Examples with ServerSocketChannel java.nio.channels.ServerSocketChannel used on opensource projects

Example 96 with ServerSocketChannel

use of java.nio.channels.ServerSocketChannel in project wifikeyboard by IvanVolosyuk.

the class HttpService method doStartServer.

public static void doStartServer(HttpService context) {
    ServerSocketChannel socket = makeSocket(context);
    context.port = socket.socket().getLocalPort();
    server = new KeyboardHttpServer(context, socket);
    Editor editor = context.getSharedPreferences("port", MODE_PRIVATE).edit();
    editor.putInt("port", context.port);
    editor.commit();
    try {
        if (context.portUpdateListener != null) {
            context.portUpdateListener.portUpdated(context.port);
        }
    } catch (RemoteException e) {
        Log.e("wifikeyboard", "port update failure", e);
    }
    context.updateNotification(true);
    server.start();
}

Example 97 with ServerSocketChannel

use of java.nio.channels.ServerSocketChannel in project voldemort by voldemort.

the class ServerTestUtilsTest method testFindFreePorts.

// @Test
public void testFindFreePorts() throws Exception {
    int numPorts = 25000;
    ServerSocketChannel[] serverSocketChannel = new ServerSocketChannel[numPorts];
    int[] ports = ServerTestUtils.findFreePorts(numPorts);
    for (int i = 0; i < numPorts; i++) {
        boolean bound = false;
        while (!bound) {
            try {
                serverSocketChannel[i] = ServerSocketChannel.open();
                serverSocketChannel[i].socket().bind(new InetSocketAddress(ports[i]));
                serverSocketChannel[i].socket().setReuseAddress(true);
                bound = true;
            } catch (IOException ioe) {
                System.err.println("Attempt: " + i + ", port: " + ports[i]);
                ioe.printStackTrace();
                Thread.sleep(10);
            }
        }
    }
    for (int i = 0; i < numPorts; i++) {
        try {
            serverSocketChannel[i].socket().close();
        } catch (IOException ioe) {
            System.err.println("Attempt: " + i + ", port: " + ports[i]);
            ioe.printStackTrace();
            assertTrue(false);
            return;
        }
    }
    assertTrue(true);
}

Example 98 with ServerSocketChannel

use of java.nio.channels.ServerSocketChannel in project heron by twitter.

the class HandleWriteTest method testHandleWrite.

/**
   * Test write into network
   */
@Test
public void testHandleWrite() throws Exception {
    ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
    serverSocketChannel.socket().bind(new InetSocketAddress(HOST, serverPort));
    SocketChannel socketChannel = null;
    try {
        runStreamManagerClient();
        socketChannel = serverSocketChannel.accept();
        configure(socketChannel);
        socketChannel.configureBlocking(false);
        close(serverSocketChannel);
        // Receive request
        IncomingPacket incomingPacket = new IncomingPacket();
        while (incomingPacket.readFromChannel(socketChannel) != 0) {
            // 1ms sleep to mitigate busy looping
            SysUtils.sleep(1);
        }
        // Send back response
        // Though we do not use typeName, we need to unpack it first,
        // since the order is required
        String typeName = incomingPacket.unpackString();
        REQID rid = incomingPacket.unpackREQID();
        OutgoingPacket outgoingPacket = new OutgoingPacket(rid, UnitTestHelper.getRegisterInstanceResponse());
        outgoingPacket.writeToChannel(socketChannel);
        for (int i = 0; i < Constants.RETRY_TIMES; i++) {
            InstanceControlMsg instanceControlMsg = inControlQueue.poll();
            if (instanceControlMsg != null) {
                break;
            } else {
                SysUtils.sleep(Constants.RETRY_INTERVAL_MS);
            }
        }
        for (int i = 0; i < 10; i++) {
            // We randomly choose some messages writing to stream mgr
            streamManagerClient.sendMessage(UnitTestHelper.getRegisterInstanceResponse());
        }
        for (int i = 0; i < 10; i++) {
            incomingPacket = new IncomingPacket();
            while (incomingPacket.readFromChannel(socketChannel) != 0) {
                // 1ms sleep to mitigate busy looping
                SysUtils.sleep(1);
            }
            typeName = incomingPacket.unpackString();
            rid = incomingPacket.unpackREQID();
            StreamManager.RegisterInstanceResponse.Builder builder = StreamManager.RegisterInstanceResponse.newBuilder();
            incomingPacket.unpackMessage(builder);
            StreamManager.RegisterInstanceResponse response = builder.build();
            Assert.assertNotNull(response);
            Assert.assertTrue(response.isInitialized());
            Assert.assertEquals(Common.StatusCode.OK, response.getStatus().getStatus());
            Assert.assertEquals(1, response.getPplan().getStmgrsCount());
            Assert.assertEquals(2, response.getPplan().getInstancesCount());
            Assert.assertEquals(1, response.getPplan().getTopology().getBoltsCount());
            Assert.assertEquals(1, response.getPplan().getTopology().getSpoutsCount());
            Assert.assertEquals(TopologyAPI.TopologyState.RUNNING, response.getPplan().getTopology().getState());
        }
        nioLooper.exitLoop();
    } catch (ClosedChannelException ignored) {
    } finally {
        close(socketChannel);
    }
}

Example 99 with ServerSocketChannel

use of java.nio.channels.ServerSocketChannel in project heron by twitter.

the class HeronServerTest method testHandleAccept.

/**
   * Method: handleAccept(SelectableChannel channel)
   */
@Test
public void testHandleAccept() throws Exception {
    runBase();
    Map<SocketChannel, SocketChannelHelper> activeConnections = heronServer.getActiveConnections();
    ServerSocketChannel acceptChannel = heronServer.getAcceptChannel();
    Assert.assertNotNull(acceptChannel);
    Assert.assertTrue(acceptChannel.isOpen());
    Assert.assertNotNull(activeConnections);
    Assert.assertEquals(1, activeConnections.size());
}

Example 100 with ServerSocketChannel

use of java.nio.channels.ServerSocketChannel in project heron by twitter.

the class HandleReadTest method testHandleRead.

/**
   * Test reading from network
   */
@Test
public void testHandleRead() throws Exception {
    ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
    serverSocketChannel.socket().bind(new InetSocketAddress(HOST, serverPort));
    SocketChannel socketChannel = null;
    try {
        runStreamManagerClient();
        socketChannel = serverSocketChannel.accept();
        configure(socketChannel);
        socketChannel.configureBlocking(false);
        close(serverSocketChannel);
        // Receive request
        IncomingPacket incomingPacket = new IncomingPacket();
        while (incomingPacket.readFromChannel(socketChannel) != 0) {
            // 1ms sleep to mitigate busy looping
            SysUtils.sleep(1);
        }
        // Send back response
        // Though we do not use typeName, we need to unpack it first,
        // since the order is required
        String typeName = incomingPacket.unpackString();
        REQID rid = incomingPacket.unpackREQID();
        OutgoingPacket outgoingPacket = new OutgoingPacket(rid, UnitTestHelper.getRegisterInstanceResponse());
        outgoingPacket.writeToChannel(socketChannel);
        for (int i = 0; i < Constants.RETRY_TIMES; i++) {
            InstanceControlMsg instanceControlMsg = inControlQueue.poll();
            if (instanceControlMsg != null) {
                break;
            } else {
                SysUtils.sleep(Constants.RETRY_INTERVAL_MS);
            }
        }
        outgoingPacket = new OutgoingPacket(REQID.zeroREQID, constructMockMessage());
        outgoingPacket.writeToChannel(socketChannel);
        for (int i = 0; i < Constants.RETRY_TIMES; i++) {
            if (!inStreamQueue.isEmpty()) {
                break;
            }
            SysUtils.sleep(Constants.RETRY_INTERVAL_MS);
        }
        nioLooper.exitLoop();
        Assert.assertEquals(1, inStreamQueue.size());
        HeronTuples.HeronTupleSet msg = inStreamQueue.poll();
        HeronTuples.HeronTupleSet heronTupleSet = msg;
        Assert.assertTrue(heronTupleSet.hasData());
        Assert.assertFalse(heronTupleSet.hasControl());
        HeronTuples.HeronDataTupleSet heronDataTupleSet = heronTupleSet.getData();
        Assert.assertEquals("test-spout", heronDataTupleSet.getStream().getComponentName());
        Assert.assertEquals("default", heronDataTupleSet.getStream().getId());
        String res = "";
        for (HeronTuples.HeronDataTuple heronDataTuple : heronDataTupleSet.getTuplesList()) {
            res += heronDataTuple.getValues(0).toStringUtf8();
            Assert.assertEquals(1, heronDataTuple.getRootsCount());
        }
        Assert.assertEquals("ABABABABAB", res);
    } catch (ClosedChannelException ignored) {
    } finally {
        close(socketChannel);
    }
}