255 lines
7.9 KiB
C++
255 lines
7.9 KiB
C++
/**
|
|
******************************************************************************
|
|
* Xenia : Xbox 360 Emulator Research Project *
|
|
******************************************************************************
|
|
* Copyright 2015 Ben Vanik. All rights reserved. *
|
|
* Released under the BSD license - see LICENSE in the root for more details. *
|
|
******************************************************************************
|
|
*/
|
|
|
|
#include "xenia/kernel/content_manager.h"
|
|
|
|
#include <string>
|
|
|
|
#include "xenia/base/filesystem.h"
|
|
#include "xenia/base/string.h"
|
|
#include "xenia/kernel/kernel_state.h"
|
|
#include "xenia/kernel/xobject.h"
|
|
#include "xenia/vfs/devices/host_path_device.h"
|
|
|
|
namespace xe {
|
|
namespace kernel {
|
|
|
|
static const wchar_t* kThumbnailFileName = L"__thumbnail.png";
|
|
|
|
static int content_device_id_ = 0;
|
|
|
|
ContentPackage::ContentPackage(KernelState* kernel_state, std::string root_name,
|
|
const XCONTENT_DATA& data,
|
|
std::wstring package_path)
|
|
: kernel_state_(kernel_state), root_name_(std::move(root_name)) {
|
|
device_path_ = std::string("\\Device\\Content\\") +
|
|
std::to_string(++content_device_id_) + "\\";
|
|
|
|
auto fs = kernel_state_->file_system();
|
|
auto device =
|
|
std::make_unique<vfs::HostPathDevice>(device_path_, package_path, false);
|
|
device->Initialize();
|
|
fs->RegisterDevice(std::move(device));
|
|
fs->RegisterSymbolicLink(root_name_ + ":", device_path_);
|
|
}
|
|
|
|
ContentPackage::~ContentPackage() {
|
|
kernel_state_->file_system()->UnregisterSymbolicLink(root_name_ + ":");
|
|
// TODO(benvanik): unregister device.
|
|
}
|
|
|
|
ContentManager::ContentManager(KernelState* kernel_state,
|
|
std::wstring root_path)
|
|
: kernel_state_(kernel_state), root_path_(std::move(root_path)) {}
|
|
|
|
ContentManager::~ContentManager() = default;
|
|
|
|
std::wstring ContentManager::ResolvePackageRoot(uint32_t content_type) {
|
|
wchar_t title_id[9] = L"00000000";
|
|
std::swprintf(title_id, 9, L"%.8X", kernel_state_->title_id());
|
|
|
|
std::wstring type_name;
|
|
switch (content_type) {
|
|
case 1:
|
|
// Save games.
|
|
type_name = L"00000001";
|
|
break;
|
|
case 2:
|
|
// DLC from the marketplace.
|
|
type_name = L"00000002";
|
|
break;
|
|
case 3:
|
|
// Publisher content?
|
|
type_name = L"00000003";
|
|
break;
|
|
case 0x000D0000:
|
|
// ???
|
|
type_name = L"000D0000";
|
|
break;
|
|
default:
|
|
assert_unhandled_case(data.content_type);
|
|
return nullptr;
|
|
}
|
|
|
|
// Package root path:
|
|
// content_root/title_id/type_name/
|
|
auto package_root =
|
|
xe::join_paths(root_path_, xe::join_paths(title_id, type_name));
|
|
return package_root + xe::kWPathSeparator;
|
|
}
|
|
|
|
std::wstring ContentManager::ResolvePackagePath(const XCONTENT_DATA& data) {
|
|
// Content path:
|
|
// content_root/title_id/type_name/data_file_name/
|
|
auto package_root = ResolvePackageRoot(data.content_type);
|
|
auto package_path =
|
|
xe::join_paths(package_root, xe::to_wstring(data.file_name));
|
|
package_path += xe::kPathSeparator;
|
|
return package_path;
|
|
}
|
|
|
|
std::vector<XCONTENT_DATA> ContentManager::ListContent(uint32_t device_id,
|
|
uint32_t content_type) {
|
|
std::vector<XCONTENT_DATA> result;
|
|
|
|
// Search path:
|
|
// content_root/title_id/type_name/*
|
|
auto package_root = ResolvePackageRoot(content_type);
|
|
auto file_infos = xe::filesystem::ListFiles(package_root);
|
|
for (const auto& file_info : file_infos) {
|
|
if (file_info.type != xe::filesystem::FileInfo::Type::kDirectory) {
|
|
// Directories only.
|
|
continue;
|
|
}
|
|
XCONTENT_DATA content_data;
|
|
content_data.device_id = device_id;
|
|
content_data.content_type = content_type;
|
|
content_data.display_name = file_info.name;
|
|
content_data.file_name = xe::to_string(file_info.name);
|
|
result.emplace_back(std::move(content_data));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
std::unique_ptr<ContentPackage> ContentManager::ResolvePackage(
|
|
std::string root_name, const XCONTENT_DATA& data) {
|
|
auto package_path = ResolvePackagePath(data);
|
|
if (!xe::filesystem::PathExists(package_path)) {
|
|
return nullptr;
|
|
}
|
|
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
|
|
auto package = std::make_unique<ContentPackage>(kernel_state_, root_name,
|
|
data, package_path);
|
|
return package;
|
|
}
|
|
|
|
bool ContentManager::ContentExists(const XCONTENT_DATA& data) {
|
|
auto path = ResolvePackagePath(data);
|
|
return xe::filesystem::PathExists(path);
|
|
}
|
|
|
|
X_RESULT ContentManager::CreateContent(std::string root_name,
|
|
const XCONTENT_DATA& data) {
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
|
|
if (open_packages_.count(root_name)) {
|
|
// Already content open with this root name.
|
|
return X_ERROR_INVALID_NAME;
|
|
}
|
|
|
|
auto package_path = ResolvePackagePath(data);
|
|
if (xe::filesystem::PathExists(package_path)) {
|
|
// Exists, must not!
|
|
return X_ERROR_ALREADY_EXISTS;
|
|
}
|
|
|
|
if (!xe::filesystem::CreateFolder(package_path)) {
|
|
return X_ERROR_ACCESS_DENIED;
|
|
}
|
|
|
|
auto package = ResolvePackage(root_name, data);
|
|
assert_not_null(package);
|
|
|
|
open_packages_.insert({root_name, package.release()});
|
|
|
|
return X_ERROR_SUCCESS;
|
|
}
|
|
|
|
X_RESULT ContentManager::OpenContent(std::string root_name,
|
|
const XCONTENT_DATA& data) {
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
|
|
if (open_packages_.count(root_name)) {
|
|
// Already content open with this root name.
|
|
return X_ERROR_INVALID_NAME;
|
|
}
|
|
|
|
auto package_path = ResolvePackagePath(data);
|
|
if (!xe::filesystem::PathExists(package_path)) {
|
|
// Does not exist, must be created.
|
|
return X_ERROR_FILE_NOT_FOUND;
|
|
}
|
|
|
|
// Open package.
|
|
auto package = ResolvePackage(root_name, data);
|
|
assert_not_null(package);
|
|
|
|
open_packages_.insert({root_name, package.release()});
|
|
|
|
return X_ERROR_SUCCESS;
|
|
}
|
|
|
|
X_RESULT ContentManager::CloseContent(std::string root_name) {
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
|
|
auto it = open_packages_.find(root_name);
|
|
if (it == open_packages_.end()) {
|
|
return X_ERROR_FILE_NOT_FOUND;
|
|
}
|
|
|
|
auto package = it->second;
|
|
open_packages_.erase(it);
|
|
delete package;
|
|
|
|
return X_ERROR_SUCCESS;
|
|
}
|
|
|
|
X_RESULT ContentManager::GetContentThumbnail(const XCONTENT_DATA& data,
|
|
std::vector<uint8_t>* buffer) {
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
auto package_path = ResolvePackagePath(data);
|
|
auto thumb_path = xe::join_paths(package_path, kThumbnailFileName);
|
|
if (xe::filesystem::PathExists(thumb_path)) {
|
|
auto file = xe::filesystem::OpenFile(thumb_path, "rb");
|
|
fseek(file, 0, SEEK_END);
|
|
size_t file_len = ftell(file);
|
|
fseek(file, 0, SEEK_SET);
|
|
buffer->resize(file_len);
|
|
fread(const_cast<uint8_t*>(buffer->data()), 1, buffer->size(), file);
|
|
fclose(file);
|
|
return X_ERROR_SUCCESS;
|
|
} else {
|
|
return X_ERROR_FILE_NOT_FOUND;
|
|
}
|
|
}
|
|
|
|
X_RESULT ContentManager::SetContentThumbnail(const XCONTENT_DATA& data,
|
|
std::vector<uint8_t> buffer) {
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
auto package_path = ResolvePackagePath(data);
|
|
xe::filesystem::CreateFolder(package_path);
|
|
if (xe::filesystem::PathExists(package_path)) {
|
|
auto thumb_path = xe::join_paths(package_path, kThumbnailFileName);
|
|
auto file = xe::filesystem::OpenFile(thumb_path, "wb");
|
|
fwrite(buffer.data(), 1, buffer.size(), file);
|
|
fclose(file);
|
|
return X_ERROR_SUCCESS;
|
|
} else {
|
|
return X_ERROR_FILE_NOT_FOUND;
|
|
}
|
|
}
|
|
|
|
X_RESULT ContentManager::DeleteContent(const XCONTENT_DATA& data) {
|
|
std::lock_guard<xe::recursive_mutex> lock(content_mutex_);
|
|
|
|
auto package_path = ResolvePackagePath(data);
|
|
if (xe::filesystem::PathExists(package_path)) {
|
|
xe::filesystem::DeleteFolder(package_path);
|
|
return X_ERROR_SUCCESS;
|
|
} else {
|
|
return X_ERROR_FILE_NOT_FOUND;
|
|
}
|
|
}
|
|
|
|
} // namespace kernel
|
|
} // namespace xe
|