/**
* Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
* University
*
* 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.openflow.protocol;
import static org.junit.Assert.assertArrayEquals;
import java.util.List;
import junit.framework.TestCase;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.openflow.protocol.action.MockVendorAction;
import org.openflow.protocol.action.MockVendorActionFactory;
import org.openflow.protocol.action.OFAction;
import org.openflow.protocol.action.OFActionVendorGeneric;
import org.openflow.protocol.factory.BasicFactory;
import org.openflow.protocol.factory.MessageParseException;
import org.openflow.protocol.factory.OFVendorActionRegistry;
import org.openflow.util.U16;
public class BasicFactoryTest extends TestCase {
public void testCreateAndParse() throws MessageParseException {
BasicFactory factory = BasicFactory.getInstance();
OFMessage m = factory.getMessage(OFType.HELLO);
m.setVersion((byte) 1);
m.setType(OFType.ECHO_REQUEST);
m.setLength(U16.t(8));
m.setXid(0xdeadbeef);
ChannelBuffer bb = ChannelBuffers.dynamicBuffer();
ChannelBuffer bb2 = ChannelBuffers.dynamicBuffer();
m.writeTo(bb);
bb2.writeBytes(bb, bb.readableBytes()-1);
TestCase.assertNull(factory.parseMessage(bb2));
bb2.writeByte(bb.readByte());
List<OFMessage> message = factory.parseMessage(bb2);
TestCase.assertNotNull(message);
TestCase.assertEquals(message.size(), 1);
TestCase.assertTrue(message.get(0).getType() == OFType.ECHO_REQUEST);
}
public void testInvalidMsgParse() throws MessageParseException {
BasicFactory factory = BasicFactory.getInstance();
OFMessage m = factory.getMessage(OFType.HELLO);
m.setVersion((byte) 1);
m.setType(OFType.ECHO_REQUEST);
m.setLength(U16.t(16));
m.setXid(0xdeadbeef);
ChannelBuffer bb = ChannelBuffers.dynamicBuffer();
m.writeTo(bb);
List<OFMessage> message = factory.parseMessage(bb);
TestCase.assertNull(message);
}
public void testCurrouptedMsgParse() throws MessageParseException {
BasicFactory factory = BasicFactory.getInstance();
OFMessage m = factory.getMessage(OFType.HELLO);
m.setVersion((byte) 1);
m.setType(OFType.ERROR);
m.setLength(U16.t(8));
m.setXid(0xdeadbeef);
ChannelBuffer bb = ChannelBuffers.dynamicBuffer();
m.writeTo(bb);
try {
factory.parseMessage(bb);
}
catch(Exception e) {
TestCase.assertEquals(MessageParseException.class, e.getClass());
}
}
public void testCustomVendorAction() throws MessageParseException {
BasicFactory factory = BasicFactory.getInstance();
OFVendorActionRegistry.getInstance().register(
MockVendorAction.VENDOR_ID, new MockVendorActionFactory());
byte[] deadBeefMessage = {
(byte) 0xff, (byte) 0xff, // action vendor
0x00, 0x10, // length
(byte) 0xde, (byte) 0xad, (byte) 0xbe, (byte)0xef, // deadbeaf
0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08 // pad
};
ChannelBuffer buf = ChannelBuffers.copiedBuffer(deadBeefMessage);
List<OFAction> actions = factory.parseActions(buf,deadBeefMessage.length);
assertEquals(1, actions.size());
OFAction ofAction = actions.get(0);
assertTrue("Action should be MockVendorAction, but is "+ofAction.getClass(), ofAction instanceof MockVendorAction);
assertArrayEquals( new byte[] { 1,2,3,4,5,6,7,8}, ((MockVendorAction)ofAction).getMockData());
}
public void testGenericVendorAction() throws MessageParseException {
byte[] nonDeadBeefMessage = {
(byte) 0xff, (byte) 0xff, // action vendor
0x00, 0x10, // length
(byte) 0x7e, (byte) 0xe7, (byte) 0xbe, (byte)0xef, // deadbeaf
0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08 // pad
};
BasicFactory factory = BasicFactory.getInstance();
OFVendorActionRegistry.getInstance().register(
MockVendorAction.VENDOR_ID, new MockVendorActionFactory());
ChannelBuffer buf = ChannelBuffers.copiedBuffer(nonDeadBeefMessage);
List<OFAction> actions = factory.parseActions(buf,nonDeadBeefMessage.length);
assertEquals(1, actions.size());
OFAction ofAction = actions.get(0);
assertTrue("Action should be OFActionVendorGeneric, but is "+ofAction.getClass(), ofAction instanceof OFActionVendorGeneric);
}
}