| /* |
| * Copyright 2014 The Android Open Source Project |
| * |
| * Licensed 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. |
| */ |
| |
| package com.android.server.wifi; |
| |
| import android.util.SparseArray; |
| |
| import java.util.Arrays; |
| |
| /** |
| * A class representing link layer statistics collected over a Wifi Interface. |
| */ |
| |
| /** |
| * {@hide} |
| */ |
| public class WifiLinkLayerStats { |
| public static final String V1_0 = "V1_0"; |
| public static final String V1_3 = "V1_3"; |
| |
| /** The version of hal StaLinkLayerStats **/ |
| public String version; |
| |
| /** Number of beacons received from our own AP */ |
| public int beacon_rx; |
| |
| /** RSSI of management frames */ |
| public int rssi_mgmt; |
| |
| /* Packet counters */ |
| |
| /** WME Best Effort Access Category received mpdu */ |
| public long rxmpdu_be; |
| /** WME Best Effort Access Category transmitted mpdu */ |
| public long txmpdu_be; |
| /** WME Best Effort Access Category lost mpdu */ |
| public long lostmpdu_be; |
| /** WME Best Effort Access Category number of transmission retries */ |
| public long retries_be; |
| |
| /** WME Background Access Category received mpdu */ |
| public long rxmpdu_bk; |
| /** WME Background Access Category transmitted mpdu */ |
| public long txmpdu_bk; |
| /** WME Background Access Category lost mpdu */ |
| public long lostmpdu_bk; |
| /** WME Background Access Category number of transmission retries */ |
| public long retries_bk; |
| |
| /** WME Video Access Category received mpdu */ |
| public long rxmpdu_vi; |
| /** WME Video Access Category transmitted mpdu */ |
| public long txmpdu_vi; |
| /** WME Video Access Category lost mpdu */ |
| public long lostmpdu_vi; |
| /** WME Video Access Category number of transmission retries */ |
| public long retries_vi; |
| |
| /** WME Voice Access Category received mpdu */ |
| public long rxmpdu_vo; |
| /** WME Voice Access Category transmitted mpdu */ |
| public long txmpdu_vo; |
| /** WME Voice Access Category lost mpdu */ |
| public long lostmpdu_vo; |
| /** WME Voice Access Category number of transmission retries */ |
| public long retries_vo; |
| |
| /** |
| * Cumulative milliseconds when radio is awake |
| */ |
| public int on_time; |
| /** |
| * Cumulative milliseconds of active transmission |
| */ |
| public int tx_time; |
| /** |
| * Cumulative milliseconds per level of active transmission |
| */ |
| public int[] tx_time_per_level; |
| /** |
| * Cumulative milliseconds of active receive |
| */ |
| public int rx_time; |
| /** |
| * Cumulative milliseconds when radio is awake due to scan |
| */ |
| public int on_time_scan; |
| /** |
| * Cumulative milliseconds when radio is awake due to nan scan |
| */ |
| public int on_time_nan_scan = -1; |
| /** |
| * Cumulative milliseconds when radio is awake due to background scan |
| */ |
| public int on_time_background_scan = -1; |
| /** |
| * Cumulative milliseconds when radio is awake due to roam scan |
| */ |
| public int on_time_roam_scan = -1; |
| /** |
| * Cumulative milliseconds when radio is awake due to pno scan |
| */ |
| public int on_time_pno_scan = -1; |
| /** |
| * Cumulative milliseconds when radio is awake due to hotspot 2.0 scan amd GAS exchange |
| */ |
| public int on_time_hs20_scan = -1; |
| /** |
| * channel stats |
| */ |
| public static class ChannelStats { |
| /** |
| * Channel frequency in MHz; |
| */ |
| public int frequency; |
| /** |
| * Cumulative milliseconds radio is awake on this channel |
| */ |
| public int radioOnTimeMs; |
| /** |
| * Cumulative milliseconds CCA is held busy on this channel |
| */ |
| public int ccaBusyTimeMs; |
| } |
| /** |
| * Channel stats list |
| */ |
| public final SparseArray<ChannelStats> channelStatsMap = new SparseArray<>(); |
| |
| /** |
| * TimeStamp - absolute milliseconds from boot when these stats were sampled. |
| */ |
| public long timeStampInMs; |
| |
| @Override |
| public String toString() { |
| StringBuilder sbuf = new StringBuilder(); |
| sbuf.append(" WifiLinkLayerStats: ").append('\n'); |
| |
| sbuf.append(" version of StaLinkLayerStats: ").append(version).append('\n'); |
| sbuf.append(" my bss beacon rx: ").append(Integer.toString(this.beacon_rx)).append('\n'); |
| sbuf.append(" RSSI mgmt: ").append(Integer.toString(this.rssi_mgmt)).append('\n'); |
| sbuf.append(" BE : ").append(" rx=").append(Long.toString(this.rxmpdu_be)) |
| .append(" tx=").append(Long.toString(this.txmpdu_be)) |
| .append(" lost=").append(Long.toString(this.lostmpdu_be)) |
| .append(" retries=").append(Long.toString(this.retries_be)).append('\n'); |
| sbuf.append(" BK : ").append(" rx=").append(Long.toString(this.rxmpdu_bk)) |
| .append(" tx=").append(Long.toString(this.txmpdu_bk)) |
| .append(" lost=").append(Long.toString(this.lostmpdu_bk)) |
| .append(" retries=").append(Long.toString(this.retries_bk)).append('\n'); |
| sbuf.append(" VI : ").append(" rx=").append(Long.toString(this.rxmpdu_vi)) |
| .append(" tx=").append(Long.toString(this.txmpdu_vi)) |
| .append(" lost=").append(Long.toString(this.lostmpdu_vi)) |
| .append(" retries=").append(Long.toString(this.retries_vi)).append('\n'); |
| sbuf.append(" VO : ").append(" rx=").append(Long.toString(this.rxmpdu_vo)) |
| .append(" tx=").append(Long.toString(this.txmpdu_vo)) |
| .append(" lost=").append(Long.toString(this.lostmpdu_vo)) |
| .append(" retries=").append(Long.toString(this.retries_vo)).append('\n'); |
| sbuf.append(" on_time : ").append(Integer.toString(this.on_time)) |
| .append(" tx_time=").append(Integer.toString(this.tx_time)) |
| .append(" rx_time=").append(Integer.toString(this.rx_time)) |
| .append(" scan_time=").append(Integer.toString(this.on_time_scan)).append('\n') |
| .append(" nan_scan_time=") |
| .append(Integer.toString(this.on_time_nan_scan)).append('\n') |
| .append(" g_scan_time=") |
| .append(Integer.toString(this.on_time_background_scan)).append('\n') |
| .append(" roam_scan_time=") |
| .append(Integer.toString(this.on_time_roam_scan)).append('\n') |
| .append(" pno_scan_time=") |
| .append(Integer.toString(this.on_time_pno_scan)).append('\n') |
| .append(" hs2.0_scan_time=") |
| .append(Integer.toString(this.on_time_hs20_scan)).append('\n') |
| .append(" tx_time_per_level=" + Arrays.toString(tx_time_per_level)).append('\n'); |
| int numChanStats = this.channelStatsMap.size(); |
| sbuf.append(" Number of channel stats=").append(numChanStats).append('\n'); |
| for (int i = 0; i < numChanStats; ++i) { |
| ChannelStats channelStatsEntry = this.channelStatsMap.valueAt(i); |
| sbuf.append(" Frequency=").append(channelStatsEntry.frequency) |
| .append(" radioOnTimeMs=").append(channelStatsEntry.radioOnTimeMs) |
| .append(" ccaBusyTimeMs=").append(channelStatsEntry.ccaBusyTimeMs).append('\n'); |
| } |
| sbuf.append(" ts=" + timeStampInMs); |
| return sbuf.toString(); |
| } |
| |
| } |