1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/HttpConnectionMetrics.java $ 3 * $Revision: 548035 $ 4 * $Date: 2007-06-17 05:17:03 -0700 (Sun, 17 Jun 2007) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 32 package org.apache.http; 33 34 /** 35 * The point of access to the statistics of an {@link HttpConnection}. 36 */ 37 public interface HttpConnectionMetrics { 38 39 /** 40 * Returns the number of requests transferred over the connection, 41 * 0 if not available. 42 */ 43 long getRequestCount(); 44 45 /** 46 * Returns the number of responses transferred over the connection, 47 * 0 if not available. 48 */ 49 long getResponseCount(); 50 51 /** 52 * Returns the number of bytes transferred over the connection, 53 * 0 if not available. 54 */ 55 long getSentBytesCount(); 56 57 /** 58 * Returns the number of bytes transferred over the connection, 59 * 0 if not available. 60 */ 61 long getReceivedBytesCount(); 62 63 /** 64 * Return the value for the specified metric. 65 * 66 *@param metricName the name of the metric to query. 67 * 68 *@return the object representing the metric requested, 69 * <code>null</code> if the metric cannot not found. 70 */ 71 Object getMetric(String metricName); 72 73 /** 74 * Resets the counts 75 * 76 */ 77 void reset(); 78 79 } 80
