dolphin/Source/Core/DiscIO/VolumeVerifier.h

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2019-03-21 22:04:56 +00:00
// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <optional>
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#include <string>
#include <vector>
#include <mbedtls/md5.h>
#include <mbedtls/sha1.h>
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#include "Common/CommonTypes.h"
#include "Core/IOS/ES/Formats.h"
#include "DiscIO/DiscScrubber.h"
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#include "DiscIO/Volume.h"
// To be used as follows:
//
// VolumeVerifier verifier(volume);
// verifier.Start();
// while (verifier.GetBytesProcessed() != verifier.GetTotalBytes())
// verifier.Process();
// verifier.Finish();
// auto result = verifier.GetResult();
//
// Start, Process and Finish may take some time to run.
//
// GetResult() can be called before the processing is finished, but the result will be incomplete.
namespace DiscIO
{
class FileInfo;
class VolumeVerifier final
{
public:
enum class Severity
{
None, // Only used internally
Low,
Medium,
High,
};
struct Problem
{
Severity severity;
std::string text;
};
template <typename T>
struct Hashes
{
T crc32;
T md5;
T sha1;
};
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struct Result
{
Hashes<std::vector<u8>> hashes;
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std::string summary_text;
std::vector<Problem> problems;
};
VolumeVerifier(const Volume& volume, Hashes<bool> hashes_to_calculate);
~VolumeVerifier();
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void Start();
void Process();
u64 GetBytesProcessed() const;
u64 GetTotalBytes() const;
void Finish();
const Result& GetResult() const;
private:
struct BlockToVerify
{
Partition partition;
u64 offset;
u64 block_index;
};
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void CheckPartitions();
bool CheckPartition(const Partition& partition); // Returns false if partition should be ignored
std::string GetPartitionName(std::optional<u32> type) const;
void CheckCorrectlySigned(const Partition& partition, std::string error_text);
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bool IsDebugSigned() const;
bool ShouldHaveChannelPartition() const;
bool ShouldHaveInstallPartition() const;
bool ShouldHaveMasterpiecePartitions() const;
bool ShouldBeDualLayer() const;
void CheckDiscSize();
u64 GetBiggestUsedOffset() const;
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u64 GetBiggestUsedOffset(const FileInfo& file_info) const;
void CheckMisc();
void SetUpHashing();
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void AddProblem(Severity severity, std::string text);
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const Volume& m_volume;
Result m_result;
bool m_is_tgc = false;
bool m_is_datel = false;
bool m_is_not_retail = false;
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Hashes<bool> m_hashes_to_calculate{};
bool m_calculating_any_hash = false;
unsigned long m_crc32_context = 0;
mbedtls_md5_context m_md5_context;
mbedtls_sha1_context m_sha1_context;
DiscScrubber m_scrubber;
IOS::ES::TicketReader m_ticket;
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std::vector<u64> m_content_offsets;
u16 m_content_index = 0;
std::vector<BlockToVerify> m_blocks;
size_t m_block_index = 0; // Index in m_blocks, not index in a specific partition
std::map<Partition, size_t> m_block_errors;
std::map<Partition, size_t> m_unused_block_errors;
bool m_started = false;
bool m_done = false;
u64 m_progress = 0;
u64 m_max_progress = 0;
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};
} // namespace DiscIO