com.datastax.oss.driver.internal.core.channel.OutboundTrafficMeter Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package com.datastax.oss.driver.internal.core.channel;
import com.datastax.oss.driver.api.core.metrics.DefaultNodeMetric;
import com.datastax.oss.driver.api.core.metrics.DefaultSessionMetric;
import com.datastax.oss.driver.internal.core.metrics.NodeMetricUpdater;
import com.datastax.oss.driver.internal.core.metrics.SessionMetricUpdater;
import com.datastax.oss.driver.shaded.netty.buffer.ByteBuf;
import com.datastax.oss.driver.shaded.netty.channel.ChannelHandlerContext;
import com.datastax.oss.driver.shaded.netty.channel.ChannelOutboundHandlerAdapter;
import com.datastax.oss.driver.shaded.netty.channel.ChannelPromise;
public class OutboundTrafficMeter extends ChannelOutboundHandlerAdapter {
private final NodeMetricUpdater nodeMetricUpdater;
private final SessionMetricUpdater sessionMetricUpdater;
OutboundTrafficMeter(
NodeMetricUpdater nodeMetricUpdater, SessionMetricUpdater sessionMetricUpdater) {
this.nodeMetricUpdater = nodeMetricUpdater;
this.sessionMetricUpdater = sessionMetricUpdater;
}
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
throws Exception {
if (msg instanceof ByteBuf) {
int bytes = ((ByteBuf) msg).readableBytes();
nodeMetricUpdater.markMeter(DefaultNodeMetric.BYTES_SENT, null, bytes);
sessionMetricUpdater.markMeter(DefaultSessionMetric.BYTES_SENT, null, bytes);
}
super.write(ctx, msg, promise);
}
}