aboutsummaryrefslogtreecommitdiffstats
path: root/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java
diff options
context:
space:
mode:
Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java')
-rw-r--r--framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java271
1 files changed, 0 insertions, 271 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java
deleted file mode 100644
index 9653115b..00000000
--- a/framework/src/onos/utils/misc/src/main/java/org/onlab/packet/pim/PIMJoinPrune.java
+++ /dev/null
@@ -1,271 +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.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;
- };
- }
-}