reactor.netty.http.client.ContextAwareHttpClientMetricsHandler Maven / Gradle / Ivy

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/*
 * Copyright (c) 2021-2022 VMware, Inc. or its affiliates, All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package reactor.netty.http.client;

import io.netty.channel.ChannelHandlerContext;
import reactor.util.annotation.Nullable;

import java.net.SocketAddress;
import java.time.Duration;
import java.util.function.Function;

/**
 * @author Violeta Georgieva
 * @since 1.0.8
 */
final class ContextAwareHttpClientMetricsHandler extends AbstractHttpClientMetricsHandler {

	final ContextAwareHttpClientMetricsRecorder recorder;

	ContextAwareHttpClientMetricsHandler(ContextAwareHttpClientMetricsRecorder recorder,
			@Nullable Function uriTagValue) {
		super(uriTagValue);
		this.recorder = recorder;
	}

	ContextAwareHttpClientMetricsHandler(ContextAwareHttpClientMetricsHandler copy) {
		super(copy);
		this.recorder = copy.recorder;
	}

	@Override
	protected ContextAwareHttpClientMetricsRecorder recorder() {
		return recorder;
	}

	@Override
	protected void recordException(ChannelHandlerContext ctx) {
		if (contextView != null) {
			recorder().incrementErrorsCount(contextView, ctx.channel().remoteAddress(), path);
		}
		else {
			super.recordException(ctx);
		}
	}

	@Override
	protected void recordWrite(SocketAddress address) {
		if (contextView != null) {
			recorder.recordDataSentTime(contextView, address,
					path, method,
					Duration.ofNanos(System.nanoTime() - dataSentTime));

			recorder.recordDataSent(contextView, address, path, dataSent);
		}
		else {
			super.recordWrite(address);
		}
	}

	@Override
	protected void recordRead(SocketAddress address) {
		if (contextView != null) {
			recorder.recordDataReceivedTime(contextView, address,
					path, method, status,
					Duration.ofNanos(System.nanoTime() - dataReceivedTime));

			recorder.recordResponseTime(contextView, address,
					path, method, status,
					Duration.ofNanos(System.nanoTime() - dataSentTime));

			recorder.recordDataReceived(contextView, address, path, dataReceived);
		}
		else {
			super.recordRead(address);
		}
	}
}