text: // Copyright 2015 The Crashpad Authors. All rights reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef CRASHPAD_SNAPSHOT_MINIDUMP_PROCESS_SNAPSHOT_MINIDUMP_H_
  #define CRASHPAD_SNAPSHOT_MINIDUMP_PROCESS_SNAPSHOT_MINIDUMP_H_
  
  #include <windows.h>
  #include <dbghelp.h>
  #include <stdint.h>
  #include <sys/time.h>
  
  #include <map>
  #include <memory>
  #include <string>
  #include <vector>
  
  #include "minidump/minidump_extensions.h"
  #include "snapshot/exception_snapshot.h"
  #include "snapshot/memory_snapshot.h"
  #include "snapshot/minidump/exception_snapshot_minidump.h"
  #include "snapshot/minidump/minidump_stream.h"
  #include "snapshot/minidump/module_snapshot_minidump.h"
  #include "snapshot/minidump/system_snapshot_minidump.h"
  #include "snapshot/minidump/thread_snapshot_minidump.h"
  #include "snapshot/module_snapshot.h"
  #include "snapshot/process_snapshot.h"
  #include "snapshot/system_snapshot.h"
  #include "snapshot/thread_snapshot.h"
  #include "snapshot/unloaded_module_snapshot.h"
  #include "util/file/file_reader.h"
  #include "util/misc/initialization_state_dcheck.h"
  #include "util/misc/uuid.h"
  #include "util/process/process_id.h"
  
  namespace crashpad {
  
  namespace internal {
  class MemoryMapRegionSnapshotMinidump;
  }  // namespace internal
  
  //! \brief A ProcessSnapshot based on a minidump file.
  class ProcessSnapshotMinidump final : public ProcessSnapshot {
   public:
    ProcessSnapshotMinidump();
  
    ProcessSnapshotMinidump(const ProcessSnapshotMinidump&) = delete;
    ProcessSnapshotMinidump& operator=(const ProcessSnapshotMinidump&) = delete;
  
    ~ProcessSnapshotMinidump() override;
  
    //! \brief Initializes the object.
    //!
    //! \param[in] file_reader A file reader corresponding to a minidump file.
    //!     The file reader must support seeking.
    //!
    //! \return `true` if the snapshot could be created, `false` otherwise with
    //!     an appropriate message logged.
    bool Initialize(FileReaderInterface* file_reader);
  
    // ProcessSnapshot:
  
    crashpad::ProcessID ProcessID() const override;
    crashpad::ProcessID ParentProcessID() const override;
    void SnapshotTime(timeval* snapshot_time) const override;
    void ProcessStartTime(timeval* start_time) const override;
    void ProcessCPUTimes(timeval* user_time, timeval* system_time) const override;
    void ReportID(UUID* report_id) const override;
    void ClientID(UUID* client_id) const override;
    const std::map<std::string, std::string>& AnnotationsSimpleMap()
        const override;
    const SystemSnapshot* System() const override;
    std::vector<const ThreadSnapshot*> Threads() const override;
    std::vector<const ModuleSnapshot*> Modules() const override;
    std::vector<UnloadedModuleSnapshot> UnloadedModules() const override;
    const ExceptionSnapshot* Exception() const override;
    std::vector<const MemoryMapRegionSnapshot*> MemoryMap() const override;
    std::vector<HandleSnapshot> Handles() const override;
    std::vector<const MemorySnapshot*> ExtraMemory() const override;
    const ProcessMemory* Memory() const override;
  
    //! \brief Returns a list of custom minidump streams. This routine is the
    //!     equivalent of ModuleSnapshot::CustomMinidumpStreams(), except that in
    //!     a minidump it is impossible to associate a custom stream to a specific
    //!     module.
    //!
    //! \return The caller does not take ownership of the returned objects, they
    //!     are scoped to the lifetime of the ProcessSnapshotMinidump object that
    //!     they were obtained from.
    std::vector<const MinidumpStream*> CustomMinidumpStreams() const;
  
   private:
    // Initializes data carried in a MinidumpCrashpadInfo stream on behalf of
    // Initialize().
    bool InitializeCrashpadInfo();
  
    // Initializes data carried in a MINIDUMP_MODULE_LIST stream on behalf of
    // Initialize().
    bool InitializeModules();
  
    // Initializes data carried in a MINIDUMP_THREAD_LIST stream on behalf of
    // Initialize().
    bool InitializeThreads();
  
    // Initializes data carried in a MINIDUMP_THREAD_NAME_LIST stream on behalf of
    // Initialize().
    bool InitializeThreadNames();
  
    // Initializes data carried in a MINIDUMP_MEMORY_INFO_LIST stream on behalf of
    // Initialize().
    bool InitializeMemoryInfo();
  
    // Initializes data carried in a MINIDUMP_MEMORY_LIST stream on behalf of
    // Initialize().
    bool InitializeExtraMemory();
  
    // Initializes data carried in a MINIDUMP_SYSTEM_INFO stream on behalf of
    // Initialize().
    bool InitializeSystemSnapshot();
  
    // Initializes data carried in a MinidumpModuleCrashpadInfoList structure on
    // behalf of InitializeModules(). This makes use of MinidumpCrashpadInfo as
    // well, so it must be called after InitializeCrashpadInfo().
    bool InitializeModulesCrashpadInfo(
        std::map<uint32_t, MINIDUMP_LOCATION_DESCRIPTOR>*
            module_crashpad_info_links);
  
    // Initializes data carried in a MINIDUMP_MISC_INFO structure on behalf of
    // Initialize().
    bool InitializeMiscInfo();
  
    // Initializes custom minidump streams.
    bool InitializeCustomMinidumpStreams();
  
    // Initializes data carried in a MINIDUMP_EXCEPTION_STREAM stream on behalf of
    // Initialize().
    bool InitializeExceptionSnapshot();
  
    MINIDUMP_HEADER header_;
    std::vector<MINIDUMP_DIRECTORY> stream_directory_;
    std::map<MinidumpStreamType, const MINIDUMP_LOCATION_DESCRIPTOR*> stream_map_;
    std::vector<std::unique_ptr<internal::ModuleSnapshotMinidump>> modules_;
    std::vector<std::unique_ptr<internal::ThreadSnapshotMinidump>> threads_;
    std::map<uint32_t, std::string> thread_names_;
    std::vector<UnloadedModuleSnapshot> unloaded_modules_;
    std::vector<std::unique_ptr<internal::MemoryMapRegionSnapshotMinidump>>
        mem_regions_;
    std::vector<const MemoryMapRegionSnapshot*> mem_regions_exposed_;
    std::vector<std::unique_ptr<internal::MemorySnapshotMinidump>> extra_memory_;
    std::vector<std::unique_ptr<MinidumpStream>> custom_streams_;
    MinidumpCrashpadInfo crashpad_info_;
    internal::SystemSnapshotMinidump system_snapshot_;
    internal::ExceptionSnapshotMinidump exception_snapshot_;
    CPUArchitecture arch_;
    std::map<std::string, std::string> annotations_simple_map_;
    std::string full_version_;
    FileReaderInterface* file_reader_;  // weak
    crashpad::ProcessID process_id_;
    uint32_t create_time_;
    uint32_t user_time_;
    uint32_t kernel_time_;
    InitializationStateDcheck initialized_;
  };
  
  }  // namespace crashpad
  
  #endif  // CRASHPAD_SNAPSHOT_MINIDUMP_PROCESS_SNAPSHOT_MINIDUMP_H_
  