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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 #ifndef INCLUDE_PERFETTO_TRACED_DATA_SOURCE_TYPES_H_
     18 #define INCLUDE_PERFETTO_TRACED_DATA_SOURCE_TYPES_H_
     19 
     20 #include <sys/stat.h>
     21 #include <sys/types.h>
     22 #include <unistd.h>
     23 #include <set>
     24 #include <string>
     25 
     26 #include "perfetto/trace/filesystem/inode_file_map.pbzero.h"
     27 
     28 namespace perfetto {
     29 
     30 // On ARM, st_ino is not ino_t but unsigned long long.
     31 using Inode = decltype(stat::st_ino);
     32 
     33 // On ARM, st_dev is not dev_t but unsigned long long.
     34 using BlockDeviceID = decltype(stat::st_dev);
     35 
     36 class InodeMapValue {
     37  public:
     38   InodeMapValue(protos::pbzero::InodeFileMap_Entry_Type entry_type,
     39                 std::set<std::string> paths)
     40       : entry_type_(entry_type), paths_(std::move(paths)) {}
     41 
     42   InodeMapValue() {}
     43 
     44   protos::pbzero::InodeFileMap_Entry_Type type() const { return entry_type_; }
     45   const std::set<std::string>& paths() const { return paths_; }
     46   void SetType(protos::pbzero::InodeFileMap_Entry_Type entry_type) {
     47     entry_type_ = entry_type;
     48   }
     49   void SetPaths(std::set<std::string> paths) { paths_ = std::move(paths); }
     50   void AddPath(std::string path) { paths_.emplace(std::move(path)); }
     51 
     52   bool operator==(const perfetto::InodeMapValue& rhs) const {
     53     return type() == rhs.type() && paths() == rhs.paths();
     54   }
     55 
     56  private:
     57   protos::pbzero::InodeFileMap_Entry_Type entry_type_;
     58   std::set<std::string> paths_;
     59 };
     60 
     61 }  // namespace perfetto
     62 
     63 #endif  // INCLUDE_PERFETTO_TRACED_DATA_SOURCE_TYPES_H_
     64