//===================================
void ConfigDestroy () {
s_critsect.Enter();
{
for_each(s_dirMonitors.begin(), s_dirMonitors.end(), DestroyDirMonitor_CS());
s_dirMonitors.clear();
}
s_critsect.Leave();
// Wait until all directory monitors are deleted asynchronously
while (s_dirCount)
Sleep(1);
}
//===================================
void DirMonitor::TaskComplete (
unsigned bytes,
OVERLAPPED *
) {
s_critsect.Enter();
{
if (m_handle == INVALID_HANDLE_VALUE) {
// The monitor is ready to be deleted
}
// If no bytes read then m_buffer wasn't large enough to hold all the
// updates; scan the directory to see which files need to be updated
else if (!bytes) {
ScanDirectoryForChanges_CS();
}
// Otherwise process the file notifications
else for (const FILE_NOTIFY_INFORMATION * info = (const FILE_NOTIFY_INFORMATION *) m_buffer;;) {
// Validate the structure
// DebugMsg(" %u: %.*S\n", info->Action, info->FileNameLength / sizeof(info->FileName[0]), info->FileName);
#ifdef ASSERTIONS_ENABLED
size_t offset = (size_t) ((const byte *) info - (const byte *) m_buffer);
ASSERT(offset < bytes);
ASSERT(offset < sizeof_field(DirMonitor, m_buffer));
#endif
// Deleting or renaming a file does not cause re-parsing
if ((info->Action == FILE_ACTION_REMOVED) || (info->Action == FILE_ACTION_RENAMED_OLD_NAME)) {
// DebugMsg("%.*S deleted\n", info->FileNameLength / sizeof(info->FileName[0]), filename);
}
else {
// Convert to lowercase for hash matching
wchar filename[MAX_PATH];
StrCopy(filename, min(_countof(filename), info->FileNameLength / sizeof(info->FileName[0]) + 1), info->FileName);
CharLowerW(filename);
// Reparse if file changed
CheckReparseFile_CS(filename);
}
// Move to next entry
if (!info->NextEntryOffset)
break;
info = (const FILE_NOTIFY_INFORMATION *) ((const byte *) info + info->NextEntryOffset);
}
WatchDirectory_CS();
}
s_critsect.Leave();
}
//===================================
void ConfigMonitorFile (const wchar filename[]) {
// Convert to canonical lowercase form
wchar fullpath[MAX_PATH];
if (!GetFullPathNameW(filename, _countof(fullpath), fullpath, NULL)) {
LOG_OS_LAST_ERROR(L"GetFullPathNameW");
FatalError();
}
CharLowerW(fullpath);
// Create the directory that contains the file to be watched
wchar directory[MAX_PATH];
PathRemoveFileName(directory, _countof(directory), fullpath);
if (!PathCreateDirectory(directory))
FatalError();
// Get the filename part
filename = PathFindFileNameW(fullpath);
s_critsect.Enter();
{
// Create a monitor for this directory
DirMonitor * dir = FindOrCreateDirectoryMonitor_CS(directory);
// Does this file already exist in the monitor's file list?
ConfigFile * file;
ConfigFileMap::iterator pair = dir->m_files.find(filename);
if (pair == dir->m_files.end()) {
file = new ConfigFile(fullpath);
dir->m_files.insert(ConfigFilePair(file->m_filename, file));
}
else {
file = pair->second;
}
// TODO: signal file for reparsing so the callback gets called.
}
s_critsect.Leave();
}
