blob: 5ceedddededf4d45ed0446f3f92b315e33f2cd65 (
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
|
/*
* Copyright (C) 2017 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.annotation.NonNull;
import android.net.wifi.ScanResult;
import java.util.List;
import java.util.Set;
/**
* Helps recommend the best available network for {@link OpenNetworkNotifier}.
*
* NOTE: These API's are not thread safe and should only be used from WifiStateMachine thread.
* @hide
*/
public class OpenNetworkRecommender {
/**
* Recommends the network with the best signal strength.
*
* @param networks List of scan details to pick a recommendation. This list should not be null
* or empty.
* @param blacklistedSsids The list of SSIDs that should not be recommended.
*/
public ScanResult recommendNetwork(@NonNull List<ScanDetail> networks,
@NonNull Set<String> blacklistedSsids) {
ScanResult result = null;
int highestRssi = Integer.MIN_VALUE;
for (ScanDetail scanDetail : networks) {
ScanResult scanResult = scanDetail.getScanResult();
if (scanResult.level > highestRssi) {
result = scanResult;
highestRssi = scanResult.level;
}
}
if (result != null && blacklistedSsids.contains(result.SSID)) {
result = null;
}
return result;
}
}
|
