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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.openflow.controller.impl;
import java.io.File;
import java.io.IOException;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.Map;
import java.util.stream.IntStream;
import org.junit.Before;
import org.junit.Test;
import org.onlab.junit.TestTools;
import org.onlab.util.ItemNotFoundException;
import org.onosproject.net.DeviceId;
import org.onosproject.net.driver.Driver;
import org.onosproject.openflow.DriverAdapter;
import org.onosproject.openflow.DriverServiceAdapter;
import org.onosproject.openflow.OFDescStatsReplyAdapter;
import org.onosproject.openflow.controller.driver.OpenFlowSwitchDriver;
import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.io.Files;
import static com.google.common.io.ByteStreams.toByteArray;
import static com.google.common.io.Files.write;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.lessThan;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
/**
* Unit tests for the OpenFlow controller class.
*/
public class ControllerTest {
Controller controller;
protected static final Logger log = LoggerFactory.getLogger(ControllerTest.class);
static final File TEST_DIR = Files.createTempDir();
/*
* Writes the necessary file for the tests in the temporary directory
*/
static File stageTestResource(String name) throws IOException {
File file = new File(TEST_DIR, name);
byte[] bytes = toByteArray(ControllerTest.class.getResourceAsStream(name));
write(bytes, file);
return file;
}
class MockDriverService extends DriverServiceAdapter {
static final int NO_SUCH_DRIVER_ID = 1;
static final int ITEM_NOT_FOUND_DRIVER_ID = 2;
static final int DRIVER_EXISTS_ID = 3;
static final String BASE_DRIVER_NAME = "of:000000000000000";
static final String NO_SUCH_DRIVER = BASE_DRIVER_NAME
+ NO_SUCH_DRIVER_ID;
static final String ITEM_NOT_FOUND_DRIVER = BASE_DRIVER_NAME
+ ITEM_NOT_FOUND_DRIVER_ID;
static final String DRIVER_EXISTS = BASE_DRIVER_NAME
+ DRIVER_EXISTS_ID;
@Override
public Driver getDriver(DeviceId deviceId) {
switch (deviceId.toString()) {
case NO_SUCH_DRIVER:
return null;
case ITEM_NOT_FOUND_DRIVER:
throw new ItemNotFoundException();
case DRIVER_EXISTS:
return new DriverAdapter();
default:
throw new AssertionError();
}
}
}
/**
* Creates and initializes a new controller.
*/
@Before
public void setUp() {
controller = new Controller();
Dictionary<String, String> properties = new Hashtable<>();
properties.put("openflowPorts",
Integer.toString(TestTools.findAvailablePort(0)));
controller.setConfigParams(properties);
}
/**
* Tests fetching a driver that does not exist.
*/
@Test
public void switchInstanceNotFoundTest() {
controller.start(null, new MockDriverService());
OpenFlowSwitchDriver driver =
controller.getOFSwitchInstance(MockDriverService.NO_SUCH_DRIVER_ID,
null,
null);
assertThat(driver, nullValue());
controller.stop();
}
/**
* Tests fetching a driver that throws an ItemNotFoundException.
*/
@Test
public void switchItemNotFoundTest() {
controller.start(null, new MockDriverService());
OFDescStatsReply stats =
new OFDescStatsReplyAdapter();
OpenFlowSwitchDriver driver =
controller.getOFSwitchInstance(MockDriverService.ITEM_NOT_FOUND_DRIVER_ID,
stats,
null);
assertThat(driver, nullValue());
controller.stop();
}
/**
* Tests fetching a driver that throws an ItemNotFoundException.
*/
@Test
public void driverExistsTest() {
controller.start(null, new MockDriverService());
OFDescStatsReply stats =
new OFDescStatsReplyAdapter();
OpenFlowSwitchDriver driver =
controller.getOFSwitchInstance(MockDriverService.DRIVER_EXISTS_ID,
stats,
null);
assertThat(driver, notNullValue());
controller.stop();
}
/**
* Tests configuring the controller.
*/
@Test
public void testConfiguration() {
Dictionary<String, String> properties = new Hashtable<>();
properties.put("openflowPorts", "1,2,3,4,5");
properties.put("workerThreads", "5");
controller.setConfigParams(properties);
IntStream.rangeClosed(1, 5)
.forEach(i -> assertThat(controller.openFlowPorts, hasItem(i)));
assertThat(controller.workerThreads, is(5));
}
/**
* Tests the SSL/TLS methods in the controller.
*/
@Test
public void testSsl() throws IOException {
File keystore = stageTestResource("ControllerTestKeystore.jks");
String keystoreName = keystore.getAbsolutePath();
System.setProperty("enableOFTLS", Boolean.toString(Boolean.TRUE));
System.setProperty("javax.net.ssl.keyStore", keystoreName);
System.setProperty("javax.net.ssl.trustStore", keystoreName);
System.setProperty("javax.net.ssl.keyStorePassword", "password");
System.setProperty("javax.net.ssl.trustStorePassword", "password");
Dictionary<String, String> properties = new Hashtable<>();
properties.put("openflowPorts",
Integer.toString(TestTools.findAvailablePort(0)));
properties.put("workerThreads", "0");
controller.setConfigParams(properties);
controller.start(null, new MockDriverService());
assertThat(controller.serverSslEngine, notNullValue());
controller.stop();
boolean removed = keystore.delete();
if (!removed) {
log.warn("Could not remove temporary file");
}
}
/**
* Tests controll utility health methods.
*/
@Test
public void testHealth() {
Map<String, Long> memory = controller.getMemory();
assertThat(memory.size(), is(2));
assertThat(memory.get("total"), is(not(0)));
assertThat(memory.get("free"), is(not(0)));
long startTime = controller.getSystemStartTime();
assertThat(startTime, lessThan(System.currentTimeMillis()));
long upTime = controller.getSystemUptime();
assertThat(upTime, lessThan(30L * 1000));
}
}
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