Examples with DatagramPacket io.netty.channel.socket.DatagramPacket used on opensource projects

Example 41 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project ribbon by Netflix.

the class HelloUdpServerExternalResource method start.

public void start() {
    int port;
    try {
        port = choosePort();
    } catch (SocketException e) {
        throw new RuntimeException("Error choosing point", e);
    }
    server = RxNetty.createUdpServer(port, new ConnectionHandler<DatagramPacket, DatagramPacket>() {

        @Override
        public Observable<Void> handle(final ObservableConnection<DatagramPacket, DatagramPacket> newConnection) {
            return newConnection.getInput().flatMap(new Func1<DatagramPacket, Observable<Void>>() {

                @Override
                public Observable<Void> call(final DatagramPacket received) {
                    return Observable.interval(timeout, TimeUnit.MILLISECONDS).take(1).flatMap(new Func1<Long, Observable<Void>>() {

                        @Override
                        public Observable<Void> call(Long aLong) {
                            InetSocketAddress sender = received.sender();
                            LOG.info("Received datagram. Sender: " + sender);
                            ByteBuf data = newConnection.getChannel().alloc().buffer(WELCOME_MSG_BYTES.length);
                            data.writeBytes(WELCOME_MSG_BYTES);
                            return newConnection.writeAndFlush(new DatagramPacket(data, sender));
                        }
                    });
                }
            });
        }
    });
    server.start();
    LOG.info("UDP hello server started at port: " + port);
}

Example 42 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project netty by netty.

the class DatagramPacketEncoderTest method testEncode.

@Test
public void testEncode() {
    InetSocketAddress recipient = SocketUtils.socketAddress("127.0.0.1", 10000);
    InetSocketAddress sender = SocketUtils.socketAddress("127.0.0.1", 20000);
    assertTrue(channel.writeOutbound(new DefaultAddressedEnvelope<String, InetSocketAddress>("netty", recipient, sender)));
    DatagramPacket packet = channel.readOutbound();
    try {
        assertEquals("netty", packet.content().toString(CharsetUtil.UTF_8));
        assertEquals(recipient, packet.recipient());
        assertEquals(sender, packet.sender());
    } finally {
        packet.release();
    }
}

Example 43 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project netty by netty.

the class DnsQueryTest method writeQueryTest.

@Test
public void writeQueryTest() throws Exception {
    InetSocketAddress addr = SocketUtils.socketAddress("8.8.8.8", 53);
    EmbeddedChannel embedder = new EmbeddedChannel(new DatagramDnsQueryEncoder());
    List<DnsQuery> queries = new ArrayList<DnsQuery>(5);
    queries.add(new DatagramDnsQuery(null, addr, 1).setRecord(DnsSection.QUESTION, new DefaultDnsQuestion("1.0.0.127.in-addr.arpa", DnsRecordType.PTR)));
    queries.add(new DatagramDnsQuery(null, addr, 1).setRecord(DnsSection.QUESTION, new DefaultDnsQuestion("www.example.com", DnsRecordType.A)));
    queries.add(new DatagramDnsQuery(null, addr, 1).setRecord(DnsSection.QUESTION, new DefaultDnsQuestion("example.com", DnsRecordType.AAAA)));
    queries.add(new DatagramDnsQuery(null, addr, 1).setRecord(DnsSection.QUESTION, new DefaultDnsQuestion("example.com", DnsRecordType.MX)));
    queries.add(new DatagramDnsQuery(null, addr, 1).setRecord(DnsSection.QUESTION, new DefaultDnsQuestion("example.com", DnsRecordType.CNAME)));
    for (DnsQuery query : queries) {
        assertThat(query.count(DnsSection.QUESTION), is(1));
        assertThat(query.count(DnsSection.ANSWER), is(0));
        assertThat(query.count(DnsSection.AUTHORITY), is(0));
        assertThat(query.count(DnsSection.ADDITIONAL), is(0));
        embedder.writeOutbound(query);
        DatagramPacket packet = embedder.readOutbound();
        Assert.assertTrue(packet.content().isReadable());
        packet.release();
        Assert.assertNull(embedder.readOutbound());
    }
}

Example 44 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project netty by netty.

the class DnsResponseTest method readMalormedResponseTest.

@Test
public void readMalormedResponseTest() throws Exception {
    EmbeddedChannel embedder = new EmbeddedChannel(new DatagramDnsResponseDecoder());
    ByteBuf packet = embedder.alloc().buffer(512).writeBytes(malformedLoopPacket);
    exception.expect(CorruptedFrameException.class);
    embedder.writeInbound(new DatagramPacket(packet, null, new InetSocketAddress(0)));
}

Example 45 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project camel by apache.

the class DatagramPacketEncoder method encode.

@Override
protected void encode(ChannelHandlerContext ctx, AddressedEnvelope<Object, InetSocketAddress> msg, List<Object> out) throws Exception {
    if (msg.content() instanceof ByteBuf) {
        ByteBuf payload = (ByteBuf) msg.content();
        // Just wrap the message as DatagramPacket, need to make sure the message content is ByteBuf
        DatagramPacket dp = new DatagramPacket(payload.retain(), msg.recipient());
        out.add(dp);
    }
}