Example usage for io.netty.channel ChannelHandlerContext alloc

Introduction

In this page you can find the example usage for io.netty.channel ChannelHandlerContext alloc.

Prototype

ByteBufAllocator alloc();

Source Link

Document

Return the assigned ByteBufAllocator which will be used to allocate ByteBuf s.

Usage

From source file:com.lambdaworks.redis.server.RandomServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    byte initial[] = new byte[1];
    random.nextBytes(initial);/*  w ww  .ja  v  a  2  s  . c om*/

    byte[] response = new byte[Math.abs((int) initial[0])];

    Arrays.fill(response, "A".getBytes()[0]);

    ByteBuf buf = ctx.alloc().heapBuffer(response.length);

    ByteBuf encoded = buf.writeBytes(response);
    ctx.write(encoded);
}

From source file:com.liferay.sync.engine.lan.server.file.SyncChunkedFile.java

License:Open Source License

/**
 * @deprecated As of 3.3.0, As of Netty 4.1.0, replaced by {@link
 *             #readChunk(ByteBufAllocator)}
 *//*w  ww.  j  a v  a 2s .  c o m*/
@Deprecated
@Override
public ByteBuf readChunk(ChannelHandlerContext channelHandlerContext) throws Exception {

    return readChunk(channelHandlerContext.alloc());
}

From source file:com.linecorp.armeria.internal.http.HttpObjectEncoder.java

License:Apache License

protected static ByteBuf toByteBuf(ChannelHandlerContext ctx, HttpData data) {
    final ByteBuf buf = ctx.alloc().directBuffer(data.length(), data.length());
    buf.writeBytes(data.array(), data.offset(), data.length());
    return buf;//from  ww w  . ja va2  s.co m
}

From source file:com.linecorp.armeria.internal.HttpObjectEncoder.java

License:Apache License

protected static ByteBuf toByteBuf(ChannelHandlerContext ctx, HttpData data) {
    if (data instanceof ByteBufHolder) {
        return ((ByteBufHolder) data).content();
    }/*w w w.j a va  2  s . c om*/
    final ByteBuf buf = ctx.alloc().directBuffer(data.length(), data.length());
    buf.writeBytes(data.array(), data.offset(), data.length());
    return buf;
}

From source file:com.linkedin.r2.transport.http.client.Http2InitializerHandler.java

License:Apache License

/**
 * Sets up HTTP/2 over TLS through ALPN (h2) pipeline
 *//*w  w w. j  a  v  a2 s.c o  m*/
private void configureHttpsPipeline(ChannelHandlerContext ctx) throws Exception {
    JdkSslContext context = new JdkSslContext(_sslContext, IS_CLIENT,
            Arrays.asList(_sslParameters.getCipherSuites()), IdentityCipherSuiteFilter.INSTANCE,
            new ApplicationProtocolConfig(ApplicationProtocolConfig.Protocol.ALPN,
                    ApplicationProtocolConfig.SelectorFailureBehavior.NO_ADVERTISE,
                    ApplicationProtocolConfig.SelectedListenerFailureBehavior.ACCEPT,
                    ApplicationProtocolNames.HTTP_2, ApplicationProtocolNames.HTTP_1_1),
            _sslParameters.getNeedClientAuth() ? ClientAuth.REQUIRE : ClientAuth.OPTIONAL);
    SslHandler sslHandler = context.newHandler(ctx.alloc());

    Http2StreamCodec http2Codec = new Http2StreamCodecBuilder().connection(_connection)
            .maxContentLength(_maxResponseSize).maxHeaderSize(_maxHeaderSize)
            .gracefulShutdownTimeoutMillis(_gracefulShutdownTimeout).streamingTimeout(_streamingTimeout)
            .scheduler(_scheduler).build();

    Http2AlpnHandler alpnHandler = new Http2AlpnHandler(sslHandler, http2Codec);
    Http2SchemeHandler schemeHandler = new Http2SchemeHandler(HttpScheme.HTTPS.toString());
    Http2StreamResponseHandler responseHandler = new Http2StreamResponseHandler();
    Http2ChannelPoolHandler channelPoolHandler = new Http2ChannelPoolHandler();

    ctx.pipeline().addBefore(ctx.name(), "alpnHandler", alpnHandler);
    ctx.pipeline().addBefore(ctx.name(), "schemeHandler", schemeHandler);
    ctx.pipeline().addBefore(ctx.name(), "responseHandler", responseHandler);
    ctx.pipeline().addBefore(ctx.name(), "channelHandler", channelPoolHandler);

    _setupComplete = true;
}

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

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) { // (1)

    String s = "<stream:stream to=\"54.148.43.16\" xmlns=\"jabber:client\" xmlns:stream=\"http://etherx.jabber.org/streams\" version=\"1.0\">\"\r\n";
    final ByteBuf str = ctx.alloc().buffer(s.getBytes().length); // (2)
    str.writeBytes(s.getBytes());/*  w ww .  j  a  v  a 2s  .c o  m*/
    LOGGER.trace("channelActive : {}");
    final ChannelFuture f = ctx.writeAndFlush(str);
    f.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture arg0) throws Exception {
            LOGGER.trace("operationComplete : {}");
        }

    });
    /*final ChannelFuture f = ctx.writeAndFlush(time); // (3)
    f.addListener(new ChannelFutureListener() {
     public void operationComplete(ChannelFuture arg0) throws Exception {
            
     }
            
    }); */// (4)
}

From source file:com.mastfrog.scamper.compression.CompressingCodec.java

License:Open Source License

private MessageTypeAndBuffer decodeImpl(ByteBuf buf, ChannelHandlerContext ctx, int sctpChannel)
        throws Exception {
    MessageType messageType = reg.forByteBuf(buf);
    if (messageType.isUnknown()) {
        return new MessageTypeAndBuffer(messageType, buf.slice(), sctpChannel);
    }//from www.  jav  a  2  s .  c o  m
    ByteBuf bb = ctx.alloc().buffer();
    uncompress(buf.slice(), bb);
    return new MessageTypeAndBuffer(messageType, bb, sctpChannel);
}

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

License:Apache License

@Override
public ByteBuf readChunk(ChannelHandlerContext ctx) throws Exception {
    return readChunk(ctx.alloc());
}

From source file:com.mycompany.device.FFDevice.java

public FFDevice(SocketChannel ch) {
    this.req = null;
    this.soc = ch;
    this.data_rcv = soc.alloc().buffer(512);
    this.reg_str = "";
    this.connect_time = System.currentTimeMillis();

    ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast(new IdleStateHandler(0, 0, idle_time_interval_s));
    pipeline.addLast(new MessageToByteEncoder<byte[]>() {
        @Override// w w w. j av  a2 s  .co  m
        protected void encode(ChannelHandlerContext ctx, byte[] msg, ByteBuf out) throws Exception {
            // TODO Auto-generated method stub
            out.writeBytes(msg);
        }
    });
    pipeline.addLast(new ChannelInboundHandlerAdapter() {
        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
            // TODO Auto-generated method stub
            ByteBuf bb = (ByteBuf) msg;
            if (reg_str.equals("")) {
                reg_str = bb.toString(Charset.defaultCharset());
                FFServer.logger.info(String.format("device that has regs %s is registed", reg_str));
            } else {
                FFServer.logger.debug(String.format("%s receive: %d bytes", reg_str, bb.readableBytes()));
                data_rcv.writeBytes(bb);
            }
            ReferenceCountUtil.release(msg);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            // TODO Auto-generated method stub
            FFServer.logger.error(cause);
            Close();
        }

        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
            if (evt instanceof IdleStateEvent) {
                IdleStateEvent event = (IdleStateEvent) evt;
                if (event.state() == IdleState.ALL_IDLE) {
                    FFServer.logger.info(String.format("%s in idle state", reg_str));

                    ByteBuf hb = ctx.alloc().buffer(1).writeByte('.');
                    Send(hb);
                }
            }
        }
    });

    ChannelFuture f = soc.closeFuture();
    f.addListener((ChannelFutureListener) new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            is_closed = true;
            FFServer.logger.info(String.format("%s disconnected", reg_str));
        }
    });
}

From source file:com.necla.simba.server.gateway.server.backend.BackendFrameDecoder.java

License:Apache License

private ByteBuf extractMessage(ChannelHandlerContext ctx, ByteBuf in, int index, int length) {
    ByteBuf frame = ctx.alloc().buffer(length);
    frame.writeBytes(in, index, length);
    return frame;
}