--- /dev/null
+/*
+ * Copyright (c) 2013-2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension;
+
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+
+import org.opendaylight.controller.sal.utils.HexEncode;
+import org.opendaylight.controller.sal.utils.NetUtils;
+import org.openflow.protocol.OFMatch;
+import org.openflow.util.U16;
+import org.openflow.util.U8;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This Class forms the vendor specific IPv6 Flow Match messages as well as
+ * processes the vendor specific IPv6 Stats Reply message.
+ *
+ * For message creation, it parses the user entered IPv6 match fields, creates a
+ * sub-message for each field which are later used to form the complete message.
+ *
+ * For message processing, it parses the incoming message and reads each field
+ * of the message and stores in appropriate field of V6Match object.
+ *
+ *
+ */
+public class V6Match extends OFMatch implements Cloneable {
+ private static final Logger logger = LoggerFactory.getLogger(V6Match.class);
+ private static final long serialVersionUID = 1L;
+ protected Inet6Address nwSrc;
+ protected Inet6Address nwDst;
+ protected short inputPortMask;
+ protected byte[] dataLayerSourceMask;
+ protected byte[] dataLayerDestinationMask;
+ protected int dataLayerVirtualLanTCIMask;
+ protected short dataLayerTypeMask;
+ protected byte networkTypeOfServiceMask;
+ protected byte networkProtocolMask;
+ protected short transportSourceMask;
+ protected short transportDestinationMask;
+ protected short srcIPv6SubnetMaskbits;
+ protected short dstIPv6SubnetMaskbits;
+
+ protected MatchFieldState inputPortState;
+ protected MatchFieldState dlSourceState;
+ protected MatchFieldState dlDestState;
+ protected MatchFieldState dlVlanIDState;
+ protected MatchFieldState dlVlanPCPState;
+ protected MatchFieldState dlVlanTCIState;
+ protected MatchFieldState ethTypeState;
+ protected MatchFieldState nwTosState;
+ protected MatchFieldState nwProtoState;
+ protected MatchFieldState nwSrcState;
+ protected MatchFieldState nwDstState;
+ protected MatchFieldState tpSrcState;
+ protected MatchFieldState tpDstState;
+ protected short match_len = 0;
+ protected short pad_size = 0;
+
+ private static int IPV6_EXT_MIN_HDR_LEN = 36;
+
+ /**
+ * CFI bit in VLAN TCI field.
+ */
+ private static final int VLAN_TCI_CFI = 1 << 12;
+
+ /**
+ * Value of OFP_VLAN_NONE defined by OpenFlow 1.0.
+ */
+ private static final short OFP_VLAN_NONE = (short) 0xffff;
+
+ private enum MatchFieldState {
+ MATCH_ABSENT, MATCH_FIELD_ONLY, MATCH_FIELD_WITH_MASK
+ }
+
+ private enum OF_Match_Types {
+ MATCH_OF_IN_PORT(0), MATCH_OF_ETH_DST(1), MATCH_OF_ETH_SRC(2), MATCH_OF_ETH_TYPE(
+ 3), MATCH_OF_VLAN_TCI(4), MATCH_OF_IP_TOS(5), MATCH_OF_IP_PROTO(
+ 6), MATCH_OF_IP_SRC(7), MATCH_OF_IP_DST(8), MATCH_OF_TCP_SRC(9), MATCH_OF_TCP_DST(
+ 10), MATCH_OF_UDP_SRC(11), MATCH_OF_UDP_DST(12), MATCH_OF_ICMTP_TYPE(
+ 13), MATCH_OF_ICMP_CODE(14), MATCH_OF_ARP_OP(15);
+
+ private int value;
+
+ private OF_Match_Types(int value) {
+ this.value = value;
+ }
+
+ public int getValue() {
+ return this.value;
+ }
+ }
+
+ private enum IPv6Extension_Match_Types {
+ MATCH_IPV6EXT_TUN_ID(16), MATCH_IPV6EXT_ARP_SHA(17), MATCH_IPV6EXT_ARP_THA(
+ 18), MATCH_IPV6EXT_IPV6_SRC(19), MATCH_IPV6EXT_IPV6_DST(20);
+
+ private int value;
+
+ private IPv6Extension_Match_Types(int value) {
+ this.value = value;
+ }
+
+ public int getValue() {
+ return value;
+ }
+ }
+
+ public enum Extension_Types {
+ OF_10(0), IPV6EXT(1);
+
+ protected int value;
+
+ private Extension_Types(int value) {
+ this.value = value;
+ }
+
+ public int getValue() {
+ return value;
+ }
+ }
+
+ public V6Match() {
+ super();
+
+ this.nwSrc = null;
+ this.nwDst = null;
+
+ this.inputPortMask = 0;
+ this.dataLayerSourceMask = null;
+ this.dataLayerDestinationMask = null;
+ this.dataLayerTypeMask = 0;
+ this.dataLayerVirtualLanTCIMask = 0;
+ this.networkTypeOfServiceMask = 0;
+ this.networkProtocolMask = 0;
+ this.transportSourceMask = 0;
+ this.transportDestinationMask = 0;
+
+ this.inputPortState = MatchFieldState.MATCH_ABSENT;
+ this.dlSourceState = MatchFieldState.MATCH_ABSENT;
+ this.dlDestState = MatchFieldState.MATCH_ABSENT;
+ this.dlVlanIDState = MatchFieldState.MATCH_ABSENT;
+ this.dlVlanPCPState = MatchFieldState.MATCH_ABSENT;
+ this.dlVlanTCIState = MatchFieldState.MATCH_ABSENT;
+ this.ethTypeState = MatchFieldState.MATCH_ABSENT;
+ this.nwTosState = MatchFieldState.MATCH_ABSENT;
+ this.nwProtoState = MatchFieldState.MATCH_ABSENT;
+ this.nwSrcState = MatchFieldState.MATCH_ABSENT;
+ this.nwDstState = MatchFieldState.MATCH_ABSENT;
+ this.tpSrcState = MatchFieldState.MATCH_ABSENT;
+ this.tpDstState = MatchFieldState.MATCH_ABSENT;
+
+ this.match_len = 0;
+ this.pad_size = 0;
+ }
+
+ public V6Match(OFMatch match) {
+ super();
+ this.match_len = 0;
+ this.pad_size = 0;
+
+ if (match.getNetworkSource() != 0) {
+ InetAddress address = NetUtils.getInetAddress(match.getNetworkSource());
+ InetAddress mask = NetUtils.getInetNetworkMask(match.getNetworkSourceMaskLen(), false);
+ this.setNetworkSource(address, mask);
+ } else {
+ this.nwSrcState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ if (match.getNetworkDestination() != 0) {
+ InetAddress address = NetUtils.getInetAddress(match.getNetworkDestination());
+ InetAddress mask = NetUtils.getInetNetworkMask(match.getNetworkDestinationMaskLen(), false);
+ this.setNetworkDestination(address, mask);
+ } else {
+ this.nwDstState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.inputPortMask = 0;
+ if (match.getInputPort() != 0) {
+ this.setInputPort(match.getInputPort(), (short) 0);
+ } else {
+ this.inputPortMask = 0;
+ this.inputPortState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.dataLayerSourceMask = null;
+ if (match.getDataLayerSource() != null
+ && !NetUtils.isZeroMAC(match.getDataLayerSource())) {
+ this.setDataLayerSource(match.getDataLayerSource(), null);
+ } else {
+ this.dlSourceState = MatchFieldState.MATCH_ABSENT;
+ }
+ this.dataLayerDestinationMask = null;
+ if (match.getDataLayerDestination() != null
+ && !NetUtils.isZeroMAC(match.getDataLayerDestination())) {
+ this.setDataLayerDestination(match.getDataLayerDestination(), null);
+ } else {
+ this.dlDestState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.dataLayerTypeMask = 0;
+ if (match.getDataLayerType() != 0) {
+ this.setDataLayerType(match.getDataLayerType(), (short) 0);
+ } else {
+ this.dataLayerType = 0;
+ this.ethTypeState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.dataLayerVirtualLanTCIMask = 0;
+ this.dlVlanTCIState = MatchFieldState.MATCH_ABSENT;
+ if (match.getDataLayerVirtualLan() != 0) {
+ this.setDataLayerVirtualLan(match.getDataLayerVirtualLan(),
+ (short) 0);
+ } else {
+ this.dataLayerVirtualLan = 0;
+ this.dlVlanIDState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ if ((match.getWildcards() & OFMatch.OFPFW_DL_VLAN_PCP) == 0) {
+ this.setDataLayerVirtualLanPriorityCodePoint(
+ match.getDataLayerVirtualLanPriorityCodePoint(), (byte) 0);
+ } else {
+ this.dataLayerVirtualLanPriorityCodePoint = 0;
+ this.dlVlanPCPState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.networkProtocolMask = 0;
+ if (match.getNetworkProtocol() != 0) {
+ this.setNetworkProtocol(
+ this.networkProtocol = match.getNetworkProtocol(), (byte) 0);
+ } else {
+ this.networkProtocol = 0;
+ this.nwProtoState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.networkTypeOfServiceMask = 0;
+ if (match.getNetworkTypeOfService() != 0) {
+ this.setNetworkTypeOfService(
+ this.networkTypeOfService = match.getNetworkTypeOfService(),
+ (byte) 0);
+ } else {
+ this.networkTypeOfService = match.getNetworkTypeOfService();
+ this.nwTosState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.transportSourceMask = 0;
+ if (match.getTransportSource() != 0) {
+ this.setTransportSource(match.getTransportSource(), (short) 0);
+ } else {
+ this.transportSource = 0;
+ this.tpSrcState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.transportDestinationMask = 0;
+ if (match.getTransportDestination() != 0) {
+ this.setTransportDestination(match.getTransportDestination(),
+ (short) 0);
+ } else {
+ this.transportDestination = 0;
+ this.tpDstState = MatchFieldState.MATCH_ABSENT;
+ }
+
+ this.setWildcards(match.getWildcards());
+ }
+
+ private enum IPProtocols {
+ ICMP(1), TCP(6), UDP(17), ICMPV6(58);
+
+ private int protocol;
+
+ private IPProtocols(int value) {
+ this.protocol = value;
+ }
+
+ private byte getValue() {
+ return (byte) this.protocol;
+ }
+ }
+
+ public short getIPv6MatchLen() {
+ return match_len;
+ }
+
+ public int getIPv6ExtMinHdrLen() {
+ return IPV6_EXT_MIN_HDR_LEN;
+ }
+
+ public short getPadSize() {
+ return (short) (((match_len + 7) / 8) * 8 - match_len);
+ }
+
+ private int getIPv6ExtensionMatchHeader(Extension_Types extType, int field,
+ int has_mask, int length) {
+ return (((extType.getValue() & 0x0000ffff) << 16)
+ | ((field & 0x0000007f) << 9) | ((has_mask & 0x00000001) << 8) | (length & 0x000000ff));
+ }
+
+ private byte[] getIPv6ExtensionPortMatchMsg(short port) {
+ ByteBuffer ipv6ext_port_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_IN_PORT.getValue(), 0, 2);
+ ipv6ext_port_msg.putInt(nxm_header);
+ ipv6ext_port_msg.putShort(port);
+ return (ipv6ext_port_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionDestMacMatchMsg(byte[] destMac) {
+ ByteBuffer ipv6ext_destmac_msg = ByteBuffer.allocate(10);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_ETH_DST.getValue(), 0, 6);
+ ipv6ext_destmac_msg.putInt(nxm_header);
+ ipv6ext_destmac_msg.put(destMac);
+ return (ipv6ext_destmac_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionSrcMacMatchMsg(byte[] srcMac) {
+ ByteBuffer ipv6ext_srcmac_msg = ByteBuffer.allocate(10);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_ETH_SRC.getValue(), 0, 6);
+ ipv6ext_srcmac_msg.putInt(nxm_header);
+ ipv6ext_srcmac_msg.put(srcMac);
+ return (ipv6ext_srcmac_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionEtherTypeMatchMsg(short EtherType) {
+ ByteBuffer ipv6ext_etype_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_ETH_TYPE.getValue(), 0, 2);
+ ipv6ext_etype_msg.putInt(nxm_header);
+ ipv6ext_etype_msg.putShort(EtherType);
+ return (ipv6ext_etype_msg.array());
+ }
+
+ private byte[] getVlanTCI(short dataLayerVirtualLanID,
+ byte dataLayerVirtualLanPriorityCodePoint) {
+ ByteBuffer vlan_tci = ByteBuffer.allocate(2);
+ int vlan_tci_int;
+ if (dataLayerVirtualLanID == OFP_VLAN_NONE) {
+ // Match only packets without VLAN tag.
+ vlan_tci_int = 0;
+ } else {
+ // the pcp fields have to move by 13
+ int pcp = dataLayerVirtualLanPriorityCodePoint << 13;
+ vlan_tci_int = pcp + VLAN_TCI_CFI + dataLayerVirtualLanID;
+ }
+ vlan_tci.put((byte) (vlan_tci_int >> 8)); // bits 8 to 15
+ vlan_tci.put((byte) vlan_tci_int); // bits 0 to 7
+ return vlan_tci.array();
+ }
+
+ private byte[] getIPv6ExtensionVlanTCIMatchMsg(short dataLayerVirtualLanID,
+ byte dataLayerVirtualLanPriorityCodePoint) {
+ ByteBuffer ipv6ext_vlan_tci_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_VLAN_TCI.getValue(), 0, 2);
+ ipv6ext_vlan_tci_msg.putInt(nxm_header);
+ ipv6ext_vlan_tci_msg.put(getVlanTCI(dataLayerVirtualLanID,
+ dataLayerVirtualLanPriorityCodePoint));
+ return (ipv6ext_vlan_tci_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionVlanTCIMatchWithMaskMsg(
+ short dataLayerVirtualLan,
+ byte dataLayerVirtualLanPriorityCodePoint,
+ int dataLayerVirtualLanTCIMask) {
+ ByteBuffer ipv6ext_vlan_tci_msg = ByteBuffer.allocate(8);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_VLAN_TCI.getValue(), 1, 4);
+ ipv6ext_vlan_tci_msg.putInt(nxm_header);
+ ipv6ext_vlan_tci_msg.put(getVlanTCI(dataLayerVirtualLan,
+ dataLayerVirtualLanPriorityCodePoint));
+ ipv6ext_vlan_tci_msg.put((byte) (dataLayerVirtualLanTCIMask >> 8)); // bits
+ // 8
+ // to
+ // 15
+ ipv6ext_vlan_tci_msg.put((byte) (dataLayerVirtualLanTCIMask)); // bits 0
+ // to 7
+ return (ipv6ext_vlan_tci_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionSrcIPv6MatchMsg(byte[] srcIpv6) {
+ ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(20);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+ IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_SRC.getValue(), 0,
+ 16);
+ ipv6ext_ipv6_msg.putInt(nxm_header);
+ ipv6ext_ipv6_msg.put(srcIpv6);
+ return (ipv6ext_ipv6_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionSrcIPv6MatchwithMaskMsg(byte[] srcIpv6,
+ short masklen) {
+ ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(36);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+ IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_SRC.getValue(), 1,
+ 32);
+ ipv6ext_ipv6_msg.putInt(nxm_header);
+ ipv6ext_ipv6_msg.put(srcIpv6);
+ byte[] ipv6_mask = getIPv6NetworkMaskinBytes(masklen);
+ ipv6ext_ipv6_msg.put(ipv6_mask);
+ return (ipv6ext_ipv6_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionDstIPv6MatchMsg(byte[] dstIpv6) {
+ ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(20);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+ IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_DST.getValue(), 0,
+ 16);
+ ipv6ext_ipv6_msg.putInt(nxm_header);
+ ipv6ext_ipv6_msg.put(dstIpv6);
+ return (ipv6ext_ipv6_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionDstIPv6MatchwithMaskMsg(byte[] dstIpv6,
+ short masklen) {
+ ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(36);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+ IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_DST.getValue(), 1,
+ 32);
+ ipv6ext_ipv6_msg.putInt(nxm_header);
+ ipv6ext_ipv6_msg.put(dstIpv6);
+ byte[] ipv6_mask = getIPv6NetworkMaskinBytes(masklen);
+ ipv6ext_ipv6_msg.put(ipv6_mask);
+ return (ipv6ext_ipv6_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionProtocolMatchMsg(byte protocol) {
+ ByteBuffer ipv6ext_proto_msg = ByteBuffer.allocate(5);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_IP_PROTO.getValue(), 0, 1);
+ if (protocol == 0) {
+ return null;
+ }
+ ipv6ext_proto_msg.putInt(nxm_header);
+ if (protocol == IPProtocols.ICMP.getValue()) {
+ /*
+ * The front end passes the same protocol type values for IPv4 and
+ * IPv6 flows. For the Protocol types we allow in our GUI (ICMP,
+ * TCP, UDP), ICMP is the only one which is different for IPv6. It
+ * is 1 for v4 and 58 for v6 Therefore, we overwrite it here.
+ */
+ protocol = IPProtocols.ICMPV6.getValue();
+ }
+ ipv6ext_proto_msg.put(protocol);
+ return (ipv6ext_proto_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionTOSMatchMsg(byte tos) {
+ ByteBuffer ipv6ext_tos_msg = ByteBuffer.allocate(5);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_IP_TOS.getValue(), 0, 1);
+ ipv6ext_tos_msg.putInt(nxm_header);
+ ipv6ext_tos_msg.put(tos);
+ return (ipv6ext_tos_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionTCPSrcPortMatchMsg(short src_port) {
+ ByteBuffer ipv6ext_tcp_srcport_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_TCP_SRC.getValue(), 0, 2);
+ ipv6ext_tcp_srcport_msg.putInt(nxm_header);
+ ipv6ext_tcp_srcport_msg.putShort(src_port);
+ return (ipv6ext_tcp_srcport_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionTCPDstPortMatchMsg(short dst_port) {
+ ByteBuffer ipv6ext_tcp_dstport_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_TCP_DST.getValue(), 0, 2);
+ ipv6ext_tcp_dstport_msg.putInt(nxm_header);
+ ipv6ext_tcp_dstport_msg.putShort(dst_port);
+ return (ipv6ext_tcp_dstport_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionUDPSrcPortMatchMsg(short src_port) {
+ ByteBuffer ipv6ext_udp_srcport_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_UDP_SRC.getValue(), 0, 2);
+ ipv6ext_udp_srcport_msg.putInt(nxm_header);
+ ipv6ext_udp_srcport_msg.putShort(src_port);
+ return (ipv6ext_udp_srcport_msg.array());
+ }
+
+ private byte[] getIPv6ExtensionUDPDstPortMatchMsg(short dst_port) {
+ ByteBuffer ipv6ext_udp_dstport_msg = ByteBuffer.allocate(6);
+ int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+ OF_Match_Types.MATCH_OF_UDP_DST.getValue(), 0, 2);
+ ipv6ext_udp_dstport_msg.putInt(nxm_header);
+ ipv6ext_udp_dstport_msg.putShort(dst_port);
+ return (ipv6ext_udp_dstport_msg.array());
+ }
+
+ /**
+ * Sets this (V6Match) object's member variables based on a comma-separated
+ * key=value pair similar to OFMatch's fromString.
+ *
+ * @param match
+ * a key=value comma separated string.
+ */
+ @Override
+ public void fromString(String match) throws IllegalArgumentException {
+ if (match.equals("") || match.equalsIgnoreCase("any")
+ || match.equalsIgnoreCase("all") || match.equals("[]")) {
+ match = "OFMatch[]";
+ }
+ String[] tokens = match.split("[\\[,\\]]");
+ String[] values;
+ int initArg = 0;
+ if (tokens[0].equals("OFMatch")) {
+ initArg = 1;
+ }
+ this.wildcards = OFPFW_ALL;
+ int i;
+ for (i = initArg; i < tokens.length; i++) {
+ values = tokens[i].split("=");
+ if (values.length != 2) {
+ throw new IllegalArgumentException("Token " + tokens[i]
+ + " does not have form 'key=value' parsing " + match);
+ }
+ values[0] = values[0].toLowerCase(); // try to make this case insens
+ if (values[0].equals(STR_IN_PORT) || values[0].equals("input_port")) {
+ this.inputPort = U16.t(Integer.valueOf(values[1]));
+ inputPortState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ } else if (values[0].equals(STR_DL_DST)
+ || values[0].equals("eth_dst")) {
+ this.dataLayerDestination = HexEncode
+ .bytesFromHexString(values[1]);
+ dlDestState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 10;
+ } else if (values[0].equals(STR_DL_SRC)
+ || values[0].equals("eth_src")) {
+ this.dataLayerSource = HexEncode.bytesFromHexString(values[1]);
+ dlSourceState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 10;
+ this.wildcards &= ~OFPFW_DL_SRC;
+ } else if (values[0].equals(STR_DL_TYPE)
+ || values[0].equals("eth_type")) {
+ if (values[1].startsWith("0x")) {
+ this.dataLayerType = U16.t(Integer.valueOf(values[1]
+ .replaceFirst("0x", ""), 16));
+ } else {
+
+ this.dataLayerType = U16.t(Integer.valueOf(values[1]));
+ }
+ ethTypeState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ } else if (values[0].equals(STR_DL_VLAN)) {
+ short vlan = U16.t(Integer.valueOf(values[1]));
+ if (this.dlVlanPCPState != MatchFieldState.MATCH_ABSENT &&
+ vlan == OFP_VLAN_NONE) {
+ throw new IllegalArgumentException("DL_VLAN_PCP is set.");
+ }
+ this.dataLayerVirtualLan = vlan;
+ this.dlVlanIDState = MatchFieldState.MATCH_FIELD_ONLY;
+ // the variable dlVlanIDState is not really used as a flag
+ // for serializing and deserializing. Rather it is used as a
+ // flag
+ // to check if the vlan id is being set so that we can set the
+ // dlVlanTCIState appropriately.
+ if (this.dlVlanPCPState != MatchFieldState.MATCH_ABSENT) {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len -= 2;
+ } else if (this.dataLayerVirtualLan == OFP_VLAN_NONE) {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ } else {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.dataLayerVirtualLanTCIMask = 0x1fff;
+ match_len += 8;
+ }
+ this.wildcards &= ~OFPFW_DL_VLAN;
+ } else if (values[0].equals(STR_DL_VLAN_PCP)) {
+ if (this.dlVlanIDState != MatchFieldState.MATCH_ABSENT &&
+ this.dataLayerVirtualLan == OFP_VLAN_NONE) {
+ throw new IllegalArgumentException
+ ("OFP_VLAN_NONE is specified to DL_VLAN.");
+ }
+ this.dataLayerVirtualLanPriorityCodePoint = U8.t(Short
+ .valueOf(values[1]));
+ this.dlVlanPCPState = MatchFieldState.MATCH_FIELD_ONLY;
+ // the variable dlVlanPCPState is not really used as a flag
+ // for serializing and deserializing. Rather it is used as a
+ // flag
+ // to check if the vlan pcp is being set so that we can set the
+ // dlVlanTCIState appropriately.
+ if (this.dlVlanIDState != MatchFieldState.MATCH_ABSENT) {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len -= 2;
+ } else {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.dataLayerVirtualLanTCIMask = 0xf000;
+ match_len += 8;
+ }
+ this.wildcards &= ~OFPFW_DL_VLAN_PCP;
+ } else if (values[0].equals(STR_NW_DST)
+ || values[0].equals("ip_dst")) {
+ try {
+ InetAddress address = null;
+ InetAddress mask = null;
+ if (values[1].contains("/")) {
+ String addressString[] = values[1].split("/");
+ address = InetAddress.getByName(addressString[0]);
+ int masklen = Integer.valueOf(addressString[1]);
+ mask = NetUtils.getInetNetworkMask(masklen, address instanceof Inet6Address);
+ } else {
+ address = InetAddress.getByName(values[1]);
+ }
+ this.setNetworkDestination(address, mask);
+ } catch (UnknownHostException e) {
+ logger.error("", e);
+ }
+ } else if (values[0].equals(STR_NW_SRC)
+ || values[0].equals("ip_src")) {
+ try {
+ InetAddress address = null;
+ InetAddress mask = null;
+ if (values[1].contains("/")) {
+ String addressString[] = values[1].split("/");
+ address = InetAddress.getByName(addressString[0]);
+ int masklen = Integer.valueOf(addressString[1]);
+ mask = NetUtils.getInetNetworkMask(masklen, address instanceof Inet6Address);
+ } else {
+ address = InetAddress.getByName(values[1]);
+ }
+ this.setNetworkSource(address, mask);
+ } catch (UnknownHostException e) {
+ logger.error("", e);
+ }
+ } else if (values[0].equals(STR_NW_PROTO)) {
+ this.networkProtocol = U8.t(Short.valueOf(values[1]));
+ if (!(this.networkProtocol == 0)) {
+ /*
+ * if user selects proto 0, don't use it
+ */
+ nwProtoState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 5;
+ }
+ } else if (values[0].equals(STR_NW_TOS)) {
+ this.networkTypeOfService = U8.t(Short.valueOf(values[1]));
+ nwTosState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 5;
+ } else if (values[0].equals(STR_TP_DST)) {
+ this.transportDestination = U16.t(Integer.valueOf(values[1]));
+ tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ } else if (values[0].equals(STR_TP_SRC)) {
+ this.transportSource = U16.t(Integer.valueOf(values[1]));
+ tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ } else {
+ throw new IllegalArgumentException("unknown token " + tokens[i]
+ + " parsing " + match);
+ }
+ }
+
+ /*
+ * In a V6 extension message action list should be preceded by a padding
+ * of 0 to 7 bytes based upon following formula.
+ */
+
+ pad_size = (short) (((match_len + 7) / 8) * 8 - match_len);
+
+ }
+
+ /**
+ * Write this message's binary format to the specified ByteBuffer
+ *
+ * @param data
+ */
+ @Override
+ public void writeTo(ByteBuffer data) {
+ if (inputPortState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_ingress_port_msg = getIPv6ExtensionPortMatchMsg(this.inputPort);
+ data.put(ipv6ext_ingress_port_msg);
+ }
+ if (ethTypeState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_ether_type_msg = getIPv6ExtensionEtherTypeMatchMsg(this.dataLayerType);
+ data.put(ipv6ext_ether_type_msg);
+ }
+ if (dlDestState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_destmac_msg = getIPv6ExtensionDestMacMatchMsg(this.dataLayerDestination);
+ data.put(ipv6ext_destmac_msg);
+ }
+ if (dlSourceState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_srcmac_msg = getIPv6ExtensionSrcMacMatchMsg(this.dataLayerSource);
+ data.put(ipv6ext_srcmac_msg);
+ }
+ if (dlVlanTCIState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_vlan_tci_msg = getIPv6ExtensionVlanTCIMatchMsg(
+ this.dataLayerVirtualLan,
+ this.dataLayerVirtualLanPriorityCodePoint);
+ data.put(ipv6ext_vlan_tci_msg);
+ } else if (dlVlanTCIState == MatchFieldState.MATCH_FIELD_WITH_MASK) {
+ byte[] ipv6ext_vlan_tci_msg_with_mask = getIPv6ExtensionVlanTCIMatchWithMaskMsg(
+ this.dataLayerVirtualLan,
+ this.dataLayerVirtualLanPriorityCodePoint,
+ this.dataLayerVirtualLanTCIMask);
+ data.put(ipv6ext_vlan_tci_msg_with_mask);
+ }
+ if (nwSrcState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_src_ipv6_msg = getIPv6ExtensionSrcIPv6MatchMsg(this.nwSrc
+ .getAddress());
+ data.put(ipv6ext_src_ipv6_msg);
+ } else if (nwSrcState == MatchFieldState.MATCH_FIELD_WITH_MASK) {
+ byte[] ipv6ext_src_ipv6_with_mask_msg = getIPv6ExtensionSrcIPv6MatchwithMaskMsg(
+ this.nwSrc.getAddress(), this.srcIPv6SubnetMaskbits);
+ data.put(ipv6ext_src_ipv6_with_mask_msg);
+ }
+ if (nwDstState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_dst_ipv6_msg = getIPv6ExtensionDstIPv6MatchMsg(this.nwDst
+ .getAddress());
+ data.put(ipv6ext_dst_ipv6_msg);
+ } else if (nwDstState == MatchFieldState.MATCH_FIELD_WITH_MASK) {
+ byte[] ipv6ext_dst_ipv6_with_mask_msg = getIPv6ExtensionDstIPv6MatchwithMaskMsg(
+ this.nwDst.getAddress(), this.dstIPv6SubnetMaskbits);
+ data.put(ipv6ext_dst_ipv6_with_mask_msg);
+ }
+ if (nwProtoState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_protocol_msg = getIPv6ExtensionProtocolMatchMsg(this.networkProtocol);
+ if (ipv6ext_protocol_msg != null) {
+ data.put(ipv6ext_protocol_msg);
+ }
+ }
+ if (nwTosState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_tos_msg = getIPv6ExtensionTOSMatchMsg(this.networkTypeOfService);
+ data.put(ipv6ext_tos_msg);
+ }
+ if (tpSrcState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_srcport_msg = null;
+ if (this.networkProtocol == IPProtocols.TCP.getValue()) {
+ ipv6ext_srcport_msg = getIPv6ExtensionTCPSrcPortMatchMsg(this.transportSource);
+ } else if (this.networkProtocol == IPProtocols.UDP.getValue()) {
+ ipv6ext_srcport_msg = getIPv6ExtensionUDPSrcPortMatchMsg(this.transportSource);
+ }
+ if (ipv6ext_srcport_msg != null) {
+ data.put(ipv6ext_srcport_msg);
+ }
+ }
+ if (tpDstState == MatchFieldState.MATCH_FIELD_ONLY) {
+ byte[] ipv6ext_dstport_msg = null;
+ if (this.networkProtocol == IPProtocols.TCP.getValue()) {
+ ipv6ext_dstport_msg = getIPv6ExtensionTCPDstPortMatchMsg(this.transportDestination);
+ } else if (this.networkProtocol == IPProtocols.UDP.getValue()) {
+ ipv6ext_dstport_msg = getIPv6ExtensionUDPDstPortMatchMsg(this.transportDestination);
+ }
+ if (ipv6ext_dstport_msg != null) {
+ data.put(ipv6ext_dstport_msg);
+ }
+ }
+ logger.trace("{}", this);
+ }
+
+ private void readInPort(ByteBuffer data, int nxmLen, boolean hasMask) {
+ if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask)) {
+ /*
+ * mask is not allowed for inport port
+ */
+ return;
+ }
+ super.setInputPort(data.getShort());
+ this.inputPortState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.wildcards ^= (1 << 0); // Sync with 0F 1.0 Match
+ this.match_len += 6;
+ }
+
+ private void readDataLinkDestination(ByteBuffer data, int nxmLen,
+ boolean hasMask) {
+ if (hasMask) {
+ if ((nxmLen != 2 * 6) || (data.remaining() < 2 * 6)) {
+ return;
+ } else {
+ byte[] bytes = new byte[6];
+ data.get(bytes);
+ super.setDataLayerDestination(bytes);
+ this.dataLayerDestinationMask = new byte[6];
+ data.get(this.dataLayerDestinationMask);
+ this.dlDestState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 16;
+ }
+ } else {
+ if ((nxmLen != 6) || (data.remaining() < 6)) {
+ return;
+ } else {
+ byte[] bytes = new byte[6];
+ data.get(bytes);
+ super.setDataLayerDestination(bytes);
+ this.dlDestState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 10;
+ }
+ }
+ this.wildcards ^= (1 << 3); // Sync with 0F 1.0 Match
+ }
+
+ private void readDataLinkSource(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in data link source
+ */
+ if ((nxmLen != 6) || (data.remaining() < 6) || (hasMask)) {
+ return;
+ }
+ byte[] bytes = new byte[6];
+ data.get(bytes);
+ super.setDataLayerSource(bytes);
+ this.dlSourceState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 10;
+ this.wildcards ^= (1 << 2); // Sync with 0F 1.0 Match
+ }
+
+ private void readEtherType(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in ethertype
+ */
+ if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask)) {
+ return;
+ }
+ super.setDataLayerType(data.getShort());
+ this.ethTypeState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.wildcards ^= (1 << 4); // Sync with 0F 1.0 Match
+ this.match_len += 6;
+ }
+
+ private short getVlanID(byte firstByte, byte secondByte) {
+ short vlan_id_mask_firstByte = 0x0f;// this is the mask for the first
+ // byte
+ short vlan_id_mask_secondByte = 0xff;// this is the mask for the second
+ // byte
+ int vlanPart1 = (firstByte & vlan_id_mask_firstByte) << 8;
+ int vlanPart2 = secondByte & vlan_id_mask_secondByte;
+ return (short) (vlanPart1 + vlanPart2);
+ }
+
+ private byte getVlanPCP(byte pcpByte) {
+ short vlan_pcp_mask = 0xe0;// this is the vlan pcp mask
+ int pcp_int = pcpByte & vlan_pcp_mask;
+ return (byte) (pcp_int >> 5);
+ }
+
+ private void readVlanTci(ByteBuffer data, int nxmLen, boolean hasMask) {
+ if (hasMask) {
+ if ((nxmLen != 2 * 2) || (data.remaining() < 2 * 2)) {
+ return;
+ }
+ else {
+ byte firstByte = data.get();
+ byte secondByte = data.get();
+ this.dataLayerVirtualLanTCIMask = data.getShort() & 0xffff; // we
+ // need
+ // the
+ // last
+ // 16
+ // bits
+ // check the mask now
+ if ((this.dataLayerVirtualLanTCIMask & 0x0fff) != 0) {
+ // if its a vlan id mask
+ // extract the vlan id
+ super.setDataLayerVirtualLan(getVlanID(firstByte,
+ secondByte));
+ this.wildcards ^= (1 << 1); // Sync with 0F 1.0 Match
+ }
+ if ((this.dataLayerVirtualLanTCIMask & 0xe000) != 0) {
+ // else if its a vlan pcp mask
+ // extract the vlan pcp
+ super.setDataLayerVirtualLanPriorityCodePoint(getVlanPCP(firstByte));
+ this.wildcards ^= (1 << 20);
+ }
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 8;
+ }
+ } else {
+ if ((nxmLen != 2) || (data.remaining() < 2)) {
+ return;
+ }
+ else {
+ // get the vlan pcp
+ byte firstByte = data.get();
+ byte secondByte = data.get();
+ if (firstByte == 0 && secondByte == 0) {
+ // Match only packets without VLAN tag.
+ setDataLayerVirtualLan(OFP_VLAN_NONE);
+ } else if (((firstByte << 8) & VLAN_TCI_CFI) == 0) {
+ // Ignore invalid TCI field.
+ return;
+ } else {
+ super.setDataLayerVirtualLanPriorityCodePoint(getVlanPCP(firstByte));
+ super.setDataLayerVirtualLan(getVlanID(firstByte, secondByte));
+ this.wildcards ^= (1 << 20);
+ }
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ this.wildcards ^= (1 << 1); // Sync with 0F 1.0 Match
+ }
+ }
+ }
+
+ private void readIpTos(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in IP TOS
+ */
+ if ((nxmLen != 1) || (data.remaining() < 1) || (hasMask)) {
+ return;
+ }
+ super.setNetworkTypeOfService(data.get());
+ this.nwTosState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 5;
+ this.wildcards ^= (1 << 21); // Sync with 0F 1.0 Match
+ }
+
+ private void readIpProto(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in IP protocol
+ */
+ if ((nxmLen != 1) || (data.remaining() < 1) || (hasMask)) {
+ return;
+ }
+ super.setNetworkProtocol(data.get());
+ this.nwProtoState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 5;
+ this.wildcards ^= (1 << 5); // Sync with 0F 1.0 Match
+ }
+
+ private void readIpv4Src(ByteBuffer data, int nxmLen, boolean hasMask) {
+ if (hasMask) {
+ if ((nxmLen != 2 * 4) || (data.remaining() < 2 * 4)) {
+ return;
+ } else {
+ byte[] sbytes = new byte[4];
+ data.get(sbytes);
+ // For compatibility, let's set the IPv4 in the parent OFMatch
+ int address = NetUtils.byteArray4ToInt(sbytes);
+ super.setNetworkSource(address);
+ byte[] mbytes = new byte[4];
+ data.get(mbytes);
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 12;
+ int prefixlen = getNetworkMaskPrefixLength(mbytes);
+ this.wildcards ^= (((1 << 6) - 1) << 8); // Sync with 0F 1.0 Match
+ this.wildcards |= ((32 - prefixlen) << 8); // Sync with 0F 1.0 Match
+ }
+ } else {
+ if ((nxmLen != 4) || (data.remaining() < 4)) {
+ return;
+ } else {
+ byte[] sbytes = new byte[4];
+ data.get(sbytes);
+ // For compatibility, let's also set the IPv4 in the parent OFMatch
+ int address = NetUtils.byteArray4ToInt(sbytes);
+ super.setNetworkSource(address);
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 8;
+ this.wildcards ^= (((1 << 6) - 1) << 8); // Sync with 0F 1.0
+ // Match
+ }
+ }
+ }
+
+ private void readIpv4Dst(ByteBuffer data, int nxmLen, boolean hasMask) {
+ if (hasMask) {
+ if ((nxmLen != 2 * 4) || (data.remaining() < 2 * 4)) {
+ return;
+ } else {
+ byte[] dbytes = new byte[4];
+ data.get(dbytes);
+ // For compatibility, let's also set the IPv4 in the parent OFMatch
+ int address = NetUtils.byteArray4ToInt(dbytes);
+ super.setNetworkDestination(address);
+ byte[] mbytes = new byte[4];
+ data.get(mbytes);
+ this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 12;
+ int prefixlen = getNetworkMaskPrefixLength(mbytes);
+ this.wildcards ^= (((1 << 6) - 1) << 14); // Sync with 0F 1.0
+ // Match
+ this.wildcards |= ((32 - prefixlen) << 14); // Sync with 0F 1.0
+ // Match
+ }
+ } else {
+ if ((nxmLen != 4) || (data.remaining() < 4)) {
+ return;
+ } else {
+ byte[] dbytes = new byte[4];
+ data.get(dbytes);
+ int address = NetUtils.byteArray4ToInt(dbytes);
+ super.setNetworkDestination(address);
+ this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.wildcards ^= (((1 << 6) - 1) << 14); // Sync with 0F 1.0
+ // Match
+ this.match_len += 8;
+ }
+ }
+ }
+
+ private void readTcpSrc(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in TCP SRC
+ */
+ if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask)) {
+ return;
+ }
+ super.setTransportSource(data.getShort());
+ this.tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ this.wildcards ^= (1 << 6); // Sync with 0F 1.0 Match
+ }
+
+ private void readTcpDst(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in TCP DST
+ */
+ if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask)) {
+ return;
+ }
+ super.setTransportDestination(data.getShort());
+ this.tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ this.wildcards ^= (1 << 7); // Sync with 0F 1.0 Match
+ }
+
+ private void readUdpSrc(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in UDP SRC
+ */
+ if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask)) {
+ return;
+ }
+ super.setTransportSource(data.getShort());
+ this.tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ this.wildcards ^= (1 << 6); // Sync with 0F 1.0 Match
+ }
+
+ private void readUdpDst(ByteBuffer data, int nxmLen, boolean hasMask) {
+ /*
+ * mask is not allowed in UDP DST
+ */
+ if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask)) {
+ return;
+ }
+ super.setTransportDestination(data.getShort());
+ this.tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ this.wildcards ^= (1 << 7); // Sync with 0F 1.0 Match
+ }
+
+ private void readIpv6Src(ByteBuffer data, int nxmLen, boolean hasMask) {
+ if (hasMask) {
+ if ((nxmLen != 2 * 16) || (data.remaining() < 2 * 16)) {
+ return;
+ } else {
+ byte[] sbytes = new byte[16];
+ data.get(sbytes);
+ try {
+ this.nwSrc = (Inet6Address) InetAddress.getByAddress(sbytes);
+ } catch (UnknownHostException e) {
+ return;
+ }
+ byte[] mbytes = new byte[16];
+ data.get(mbytes);
+ this.srcIPv6SubnetMaskbits = (short)NetUtils.getSubnetMaskLength(mbytes);
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 36;
+ }
+ } else {
+ if ((nxmLen != 16) || (data.remaining() < 16)) {
+ return;
+ } else {
+ byte[] sbytes = new byte[16];
+ data.get(sbytes);
+ try {
+ this.nwSrc = (Inet6Address) InetAddress.getByAddress(sbytes);
+ } catch (UnknownHostException e) {
+ return;
+ }
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 20;
+ }
+ }
+ }
+
+ private void readIpv6Dst(ByteBuffer data, int nxmLen, boolean hasMask) {
+ if (hasMask) {
+ if ((nxmLen != 2 * 16) || (data.remaining() < 2 * 16)) {
+ return;
+ } else {
+ byte[] dbytes = new byte[16];
+ data.get(dbytes);
+ try {
+ this.nwDst = (Inet6Address) InetAddress.getByAddress(dbytes);
+ } catch (UnknownHostException e) {
+ return;
+ }
+ byte[] mbytes = new byte[16];
+ data.get(mbytes);
+ this.dstIPv6SubnetMaskbits = (short)NetUtils.getSubnetMaskLength(mbytes);
+ this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 36;
+ }
+ } else {
+ if ((nxmLen != 16) || (data.remaining() < 16)) {
+ return;
+ } else {
+ byte[] dbytes = new byte[16];
+ data.get(dbytes);
+ try {
+ this.nwDst = (Inet6Address) InetAddress.getByAddress(dbytes);
+ } catch (UnknownHostException e) {
+ return;
+ }
+ this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 20;
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "V6Match [nwSrc=" + nwSrc + ", nwDst=" + nwDst
+ + ", inputPortMask=" + inputPortMask + ", dataLayerSourceMask="
+ + HexEncode.bytesToHexStringFormat(dataLayerSourceMask)
+ + ", dataLayerDestinationMask="
+ + HexEncode.bytesToHexStringFormat(dataLayerDestinationMask)
+ + ", dataLayerVirtualLanTCIMask=" + dataLayerVirtualLanTCIMask
+ + ", dataLayerTypeMask=" + dataLayerTypeMask
+ + ", networkTypeOfServiceMask=" + networkTypeOfServiceMask
+ + ", networkProtocolMask=" + networkProtocolMask
+ + ", transportSourceMask=" + transportSourceMask
+ + ", transportDestinationMask=" + transportDestinationMask
+ + ", srcIPv6SubnetMaskbits=" + srcIPv6SubnetMaskbits
+ + ", dstIPv6SubnetMaskbits=" + dstIPv6SubnetMaskbits
+ + ", inputPortState=" + inputPortState + ", dlSourceState="
+ + dlSourceState + ", dlDestState=" + dlDestState
+ + ", dlVlanTCIState=" + dlVlanTCIState + ", ethTypeState="
+ + ethTypeState + ", nwTosState=" + nwTosState
+ + ", nwProtoState=" + nwProtoState + ", nwSrcState="
+ + nwSrcState + ", nwDstState=" + nwDstState + ", tpSrcState="
+ + tpSrcState + ", tpDstState=" + tpDstState + ", match_len="
+ + match_len + ", pad_size=" + pad_size + "]";
+ }
+
+ /**
+ * Read the data corresponding to the match field (received from the wire)
+ * Input: data: match field(s). Since match field is of variable length, the
+ * whole data that are passed in are assumed to fem0tbd.be the match fields.
+ *
+ * @param data
+ */
+ @Override
+ public void readFrom(ByteBuffer data) {
+ readFromInternal(data);
+ postprocessWildCardInfo();
+ }
+
+ private void readFromInternal(ByteBuffer data) {
+ this.match_len = 0;
+ while (data.remaining() > 0) {
+ if (data.remaining() < 4) {
+ /*
+ * at least 4 bytes for each match header
+ */
+ logger.error("Invalid Vendor Extension Header. Size {}",
+ data.remaining());
+ return;
+ }
+ /*
+ * read the 4 byte match header
+ */
+ int nxmVendor = data.getShort();
+ int b = data.get();
+ int nxmField = b >> 1;
+ boolean hasMask = ((b & 0x01) == 1) ? true : false;
+ int nxmLen = data.get();
+ if (nxmVendor == Extension_Types.OF_10.getValue()) {
+ if (nxmField == OF_Match_Types.MATCH_OF_IN_PORT.getValue()) {
+ readInPort(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_ETH_DST
+ .getValue()) {
+ readDataLinkDestination(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_ETH_SRC
+ .getValue()) {
+ readDataLinkSource(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_ETH_TYPE
+ .getValue()) {
+ readEtherType(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_VLAN_TCI
+ .getValue()) {
+ readVlanTci(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_IP_TOS
+ .getValue()) {
+ readIpTos(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_IP_PROTO
+ .getValue()) {
+ readIpProto(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_IP_SRC
+ .getValue()) {
+ readIpv4Src(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_IP_DST
+ .getValue()) {
+ readIpv4Dst(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_TCP_SRC
+ .getValue()) {
+ readTcpSrc(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_TCP_DST
+ .getValue()) {
+ readTcpDst(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_UDP_SRC
+ .getValue()) {
+ readUdpSrc(data, nxmLen, hasMask);
+ } else if (nxmField == OF_Match_Types.MATCH_OF_UDP_DST
+ .getValue()) {
+ readUdpDst(data, nxmLen, hasMask);
+ } else {
+ // unexpected nxmField
+ return;
+ }
+ } else if (nxmVendor == Extension_Types.IPV6EXT.getValue()) {
+ if (nxmField == IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_SRC
+ .getValue()) {
+ readIpv6Src(data, nxmLen, hasMask);
+ } else if (nxmField == IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_DST
+ .getValue()) {
+ readIpv6Dst(data, nxmLen, hasMask);
+ } else {
+ // unexpected nxmField
+ return;
+ }
+ } else {
+ // invalid nxmVendor
+ return;
+ }
+ }
+ }
+
+ private void postprocessWildCardInfo() {
+ // Sync with 0F 1.0 Match
+ if (super.getDataLayerType() == 0x800) {
+ if (((this.wildcards >> 8) & 0x3f) == 0x3f) {
+ // ipv4 src processing
+ this.wildcards ^= (((1 << 5) - 1) << 8);
+ }
+ if (((this.wildcards >> 14) & 0x3f) == 0x3f) {
+ // ipv4 dest processing
+ this.wildcards ^= (((1 << 5) - 1) << 14);
+ }
+ }
+ }
+
+ @Override
+ public V6Match clone() {
+
+ V6Match ret = (V6Match) super.clone();
+ try {
+ if (this.nwSrc != null) {
+ ret.nwSrc = (Inet6Address) InetAddress.getByAddress(this.nwSrc.getAddress());
+ }
+ if (this.nwDst != null) {
+ ret.nwDst = (Inet6Address) InetAddress.getByAddress(this.nwDst.getAddress());
+ }
+ return ret;
+ } catch (UnknownHostException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Get nw_dst
+ *
+ * @return
+ */
+ public Inet6Address getNetworkDest() {
+ return this.nwDst;
+ }
+
+ /**
+ * Set nw_src
+ *
+ * @return
+ */
+ public Inet6Address getNetworkSrc() {
+ return this.nwSrc;
+ }
+
+ private int getNetworkMaskPrefixLength(byte[] netMask) {
+ ByteBuffer nm = ByteBuffer.wrap(netMask);
+ int trailingZeros = Integer.numberOfTrailingZeros(nm.getInt());
+ return 32 - trailingZeros;
+ }
+
+ public short getInputPortMask() {
+ return inputPortMask;
+ }
+
+ public void setInputPort(short port, short mask) {
+ super.inputPort = port;
+ this.inputPortState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ // Looks like mask is not allowed for input port. Will discard it
+ }
+
+ public byte[] getDataLayerSourceMask() {
+ return dataLayerSourceMask;
+ }
+
+ public void setDataLayerSource(byte[] mac, byte[] mask) {
+ if (mac != null) {
+ System.arraycopy(mac, 0, super.dataLayerSource, 0, mac.length);
+ }
+ if (mask == null) {
+ this.dlSourceState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 10;
+ } else {
+ if (this.dataLayerSourceMask == null) {
+ this.dataLayerSourceMask = new byte[mask.length];
+ }
+ System.arraycopy(mask, 0, this.dataLayerSourceMask, 0, mask.length);
+ this.dlSourceState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 16;
+ }
+ }
+
+ public byte[] getDataLayerDestinationMask() {
+ return dataLayerDestinationMask;
+ }
+
+ public void setDataLayerDestination(byte[] mac, byte[] mask) {
+ if (mac != null) {
+ System.arraycopy(mac, 0, super.dataLayerDestination, 0, mac.length);
+ }
+ if (mask == null) {
+ this.dlDestState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 10;
+ } else {
+ if (this.dataLayerDestinationMask == null) {
+ this.dataLayerDestinationMask = new byte[mask.length];
+ }
+ System.arraycopy(mask, 0, this.dataLayerDestinationMask, 0,
+ mask.length);
+ this.dlDestState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 16;
+ }
+ }
+
+ /**
+ * Set a value to VLAN ID match field.
+ *
+ * @param vlan A value to match for VLAN ID.
+ * @param mask A bitmask for VLAN ID.
+ */
+ public void setDataLayerVirtualLan(short vlan, short mask) {
+ if (vlan == OFP_VLAN_NONE
+ && this.dlVlanIDState != MatchFieldState.MATCH_ABSENT) {
+ throw new IllegalStateException
+ ("DL_VLAN_PCP is set.");
+ }
+
+ // mask is ignored as the code sets the appropriate mask
+ super.dataLayerVirtualLan = vlan;
+ this.dlVlanIDState = MatchFieldState.MATCH_FIELD_ONLY;
+ // the variable dlVlanIDState is not really used as a flag
+ // for serializing and deserializing. Rather it is used as a flag
+ // to check if the vlan id is being set so that we can set the
+ // dlVlanTCIState appropriately.
+ if (this.dlVlanPCPState != MatchFieldState.MATCH_ABSENT) {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len -= 2;
+ } else if (this.dataLayerVirtualLan == OFP_VLAN_NONE) {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 6;
+ } else {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.dataLayerVirtualLanTCIMask = 0x1fff;
+ match_len += 8;
+ }
+ }
+
+ /**
+ * Set a value to VLAN PCP match field.
+ *
+ * @param pcp A value to match for VLAN PCP.
+ * @param mask A bitmask for VLAN PCP.
+ */
+ public void setDataLayerVirtualLanPriorityCodePoint(byte pcp, byte mask) {
+ if (this.dlVlanIDState != MatchFieldState.MATCH_ABSENT
+ && this.dataLayerVirtualLan == OFP_VLAN_NONE) {
+ throw new IllegalStateException
+ ("OFP_VLAN_NONE is specified to DL_VLAN.");
+ }
+
+ // mask is ignored as the code sets the appropriate mask
+ super.dataLayerVirtualLanPriorityCodePoint = pcp;
+ this.dlVlanPCPState = MatchFieldState.MATCH_FIELD_ONLY;
+ // the variable dlVlanPCPState is not really used as a flag
+ // for serializing and deserializing. Rather it is used as a flag
+ // to check if the vlan pcp is being set so that we can set the
+ // dlVlanTCIState appropriately.
+ if (this.dlVlanIDState != MatchFieldState.MATCH_ABSENT) {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len -= 2;
+ } else {
+ this.dlVlanTCIState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.dataLayerVirtualLanTCIMask = 0xf000;
+ match_len += 8;
+ }
+ }
+
+ public void setDataLayerType(short ethType, short mask) {
+ // mask not allowed
+ super.dataLayerType = ethType;
+ this.ethTypeState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ }
+
+ public void setNetworkTypeOfService(byte tos, byte mask) {
+ // mask not allowed
+ super.networkTypeOfService = tos;
+ this.nwTosState = MatchFieldState.MATCH_FIELD_ONLY;
+ match_len += 5;
+ }
+
+ public void setNetworkProtocol(byte ipProto, byte mask) {
+ // mask not allowed
+ super.networkProtocol = ipProto;
+ this.nwProtoState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 5;
+ }
+
+ public Inet6Address getNetworkSourceMask() {
+ return (this.nwSrcState == MatchFieldState.MATCH_FIELD_WITH_MASK) ? (Inet6Address) NetUtils.getInetNetworkMask(
+ this.srcIPv6SubnetMaskbits, true) : null;
+ }
+
+ public void setNetworkSource(InetAddress address, InetAddress mask) {
+ if (address instanceof Inet6Address) {
+ this.nwSrc = (Inet6Address) address;
+ if (mask == null) {
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += (address instanceof Inet6Address) ? 20 : 8;
+ } else {
+ this.srcIPv6SubnetMaskbits = (short)NetUtils.getSubnetMaskLength(mask);
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += (address instanceof Inet6Address) ? 36 : 12;
+ }
+ } else {
+ super.setNetworkSource(NetUtils.byteArray4ToInt(address.getAddress()));
+ this.wildcards ^= (((1 << 6) - 1) << 8);
+ if (mask == null) {
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 8;
+ } else {
+ this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 12;
+ this.wildcards |= ((32 - NetUtils.getSubnetMaskLength(mask)) << 8);
+ }
+ }
+ }
+
+ public Inet6Address getNetworkDestinationMask() {
+ return (this.nwDstState == MatchFieldState.MATCH_FIELD_WITH_MASK) ? (Inet6Address) NetUtils.getInetNetworkMask(
+ this.dstIPv6SubnetMaskbits, true) : null;
+ }
+
+ public void setNetworkDestination(InetAddress address, InetAddress mask) {
+ if (address instanceof Inet6Address) {
+ this.nwDst = (Inet6Address) address;
+ if (mask == null) {
+ this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += (address instanceof Inet6Address) ? 20 : 8;
+ } else {
+ this.dstIPv6SubnetMaskbits = (short)NetUtils.getSubnetMaskLength(mask);
+ this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += (address instanceof Inet6Address) ? 36 : 12;
+ }
+ } else {
+ this.setNetworkDestination(NetUtils.byteArray4ToInt(address.getAddress()));
+ this.wildcards ^= (((1 << 6) - 1) << 14);
+ if (mask == null) {
+ this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 8;
+ } else {
+ this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+ this.match_len += 12;
+ this.wildcards |= ((32 - NetUtils.getSubnetMaskLength(mask)) << 14);
+ }
+ }
+ }
+
+ public void setTransportSource(short tpSrc, short mask) {
+ // mask not allowed
+ super.transportSource = tpSrc;
+ this.tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ }
+
+ public short getTransportDestinationMask() {
+ return transportDestinationMask;
+ }
+
+ public void setTransportDestination(short tpDst, short mask) {
+ // mask not allowed
+ super.transportDestination = tpDst;
+ this.tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+ this.match_len += 6;
+ }
+
+ private byte[] getIPv6NetworkMaskinBytes(short num) {
+ byte[] nbytes = new byte[16];
+ int quot = num / 8;
+ int bits = num % 8;
+ int i;
+
+ for (i = 0; i < quot; i++) {
+ nbytes[i] = (byte) 0xff;
+ }
+
+ if (bits > 0) {
+ nbytes[i] = (byte) 0xff;
+ nbytes[i] <<= 8 - bits;
+ }
+ return nbytes;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = super.hashCode();
+ result = prime * result + Arrays.hashCode(dataLayerDestinationMask);
+ result = prime * result + Arrays.hashCode(dataLayerSourceMask);
+ result = prime * result + dataLayerTypeMask;
+ result = prime * result + dataLayerVirtualLanTCIMask;
+ result = prime * result
+ + ((dlDestState == null) ? 0 : dlDestState.hashCode());
+ result = prime * result
+ + ((dlSourceState == null) ? 0 : dlSourceState.hashCode());
+ result = prime * result
+ + ((dlVlanTCIState == null) ? 0 : dlVlanTCIState.hashCode());
+ result = prime * result + dstIPv6SubnetMaskbits;
+ result = prime * result
+ + ((ethTypeState == null) ? 0 : ethTypeState.hashCode());
+ result = prime * result + inputPortMask;
+ result = prime * result
+ + ((inputPortState == null) ? 0 : inputPortState.hashCode());
+ result = prime * result + match_len;
+ result = prime * result + networkProtocolMask;
+ result = prime * result + networkTypeOfServiceMask;
+ result = prime * result + ((nwDst == null) ? 0 : nwDst.hashCode());
+ result = prime * result
+ + ((nwDstState == null) ? 0 : nwDstState.hashCode());
+ result = prime * result
+ + ((nwProtoState == null) ? 0 : nwProtoState.hashCode());
+ result = prime * result + ((nwSrc == null) ? 0 : nwSrc.hashCode());
+ result = prime * result
+ + ((nwSrcState == null) ? 0 : nwSrcState.hashCode());
+ result = prime * result
+ + ((nwTosState == null) ? 0 : nwTosState.hashCode());
+ result = prime * result + pad_size;
+ result = prime * result + srcIPv6SubnetMaskbits;
+ result = prime * result
+ + ((tpDstState == null) ? 0 : tpDstState.hashCode());
+ result = prime * result
+ + ((tpSrcState == null) ? 0 : tpSrcState.hashCode());
+ result = prime * result + transportDestinationMask;
+ result = prime * result + transportSourceMask;
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!super.equals(obj)) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ V6Match other = (V6Match) obj;
+ if (!Arrays.equals(dataLayerDestinationMask, other.dataLayerDestinationMask)) {
+ return false;
+ }
+ if (!Arrays.equals(dataLayerSourceMask, other.dataLayerSourceMask)) {
+ return false;
+ }
+ if (dataLayerTypeMask != other.dataLayerTypeMask) {
+ return false;
+ }
+ if (dataLayerVirtualLanTCIMask != other.dataLayerVirtualLanTCIMask) {
+ return false;
+ }
+ if (dlVlanTCIState != other.dlVlanTCIState) {
+ return false;
+ }
+ if (dlSourceState != other.dlSourceState) {
+ return false;
+ }
+ if (dstIPv6SubnetMaskbits != other.dstIPv6SubnetMaskbits) {
+ return false;
+ }
+ if (ethTypeState != other.ethTypeState) {
+ return false;
+ }
+ if (inputPortMask != other.inputPortMask) {
+ return false;
+ }
+ if (inputPortState != other.inputPortState) {
+ return false;
+ }
+ if (match_len != other.match_len) {
+ return false;
+ }
+ if (networkProtocolMask != other.networkProtocolMask) {
+ return false;
+ }
+ if (networkTypeOfServiceMask != other.networkTypeOfServiceMask) {
+ return false;
+ }
+ if (nwDst == null) {
+ if (other.nwDst != null) {
+ return false;
+ }
+ } else if (!nwDst.equals(other.nwDst)) {
+ return false;
+ }
+ if (nwDstState != other.nwDstState) {
+ return false;
+ }
+ if (nwProtoState != other.nwProtoState) {
+ return false;
+ }
+ if (nwSrc == null) {
+ if (other.nwSrc != null) {
+ return false;
+ }
+ } else if (!nwSrc.equals(other.nwSrc)) {
+ return false;
+ }
+ if (nwSrcState != other.nwSrcState) {
+ return false;
+ }
+ if (nwTosState != other.nwTosState) {
+ return false;
+ }
+ if (pad_size != other.pad_size) {
+ return false;
+ }
+ if (srcIPv6SubnetMaskbits != other.srcIPv6SubnetMaskbits) {
+ return false;
+ }
+ if (tpDstState != other.tpDstState) {
+ return false;
+ }
+ if (tpSrcState != other.tpSrcState) {
+ return false;
+ }
+ if (transportDestinationMask != other.transportDestinationMask) {
+ return false;
+ }
+ if (transportSourceMask != other.transportSourceMask) {
+ return false;
+ }
+ return true;
+ }
+}
Code Review / controller.git / blobdiff