mirror of
https://github.com/wiiu-env/libwupsbackend.git
synced 2024-11-25 03:06:52 +01:00
273 lines
14 KiB
C++
273 lines
14 KiB
C++
#include "wups_backend/api.h"
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#include "imports.h"
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#include "logger.h"
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#include "wups_backend/import_defines.h"
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#include <coreinit/debug.h>
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#include <coreinit/dynload.h>
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static OSDynLoad_Module sModuleHandle = nullptr;
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static PluginBackendApiErrorType (*sWUPSGetAPIVersion)(WUPSBackendAPIVersion *) = nullptr;
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static PluginBackendApiErrorType (*sWUPSGetSectionInformationForPlugin)(
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wups_backend_plugin_container_handle handle,
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wups_backend_plugin_section_info *plugin_section_list,
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uint32_t buffer_size,
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uint32_t *out_count) = nullptr;
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static PluginBackendApiErrorType (*sWUPSGetNumberOfLoadedPlugins)(uint32_t *out) = nullptr;
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static PluginBackendApiErrorType (*sWUPSWillReloadPluginsOnNextLaunch)(bool *out) = nullptr;
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static PluginBackendApiErrorType (*sWUPSGetSectionMemoryAddresses)(wups_backend_plugin_container_handle handle,
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void **textAddress,
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void **dataAddress) = nullptr;
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static PluginBackendApiErrorType (*sWUPSGetPluginMetaInformationByPathEx)(wups_backend_plugin_information *output,
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const char *path,
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PluginBackendPluginParseError *err) = nullptr;
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static PluginBackendApiErrorType (*sWUPSGetPluginMetaInformationByBufferEx)(wups_backend_plugin_information *output,
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char *buffer,
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size_t size,
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PluginBackendPluginParseError *err) = nullptr;
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static bool sLibInitDone = false;
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static WUPSBackendAPIVersion sWUPSAPIVersion = WUPS_BACKEND_MODULE_API_VERSION_ERROR;
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const char *WUPSBackend_GetStatusStr(PluginBackendApiErrorType status) {
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switch (status) {
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case PLUGIN_BACKEND_API_ERROR_NONE:
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return "PLUGIN_BACKEND_API_ERROR_NONE";
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case PLUGIN_BACKEND_API_ERROR_INVALID_SIZE:
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return "PLUGIN_BACKEND_API_ERROR_INVALID_SIZE";
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case PLUGIN_BACKEND_API_ERROR_INVALID_ARG:
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return "PLUGIN_BACKEND_API_ERROR_INVALID_ARG";
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case PLUGIN_BACKEND_API_ERROR_FAILED_ALLOC:
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return "PLUGIN_BACKEND_API_ERROR_FAILED_ALLOC";
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case PLUGIN_BACKEND_API_ERROR_FILE_NOT_FOUND:
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return "PLUGIN_BACKEND_API_ERROR_FILE_NOT_FOUND";
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case PLUGIN_BACKEND_API_INVALID_HANDLE:
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return "PLUGIN_BACKEND_API_INVALID_HANDLE";
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case PLUGIN_BACKEND_API_ERROR_MODULE_NOT_FOUND:
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return "PLUGIN_BACKEND_API_ERROR_MODULE_NOT_FOUND";
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case PLUGIN_BACKEND_API_ERROR_MODULE_MISSING_EXPORT:
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return "PLUGIN_BACKEND_API_ERROR_MODULE_MISSING_EXPORT";
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case PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_VERSION:
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return "PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_VERSION";
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case PLUGIN_BACKEND_API_ERROR_LIB_UNINITIALIZED:
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return "PLUGIN_BACKEND_API_ERROR_LIB_UNINITIALIZED";
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case PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_COMMAND:
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return "PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_COMMAND";
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}
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return "PLUGIN_BACKEND_API_ERROR_UNKNOWN_ERROR";
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}
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PluginBackendApiErrorType WUPSBackend_InitLibrary() {
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if (sLibInitDone) {
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return PLUGIN_BACKEND_API_ERROR_NONE;
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}
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if (OSDynLoad_Acquire("homebrew_wupsbackend", &sModuleHandle) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_ERR("OSDynLoad_Acquire failed.");
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return PLUGIN_BACKEND_API_ERROR_MODULE_NOT_FOUND;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSGetAPIVersion", (void **) &sWUPSGetAPIVersion) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_ERR("FindExport WUPSGetAPIVersion failed.");
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return PLUGIN_BACKEND_API_ERROR_MODULE_MISSING_EXPORT;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSWillReloadPluginsOnNextLaunch", (void **) &sWUPSWillReloadPluginsOnNextLaunch) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("FindExport WUPSWillReloadPluginsOnNextLaunch failed.");
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sWUPSWillReloadPluginsOnNextLaunch = nullptr;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSGetNumberOfLoadedPlugins", (void **) &sWUPSGetNumberOfLoadedPlugins) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("FindExport WUPSGetNumberOfLoadedPlugins failed.");
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sWUPSGetNumberOfLoadedPlugins = nullptr;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSGetSectionMemoryAddresses", (void **) &sWUPSGetSectionMemoryAddresses) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("FindExport WUPSGetSectionMemoryAddresses failed.");
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sWUPSGetSectionMemoryAddresses = nullptr;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSGetPluginMetaInformationByPathEx", (void **) &sWUPSGetPluginMetaInformationByPathEx) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("FindExport WUPSGetPluginMetaInformationByPathEx failed.");
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sWUPSGetPluginMetaInformationByPathEx = nullptr;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSGetPluginMetaInformationByBufferEx", (void **) &sWUPSGetPluginMetaInformationByBufferEx) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("FindExport WUPSGetPluginMetaInformationByBufferEx failed.");
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sWUPSGetPluginMetaInformationByBufferEx = nullptr;
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}
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auto res = WUPSBackend_GetApiVersion(&sWUPSAPIVersion);
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if (res != PLUGIN_BACKEND_API_ERROR_NONE) {
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sWUPSAPIVersion = WUPS_BACKEND_MODULE_API_VERSION_ERROR;
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return PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_VERSION;
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}
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sLibInitDone = true;
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return PLUGIN_BACKEND_API_ERROR_NONE;
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}
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PluginBackendApiErrorType WUPSBackend_DeInitLibrary() {
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if (sLibInitDone) {
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sWUPSGetAPIVersion = nullptr;
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sWUPSAPIVersion = WUPS_BACKEND_MODULE_API_VERSION_ERROR;
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OSDynLoad_Release(sModuleHandle);
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sModuleHandle = nullptr;
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sLibInitDone = false;
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}
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return PLUGIN_BACKEND_API_ERROR_NONE;
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}
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PluginBackendApiErrorType WUPSBackend_GetApiVersion(WUPSBackendAPIVersion *outVersion) {
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if (sWUPSGetAPIVersion == nullptr) {
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if (OSDynLoad_Acquire("homebrew_wupsbackend", &sModuleHandle) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("OSDynLoad_Acquire failed.");
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return PLUGIN_BACKEND_API_ERROR_MODULE_NOT_FOUND;
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}
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if (OSDynLoad_FindExport(sModuleHandle, OS_DYNLOAD_EXPORT_FUNC, "WUPSGetAPIVersion", (void **) &sWUPSGetAPIVersion) != OS_DYNLOAD_OK) {
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DEBUG_FUNCTION_LINE_WARN("FindExport WUPSGetAPIVersion failed.");
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return PLUGIN_BACKEND_API_ERROR_MODULE_MISSING_EXPORT;
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}
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}
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return reinterpret_cast<decltype(&WUPSBackend_GetApiVersion)>(sWUPSGetAPIVersion)(outVersion);
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}
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PluginBackendApiErrorType WUPSBackend_GetSectionInformationForPlugin(wups_backend_plugin_container_handle handle, wups_backend_plugin_section_info *plugin_section_list, uint32_t buffer_size, uint32_t *out_count) {
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR) {
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return PLUGIN_BACKEND_API_ERROR_LIB_UNINITIALIZED;
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}
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if (sWUPSGetSectionInformationForPlugin == nullptr || sWUPSAPIVersion < 2) {
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return PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_COMMAND;
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}
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if (handle == 0) {
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return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
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}
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return reinterpret_cast<decltype(&WUPSBackend_GetSectionInformationForPlugin)>(sWUPSGetSectionInformationForPlugin)(handle, plugin_section_list, buffer_size, out_count);
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}
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PluginBackendApiErrorType WUPSBackend_GetNumberOfLoadedPlugins(uint32_t *out_count) {
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR) {
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return PLUGIN_BACKEND_API_ERROR_LIB_UNINITIALIZED;
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}
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if (sWUPSGetNumberOfLoadedPlugins == nullptr || sWUPSAPIVersion < 2) {
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return PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_COMMAND;
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}
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if (out_count == nullptr) {
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return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
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}
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return reinterpret_cast<decltype(&WUPSBackend_GetNumberOfLoadedPlugins)>(sWUPSGetNumberOfLoadedPlugins)(out_count);
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}
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PluginBackendApiErrorType WUPSBackend_WillReloadPluginsOnNextLaunch(bool *out) {
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR) {
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return PLUGIN_BACKEND_API_ERROR_LIB_UNINITIALIZED;
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}
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if (sWUPSWillReloadPluginsOnNextLaunch == nullptr || sWUPSAPIVersion < 2) {
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return PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_COMMAND;
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}
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if (out == nullptr) {
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return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
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}
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return reinterpret_cast<decltype(&WUPSBackend_WillReloadPluginsOnNextLaunch)>(sWUPSWillReloadPluginsOnNextLaunch)(out);
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}
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PluginBackendApiErrorType WUPSBackend_GetSectionMemoryAddresses(wups_backend_plugin_container_handle handle, void **textAddress, void **dataAddress) {
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR) {
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return PLUGIN_BACKEND_API_ERROR_LIB_UNINITIALIZED;
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}
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if (sWUPSGetSectionMemoryAddresses == nullptr || sWUPSAPIVersion < 2) {
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return PLUGIN_BACKEND_API_ERROR_UNSUPPORTED_COMMAND;
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}
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if (handle == 0 || textAddress == nullptr || dataAddress == nullptr) {
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return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
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}
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return reinterpret_cast<decltype(&WUPSBackend_GetSectionMemoryAddresses)>(sWUPSGetSectionMemoryAddresses)(handle, textAddress, dataAddress);
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}
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#define PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED() \
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do { \
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR) { DEBUG_FUNCTION_LINE_WARN("libwupsbackend is not initialized, please make sure to call WUPSBackend_InitLibrary"); } \
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} while (0)
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PluginBackendApiErrorType WUPSBackend_LoadAndLinkByDataHandle(const wups_backend_plugin_data_handle *plugin_data_handle_list, uint32_t plugin_data_handle_list_size) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSLoadAndLinkByDataHandle(plugin_data_handle_list, plugin_data_handle_list_size);
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}
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PluginBackendApiErrorType WUPSBackend_DeletePluginData(const wups_backend_plugin_data_handle *plugin_data_handle_list, uint32_t plugin_data_handle_list_size) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSDeletePluginData(plugin_data_handle_list, plugin_data_handle_list_size);
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}
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PluginBackendApiErrorType WUPSBackend_LoadPluginAsDataByPath(wups_backend_plugin_data_handle *output, const char *path) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSLoadPluginAsDataByPath(output, path);
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}
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PluginBackendApiErrorType WUPSBackend_LoadPluginAsDataByBuffer(wups_backend_plugin_data_handle *output, char *buffer, size_t size) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSLoadPluginAsDataByBuffer(output, buffer, size);
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}
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PluginBackendApiErrorType WUPSBackend_GetPluginMetaInformationByPath(wups_backend_plugin_information *output, const char *path, PluginBackendPluginParseError *err) {
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR || sWUPSGetPluginMetaInformationByPathEx == nullptr || sWUPSAPIVersion < 3) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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auto res = WUPSGetPluginMetaInformationByPath(output, path);
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if (err) {
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*err = res == PLUGIN_BACKEND_API_ERROR_NONE ? PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_NONE : PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_UNKNOWN;
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}
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return res;
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}
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if (output == nullptr || path == nullptr) {
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return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
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}
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return reinterpret_cast<decltype(&WUPSBackend_GetPluginMetaInformationByPath)>(sWUPSGetPluginMetaInformationByPathEx)(output, path, err);
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}
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PluginBackendApiErrorType WUPSBackend_GetPluginMetaInformationByBuffer(wups_backend_plugin_information *output, char *buffer, size_t size, PluginBackendPluginParseError *err) {
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if (sWUPSAPIVersion == WUPS_BACKEND_MODULE_API_VERSION_ERROR || sWUPSGetPluginMetaInformationByBufferEx == nullptr || sWUPSAPIVersion < 3) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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auto res = WUPSGetPluginMetaInformationByBuffer(output, buffer, size);
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if (err) {
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*err = res == PLUGIN_BACKEND_API_ERROR_NONE ? PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_NONE : PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_UNKNOWN;
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}
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return res;
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}
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if (output == nullptr || buffer == nullptr || size == 0) {
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return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
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}
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return reinterpret_cast<decltype(&WUPSBackend_GetPluginMetaInformationByBuffer)>(sWUPSGetPluginMetaInformationByBufferEx)(output, buffer, size, err);
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}
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PluginBackendApiErrorType WUPSBackend_GetPluginDataForContainerHandles(const wups_backend_plugin_container_handle *plugin_container_handle_list, const wups_backend_plugin_data_handle *plugin_data_list, uint32_t buffer_size) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSGetPluginDataForContainerHandles(plugin_container_handle_list, plugin_data_list, buffer_size);
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}
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PluginBackendApiErrorType WUPSBackend_GetMetaInformation(const wups_backend_plugin_container_handle *plugin_container_handle_list, wups_backend_plugin_information *plugin_information_list, uint32_t buffer_size) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSGetMetaInformation(plugin_container_handle_list, plugin_information_list, buffer_size);
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}
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PluginBackendApiErrorType WUPSBackend_GetLoadedPlugins(const wups_backend_plugin_container_handle *io_handles, uint32_t buffer_size, uint32_t *outSize, uint32_t *plugin_information_version) {
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PRINT_WARNING_FOR_LEGACY_FUNCTION_WHEN_NOT_INITIALIZED();
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return WUPSGetLoadedPlugins(io_handles, buffer_size, outSize, plugin_information_version);
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}
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