001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027package org.apache.http.benchmark;
028
029/**
030 * Helper to gather statistics for an {@link HttpBenchmark HttpBenchmark}.
031 *
032 *
033 * @since 4.0
034 */
035public class Stats {
036
037    private long startTime = -1;    // nano seconds - does not represent an actual time
038    private long finishTime = -1;   // nano seconds - does not represent an actual time
039    private int successCount = 0;
040    private int failureCount = 0;
041    private int writeErrors = 0;
042    private int keepAliveCount = 0;
043    private String serverName = null;
044    private long totalBytesRecv = 0;
045    private long totalBytesSent = 0;
046    private long contentLength = -1;
047
048    public Stats() {
049        super();
050    }
051
052    public void start() {
053        this.startTime = System.nanoTime();
054    }
055
056    public void finish() {
057        this.finishTime = System.nanoTime();
058    }
059
060    public long getFinishTime() {
061        return this.finishTime;
062    }
063
064    public long getStartTime() {
065        return this.startTime;
066    }
067
068    /**
069     * Total execution time measured in nano seconds
070     *
071     * @return duration in nanoseconds
072     */
073    public long getDuration() {
074        // we are using System.nanoTime() and the return values could be negative
075        // but its only the difference that we are concerned about
076        return this.finishTime - this.startTime;
077    }
078
079    public void incSuccessCount() {
080        this.successCount++;
081    }
082
083    public int getSuccessCount() {
084        return this.successCount;
085    }
086
087    public void incFailureCount() {
088        this.failureCount++;
089    }
090
091    public int getFailureCount() {
092        return this.failureCount;
093    }
094
095    public void incWriteErrors() {
096        this.writeErrors++;
097    }
098
099    public int getWriteErrors() {
100        return this.writeErrors;
101    }
102
103    public void incKeepAliveCount() {
104        this.keepAliveCount++;
105    }
106
107    public int getKeepAliveCount() {
108        return this.keepAliveCount;
109    }
110
111    public long getTotalBytesRecv() {
112        return this.totalBytesRecv;
113    }
114
115    public void incTotalBytesRecv(final long n) {
116        this.totalBytesRecv += n;
117    }
118
119    public long getTotalBytesSent() {
120        return this.totalBytesSent;
121    }
122
123    public void incTotalBytesSent(final long n) {
124        this.totalBytesSent += n;
125    }
126
127    public long getContentLength() {
128        return this.contentLength;
129    }
130
131    public void setContentLength(final long contentLength) {
132        this.contentLength = contentLength;
133    }
134
135    public String getServerName() {
136        return this.serverName;
137    }
138
139    public void setServerName(final String serverName) {
140        this.serverName = serverName;
141    }
142
143}