[Emu] [ONOS-2603] Implement BGP Update Protocol Message and parse all Link State atrributes of Node and Prefix
Change-Id: I51f3cdbf273e7b82d1cccb21c9b2de83aba3a95d
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/util/UnSupportedAttribute.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/util/UnSupportedAttribute.java
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+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/util/UnSupportedAttribute.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.bgpio.util;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Provides methods to handle UnSupportedAttribute.
+ */
+public final class UnSupportedAttribute {
+ protected static final Logger log = LoggerFactory.getLogger(UnSupportedAttribute.class);
+
+ private UnSupportedAttribute() {
+ }
+
+ /**
+ * Reads channel buffer parses attribute header and skips specified length.
+ *
+ * @param cb channelBuffer
+ */
+ public static void read(ChannelBuffer cb) {
+ Validation parseFlags = Validation.parseAttributeHeader(cb);
+ cb.skipBytes(parseFlags.getLength());
+ }
+
+ /**
+ * Skip specified bytes in channel buffer.
+ *
+ * @param cb channelBuffer
+ * @param length to be skipped
+ */
+ public static void skipBytes(ChannelBuffer cb, short length) {
+ cb.skipBytes(length);
+ }
+}
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