io.netty.channel.ChannelConfig#setAutoRead

Source File: ServerBootstrap.java From arcusplatform with Apache License 2.0

6 votes

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    final ChannelConfig config = ctx.channel().config();
    if (config.isAutoRead()) {
        // stop accept new connections for 1 second to allow the channel to recover
        // See https://github.com/netty/netty/issues/1328
        config.setAutoRead(false);
        ctx.channel().eventLoop().schedule(new Runnable() {
            @Override
            public void run() {
               config.setAutoRead(true);
            }
        }, 1, TimeUnit.SECONDS);
    }
    // still let the exceptionCaught event flow through the pipeline to give the user
    // a chance to do something with it
    ctx.fireExceptionCaught(cause);
}

Source File: DefaultRegistryServer.java From Jupiter with Apache License 2.0

6 votes

@Override
public void channelWritabilityChanged(ChannelHandlerContext ctx) throws Exception {
    Channel ch = ctx.channel();
    ChannelConfig config = ch.config();

    // 高水位线: ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK
    // 低水位线: ChannelOption.WRITE_BUFFER_LOW_WATER_MARK
    if (!ch.isWritable()) {
        // 当前channel的缓冲区(OutboundBuffer)大小超过了WRITE_BUFFER_HIGH_WATER_MARK
        if (logger.isWarnEnabled()) {
            logger.warn("{} is not writable, high water mask: {}, the number of flushed entries that are not written yet: {}.",
                    ch, config.getWriteBufferHighWaterMark(), ch.unsafe().outboundBuffer().size());
        }

        config.setAutoRead(false);
    } else {
        // 曾经高于高水位线的OutboundBuffer现在已经低于WRITE_BUFFER_LOW_WATER_MARK了
        if (logger.isWarnEnabled()) {
            logger.warn("{} is writable(rehabilitate), low water mask: {}, the number of flushed entries that are not written yet: {}.",
                    ch, config.getWriteBufferLowWaterMark(), ch.unsafe().outboundBuffer().size());
        }

        config.setAutoRead(true);
    }
}

Source File: AcceptorHandler.java From Jupiter with Apache License 2.0

6 votes

@Override
public void channelWritabilityChanged(ChannelHandlerContext ctx) throws Exception {
    Channel ch = ctx.channel();
    ChannelConfig config = ch.config();

    // 高水位线: ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK
    // 低水位线: ChannelOption.WRITE_BUFFER_LOW_WATER_MARK
    if (!ch.isWritable()) {
        // 当前channel的缓冲区(OutboundBuffer)大小超过了WRITE_BUFFER_HIGH_WATER_MARK
        if (logger.isWarnEnabled()) {
            logger.warn("{} is not writable, high water mask: {}, the number of flushed entries that are not written yet: {}.",
                    ch, config.getWriteBufferHighWaterMark(), ch.unsafe().outboundBuffer().size());
        }

        config.setAutoRead(false);
    } else {
        // 曾经高于高水位线的OutboundBuffer现在已经低于WRITE_BUFFER_LOW_WATER_MARK了
        if (logger.isWarnEnabled()) {
            logger.warn("{} is writable(rehabilitate), low water mask: {}, the number of flushed entries that are not written yet: {}.",
                    ch, config.getWriteBufferLowWaterMark(), ch.unsafe().outboundBuffer().size());
        }

        config.setAutoRead(true);
    }
}

Source File: ConnectorHandler.java From Jupiter with Apache License 2.0

6 votes

@Override
public void channelWritabilityChanged(ChannelHandlerContext ctx) throws Exception {
    Channel ch = ctx.channel();
    ChannelConfig config = ch.config();

    // 高水位线: ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK
    // 低水位线: ChannelOption.WRITE_BUFFER_LOW_WATER_MARK
    if (!ch.isWritable()) {
        // 当前channel的缓冲区(OutboundBuffer)大小超过了WRITE_BUFFER_HIGH_WATER_MARK
        if (logger.isWarnEnabled()) {
            logger.warn("{} is not writable, high water mask: {}, the number of flushed entries that are not written yet: {}.",
                    ch, config.getWriteBufferHighWaterMark(), ch.unsafe().outboundBuffer().size());
        }

        config.setAutoRead(false);
    } else {
        // 曾经高于高水位线的OutboundBuffer现在已经低于WRITE_BUFFER_LOW_WATER_MARK了
        if (logger.isWarnEnabled()) {
            logger.warn("{} is writable(rehabilitate), low water mask: {}, the number of flushed entries that are not written yet: {}.",
                    ch, config.getWriteBufferLowWaterMark(), ch.unsafe().outboundBuffer().size());
        }

        config.setAutoRead(true);
    }
}

Source File: ServerBootstrap.java From netty4.0.27Learn with Apache License 2.0

6 votes

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    final ChannelConfig config = ctx.channel().config();
    if (config.isAutoRead()) {
        // stop accept new connections for 1 second to allow the channel to recover
        // See https://github.com/netty/netty/issues/1328
        config.setAutoRead(false);
        ctx.channel().eventLoop().schedule(new Runnable() {
            @Override
            public void run() {
               config.setAutoRead(true);
            }
        }, 1, TimeUnit.SECONDS);
    }
    // still let the exceptionCaught event flow through the pipeline to give the user
    // a chance to do something with it
    ctx.fireExceptionCaught(cause);
}

Source File: AbstractTrafficShapingHandler.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
public void run() {
    Channel channel = ctx.channel();
    ChannelConfig config = channel.config();
    if (!config.isAutoRead() && isHandlerActive(ctx)) {
        // If AutoRead is False and Active is True, user make a direct setAutoRead(false)
        // Then Just reset the status
        if (logger.isDebugEnabled()) {
            logger.debug("Not unsuspend: " + config.isAutoRead() + ':' +
                    isHandlerActive(ctx));
        }
        channel.attr(READ_SUSPENDED).set(false);
    } else {
        // Anything else allows the handler to reset the AutoRead
        if (logger.isDebugEnabled()) {
            if (config.isAutoRead() && !isHandlerActive(ctx)) {
                logger.debug("Unsuspend: " + config.isAutoRead() + ':' +
                        isHandlerActive(ctx));
            } else {
                logger.debug("Normal unsuspend: " + config.isAutoRead() + ':'
                        + isHandlerActive(ctx));
            }
        }
        channel.attr(READ_SUSPENDED).set(false);
        config.setAutoRead(true);
        channel.read();
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Unsuspend final status => " + config.isAutoRead() + ':'
                + isHandlerActive(ctx));
    }
}

Source File: ServerBootstrap.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    final ChannelConfig config = ctx.channel().config();
    if (config.isAutoRead()) {
        // stop accept new connections for 1 second to allow the channel to recover
        // See https://github.com/netty/netty/issues/1328
        config.setAutoRead(false);
        ctx.channel().eventLoop().schedule(enableAutoReadTask, 1, TimeUnit.SECONDS);
    }
    // still let the exceptionCaught event flow through the pipeline to give the user
    // a chance to do something with it
    ctx.fireExceptionCaught(cause);
}

Source File: ServerTransport.java From reactor-netty with Apache License 2.0

5 votes

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
	ChannelConfig config = ctx.channel().config();
	if (config.isAutoRead()) {
		// stop accept new connections for 1 second to allow the channel to recover
		// See https://github.com/netty/netty/issues/1328
		config.setAutoRead(false);
		ctx.channel().eventLoop().schedule(enableAutoReadTask, 1, TimeUnit.SECONDS);
	}
	// still let the exceptionCaught event flow through the pipeline to give the user
	// a chance to do something with it
	ctx.fireExceptionCaught(cause);
}

Source File: AbstractTrafficShapingHandler.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public void run() {
    ChannelConfig config = ctx.channel().config();
    if (!config.isAutoRead() && isHandlerActive(ctx)) {
        // If AutoRead is False and Active is True, user make a direct setAutoRead(false)
        // Then Just reset the status
        if (logger.isDebugEnabled()) {
            logger.debug("Not unsuspend: " + config.isAutoRead() + ':' +
                    isHandlerActive(ctx));
        }
        ctx.attr(READ_SUSPENDED).set(false);
    } else {
        // Anything else allows the handler to reset the AutoRead
        if (logger.isDebugEnabled()) {
            if (config.isAutoRead() && !isHandlerActive(ctx)) {
                logger.debug("Unsuspend: " + config.isAutoRead() + ':' +
                        isHandlerActive(ctx));
            } else {
                logger.debug("Normal unsuspend: " + config.isAutoRead() + ':'
                        + isHandlerActive(ctx));
            }
        }
        ctx.attr(READ_SUSPENDED).set(false);
        config.setAutoRead(true);
        ctx.channel().read();
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Unsupsend final status => " + config.isAutoRead() + ':'
                + isHandlerActive(ctx));
    }
}

Source File: LoadControlHandler.java From tchannel-java with MIT License

5 votes

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof Request) {
        ChannelConfig config = ctx.channel().config();
        if (++outstanding >= high && config.isAutoRead()) {
            config.setAutoRead(false);
        }
    }
    ctx.fireChannelRead(msg);
}

Source File: LoadControlHandler.java From tchannel-java with MIT License

5 votes

@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
    if (msg instanceof Response) {
        ChannelConfig config = ctx.channel().config();
        if (--outstanding <= low && !config.isAutoRead()) {
            config.setAutoRead(true);
        }
    }
    ctx.write(msg, promise);
}

Java Code Examples for io.netty.channel.ChannelConfig#setAutoRead()