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      1 /*
      2  * Copyright (C) 2017 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 
     19 package android.drm_metrics;
     20 
     21 // need this if we are using libprotobuf-cpp-2.3.0-lite
     22 option optimize_for = LITE_RUNTIME;
     23 
     24 // The MetricsGroup is a collection of metric name/value pair instances
     25 // that can be serialized and provided to a caller.
     26 message MetricsGroup {
     27   message Metric {
     28     message MetricValue {
     29       // Exactly one of the following values must be set.
     30       optional int64 int_value = 1;
     31       optional double double_value = 2;
     32       optional string string_value = 3;
     33     }
     34 
     35     // The name of the metric. Must be valid UTF-8. Required.
     36     optional string name = 1;
     37 
     38     // The value of the metric. Required.
     39     optional MetricValue value = 2;
     40   }
     41 
     42   // The list of name/value pairs of metrics.
     43   repeated Metric metric = 1;
     44 
     45   // Allow multiple sub groups of metrics.
     46   repeated MetricsGroup metric_sub_group = 2;
     47 
     48   // Name of the application package associated with the metrics.
     49   optional string app_package_name = 3;
     50 }
     51