mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
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/*
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* Copyright (c) 2018-2020 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::fssystem {
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namespace {
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constexpr inline size_t MaxExternalCodeFileSystem = 0x10;
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util::BoundedMap<ncm::ProgramId, fs::RemoteFileSystem, MaxExternalCodeFileSystem> g_ecs_map;
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util::BoundedMap<ncm::ProgramId, os::ManagedHandle, MaxExternalCodeFileSystem> g_hnd_map;
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}
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fs::fsa::IFileSystem *GetExternalCodeFileSystem(ncm::ProgramId program_id) {
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/* Return a fs from the map if one exists. */
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if (auto *fs = g_ecs_map.Find(program_id); fs != nullptr) {
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return fs;
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}
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/* Otherwise, we may have a handle. */
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if (auto *hnd = g_hnd_map.Find(program_id); hnd != nullptr) {
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/* Create a service using libnx bindings. */
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Service srv;
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serviceCreate(std::addressof(srv), hnd->Move());
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g_hnd_map.Remove(program_id);
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/* Create a remote filesystem. */
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const FsFileSystem fs = { srv };
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g_ecs_map.Emplace(program_id, fs);
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/* Return the created filesystem. */
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return g_ecs_map.Find(program_id);
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}
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/* Otherwise, we have no filesystem. */
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return nullptr;
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}
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Result CreateExternalCode(Handle *out, ncm::ProgramId program_id) {
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/* Create a handle pair. */
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Handle server, client;
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R_TRY(svcCreateSession(std::addressof(server), std::addressof(client), false, 0));
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/* Insert the handle into the map. */
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g_hnd_map.Emplace(program_id, client);
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*out = server;
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return ResultSuccess();
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}
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void DestroyExternalCode(ncm::ProgramId program_id) {
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g_ecs_map.Remove(program_id);
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g_hnd_map.Remove(program_id);
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}
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}
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