// cleans up OVERLAPPED instance after file operation completion
static VOID CALLBACK _threadpoolCallback(_Inout_ PTP_CALLBACK_INSTANCE Instance,
_Inout_opt_ PVOID Context,
_Inout_opt_ PVOID Overlapped,
_In_ ULONG IoResult,
_In_ ULONG_PTR NumberOfBytesTransferred,
_Inout_ PTP_IO Io) {
free(Overlapped);
CloseThreadpoolIo(Io);
}
CF_PRIVATE Boolean _CFWriteBytesToFileAsync(CFURLRef url, const void *bytes, CFIndex length) {
char path[CFMaxPathSize];
if (!CFURLGetFileSystemRepresentation(url, true, (uint8_t *)path, CFMaxPathSize)) {
return false;
}
wchar_t wpath[CFMaxPathSize];
int convertedLength = MultiByteToWideChar(CP_UTF8, 0, path, CFMaxPathSize, wpath, CFMaxPathSize);
if (0 == convertedLength) {
unsigned error = GetLastError();
CFLog(kCFLogLevelWarning, CFSTR("_CFWriteBytesToFileAsync failed to convert the path (error %u)"), error);
return false;
}
HANDLE fileHandle = NULL;
CREATEFILE2_EXTENDED_PARAMETERS createExParams;
createExParams.dwSize = sizeof(CREATEFILE2_EXTENDED_PARAMETERS);
createExParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
createExParams.dwFileFlags = FILE_FLAG_OVERLAPPED;
createExParams.dwSecurityQosFlags = 0;
createExParams.lpSecurityAttributes = NULL;
createExParams.hTemplateFile = NULL;
OVERLAPPED* overlapped = (OVERLAPPED*)calloc(1, sizeof(OVERLAPPED));
if ((fileHandle = CreateFile2(wpath, GENERIC_WRITE, FILE_SHARE_READ, CREATE_ALWAYS, &createExParams)) == INVALID_HANDLE_VALUE) {
unsigned error = GetLastError();
CFLog(kCFLogLevelWarning, CFSTR("_CFWriteBytesToFileAsync failed to open the file (error %u)"), error);
free(overlapped);
return false;
}
PTP_IO threadPoolIo = CreateThreadpoolIo(fileHandle, _threadpoolCallback, NULL, NULL);
StartThreadpoolIo(threadPoolIo);
if (!WriteFile(fileHandle, bytes, length, NULL, overlapped)) {
unsigned error = GetLastError();
if (ERROR_IO_PENDING != error) {
CFLog(kCFLogLevelWarning, CFSTR("_CFWriteBytesToFileAsync failed to write to the file (error %u)"), error);
CloseHandle(fileHandle);
CancelThreadpoolIo(threadPoolIo);
CloseThreadpoolIo(threadPoolIo);
free(overlapped);
return false;
}
}
CloseHandle(fileHandle);
return true;
}
void NamedPipe::Close() {
base::AutoLock guard(lock_);
CloseHandle(pipe_);
pipe_ = INVALID_HANDLE_VALUE;
if (io_ != nullptr) {
auto local_io = io_;
io_ = nullptr;
base::AutoUnlock unlock(lock_);
WaitForThreadpoolIoCallbacks(local_io, FALSE);
CloseThreadpoolIo(local_io);
}
}
void Server::Destroy()
{
m_ShuttingDown = true;
if (m_AcceptTPWORK != NULL)
{
WaitForThreadpoolWorkCallbacks(m_AcceptTPWORK, true);
CloseThreadpoolWork(m_AcceptTPWORK);
m_AcceptTPWORK = NULL;
}
if (m_listenSocket != INVALID_SOCKET)
{
Network::CloseSocket(m_listenSocket);
CancelIoEx(reinterpret_cast<HANDLE>(m_listenSocket), NULL);
m_listenSocket = INVALID_SOCKET;
}
if (m_pTPIO != NULL)
{
WaitForThreadpoolIoCallbacks(m_pTPIO, true);
CloseThreadpoolIo(m_pTPIO);
m_pTPIO = NULL;
}
if (m_ClientTPCLEAN != NULL)
{
CloseThreadpoolCleanupGroupMembers(m_ClientTPCLEAN, false, NULL);
CloseThreadpoolCleanupGroup(m_ClientTPCLEAN);
DestroyThreadpoolEnvironment(&m_ClientTPENV);
m_ClientTPCLEAN = NULL;
}
EnterCriticalSection(&m_CSForClients);
for (auto client : m_Clients)
{
delete client;
}
m_Clients.clear();
LeaveCriticalSection(&m_CSForClients);
DeleteCriticalSection(&m_CSForClients);
}
void NamedPipeChannel::Close() {
base::AutoLock guard(lock_);
if (handle_ != INVALID_HANDLE_VALUE) {
CloseHandle(handle_);
handle_ = INVALID_HANDLE_VALUE;
end_point_ = EndPoint::kUnknown;
}
if (io_ != nullptr) {
auto local_io = io_;
io_ = nullptr;
{
base::AutoUnlock unlock(lock_);
WaitForThreadpoolIoCallbacks(local_io, FALSE);
}
CloseThreadpoolIo(local_io);
}
}