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

Example 51 with DatagramPacket

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

the class NetworkMessageHandler method write.

@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
    if (msg instanceof NetworkMessage) {
        NetworkMessage message = (NetworkMessage) msg;
        if (ctx.channel() instanceof DatagramChannel) {
            InetSocketAddress recipient = (InetSocketAddress) message.getRemoteAddress();
            InetSocketAddress sender = (InetSocketAddress) ctx.channel().localAddress();
            ctx.write(new DatagramPacket((ByteBuf) message.getMessage(), recipient, sender), promise);
        } else {
            ctx.write(message.getMessage(), promise);
        }
    } else {
        ctx.write(msg, promise);
    }
}

Example 52 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 53 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 54 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()));
}

Example 55 with DatagramPacket

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

the class LispSouthboundHandlerTest method handleMapRequestPacket.

private DatagramPacket handleMapRequestPacket(byte[] inPacket) {
    DatagramPacket dp = new DatagramPacket(wrappedBuffer(inPacket), new InetSocketAddress(0), new InetSocketAddress(0));
    // Unless we explicitly set the source port, it will be -1, which breaks some tests
    // This is till not the real port number, but it's better
    // dp.setPort(LispMessage.PORT_NUM);
    testedLispService.handlePacket(dp);
    return lastMapReplyPacket();
}