tests/honeynode/1.2.1/netconf-impl/src/test/java/org/opendaylight/netconf/impl/MessageParserTest.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netconf.impl;
  10
  11 import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
  12 import static org.junit.Assert.assertArrayEquals;
  13 import static org.junit.Assert.assertEquals;
  14 import static org.junit.Assert.assertFalse;
  15 import static org.junit.Assert.assertNotNull;
  16 import static org.junit.Assert.assertTrue;
  17
  18 import io.netty.buffer.ByteBuf;
  19 import io.netty.buffer.Unpooled;
  20 import io.netty.channel.embedded.EmbeddedChannel;
  21 import java.nio.ByteBuffer;
  22 import java.nio.charset.StandardCharsets;
  23 import java.util.Queue;
  24
  25 import org.junit.Before;
  26 import org.junit.Ignore;
  27 import org.junit.Test;
  28 import org.opendaylight.netconf.api.NetconfMessage;
  29 import org.opendaylight.netconf.nettyutil.handler.ChunkedFramingMechanismEncoder;
  30 import org.opendaylight.netconf.nettyutil.handler.FramingMechanismHandlerFactory;
  31 import org.opendaylight.netconf.nettyutil.handler.NetconfChunkAggregator;
  32 import org.opendaylight.netconf.nettyutil.handler.NetconfEOMAggregator;
  33 import org.opendaylight.netconf.nettyutil.handler.NetconfMessageToXMLEncoder;
  34 import org.opendaylight.netconf.nettyutil.handler.NetconfXMLToMessageDecoder;
  35 import org.opendaylight.netconf.util.messages.FramingMechanism;
  36 import org.opendaylight.netconf.util.messages.NetconfMessageConstants;
  37 import org.opendaylight.netconf.util.test.XmlFileLoader;
  38
  39
  40 public class MessageParserTest {
  41
  42     private NetconfMessage msg;
  43
  44     @Before
  45     public void setUp() throws Exception {
  46         this.msg = XmlFileLoader.xmlFileToNetconfMessage("netconfMessages/getConfig.xml");
  47     }
  48
  49     @Ignore
  50     @Test
  51     public void testChunkedFramingMechanismOnPipeline() throws Exception {
  52         EmbeddedChannel testChunkChannel = new EmbeddedChannel(
  53                 FramingMechanismHandlerFactory.createHandler(FramingMechanism.CHUNK),
  54                 new NetconfMessageToXMLEncoder(),
  55
  56                 new NetconfChunkAggregator(),
  57                 new NetconfXMLToMessageDecoder());
  58
  59         testChunkChannel.writeOutbound(this.msg);
  60         Queue<Object> messages = testChunkChannel.outboundMessages();
  61         assertFalse(messages.isEmpty());
  62
  63         final NetconfMessageToXMLEncoder enc = new NetconfMessageToXMLEncoder();
  64         final ByteBuf out = Unpooled.buffer();
  65         enc.encode(null, msg, out);
  66         int msgLength = out.readableBytes();
  67
  68         int chunkCount = msgLength / ChunkedFramingMechanismEncoder.DEFAULT_CHUNK_SIZE;
  69         if (msgLength % ChunkedFramingMechanismEncoder.DEFAULT_CHUNK_SIZE != 0) {
  70             chunkCount++;
  71         }
  72
  73         byte[] endOfChunkBytes = NetconfMessageConstants.END_OF_CHUNK.getBytes(StandardCharsets.UTF_8);
  74         for (int i = 1; i <= chunkCount; i++) {
  75             ByteBuf recievedOutbound = (ByteBuf) messages.poll();
  76             int exptHeaderLength = ChunkedFramingMechanismEncoder.DEFAULT_CHUNK_SIZE;
  77             if (i == chunkCount) {
  78                 exptHeaderLength = msgLength - ChunkedFramingMechanismEncoder.DEFAULT_CHUNK_SIZE * (i - 1);
  79                 byte[] eom = new byte[endOfChunkBytes.length];
  80                 recievedOutbound.getBytes(recievedOutbound.readableBytes() - endOfChunkBytes.length, eom);
  81                 assertArrayEquals(endOfChunkBytes, eom);
  82             }
  83
  84             byte[] header = new byte[String.valueOf(exptHeaderLength).length()
  85                     + NetconfMessageConstants.MIN_HEADER_LENGTH - 1];
  86             recievedOutbound.getBytes(0, header);
  87             assertEquals(exptHeaderLength, getHeaderLength(header));
  88
  89             testChunkChannel.writeInbound(recievedOutbound);
  90         }
  91         assertTrue(messages.isEmpty());
  92
  93         NetconfMessage receivedMessage = testChunkChannel.readInbound();
  94         assertNotNull(receivedMessage);
  95         assertXMLEqual(this.msg.getDocument(), receivedMessage.getDocument());
  96     }
  97
  98     @Ignore
  99     @Test
 100     public void testEOMFramingMechanismOnPipeline() throws Exception {
 101         EmbeddedChannel testChunkChannel = new EmbeddedChannel(
 102                 FramingMechanismHandlerFactory.createHandler(FramingMechanism.EOM),
 103                 new NetconfMessageToXMLEncoder(), new NetconfEOMAggregator(), new NetconfXMLToMessageDecoder());
 104
 105         testChunkChannel.writeOutbound(this.msg);
 106         ByteBuf recievedOutbound = testChunkChannel.readOutbound();
 107
 108         byte[] endOfMsgBytes = NetconfMessageConstants.END_OF_MESSAGE.getBytes(StandardCharsets.UTF_8);
 109         byte[] eom = new byte[endOfMsgBytes.length];
 110         recievedOutbound.getBytes(recievedOutbound.readableBytes() - endOfMsgBytes.length, eom);
 111         assertArrayEquals(endOfMsgBytes, eom);
 112
 113         testChunkChannel.writeInbound(recievedOutbound);
 114         NetconfMessage receivedMessage = testChunkChannel.readInbound();
 115         assertNotNull(receivedMessage);
 116         assertXMLEqual(this.msg.getDocument(), receivedMessage.getDocument());
 117     }
 118
 119     private static long getHeaderLength(byte[] bytes) {
 120         byte[] headerStart = new byte[]{(byte) 0x0a, (byte) 0x23};
 121         return Long.parseLong(StandardCharsets.US_ASCII.decode(
 122                 ByteBuffer.wrap(bytes, headerStart.length, bytes.length - headerStart.length - 1)).toString());
 123     }
 124 }