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io.micrometer.core.instrument.binder.jetty.JettyStatisticsMetrics Maven / Gradle / Ivy
/*
* Copyright 2017 VMware, 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
*
* 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 io.micrometer.core.instrument.binder.jetty;
import io.micrometer.core.instrument.*;
import io.micrometer.core.instrument.binder.BaseUnits;
import io.micrometer.core.instrument.binder.MeterBinder;
import io.micrometer.core.lang.NonNullApi;
import io.micrometer.core.lang.NonNullFields;
import org.eclipse.jetty.server.handler.StatisticsHandler;
import java.util.concurrent.TimeUnit;
import java.util.function.ToDoubleFunction;
import java.util.function.ToLongFunction;
/**
* @deprecated Since 1.4.0. Use {@link TimedHandler} instead.
*/
@Deprecated
@NonNullApi
@NonNullFields
public class JettyStatisticsMetrics implements MeterBinder {
private final StatisticsHandler statisticsHandler;
private Iterable tags;
public JettyStatisticsMetrics(StatisticsHandler statisticsHandler, Iterable tags) {
this.tags = tags;
this.statisticsHandler = statisticsHandler;
}
public static void monitor(MeterRegistry meterRegistry, StatisticsHandler statisticsHandler, String... tags) {
monitor(meterRegistry, statisticsHandler, Tags.of(tags));
}
public static void monitor(MeterRegistry meterRegistry, StatisticsHandler statisticsHandler, Iterable tags) {
new JettyStatisticsMetrics(statisticsHandler, tags).bindTo(meterRegistry);
}
@Override
public void bindTo(MeterRegistry registry) {
bindTimer(registry, "jetty.requests", "Request duration", StatisticsHandler::getRequests,
StatisticsHandler::getRequestTimeTotal);
bindTimer(registry, "jetty.dispatched", "Dispatch duration", StatisticsHandler::getDispatched,
StatisticsHandler::getDispatchedTimeTotal);
bindCounter(registry, "jetty.async.requests", "Total number of async requests",
StatisticsHandler::getAsyncRequests);
bindCounter(registry, "jetty.async.dispatches",
"Total number of requests that have been asynchronously dispatched",
StatisticsHandler::getAsyncDispatches);
bindCounter(registry, "jetty.async.expires", "Total number of async requests that have expired",
StatisticsHandler::getExpires);
FunctionCounter.builder("jetty.responses.size", statisticsHandler, StatisticsHandler::getResponsesBytesTotal)
.description("Total number of bytes across all responses")
.baseUnit(BaseUnits.BYTES)
.tags(tags)
.register(registry);
bindGauge(registry, "jetty.requests.active", "Number of requests currently active",
StatisticsHandler::getRequestsActive);
bindGauge(registry, "jetty.dispatched.active", "Number of dispatches currently active",
StatisticsHandler::getDispatchedActive);
bindGauge(registry, "jetty.dispatched.active.max", "Maximum number of active dispatches being handled",
StatisticsHandler::getDispatchedActiveMax);
bindTimeGauge(registry, "jetty.dispatched.time.max", "Maximum time spent in dispatch handling",
StatisticsHandler::getDispatchedTimeMax);
bindGauge(registry, "jetty.async.requests.waiting", "Currently waiting async requests",
StatisticsHandler::getAsyncRequestsWaiting);
bindGauge(registry, "jetty.async.requests.waiting.max", "Maximum number of waiting async requests",
StatisticsHandler::getAsyncRequestsWaitingMax);
bindTimeGauge(registry, "jetty.request.time.max", "Maximum time spent handling requests",
StatisticsHandler::getRequestTimeMax);
bindTimeGauge(registry, "jetty.stats", "Time stats have been collected for", StatisticsHandler::getStatsOnMs);
bindStatusCounters(registry);
}
private void bindStatusCounters(MeterRegistry registry) {
buildStatusCounter(registry, "1xx", StatisticsHandler::getResponses1xx);
buildStatusCounter(registry, "2xx", StatisticsHandler::getResponses2xx);
buildStatusCounter(registry, "3xx", StatisticsHandler::getResponses3xx);
buildStatusCounter(registry, "4xx", StatisticsHandler::getResponses4xx);
buildStatusCounter(registry, "5xx", StatisticsHandler::getResponses5xx);
}
private void bindGauge(MeterRegistry registry, String name, String description,
ToDoubleFunction valueFunction) {
Gauge.builder(name, statisticsHandler, valueFunction).tags(tags).description(description).register(registry);
}
private void bindTimer(MeterRegistry registry, String name, String desc,
ToLongFunction countFunc, ToDoubleFunction consumer) {
FunctionTimer.builder(name, statisticsHandler, countFunc, consumer, TimeUnit.MILLISECONDS)
.tags(tags)
.description(desc)
.register(registry);
}
private void bindTimeGauge(MeterRegistry registry, String name, String desc,
ToDoubleFunction consumer) {
TimeGauge.builder(name, statisticsHandler, TimeUnit.MILLISECONDS, consumer)
.tags(tags)
.description(desc)
.register(registry);
}
private void bindCounter(MeterRegistry registry, String name, String desc,
ToDoubleFunction consumer) {
FunctionCounter.builder(name, statisticsHandler, consumer).tags(tags).description(desc).register(registry);
}
private void buildStatusCounter(MeterRegistry registry, String status,
ToDoubleFunction consumer) {
FunctionCounter.builder("jetty.responses", statisticsHandler, consumer)
.tags(tags)
.description("Number of requests with response status")
.tags("status", status)
.register(registry);
}
}