blob: 52c1bf380bccf85ce603dbec0c2f1ce8ff68e2bc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (C) 2016 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.loganalysis.parser;
import com.android.loganalysis.item.DumpsysWifiStatsItem;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* A {@link IParser} to parse wifi stats and extract the number of disconnects and scans
*/
public class DumpsysWifiStatsParser implements IParser {
/**
* Matches: 01-04 00:16:27.666 - Event [IFNAME=wlan0 CTRL-EVENT-SCAN-STARTED ]
*/
private static final Pattern WIFI_SCAN = Pattern.compile(
"^\\d+-\\d+ \\d+:\\d+:\\d+\\.\\d+ - Event \\[IFNAME=wlan0 CTRL-EVENT-SCAN-STARTED \\]");
/**
* Matches: 01-04 00:16:27.666 - Event [IFNAME=wlan0 CTRL-EVENT-DISCONNECTED
* bssid=6c:f3:7f:ae:89:92 reason=0 locally_generated=1]
*/
private static final Pattern WIFI_DISCONNECT = Pattern.compile(
"^\\d+-\\d+ \\d+:\\d+:\\d+\\.\\d+ - Event \\[IFNAME=wlan0 CTRL-EVENT-DISCONNECTED "
+ "bssid=\\w+:\\w+:\\w+:\\w+:\\w+:\\w+ reason=\\d+(\\s*locally_generated=\\d+)?\\]");
/**
* Matches: 01-21 18:17:23.15 - Event [IFNAME=wlan0 Trying to associate with SSID 'WL-power-2']
*/
private static final Pattern WIFI_ASSOCIATION = Pattern.compile(
"^\\d+-\\d+ \\d+:\\d+:\\d+\\.\\d+ - Event \\[IFNAME=wlan0 Trying to associate with "
+ "SSID \\'.*\\'\\]");
/**
* {@inheritDoc}
*
* @return The {@link DumpsysWifiStatsItem}.
*/
@Override
public DumpsysWifiStatsItem parse(List<String> lines) {
DumpsysWifiStatsItem item = new DumpsysWifiStatsItem();
int numWifiScans = 0;
int numWifiDisconnects = 0;
int numWifiAssociations = 0;
for (String line : lines) {
Matcher m = WIFI_SCAN.matcher(line);
if(m.matches()) {
numWifiScans++;
continue;
}
m = WIFI_DISCONNECT.matcher(line);
if (m.matches()) {
numWifiDisconnects++;
continue;
}
m = WIFI_ASSOCIATION.matcher(line);
if (m.matches()) {
numWifiAssociations++;
}
}
item.setNumWifiScan(numWifiScans);
item.setNumWifiDisconnect(numWifiDisconnects);
item.setNumWifiAssociation(numWifiAssociations);
return item;
}
}
|
