Bug 5895 - Support of Ext109 openflow tcp flag matching

[openflowjava.git] / openflow-protocol-impl / src / main / java / org / opendaylight / openflowjava / protocol / impl / deserialization / match / ext / OnfOxmTcpFlagsDeserializer.java

diff --git a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/match/ext/OnfOxmTcpFlagsDeserializer.java b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/match/ext/OnfOxmTcpFlagsDeserializer.java
new file mode 100644 (file)
index 0000000..e03ed77
--- /dev/null
+++ b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/match/ext/OnfOxmTcpFlagsDeserializer.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016 Brocade Communications 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.openflowjava.protocol.impl.deserialization.match.ext;
+
+import io.netty.buffer.ByteBuf;
+import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.TcpFlags;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.TcpFlagsContainer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.TcpFlagsContainerBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.oxm.container.match.entry.value.experimenter.id._case.TcpFlagsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.oxm.container.match.entry.value.ExperimenterIdCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ExperimenterClass;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmClassBase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
+
+/**
+ * Created by Anil Vishnoi (avishnoi@Brocade.com) on 7/26/16.
+ */
+public class OnfOxmTcpFlagsDeserializer extends AbstractOxmExperimenterMatchEntryDeserializer
+        implements OFDeserializer<MatchEntry> {
+
+    @Override
+    public MatchEntry deserialize(ByteBuf input) {
+        MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder(deserializeHeader(input));
+        ExperimenterIdCaseBuilder expCaseBuilder = createExperimenterIdCase(matchEntryBuilder, input);
+        addTcpFlagsAugmentation(input, expCaseBuilder, matchEntryBuilder.isHasMask());
+        matchEntryBuilder.setMatchEntryValue(expCaseBuilder.build());
+        return matchEntryBuilder.build();
+
+    }
+
+    private static void addTcpFlagsAugmentation(ByteBuf input, ExperimenterIdCaseBuilder expCaseBuilder, boolean hasMask) {
+        TcpFlagsContainerBuilder flagsContainerBuilder = new TcpFlagsContainerBuilder();
+        TcpFlagsBuilder flagsBuilder = new TcpFlagsBuilder();
+        flagsBuilder.setFlags(input.readUnsignedShort());
+        if (hasMask) {
+            byte[] mask = new byte[EncodeConstants.SIZE_OF_SHORT_IN_BYTES];
+            input.readBytes(mask);
+            flagsBuilder.setMask(mask);
+        }
+        flagsContainerBuilder.setTcpFlags(flagsBuilder.build());
+        expCaseBuilder.addAugmentation(TcpFlagsContainer.class, flagsContainerBuilder.build());
+    }
+
+    /**
+     * @return oxm_field class
+     */
+    @Override
+    protected Class<? extends MatchField> getOxmField() {
+        return TcpFlags.class;
+    }
+
+    /**
+     * @return oxm_class class
+     */
+    @Override
+    protected Class<? extends OxmClassBase> getOxmClass() {
+        return ExperimenterClass.class;
+    }
+}