315 lines
9.5 KiB
C++
315 lines
9.5 KiB
C++
#include <atomic>
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#include <cstddef>
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#include <cstdint>
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#include <cstring>
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#include <filesystem>
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#include <stdexcept>
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#include <string>
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#include "SceTypes.hpp"
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#include "prx/libc/include/General.hpp"
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#include "SaveData.hpp"
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static constexpr char SAVE_DIR[] = "_SaveData";
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static std::atomic<std::int32_t> g_transaction_counter{1};
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static bool g_initialized = false;
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static std::string save_root() {
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return std::string(SAVE_DIR);
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}
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static std::string slot_mount_point(int slot) {
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return std::string("/savedata") + std::to_string(slot);
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}
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static bool dir_name_match(const char* str, const char* pattern) {
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if (pattern == nullptr || pattern[0] == '\0') {
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return true;
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}
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while (*str != '\0' && *pattern != '\0') {
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if (*pattern == '%') {
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for (const char* s = str;; s++) {
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if (dir_name_match(s, pattern + 1)) {
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return true;
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}
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if (*s == '\0') {
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break;
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}
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}
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return false;
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}
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if (*pattern == '_') {
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str++;
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pattern++;
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continue;
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}
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if (*pattern != *str) {
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return false;
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}
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str++;
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pattern++;
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}
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return *str == '\0' && *pattern == '\0';
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}
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extern "C" {
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int sceSaveDataBackup(const SaveDataBackup* backup) {
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(void)backup;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataCommit(const SaveDataCommitParam* param) {
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(void)param;
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return SAVE_DATA_OK;
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}
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int sceSaveDataCreateTransactionResource(uint32_t size) {
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(void)size;
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return g_transaction_counter.fetch_add(1);
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}
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int sceSaveDataDelete(const SaveDataDelete* del) {
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if (del == nullptr || del->dir_name == nullptr) {
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throw std::runtime_error("sceSaveDataDelete: null argument");
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}
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const std::string path = save_root() + "/" + std::string(del->dir_name->data);
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if (std::filesystem::is_directory(path)) {
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std::filesystem::remove_all(path);
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}
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return SAVE_DATA_OK;
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}
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int sceSaveDataDeleteTransactionResource(int32_t resource) {
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(void)resource;
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return SAVE_DATA_OK;
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}
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int sceSaveDataDirNameSearch(const SaveDataDirNameSearchCond* cond, SaveDataDirNameSearchResult* result) {
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if (cond == nullptr || result == nullptr) {
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throw std::runtime_error("sceSaveDataDirNameSearch: null argument");
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}
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result->hit_num = 0;
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result->set_num = 0;
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const char* pattern = (cond->dir_name != nullptr) ? cond->dir_name->data : nullptr;
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const std::string root = save_root();
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if (!std::filesystem::is_directory(root)) {
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return SAVE_DATA_OK;
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}
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std::uint32_t hit = 0;
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std::uint32_t set = 0;
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for (const auto& entry : std::filesystem::directory_iterator(root)) {
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if (!entry.is_directory()) {
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continue;
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}
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const std::string name = entry.path().filename().string();
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if (!dir_name_match(name.c_str(), pattern)) {
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continue;
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}
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hit++;
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if (result->dir_names != nullptr && set < result->dir_names_num) {
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std::snprintf(result->dir_names[set].data, sizeof(result->dir_names[set].data), "%s", name.c_str());
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if (result->params != nullptr) {
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std::memset(&result->params[set], 0, sizeof(SaveDataParam));
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}
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set++;
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}
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}
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result->hit_num = hit;
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result->set_num = set;
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return SAVE_DATA_OK;
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}
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int sceSaveDataGetEventResult(const void* event_param, SaveDataEvent* event) {
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(void)event_param;
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(void)event;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataGetMountInfo(const SaveDataMountPoint* mount_point, SaveDataMountInfo* info) {
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if (mount_point == nullptr || info == nullptr) {
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throw std::runtime_error("sceSaveDataGetMountInfo: null argument");
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}
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if (find_slot_by_mount_point(mount_point->data) == -1) {
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return SAVE_DATA_ERROR_NOT_MOUNTED;
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}
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std::memset(info, 0, sizeof(*info));
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info->blocks = SAVE_DATA_BLOCKS_MAX;
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info->free_blocks = SAVE_DATA_BLOCKS_MAX;
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return SAVE_DATA_OK;
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}
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int sceSaveDataGetParam(const SaveDataMountPoint* mount_point, uint32_t param_type, void* param_buf, size_t param_buf_size, size_t* got_size) {
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(void)param_type;
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if (mount_point == nullptr || param_buf == nullptr) {
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throw std::runtime_error("sceSaveDataGetParam: null argument");
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}
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if (find_slot_by_mount_point(mount_point->data) == -1) {
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return SAVE_DATA_ERROR_NOT_MOUNTED;
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}
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std::memset(param_buf, 0, param_buf_size);
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if (got_size != nullptr) {
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*got_size = param_buf_size;
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}
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return SAVE_DATA_OK;
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}
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int sceSaveDataGetSaveDataMemory2(SaveDataMemoryGet2* get_param) {
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(void)get_param;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataInitialize3(const void* init) {
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(void)init;
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NotImplemented_nid_no_patch(__func__);
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if (g_initialized) {
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return SAVE_DATA_ERROR_ALREADY_INITIALIZED;
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}
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g_initialized = true;
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return SAVE_DATA_OK;
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}
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int sceSaveDataLoadIcon(const SaveDataMountPoint* mount_point, SaveDataIcon* icon) {
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(void)icon;
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if (mount_point == nullptr) {
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throw std::runtime_error("sceSaveDataLoadIcon: null mount_point");
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}
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if (find_slot_by_mount_point(mount_point->data) == -1) {
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return SAVE_DATA_ERROR_NOT_MOUNTED;
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}
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if (icon != nullptr) {
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icon->data_size = 0;
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}
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return SAVE_DATA_OK;
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}
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int sceSaveDataMount3(const SaveDataMount3* mount, SaveDataMountResult* mount_result) {
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if (mount == nullptr || mount_result == nullptr || mount->dir_name == nullptr) {
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throw std::runtime_error("sceSaveDataMount3: null argument");
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}
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std::memset(mount_result, 0, sizeof(*mount_result));
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const bool create = (mount->mount_mode & SAVE_DATA_MOUNT_MODE_CREATE) != 0;
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const bool create2 = (mount->mount_mode & SAVE_DATA_MOUNT_MODE_CREATE2) != 0;
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const bool rdonly = (mount->mount_mode & SAVE_DATA_MOUNT_MODE_RDONLY) != 0;
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const bool rdwr = (mount->mount_mode & SAVE_DATA_MOUNT_MODE_RDWR) != 0;
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const bool open = !create && !create2 && (rdonly || rdwr);
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if (!create && !create2 && !open) {
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throw std::runtime_error("sceSaveDataMount3: unknown mount_mode");
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}
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const std::string dir_name = mount->dir_name->data;
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const std::string real_path = save_root() + "/" + dir_name;
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const bool exists = std::filesystem::is_directory(real_path);
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if (create && exists) {
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return SAVE_DATA_ERROR_EXISTS;
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}
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if (open && !exists) {
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return SAVE_DATA_ERROR_NOT_FOUND;
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}
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int slot = find_free_slot();
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if (slot == -1) {
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return SAVE_DATA_ERROR_MOUNT_FULL;
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}
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if (create || create2) {
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std::filesystem::create_directories(real_path);
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}
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const std::string mp = slot_mount_point(slot);
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g_slots[slot].used = true;
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g_slots[slot].mount_point = mp;
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g_slots[slot].real_path = real_path;
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std::snprintf(mount_result->mount_point.data, sizeof(mount_result->mount_point.data), "%s", mp.c_str());
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mount_result->required_blocks = 0;
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mount_result->mount_status = (create || create2) ? 1u : 0u;
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return SAVE_DATA_OK;
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}
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int sceSaveDataPrepare(const SaveDataMountPoint* mount_point, const SaveDataPrepareParam* param) {
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(void)mount_point;
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(void)param;
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return SAVE_DATA_OK;
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}
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int sceSaveDataSaveIcon(const SaveDataMountPoint* mount_point, const SaveDataIcon* icon) {
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(void)icon;
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if (mount_point == nullptr) {
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throw std::runtime_error("sceSaveDataSaveIcon: null mount_point");
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}
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if (find_slot_by_mount_point(mount_point->data) == -1) {
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return SAVE_DATA_ERROR_NOT_MOUNTED;
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}
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return SAVE_DATA_OK;
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}
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int sceSaveDataSaveIconByPath(const SaveDataMountPoint* mount_point, const char* path) {
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(void)mount_point;
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(void)path;
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return SAVE_DATA_OK;
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}
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int sceSaveDataSetParam(const SaveDataMountPoint* mount_point, uint32_t param_type, const void* param_buf, size_t param_buf_size) {
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(void)param_type;
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(void)param_buf;
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(void)param_buf_size;
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if (mount_point == nullptr) {
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throw std::runtime_error("sceSaveDataSetParam: null mount_point");
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}
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if (find_slot_by_mount_point(mount_point->data) == -1) {
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return SAVE_DATA_ERROR_NOT_MOUNTED;
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}
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return SAVE_DATA_OK;
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}
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int sceSaveDataSetSaveDataMemory2(const SaveDataMemorySet2* set_param) {
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(void)set_param;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataSetupSaveDataMemory2(const SaveDataMemorySetup2* setup_param, SaveDataMemorySetupResult* result) {
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(void)setup_param;
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(void)result;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataSyncSaveDataMemory(const void* sync_param) {
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(void)sync_param;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataTerminate(void) {
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if (!g_initialized) {
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return SAVE_DATA_ERROR_NOT_INITIALIZED;
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}
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if (any_slot_used()) {
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return SAVE_DATA_ERROR_BUSY;
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}
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g_initialized = false;
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return SAVE_DATA_OK;
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}
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int sceSaveDataTransferringMount(const SaveDataTransferringMount* mount, SaveDataMountResult* mount_result) {
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(void)mount;
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(void)mount_result;
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NotImplemented_nid_no_patch(__func__);
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return 0;
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}
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int sceSaveDataUmount2(uint32_t mode, const SaveDataMountPoint* mount_point) {
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(void)mode;
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if (mount_point == nullptr) {
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throw std::runtime_error("sceSaveDataUmount2: null mount_point");
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}
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int slot = find_slot_by_mount_point(mount_point->data);
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if (slot == -1) {
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return SAVE_DATA_ERROR_NOT_MOUNTED;
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}
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g_slots[slot] = MountSlot{};
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return SAVE_DATA_OK;
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}
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}
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