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

Example 1 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project vert.x by eclipse.

the class DatagramServerHandler method safeObject.

@Override
protected Object safeObject(Object msg, ByteBufAllocator allocator) throws Exception {
    if (msg instanceof DatagramPacket) {
        DatagramPacket packet = (DatagramPacket) msg;
        ByteBuf content = packet.content();
        if (content.isDirect()) {
            content = safeBuffer(content, allocator);
        }
        return new DatagramPacketImpl(packet.sender(), Buffer.buffer(content));
    }
    return msg;
}

Example 2 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project vert.x by eclipse.

the class DatagramSocketImpl method doSend.

private void doSend(Buffer packet, InetSocketAddress addr, Handler<AsyncResult<DatagramSocket>> handler) {
    ChannelFuture future = channel().writeAndFlush(new DatagramPacket(packet.getByteBuf(), addr));
    addListener(future, handler);
}

Example 3 with DatagramPacket

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

the class DatagramUnicastTest method testSimpleSend0.

@SuppressWarnings("deprecation")
private void testSimpleSend0(Bootstrap sb, Bootstrap cb, ByteBuf buf, boolean bindClient, final byte[] bytes, int count) throws Throwable {
    final CountDownLatch latch = new CountDownLatch(count);
    sb.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.pipeline().addLast(new SimpleChannelInboundHandler<DatagramPacket>() {

                @Override
                public void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
                    ByteBuf buf = msg.content();
                    assertEquals(bytes.length, buf.readableBytes());
                    for (byte b : bytes) {
                        assertEquals(b, buf.readByte());
                    }
                    latch.countDown();
                }
            });
        }
    });
    cb.handler(new SimpleChannelInboundHandler<Object>() {

        @Override
        public void channelRead0(ChannelHandlerContext ctx, Object msgs) throws Exception {
        // Nothing will be sent.
        }
    });
    Channel sc = null;
    BindException bindFailureCause = null;
    for (int i = 0; i < 3; i++) {
        try {
            sc = sb.bind().sync().channel();
            break;
        } catch (Exception e) {
            if (e instanceof BindException) {
                logger.warn("Failed to bind to a free port; trying again", e);
                bindFailureCause = (BindException) e;
                refreshLocalAddress(sb);
            } else {
                throw e;
            }
        }
    }
    if (sc == null) {
        throw bindFailureCause;
    }
    Channel cc;
    if (bindClient) {
        cc = cb.bind().sync().channel();
    } else {
        cb.option(ChannelOption.DATAGRAM_CHANNEL_ACTIVE_ON_REGISTRATION, true);
        cc = cb.register().sync().channel();
    }
    for (int i = 0; i < count; i++) {
        cc.write(new DatagramPacket(buf.retain().duplicate(), addr));
    }
    // release as we used buf.retain() before
    buf.release();
    cc.flush();
    assertTrue(latch.await(10, TimeUnit.SECONDS));
    sc.close().sync();
    cc.close().sync();
}

Example 4 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project java-in-action by xinghalo.

the class LogEventEncoder method encode.

@Override
protected void encode(ChannelHandlerContext channelHandlerContext, LogEvent logEvent, List<Object> list) throws Exception {
    byte[] file = logEvent.getLogfile().getBytes(CharsetUtil.UTF_8);
    byte[] msg = logEvent.getMsg().getBytes(CharsetUtil.UTF_8);
    ByteBuf buf = channelHandlerContext.alloc().buffer(file.length + msg.length + 1);
    buf.writeBytes(file);
    buf.writeByte(LogEvent.SEPARATOR);
    buf.writeBytes(msg);
    list.add(new DatagramPacket(buf, address));
}

Example 5 with DatagramPacket

use of io.netty.channel.socket.DatagramPacket in project java-tron by tronprotocol.

the class MessageHandler method sendPacket.

void sendPacket(byte[] wire, InetSocketAddress address) {
    DatagramPacket packet = new DatagramPacket(Unpooled.copiedBuffer(wire), address);
    channel.write(packet);
    channel.flush();
}