tom | a708318 | 2014-09-25 21:38:03 -0700 | [diff] [blame^] | 1 | package org.onlab.nio; |
| 2 | |
| 3 | import org.junit.Test; |
| 4 | |
| 5 | import java.io.IOException; |
| 6 | import java.net.InetSocketAddress; |
| 7 | import java.net.SocketAddress; |
| 8 | import java.nio.channels.ServerSocketChannel; |
| 9 | import java.util.concurrent.CountDownLatch; |
| 10 | |
| 11 | import static org.junit.Assert.assertEquals; |
| 12 | import static org.onlab.junit.TestTools.delay; |
| 13 | |
| 14 | /** |
| 15 | * Unit tests for AcceptLoop. |
| 16 | */ |
| 17 | public class AcceptorLoopTest extends AbstractLoopTest { |
| 18 | |
| 19 | private static final int PORT = 9876; |
| 20 | |
| 21 | private static final SocketAddress SOCK_ADDR = new InetSocketAddress("127.0.0.1", PORT); |
| 22 | |
| 23 | private static class MyAcceptLoop extends AcceptorLoop { |
| 24 | private final CountDownLatch loopStarted = new CountDownLatch(1); |
| 25 | private final CountDownLatch loopFinished = new CountDownLatch(1); |
| 26 | private final CountDownLatch runDone = new CountDownLatch(1); |
| 27 | private final CountDownLatch ceaseLatch = new CountDownLatch(1); |
| 28 | |
| 29 | private int acceptCount = 0; |
| 30 | |
| 31 | MyAcceptLoop() throws IOException { |
| 32 | super(500, SOCK_ADDR); |
| 33 | } |
| 34 | |
| 35 | @Override |
| 36 | protected void acceptConnection(ServerSocketChannel ssc) throws IOException { |
| 37 | acceptCount++; |
| 38 | } |
| 39 | |
| 40 | @Override |
| 41 | public void loop() throws IOException { |
| 42 | loopStarted.countDown(); |
| 43 | super.loop(); |
| 44 | loopFinished.countDown(); |
| 45 | } |
| 46 | |
| 47 | @Override |
| 48 | public void run() { |
| 49 | super.run(); |
| 50 | runDone.countDown(); |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public void shutdown() { |
| 55 | super.shutdown(); |
| 56 | ceaseLatch.countDown(); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | @Test |
| 61 | // @Ignore("Doesn't shut down the socket") |
| 62 | public void basic() throws IOException { |
| 63 | MyAcceptLoop myAccLoop = new MyAcceptLoop(); |
| 64 | AcceptorLoop accLoop = myAccLoop; |
| 65 | exec.execute(accLoop); |
| 66 | waitForLatch(myAccLoop.loopStarted, "loopStarted"); |
| 67 | delay(200); // take a quick nap |
| 68 | accLoop.shutdown(); |
| 69 | waitForLatch(myAccLoop.loopFinished, "loopFinished"); |
| 70 | waitForLatch(myAccLoop.runDone, "runDone"); |
| 71 | assertEquals(0, myAccLoop.acceptCount); |
| 72 | } |
| 73 | } |