Bug 5895 - Support of Ext109 openflow tcp flag matching

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

diff --git a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/ext/AbstractOxmExperimenterMatchEntrySerializer.java b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/ext/AbstractOxmExperimenterMatchEntrySerializer.java
new file mode 100644 (file)
index 0000000..fec3df2
--- /dev/null
+++ b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/ext/AbstractOxmExperimenterMatchEntrySerializer.java
@@ -0,0 +1,59 @@
+/*
+ * 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.serialization.match.ext;
+
+import io.netty.buffer.ByteBuf;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
+import org.opendaylight.openflowjava.protocol.impl.serialization.match.AbstractOxmMatchEntrySerializer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.oxm.container.match.entry.value.ExperimenterIdCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
+
+/**
+ * Created by Anil Vishnoi (avishnoi@Brocade.com) on 7/25/16.
+ */
+public abstract class AbstractOxmExperimenterMatchEntrySerializer extends AbstractOxmMatchEntrySerializer {
+
+    @Override
+    public void serialize(MatchEntry entry, ByteBuf outBuffer) {
+        serializeHeader(entry, outBuffer);
+    }
+
+    @Override
+    public void serializeHeader(MatchEntry entry, ByteBuf outBuffer) {
+        outBuffer.writeShort(getOxmClassCode());
+        writeOxmFieldAndLength(outBuffer, getOxmFieldCode(), entry.isHasMask(),
+                getValueLength());
+    }
+
+    protected static void writeOxmFieldAndLength(ByteBuf out, int fieldValue, boolean hasMask, int lengthArg) {
+        int fieldAndMask = fieldValue << 1;
+        int length = lengthArg;
+        if (hasMask) {
+            fieldAndMask |= 1;
+            length *= 2;
+        }
+
+        //Add experimenter-id lenge
+        length = length + EncodeConstants.SIZE_OF_INT_IN_BYTES;
+        out.writeByte(fieldAndMask);
+        out.writeByte(length);
+    }
+
+    protected ExperimenterIdCase serializeExperimenterId(MatchEntry matchEntry, ByteBuf out) {
+        ExperimenterIdCase expCase = (ExperimenterIdCase) matchEntry.getMatchEntryValue();
+        out.writeInt(expCase.getExperimenter().getExperimenter().getValue().intValue());
+        return expCase;
+    }
+
+    /**
+     * @return Experimenter match entry ID
+     */
+    protected abstract long getExperimenterId();
+}
+