/* * Copyright (c) 2011-2017 The original author or authors * ------------------------------------------------------ * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Apache License v2.0 which accompanies this distribution. * * The Eclipse Public License is available at * http://www.eclipse.org/legal/epl-v10.html * * The Apache License v2.0 is available at * http://www.opensource.org/licenses/apache2.0.php * * You may elect to redistribute this code under either of these licenses. */ package io.vertx.micrometer.impl; import io.micrometer.core.instrument.MeterRegistry; import io.vertx.core.http.HttpClientRequest; import io.vertx.core.http.HttpClientResponse; import io.vertx.core.http.WebSocket; import io.vertx.core.net.SocketAddress; import io.vertx.core.spi.metrics.ClientMetrics; import io.vertx.core.spi.metrics.HttpClientMetrics; import io.vertx.micrometer.Label; import io.vertx.micrometer.MetricsDomain; import io.vertx.micrometer.impl.meters.Counters; import io.vertx.micrometer.impl.meters.Gauges; import io.vertx.micrometer.impl.meters.Timers; import java.util.concurrent.atomic.LongAdder; /** * @author Joel Takvorian */ class VertxHttpClientMetrics extends VertxNetClientMetrics { private final Gauges<LongAdder> requests; private final Counters requestCount; private final Timers responseTime; private final Counters responseCount; private final Gauges<LongAdder> wsConnections; VertxHttpClientMetrics(MeterRegistry registry) { super(registry, MetricsDomain.HTTP_CLIENT); requests = longGauges("requests", "Number of requests waiting for a response", Label.LOCAL, Label.REMOTE, Label.HTTP_PATH, Label.HTTP_METHOD); requestCount = counters("requestCount", "Number of requests sent", Label.LOCAL, Label.REMOTE, Label.HTTP_PATH, Label.HTTP_METHOD); responseTime = timers("responseTime", "Response time", Label.LOCAL, Label.REMOTE, Label.HTTP_PATH, Label.HTTP_METHOD, Label.HTTP_CODE); responseCount = counters("responseCount", "Response count with codes", Label.LOCAL, Label.REMOTE, Label.HTTP_PATH, Label.HTTP_METHOD, Label.HTTP_CODE); wsConnections = longGauges("wsConnections", "Number of websockets currently opened", Label.LOCAL, Label.REMOTE); } @Override HttpClientMetrics forAddress(String localAddress) { return new Instance(localAddress); } class Instance extends VertxNetClientMetrics.Instance implements HttpClientMetrics<VertxHttpClientMetrics.Handler, String, String, Void> { Instance(String localAddress) { super(localAddress); } @Override public ClientMetrics<Handler, Void, HttpClientRequest, HttpClientResponse> createEndpointMetrics(SocketAddress remoteAddress, int maxPoolSize) { String remote = remoteAddress.toString(); return new ClientMetrics<Handler, Void, HttpClientRequest, HttpClientResponse>() { @Override public Handler requestBegin(String uri, HttpClientRequest request) { Handler handler = new Handler(remote, request.path(),request.method().name()); requests.get(local, remote, handler.path, handler.method).increment(); requestCount.get(local, remote, handler.path, handler.method).increment(); handler.timer = responseTime.start(); return handler; } @Override public void requestReset(Handler handler) { requests.get(local, handler.address, handler.path, handler.method).decrement(); } @Override public void responseEnd(Handler handler, HttpClientResponse response) { String code = String.valueOf(response.statusCode()); requests.get(local, handler.address, handler.path, handler.method).decrement(); responseCount.get(local, handler.address, handler.path, handler.method, code).increment(); handler.timer.end(local, handler.address, handler.path, handler.method, code); } }; } @Override public String connected(WebSocket webSocket) { String remote = webSocket.remoteAddress().toString(); wsConnections.get(local, remote).increment(); return remote; } @Override public void disconnected(String remote) { wsConnections.get(local, remote).decrement(); } @Override public void close() { } } public static class Handler { private final String address; private final String path; private final String method; private Timers.EventTiming timer; Handler(String address, String path, String method) { this.address = address; this.path = path; this.method = method; } } }