[onos-2603] - Implements TE default metric
Change-Id: I3d7eb016d7840cb2b556e42bde8c407de6af99b3
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrTeDefaultMetric.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrTeDefaultMetric.java
new file mode 100755
index 0000000..7febe3c3
--- /dev/null
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrTeDefaultMetric.java
@@ -0,0 +1,132 @@
+/*
+ * 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.types.attr;
+
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BGPParseException;
+import org.onosproject.bgpio.types.BGPErrorType;
+import org.onosproject.bgpio.types.BGPValueType;
+import org.onosproject.bgpio.util.Validation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Implements BGP link state Default TE metric link attribute.
+ */
+public class BgpLinkAttrTeDefaultMetric implements BGPValueType {
+
+ protected static final Logger log = LoggerFactory
+ .getLogger(BgpLinkAttrTeDefaultMetric.class);
+
+ public static final int ATTRLINK_TEDEFAULTMETRIC = 1092;
+ public static final int TE_DATA_LEN = 4;
+
+ /* TE Default Metric */
+ private int linkTeMetric;
+
+ /**
+ * Constructor to initialize the value.
+ *
+ * @param linkTeMetric TE default metric
+ *
+ */
+ public BgpLinkAttrTeDefaultMetric(int linkTeMetric) {
+ this.linkTeMetric = linkTeMetric;
+ }
+
+ /**
+ * Returns object of this class with specified values.
+ *
+ * @param linkTeMetric TE default metric
+ * @return object of BgpLinkAttrTeDefaultMetric
+ */
+ public static BgpLinkAttrTeDefaultMetric of(final int linkTeMetric) {
+ return new BgpLinkAttrTeDefaultMetric(linkTeMetric);
+ }
+
+ /**
+ * Reads the BGP link attributes of TE default metric.
+ *
+ * @param cb Channel buffer
+ * @return object of type BgpLinkAttrTeDefaultMetric
+ * @throws BGPParseException while parsing BgpLinkAttrTeDefaultMetric
+ */
+ public static BgpLinkAttrTeDefaultMetric read(ChannelBuffer cb)
+ throws BGPParseException {
+ int linkTeMetric;
+
+ short lsAttrLength = cb.readShort();
+
+ if ((lsAttrLength != TE_DATA_LEN)
+ || (cb.readableBytes() < lsAttrLength)) {
+ Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
+ BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
+ lsAttrLength);
+ }
+
+ linkTeMetric = cb.readInt();
+
+ return new BgpLinkAttrTeDefaultMetric(linkTeMetric);
+ }
+
+ /**
+ * Returns the TE default metrics.
+ *
+ * @return link default metric
+ */
+ public int attrLinkDefTeMetric() {
+ return linkTeMetric;
+ }
+
+ @Override
+ public short getType() {
+ return ATTRLINK_TEDEFAULTMETRIC;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(linkTeMetric);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (obj instanceof BgpLinkAttrTeDefaultMetric) {
+ BgpLinkAttrTeDefaultMetric other = (BgpLinkAttrTeDefaultMetric) obj;
+ return Objects.equals(linkTeMetric, other.linkTeMetric);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer cb) {
+ // TODO This will be implemented in the next version
+ return 0;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("linkTEMetric", linkTeMetric).toString();
+ }
+}
diff --git a/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpLinkAttrTeDefaultMetricTest.java b/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpLinkAttrTeDefaultMetricTest.java
new file mode 100644
index 0000000..b6453c4
--- /dev/null
+++ b/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpLinkAttrTeDefaultMetricTest.java
@@ -0,0 +1,42 @@
+/*
+ * 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.bgp;
+
+import org.junit.Test;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrTeDefaultMetric;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Test for BGP link TE default metric attribute.
+ */
+public class BgpLinkAttrTeDefaultMetricTest {
+ private final int val = 0x010203;
+ private final int val1 = 0x01020304;
+
+ private final BgpLinkAttrTeDefaultMetric data = BgpLinkAttrTeDefaultMetric
+ .of(val);
+ private final BgpLinkAttrTeDefaultMetric sameAsData = BgpLinkAttrTeDefaultMetric
+ .of(val);
+ private final BgpLinkAttrTeDefaultMetric diffData = BgpLinkAttrTeDefaultMetric
+ .of(val1);
+
+ @Test
+ public void basics() {
+ new EqualsTester().addEqualityGroup(data, sameAsData)
+ .addEqualityGroup(diffData).testEquals();
+ }
+}
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