Example usage for io.netty.channel ChannelConfig getWriteBufferLowWaterMark

Introduction

In this page you can find the example usage for io.netty.channel ChannelConfig getWriteBufferLowWaterMark.

Prototype

int getWriteBufferLowWaterMark();

Source Link

Document

Returns the low water mark of the write buffer.

Usage

From source file:org.jupiter.transport.netty.handler.acceptor.AcceptorHandler.java

License:Apache License

@Override
public void channelWritabilityChanged(ChannelHandlerContext ctx) throws Exception {
    Channel ch = ctx.channel();//from w ww .  j  av  a 2  s .co m
    ChannelConfig config = ch.config();

    // ?: ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK
    // ?: ChannelOption.WRITE_BUFFER_LOW_WATER_MARK
    if (!ch.isWritable()) {
        // ?channel(OutboundBuffer)?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 {
        // ??OutboundBuffer?WRITE_BUFFER_LOW_WATER_MARK
        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);
    }
}

---