Atmosphere/libraries/libstratosphere/source/fs/fs_access_log.cpp

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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "impl/fs_file_system_proxy_service_object.hpp"
#include "fsa/fs_user_mount_table.hpp"
#include "fsa/fs_directory_accessor.hpp"
#include "fsa/fs_file_accessor.hpp"
#include "fsa/fs_filesystem_accessor.hpp"
#define AMS_FS_IMPL_ACCESS_LOG_AMS_API_VERSION "ams_version: " STRINGIZE(ATMOSPHERE_RELEASE_VERSION_MAJOR) "." STRINGIZE(ATMOSPHERE_RELEASE_VERSION_MINOR) "." STRINGIZE(ATMOSPHERE_RELEASE_VERSION_MICRO)
/* TODO: Other specs? */
#define AMS_FS_IMPL_ACCESS_LOG_SPEC "spec: NX"
namespace ams::fs {
/* Forward declare priority getter. */
fs::PriorityRaw GetPriorityRawOnCurrentThreadInternal();
namespace {
constinit u32 g_global_access_log_mode = fs::AccessLogMode_None;
constinit u32 g_local_access_log_target = fs::impl::AccessLogTarget_None;
constinit std::atomic_bool g_access_log_initialized = false;
constinit os::SdkMutex g_access_log_initialization_mutex;
void SetLocalAccessLogImpl(bool enabled) {
if (enabled) {
g_local_access_log_target |= fs::impl::AccessLogTarget_Application;
} else {
g_local_access_log_target &= ~fs::impl::AccessLogTarget_Application;
}
}
}
Result GetGlobalAccessLogMode(u32 *out) {
const auto fsp = impl::GetFileSystemProxyServiceObject();
AMS_FS_R_TRY(fsp->GetGlobalAccessLogMode(out));
R_SUCCEED();
}
Result SetGlobalAccessLogMode(u32 mode) {
const auto fsp = impl::GetFileSystemProxyServiceObject();
AMS_FS_R_TRY(fsp->SetGlobalAccessLogMode(mode));
R_SUCCEED();
}
void SetLocalAccessLog(bool enabled) {
SetLocalAccessLogImpl(enabled);
}
void SetLocalApplicationAccessLog(bool enabled) {
SetLocalAccessLogImpl(enabled);
}
void SetLocalSystemAccessLogForDebug(bool enabled) {
#if defined(AMS_BUILD_FOR_DEBUGGING)
if (enabled) {
g_local_access_log_target |= (fs::impl::AccessLogTarget_Application | fs::impl::AccessLogTarget_System);
} else {
g_local_access_log_target &= ~(fs::impl::AccessLogTarget_Application | fs::impl::AccessLogTarget_System);
}
#else
AMS_UNUSED(enabled);
#endif
}
}
namespace ams::fs::impl {
#define ADD_ENUM_CASE(v) case v: return #v
const char *IdString::ToValueString(int id) {
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const int len = util::SNPrintf(m_buffer, sizeof(m_buffer), "%d", id);
AMS_ASSERT(static_cast<size_t>(len) < sizeof(m_buffer));
AMS_UNUSED(len);
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return m_buffer;
}
template<> const char *IdString::ToString<fs::Priority>(fs::Priority id) {
switch (id) {
case fs::Priority_Realtime: return "Realtime";
case fs::Priority_Normal: return "Normal";
case fs::Priority_Low: return "Low";
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fs::PriorityRaw>(fs::PriorityRaw id) {
switch (id) {
case fs::PriorityRaw_Realtime: return "Realtime";
case fs::PriorityRaw_Normal: return "Normal";
case fs::PriorityRaw_Low: return "Low";
case fs::PriorityRaw_Background: return "Realtime";
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fs::ContentStorageId>(fs::ContentStorageId id) {
switch (id) {
using enum fs::ContentStorageId;
ADD_ENUM_CASE(User);
ADD_ENUM_CASE(System);
ADD_ENUM_CASE(SdCard);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fs::SaveDataSpaceId>(fs::SaveDataSpaceId id) {
switch (id) {
using enum fs::SaveDataSpaceId;
ADD_ENUM_CASE(System);
ADD_ENUM_CASE(User);
ADD_ENUM_CASE(SdSystem);
ADD_ENUM_CASE(ProperSystem);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fs::ContentType>(fs::ContentType id) {
switch (id) {
case fs::ContentType_Meta: return "Meta";
case fs::ContentType_Control: return "Control";
case fs::ContentType_Manual: return "Manual";
case fs::ContentType_Logo: return "Logo";
case fs::ContentType_Data: return "Data";
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fs::BisPartitionId>(fs::BisPartitionId id) {
switch (id) {
using enum fs::BisPartitionId;
ADD_ENUM_CASE(BootPartition1Root);
ADD_ENUM_CASE(BootPartition2Root);
ADD_ENUM_CASE(UserDataRoot);
ADD_ENUM_CASE(BootConfigAndPackage2Part1);
ADD_ENUM_CASE(BootConfigAndPackage2Part2);
ADD_ENUM_CASE(BootConfigAndPackage2Part3);
ADD_ENUM_CASE(BootConfigAndPackage2Part4);
ADD_ENUM_CASE(BootConfigAndPackage2Part5);
ADD_ENUM_CASE(BootConfigAndPackage2Part6);
ADD_ENUM_CASE(CalibrationBinary);
ADD_ENUM_CASE(CalibrationFile);
ADD_ENUM_CASE(SafeMode);
ADD_ENUM_CASE(User);
ADD_ENUM_CASE(System);
ADD_ENUM_CASE(SystemProperEncryption);
ADD_ENUM_CASE(SystemProperPartition);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fs::DirectoryEntryType>(fs::DirectoryEntryType type) {
switch (type) {
case fs::DirectoryEntryType_Directory: return "Directory";
case fs::DirectoryEntryType_File: return "File";
default: return ToValueString(static_cast<int>(type));
}
}
template<> const char *IdString::ToString<fs::GameCardPartition>(fs::GameCardPartition id) {
switch (id) {
using enum fs::GameCardPartition;
ADD_ENUM_CASE(Update);
ADD_ENUM_CASE(Normal);
ADD_ENUM_CASE(Secure);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaHeader::ContentType>(fssystem::NcaHeader::ContentType id) {
switch (id) {
using enum fssystem::NcaHeader::ContentType;
ADD_ENUM_CASE(Program);
ADD_ENUM_CASE(Meta);
ADD_ENUM_CASE(Control);
ADD_ENUM_CASE(Manual);
ADD_ENUM_CASE(Data);
ADD_ENUM_CASE(PublicData);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaHeader::DistributionType>(fssystem::NcaHeader::DistributionType id) {
switch (id) {
using enum fssystem::NcaHeader::DistributionType;
ADD_ENUM_CASE(Download);
ADD_ENUM_CASE(GameCard);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaHeader::EncryptionType>(fssystem::NcaHeader::EncryptionType id) {
switch (id) {
using enum fssystem::NcaHeader::EncryptionType;
ADD_ENUM_CASE(Auto);
ADD_ENUM_CASE(None);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaHeader::DecryptionKey>(fssystem::NcaHeader::DecryptionKey id) {
switch (id) {
using enum fssystem::NcaHeader::DecryptionKey;
case DecryptionKey_AesXts1: return "AesXts1";
case DecryptionKey_AesXts2: return "AesXts2";
case DecryptionKey_AesCtr: return "AesCtr";
case DecryptionKey_AesCtrEx: return "AesCtrEx";
case DecryptionKey_AesCtrHw: return "AesCtrHw";
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaFsHeader::FsType>(fssystem::NcaFsHeader::FsType id) {
switch (id) {
using enum fssystem::NcaFsHeader::FsType;
ADD_ENUM_CASE(RomFs);
ADD_ENUM_CASE(PartitionFs);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaFsHeader::EncryptionType>(fssystem::NcaFsHeader::EncryptionType id) {
switch (id) {
using enum fssystem::NcaFsHeader::EncryptionType;
ADD_ENUM_CASE(Auto);
ADD_ENUM_CASE(None);
ADD_ENUM_CASE(AesXts);
ADD_ENUM_CASE(AesCtr);
ADD_ENUM_CASE(AesCtrEx);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssystem::NcaFsHeader::HashType>(fssystem::NcaFsHeader::HashType id) {
switch (id) {
using enum fssystem::NcaFsHeader::HashType;
ADD_ENUM_CASE(Auto);
ADD_ENUM_CASE(None);
ADD_ENUM_CASE(HierarchicalSha256Hash);
ADD_ENUM_CASE(HierarchicalIntegrityHash);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssrv::impl::AccessControlBits::Bits>(fssrv::impl::AccessControlBits::Bits id) {
switch (id) {
using enum fssrv::impl::AccessControlBits::Bits;
ADD_ENUM_CASE(ApplicationInfo);
ADD_ENUM_CASE(BootModeControl);
ADD_ENUM_CASE(Calibration);
ADD_ENUM_CASE(SystemSaveData);
ADD_ENUM_CASE(GameCard);
ADD_ENUM_CASE(SaveDataBackUp);
ADD_ENUM_CASE(SaveDataManagement);
ADD_ENUM_CASE(BisAllRaw);
ADD_ENUM_CASE(GameCardRaw);
ADD_ENUM_CASE(GameCardPrivate);
ADD_ENUM_CASE(SetTime);
ADD_ENUM_CASE(ContentManager);
ADD_ENUM_CASE(ImageManager);
ADD_ENUM_CASE(CreateSaveData);
ADD_ENUM_CASE(SystemSaveDataManagement);
ADD_ENUM_CASE(BisFileSystem);
ADD_ENUM_CASE(SystemUpdate);
ADD_ENUM_CASE(SaveDataMeta);
ADD_ENUM_CASE(DeviceSaveData);
ADD_ENUM_CASE(SettingsControl);
ADD_ENUM_CASE(SystemData);
ADD_ENUM_CASE(SdCard);
ADD_ENUM_CASE(Host);
ADD_ENUM_CASE(FillBis);
ADD_ENUM_CASE(CorruptSaveData);
ADD_ENUM_CASE(SaveDataForDebug);
ADD_ENUM_CASE(FormatSdCard);
ADD_ENUM_CASE(GetRightsId);
ADD_ENUM_CASE(RegisterExternalKey);
ADD_ENUM_CASE(RegisterUpdatePartition);
ADD_ENUM_CASE(SaveDataTransfer);
ADD_ENUM_CASE(DeviceDetection);
ADD_ENUM_CASE(AccessFailureResolution);
ADD_ENUM_CASE(SaveDataTransferVersion2);
ADD_ENUM_CASE(RegisterProgramIndexMapInfo);
ADD_ENUM_CASE(CreateOwnSaveData);
ADD_ENUM_CASE(MoveCacheStorage);
ADD_ENUM_CASE(Debug);
ADD_ENUM_CASE(FullPermission);
default: return ToValueString(util::CountTrailingZeros(util::ToUnderlying(id)));
}
}
template<> const char *IdString::ToString<fssrv::impl::AccessControl::AccessibilityType>(fssrv::impl::AccessControl::AccessibilityType id) {
switch (id) {
using enum fssrv::impl::AccessControl::AccessibilityType;
ADD_ENUM_CASE(MountLogo);
ADD_ENUM_CASE(MountContentMeta);
ADD_ENUM_CASE(MountContentControl);
ADD_ENUM_CASE(MountContentManual);
ADD_ENUM_CASE(MountContentData);
ADD_ENUM_CASE(MountApplicationPackage);
ADD_ENUM_CASE(MountSaveDataStorage);
ADD_ENUM_CASE(MountContentStorage);
ADD_ENUM_CASE(MountImageAndVideoStorage);
ADD_ENUM_CASE(MountCloudBackupWorkStorage);
ADD_ENUM_CASE(MountCustomStorage);
ADD_ENUM_CASE(MountBisCalibrationFile);
ADD_ENUM_CASE(MountBisSafeMode);
ADD_ENUM_CASE(MountBisUser);
ADD_ENUM_CASE(MountBisSystem);
ADD_ENUM_CASE(MountBisSystemProperEncryption);
ADD_ENUM_CASE(MountBisSystemProperPartition);
ADD_ENUM_CASE(MountSdCard);
ADD_ENUM_CASE(MountGameCard);
ADD_ENUM_CASE(MountDeviceSaveData);
ADD_ENUM_CASE(MountSystemSaveData);
ADD_ENUM_CASE(MountOthersSaveData);
ADD_ENUM_CASE(MountOthersSystemSaveData);
ADD_ENUM_CASE(OpenBisPartitionBootPartition1Root);
ADD_ENUM_CASE(OpenBisPartitionBootPartition2Root);
ADD_ENUM_CASE(OpenBisPartitionUserDataRoot);
ADD_ENUM_CASE(OpenBisPartitionBootConfigAndPackage2Part1);
ADD_ENUM_CASE(OpenBisPartitionBootConfigAndPackage2Part2);
ADD_ENUM_CASE(OpenBisPartitionBootConfigAndPackage2Part3);
ADD_ENUM_CASE(OpenBisPartitionBootConfigAndPackage2Part4);
ADD_ENUM_CASE(OpenBisPartitionBootConfigAndPackage2Part5);
ADD_ENUM_CASE(OpenBisPartitionBootConfigAndPackage2Part6);
ADD_ENUM_CASE(OpenBisPartitionCalibrationBinary);
ADD_ENUM_CASE(OpenBisPartitionCalibrationFile);
ADD_ENUM_CASE(OpenBisPartitionSafeMode);
ADD_ENUM_CASE(OpenBisPartitionUser);
ADD_ENUM_CASE(OpenBisPartitionSystem);
ADD_ENUM_CASE(OpenBisPartitionSystemProperEncryption);
ADD_ENUM_CASE(OpenBisPartitionSystemProperPartition);
ADD_ENUM_CASE(OpenSdCardStorage);
ADD_ENUM_CASE(OpenGameCardStorage);
ADD_ENUM_CASE(MountSystemDataPrivate);
ADD_ENUM_CASE(MountHost);
ADD_ENUM_CASE(MountRegisteredUpdatePartition);
ADD_ENUM_CASE(MountSaveDataInternalStorage);
ADD_ENUM_CASE(MountTemporaryDirectory);
ADD_ENUM_CASE(MountAllBaseFileSystem);
ADD_ENUM_CASE(NotMount);
default: return ToValueString(static_cast<int>(id));
}
}
template<> const char *IdString::ToString<fssrv::impl::AccessControl::OperationType>(fssrv::impl::AccessControl::OperationType id) {
switch (id) {
using enum fssrv::impl::AccessControl::OperationType;
ADD_ENUM_CASE(InvalidateBisCache);
ADD_ENUM_CASE(EraseMmc);
ADD_ENUM_CASE(GetGameCardDeviceCertificate);
ADD_ENUM_CASE(GetGameCardIdSet);
ADD_ENUM_CASE(FinalizeGameCardDriver);
ADD_ENUM_CASE(GetGameCardAsicInfo);
ADD_ENUM_CASE(CreateSaveData);
ADD_ENUM_CASE(DeleteSaveData);
ADD_ENUM_CASE(CreateSystemSaveData);
ADD_ENUM_CASE(CreateOthersSystemSaveData);
ADD_ENUM_CASE(DeleteSystemSaveData);
ADD_ENUM_CASE(OpenSaveDataInfoReader);
ADD_ENUM_CASE(OpenSaveDataInfoReaderForSystem);
ADD_ENUM_CASE(OpenSaveDataInfoReaderForInternal);
ADD_ENUM_CASE(OpenSaveDataMetaFile);
ADD_ENUM_CASE(SetCurrentPosixTime);
ADD_ENUM_CASE(ReadSaveDataFileSystemExtraData);
ADD_ENUM_CASE(SetGlobalAccessLogMode);
ADD_ENUM_CASE(SetSpeedEmulationMode);
ADD_ENUM_CASE(Debug);
ADD_ENUM_CASE(FillBis);
ADD_ENUM_CASE(CorruptSaveData);
ADD_ENUM_CASE(CorruptSystemSaveData);
ADD_ENUM_CASE(VerifySaveData);
ADD_ENUM_CASE(DebugSaveData);
ADD_ENUM_CASE(FormatSdCard);
ADD_ENUM_CASE(GetRightsId);
ADD_ENUM_CASE(RegisterExternalKey);
ADD_ENUM_CASE(SetEncryptionSeed);
ADD_ENUM_CASE(WriteSaveDataFileSystemExtraDataTimeStamp);
ADD_ENUM_CASE(WriteSaveDataFileSystemExtraDataFlags);
ADD_ENUM_CASE(WriteSaveDataFileSystemExtraDataCommitId);
ADD_ENUM_CASE(WriteSaveDataFileSystemExtraDataAll);
ADD_ENUM_CASE(ExtendSaveData);
ADD_ENUM_CASE(ExtendSystemSaveData);
ADD_ENUM_CASE(ExtendOthersSystemSaveData);
ADD_ENUM_CASE(RegisterUpdatePartition);
ADD_ENUM_CASE(OpenSaveDataTransferManager);
ADD_ENUM_CASE(OpenSaveDataTransferManagerVersion2);
ADD_ENUM_CASE(OpenSaveDataTransferManagerForSaveDataRepair);
ADD_ENUM_CASE(OpenSaveDataTransferManagerForSaveDataRepairTool);
ADD_ENUM_CASE(OpenSaveDataTransferProhibiter);
ADD_ENUM_CASE(OpenSaveDataMover);
ADD_ENUM_CASE(OpenBisWiper);
ADD_ENUM_CASE(ListAccessibleSaveDataOwnerId);
ADD_ENUM_CASE(ControlMmcPatrol);
ADD_ENUM_CASE(OverrideSaveDataTransferTokenSignVerificationKey);
ADD_ENUM_CASE(OpenSdCardDetectionEventNotifier);
ADD_ENUM_CASE(OpenGameCardDetectionEventNotifier);
ADD_ENUM_CASE(OpenSystemDataUpdateEventNotifier);
ADD_ENUM_CASE(NotifySystemDataUpdateEvent);
ADD_ENUM_CASE(OpenAccessFailureDetectionEventNotifier);
ADD_ENUM_CASE(GetAccessFailureDetectionEvent);
ADD_ENUM_CASE(IsAccessFailureDetected);
ADD_ENUM_CASE(ResolveAccessFailure);
ADD_ENUM_CASE(AbandonAccessFailure);
ADD_ENUM_CASE(QuerySaveDataInternalStorageTotalSize);
ADD_ENUM_CASE(GetSaveDataCommitId);
ADD_ENUM_CASE(SetSdCardAccessibility);
ADD_ENUM_CASE(SimulateDevice);
ADD_ENUM_CASE(CreateSaveDataWithHashSalt);
ADD_ENUM_CASE(RegisterProgramIndexMapInfo);
ADD_ENUM_CASE(ChallengeCardExistence);
ADD_ENUM_CASE(CreateOwnSaveData);
ADD_ENUM_CASE(DeleteOwnSaveData);
ADD_ENUM_CASE(ReadOwnSaveDataFileSystemExtraData);
ADD_ENUM_CASE(ExtendOwnSaveData);
ADD_ENUM_CASE(OpenOwnSaveDataTransferProhibiter);
ADD_ENUM_CASE(FindOwnSaveDataWithFilter);
ADD_ENUM_CASE(OpenSaveDataTransferManagerForRepair);
ADD_ENUM_CASE(SetDebugConfiguration);
ADD_ENUM_CASE(OpenDataStorageByPath);
default: return ToValueString(static_cast<int>(id));
}
}
namespace {
class AccessLogPrinterCallbackManager {
private:
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AccessLogPrinterCallback m_callback;
public:
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constexpr AccessLogPrinterCallbackManager() : m_callback(nullptr) { /* ... */ }
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constexpr bool IsRegisteredCallback() const { return m_callback != nullptr; }
constexpr void RegisterCallback(AccessLogPrinterCallback c) {
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AMS_ASSERT(m_callback == nullptr);
m_callback = c;
}
constexpr int InvokeCallback(char *buf, size_t size) const {
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AMS_ASSERT(m_callback != nullptr);
return m_callback(buf, size);
}
};
constinit AccessLogPrinterCallbackManager g_access_log_manager_printer_callback_manager;
ALWAYS_INLINE AccessLogPrinterCallbackManager &GetStartAccessLogPrinterCallbackManager() {
return g_access_log_manager_printer_callback_manager;
}
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const char *GetPriorityRawName(fs::impl::IdString &id_string) {
return id_string.ToString(fs::GetPriorityRawOnCurrentThreadInternal());
}
Result OutputAccessLogToSdCardImpl(const char *log, size_t size) {
const auto fsp = impl::GetFileSystemProxyServiceObject();
AMS_FS_R_TRY(fsp->OutputAccessLogToSdCard(sf::InBuffer(log, size)));
R_SUCCEED();
}
void OutputAccessLogToSdCard(const char *format, std::va_list vl) {
if ((g_global_access_log_mode & AccessLogMode_SdCard) != 0) {
/* Create a buffer to hold the log's input string. */
int log_buffer_size = 1_KB;
auto log_buffer = fs::impl::MakeUnique<char[]>(log_buffer_size);
while (true) {
if (log_buffer == nullptr) {
return;
}
const auto size = util::VSNPrintf(log_buffer.get(), log_buffer_size, format, vl);
if (size < log_buffer_size) {
break;
}
log_buffer_size = size + 1;
log_buffer = fs::impl::MakeUnique<char[]>(log_buffer_size);
}
/* Output. */
OutputAccessLogToSdCardImpl(log_buffer.get(), log_buffer_size - 1);
}
}
void OutputAccessLogImpl(const char *log, size_t size) {
if ((g_global_access_log_mode & AccessLogMode_Log) != 0) {
/* TODO: Support logging. */
} else if ((g_global_access_log_mode & AccessLogMode_SdCard) != 0) {
OutputAccessLogToSdCardImpl(log, size - 1);
}
}
void OutputAccessLog(Result result, const char *priority, os::Tick start, os::Tick end, const char *name, const void *handle, const char *format, std::va_list vl) {
/* Create a buffer to hold the log's input string. */
int str_buffer_size = 1_KB;
auto str_buffer = fs::impl::MakeUnique<char[]>(str_buffer_size);
while (true) {
if (str_buffer == nullptr) {
return;
}
const auto size = util::VSNPrintf(str_buffer.get(), str_buffer_size, format, vl);
if (size < str_buffer_size) {
break;
}
str_buffer_size = size + 1;
str_buffer = fs::impl::MakeUnique<char[]>(str_buffer_size);
}
/* Create a buffer to hold the log. */
int log_buffer_size = 0;
decltype(str_buffer) log_buffer;
{
/* Declare format string. */
constexpr const char FormatString[] = "FS_ACCESS { "
"start: %9" PRId64 ", "
"end: %9" PRId64 ", "
"result: 0x%08" PRIX32 ", "
"handle: 0x%p, "
"priority: %s, "
"function: \"%s\""
"%s"
" }\n";
/* Convert the timing to ms. */
const s64 start_ms = start.ToTimeSpan().GetMilliSeconds();
const s64 end_ms = end.ToTimeSpan().GetMilliSeconds();
/* Print the log. */
int try_size = std::max<int>(str_buffer_size + sizeof(FormatString) + 0x100, 1_KB);
while (true) {
log_buffer = fs::impl::MakeUnique<char[]>(try_size);
if (log_buffer == nullptr) {
return;
}
log_buffer_size = 1 + util::SNPrintf(log_buffer.get(), try_size, FormatString, start_ms, end_ms, result.GetValue(), handle, priority, name, str_buffer.get());
if (log_buffer_size <= try_size) {
break;
}
try_size = log_buffer_size;
}
}
OutputAccessLogImpl(log_buffer.get(), log_buffer_size);
}
void GetProgramIndexForAccessLog(u32 *out_index, u32 *out_count) {
if (hos::GetVersion() >= hos::Version_7_0_0) {
/* Use libnx bindings if available. */
const auto fsp = impl::GetFileSystemProxyServiceObject();
R_ABORT_UNLESS(fsp->GetProgramIndexForAccessLog(out_index, out_count));
} else {
/* Use hardcoded defaults. */
*out_index = 0;
*out_count = 0;
}
}
void OutputAccessLogStart() {
/* Get the program index. */
u32 program_index = 0, program_count = 0;
GetProgramIndexForAccessLog(std::addressof(program_index), std::addressof(program_count));
/* Print the log buffer. */
if (program_count < 2) {
constexpr const char StartLog[] = "FS_ACCESS: { "
AMS_FS_IMPL_ACCESS_LOG_AMS_API_VERSION ", "
AMS_FS_IMPL_ACCESS_LOG_SPEC
" }\n";
OutputAccessLogImpl(StartLog, sizeof(StartLog));
} else {
constexpr const char StartLog[] = "FS_ACCESS: { "
AMS_FS_IMPL_ACCESS_LOG_AMS_API_VERSION ", "
AMS_FS_IMPL_ACCESS_LOG_SPEC ", "
"program_index: %d"
" }\n";
char log_buffer[0x80];
const int len = 1 + util::SNPrintf(log_buffer, sizeof(log_buffer), StartLog, static_cast<int>(program_index));
if (static_cast<size_t>(len) <= sizeof(log_buffer)) {
OutputAccessLogImpl(log_buffer, len);
}
}
}
[[maybe_unused]] void OutputAccessLogStartForSystem() {
constexpr const char StartLog[] = "FS_ACCESS: { "
AMS_FS_IMPL_ACCESS_LOG_AMS_API_VERSION ", "
AMS_FS_IMPL_ACCESS_LOG_SPEC ", "
"for_system: true"
" }\n";
OutputAccessLogImpl(StartLog, sizeof(StartLog));
}
void OutputAccessLogStartGeneratedByCallback() {
/* Get the manager. */
const auto &manager = GetStartAccessLogPrinterCallbackManager();
if (manager.IsRegisteredCallback()) {
/* Invoke the callback. */
char log_buffer[0x80];
const int len = 1 + manager.InvokeCallback(log_buffer, sizeof(log_buffer));
/* Print, if we fit. */
if (static_cast<size_t>(len) <= sizeof(log_buffer)) {
OutputAccessLogImpl(log_buffer, len);
}
}
}
}
bool IsEnabledAccessLog(u32 target) {
/* If we don't need to log to the target, return false. */
if ((g_local_access_log_target & target) == 0) {
return false;
}
/* Ensure we've initialized. */
if (!g_access_log_initialized) {
std::scoped_lock lk(g_access_log_initialization_mutex);
if (!g_access_log_initialized) {
#if defined (AMS_BUILD_FOR_DEBUGGING)
if ((g_local_access_log_target & fs::impl::AccessLogTarget_System) != 0)
{
g_global_access_log_mode = AccessLogMode_Log;
OutputAccessLogStartForSystem();
OutputAccessLogStartGeneratedByCallback();
}
else
#endif
{
AMS_FS_R_ABORT_UNLESS(GetGlobalAccessLogMode(std::addressof(g_global_access_log_mode)));
if (g_global_access_log_mode != AccessLogMode_None) {
OutputAccessLogStart();
OutputAccessLogStartGeneratedByCallback();
}
}
g_access_log_initialized = true;
}
}
return g_global_access_log_mode != AccessLogMode_None;
}
bool IsEnabledAccessLog() {
return IsEnabledAccessLog(fs::impl::AccessLogTarget_Application | fs::impl::AccessLogTarget_System);
}
void RegisterStartAccessLogPrinterCallback(AccessLogPrinterCallback callback) {
GetStartAccessLogPrinterCallbackManager().RegisterCallback(callback);
}
void OutputAccessLog(Result result, fs::Priority priority, os::Tick start, os::Tick end, const char *name, const void *handle, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
OutputAccessLog(result, fs::impl::IdString().ToString(priority), start, end, name, handle, fmt, vl);
va_end(vl);
}
void OutputAccessLog(Result result, fs::PriorityRaw priority_raw, os::Tick start, os::Tick end, const char *name, const void *handle, const char *fmt, ...){
std::va_list vl;
va_start(vl, fmt);
OutputAccessLog(result, fs::impl::IdString().ToString(priority_raw), start, end, name, handle, fmt, vl);
va_end(vl);
}
void OutputAccessLog(Result result, os::Tick start, os::Tick end, const char *name, fs::FileHandle handle, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle.handle, fmt, vl);
va_end(vl);
}
void OutputAccessLog(Result result, os::Tick start, os::Tick end, const char *name, fs::DirectoryHandle handle, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle.handle, fmt, vl);
va_end(vl);
}
void OutputAccessLog(Result result, os::Tick start, os::Tick end, const char *name, fs::impl::IdentifyAccessLogHandle handle, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle.handle, fmt, vl);
va_end(vl);
}
void OutputAccessLog(Result result, os::Tick start, os::Tick end, const char *name, const void *handle, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle, fmt, vl);
va_end(vl);
}
void OutputAccessLogToOnlySdCard(const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
OutputAccessLogToSdCard(fmt, vl);
va_end(vl);
}
void OutputAccessLogUnlessResultSuccess(Result result, os::Tick start, os::Tick end, const char *name, fs::FileHandle handle, const char *fmt, ...) {
if (R_FAILED(result)) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle.handle, fmt, vl);
va_end(vl);
}
}
void OutputAccessLogUnlessResultSuccess(Result result, os::Tick start, os::Tick end, const char *name, fs::DirectoryHandle handle, const char *fmt, ...) {
if (R_FAILED(result)) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle.handle, fmt, vl);
va_end(vl);
}
}
void OutputAccessLogUnlessResultSuccess(Result result, os::Tick start, os::Tick end, const char *name, const void *handle, const char *fmt, ...) {
if (R_FAILED(result)) {
std::va_list vl;
va_start(vl, fmt);
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fs::impl::IdString id_string;
OutputAccessLog(result, GetPriorityRawName(id_string), start, end, name, handle, fmt, vl);
va_end(vl);
}
}
bool IsEnabledHandleAccessLog(fs::FileHandle handle) {
/* Get the file accessor. */
impl::FileAccessor *accessor = reinterpret_cast<impl::FileAccessor *>(handle.handle);
if (accessor == nullptr) {
return true;
}
/* Check the parent. */
if (auto *parent = accessor->GetParent(); parent != nullptr) {
return parent->IsEnabledAccessLog();
} else {
return false;
}
}
bool IsEnabledHandleAccessLog(fs::DirectoryHandle handle) {
/* Get the file accessor. */
impl::DirectoryAccessor *accessor = reinterpret_cast<impl::DirectoryAccessor *>(handle.handle);
if (accessor == nullptr) {
return true;
}
/* Check the parent. */
if (auto *parent = accessor->GetParent(); parent != nullptr) {
return parent->IsEnabledAccessLog();
} else {
return false;
}
}
bool IsEnabledHandleAccessLog(fs::impl::IdentifyAccessLogHandle handle) {
AMS_UNUSED(handle);
return true;
}
bool IsEnabledHandleAccessLog(const void *handle) {
if (handle == nullptr) {
return true;
}
/* We should never receive non-null here. */
AMS_ASSERT(handle == nullptr);
return false;
}
bool IsEnabledFileSystemAccessorAccessLog(const char *mount_name) {
/* Get the accessor. */
impl::FileSystemAccessor *accessor = nullptr;
if (R_FAILED(impl::Find(std::addressof(accessor), mount_name))) {
return true;
}
return accessor->IsEnabledAccessLog();
}
void EnableFileSystemAccessorAccessLog(const char *mount_name) {
/* Get the accessor. */
impl::FileSystemAccessor *accessor = nullptr;
AMS_FS_R_ABORT_UNLESS(impl::Find(std::addressof(accessor), mount_name));
accessor->SetAccessLogEnabled(true);
}
}