Examples with Ctx zmq.Ctx used on opensource projects

Example 71 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class CustomDecoderTest method testAssignWrongCustomDecoder.

@SuppressWarnings("deprecation")
@Test(expected = ZError.InstantiationException.class)
public void testAssignWrongCustomDecoder() {
    Ctx ctx = ZMQ.createContext();
    SocketBase socket = ctx.createSocket(ZMQ.ZMQ_PAIR);
    try {
        socket.setSocketOpt(ZMQ.ZMQ_DECODER, WrongDecoder.class);
    } finally {
        ZMQ.close(socket);
        ZMQ.term(ctx);
    }
}

Example 72 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class SecurityCurveTest method testCurveMechanismSecurity.

@Test
public void testCurveMechanismSecurity() throws IOException, InterruptedException {
    Curve cryptoBox = new Curve();
    // Generate new keypairs for this test
    // We'll generate random test keys at startup
    String[] clientKeys = cryptoBox.keypairZ85();
    String clientPublic = clientKeys[0];
    String clientSecret = clientKeys[1];
    String[] serverKeys = cryptoBox.keypairZ85();
    String serverPublic = serverKeys[0];
    String serverSecret = serverKeys[1];
    String host = "tcp://127.0.0.1:*";
    Ctx ctx = ZMQ.createContext();
    // Spawn ZAP handler
    // We create and bind ZAP socket in main thread to avoid case
    // where child thread does not start up fast enough.
    SocketBase handler = ZMQ.socket(ctx, ZMQ.ZMQ_REP);
    assertThat(handler, notNullValue());
    boolean rc = ZMQ.bind(handler, "inproc://zeromq.zap.01");
    assertThat(rc, is(true));
    Thread thread = new Thread(new ZapHandler(handler, clientPublic));
    thread.start();
    // Server socket will accept connections
    SocketBase server = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(server, notNullValue());
    ZMQ.setSocketOption(server, ZMQ.ZMQ_CURVE_SERVER, true);
    ZMQ.setSocketOption(server, ZMQ.ZMQ_CURVE_SECRETKEY, serverSecret);
    ZMQ.setSocketOption(server, ZMQ.ZMQ_IDENTITY, "IDENT");
    rc = ZMQ.bind(server, host);
    assertThat(rc, is(true));
    host = (String) ZMQ.getSocketOptionExt(server, ZMQ.ZMQ_LAST_ENDPOINT);
    int port = TestUtils.port(host);
    // Check CURVE security with valid credentials
    System.out.println("Test Correct CURVE security");
    SocketBase client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SERVERKEY, serverPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_PUBLICKEY, clientPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SECRETKEY, clientSecret);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.bounce(server, client);
    ZMQ.close(client);
    // Check CURVE security with a garbage server key
    // This will be caught by the curve_server class, not passed to ZAP
    System.out.println("Test bad server key CURVE security");
    String garbageKey = "0000000000000000000000000000000000000000";
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SERVERKEY, garbageKey);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_PUBLICKEY, clientPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SECRETKEY, clientSecret);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Check CURVE security with a garbage client public key
    // This will be caught by the curve_server class, not passed to ZAP
    System.out.println("Test bad client public key CURVE security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SERVERKEY, serverPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_PUBLICKEY, garbageKey);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SECRETKEY, clientSecret);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Check CURVE security with a garbage client secret key
    // This will be caught by the curve_server class, not passed to ZAP
    System.out.println("Test bad client public key CURVE security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SERVERKEY, serverPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_PUBLICKEY, clientPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SECRETKEY, garbageKey);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Check CURVE security with bogus client credentials
    // This must be caught by the ZAP handler
    String[] bogus = cryptoBox.keypairZ85();
    String bogusPublic = bogus[0];
    String bogusSecret = bogus[1];
    System.out.println("Test bad client credentials CURVE security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SERVERKEY, serverPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_PUBLICKEY, bogusPublic);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SECRETKEY, bogusSecret);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Check CURVE security with NULL client credentials
    // This must be caught by the curve_server class, not passed to ZAP
    System.out.println("Test NULL client with CURVE security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Check CURVE security with PLAIN client credentials
    // This must be caught by the curve_server class, not passed to ZAP
    System.out.println("Test PLAIN client with CURVE security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_USERNAME, "user");
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_PASSWORD, "pass");
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Unauthenticated messages from a vanilla socket shouldn't be received
    System.out.println("Test unauthenticated from vanilla socket CURVE security");
    Socket sock = new Socket("127.0.0.1", port);
    // send anonymous ZMTP/1.0 greeting
    OutputStream out = sock.getOutputStream();
    out.write(new StringBuilder().append(0x01).append(0x00).toString().getBytes(ZMQ.CHARSET));
    // send sneaky message that shouldn't be received
    out.write(new StringBuilder().append(0x08).append(0x00).append("sneaky").append(0x00).toString().getBytes(ZMQ.CHARSET));
    int timeout = 250;
    ZMQ.setSocketOption(server, ZMQ.ZMQ_RCVTIMEO, timeout);
    Msg msg = ZMQ.recv(server, 0);
    assertThat(msg, nullValue());
    sock.close();
    // Check return codes for invalid buffer sizes
    // TODO
    System.out.println("Test return codes for invalid buffer sizes with CURVE security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    rc = ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SERVERKEY, new byte[123]);
    assertThat(rc, is(false));
    assertThat(client.errno.get(), is(ZError.EINVAL));
    rc = ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_PUBLICKEY, new byte[123]);
    assertThat(rc, is(false));
    assertThat(client.errno.get(), is(ZError.EINVAL));
    rc = ZMQ.setSocketOption(client, ZMQ.ZMQ_CURVE_SECRETKEY, new byte[123]);
    assertThat(rc, is(false));
    assertThat(client.errno.get(), is(ZError.EINVAL));
    ZMQ.closeZeroLinger(client);
    ZMQ.closeZeroLinger(server);
    // Shutdown
    ZMQ.term(ctx);
    // Wait until ZAP handler terminates
    thread.join();
}

Example 73 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class SecurityPlainTest method testPlainMechanismSecurity.

@Test
public void testPlainMechanismSecurity() throws IOException, InterruptedException {
    int port = Utils.findOpenPort();
    String host = "tcp://127.0.0.1:" + port;
    Ctx ctx = ZMQ.createContext();
    // Spawn ZAP handler
    // We create and bind ZAP socket in main thread to avoid case
    // where child thread does not start up fast enough.
    SocketBase handler = ZMQ.socket(ctx, ZMQ.ZMQ_REP);
    assertThat(handler, notNullValue());
    boolean rc = ZMQ.bind(handler, "inproc://zeromq.zap.01");
    assertThat(rc, is(true));
    Thread thread = new Thread(new ZapHandler(handler));
    thread.start();
    // Server socket will accept connections
    SocketBase server = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(server, notNullValue());
    ZMQ.setSocketOption(server, ZMQ.ZMQ_IDENTITY, "IDENT");
    ZMQ.setSocketOption(server, ZMQ.ZMQ_PLAIN_SERVER, true);
    rc = ZMQ.bind(server, host);
    assertThat(rc, is(true));
    String username = "admin";
    String password = "password";
    // Check PLAIN security with correct username/password
    System.out.println("Test Correct PLAIN security");
    SocketBase client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_USERNAME, username);
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_PASSWORD, password);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.bounce(server, client);
    ZMQ.close(client);
    // Check PLAIN security with badly configured client (as_server)
    // This will be caught by the plain_server class, not passed to ZAP
    System.out.println("Test badly configured PLAIN security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_SERVER, true);
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Check PLAIN security -- failed authentication
    System.out.println("Test wrong authentication PLAIN security");
    client = ZMQ.socket(ctx, ZMQ.ZMQ_DEALER);
    assertThat(client, notNullValue());
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_USERNAME, "wronguser");
    ZMQ.setSocketOption(client, ZMQ.ZMQ_PLAIN_PASSWORD, "wrongpass");
    rc = ZMQ.connect(client, host);
    assertThat(rc, is(true));
    Helper.expectBounceFail(server, client);
    ZMQ.closeZeroLinger(client);
    // Unauthenticated messages from a vanilla socket shouldn't be received
    System.out.println("Test unauthenticated from vanilla socket PLAIN security");
    Socket sock = new Socket("127.0.0.1", port);
    // send anonymous ZMTP/1.0 greeting
    OutputStream out = sock.getOutputStream();
    out.write(new StringBuilder().append(0x01).append(0x00).toString().getBytes(ZMQ.CHARSET));
    // send sneaky message that shouldn't be received
    out.write(new StringBuilder().append(0x08).append(0x00).append("sneaky").append(0x00).toString().getBytes(ZMQ.CHARSET));
    int timeout = 250;
    ZMQ.setSocketOption(server, ZMQ.ZMQ_RCVTIMEO, timeout);
    Msg msg = ZMQ.recv(server, 0);
    assertThat(msg, nullValue());
    sock.close();
    ZMQ.closeZeroLinger(server);
    // Shutdown
    ZMQ.term(ctx);
    // Wait until ZAP handler terminates
    thread.join();
}

Example 74 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class TimerEventTest method testHandshakeTimeout.

@Test
public void testHandshakeTimeout() throws IOException, InterruptedException {
    int handshakeInterval = 10;
    Ctx ctx = ZMQ.createContext();
    assertThat(ctx, notNullValue());
    SocketBase socket = ctx.createSocket(ZMQ.ZMQ_REP);
    assertThat(socket, notNullValue());
    boolean rc = ZMQ.setSocketOption(socket, ZMQ.ZMQ_HANDSHAKE_IVL, handshakeInterval);
    assertThat(rc, is(true));
    rc = ZMQ.monitorSocket(socket, "inproc://monitor", ZMQ.ZMQ_EVENT_DISCONNECTED);
    assertThat(rc, is(true));
    SocketMonitor monitor = new SocketMonitor(ctx, "inproc://monitor");
    monitor.start();
    rc = ZMQ.bind(socket, "tcp://127.0.0.1:*");
    assertThat(rc, is(true));
    String endpoint = (String) ZMQ.getSocketOptionExt(socket, ZMQ.ZMQ_LAST_ENDPOINT);
    assertThat(endpoint, notNullValue());
    Socket sender = new Socket("127.0.0.1", TestUtils.port(endpoint));
    OutputStream out = sender.getOutputStream();
    out.write(incompleteHandshake());
    out.flush();
    monitor.join();
    // there shall be a disconnected event because of the handshake timeout
    final ZMQ.Event event = monitor.event.get();
    assertThat(event, notNullValue());
    assertThat(event.event, is(ZMQ.ZMQ_EVENT_DISCONNECTED));
    out.close();
    sender.close();
    ZMQ.close(socket);
    ZMQ.term(ctx);
}

Example 75 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class TestPairInproc method testPairInproc.

// Create REQ/ROUTER wiring.
@Test
public void testPairInproc() {
    Ctx ctx = ZMQ.init(1);
    assertThat(ctx, notNullValue());
    SocketBase sb = ZMQ.socket(ctx, ZMQ.ZMQ_PAIR);
    assertThat(sb, notNullValue());
    boolean brc = ZMQ.bind(sb, "inproc://a");
    assertThat(brc, is(true));
    SocketBase sc = ZMQ.socket(ctx, ZMQ.ZMQ_PAIR);
    assertThat(sc, notNullValue());
    brc = ZMQ.connect(sc, "inproc://a");
    assertThat(brc, is(true));
    Helper.bounce(sb, sc);
    // Tear down the wiring.
    ZMQ.close(sb);
    ZMQ.close(sc);
    ZMQ.term(ctx);
}