com.palantir.conjure.java.okhttp.OkhttpMetrics Maven / Gradle / Ivy

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package com.palantir.conjure.java.okhttp;

import com.codahale.metrics.Gauge;
import com.palantir.logsafe.Preconditions;
import com.palantir.tritium.metrics.registry.MetricName;
import com.palantir.tritium.metrics.registry.TaggedMetricRegistry;

/**
 * Conjure okhttp client metrics.
 */
final class OkhttpMetrics {
    private static final String JAVA_VERSION = System.getProperty("java.version", "unknown");

    private static final String LIBRARY_NAME = "conjure-java-runtime";

    private static final String LIBRARY_VERSION = "8.13.0";

    private static final MetricName dispatcherCallsQueuedMetricName = MetricName.builder()
            .safeName("com.palantir.conjure.java.dispatcher.calls.queued")
            .putSafeTags("libraryName", LIBRARY_NAME)
            .putSafeTags("libraryVersion", LIBRARY_VERSION)
            .putSafeTags("javaVersion", JAVA_VERSION)
            .build();

    private static final MetricName dispatcherCallsRunningMetricName = MetricName.builder()
            .safeName("com.palantir.conjure.java.dispatcher.calls.running")
            .putSafeTags("libraryName", LIBRARY_NAME)
            .putSafeTags("libraryVersion", LIBRARY_VERSION)
            .putSafeTags("javaVersion", JAVA_VERSION)
            .build();

    private static final MetricName connectionPoolConnectionsTotalMetricName = MetricName.builder()
            .safeName("com.palantir.conjure.java.connection-pool.connections.total")
            .putSafeTags("libraryName", LIBRARY_NAME)
            .putSafeTags("libraryVersion", LIBRARY_VERSION)
            .putSafeTags("javaVersion", JAVA_VERSION)
            .build();

    private static final MetricName connectionPoolConnectionsIdleMetricName = MetricName.builder()
            .safeName("com.palantir.conjure.java.connection-pool.connections.idle")
            .putSafeTags("libraryName", LIBRARY_NAME)
            .putSafeTags("libraryVersion", LIBRARY_VERSION)
            .putSafeTags("javaVersion", JAVA_VERSION)
            .build();

    private final TaggedMetricRegistry registry;

    private OkhttpMetrics(TaggedMetricRegistry registry) {
        this.registry = registry;
    }

    static OkhttpMetrics of(TaggedMetricRegistry registry) {
        return new OkhttpMetrics(Preconditions.checkNotNull(registry, "TaggedMetricRegistry"));
    }

    /**
     * Reports the number of queued outgoing requests.
     */
    void dispatcherCallsQueued(Gauge gauge) {
        registry.registerWithReplacement(dispatcherCallsQueuedMetricName(), gauge);
    }

    static MetricName dispatcherCallsQueuedMetricName() {
        return dispatcherCallsQueuedMetricName;
    }

    /**
     * Reports the number of active outgoing requests.
     */
    void dispatcherCallsRunning(Gauge gauge) {
        registry.registerWithReplacement(dispatcherCallsRunningMetricName(), gauge);
    }

    static MetricName dispatcherCallsRunningMetricName() {
        return dispatcherCallsRunningMetricName;
    }

    /**
     * Total number of connections in the connection pool.
     */
    void connectionPoolConnectionsTotal(Gauge gauge) {
        registry.registerWithReplacement(connectionPoolConnectionsTotalMetricName(), gauge);
    }

    static MetricName connectionPoolConnectionsTotalMetricName() {
        return connectionPoolConnectionsTotalMetricName;
    }

    /**
     * Number of idle connections in the connection pool.
     */
    void connectionPoolConnectionsIdle(Gauge gauge) {
        registry.registerWithReplacement(connectionPoolConnectionsIdleMetricName(), gauge);
    }

    static MetricName connectionPoolConnectionsIdleMetricName() {
        return connectionPoolConnectionsIdleMetricName;
    }

    @Override
    public String toString() {
        return "OkhttpMetrics{registry=" + registry + '}';
    }
}