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

Example 21 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);
    }
}

Example 22 with DatagramPacket

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

the class UdpClientTest method testUdpClientWithoutTimeout.

@Test
public void testUdpClientWithoutTimeout() throws Exception {
    int port = choosePort();
    UdpServer<DatagramPacket, DatagramPacket> server = new HelloUdpServer(port, 0).createServer();
    server.start();
    BaseLoadBalancer lb = new BaseLoadBalancer();
    lb.setServersList(Lists.newArrayList(new Server("localhost", port)));
    RxClient<DatagramPacket, DatagramPacket> client = RibbonTransport.newUdpClient(lb, DefaultClientConfigImpl.getClientConfigWithDefaultValues());
    try {
        String response = client.connect().flatMap(new Func1<ObservableConnection<DatagramPacket, DatagramPacket>, Observable<DatagramPacket>>() {

            @Override
            public Observable<DatagramPacket> call(ObservableConnection<DatagramPacket, DatagramPacket> connection) {
                connection.writeStringAndFlush("Is there anybody out there?");
                return connection.getInput();
            }
        }).take(1).map(new Func1<DatagramPacket, String>() {

            @Override
            public String call(DatagramPacket datagramPacket) {
                return datagramPacket.content().toString(Charset.defaultCharset());
            }
        }).toBlocking().first();
        assertEquals(HelloUdpServer.WELCOME_MSG, response);
    } finally {
        server.shutdown();
    }
}

Example 23 with DatagramPacket

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

the class QueryHandler method handleFullStats.

private void handleFullStats(ChannelHandlerContext ctx, DatagramPacket packet, int sessionId) {
    GlowServer server = queryServer.getServer();
    StringBuilder plugins = new StringBuilder("Glowstone ").append(server.getVersion()).append(" on Bukkit ").append(server.getBukkitVersion());
    if (showPlugins) {
        char delim = ':';
        for (Plugin plugin : server.getPluginManager().getPlugins()) {
            plugins.append(delim).append(' ').append(plugin.getDescription().getFullName());
            delim = ';';
        }
    }
    Map<String, Object> data = new LinkedHashMap<>();
    data.put("hostname", server.getMotd());
    data.put("gametype", "SMP");
    data.put("game_id", "MINECRAFT");
    data.put("version", GlowServer.GAME_VERSION);
    data.put("plugins", plugins);
    data.put("map", server.getWorlds().get(0).getName());
    data.put("numplayers", server.getOnlinePlayers().size());
    data.put("maxplayers", server.getMaxPlayers());
    data.put("hostport", server.getPort());
    data.put("hostip", getIpString());
    ByteBuf buf = ctx.alloc().buffer();
    buf.writeByte(ACTION_STATS);
    buf.writeInt(sessionId);
    // constant: splitnum\x00\x80\x00
    buf.writeBytes(new byte[] { 0x73, 0x70, 0x6C, 0x69, 0x74, 0x6E, 0x75, 0x6D, 0x00, (byte) 0x80, 0x00 });
    for (Entry<String, Object> e : data.entrySet()) {
        writeString(buf, e.getKey());
        writeString(buf, String.valueOf(e.getValue()));
    }
    buf.writeByte(0);
    // constant: \x01player_\x00\x00
    buf.writeBytes(new byte[] { 0x01, 0x70, 0x6C, 0x61, 0x79, 0x65, 0x72, 0x5F, 0x00, 0x00 });
    for (Player player : server.getOnlinePlayers()) {
        writeString(buf, player.getName());
    }
    buf.writeByte(0);
    ctx.write(new DatagramPacket(buf, packet.sender()));
}

Example 24 with DatagramPacket

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

the class QueryHandler method handleHandshake.

private void handleHandshake(ChannelHandlerContext ctx, DatagramPacket packet, int sessionId) {
    int challengeToken = queryServer.generateChallengeToken(packet.sender());
    ByteBuf out = ctx.alloc().buffer();
    out.writeByte(ACTION_HANDSHAKE);
    out.writeInt(sessionId);
    writeString(out, String.valueOf(challengeToken));
    ctx.write(new DatagramPacket(out, packet.sender()));
}

Example 25 with DatagramPacket

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

the class QueryHandler method handleBasicStats.

private void handleBasicStats(ChannelHandlerContext ctx, DatagramPacket packet, int sessionId) {
    GlowServer server = queryServer.getServer();
    ByteBuf buf = ctx.alloc().buffer();
    buf.writeByte(ACTION_STATS);
    buf.writeInt(sessionId);
    writeString(buf, server.getMotd());
    writeString(buf, "SMP");
    writeString(buf, server.getWorlds().get(0).getName());
    writeString(buf, String.valueOf(server.getOnlinePlayers().size()));
    writeString(buf, String.valueOf(server.getMaxPlayers()));
    buf.order(ByteOrder.LITTLE_ENDIAN).writeShort(server.getPort());
    writeString(buf, getIpString());
    ctx.write(new DatagramPacket(buf, packet.sender()));
}