Bump upstreams
[openflowplugin.git] / extension / openflowjava-extension-nicira / src / main / java / org / opendaylight / openflowjava / nx / codec / action / ConntrackCodec.java
index 624b0248994dca95388cf69b54cce8ecba28b807..a44a4c865493fb8d56d075dc4c02e7a4099098c9 100644 (file)
@@ -5,15 +5,15 @@
  * 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.openflowjava.nx.codec.action;
 
-import io.netty.buffer.ByteBuf;
+import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint16;
+import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint32;
+import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint8;
 
-import java.net.InetAddress;
+import io.netty.buffer.ByteBuf;
 import java.util.ArrayList;
 import java.util.List;
-
 import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey;
 import org.opendaylight.openflowjava.nx.api.NiciraActionSerializerKey;
 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
@@ -22,28 +22,28 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.NxActionNatRangePresent;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionConntrack;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionConntrackBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.aug.nx.action.ActionConntrack;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.aug.nx.action.ActionConntrackBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.conntrack.grouping.NxActionConntrackBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.conntrack.grouping.nx.action.conntrack.CtActions;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.conntrack.grouping.nx.action.conntrack.CtActionsBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.NxActionCtMarkCase;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.NxActionNatCase;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.NxActionCtMarkCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.NxActionNatCase;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.NxActionNatCaseBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.nx.action.ct.mark._case.NxActionCtMark;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.nx.action.nat._case.NxActionNat;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.nx.action.ct.mark._case.NxActionCtMarkBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.nx.action.nat._case.NxActionNat;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofpact.actions.ofpact.actions.nx.action.nat._case.NxActionNatBuilder;
+import org.opendaylight.yangtools.yang.common.Uint16;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.net.InetAddresses;
-
 /**
+ * Action codec for conntrack.
+ *
  * @author Aswin Suryanarayanan.
  */
-
 public class ConntrackCodec extends AbstractActionCodec {
     private static final Logger LOG = LoggerFactory.getLogger(ConntrackCodec.class);
     public static final int CT_LENGTH = 24;
@@ -58,9 +58,9 @@ public class ConntrackCodec extends AbstractActionCodec {
     public static final byte NXAST_CONNTRACK_SUBTYPE = 35;
     public static final byte NXAST_NAT_SUBTYPE = 36;
     public static final NiciraActionSerializerKey SERIALIZER_KEY =
-            new NiciraActionSerializerKey(EncodeConstants.OF13_VERSION_ID, ActionConntrack.class);
+            new NiciraActionSerializerKey(EncodeConstants.OF_VERSION_1_3, ActionConntrack.class);
     public static final NiciraActionDeserializerKey DESERIALIZER_KEY =
-            new NiciraActionDeserializerKey(EncodeConstants.OF13_VERSION_ID, NXAST_CONNTRACK_SUBTYPE);
+            new NiciraActionDeserializerKey(EncodeConstants.OF_VERSION_1_3, NXAST_CONNTRACK_SUBTYPE);
 
     @Override
     public void serialize(final Action input, final ByteBuf outBuffer) {
@@ -78,7 +78,7 @@ public class ConntrackCodec extends AbstractActionCodec {
         serializeCtAction(outBuffer,action);
     }
 
-    private int getActionLength(final ActionConntrack action) {
+    private static int getActionLength(final ActionConntrack action) {
         int length = 0;
         List<CtActions> ctActionsList = action.getNxActionConntrack().getCtActions();
         if (ctActionsList == null) {
@@ -89,7 +89,7 @@ public class ConntrackCodec extends AbstractActionCodec {
                 NxActionNatCase nxActionNatCase = (NxActionNatCase)ctActions.getOfpactActions();
                 NxActionNat natAction = nxActionNatCase.getNxActionNat();
                 int natLength = getNatActionLength(natAction);
-                int pad = 8 - (natLength % 8);
+                int pad = 8 - natLength % 8;
                 length += natLength + pad;
             } else if (ctActions.getOfpactActions() instanceof NxActionCtMarkCase) {
                 length += SET_FIELD_LENGTH;
@@ -99,7 +99,7 @@ public class ConntrackCodec extends AbstractActionCodec {
         return length;
     }
 
-    private int getNatActionLength(final NxActionNat natAction) {
+    private static int getNatActionLength(final NxActionNat natAction) {
         int natLength = NX_NAT_LENGTH;
         short rangePresent = natAction.getRangePresent().shortValue();
         if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEIPV4MIN.getIntValue())) {
@@ -115,43 +115,36 @@ public class ConntrackCodec extends AbstractActionCodec {
             natLength += SHORT_LENGTH;
         }
         return natLength;
-
     }
 
-    private void serializeCtAction(final ByteBuf outBuffer, final ActionConntrack action) {
+    private static void serializeCtAction(final ByteBuf outBuffer, final ActionConntrack action) {
         List<CtActions> ctActionsList = action.getNxActionConntrack().getCtActions();
         if (ctActionsList != null) {
             for (CtActions ctActions : ctActionsList) {
-                if (ctActions.getOfpactActions() instanceof NxActionNatCase){
+                if (ctActions.getOfpactActions() instanceof NxActionNatCase) {
                     NxActionNatCase nxActionNatCase = (NxActionNatCase)ctActions.getOfpactActions();
                     NxActionNat natAction = nxActionNatCase.getNxActionNat();
                     int natLength = getNatActionLength(natAction);
-                    int pad = 8 - (natLength % 8);
+                    int pad = 8 - natLength % 8;
                     serializeHeader(natLength + pad, NXAST_NAT_SUBTYPE, outBuffer);
                     outBuffer.writeZero(2);
                     outBuffer.writeShort(natAction.getFlags().shortValue());
                     short rangePresent = natAction.getRangePresent().shortValue();
                     outBuffer.writeShort(rangePresent);
                     if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEIPV4MIN.getIntValue())) {
-                        if (null != natAction.getIpAddressMin()) {
-                            outBuffer.writeBytes(IetfInetUtil.INSTANCE.ipv4AddressBytes(natAction
-                                    .getIpAddressMin().getIpv4Address()));
-                        }
+                        writeIpv4Address(outBuffer, natAction.getIpAddressMin());
                     }
                     if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEIPV4MAX.getIntValue())) {
-                        if (null != natAction.getIpAddressMax()) {
-                            outBuffer.writeBytes(IetfInetUtil.INSTANCE.ipv4AddressBytes(natAction
-                                    .getIpAddressMax().getIpv4Address()));
-                        }
+                        writeIpv4Address(outBuffer, natAction.getIpAddressMax());
                     }
                     if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEPROTOMIN.getIntValue())) {
-                        outBuffer.writeShort(natAction.getPortMin());
+                        outBuffer.writeShort(natAction.getPortMin().toJava());
                     }
                     if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEPROTOMAX.getIntValue())) {
-                        outBuffer.writeShort(natAction.getPortMax());
+                        outBuffer.writeShort(natAction.getPortMax().toJava());
                     }
                     outBuffer.writeZero(pad);
-                } else if (ctActions.getOfpactActions() instanceof NxActionCtMarkCase){
+                } else if (ctActions.getOfpactActions() instanceof NxActionCtMarkCase) {
                     NxActionCtMarkCase nxActionCtMarkCase = (NxActionCtMarkCase)ctActions.getOfpactActions();
                     NxActionCtMark ctMarkAction = nxActionCtMarkCase.getNxActionCtMark();
 
@@ -179,69 +172,70 @@ public class ConntrackCodec extends AbstractActionCodec {
 
     @Override
     public Action deserialize(final ByteBuf message) {
-        short length = deserializeCtHeader(message);
-        NxActionConntrackBuilder nxActionConntrackBuilder = new NxActionConntrackBuilder();
-        nxActionConntrackBuilder.setFlags(message.readUnsignedShort());
-        nxActionConntrackBuilder.setZoneSrc(message.readUnsignedInt());
-        nxActionConntrackBuilder.setConntrackZone(message.readUnsignedShort());
-        nxActionConntrackBuilder.setRecircTable(message.readUnsignedByte());
+        final short length = deserializeCtHeader(message);
+        final var nxActionConntrackBuilder = new NxActionConntrackBuilder()
+            .setFlags(readUint16(message))
+            .setZoneSrc(readUint32(message))
+            .setConntrackZone(readUint16(message))
+            .setRecircTable(readUint8(message));
         message.skipBytes(5);
-        if  (length > CT_LENGTH) {
-            deserializeCtAction(message,nxActionConntrackBuilder, length - CT_LENGTH);
+
+        if (length > CT_LENGTH) {
+            deserializeCtAction(message, nxActionConntrackBuilder, length - CT_LENGTH);
         }
-        ActionBuilder actionBuilder = new ActionBuilder();
-        actionBuilder.setExperimenterId(getExperimenterId());
-        ActionConntrackBuilder actionConntrackBuilder = new ActionConntrackBuilder();
-        actionConntrackBuilder.setNxActionConntrack(nxActionConntrackBuilder.build());
-        actionBuilder.setActionChoice(actionConntrackBuilder.build());
-        return actionBuilder.build();
+        return new ActionBuilder()
+            .setExperimenterId(getExperimenterId())
+            .setActionChoice(new ActionConntrackBuilder()
+                .setNxActionConntrack(nxActionConntrackBuilder.build())
+                .build())
+            .build();
     }
 
-    private void deserializeCtAction(final ByteBuf message, final NxActionConntrackBuilder nxActionConntrackBuilder,
-            final int ctActionsLength) {
+    private static void deserializeCtAction(final ByteBuf message,
+            final NxActionConntrackBuilder nxActionConntrackBuilder, final int ctActionsLength) {
         List<CtActions> ctActionsList = new ArrayList<>();
         int processedCtActionsLength = ctActionsLength;
 
-        while (processedCtActionsLength > 0){
-            int startReaderIndex = message.readerIndex();
+        while (processedCtActionsLength > 0) {
+            final int startReaderIndex = message.readerIndex();
 
             if (EncodeConstants.EXPERIMENTER_VALUE == message.readUnsignedShort()) {
                 // NAT action
                 // reset indices
                 message.setIndex(startReaderIndex, message.writerIndex());
 
-                int startIndex = message.readerIndex();
-                int length = deserializeCtHeader(message);
+                final int startIndex = message.readerIndex();
+                final int length = deserializeCtHeader(message);
 
                 processedCtActionsLength = processedCtActionsLength - length;
-                NxActionNatBuilder nxActionNatBuilder = new NxActionNatBuilder();
                 message.skipBytes(2);
-                nxActionNatBuilder.setFlags(message.readUnsignedShort());
+                final var nxActionNatBuilder = new NxActionNatBuilder()
+                    .setFlags(readUint16(message));
 
-                int rangePresent = message.readUnsignedShort();
+                final Uint16 rangePresent = readUint16(message);
                 nxActionNatBuilder.setRangePresent(rangePresent);
-                if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEIPV4MIN.getIntValue())) {
-                    InetAddress address = InetAddresses.fromInteger((int)message.readUnsignedInt());
-                    nxActionNatBuilder.setIpAddressMin(new IpAddress(address.getHostAddress().toCharArray()));
+
+                final int rangeBits = rangePresent.toJava();
+                if ((rangeBits & NxActionNatRangePresent.NXNATRANGEIPV4MIN.getIntValue()) != 0) {
+                    nxActionNatBuilder.setIpAddressMin(readIpv4Address(message));
                 }
-                if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEIPV4MAX.getIntValue())) {
-                    InetAddress address = InetAddresses.fromInteger((int)message.readUnsignedInt());
-                    nxActionNatBuilder.setIpAddressMax(new IpAddress(address.getHostAddress().toCharArray()));
+                if ((rangeBits & NxActionNatRangePresent.NXNATRANGEIPV4MAX.getIntValue()) != 0) {
+                    nxActionNatBuilder.setIpAddressMax(readIpv4Address(message));
                 }
-                if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEPROTOMIN.getIntValue())) {
-                    nxActionNatBuilder.setPortMin(message.readUnsignedShort());
+                if ((rangeBits & NxActionNatRangePresent.NXNATRANGEPROTOMIN.getIntValue()) != 0) {
+                    nxActionNatBuilder.setPortMin(readUint16(message));
                 }
-                if (0 != (rangePresent & NxActionNatRangePresent.NXNATRANGEPROTOMAX.getIntValue())) {
-                    nxActionNatBuilder.setPortMax(message.readUnsignedShort());
+                if ((rangeBits & NxActionNatRangePresent.NXNATRANGEPROTOMAX.getIntValue()) != 0) {
+                    nxActionNatBuilder.setPortMax(readUint16(message));
                 }
 
-                NxActionNatCaseBuilder caseBuilder = new NxActionNatCaseBuilder();
-                caseBuilder.setNxActionNat(nxActionNatBuilder.build());
-                CtActionsBuilder ctActionsBuilder = new CtActionsBuilder();
-                ctActionsBuilder.setOfpactActions(caseBuilder.build());
-                ctActionsList.add(ctActionsBuilder.build());
-                int pad = length - (message.readerIndex() - startIndex);
-                message.skipBytes(pad);
+                ctActionsList.add(new CtActionsBuilder()
+                    .setOfpactActions(new NxActionNatCaseBuilder()
+                    .setNxActionNat(nxActionNatBuilder.build()).build())
+                    .build());
+
+                // Padding
+                message.skipBytes(length - (message.readerIndex() - startIndex));
             } else {
                 // only other possible action here is currently ct_mark
                 // reset indices
@@ -250,36 +244,46 @@ public class ConntrackCodec extends AbstractActionCodec {
 
                 deserializeCtHeaderWithoutSubtype(message);
 
-                NxActionCtMarkBuilder nxActionCtMarkBuilder = new NxActionCtMarkBuilder();
-                nxActionCtMarkBuilder.setCtMark(message.readUnsignedInt());
+                ctActionsList.add(new CtActionsBuilder()
+                    .setOfpactActions(new NxActionCtMarkCaseBuilder()
+                        .setNxActionCtMark(new NxActionCtMarkBuilder()
+                            .setCtMark(readUint32(message))
+                            .build())
+                        .build())
+                    .build());
 
-                NxActionCtMarkCaseBuilder caseBuilder = new NxActionCtMarkCaseBuilder();
-                caseBuilder.setNxActionCtMark(nxActionCtMarkBuilder.build());
-                CtActionsBuilder ctActionsBuilder = new CtActionsBuilder();
-                ctActionsBuilder.setOfpactActions(caseBuilder.build());
-                ctActionsList.add(ctActionsBuilder.build());
-                // padding
-                message.skipBytes(EncodeConstants.SIZE_OF_INT_IN_BYTES);
+                // Padding
+                message.skipBytes(Integer.BYTES);
             }
         }
 
         nxActionConntrackBuilder.setCtActions(ctActionsList);
     }
 
-    private short deserializeCtHeaderWithoutSubtype(final ByteBuf message) {
+    private static IpAddress readIpv4Address(final ByteBuf message) {
+        return new IpAddress(IetfInetUtil.ipv4AddressFor(message.readInt()));
+    }
+
+    private static void writeIpv4Address(final ByteBuf outBuffer, final IpAddress ipAddress) {
+        if (ipAddress != null) {
+            outBuffer.writeBytes(IetfInetUtil.ipv4AddressBytes(ipAddress.getIpv4Address()));
+        }
+    }
+
+    private static short deserializeCtHeaderWithoutSubtype(final ByteBuf message) {
         // size of experimenter type / size of set field code (in case of ct_mark)
-        message.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
+        message.skipBytes(Short.BYTES);
         // size of length
         short length = message.readShort();
         // vendor id / 00 01 d6 04 (in case of ct_mark)
-        message.skipBytes(EncodeConstants.SIZE_OF_INT_IN_BYTES);
+        message.skipBytes(Integer.BYTES);
         return length;
     }
 
-    private short deserializeCtHeader(final ByteBuf message) {
+    private static short deserializeCtHeader(final ByteBuf message) {
         short length = deserializeCtHeaderWithoutSubtype(message);
         // subtype
-        message.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
+        message.skipBytes(Short.BYTES);
         return length;
     }
 }