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.linecorp.armeria.unsafe.grpc.GrpcUnsafeBufferUtil.java

License:Apache License

/**
 * Releases the {@link ByteBuf} backing the provided {@link Message}.
 *///w ww.j  a  v a  2s. com
public static void releaseBuffer(Object message, RequestContext ctx) {
    IdentityHashMap<Object, ByteBuf> buffers = ctx.attr(BUFFERS).get();
    checkState(buffers != null, "Releasing buffer even though storeBuffer has not been called.");
    ByteBuf removed = buffers.remove(message);
    if (removed == null) {
        throw new IllegalArgumentException("The provided message does not have a stored buffer.");
    }
    removed.release();
}

From source file:com.linkedin.pinot.transport.perf.ScatterGatherPerfClient.java

License:Apache License

private static void releaseByteBuf(CompositeFuture<ServerInstance, ByteBuf> future) throws Exception {
    Map<ServerInstance, ByteBuf> bMap = future.get();
    if (null != bMap) {
        for (Entry<ServerInstance, ByteBuf> bEntry : bMap.entrySet()) {
            ByteBuf b = bEntry.getValue();
            if (null != b) {
                b.release();
            }//from w w  w .  j  av  a  2  s.co m
        }
    }
}

From source file:com.lxz.talk.websocketx.server.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  va 2 s  .co  m*/
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);

    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.magnet.yak.load.XMPPHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    System.out.println("CHANNEL READ CALLED");
    ByteBuf m = (ByteBuf) msg; // (1)
    try {//from   w  w  w  . j  a  va 2  s.co m
        long currentTimeMillis = (m.readUnsignedInt() - 2208988800L) * 1000L;
        System.out.println(new Date(currentTimeMillis));
        ctx.close();
    } finally {
        m.release();
    }
}

From source file:com.mastfrog.tinymavenproxy.FileFinder.java

License:Open Source License

public synchronized void put(final Path path, final ByteBuf content, final DateTime lastModified) {
    // This method is currently unused, but if we enhance the server to accept
    // uploads, we will likely need code a lot like this
    if (content.readableBytes() == 0) {
        return;/*from www .j a  va  2 s  . c o m*/
    }
    final ByteBuf buf = content.duplicate();
    threadPool.submit(new Callable<Void>() {
        @Override
        public Void call() throws Exception {
            final File target = new File(config.dir, path.toString().replace('/', File.separatorChar));
            buf.retain();
            if (!target.exists()) {
                if (!target.getParentFile().exists()) {
                    if (!target.getParentFile().mkdirs()) {
                        throw new IOException("Could not create " + target.getParentFile());
                    }
                }
                if (!target.createNewFile()) {
                    throw new IOException("Could not create " + target);
                }
            }
            try (ByteBufInputStream in = new ByteBufInputStream(buf)) {
                try (OutputStream out = new BufferedOutputStream(new FileOutputStream(target))) {
                    Streams.copy(in, out, 1024);
                }
            } catch (IOException ioe) {
                if (target.exists()) {
                    target.delete();
                }
                throw ioe;
            } finally {
                buf.release();
            }
            threadPool.submit(new Runnable() {

                @Override
                public void run() {
                    if (lastModified != null) {
                        target.setLastModified(lastModified.getMillis());
                    }
                }
            });
            return null;
        }
    });
}

From source file:com.mikesilversides.mod1.ServerTest.EchoClientHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    //ctx.write(msg);
    ByteBuf in = (ByteBuf) msg;
    System.out.println("returned msg = " + in.toString(io.netty.util.CharsetUtil.UTF_8));
    in.release();
}

From source file:com.mikesilversides.mod1.ServerTest.StubClientHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    //ctx.write(msg);
    ByteBuf in = (ByteBuf) msg;
    final Byte inByte = in.readByte();
    System.out.println("received from stub1 byte = " + inByte);
    in.release();

    if (startSent) {
        if (inByte == 2) { // 2=ack
            System.out.println("received ack from stub1");
            startSent = false;//from  ww  w  .j  a va 2s .  c o m
        } else {
            System.out.println("unexpected reply received, closing connection");
            ctx.close();
            stubClientPlayer.addChatMessage(
                    new ChatComponentText("unexpected stub1 reply received, connection closed"));
        }
    } else {
        //stubClientPlayer.addChatMessage(new ChatComponentText("stub1 sent byte = "+inByte));

        // This code creates a new task which will be executed by the server during the next tick,
        //  for example see MinecraftServer.updateTimeLightAndEntities(), just under section
        //      this.theProfiler.startSection("jobs");
        //  In this case, the task is to call messageHandlerOnServer.processMessage(message, sendingPlayer)
        //final WorldServer playerWorldServer = sendingPlayer.getServerForPlayer();
        //playerWorldServer.addScheduledTask(new Runnable() {
        MinecraftServer.getServer().addScheduledTask(new Runnable() {
            public void run() {
                processMessage(inByte);
            }
        });
    }
}

From source file:com.minetats.mw.NamedPipe.java

License:Apache License

@Override
public ByteBuf readChunk(ByteBufAllocator bba) throws Exception {
    chunks++;//  w w  w  . j  ava 2  s .co m
    ByteBuf buf = bba.heapBuffer(chunkSize);
    boolean release = false;
    int read = 0;
    try {
        do {
            buf.writerIndex(buf.writerIndex() + read);
            read = file.read(buf.array(), buf.arrayOffset() + read, chunkSize - read);
        } while (read > 0);
        int index = buf.writerIndex() - 1;
        if (buf.getByte(index) == '\n' && buf.getByte(index - 1) == '\n') {
            endOfInput = true;
            System.out.println("endOfInput=" + endOfInput + ", read " + chunks + " chunks");
        }
        return buf;
    } finally {
        if (release) {
            buf.release();
        }
    }
}

From source file:com.mobius.software.android.iotbroker.mqtt.net.MQDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    ByteBuf nextHeader = null;
    do {//from   www .j  a v  a  2s .com
        if (buf.readableBytes() > 1)
            nextHeader = MQParser.next(buf);

        if (nextHeader != null) {
            buf.readBytes(nextHeader, nextHeader.capacity());
            try {
                MQMessage header = MQParser.decode(nextHeader);
                out.add(header);
            } catch (Exception e) {
                buf.resetReaderIndex();
                ctx.channel().pipeline().remove(this);
                throw e;
            } finally {
                nextHeader.release();
            }
        }
    } while (buf.readableBytes() > 1 && nextHeader != null);
}

From source file:com.mobius.software.mqtt.performance.controller.net.Decoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) {
    ByteBuf nextHeader = null;
    do {//from w w  w  . j av  a2 s . c o  m
        if (buf.readableBytes() > 1) {
            try {
                nextHeader = MQParser.next(buf);
            } catch (MalformedMessageException | IndexOutOfBoundsException ex) {
                buf.resetReaderIndex();
                if (nextHeader != null)
                    nextHeader = null;
            }
        }

        if (nextHeader != null) {
            buf.readBytes(nextHeader, nextHeader.capacity());
            try {
                MQMessage header = MQParser.decode(nextHeader);
                out.add(header);
            } catch (Exception e) {
                buf.resetReaderIndex();
                ctx.channel().pipeline().remove(this);
                throw e;
            } finally {
                nextHeader.release();
            }
        }
    } while (buf.readableBytes() > 1 && nextHeader != null);
}