X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=openflow-protocol-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fopenflowjava%2Fprotocol%2Fimpl%2Futil%2FByteBufUtils.java;h=a4fe74588199cf43aabef1a0e2210b6f3affe598;hb=refs%2Fchanges%2F35%2F1435%2F4;hp=3f5e360005dccb1699ecd43f15a70909a29e7817;hpb=c908c74e68ff5a50ca9d43de5a5a640464c5cb3f;p=openflowjava.git

diff --git a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/ByteBufUtils.java b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/ByteBufUtils.java
index 3f5e3600..a4fe7458 100644
--- a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/ByteBufUtils.java
+++ b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/util/ByteBufUtils.java
@@ -5,6 +5,12 @@ package org.opendaylight.openflowjava.protocol.impl.util;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.UnpooledByteBufAllocator;
 
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
+
 /** Class for common operations on ByteBuf
  *
  * @author michal.polkorab
@@ -69,4 +75,34 @@ public abstract class ByteBufUtils {
             out.writeByte(0);
         }
     }
+    
+    /**
+     * Create standard OF header
+     * @param factory serialization factory 
+     * @param message POJO
+     * @param out writing buffer
+     */
+    public static void writeOFHeader(OFSerializer<?> factory, OfHeader message, ByteBuf out) { 
+        out.writeByte(message.getVersion());
+        out.writeByte(factory.getMessageType());
+        out.writeShort(factory.computeLength());
+        out.writeInt(message.getXid().intValue());
+
+    }
+
+    /**
+     * Fills the bitmask from boolean map where key is bit position
+     * @param booleanMap bit to boolean mapping
+     * @return bit mask
+     */
+    public static int fillBitMaskFromMap(Map<Integer, Boolean> booleanMap) {
+        int bitmask = 0;
+        
+        for (Entry<Integer, Boolean> iterator : booleanMap.entrySet()) {
+            if (iterator.getValue() != null && iterator.getValue().booleanValue()) {
+                bitmask |= 1 << iterator.getKey();
+            }
+        }
+        return bitmask;
+    }
 }