| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.client5.http.impl.sync; |
| |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| /** |
| * Collection of different counters used to gather metrics for {@link FutureRequestExecutionService}. |
| */ |
| public final class FutureRequestExecutionMetrics { |
| |
| private final AtomicLong activeConnections = new AtomicLong(); |
| private final AtomicLong scheduledConnections = new AtomicLong(); |
| private final DurationCounter successfulConnections = new DurationCounter(); |
| private final DurationCounter failedConnections = new DurationCounter(); |
| private final DurationCounter requests = new DurationCounter(); |
| private final DurationCounter tasks = new DurationCounter(); |
| |
| FutureRequestExecutionMetrics() { |
| } |
| |
| AtomicLong getActiveConnections() { |
| return activeConnections; |
| } |
| |
| AtomicLong getScheduledConnections() { |
| return scheduledConnections; |
| } |
| |
| DurationCounter getSuccessfulConnections() { |
| return successfulConnections; |
| } |
| |
| DurationCounter getFailedConnections() { |
| return failedConnections; |
| } |
| |
| DurationCounter getRequests() { |
| return requests; |
| } |
| |
| DurationCounter getTasks() { |
| return tasks; |
| } |
| |
| public long getActiveConnectionCount() { |
| return activeConnections.get(); |
| } |
| |
| public long getScheduledConnectionCount() { |
| return scheduledConnections.get(); |
| } |
| |
| public long getSuccessfulConnectionCount() { |
| return successfulConnections.count(); |
| } |
| |
| public long getSuccessfulConnectionAverageDuration() { |
| return successfulConnections.averageDuration(); |
| } |
| |
| public long getFailedConnectionCount() { |
| return failedConnections.count(); |
| } |
| |
| public long getFailedConnectionAverageDuration() { |
| return failedConnections.averageDuration(); |
| } |
| |
| public long getRequestCount() { |
| return requests.count(); |
| } |
| |
| public long getRequestAverageDuration() { |
| return requests.averageDuration(); |
| } |
| |
| public long getTaskCount() { |
| return tasks.count(); |
| } |
| |
| public long getTaskAverageDuration() { |
| return tasks.averageDuration(); |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder builder = new StringBuilder(); |
| builder.append("[activeConnections=").append(activeConnections) |
| .append(", scheduledConnections=").append(scheduledConnections) |
| .append(", successfulConnections=").append(successfulConnections) |
| .append(", failedConnections=").append(failedConnections) |
| .append(", requests=").append(requests) |
| .append(", tasks=").append(tasks) |
| .append("]"); |
| return builder.toString(); |
| } |
| |
| /** |
| * A counter that can measure duration and number of events. |
| */ |
| static class DurationCounter { |
| |
| private final AtomicLong count = new AtomicLong(0); |
| private final AtomicLong cumulativeDuration = new AtomicLong(0); |
| |
| public void increment(final long startTime) { |
| count.incrementAndGet(); |
| cumulativeDuration.addAndGet(System.currentTimeMillis() - startTime); |
| } |
| |
| public long count() { |
| return count.get(); |
| } |
| |
| public long averageDuration() { |
| final long counter = count.get(); |
| return counter > 0 ? cumulativeDuration.get() / counter : 0; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder builder = new StringBuilder(); |
| builder.append("[count=").append(count()) |
| .append(", averageDuration=").append(averageDuration()) |
| .append("]"); |
| return builder.toString(); |
| } |
| |
| } |
| |
| } |