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      1 /*
      2  * Copyright (C) 2018 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 syntax = "proto2";
     18 package com.android.server.biometrics.face;
     19 
     20 import "frameworks/base/core/proto/android/privacy.proto";
     21 
     22 option java_multiple_files = true;
     23 option java_outer_classname = "FaceServiceProto";
     24 
     25 message FaceServiceDumpProto {
     26     option (.android.msg_privacy).dest = DEST_AUTOMATIC;
     27 
     28     // Each log may include multiple user_id for different users.
     29     repeated FaceUserStatsProto users = 1;
     30 }
     31 
     32 message FaceUserStatsProto {
     33     option (.android.msg_privacy).dest = DEST_AUTOMATIC;
     34 
     35     // Refer to the UserHandle documentation.
     36     optional int32 user_id = 1;
     37 
     38     // The number of faces registered to this user.
     39     optional int32 num_faces = 2;
     40 
     41     // Normal face authentications stats (e.g. lockscreen).
     42     optional FaceActionStatsProto normal = 3;
     43 
     44     // Crypto authentications (e.g. to unlock password storage, make secure
     45     // purchases, etc).
     46     optional FaceActionStatsProto crypto = 4;
     47 }
     48 
     49 message FaceActionStatsProto {
     50     option (.android.msg_privacy).dest = DEST_AUTOMATIC;
     51 
     52     // Number of accepted faces.
     53     optional int32 accept = 1;
     54 
     55     // Number of rejected faces.
     56     optional int32 reject = 2;
     57 
     58     // Total number of acquisitions. Should be >= accept+reject due to poor
     59     // image acquisition in some cases (too high, too low, poor gaze, etc.)
     60     optional int32 acquire = 3;
     61 
     62     // Total number of lockouts.
     63     optional int32 lockout = 4;
     64 
     65     // Total number of permanent lockouts.
     66     optional int32 lockout_permanent = 5;
     67 }
     68