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/*
* Copyright 2014-2015 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.openflow.controller.impl;
import java.io.IOException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onosproject.openflow.OpenflowSwitchDriverAdapter;
import org.onosproject.openflow.controller.RoleState;
import org.onosproject.openflow.controller.driver.OpenFlowSwitchDriver;
import org.onosproject.openflow.controller.driver.RoleRecvStatus;
import org.onosproject.openflow.controller.driver.RoleReplyInfo;
import org.onosproject.openflow.controller.driver.SwitchStateException;
import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
import org.projectfloodlight.openflow.protocol.OFFeaturesReply;
import org.projectfloodlight.openflow.types.U64;
import static org.junit.Assert.assertEquals;
import static org.onosproject.openflow.controller.RoleState.MASTER;
import static org.onosproject.openflow.controller.RoleState.SLAVE;
import static org.onosproject.openflow.controller.driver.RoleRecvStatus.MATCHED_CURRENT_ROLE;
import static org.onosproject.openflow.controller.driver.RoleRecvStatus.OTHER_EXPECTATION;
public class RoleManagerTest {
private static final U64 GID = U64.of(10L);
private static final long XID = 1L;
private OpenFlowSwitchDriver sw;
private RoleManager manager;
@Before
public void setUp() {
sw = new TestSwitchDriver();
manager = new RoleManager(sw);
}
@After
public void tearDown() {
manager = null;
sw = null;
}
@Test
public void deliverRoleReply() {
RoleRecvStatus status;
RoleReplyInfo asserted = new RoleReplyInfo(MASTER, GID, XID);
RoleReplyInfo unasserted = new RoleReplyInfo(SLAVE, GID, XID);
try {
//call without sendRoleReq() for requestPending = false
//first, sw.role == null
status = manager.deliverRoleReply(asserted);
assertEquals("expectation wrong", OTHER_EXPECTATION, status);
sw.setRole(MASTER);
assertEquals("expectation wrong", OTHER_EXPECTATION, status);
sw.setRole(SLAVE);
//match to pendingRole = MASTER, requestPending = true
manager.sendRoleRequest(MASTER, MATCHED_CURRENT_ROLE);
status = manager.deliverRoleReply(asserted);
assertEquals("expectation wrong", MATCHED_CURRENT_ROLE, status);
//requestPending never gets reset -- this might be a bug.
status = manager.deliverRoleReply(unasserted);
assertEquals("expectation wrong", OTHER_EXPECTATION, status);
assertEquals("pending role mismatch", MASTER, ((TestSwitchDriver) sw).failed);
} catch (IOException | SwitchStateException e) {
assertEquals("unexpected error thrown",
SwitchStateException.class, e.getClass());
}
}
private class TestSwitchDriver extends OpenflowSwitchDriverAdapter {
RoleState failed = null;
RoleState current = null;
@Override
public void setRole(RoleState role) {
current = role;
}
@Override
public RoleState getRole() {
return current;
}
@Override
public void setFeaturesReply(OFFeaturesReply featuresReply) {
}
@Override
public void setSwitchDescription(OFDescStatsReply desc) {
}
@Override
public int getNextTransactionId() {
return (int) XID;
}
@Override
public void returnRoleReply(RoleState requested, RoleState response) {
failed = requested;
}
@Override
public String channelId() {
return "1.2.3.4:1";
}
}
}
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