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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 #include "ProtoFuzzerStats.h"
     18 
     19 #include <iomanip>
     20 #include <iostream>
     21 #include <map>
     22 #include <sstream>
     23 
     24 using std::endl;
     25 using std::map;
     26 using std::string;
     27 using std::unordered_map;
     28 
     29 namespace android {
     30 namespace vts {
     31 namespace fuzzer {
     32 
     33 void ProtoFuzzerStats::RegisterTouch(string iface_name, string func_name) {
     34   // Update the touch count for the full function name.
     35   string key = iface_name + "::" + func_name;
     36   touch_count_[key]++;
     37   // Record that this interface has been touched.
     38   touched_ifaces_.insert(std::move(iface_name));
     39 }
     40 
     41 string ProtoFuzzerStats::StatsString() const {
     42   std::map<string, uint64_t> ordered_result{touch_count_.cbegin(),
     43                                             touch_count_.cend()};
     44 
     45   std::stringstream ss{};
     46   ss << "HAL api function touch count: " << endl;
     47   for (const auto &entry : ordered_result) {
     48     ss << std::left << std::setfill(' ') << std::setw(40) << entry.first
     49        << std::setw(40) << entry.second << endl;
     50   }
     51   ss << endl;
     52   return ss.str();
     53 }
     54 
     55 }  // namespace fuzzer
     56 }  // namespace vts
     57 }  // namespace android
     58