Java Code Examples for io.netty.buffer.Unpooled#unreleasableBuffer()

The following examples show how to use io.netty.buffer.Unpooled#unreleasableBuffer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RedisEncoderBenchmark.java    From netty-4.1.22 with Apache License 2.0 6 votes vote down vote up 
@Setup(Level.Trial)
public void setup() {
    byte[] bytes = new byte[256];
    content = Unpooled.buffer(bytes.length);
    content.writeBytes(bytes);
    ByteBuf testContent = Unpooled.unreleasableBuffer(content.asReadOnly());

    List<RedisMessage> rList = new ArrayList<RedisMessage>(arraySize);
    for (int i = 0; i < arraySize; ++i) {
        rList.add(new FullBulkStringRedisMessage(testContent));
    }
    redisArray = new ArrayRedisMessage(rList);
    encoder = new RedisEncoder();
    context = new EmbeddedChannelWriteReleaseHandlerContext(pooledAllocator ? PooledByteBufAllocator.DEFAULT :
            UnpooledByteBufAllocator.DEFAULT, encoder) {
        @Override
        protected void handleException(Throwable t) {
            handleUnexpectedException(t);
        }
    };
}
Example 2
Source File: ByteBufUtilBenchmark.java    From netty-4.1.22 with Apache License 2.0 6 votes vote down vote up 
@Setup
public void setup() {
    // Use buffer sizes that will also allow to write UTF-8 without grow the buffer
    buffer = Unpooled.directBuffer(512);
    wrapped = Unpooled.unreleasableBuffer(Unpooled.directBuffer(512));
    asciiSequence = new StringBuilder(128);
    for (int i = 0; i < 128; i++) {
        asciiSequence.append('a');
    }
    ascii = asciiSequence.toString();

    // Generate some mixed UTF-8 String for benchmark
    utf8Sequence = new StringBuilder(128);
    char[] chars = "Some UTF-8 like äÄ∏ŒŒ".toCharArray();
    for (int i = 0; i < 128; i++) {
        utf8Sequence.append(chars[i % chars.length]);
    }
    utf8 = utf8Sequence.toString();
    asciiSequence = utf8Sequence;

    asciiBuffer = Unpooled.copiedBuffer(ascii, CharsetUtil.US_ASCII);
    utf8Buffer = Unpooled.copiedBuffer(utf8, CharsetUtil.UTF_8);
}
Example 3
Source File: NettyOioServer.java    From blog with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
public void server(int port) throws Exception {
	final ByteBuf buf = Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("Hi!\r\n", Charset.forName("UTF-8")));
	EventLoopGroup group = new OioEventLoopGroup();
	try {
		ServerBootstrap b = new ServerBootstrap();
		b.group(group).channel(OioServerSocketChannel.class).localAddress(new InetSocketAddress(port))
				.childHandler(new ChannelInitializer<SocketChannel>() {
					@Override
					public void initChannel(SocketChannel ch) throws Exception {
						ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
							@Override
							public void channelActive(ChannelHandlerContext ctx) throws Exception {
								ctx.writeAndFlush(buf.duplicate()).addListener(ChannelFutureListener.CLOSE);
							}
						});
					}
				});
		ChannelFuture f = b.bind().sync();
		f.channel().closeFuture().sync();
	} finally {
		group.shutdownGracefully().sync();
	}
}
Example 4
Source File: ByteBufUtilBenchmark.java    From netty4.0.27Learn with Apache License 2.0 6 votes vote down vote up 
@Setup
public void setup() {
    // Use buffer sizes that will also allow to write UTF-8 without grow the buffer
    buffer = Unpooled.directBuffer(512);
    wrapped = Unpooled.unreleasableBuffer(Unpooled.directBuffer(512));
    asciiSequence = new StringBuilder(128);
    for (int i = 0; i < 128; i++) {
        asciiSequence.append('a');
    }
    ascii = asciiSequence.toString();

    // Generate some mixed UTF-8 String for benchmark
    utf8Sequence = new StringBuilder(128);
    char[] chars = "Some UTF-8 like äÄ∏ŒŒ".toCharArray();
    for (int i = 0; i < 128; i++) {
        utf8Sequence.append(chars[i % chars.length]);
    }
    utf8 = utf8Sequence.toString();
    asciiSequence = utf8Sequence;
}
Example 5
Source File: NettyNioServer.java    From code with Apache License 2.0 5 votes vote down vote up 
public void server(int port) throws Exception {
    final ByteBuf buf =
            Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("Hi!\r\n",
                    StandardCharsets.UTF_8));
    //为非阻塞模式使用NioEventLoopGroup
    NioEventLoopGroup group = new NioEventLoopGroup();
    try {
        //创建ServerBootstrap
        ServerBootstrap b = new ServerBootstrap();
        b.group(group).channel(NioServerSocketChannel.class)
                .localAddress(new InetSocketAddress(port))
                //指定 ChannelInitializer，对于每个已接受的连接都调用它
                .childHandler(new ChannelInitializer<SocketChannel>() {
                                  @Override
                                  public void initChannel(SocketChannel ch)
                                          throws Exception {
                                      ch.pipeline().addLast(
                                              //添加 ChannelInboundHandlerAdapter以接收和处理事件
                                              new ChannelInboundHandlerAdapter() {
                                                  @Override
                                                  public void channelActive(
                                                          //将消息写到客户端，并添加ChannelFutureListener，
                                                          //以便消息一被写完就关闭连接
                                                          ChannelHandlerContext ctx) throws Exception {
                                                      ctx.writeAndFlush(buf.duplicate())
                                                              .addListener(
                                                                      ChannelFutureListener.CLOSE);
                                                  }
                                              });
                                  }
                              }
                );
        //绑定服务器以接受连接
        ChannelFuture f = b.bind().sync();
        f.channel().closeFuture().sync();
    } finally {
        //释放所有的资源
        group.shutdownGracefully().sync();
    }
}
Example 6
Source File: GatewayHandler.java    From arcusplatform with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings({ "unchecked", "rawtypes", "null" })
GatewayHandler(WebSocketClientHandshaker handshaker) {
   this.authorizedMessages = new SerializedSubject(PublishSubject.create());
   this.registeredMessages = new SerializedSubject(PublishSubject.create());
   this.platformMessages = new SerializedSubject(PublishSubject.create());
   this.protocolMessages = new SerializedSubject(PublishSubject.create());

   this.handshaker = handshaker;
   this.websocketFrameBuf = Unpooled.unreleasableBuffer(Unpooled.buffer(GatewayConnection.WEBSOCKETS_MAX_FRAME_LENGTH));

   this.lastHubMsg = System.nanoTime();
   this.lastPlatformMsg = System.nanoTime();
}
Example 7
Source File: HttpObjectEncoderBenchmark.java    From netty-4.1.22 with Apache License 2.0 5 votes vote down vote up 
@Setup(Level.Trial)
public void setup() {
    byte[] bytes = new byte[256];
    content = Unpooled.buffer(bytes.length);
    content.writeBytes(bytes);
    ByteBuf testContent = Unpooled.unreleasableBuffer(content.asReadOnly());
    HttpHeaders headersWithChunked = new DefaultHttpHeaders(false);
    headersWithChunked.add(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED);
    HttpHeaders headersWithContentLength = new DefaultHttpHeaders(false);
    headersWithContentLength.add(HttpHeaderNames.CONTENT_LENGTH, testContent.readableBytes());

    fullRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/index", testContent,
            headersWithContentLength, EmptyHttpHeaders.INSTANCE);
    contentLengthRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/index",
            headersWithContentLength);
    chunkedRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, "/index", headersWithChunked);
    lastContent = new DefaultLastHttpContent(testContent, false);

    encoder = new HttpRequestEncoder();
    context = new EmbeddedChannelWriteReleaseHandlerContext(pooledAllocator ? PooledByteBufAllocator.DEFAULT :
            UnpooledByteBufAllocator.DEFAULT, encoder) {
        @Override
        protected void handleException(Throwable t) {
            handleUnexpectedException(t);
        }
    };
}
Example 8
Source File: ChannelBufferWrapper.java    From activemq-artemis with Apache License 2.0 5 votes vote down vote up 
public ChannelBufferWrapper(final ByteBuf buffer, boolean releasable, boolean pooled) {
   if (!releasable) {
      this.buffer = Unpooled.unreleasableBuffer(buffer);
   } else {
      this.buffer = buffer;
   }
   this.releasable = releasable;
   this.isPooled = pooled;

}
Example 9
Source File: NettyOioServer.java    From code with Apache License 2.0 4 votes vote down vote up 
public void server(int port)
        throws Exception {
    final ByteBuf buf =
            Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("Hi!\r\n", StandardCharsets.UTF_8));
    EventLoopGroup group = new OioEventLoopGroup();
    try {
        //创建 ServerBootstrap
        ServerBootstrap b = new ServerBootstrap();
        b.group(group)
                //使用 OioEventLoopGroup以允许阻塞模式（旧的I/O）
                .channel(OioServerSocketChannel.class)
                .localAddress(new InetSocketAddress(port))
                //指定 ChannelInitializer，对于每个已接受的连接都调用它
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch)
                            throws Exception {
                        ch.pipeline().addLast(
                                //添加一个 ChannelInboundHandlerAdapter以拦截和处理事件
                                new ChannelInboundHandlerAdapter() {
                                    @Override
                                    public void channelActive(
                                            ChannelHandlerContext ctx)
                                            throws Exception {
                                        ctx.writeAndFlush(buf.duplicate())
                                                .addListener(
                                                        //将消息写到客户端，并添加 ChannelFutureListener，
                                                        //以便消息一被写完就关闭连接
                                                        ChannelFutureListener.CLOSE);
                                    }
                                });
                    }
                });
        //绑定服务器以接受连接
        ChannelFuture f = b.bind().sync();
        f.channel().closeFuture().sync();
    } finally {
        //释放所有的资源
        group.shutdownGracefully().sync();
    }
}
Example 10
Source File: BufferImpl.java    From gravitee-gateway with Apache License 2.0 4 votes vote down vote up 
BufferImpl(int initialSizeHint) {
    buffer = Unpooled.unreleasableBuffer(Unpooled.buffer(initialSizeHint, Integer.MAX_VALUE));
}
Example 11
Source File: NettyBufferFactory.java    From Lealone-Plugins with Apache License 2.0 4 votes vote down vote up 
@Override
public NetBuffer createBuffer(int initialSizeHint) {
    ByteBuf buffer = Unpooled.unreleasableBuffer(Unpooled.buffer(initialSizeHint, Integer.MAX_VALUE));
    return new NettyBuffer(buffer);
}