PasspointMatchInfo.java revision 77f2b82a2e80af8da52c22d69a76def6d4209757 
1package com.android.server.wifi.hotspot2;
2
3import com.android.server.wifi.hotspot2.pps.HomeSP;
4
5import java.util.HashMap;
6import java.util.Map;
7
8public class PasspointMatchInfo implements Comparable<PasspointMatchInfo> {
9    private final PasspointMatch mPasspointMatch;
10    private final NetworkDetail mNetworkDetail;
11    private final HomeSP mHomeSP;
12
13    private static final Map<NetworkDetail.Ant, Integer> sAntScores =
14            new HashMap<NetworkDetail.Ant, Integer>();
15
16    static {
17        sAntScores.put(NetworkDetail.Ant.FreePublic, 7);
18        sAntScores.put(NetworkDetail.Ant.ChargeablePublic, 6);
19        sAntScores.put(NetworkDetail.Ant.PrivateWithGuest, 5);
20        sAntScores.put(NetworkDetail.Ant.Private, 4);
21        sAntScores.put(NetworkDetail.Ant.Personal, 3);
22        sAntScores.put(NetworkDetail.Ant.EmergencyOnly, 2);
23        sAntScores.put(NetworkDetail.Ant.Wildcard, 1);
24        sAntScores.put(NetworkDetail.Ant.TestOrExperimental, 0);
25    }
26
27    public PasspointMatchInfo(PasspointMatch passpointMatch,
28                              NetworkDetail networkDetail, HomeSP homeSP) {
29        mPasspointMatch = passpointMatch;
30        mNetworkDetail = networkDetail;
31        mHomeSP = homeSP;
32    }
33
34    public PasspointMatch getPasspointMatch() {
35        return mPasspointMatch;
36    }
37
38    public NetworkDetail getNetworkDetail() {
39        return mNetworkDetail;
40    }
41
42    public HomeSP getHomeSP() {
43        return mHomeSP;
44    }
45
46    @Override
47    public int compareTo(PasspointMatchInfo that) {
48        if (getPasspointMatch() != that.getPasspointMatch()) {
49            return getPasspointMatch().compareTo(that.getPasspointMatch());
50        }
51
52        // WAN Metrics
53        // IP Address Type Availability (802.11)
54        // Connection capability
55
56        NetworkDetail n1 = getNetworkDetail();
57        NetworkDetail n2 = that.getNetworkDetail();
58
59        if (n1.isInternet() != n2.isInternet()) {
60            return n1.isInternet() ? 1 : -1;
61        }
62
63        if (n1.hasInterworking() && n2.hasInterworking() && n1.getAnt() != n2.getAnt()) {
64            int an1 = sAntScores.get(n1.getAnt());
65            int an2 = sAntScores.get(n2.getAnt());
66            return an1 - an2;
67        }
68
69        long score1 = n1.getCapacity() * n1.getChannelUtilization() * n1.getStationCount();
70        long score2 = n2.getCapacity() * n2.getChannelUtilization() * n2.getStationCount();
71
72        if (score1 != score2) {
73            return score1 < score2 ? 1 : -1;
74        }
75
76        return Utils.compare(n1.getHSRelease(), n2.getHSRelease());
77    }
78
79    @Override
80    public boolean equals(Object thatObject) {
81        if (this == thatObject) {
82            return true;
83        }
84        if (thatObject == null || getClass() != thatObject.getClass()) {
85            return false;
86        }
87
88        PasspointMatchInfo that = (PasspointMatchInfo)thatObject;
89
90        return getNetworkDetail().equals(that.getNetworkDetail()) &&
91                getHomeSP().equals(that.getHomeSP()) &&
92                getPasspointMatch().equals(that.getPasspointMatch());
93    }
94
95    @Override
96    public int hashCode() {
97        int result = mPasspointMatch != null ? mPasspointMatch.hashCode() : 0;
98        result = 31 * result + mNetworkDetail.hashCode();
99        result = 31 * result + (mHomeSP != null ? mHomeSP.hashCode() : 0);
100        return result;
101    }
102
103    @Override
104    public String toString() {
105        return "PasspointMatchInfo{" +
106                ", mPasspointMatch=" + mPasspointMatch +
107                ", mNetworkInfo=" + mNetworkDetail.getSSID() +
108                ", mHomeSP=" + mHomeSP.getFQDN() +
109                '}';
110    }
111}
112