com.netflix.spectator.aws.SpectatorServiceMetricCollector.java Source code

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/*
 * Copyright 2014-2019 Netflix, Inc.
 *
 * 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
 *
 *      http://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 com.netflix.spectator.aws;

import com.amazonaws.metrics.ByteThroughputProvider;
import com.amazonaws.metrics.ServiceLatencyProvider;
import com.amazonaws.metrics.ServiceMetricCollector;
import com.amazonaws.util.AWSServiceMetrics;
import com.netflix.spectator.api.Registry;
import com.netflix.spectator.api.Timer;

import java.util.concurrent.TimeUnit;

/**
 * A {@link ServiceMetricCollector} that captures the time it takes to get a connection
 * from the pool.
 */
class SpectatorServiceMetricCollector extends ServiceMetricCollector {

    private final Timer clientGetConnectionTime;

    /** Create a new instance. */
    SpectatorServiceMetricCollector(Registry registry) {
        super();
        this.clientGetConnectionTime = registry.timer("aws.request.httpClientGetConnectionTime");
    }

    @Override
    public void collectByteThroughput(ByteThroughputProvider provider) {
    }

    @Override
    public void collectLatency(ServiceLatencyProvider provider) {
        if (provider.getServiceMetricType() == AWSServiceMetrics.HttpClientGetConnectionTime) {
            long nanos = (long) (provider.getDurationMilli() * 1e6);
            clientGetConnectionTime.record(nanos, TimeUnit.NANOSECONDS);
        }
    }
}