 6) {
+ // Subtract -1 from ENC_UNICAST_IPv6 BYTE_LENGTH because we read one byte for family previously.
+ checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), ENC_UNICAST_IPV6_BYTE_LENGTH - 1);
+ }
+
+ this.encType = bb.get();
+ if (this.family == 4) {
+ this.addr = IpAddress.valueOf(bb.getInt());
+ } else if (this.family == 6) {
+ 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.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 PIMAddrUnicast)) {
+ return false;
+ }
+ final PIMAddrUnicast other = (PIMAddrUnicast) obj;
+ if (this.family != this.family) {
+ return false;
+ }
+
+ if (this.encType != other.encType) {
+ return false;
+ }
+
+ if (!this.addr.equals(other.addr)) {
+ return false;
+ }
+ return true;
+ }
+}
diff --git a/utils/misc/src/main/java/org/onlab/packet/pim/PIMHello.java b/utils/misc/src/main/java/org/onlab/packet/pim/PIMHello.java
new file mode 100644
index 0000000..d454f1a
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/pim/PIMHello.java
@@ -0,0 +1,179 @@
+/*
+ * 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.BasePacket;
+import org.onlab.packet.Deserializer;
+import org.onlab.packet.IPacket;
+import org.onlab.packet.IpAddress;
+
+import java.nio.ByteBuffer;
+import java.util.Random;
+
+import static org.onlab.packet.PacketUtils.checkInput;
+
+public class PIMHello extends BasePacket {
+
+ private IpAddress nbrIpAddress;
+
+ private int holdtime = 105;
+ private int genid = 0;
+ private int priority = 1;
+ private boolean priorityPresent = false;
+
+ public static final int MINIMUM_OPTION_LEN_BYTES = 4;
+
+ /**
+ * PIM Option types.
+ */
+ public enum Option {
+ HOLDTIME (1, 2),
+ PRUNEDELAY(2, 4),
+ PRIORITY (19, 4),
+ GENID (20, 4),
+ ADDRLIST (24, 0);
+
+ private final int optType;
+ private final int optLen;
+
+ Option(int ot, int ol) {
+ this.optType = ot;
+ this.optLen = ol;
+ }
+
+ public int optType() {
+ return this.optType;
+ }
+
+ public int optLen() {
+ return this.optLen;
+ }
+ }
+
+ /**
+ * Add the holdtime to the packet.
+ *
+ * @param holdtime the holdtime in seconds
+ */
+ public void addHoldtime(int holdtime) {
+ this.holdtime = holdtime;
+ }
+
+ /**
+ * Add the hello priority.
+ *
+ * @param priority default is 1, the higher the better
+ */
+ public void addPriority(int priority) {
+ this.priority = priority;
+ this.priorityPresent = true;
+ }
+
+ /**
+ * Add a Gen ID.
+ *
+ * @param genid a random generated number, changes only after reset.
+ */
+ public void addGenId(int genid) {
+ if (genid == 0) {
+ this.addGenId();
+ } else {
+ this.genid = genid;
+ }
+ }
+
+ /**
+ * Add the genid. Let this function figure out the number.
+ */
+ public void addGenId() {
+ Random rand = new Random();
+ this.genid = rand.nextInt();
+ }
+
+ /**
+ * Sets all payloads parent packet if applicable, then serializes this
+ * packet and all payloads.
+ *
+ * @return a byte[] containing this packet and payloads
+ */
+ @Override
+ public byte[] serialize() {
+
+ // TODO: Figure out a better way to calculate buffer size
+ int size = Option.PRIORITY.optLen() + 4 +
+ Option.GENID.optLen() + 4 +
+ Option.HOLDTIME.optLen() + 4;
+
+ byte[] data = new byte[size]; // Come up with something better
+ ByteBuffer bb = ByteBuffer.wrap(data);
+
+ // Add the priority
+ bb.putShort((short) Option.PRIORITY.optType);
+ bb.putShort((short) Option.PRIORITY.optLen);
+ bb.putInt(this.priority);
+
+ // Add the genid
+ bb.putShort((short) Option.GENID.optType);
+ bb.putShort((short) Option.GENID.optLen);
+ bb.putInt(this.genid);
+
+ // Add the holdtime
+ bb.putShort((short) Option.HOLDTIME.optType);
+ bb.putShort((short) Option.HOLDTIME.optLen);
+ bb.putShort((short) this.holdtime);
+ return data;
+ }
+
+ /**
+ * XXX: This is deprecated, DO NOT USE, use the deserializer() function instead.
+ */
+ // @Override
+ public IPacket deserialize(final byte[] data, final int offset,
+ final int length) {
+ //
+ return null;
+ }
+
+ /**
+ * Deserialize this hello message.
+ *
+ * @return a deserialized hello message.
+ */
+ public static Deserializer<PIMHello> deserializer() {
+ return (data, offset, length) -> {
+ checkInput(data, offset, length, MINIMUM_OPTION_LEN_BYTES);
+ final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+
+ PIMHello hello = new PIMHello();
+ while (bb.hasRemaining()) {
+ int optType = bb.getShort();
+ int optLen = bb.getShort();
+
+ // Check that we have enough buffer for the next option.
+ checkInput(data, bb.position(), bb.limit() - bb.position(), optLen);
+ if (optType == Option.GENID.optType) {
+ hello.addGenId(bb.getInt());
+ } else if (optType == Option.PRIORITY.optType) {
+ hello.addPriority(bb.getInt());
+ } else if (optType == Option.HOLDTIME.optType) {
+ hello.addHoldtime((int) bb.getShort());
+ }
+ }
+
+ return hello;
+ };
+ }
+}
diff --git a/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java b/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java
new file mode 100644
index 0000000..9653115
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java
@@ -0,0 +1,271 @@
+/*
+ * 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.BasePacket;
+import org.onlab.packet.Deserializer;
+import org.onlab.packet.IPacket;
+import org.onlab.packet.IpPrefix;
+
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+
+import static org.onlab.packet.PacketUtils.checkInput;
+
+public class PIMJoinPrune extends BasePacket {
+
+ private PIMAddrUnicast upstreamAddr = new PIMAddrUnicast();
+ private short holdTime = (short) 0xffff;
+
+ private class JoinPruneGroup {
+ protected IpPrefix group;
+ protected HashMap<IpPrefix, IpPrefix> joins = new HashMap<>();
+ protected HashMap<IpPrefix, IpPrefix> prunes = new HashMap<>();
+
+ public JoinPruneGroup(IpPrefix grp) {
+ group = grp;
+ }
+ }
+ private HashMap<IpPrefix, JoinPruneGroup> joinPrunes = new HashMap<>();
+
+ /**
+ * Get the J/P hold time.
+ *
+ * @return specified in seconds.
+ */
+ public short getHoldTime() {
+ return holdTime;
+ }
+
+ /**
+ * Set the J/P holdtime in seconds.
+ *
+ * @param holdTime return the holdtime.
+ */
+ public void setHoldTime(short holdTime) {
+ this.holdTime = holdTime;
+ }
+
+ /**
+ * Get the upstreamAddr for this J/P request.
+ *
+ * @return the upstream address.
+ */
+ public PIMAddrUnicast getUpstreamAddr() {
+ return upstreamAddr;
+ }
+
+ /**
+ * Set the upstream address of this PIM J/P request.
+ *
+ * @param upstr the PIM Upstream unicast address
+ */
+ public void setUpstreamAddr(PIMAddrUnicast upstr) {
+ this.upstreamAddr = upstr;
+ }
+
+ /**
+ * Add the specified s,g to join field.
+ *
+ * @param saddr the source address of the route
+ * @param gaddr the group address of the route
+ * @param join true for a join, false for a prune.
+ */
+ public void addJoinPrune(String saddr, String gaddr, boolean join) {
+ IpPrefix gpfx = IpPrefix.valueOf(gaddr);
+ IpPrefix spfx = IpPrefix.valueOf(saddr);
+ addJoinPrune(spfx, gpfx, join);
+ }
+
+ /**
+ * Add the specified S, G to the join field.
+ *
+ * @param spfx the source prefix of the route
+ * @param gpfx the group prefix of the route
+ * @param join true for join, false for prune
+ */
+ public void addJoinPrune(IpPrefix spfx, IpPrefix gpfx, boolean join) {
+ JoinPruneGroup jpg = joinPrunes.get(gpfx);
+ if (jpg == null) {
+ jpg = new JoinPruneGroup(gpfx);
+ joinPrunes.put(gpfx, jpg);
+ }
+
+ HashMap<IpPrefix, IpPrefix> members = (join) ? jpg.joins : jpg.prunes;
+ if (members.get(spfx) == null) {
+ members.put(spfx, spfx);
+ }
+ }
+
+ /**
+ * Add a join given strings represending the source and group addresses.
+ *
+ * @param saddr source address
+ * @param gaddr group address
+ */
+ public void addJoin(String saddr, String gaddr) {
+ this.addJoinPrune(saddr, gaddr, true);
+ }
+
+ /**
+ * Add a prune given strings represending the source and group addresses.
+ *
+ * @param saddr source address
+ * @param gaddr group address
+ */
+ public void addPrune(String saddr, String gaddr) {
+ this.addJoinPrune(saddr, gaddr, false);
+ }
+
+ /**
+ * Sets all payloads parent packet if applicable, then serializes this
+ * packet and all payloads.
+ *
+ * @return a byte[] containing this packet and payloads
+ */
+ @Override
+ public byte[] serialize() {
+
+ byte[] data = new byte[8096]; // Come up with something better
+ ByteBuffer bb = ByteBuffer.wrap(data);
+
+ bb.put(upstreamAddr.serialize());
+ bb.put((byte) 0); // reserved
+
+ int ngrps = joinPrunes.size();
+ bb.put((byte) ngrps);
+ bb.putShort(this.holdTime);
+
+ // Walk the group list and input all groups
+ for (JoinPruneGroup jpg : joinPrunes.values()) {
+ PIMAddrGroup grp = new PIMAddrGroup(jpg.group);
+ bb.put(grp.serialize());
+
+ // put the number of joins and prunes
+ bb.putShort((short) jpg.joins.size());
+ bb.putShort((short) jpg.prunes.size());
+
+ // Set all of the joins
+ for (IpPrefix spfx : jpg.joins.values()) {
+ PIMAddrSource src = new PIMAddrSource(spfx);
+ bb.put(src.serialize());
+ }
+
+ // Set all of the prunes
+ for (IpPrefix spfx : jpg.prunes.values()) {
+ PIMAddrSource src = new PIMAddrSource(spfx);
+ bb.put(src.serialize());
+ }
+ }
+
+ int len = bb.position();
+ byte[] data2 = new byte[len];
+ bb = ByteBuffer.wrap(data2, 0, len);
+ bb.put(data, 0, len);
+ return data2;
+ }
+
+ // TODO: I suppose I really need to implement this?
+ @Override
+ public IPacket deserialize(final byte[] data, final int offset,
+ final int length) {
+ final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+ return this;
+ }
+
+ /**
+ * Return the J/P deserializer function.
+ *
+ * @return a function that will deserialize a J/P message.
+ */
+ public static Deserializer<PIMJoinPrune> deserializer() {
+ return (data, offset, length) -> {
+
+ /*
+ * Delay buffer checks until we read enough of the packet to know how
+ * much data we will require. Each encoded address deserializer function
+ * will ensure there is enough data for that address.
+ */
+ PIMJoinPrune jp = new PIMJoinPrune();
+ final ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+
+ // We must get a PIM encoded unicast address
+ PIMAddrUnicast upstream = new PIMAddrUnicast();
+ upstream.deserialize(bb);
+ jp.setUpstreamAddr(upstream);
+
+ // Use this boolean to determine the buffer space we need according to address sizes
+ boolean ipv4 = upstream.getAddr().isIp4();
+
+ // We need at minimum 4 bytes for reserved(1), ngroups(1) & holdtime(2)
+ checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), 4);
+
+ // get and skip the reserved byte
+ bb.get();
+
+ // Get the number of groups.
+ int ngroups = bb.get();
+
+ // Save the holdtime.
+ jp.setHoldTime(bb.getShort());
+
+
+ for (int i = 0; i < ngroups; i++) {
+ PIMAddrGroup grp = new PIMAddrGroup();
+
+ /*
+ * grp.deserialize will ensure the buffer has enough data to read the group address.
+ */
+ grp.deserialize(bb);
+
+ checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), 4);
+ int njoins = bb.getShort();
+ int nprunes = bb.getShort();
+
+ /*
+ * Now we'll verify we have enough buffer to read the next
+ * group of join and prune addresses for this group.
+ */
+ int required = (njoins + nprunes) *
+ (ipv4 ? PIMAddrSource.ENC_SOURCE_IPV4_BYTE_LENGTH : PIMAddrSource.ENC_SOURCE_IPV6_BYTE_LENGTH);
+ checkInput(bb.array(), bb.position(), bb.limit() - bb.position(), required);
+
+ // Now iterate through the joins for this group
+ for (; njoins > 0; njoins--) {
+
+ PIMAddrSource src = new PIMAddrSource();
+ src.deserialize(bb);
+
+ jp.addJoinPrune(
+ src.getAddr().toIpPrefix(),
+ grp.getAddr().toIpPrefix(), true);
+ }
+
+ // Now iterate through the prunes for this group
+ for (; nprunes > 0; nprunes--) {
+
+ PIMAddrSource src = new PIMAddrSource();
+ src.deserialize(bb);
+ jp.addJoinPrune(
+ src.getAddr().toIpPrefix(),
+ grp.getAddr().toIpPrefix(), false);
+ }
+ }
+
+ return jp;
+ };
+ }
+}
diff --git a/utils/misc/src/main/java/org/onlab/packet/pim/package-info.java b/utils/misc/src/main/java/org/onlab/packet/pim/package-info.java
new file mode 100755
index 0000000..88a1ad5
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/pim/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2014-2015 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.
+ */
+
+/**
+ * Utilities for managing PIM packets.
+ */
+package org.onlab.packet.pim;
+
diff --git a/utils/misc/src/test/java/org/onlab/packet/PIMTest.java b/utils/misc/src/test/java/org/onlab/packet/PIMTest.java
new file mode 100644
index 0000000..bed4733
--- /dev/null
+++ b/utils/misc/src/test/java/org/onlab/packet/PIMTest.java
@@ -0,0 +1,112 @@
+/*
+ * 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;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.pim.PIMAddrUnicast;
+import org.onlab.packet.pim.PIMHello;
+import org.onlab.packet.pim.PIMJoinPrune;
+
+import static junit.framework.Assert.assertTrue;
+
+public final class PIMTest {
+
+ public static final String SADDR = "10.2.1.2";
+ public static final String PIMADDR = "224.0.0.13";
+ public static final String PIMUADDR = "10.23.3.5";
+
+ public static final String SADDR1 = "10.1.1.1/32";
+ public static final String SADDR2 = "10.1.2.1/32";
+ public static final String GADDR1 = "232.1.1.1/32";
+ public static final String GADDR2 = "232.1.2.1/32";
+
+ public static final String CPSTR1 = "of:deadbeefball/8";
+ public static final String CPSTR2 = "of:deadbeefcafe/3";
+ public static final String CPSTR3 = "of:2badcafef00d/3";
+
+ private Deserializer<PIM> deserializer;
+
+ private PIM pimHello;
+ private PIMHello hello;
+
+ private PIM pimJoinPrune;
+ private PIMJoinPrune joinPrune;
+
+ @Before
+ public void setUp() throws Exception {
+
+ // Create a PIM Hello
+ pimHello = new PIM();
+ pimHello.setVersion((byte) 2);
+ pimHello.setPIMType((byte) PIM.TYPE_HELLO);
+ pimHello.setChecksum((short) 0);
+
+ hello = new PIMHello();
+ hello.addHoldtime(0xd2);
+ hello.addPriority(44);
+ hello.addGenId(0xf00d);
+ pimHello.setPayload(hello);
+ hello.setParent(pimHello);
+
+ // Create PIM Join Prune
+ pimJoinPrune = new PIM();
+ pimJoinPrune.setVersion((byte) 2);
+ pimJoinPrune.setPIMType((byte) PIM.TYPE_JOIN_PRUNE_REQUEST);
+ pimJoinPrune.setChecksum((short) 0);
+
+ joinPrune = new PIMJoinPrune();
+ joinPrune.setUpstreamAddr(new PIMAddrUnicast(SADDR));
+ joinPrune.addJoin(GADDR1, SADDR1);
+ joinPrune.addJoin(GADDR2, SADDR2);
+ joinPrune.addPrune(GADDR1, SADDR2);
+ joinPrune.addPrune(GADDR2, SADDR1);
+
+ pimJoinPrune.setPayload(joinPrune);
+ joinPrune.setParent(pimJoinPrune);
+
+ deserializer = PIM.deserializer();
+ }
+
+ @Test
+ public void testDerserializeBadInput() throws Exception {
+ PacketTestUtils.testDeserializeBadInput(deserializer);
+ }
+
+ @Test
+ public void testDeserializeTruncated() throws Exception {
+ //byte [] bits = pimHello.serialize();
+ //PacketTestUtils.testDeserializeTruncated(deserializer, bits);
+
+ byte [] bits = pimJoinPrune.serialize();
+ PacketTestUtils.testDeserializeTruncated(deserializer, bits);
+ }
+
+ @Test
+ public void testDeserializeHello() throws Exception {
+ byte [] data = pimHello.serialize();
+ PIM pim = deserializer.deserialize(data, 0, data.length);
+ assertTrue(pim.equals(pimHello));
+ }
+
+ @Test
+ public void testDeserializeJoinPrune() throws Exception {
+ byte [] data = pimJoinPrune.serialize();
+ PIM pim = deserializer.deserialize(data, 0, data.length);
+ assertTrue(pim.equals(pimJoinPrune));
+ }
+
+}
\ No newline at end of file