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      1 /*
      2  * Copyright (C) 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 android.net.wifi;
     18 
     19 import android.os.Parcelable;
     20 import android.os.Parcel;
     21 
     22 /**
     23  * A class representing link layer statistics collected over a Wifi Interface.
     24  */
     25 /** {@hide} */
     26 public class WifiLinkLayerStats implements Parcelable {
     27     private static final String TAG = "WifiLinkLayerStats";
     28 
     29     /**
     30      * The current status of this network configuration entry.
     31      * @see Status
     32      */
     33     /** {@hide} */
     34     public int status;
     35 
     36     /**
     37      * The network's SSID. Can either be an ASCII string,
     38      * which must be enclosed in double quotation marks
     39      * (e.g., {@code "MyNetwork"}, or a string of
     40      * hex digits,which are not enclosed in quotes
     41      * (e.g., {@code 01a243f405}).
     42      */
     43     /** {@hide} */
     44     public String SSID;
     45     /**
     46      * When set. this is the BSSID the radio is currently associated with.
     47      * The value is a string in the format of an Ethernet MAC address, e.g.,
     48      * <code>XX:XX:XX:XX:XX:XX</code> where each <code>X</code> is a hex digit.
     49      */
     50     /** {@hide} */
     51     public String BSSID;
     52 
     53     /* number beacons received from our own AP */
     54     /** {@hide} */
     55     public int beacon_rx;
     56 
     57     /* RSSI taken on management frames */
     58     /** {@hide} */
     59     public int rssi_mgmt;
     60 
     61     /* packets counters */
     62     /** {@hide} */
     63     /* WME Best Effort Access Category (receive mpdu, transmit mpdu, lost mpdu, number of retries)*/
     64     public long rxmpdu_be;
     65     /** {@hide} */
     66     public long txmpdu_be;
     67     /** {@hide} */
     68     public long lostmpdu_be;
     69     /** {@hide} */
     70     public long retries_be;
     71     /** {@hide} */
     72     /* WME Background Access Category (receive mpdu, transmit mpdu, lost mpdu, number of retries) */
     73     public long rxmpdu_bk;
     74     /** {@hide} */
     75     public long txmpdu_bk;
     76     /** {@hide} */
     77     public long lostmpdu_bk;
     78     /** {@hide} */
     79     public long retries_bk;
     80     /** {@hide} */
     81     /* WME Video Access Category (receive mpdu, transmit mpdu, lost mpdu, number of retries) */
     82     public long rxmpdu_vi;
     83     /** {@hide} */
     84     public long txmpdu_vi;
     85     /** {@hide} */
     86     public long lostmpdu_vi;
     87     /** {@hide} */
     88     public long retries_vi;
     89     /** {@hide} */
     90     /* WME Voice Access Category (receive mpdu, transmit mpdu, lost mpdu, number of retries) */
     91     public long rxmpdu_vo;
     92     /** {@hide} */
     93     public long txmpdu_vo;
     94     /** {@hide} */
     95     public long lostmpdu_vo;
     96     /** {@hide} */
     97     public long retries_vo;
     98 
     99     /** {@hide} */
    100     public int on_time;
    101     /** {@hide} */
    102     public int tx_time;
    103     /** {@hide} */
    104     public int rx_time;
    105     /** {@hide} */
    106     public int on_time_scan;
    107 
    108     /** {@hide} */
    109     public WifiLinkLayerStats() {
    110     }
    111 
    112     @Override
    113     /** {@hide} */
    114     public String toString() {
    115         StringBuilder sbuf = new StringBuilder();
    116         sbuf.append(" WifiLinkLayerStats: ").append('\n');
    117 
    118         if (this.SSID != null) {
    119             sbuf.append(" SSID: ").append(this.SSID).append('\n');
    120         }
    121         if (this.BSSID != null) {
    122             sbuf.append(" BSSID: ").append(this.BSSID).append('\n');
    123         }
    124 
    125         sbuf.append(" my bss beacon rx: ").append(Integer.toString(this.beacon_rx)).append('\n');
    126         sbuf.append(" RSSI mgmt: ").append(Integer.toString(this.rssi_mgmt)).append('\n');
    127         sbuf.append(" BE : ").append(" rx=").append(Long.toString(this.rxmpdu_be))
    128                 .append(" tx=").append(Long.toString(this.txmpdu_be))
    129                 .append(" lost=").append(Long.toString(this.lostmpdu_be))
    130                 .append(" retries=").append(Long.toString(this.retries_be)).append('\n');
    131         sbuf.append(" BK : ").append(" rx=").append(Long.toString(this.rxmpdu_bk))
    132                 .append(" tx=").append(Long.toString(this.txmpdu_bk))
    133                 .append(" lost=").append(Long.toString(this.lostmpdu_bk))
    134                 .append(" retries=").append(Long.toString(this.retries_bk)).append('\n');
    135         sbuf.append(" VI : ").append(" rx=").append(Long.toString(this.rxmpdu_vi))
    136                 .append(" tx=").append(Long.toString(this.txmpdu_vi))
    137                 .append(" lost=").append(Long.toString(this.lostmpdu_vi))
    138                 .append(" retries=").append(Long.toString(this.retries_vi)).append('\n');
    139         sbuf.append(" VO : ").append(" rx=").append(Long.toString(this.rxmpdu_vo))
    140                 .append(" tx=").append(Long.toString(this.txmpdu_vo))
    141                 .append(" lost=").append(Long.toString(this.lostmpdu_vo))
    142                 .append(" retries=").append(Long.toString(this.retries_vo)).append('\n');
    143         sbuf.append(" on_time : ").append(Integer.toString(this.on_time))
    144                 .append(" tx_time=").append(Integer.toString(this.tx_time))
    145                 .append(" rx_time=").append(Integer.toString(this.rx_time))
    146                 .append(" scan_time=").append(Integer.toString(this.on_time_scan)).append('\n');
    147         return sbuf.toString();
    148     }
    149 
    150     /** Implement the Parcelable interface {@hide} */
    151     public int describeContents() {
    152         return 0;
    153     }
    154 
    155     /** {@hide} */
    156     public String getPrintableSsid() {
    157         if (SSID == null) return "";
    158         final int length = SSID.length();
    159         if (length > 2 && (SSID.charAt(0) == '"') && SSID.charAt(length - 1) == '"') {
    160             return SSID.substring(1, length - 1);
    161         }
    162 
    163         /** The ascii-encoded string format is P"<ascii-encoded-string>"
    164          * The decoding is implemented in the supplicant for a newly configured
    165          * network.
    166          */
    167         if (length > 3 && (SSID.charAt(0) == 'P') && (SSID.charAt(1) == '"') &&
    168                 (SSID.charAt(length-1) == '"')) {
    169             WifiSsid wifiSsid = WifiSsid.createFromAsciiEncoded(
    170                     SSID.substring(2, length - 1));
    171             return wifiSsid.toString();
    172         }
    173         return SSID;
    174     }
    175 
    176     /** Implement the Parcelable interface {@hide} */
    177     public void writeToParcel(Parcel dest, int flags) {
    178         dest.writeString(SSID);
    179         dest.writeString(BSSID);
    180         dest.writeInt(on_time);
    181         dest.writeInt(tx_time);
    182         dest.writeInt(rx_time);
    183         dest.writeInt(on_time_scan);
    184     }
    185 
    186     /** Implement the Parcelable interface {@hide} */
    187     public static final Creator<WifiLinkLayerStats> CREATOR =
    188         new Creator<WifiLinkLayerStats>() {
    189             public WifiLinkLayerStats createFromParcel(Parcel in) {
    190                 WifiLinkLayerStats stats = new WifiLinkLayerStats();
    191                 stats.SSID = in.readString();
    192                 stats.BSSID = in.readString();
    193                 stats.on_time = in.readInt();
    194                 stats.tx_time = in.readInt();
    195                 stats.rx_time = in.readInt();
    196                 stats.on_time_scan = in.readInt();
    197                 return stats;
    198             };
    199             public WifiLinkLayerStats[] newArray(int size) {
    200                 return new WifiLinkLayerStats[size];
    201             }
    202 
    203         };
    204 }
    205