fs::path
HOSTFXR_UTILITY::GetAbsolutePathToHostFxr(
const fs::path & dotnetPath
)
{
std::vector<std::wstring> versionFolders;
const auto hostFxrBase = dotnetPath.parent_path() / "host" / "fxr";
LOG_INFOF(L"Resolving absolute path to hostfxr.dll from '%ls'", dotnetPath.c_str());
if (!is_directory(hostFxrBase))
{
throw InvalidOperationException(format(L"Unable to find hostfxr directory at %s", hostFxrBase.c_str()));
}
FindDotNetFolders(hostFxrBase, versionFolders);
if (versionFolders.empty())
{
throw InvalidOperationException(format(L"Hostfxr directory '%s' doesn't contain any version subdirectories", hostFxrBase.c_str()));
}
const auto highestVersion = FindHighestDotNetVersion(versionFolders);
const auto hostFxrPath = hostFxrBase / highestVersion / "hostfxr.dll";
if (!is_regular_file(hostFxrPath))
{
throw InvalidOperationException(format(L"hostfxr.dll not found at '%s'", hostFxrPath.c_str()));
}
LOG_INFOF(L"hostfxr.dll located at '%ls'", hostFxrPath.c_str());
return hostFxrPath;
}
std::shared_ptr<VSRG::Song> LoadSong7KFromFilename(const std::filesystem::path& filename, VSRG::Song *Sng)
{
if (!filename.has_extension())
{
return nullptr;
}
bool AllocSong = false;
if (!Sng)
{
AllocSong = true;
Sng = new VSRG::Song();
}
Sng->SongDirectory = filename.parent_path();
for (int i = 0; i < sizeof(LoadersVSRG) / sizeof(loaderVSRGEntry_t); i++)
{
if (filename.extension() == LoadersVSRG[i].Ext)
{
Log::LogPrintf("Load %s from disk...", filename.string().c_str());
try
{
LoadersVSRG[i].LoadFunc(filename, Sng);
Log::LogPrintf(" ok\n");
}
catch (std::exception &e)
{
Log::LogPrintf("Failure loading %s: %s\n", filename.string().c_str(), e.what());
}
break;
}
}
if (AllocSong)
return std::shared_ptr<VSRG::Song>(Sng);
return nullptr;
}
std::shared_ptr<FileWatch> FileMonitorWin::Watch(const std::filesystem::path& path, const t_callbackFunc& callback, FileWatch::State states) {
try {
if(!std::filesystem::exists(path))
return nullptr;
} catch (...) {
return nullptr;
}
std::filesystem::path directory = (std::filesystem::is_directory(path) || !path.has_parent_path()) ? path : path.parent_path();
// Ugh.
std::wstring wpath;
#if _MSC_VER >= 1900
wpath = directory.wstring();
#else
auto str = directory.string();
wpath.assign(str.begin(), str.end());
#endif
// Open the handle to the directory we were asked to watch with the
// correct permissions so that we can actually conduct asynchronous
// read operations.
HANDLE hFile = CreateFileW(
wpath.c_str(),
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
nullptr,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED | FILE_FLAG_BACKUP_SEMANTICS,
nullptr
);
if (hFile == INVALID_HANDLE_VALUE)
// No such file, what else can we do?
return nullptr;
// Compose the notification filter based on the user's request
DWORD dwNotifyFilter = 0;
if(states & FileWatch::State::RENAMED || states & FileWatch::State::DELETED)
dwNotifyFilter |= FILE_NOTIFY_CHANGE_FILE_NAME;
if(states & FileWatch::State::MODIFIED)
dwNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
// Need a second-order shared pointer so we can preserve references
Entry* pEntry;
auto key = m_nextKey++;
{
std::lock_guard<std::mutex> lk(GetLock());
pEntry = &m_outstanding[key];
pEntry->key = key;
}
// Need an overlapped structure to track this operation. We'll also be using this to decide
// how to notify the true caller.
auto watcher = std::shared_ptr<FileWatchWin>(
new FileWatchWin(path, callback, dwNotifyFilter, hFile),
[this, key](FileWatchWin* fileWatch) {
--m_numWatchers;
delete fileWatch;
m_outstanding.erase(key);
}
);
pEntry->watcherWeak = watcher;
// Attach to the completion port with the FileWatchWin we just constructed
if (!CreateIoCompletionPort(hFile, m_hCompletion, key, 0)) {
// Something went wrong, can't attach a watcher at this point
m_outstanding.erase(key);
return nullptr;
}
// Initial pend, and then return to the controller
watcher->ReadDirectoryChanges();
++m_numWatchers;
return watcher;
}
