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https://github.com/Atmosphere-NX/Atmosphere.git
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a50d6a2696
* ncm: Implement InstallTaskDataBase and FileInstallTaskData * ncm: minor bugfixes * ncm: Implemented MemoryInstallTaskData * ncm: more std * ncm: begin implementing install task base * ncm: move protected funcs * ncm: fix recursive include * ncm: more install task progress * ncm install task: implement IncrementProgress and update UpdateThroughputMeasurement * ncm: more work * ncm client: more progress * ncm client: more progress * ncm client: finish implementing GetContentMetaInfoList * ncm client: more progress * ncm client: finished InstallTaskBase * ncm client: implement PackageInstallTaskBase * ncm client: fixes * ncm: improve accuracy * ncm client: implement PackageInstallTask * ncm client: implement PackageSystemUpdateTask * ncm client: minor name tweaks * ncm client: implement SubmissionPackageInstallTask * ncm client: add missing this to SubmissionPackageInstallTask * ncm client: add missing nullptr check to SubmissionPackageInstallTask destructor * ncm client: SubmissionPackageInstallTask fixes * ncm: fix forward declarations * ncm client: added simplified funcs * ncm: cleanup client code * ncm: fix bug introduced by cleanup * ncm: fix typo * ncm: implement correct ReadVariationContentMetaInfoList behavior * ncm: correct InstallContentMetaWriter ctor * ncm: correct conversion of content meta header types Co-authored-by: Michael Scire <SciresM@gmail.com>
89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/*
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* Copyright (c) 2019-2020 Adubbz, Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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namespace ams::ncm {
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namespace {
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constexpr inline s64 EncryptionMetadataSize = 16_KB;
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constexpr inline s64 ConcatenationFileSizeMax = 4_GB;
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constexpr s64 CalculateAdditionalContentSize(s64 file_size, s64 cluster_size) {
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/* Account for the encryption header. */
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s64 size = EncryptionMetadataSize;
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/* Account for the file size splitting costs. */
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size += ((file_size / ConcatenationFileSizeMax) + 1) * cluster_size;
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/* Account for various overhead costs. */
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size += cluster_size * 3;
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return size;
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}
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template<typename Handler>
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Result ForEachContentInfo(const ContentMetaKey &key, ncm::ContentMetaDatabase *db, Handler handler) {
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constexpr s32 MaxPerIteration = 0x10;
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ContentInfo info_list[MaxPerIteration];
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s32 offset = 0;
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while (true) {
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/* List the content infos. */
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s32 count;
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R_TRY(db->ListContentInfo(std::addressof(count), info_list, MaxPerIteration, key, offset));
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/* Handle all that we listed. */
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for (s32 i = 0; i < count; i++) {
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bool done = false;
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R_TRY(handler(std::addressof(done), info_list[i]));
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if (done) {
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break;
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}
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}
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/* Check if we're done. */
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if (count != MaxPerIteration) {
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break;
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}
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offset += count;
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}
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return ResultSuccess();
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}
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}
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s64 CalculateRequiredSize(s64 file_size, s64 cluster_size) {
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return file_size + CalculateAdditionalContentSize(file_size, cluster_size);
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}
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s64 CalculateRequiredSizeForExtension(s64 file_size, s64 cluster_size) {
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return file_size + ((file_size / ConcatenationFileSizeMax) + 1) * cluster_size;
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}
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Result EstimateRequiredSize(s64 *out_size, const ContentMetaKey &key, ncm::ContentMetaDatabase *db) {
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s64 size = 0;
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R_TRY(ForEachContentInfo(key, db, [&size](bool *out_done, const ContentInfo &info) -> Result {
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size += CalculateRequiredSize(info.GetSize(), MaxClusterSize);
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*out_done = false;
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return ResultSuccess();
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}));
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*out_size = size;
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return ResultSuccess();
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}
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}
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