Atmosphere/libraries/libstratosphere/source/ncm/ncm_content_meta_database_impl.cpp

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Implement the NCM sysmodule (closes #91) * Implement NCM * Modernize ncm_main * Remove unnecessary smExit * Give access to svcCallSecureMonitor * Stack size bump * Fix incorrect setup for NandUser's content storage entry * Fix a potential data abort when flushing the placeholder accessor cache * Fix HasFile and HasDirectory * Use r+b, not w+b * Misc fixes * errno begone * Fixed more stdio error handling * More main fixes * Various command improvements * Make dispatch tables great again * Fix logic inversion * Fixed content path generation * Bump heap size, fix CleanupAllPlaceHolder * Various fixes. Note: This contains debug stuff which will be removed later. I was getting tired of having to cherrypick tiny changes * Fixed placeholder/content deletion * Fixed incorrect content manager destruction * Prevent automatic placeholder creation on open * Fixed List implementation. Also lots of debug logging. * Removed debug code * Added a scope guard for WritePlaceHolder * Manually prevent placeholder/content appending * Revert "Removed debug code" This reverts commit d6ff261fcc8c1f26968e894b02c17a01a12ec98b. * Always cache placeholder file. Switch to ftell for preventing appending * Universally use EnsureEnabled * Abstract away file writing logic * Misc cleanup * Refactor placeholder cacheing * Remove debug code (again) * Revert "Remove debug code (again)" This reverts commit 168447d80e9640768fb1b43f04a385507c1bb5ab. * Misc changes * Fixed file modes * Fixed ContentId/PlaceHolderId alignment * Improved type safety * Fixed reinitialization * Fixed doubleup on path creation * Remove debug code * Fixed 1.0.0 booting * Correct amount of add on content * Correct main thread stack size * lr: Introducing registered data * Reorder stratosphere Makefile * Move results to libstrat * lr: Cleanup lr_redirection * lr: lr_manager tweaks * lr: Imrpoved path handling and adjust ResolveAddOnContentPath order * lr: Organise types * Add eof newlines * lr: Eliminate unnecessary vars * lr: Unnecessary vars 2 electric boogaloo * lr: Various helpers * lr: RegisteredLocationResolver helpers * ncm: Move ncm_types to libstrat * ncm: Misc cleanup * Implement NCM * Modernize ncm_main * Remove unnecessary smExit * Give access to svcCallSecureMonitor * Stack size bump * Fix incorrect setup for NandUser's content storage entry * Fix a potential data abort when flushing the placeholder accessor cache * Fix HasFile and HasDirectory * Use r+b, not w+b * Misc fixes * errno begone * Fixed more stdio error handling * More main fixes * Various command improvements * Make dispatch tables great again * Fix logic inversion * Fixed content path generation * Bump heap size, fix CleanupAllPlaceHolder * Various fixes. Note: This contains debug stuff which will be removed later. I was getting tired of having to cherrypick tiny changes * Fixed placeholder/content deletion * Fixed incorrect content manager destruction * Prevent automatic placeholder creation on open * Fixed List implementation. Also lots of debug logging. * Removed debug code * Added a scope guard for WritePlaceHolder * Manually prevent placeholder/content appending * Revert "Removed debug code" This reverts commit d6ff261fcc8c1f26968e894b02c17a01a12ec98b. * Always cache placeholder file. Switch to ftell for preventing appending * Universally use EnsureEnabled * Abstract away file writing logic * Misc cleanup * Refactor placeholder cacheing * Remove debug code (again) * Revert "Remove debug code (again)" This reverts commit 168447d80e9640768fb1b43f04a385507c1bb5ab. * Misc changes * Fixed file modes * Fixed ContentId/PlaceHolderId alignment * Improved type safety * Fixed reinitialization * Fixed doubleup on path creation * Remove debug code * Fixed 1.0.0 booting * Correct amount of add on content * Correct main thread stack size * lr: Introducing registered data * Reorder stratosphere Makefile * Move results to libstrat * lr: Cleanup lr_redirection * lr: lr_manager tweaks * lr: Imrpoved path handling and adjust ResolveAddOnContentPath order * lr: Organise types * Add eof newlines * lr: Eliminate unnecessary vars * lr: Unnecessary vars 2 electric boogaloo * lr: Various helpers * lr: RegisteredLocationResolver helpers * ncm: Move ncm_types to libstrat * ncm: Misc cleanup * Updated AddOnContentLocationResolver and RegisteredLocationResolver to 9.0.0 * Finished updating lr to 9.0.0 * Updated NCM to 9.0.0 * Fix libstrat includes * Fixed application launching * title_id_2 -> owner_tid * Updated to new-ipc * Change to using pure virtuals * Title Id -> Program Id * Fixed compilation against master * std::scoped_lock<> -> std::scoped_lock * Adopted R_UNLESS and R_CONVERT * Prefix namespace to Results * Adopt std::numeric_limits * Fixed incorrect error handling in ReadFile * Adopted AMS_ABORT_UNLESS * Adopt util::GenerateUuid() * Syntax improvements * ncm_types: Address review * Address more review comments * Updated copyrights * Address more feedback * More feedback addressed * More changes * Move dispatch tables out of interface files * Addressed remaining comments * lr: move into libstratosphere * ncm: Fix logic inversion * lr: Add comments * lr: Remove whitespace * ncm: Start addressing feedback * ncm: Cleanup InitializeContentManager * lr: support client-side usage * lr_service -> lr_api * ncm: Begin refactoring content manager * ncm: More content manager improvements * ncm: Content manager mount improvements * ldr: use lr bindings * lr bindings usage: minor fixes * ncm/lr: Pointer placement * ncm: placeholder accessor cleanup * ncm: minor fixes * ncm: refactor rights cache * ncm: content meta database cleanup * ncm: move content meta database impl out of interface file * ncm: Use const ContentMetaKey & * ncm: fix other non-const ContentMetaKey references * ncm: content meta database cleanup * ncm: content storage fixes for 2.0.0 * ncm: add missing end of file newlines * ncm: implement ContentMetaReader * ncm: client-side api * ncm: trim trailing spaces * ncm: FS_MAX_PATH-1 -> fs::EntryNameLengthMax * ncm: Use PathString and Path * fs: implement accessor wrappers for ncm * fs: implement user fs wrappers * fs: add MountSdCard * ncm: move to content manager impl * ncm: fix up main * kvdb: use fs:: * fs: Add wrappers needed for ncm * ncm: use fs bindings, other refactoring * ncm: minor fixes * fsa: fix ReadFile without size output * fs: add substorage, rom path tool * ncm: fix dangling fsdev usage * fs: fix bug in Commit * fs: fixed incorrect mode check * fs: implement Mount(System)Data * ncm: don't delete hos * results: add R_SUCCEED_IF * ams-except-ncm: use R_SUCCEED_IF * ncm: added comments * ncm: fix api definitions * ncm: use R_SUCCEED_IF * pm: think of the savings * ncm: employ kernel strats * ncm: Nintendo has 5 MiB of heap. Give ourselves 4 to be safe, pending analysis * ncm: refactor IDs, split types header into many headers * ams.mitm: use fs bindings instead of stdio * fs: SystemData uses SystemDataId * ncm: improve meta-db accuracy * ncm: inline getlatestkey * fs: improve UnsupportedOperation results * fs: modernize mount utils * ams: misc fixes for merge-errors * fs: improve unsupportedoperation results * git subrepo pull emummc subrepo: subdir: "emummc" merged: "d12dd546" upstream: origin: "https://github.com/m4xw/emuMMC" branch: "develop" commit: "d12dd546" git-subrepo: version: "0.4.1" origin: "???" commit: "???" * util: add boundedmap * ncm: minor style fixes * ncm: don't unmount if mounting fails * lr: bug fixes * ncm: implement ncm.for-initialize + ncm.for-safemode * lr: ncm::ProgramId::Invalid -> ncm::InvalidProgramId * ncm: fix open directory mode on 1.0.0 * ncm: fix fs use, implement more of < 4.0.0 for-initialize/safemode * ncm: implement packagedcontent -> content for building metadb * ncm: fix save data flag management * ncm: address some review suggestions (thanks @leoetlino!) * updater: use fs bindings * fs: implement MountCode * fs: prefer make_unique to operator new * ncm: implement remaining ContentMetaDatabaseBuilder functionality Co-authored-by: Michael Scire <SciresM@gmail.com>
2020-03-08 08:06:23 +00:00
/*
* Copyright (c) 2019-2020 Adubbz, 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 "ncm_content_meta_database_impl.hpp"
namespace ams::ncm {
Result ContentMetaDatabaseImpl::GetContentIdImpl(ContentId *out, const ContentMetaKey &key, ContentType type, std::optional<u8> id_offset) const {
Implement the NCM sysmodule (closes #91) * Implement NCM * Modernize ncm_main * Remove unnecessary smExit * Give access to svcCallSecureMonitor * Stack size bump * Fix incorrect setup for NandUser's content storage entry * Fix a potential data abort when flushing the placeholder accessor cache * Fix HasFile and HasDirectory * Use r+b, not w+b * Misc fixes * errno begone * Fixed more stdio error handling * More main fixes * Various command improvements * Make dispatch tables great again * Fix logic inversion * Fixed content path generation * Bump heap size, fix CleanupAllPlaceHolder * Various fixes. Note: This contains debug stuff which will be removed later. I was getting tired of having to cherrypick tiny changes * Fixed placeholder/content deletion * Fixed incorrect content manager destruction * Prevent automatic placeholder creation on open * Fixed List implementation. Also lots of debug logging. * Removed debug code * Added a scope guard for WritePlaceHolder * Manually prevent placeholder/content appending * Revert "Removed debug code" This reverts commit d6ff261fcc8c1f26968e894b02c17a01a12ec98b. * Always cache placeholder file. Switch to ftell for preventing appending * Universally use EnsureEnabled * Abstract away file writing logic * Misc cleanup * Refactor placeholder cacheing * Remove debug code (again) * Revert "Remove debug code (again)" This reverts commit 168447d80e9640768fb1b43f04a385507c1bb5ab. * Misc changes * Fixed file modes * Fixed ContentId/PlaceHolderId alignment * Improved type safety * Fixed reinitialization * Fixed doubleup on path creation * Remove debug code * Fixed 1.0.0 booting * Correct amount of add on content * Correct main thread stack size * lr: Introducing registered data * Reorder stratosphere Makefile * Move results to libstrat * lr: Cleanup lr_redirection * lr: lr_manager tweaks * lr: Imrpoved path handling and adjust ResolveAddOnContentPath order * lr: Organise types * Add eof newlines * lr: Eliminate unnecessary vars * lr: Unnecessary vars 2 electric boogaloo * lr: Various helpers * lr: RegisteredLocationResolver helpers * ncm: Move ncm_types to libstrat * ncm: Misc cleanup * Implement NCM * Modernize ncm_main * Remove unnecessary smExit * Give access to svcCallSecureMonitor * Stack size bump * Fix incorrect setup for NandUser's content storage entry * Fix a potential data abort when flushing the placeholder accessor cache * Fix HasFile and HasDirectory * Use r+b, not w+b * Misc fixes * errno begone * Fixed more stdio error handling * More main fixes * Various command improvements * Make dispatch tables great again * Fix logic inversion * Fixed content path generation * Bump heap size, fix CleanupAllPlaceHolder * Various fixes. Note: This contains debug stuff which will be removed later. I was getting tired of having to cherrypick tiny changes * Fixed placeholder/content deletion * Fixed incorrect content manager destruction * Prevent automatic placeholder creation on open * Fixed List implementation. Also lots of debug logging. * Removed debug code * Added a scope guard for WritePlaceHolder * Manually prevent placeholder/content appending * Revert "Removed debug code" This reverts commit d6ff261fcc8c1f26968e894b02c17a01a12ec98b. * Always cache placeholder file. Switch to ftell for preventing appending * Universally use EnsureEnabled * Abstract away file writing logic * Misc cleanup * Refactor placeholder cacheing * Remove debug code (again) * Revert "Remove debug code (again)" This reverts commit 168447d80e9640768fb1b43f04a385507c1bb5ab. * Misc changes * Fixed file modes * Fixed ContentId/PlaceHolderId alignment * Improved type safety * Fixed reinitialization * Fixed doubleup on path creation * Remove debug code * Fixed 1.0.0 booting * Correct amount of add on content * Correct main thread stack size * lr: Introducing registered data * Reorder stratosphere Makefile * Move results to libstrat * lr: Cleanup lr_redirection * lr: lr_manager tweaks * lr: Imrpoved path handling and adjust ResolveAddOnContentPath order * lr: Organise types * Add eof newlines * lr: Eliminate unnecessary vars * lr: Unnecessary vars 2 electric boogaloo * lr: Various helpers * lr: RegisteredLocationResolver helpers * ncm: Move ncm_types to libstrat * ncm: Misc cleanup * Updated AddOnContentLocationResolver and RegisteredLocationResolver to 9.0.0 * Finished updating lr to 9.0.0 * Updated NCM to 9.0.0 * Fix libstrat includes * Fixed application launching * title_id_2 -> owner_tid * Updated to new-ipc * Change to using pure virtuals * Title Id -> Program Id * Fixed compilation against master * std::scoped_lock<> -> std::scoped_lock * Adopted R_UNLESS and R_CONVERT * Prefix namespace to Results * Adopt std::numeric_limits * Fixed incorrect error handling in ReadFile * Adopted AMS_ABORT_UNLESS * Adopt util::GenerateUuid() * Syntax improvements * ncm_types: Address review * Address more review comments * Updated copyrights * Address more feedback * More feedback addressed * More changes * Move dispatch tables out of interface files * Addressed remaining comments * lr: move into libstratosphere * ncm: Fix logic inversion * lr: Add comments * lr: Remove whitespace * ncm: Start addressing feedback * ncm: Cleanup InitializeContentManager * lr: support client-side usage * lr_service -> lr_api * ncm: Begin refactoring content manager * ncm: More content manager improvements * ncm: Content manager mount improvements * ldr: use lr bindings * lr bindings usage: minor fixes * ncm/lr: Pointer placement * ncm: placeholder accessor cleanup * ncm: minor fixes * ncm: refactor rights cache * ncm: content meta database cleanup * ncm: move content meta database impl out of interface file * ncm: Use const ContentMetaKey & * ncm: fix other non-const ContentMetaKey references * ncm: content meta database cleanup * ncm: content storage fixes for 2.0.0 * ncm: add missing end of file newlines * ncm: implement ContentMetaReader * ncm: client-side api * ncm: trim trailing spaces * ncm: FS_MAX_PATH-1 -> fs::EntryNameLengthMax * ncm: Use PathString and Path * fs: implement accessor wrappers for ncm * fs: implement user fs wrappers * fs: add MountSdCard * ncm: move to content manager impl * ncm: fix up main * kvdb: use fs:: * fs: Add wrappers needed for ncm * ncm: use fs bindings, other refactoring * ncm: minor fixes * fsa: fix ReadFile without size output * fs: add substorage, rom path tool * ncm: fix dangling fsdev usage * fs: fix bug in Commit * fs: fixed incorrect mode check * fs: implement Mount(System)Data * ncm: don't delete hos * results: add R_SUCCEED_IF * ams-except-ncm: use R_SUCCEED_IF * ncm: added comments * ncm: fix api definitions * ncm: use R_SUCCEED_IF * pm: think of the savings * ncm: employ kernel strats * ncm: Nintendo has 5 MiB of heap. Give ourselves 4 to be safe, pending analysis * ncm: refactor IDs, split types header into many headers * ams.mitm: use fs bindings instead of stdio * fs: SystemData uses SystemDataId * ncm: improve meta-db accuracy * ncm: inline getlatestkey * fs: improve UnsupportedOperation results * fs: modernize mount utils * ams: misc fixes for merge-errors * fs: improve unsupportedoperation results * git subrepo pull emummc subrepo: subdir: "emummc" merged: "d12dd546" upstream: origin: "https://github.com/m4xw/emuMMC" branch: "develop" commit: "d12dd546" git-subrepo: version: "0.4.1" origin: "???" commit: "???" * util: add boundedmap * ncm: minor style fixes * ncm: don't unmount if mounting fails * lr: bug fixes * ncm: implement ncm.for-initialize + ncm.for-safemode * lr: ncm::ProgramId::Invalid -> ncm::InvalidProgramId * ncm: fix open directory mode on 1.0.0 * ncm: fix fs use, implement more of < 4.0.0 for-initialize/safemode * ncm: implement packagedcontent -> content for building metadb * ncm: fix save data flag management * ncm: address some review suggestions (thanks @leoetlino!) * updater: use fs bindings * fs: implement MountCode * fs: prefer make_unique to operator new * ncm: implement remaining ContentMetaDatabaseBuilder functionality Co-authored-by: Michael Scire <SciresM@gmail.com>
2020-03-08 08:06:23 +00:00
R_TRY(this->EnsureEnabled());
/* Find the meta key. */
const auto it = this->kvs->lower_bound(key);
R_UNLESS(it != this->kvs->end(), ncm::ResultContentMetaNotFound());
R_UNLESS(it->GetKey().id == key.id, ncm::ResultContentMetaNotFound());
const auto found_key = it->GetKey();
/* Create a reader for this content meta. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, found_key));
ContentMetaReader reader(meta, meta_size);
/* Find the content info. */
const ContentInfo *content_info = nullptr;
if (id_offset) {
content_info = reader.GetContentInfo(type, *id_offset);
} else {
content_info = reader.GetContentInfo(type);
}
R_UNLESS(content_info != nullptr, ncm::ResultContentNotFound());
/* Save output. */
*out = content_info->content_id;
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::Set(const ContentMetaKey &key, sf::InBuffer value) {
R_TRY(this->EnsureEnabled());
return this->kvs->Set(key, value.GetPointer(), value.GetSize());
}
Result ContentMetaDatabaseImpl::Get(sf::Out<u64> out_size, const ContentMetaKey &key, sf::OutBuffer out_value) {
R_TRY(this->EnsureEnabled());
/* Get the entry from our key-value store. */
size_t size;
R_TRY_CATCH(this->kvs->Get(std::addressof(size), out_value.GetPointer(), out_value.GetSize(), key)) {
R_CONVERT(kvdb::ResultKeyNotFound, ncm::ResultContentMetaNotFound())
} R_END_TRY_CATCH;
out_size.SetValue(size);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::Remove(const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
R_TRY_CATCH(this->kvs->Remove(key)) {
R_CONVERT(kvdb::ResultKeyNotFound, ncm::ResultContentMetaNotFound())
} R_END_TRY_CATCH;
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetContentIdByType(sf::Out<ContentId> out_content_id, const ContentMetaKey &key, ContentType type) {
return this->GetContentIdImpl(out_content_id.GetPointer(), key, type, std::nullopt);
}
Result ContentMetaDatabaseImpl::ListContentInfo(sf::Out<s32> out_count, const sf::OutArray<ContentInfo> &out_info, const ContentMetaKey &key, s32 offset) {
R_UNLESS(offset >= 0, ncm::ResultInvalidOffset());
R_TRY(this->EnsureEnabled());
/* Obtain the content meta for the given key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Read content infos from the given offset up to the given count. */
size_t count;
for (count = 0; count < out_info.GetSize() && count + offset < reader.GetContentCount(); count++) {
out_info[count] = *reader.GetContentInfo(offset + count);
}
out_count.SetValue(count);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::List(sf::Out<s32> out_entries_total, sf::Out<s32> out_entries_written, const sf::OutArray<ContentMetaKey> &out_info, ContentMetaType meta_type, ApplicationId application_id, u64 min, u64 max, ContentInstallType install_type) {
R_TRY(this->EnsureEnabled());
size_t entries_total = 0;
size_t entries_written = 0;
/* Iterate over all entries. */
for (auto &entry : *this->kvs) {
const ContentMetaKey key = entry.GetKey();
/* Check if this entry matches the given filters. */
if (!((meta_type == ContentMetaType::Unknown || key.type == meta_type) && (min <= key.id && key.id <= max) && (install_type == ContentInstallType::Unknown || key.install_type == install_type))) {
continue;
}
/* If application id is present, check if it matches the filter. */
if (application_id != InvalidApplicationId) {
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Ensure application id matches, if present. */
if (const auto entry_application_id = reader.GetApplicationId(key); entry_application_id && application_id != *entry_application_id) {
continue;
}
}
/* Write the entry to the output buffer. */
if (entries_written < out_info.GetSize()) {
out_info[entries_written++] = key;
}
entries_total++;
}
out_entries_total.SetValue(entries_total);
out_entries_written.SetValue(entries_written);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetLatestContentMetaKey(sf::Out<ContentMetaKey> out_key, u64 id) {
R_TRY(this->EnsureEnabled());
std::optional<ContentMetaKey> found_key = std::nullopt;
/* Find the last key with the desired program id. */
for (auto entry = this->kvs->lower_bound(ContentMetaKey::MakeUnknownType(id, 0)); entry != this->kvs->end(); entry++) {
/* No further entries will match the program id, discontinue. */
if (entry->GetKey().id != id) {
break;
}
/* We are only interested in keys with the Full content install type. */
if (entry->GetKey().install_type == ContentInstallType::Full) {
found_key = entry->GetKey();
}
}
/* Check if the key is absent. */
R_UNLESS(found_key, ncm::ResultContentMetaNotFound());
out_key.SetValue(*found_key);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::ListApplication(sf::Out<s32> out_entries_total, sf::Out<s32> out_entries_written, const sf::OutArray<ApplicationContentMetaKey> &out_keys, ContentMetaType type) {
R_TRY(this->EnsureEnabled());
size_t entries_total = 0;
size_t entries_written = 0;
/* Iterate over all entries. */
for (auto &entry : *this->kvs) {
const ContentMetaKey key = entry.GetKey();
/* Check if this entry matches the given filters. */
if (!(type == ContentMetaType::Unknown || key.type == type)) {
continue;
}
/* Check if the entry has an application id. */
ContentMetaReader reader(entry.GetValuePointer(), entry.GetValueSize());
if (const auto entry_application_id = reader.GetApplicationId(key); entry_application_id) {
/* Write the entry to the output buffer. */
if (entries_written < out_keys.GetSize()) {
out_keys[entries_written++] = { key, *entry_application_id };
}
entries_total++;
}
}
out_entries_total.SetValue(entries_total);
out_entries_written.SetValue(entries_written);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::Has(sf::Out<bool> out, const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
*out = false;
/* Check if key is present. */
size_t size;
R_TRY_CATCH(this->kvs->GetValueSize(&size, key)) {
R_CONVERT(kvdb::ResultKeyNotFound, ResultSuccess());
} R_END_TRY_CATCH;
*out = true;
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::HasAll(sf::Out<bool> out, const sf::InArray<ContentMetaKey> &keys) {
R_TRY(this->EnsureEnabled());
*out = false;
/* Check if keys are present. */
for (size_t i = 0; i < keys.GetSize(); i++) {
/* Check if we have the current key. */
bool has;
R_TRY(this->Has(std::addressof(has), keys[i]));
/* If we don't, then we can early return because we don't have all. */
R_SUCCEED_IF(!has);
}
*out = true;
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetSize(sf::Out<u64> out_size, const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
/* Determine the content meta size for the key. */
size_t size;
R_TRY(this->GetContentMetaSize(&size, key));
out_size.SetValue(size);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetRequiredSystemVersion(sf::Out<u32> out_version, const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
/* Only applications and patches have a required system version. */
R_UNLESS(key.type == ContentMetaType::Application || key.type == ContentMetaType::Patch, ncm::ResultInvalidContentMetaKey());
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Obtain the required system version. */
switch (key.type) {
case ContentMetaType::Application:
out_version.SetValue(reader.GetExtendedHeader<ApplicationMetaExtendedHeader>()->required_system_version);
break;
case ContentMetaType::Patch:
out_version.SetValue(reader.GetExtendedHeader<PatchMetaExtendedHeader>()->required_system_version);
break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetPatchId(sf::Out<PatchId> out_patch_id, const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
/* Only applications can have patches. */
R_UNLESS(key.type == ContentMetaType::Application, ncm::ResultInvalidContentMetaKey());
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Obtain the patch id. */
out_patch_id.SetValue(reader.GetExtendedHeader<ApplicationMetaExtendedHeader>()->patch_id);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::DisableForcibly() {
this->disabled = true;
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::LookupOrphanContent(const sf::OutArray<bool> &out_orphaned, const sf::InArray<ContentId> &content_ids) {
R_TRY(this->EnsureEnabled());
R_UNLESS(out_orphaned.GetSize() >= content_ids.GetSize(), ncm::ResultBufferInsufficient());
/* Default to orphaned for all content ids. */
for (size_t i = 0; i < out_orphaned.GetSize(); i++) {
out_orphaned[i] = true;
}
auto IsOrphanedContent = [](const sf::InArray<ContentId> &list, const ncm::ContentId &id) ALWAYS_INLINE_LAMBDA {
/* Check if any input content ids match our found content id. */
for (size_t i = 0; i < list.GetSize(); i++) {
if (list[i] == id) {
return std::make_optional(i);
}
}
/* TODO: C++20 (gcc 10) fixes ALWAYS_INLINE_LAMBDA in conjunction with trailing return types. */
/* This should be changed to std::nullopt once possible. */
return std::optional<size_t>(std::nullopt);
};
/* Iterate over all entries. */
for (auto &entry : *this->kvs) {
ContentMetaReader reader(entry.GetValuePointer(), entry.GetValueSize());
/* Check if any of this entry's content infos matches one of the content ids for lookup. */
/* If they do, then the content id isn't orphaned. */
for (size_t i = 0; i < reader.GetContentCount(); i++) {
if (auto found = IsOrphanedContent(content_ids, reader.GetContentInfo(i)->GetId()); found) {
out_orphaned[*found] = false;
}
}
}
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::Commit() {
R_TRY(this->EnsureEnabled());
/* Save and commit. */
R_TRY(this->kvs->Save());
return fs::CommitSaveData(this->mount_name);
}
Result ContentMetaDatabaseImpl::HasContent(sf::Out<bool> out, const ContentMetaKey &key, const ContentId &content_id) {
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Optimistically suppose that we will find the content. */
out.SetValue(true);
/* Check if any content infos contain a matching id. */
for (size_t i = 0; i < reader.GetContentCount(); i++) {
R_SUCCEED_IF(content_id == reader.GetContentInfo(i)->GetId());
}
/* We didn't find a content info. */
out.SetValue(false);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::ListContentMetaInfo(sf::Out<s32> out_entries_written, const sf::OutArray<ContentMetaInfo> &out_meta_info, const ContentMetaKey &key, s32 offset) {
R_UNLESS(offset >= 0, ncm::ResultInvalidOffset());
R_TRY(this->EnsureEnabled());
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Read content meta infos from the given offset up to the given count. */
size_t count;
for (count = 0; count < out_meta_info.GetSize() && count + offset <= reader.GetContentMetaCount(); count++) {
out_meta_info[count] = *reader.GetContentMetaInfo(count + offset);
}
/* Set the ouput value. */
out_entries_written.SetValue(count);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetAttributes(sf::Out<u8> out_attributes, const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Set the ouput value. */
out_attributes.SetValue(reader.GetHeader()->attributes);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetRequiredApplicationVersion(sf::Out<u32> out_version, const ContentMetaKey &key) {
R_TRY(this->EnsureEnabled());
/* Obtain the content meta for the key. */
const void *meta;
size_t meta_size;
R_TRY(this->GetContentMetaPointer(&meta, &meta_size, key));
/* Create a reader. */
ContentMetaReader reader(meta, meta_size);
/* Get the required version. */
u32 required_version;
switch (key.type) {
case ContentMetaType::AddOnContent:
required_version = reader.GetExtendedHeader<AddOnContentMetaExtendedHeader>()->required_application_version;
break;
case ContentMetaType::Application:
/* As of 9.0.0, applications can be dependent on a specific base application version. */
AMS_ABORT_UNLESS(hos::GetVersion() >= hos::Version_900);
required_version = reader.GetExtendedHeader<ApplicationMetaExtendedHeader>()->required_application_version;
break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
/* Set the ouput value. */
out_version.SetValue(required_version);
return ResultSuccess();
}
Result ContentMetaDatabaseImpl::GetContentIdByTypeAndIdOffset(sf::Out<ContentId> out_content_id, const ContentMetaKey &key, ContentType type, u8 id_offset) {
return this->GetContentIdImpl(out_content_id.GetPointer(), key, type, std::make_optional(id_offset));
}
}