Example usage for io.netty.buffer ByteBuf release

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf release.

Prototype

boolean release();

Source Link

Document

Decreases the reference count by 1 and deallocates this object if the reference count reaches at 0 .

Usage

From source file:com.alibaba.rocketmq.remoting.netty.NettyDecoder.java

License:Apache License

@Override
public Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    ByteBuf frame = null;
    try {//from  w  w  w  .  ja v a 2s.  co  m
        frame = (ByteBuf) super.decode(ctx, in);
        if (null == frame) {
            return null;
        }

        ByteBuffer byteBuffer = frame.nioBuffer();

        return RemotingCommand.decode(byteBuffer);
    } catch (Exception e) {
        log.error("decode exception, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel()), e);
        RemotingUtil.closeChannel(ctx.channel());
    } finally {
        if (null != frame) {
            frame.release();
        }
    }

    return null;
}

From source file:com.allanbank.mongodb.netty.NettyOutputBufferTest.java

License:Apache License

/**
 * Test method for {@link NettyOutputBuffer#close()}.
 *//*  ww w. j  a v a2 s.c om*/
@Test
public void testClose() {
    final ByteBuf mockBuffer = createMock(ByteBuf.class);

    expect(mockBuffer.writerIndex()).andReturn(0);
    expect(mockBuffer.release()).andReturn(true);

    replay(mockBuffer);

    final NettyOutputBuffer outBuffer = new NettyOutputBuffer(mockBuffer, new StringEncoderCache());

    assertThat(outBuffer.getBuffer(), sameInstance(mockBuffer));

    outBuffer.close();

    verify(mockBuffer);
}

From source file:com.athena.dolly.websocket.server.test.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/*from  w w w.j a  va2  s .  co m*/
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.athena.dolly.websocket.server.test.WebSocketSslServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//from www .  j  a v a 2s  . co  m
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().write(res);
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.basho.riak.client.core.netty.RiakHttpMessageHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof HttpResponse) {
        message = new RiakHttpMessage((HttpResponse) msg);
    }/*from  ww  w  . j  av  a 2s. co m*/

    if (msg instanceof HttpContent) {
        /** TODO: commented for compilation
         * chunks.add(((HttpContent)msg).data().retain());
         * totalContentLength += ((HttpContent)msg).data().readableBytes();
         */

        if (msg instanceof LastHttpContent) {
            byte[] bytes = new byte[totalContentLength];
            int index = 0;
            for (ByteBuf buffer : chunks) {
                int readable = buffer.readableBytes();
                buffer.readBytes(bytes, index, readable);
                index += readable;
                buffer.release();
            }

            int responseCode = message.getResponse().getStatus().code();
            message.setContent(bytes);

            /**  TODO: commented for compilation
            if ( responseCode < 200 || 
            (responseCode >= 400 && responseCode != 404 && responseCode != 412 ) )
            {
            listener.onException(chc.channel(), new RiakResponseException(responseCode, new String(bytes)));
            }
            else
            { 
            message.setContent(bytes);
            listener.onSuccess(chc.channel(), message);
            }
            chc.channel().pipeline().remove(this);
             */
        }
    }
}

From source file:com.cats.version.httpserver.HttpStaticFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    String dirPath = dir.getPath();
    StringBuilder buf = new StringBuilder().append("<!DOCTYPE html>\r\n").append("<html><head><title>")
            .append("Listing of: ").append(dirPath).append("</title></head><body>\r\n")

            .append("<h3>Listing of: ").append(dirPath).append("</h3>\r\n")

            .append("<ul>").append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }/*w  ww . j ava 2  s  .  c o  m*/

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"").append(name).append("\">").append(name).append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.cats.version.httpserver.HttpStaticFileServerHandler.java

License:Apache License

public static void sendWarningInfo(ChannelHandlerContext ctx) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    StringBuffer buf = new StringBuffer();
    buf.append("<!DOCTYPE html>\r\n<html>");
    buf.append("<br/><br/><br/><br/><br/><br/>");
    buf.append("<center><font size='5px'>");
    buf.append(/*from  w ww .  j ava  2  s .c  o  m*/
            "Access denied, because this is version monitor service server</br></br> CTAS@Intel 2016~2026 All rights reserved");
    buf.append("</font></center>");
    buf.append("<html>");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();
    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.cats.version.httpserver.msg.IMsgHandler.java

License:Apache License

public void sendMessageToClient(String strRsp, ChannelHandlerContext ctx) {
    if (null == strRsp) {
        return;/* w w  w . java 2  s  . co m*/
    }
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    ByteBuf buffer = Unpooled.copiedBuffer(strRsp, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.cdg.study.netty.discard.DiscardServerHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext context, Object msg) { // Netty? ?? 
    ByteBuf buf = (ByteBuf) msg; // ??   ?? ?
    try {//from w w w.  j a  va2s  .c om
        while (buf.isReadable()) { // (1)
            System.out.print((char) buf.readByte());
            System.out.flush();
        }
    } finally {
        buf.release(); //  ?  ? 
    }
}

From source file:com.cdg.study.netty.time.TimeClientHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    ByteBuf m = (ByteBuf) msg; // (1)
    try {//w  w  w .  j av  a2 s.com
        long currentTimeMillis = (m.readUnsignedInt() - 2208988800L) * 1000L;
        System.out.println(new Date(currentTimeMillis));
        ctx.close();
    } finally {
        m.release();
    }
}