Examples with Buffer io.vertx.core.buffer.Buffer used on opensource projects

Example 56 with Buffer

use of io.vertx.core.buffer.Buffer in project vert.x by eclipse.

the class HTTPExamples method example48.

public void example48(HttpClient client) {
    client.getNow("some-uri", response -> {
        Buffer totalBuffer = Buffer.buffer();
        response.handler(buffer -> {
            System.out.println("Received a part of the response body: " + buffer.length());
            totalBuffer.appendBuffer(buffer);
        });
        response.endHandler(v -> {
            System.out.println("Total response body length is " + totalBuffer.length());
        });
    });
}

Example 57 with Buffer

use of io.vertx.core.buffer.Buffer in project vert.x by eclipse.

the class FileSystemExamples method asyncFileWrite.

public void asyncFileWrite() {
    Vertx vertx = Vertx.vertx();
    vertx.fileSystem().open("target/classes/hello.txt", new OpenOptions(), result -> {
        if (result.succeeded()) {
            AsyncFile file = result.result();
            Buffer buff = Buffer.buffer("foo");
            for (int i = 0; i < 5; i++) {
                file.write(buff, buff.length() * i, ar -> {
                    if (ar.succeeded()) {
                        System.out.println("Written ok!");
                    } else {
                        System.err.println("Failed to write: " + ar.cause());
                    }
                });
            }
        } else {
            System.err.println("Cannot open file " + result.cause());
        }
    });
}

Example 58 with Buffer

use of io.vertx.core.buffer.Buffer in project vert.x by eclipse.

the class EventBusTestBase method testSendBuffer.

@Test
public void testSendBuffer() {
    Buffer sent = TestUtils.randomBuffer(100);
    testSend(sent, (buffer) -> {
        assertEquals(sent, buffer);
        // Make sure it's copied
        assertFalse(sent == buffer);
    });
}

Example 59 with Buffer

use of io.vertx.core.buffer.Buffer in project vert.x by eclipse.

the class DatagramTest method testSendReceiveLargePacket.

@Test
public void testSendReceiveLargePacket() {
    int packetSize = 10000;
    peer1 = vertx.createDatagramSocket(new DatagramSocketOptions().setSendBufferSize(packetSize));
    // OSX needs 16 more
    peer2 = vertx.createDatagramSocket(new DatagramSocketOptions().setReceiveBufferSize(packetSize + 16));
    peer2.exceptionHandler(t -> fail(t.getMessage()));
    peer2.listen(1234, "127.0.0.1", ar -> {
        assertTrue(ar.succeeded());
        Buffer buffer = TestUtils.randomBuffer(packetSize);
        peer2.handler(packet -> {
            assertEquals(buffer, packet.data());
            testComplete();
        });
        peer1.send(buffer, 1234, "127.0.0.1", ar2 -> assertTrue(ar2.succeeded()));
    });
    await();
}

Example 60 with Buffer

use of io.vertx.core.buffer.Buffer in project vert.x by eclipse.

the class DatagramTest method testBroadcast.

@Test
public void testBroadcast() {
    peer1 = vertx.createDatagramSocket(new DatagramSocketOptions().setBroadcast(true));
    peer2 = vertx.createDatagramSocket(new DatagramSocketOptions().setBroadcast(true));
    peer2.exceptionHandler(t -> fail(t.getMessage()));
    peer2.listen(1234, "0.0.0.0", ar1 -> {
        assertTrue(ar1.succeeded());
        Buffer buffer = TestUtils.randomBuffer(128);
        peer2.handler(packet -> {
            assertEquals(buffer, packet.data());
            testComplete();
        });
        peer1.send(buffer, 1234, "255.255.255.255", ar2 -> {
            assertTrue(ar2.succeeded());
        });
    });
    await();
}