[ONOS-2599] Implement BGP Notification protocol Messgae parsing, Decode and encoding
Change-Id: I389bc57e386a621e58b269dfd692b272fe3d4495
diff --git a/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpNotificationMsgTest.java b/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpNotificationMsgTest.java
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+++ b/bgp/bgpio/src/test/java/org/onosproject/bgp/BgpNotificationMsgTest.java
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+/*
+ * 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 static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.core.Is.is;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.junit.Test;
+import org.onosproject.bgpio.exceptions.BGPParseException;
+import org.onosproject.bgpio.protocol.BGPFactories;
+import org.onosproject.bgpio.protocol.BGPMessage;
+import org.onosproject.bgpio.protocol.BGPMessageReader;
+import org.onosproject.bgpio.protocol.BGPNotificationMsg;
+import org.onosproject.bgpio.types.BGPHeader;
+
+/**
+ * Test for Notification message.
+ */
+public class BgpNotificationMsgTest {
+
+ /**
+ * Notification message with error code, error subcode and data.
+ *
+ * @throws BGPParseException while decoding and encoding notification message
+ */
+ @Test
+ public void bgpNotificationMessageTest1() throws BGPParseException {
+ byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, 0x00,
+ 0x17, 0x03, 0x02, 0x02,
+ (byte) 0xfe, (byte) 0xb0};
+
+ byte[] testNotificationMsg = {0};
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(notificationMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message = null;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+ assertThat(message, instanceOf(BGPNotificationMsg.class));
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+ testNotificationMsg = buf.array();
+
+ int iReadLen = buf.writerIndex() - 0;
+ testNotificationMsg = new byte[iReadLen];
+ buf.readBytes(testNotificationMsg, 0, iReadLen);
+ assertThat(testNotificationMsg, is(notificationMsg));
+ }
+
+ /**
+ * Notification message without data.
+ *
+ * @throws BGPParseException while decoding and encoding notification message
+ */
+ @Test
+ public void bgpNotificationMessageTest2() throws BGPParseException {
+ byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, 0x00,
+ 0x15, 0x03, 0x02, 0x00};
+
+ byte[] testNotificationMsg = {0};
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(notificationMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message = null;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+ assertThat(message, instanceOf(BGPNotificationMsg.class));
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+ testNotificationMsg = buf.array();
+
+ int iReadLen = buf.writerIndex() - 0;
+ testNotificationMsg = new byte[iReadLen];
+ buf.readBytes(testNotificationMsg, 0, iReadLen);
+ assertThat(testNotificationMsg, is(notificationMsg));
+ }
+
+ //Negative scenarios
+ /**
+ * Notification message with wrong maker value.
+ *
+ * @throws BGPParseException while decoding and encoding notification message
+ */
+ @Test(expected = BGPParseException.class)
+ public void bgpNotificationMessageTest3() throws BGPParseException {
+ byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ 0x01, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, 0x00,
+ 0x15, 0x03, 0x02, 0x00};
+
+ byte[] testNotificationMsg = {0};
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(notificationMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message = null;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+ assertThat(message, instanceOf(BGPNotificationMsg.class));
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+ testNotificationMsg = buf.array();
+
+ int iReadLen = buf.writerIndex() - 0;
+ testNotificationMsg = new byte[iReadLen];
+ buf.readBytes(testNotificationMsg, 0, iReadLen);
+ assertThat(testNotificationMsg, is(notificationMsg));
+ }
+
+ /**
+ * Notification message without error subcode.
+ *
+ * @throws BGPParseException while decoding and encoding notification message
+ */
+ @Test(expected = BGPParseException.class)
+ public void bgpNotificationMessageTest4() throws BGPParseException {
+ byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, 0x00,
+ 0x14, 0x03, 0x02};
+
+ byte[] testNotificationMsg = {0};
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(notificationMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message = null;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+ assertThat(message, instanceOf(BGPNotificationMsg.class));
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+ testNotificationMsg = buf.array();
+
+ int iReadLen = buf.writerIndex() - 0;
+ testNotificationMsg = new byte[iReadLen];
+ buf.readBytes(testNotificationMsg, 0, iReadLen);
+ assertThat(testNotificationMsg, is(notificationMsg));
+ }
+
+ /**
+ * Notification message with wrong message length.
+ *
+ * @throws BGPParseException while decoding and encoding notification message
+ */
+ @Test(expected = BGPParseException.class)
+ public void bgpNotificationMessageTest5() throws BGPParseException {
+ byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, 0x00,
+ 0x14, 0x03, 0x02, 0x02};
+
+ byte[] testNotificationMsg = {0};
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(notificationMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message = null;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+ assertThat(message, instanceOf(BGPNotificationMsg.class));
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+ testNotificationMsg = buf.array();
+
+ int iReadLen = buf.writerIndex() - 0;
+ testNotificationMsg = new byte[iReadLen];
+ buf.readBytes(testNotificationMsg, 0, iReadLen);
+ assertThat(testNotificationMsg, is(notificationMsg));
+ }
+}
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