Atmosphere/libraries/libstratosphere/source/ncm/ncm_registered_host_content.cpp
2021-09-19 11:00:57 -07:00

90 lines
3 KiB
C++

/*
* 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>
namespace ams::ncm {
class RegisteredHostContent::RegisteredPath : public util::IntrusiveListBaseNode<RegisteredPath> {
NON_COPYABLE(RegisteredPath);
NON_MOVEABLE(RegisteredPath);
private:
ContentId content_id;
Path path;
public:
RegisteredPath(const ncm::ContentId &content_id, const Path &p) : content_id(content_id), path(p) {
/* ... */
}
ncm::ContentId GetContentId() const {
return this->content_id;
}
void GetPath(Path *out) const {
*out = this->path;
}
void SetPath(const Path &path) {
this->path = path;
}
};
RegisteredHostContent::~RegisteredHostContent() {
/* ... */
}
Result RegisteredHostContent::RegisterPath(const ncm::ContentId &content_id, const ncm::Path &path) {
std::scoped_lock lk(this->mutex);
/* Replace the path of any existing entries. */
for (auto &registered_path : this->path_list) {
if (registered_path.GetContentId() == content_id) {
registered_path.SetPath(path);
return ResultSuccess();
}
}
/* Allocate a new registered path. TODO: Verify allocator. */
RegisteredPath *registered_path = new RegisteredPath(content_id, path);
R_UNLESS(registered_path != nullptr, ncm::ResultBufferInsufficient());
/* Insert the path into the list. */
this->path_list.push_back(*registered_path);
return ResultSuccess();
}
Result RegisteredHostContent::GetPath(Path *out, const ncm::ContentId &content_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the path of the content. */
for (const auto &registered_path : this->path_list) {
if (registered_path.GetContentId() == content_id) {
registered_path.GetPath(out);
return ResultSuccess();
}
}
return ncm::ResultContentNotFound();
}
void RegisteredHostContent::ClearPaths() {
/* Remove all paths. */
for (auto it = this->path_list.begin(); it != this->path_list.end(); /* ... */) {
auto *obj = std::addressof(*it);
it = this->path_list.erase(it);
delete obj;
}
}
}