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      1 /*
      2  * Copyright 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 #ifndef __VTS_PROTO_FUZZER_STATS_H_
     18 #define __VTS_PROTO_FUZZER_STATS_H_
     19 
     20 #include <string>
     21 #include <unordered_map>
     22 #include <unordered_set>
     23 
     24 namespace android {
     25 namespace vts {
     26 namespace fuzzer {
     27 
     28 // Holds stats about a fuzzer run.
     29 class ProtoFuzzerStats {
     30  public:
     31   // Registers fuzzer touching an interface function.
     32   void RegisterTouch(std::string iface_name, std::string func_name);
     33   // Returns collected stats in string form.
     34   std::string StatsString() const;
     35   // Returns the set of touched interfaces.
     36   const std::unordered_set<std::string> &TouchedIfaces() const {
     37     return touched_ifaces_;
     38   }
     39 
     40  private:
     41   // Counts the number of times a function was touched.
     42   // This object will be written to often, so we use unordered_map.
     43   std::unordered_map<std::string, uint64_t> touch_count_;
     44   // The set of interfaces that have been touched to far.
     45   std::unordered_set<std::string> touched_ifaces_;
     46 };
     47 
     48 }  // namespace fuzzer
     49 }  // namespace vts
     50 }  // namespace android
     51 
     52 #endif  // __VTS_PROTO_FUZZER_STATS__
     53