Merge "Fixed for bug 1168 : Issue while update subnet"
[controller.git] / opendaylight / netconf / netconf-netty-util / src / main / java / org / opendaylight / controller / netconf / nettyutil / handler / NetconfEOMAggregator.java
index f260bcbcefbf0fff5baa41bda46b8b6c4efc617a..a87a08ded72ea97db3396c24697b780be501911d 100644 (file)
@@ -9,56 +9,15 @@
 package org.opendaylight.controller.netconf.nettyutil.handler;
 
 import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.handler.codec.ByteToMessageDecoder;
-
-import java.util.List;
-
+import io.netty.buffer.Unpooled;
+import io.netty.handler.codec.DelimiterBasedFrameDecoder;
 import org.opendaylight.controller.netconf.util.messages.NetconfMessageConstants;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
-import com.google.common.base.Charsets;
+public class NetconfEOMAggregator extends DelimiterBasedFrameDecoder {
 
-public class NetconfEOMAggregator extends ByteToMessageDecoder {
-    private final static Logger logger = LoggerFactory.getLogger(NetconfEOMAggregator.class);
+    public static final ByteBuf DELIMITER = Unpooled.wrappedBuffer(NetconfMessageConstants.END_OF_MESSAGE);
 
-    @Override
-    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
-        int index = indexOfSequence(in, NetconfMessageConstants.END_OF_MESSAGE);
-        if (index == -1) {
-            logger.debug("Message is not complete, read again.");
-            if (logger.isTraceEnabled()) {
-                String str = in.toString(Charsets.UTF_8);
-                logger.trace("Message read so far: {}", str);
-            }
-            ctx.read();
-        } else {
-            ByteBuf msg = in.readBytes(index);
-            in.readBytes(NetconfMessageConstants.END_OF_MESSAGE.length);
-            in.discardReadBytes();
-            logger.debug("Message is complete.");
-            out.add(msg);
-        }
+    public NetconfEOMAggregator() {
+        super(Integer.MAX_VALUE, DELIMITER);
     }
-
-    private int indexOfSequence(ByteBuf in, byte[] sequence) {
-        int index = -1;
-        for (int i = 0; i < in.readableBytes() - sequence.length + 1; i++) {
-            if (in.getByte(i) == sequence[0]) {
-                index = i;
-                for (int j = 1; j < sequence.length; j++) {
-                    if (in.getByte(i + j) != sequence[j]) {
-                        index = -1;
-                        break;
-                    }
-                }
-                if (index != -1) {
-                    return index;
-                }
-            }
-        }
-        return index;
-    }
-
 }