1 /* 2 * Copyright 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.wifi; 18 19 import java.util.Arrays; 20 21 /** 22 * A class representing link layer statistics collected over a Wifi Interface. 23 */ 24 25 /** 26 * {@hide} 27 */ 28 public class WifiLinkLayerStats { 29 30 /** Number of beacons received from our own AP */ 31 public int beacon_rx; 32 33 /** RSSI of management frames */ 34 public int rssi_mgmt; 35 36 /* Packet counters */ 37 38 /** WME Best Effort Access Category received mpdu */ 39 public long rxmpdu_be; 40 /** WME Best Effort Access Category transmitted mpdu */ 41 public long txmpdu_be; 42 /** WME Best Effort Access Category lost mpdu */ 43 public long lostmpdu_be; 44 /** WME Best Effort Access Category number of transmission retries */ 45 public long retries_be; 46 47 /** WME Background Access Category received mpdu */ 48 public long rxmpdu_bk; 49 /** WME Background Access Category transmitted mpdu */ 50 public long txmpdu_bk; 51 /** WME Background Access Category lost mpdu */ 52 public long lostmpdu_bk; 53 /** WME Background Access Category number of transmission retries */ 54 public long retries_bk; 55 56 /** WME Video Access Category received mpdu */ 57 public long rxmpdu_vi; 58 /** WME Video Access Category transmitted mpdu */ 59 public long txmpdu_vi; 60 /** WME Video Access Category lost mpdu */ 61 public long lostmpdu_vi; 62 /** WME Video Access Category number of transmission retries */ 63 public long retries_vi; 64 65 /** WME Voice Access Category received mpdu */ 66 public long rxmpdu_vo; 67 /** WME Voice Access Category transmitted mpdu */ 68 public long txmpdu_vo; 69 /** WME Voice Access Category lost mpdu */ 70 public long lostmpdu_vo; 71 /** WME Voice Access Category number of transmission retries */ 72 public long retries_vo; 73 74 /** 75 * Cumulative milliseconds when radio is awake 76 */ 77 public int on_time; 78 /** 79 * Cumulative milliseconds of active transmission 80 */ 81 public int tx_time; 82 /** 83 * Cumulative milliseconds per level of active transmission 84 */ 85 public int[] tx_time_per_level; 86 /** 87 * Cumulative milliseconds of active receive 88 */ 89 public int rx_time; 90 /** 91 * Cumulative milliseconds when radio is awake due to scan 92 */ 93 public int on_time_scan; 94 95 /** 96 * TimeStamp - absolute milliseconds from boot when these stats were sampled. 97 */ 98 public long timeStampInMs; 99 100 @Override 101 public String toString() { 102 StringBuilder sbuf = new StringBuilder(); 103 sbuf.append(" WifiLinkLayerStats: ").append('\n'); 104 105 sbuf.append(" my bss beacon rx: ").append(Integer.toString(this.beacon_rx)).append('\n'); 106 sbuf.append(" RSSI mgmt: ").append(Integer.toString(this.rssi_mgmt)).append('\n'); 107 sbuf.append(" BE : ").append(" rx=").append(Long.toString(this.rxmpdu_be)) 108 .append(" tx=").append(Long.toString(this.txmpdu_be)) 109 .append(" lost=").append(Long.toString(this.lostmpdu_be)) 110 .append(" retries=").append(Long.toString(this.retries_be)).append('\n'); 111 sbuf.append(" BK : ").append(" rx=").append(Long.toString(this.rxmpdu_bk)) 112 .append(" tx=").append(Long.toString(this.txmpdu_bk)) 113 .append(" lost=").append(Long.toString(this.lostmpdu_bk)) 114 .append(" retries=").append(Long.toString(this.retries_bk)).append('\n'); 115 sbuf.append(" VI : ").append(" rx=").append(Long.toString(this.rxmpdu_vi)) 116 .append(" tx=").append(Long.toString(this.txmpdu_vi)) 117 .append(" lost=").append(Long.toString(this.lostmpdu_vi)) 118 .append(" retries=").append(Long.toString(this.retries_vi)).append('\n'); 119 sbuf.append(" VO : ").append(" rx=").append(Long.toString(this.rxmpdu_vo)) 120 .append(" tx=").append(Long.toString(this.txmpdu_vo)) 121 .append(" lost=").append(Long.toString(this.lostmpdu_vo)) 122 .append(" retries=").append(Long.toString(this.retries_vo)).append('\n'); 123 sbuf.append(" on_time : ").append(Integer.toString(this.on_time)) 124 .append(" rx_time=").append(Integer.toString(this.rx_time)) 125 .append(" scan_time=").append(Integer.toString(this.on_time_scan)).append('\n') 126 .append(" tx_time=").append(Integer.toString(this.tx_time)) 127 .append(" tx_time_per_level=" + Arrays.toString(tx_time_per_level)); 128 sbuf.append(" ts=" + timeStampInMs); 129 return sbuf.toString(); 130 } 131 132 } 133
