/*
* Open the service pipe and initialize service I/O.
* Failure is not fatal.
*/
static BOOL
InitServiceIO (service_io_t *s)
{
DWORD dwMode = PIPE_READMODE_MESSAGE;
CLEAR(*s);
/* auto-reset event used for signalling i/o completion*/
s->hEvent = CreateEvent (NULL, FALSE, FALSE, NULL);
if (!s->hEvent)
{
return FALSE;
}
s->pipe = CreateFile(_T("\\\\.\\pipe\\openvpn\\service"),
GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
if ( !s->pipe ||
s->pipe == INVALID_HANDLE_VALUE ||
!SetNamedPipeHandleState(s->pipe, &dwMode, NULL, NULL)
)
{
CloseServiceIO (s);
return FALSE;
}
return TRUE;
}
bool WinProcessImpl::DoReadFromPipe(HANDLE pipe, wxString& buff)
{
DWORD dwRead;
DWORD dwMode;
DWORD dwTimeout;
memset(m_buffer, 0, sizeof(m_buffer));
// Make the pipe to non-blocking mode
dwMode = PIPE_READMODE_BYTE | PIPE_NOWAIT;
dwTimeout = 1000;
SetNamedPipeHandleState(pipe,
&dwMode,
NULL,
&dwTimeout);
BOOL bRes = ReadFile( pipe, m_buffer, 65536, &dwRead, NULL);
if ( bRes ) {
wxString tmpBuff;
// Success read
m_buffer[dwRead/sizeof(char)] = 0;
tmpBuff = wxString(m_buffer, wxConvUTF8);
if (tmpBuff.IsEmpty() && dwRead > 0) {
//conversion failed
tmpBuff = wxString::From8BitData(m_buffer);
}
buff << tmpBuff;
return true;
}
return false;
}
static PyObject *
win32_SetNamedPipeHandleState(PyObject *self, PyObject *args)
{
HANDLE hNamedPipe;
PyObject *oArgs[3];
DWORD dwArgs[3], *pArgs[3] = {NULL, NULL, NULL};
int i;
if (!PyArg_ParseTuple(args, F_HANDLE "OOO",
&hNamedPipe, &oArgs[0], &oArgs[1], &oArgs[2]))
return NULL;
PyErr_Clear();
for (i = 0 ; i < 3 ; i++) {
if (oArgs[i] != Py_None) {
dwArgs[i] = PyInt_AsUnsignedLongMask(oArgs[i]);
if (PyErr_Occurred())
return NULL;
pArgs[i] = &dwArgs[i];
}
}
if (!SetNamedPipeHandleState(hNamedPipe, pArgs[0], pArgs[1], pArgs[2]))
return PyErr_SetFromWindowsErr(0);
Py_RETURN_NONE;
}
void Pipe::connectToPipe(const std::string &pipeName)
{
//Console::log("Connecting to " + pipeName);
closePipe();
bool done = false;
while(!done)
{
m_handle = CreateFileA(
pipeName.c_str(), // pipe name
GENERIC_READ | // read and write access
GENERIC_WRITE,
0, // no sharing
nullptr, // default security attributes
OPEN_EXISTING, // opens existing pipe
0, // default attributes
nullptr); // no template file
if(m_handle != INVALID_HANDLE_VALUE)
{
done = true;
}
Sleep(100);
}
//cout << "Connected" << endl;
//DWORD mode = PIPE_READMODE_MESSAGE;
DWORD mode = PIPE_READMODE_BYTE;
BOOL success = SetNamedPipeHandleState(
m_handle, // pipe handle
&mode, // new pipe mode
nullptr, // don't set maximum bytes
nullptr); // don't set maximum time
MLIB_ASSERT_STR(success != FALSE, "SetNamedPipeHandleState failed in Pipe::ConnectToPipe");
}
HANDLE admin_connect(void)
{
HANDLE hMsgPipe = INVALID_HANDLE_VALUE;
// Name of the pipe the admin client creates
const int MAX_PIPE_BUF_SIZE = 1024;
char pipeName[MAX_PIPE_BUF_SIZE];
sprintf(pipeName, "\\\\.\\pipe\\iWSAdmin-%s", unique_name);
for (;;) {
// Attempt to connect to the admin client
hMsgPipe = CreateFile(pipeName, GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
0, NULL);
if (hMsgPipe != INVALID_HANDLE_VALUE)
break;
if (GetLastError() != ERROR_PIPE_BUSY)
break;
// Wait 20 seconds to establish a connection
if (!WaitNamedPipe(pipeName, 20000))
break;
}
if (hMsgPipe != INVALID_HANDLE_VALUE) {
DWORD dwMode = PIPE_READMODE_MESSAGE;
BOOL fSuccess = SetNamedPipeHandleState(hMsgPipe, &dwMode, NULL, NULL);
if (!fSuccess) {
CloseHandle(hMsgPipe);
hMsgPipe = INVALID_HANDLE_VALUE;
}
}
return hMsgPipe;
}
bool WinProcessImpl::Write(const wxString& buff)
{
DWORD dwMode;
DWORD dwTimeout;
wxUnusedVar(dwTimeout);
char chBuf[4097];
wxString tmpCmd = buff;
tmpCmd = tmpCmd.Trim().Trim(false);
tmpCmd += wxT("\r\n");
strcpy(chBuf, tmpCmd.mb_str());
// Make the pipe to non-blocking mode
dwMode = PIPE_READMODE_BYTE | PIPE_NOWAIT;
dwTimeout = 30000;
SetNamedPipeHandleState(hChildStdinWrDup,
&dwMode,
NULL,
NULL); // Timeout of 30 seconds
DWORD dwWritten;
if (!WriteFile(hChildStdinWrDup, chBuf, (unsigned long)strlen(chBuf), &dwWritten, NULL))
return false;
return true;
}
inline Try<Nothing> nonblock(int fd)
{
if (net::is_socket(fd)) {
const u_long non_block_mode = 1;
u_long mode = non_block_mode;
int result = ioctlsocket(fd, FIONBIO, &mode);
if (result != NO_ERROR) {
return WindowsSocketError();
}
} else {
// Extract handle from file descriptor.
HANDLE handle = reinterpret_cast<HANDLE>(::_get_osfhandle(fd));
if (handle == INVALID_HANDLE_VALUE) {
return WindowsError("Failed to get `HANDLE` for file descriptor");
}
if (GetFileType(handle) == FILE_TYPE_PIPE) {
DWORD pipe_mode = PIPE_NOWAIT;
if (SetNamedPipeHandleState(handle, &pipe_mode, nullptr, nullptr)) {
return WindowsError();
}
}
}
return Nothing();
}
void Pipe::ConnectToPipe(const String &PipeName)
{
ClosePipe();
bool Done = false;
while(!Done)
{
_Handle = CreateFile(
PipeName.CString(), // pipe name
GENERIC_READ | // read and write access
GENERIC_WRITE,
0, // no sharing
NULL, // default security attributes
OPEN_EXISTING, // opens existing pipe
0, // default attributes
NULL); // no template file
if(_Handle != INVALID_HANDLE_VALUE)
{
Done = true;
}
Sleep(100);
}
DWORD Mode = PIPE_READMODE_MESSAGE;
BOOL Success = SetNamedPipeHandleState(
_Handle, // pipe handle
&Mode, // new pipe mode
NULL, // don't set maximum bytes
NULL); // don't set maximum time
Assert(Success != FALSE, "SetNamedPipeHandleState failed in Pipe::ConnectToPipe");
}
bool CRemoteCacheLink::EnsureCommandPipeOpen()
{
AutoLocker lock(m_critSec);
if(m_hCommandPipe != INVALID_HANDLE_VALUE)
{
return true;
}
m_hCommandPipe = CreateFile(
GetCacheCommandPipeName(), // pipe name
GENERIC_READ | // read and write access
GENERIC_WRITE,
0, // no sharing
NULL, // default security attributes
OPEN_EXISTING, // opens existing pipe
FILE_FLAG_OVERLAPPED, // default attributes
NULL); // no template file
if (m_hCommandPipe == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PIPE_BUSY)
{
// TSVNCache is running but is busy connecting a different client.
// Do not give up immediately but wait for a few milliseconds until
// the server has created the next pipe instance
if (WaitNamedPipe(GetCacheCommandPipeName(), 50))
{
m_hCommandPipe = CreateFile(
GetCacheCommandPipeName(), // pipe name
GENERIC_READ | // read and write access
GENERIC_WRITE,
0, // no sharing
NULL, // default security attributes
OPEN_EXISTING, // opens existing pipe
FILE_FLAG_OVERLAPPED, // default attributes
NULL); // no template file
}
}
if (m_hCommandPipe != INVALID_HANDLE_VALUE)
{
// The pipe connected; change to message-read mode.
DWORD dwMode;
dwMode = PIPE_READMODE_MESSAGE;
if(!SetNamedPipeHandleState(
m_hCommandPipe, // pipe handle
&dwMode, // new pipe mode
NULL, // don't set maximum bytes
NULL)) // don't set maximum time
{
ATLTRACE("SetNamedPipeHandleState failed");
CloseHandle(m_hCommandPipe);
m_hCommandPipe = INVALID_HANDLE_VALUE;
return false;
}
return true;
}
return false;
}
int main()
{
DWORD mode = PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT;
if (SetNamedPipeHandleState(GetStdHandle(STD_INPUT_HANDLE), &mode, NULL, NULL))
return 0;
return GetLastError();
}
struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
{
struct wpa_ctrl *ctrl;
DWORD mode;
TCHAR name[256];
int i, ret;
ctrl = os_malloc(sizeof(*ctrl));
if (ctrl == NULL)
return NULL;
os_memset(ctrl, 0, sizeof(*ctrl));
#ifdef UNICODE
if (ctrl_path == NULL)
ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX);
else
ret = _snwprintf(name, 256, NAMED_PIPE_PREFIX TEXT("-%S"),
ctrl_path);
#else /* UNICODE */
if (ctrl_path == NULL)
ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX);
else
ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX "-%s",
ctrl_path);
#endif /* UNICODE */
if (os_snprintf_error(256, ret)) {
os_free(ctrl);
return NULL;
}
for (i = 0; i < 10; i++) {
ctrl->pipe = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0,
NULL, OPEN_EXISTING, 0, NULL);
/*
* Current named pipe server side in wpa_supplicant is
* re-opening the pipe for new clients only after the previous
* one is taken into use. This leaves a small window for race
* conditions when two connections are being opened at almost
* the same time. Retry if that was the case.
*/
if (ctrl->pipe != INVALID_HANDLE_VALUE ||
GetLastError() != ERROR_PIPE_BUSY)
break;
WaitNamedPipe(name, 1000);
}
if (ctrl->pipe == INVALID_HANDLE_VALUE) {
os_free(ctrl);
return NULL;
}
mode = PIPE_READMODE_MESSAGE;
if (!SetNamedPipeHandleState(ctrl->pipe, &mode, NULL, NULL)) {
CloseHandle(ctrl->pipe);
os_free(ctrl);
return NULL;
}
return ctrl;
}
//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case ID_BTN_CONNECT:
char addr[100];
GetDlgItemText(hWnd, ID_PIPE_ADDR, addr, 100);
if (strlen(addr) > 0)
{
g_pipeName = "\\\\" + std::string(addr) + "\\pipe\\smpipe";
}
//delete[] addr;
break;
case ID_BTN_SEND:
g_hPipe = CreateFile(g_pipeName.c_str(), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (g_hPipe == INVALID_HANDLE_VALUE || !SetNamedPipeHandleState(g_hPipe, &g_dwMode, NULL, NULL))
break;
GetDlgItemText(hWnd, ID_STR_LINE, g_message, 255);
DWORD dwBytesWritten;
WriteFile(g_hPipe, g_message, 255, &dwBytesWritten, NULL);
CloseHandle(g_hPipe);
break;
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY: //вызывается, когда жмём крестик закрытия
//changed
//очистка ресурсов
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
DWORD ___pipesentmessage(const TCHAR * szSent){
DWORD dwReserved=PIPE_READMODE_MESSAGE;
if (!SetNamedPipeHandleState(hdPipe,&dwReserved,NULL,NULL))
Func_FastPMNTS(_T("SetNamedPipeHandleState() Error! (%ld)\n"),GetLastError());
if (!WriteFile(hdPipe,szSent,(lstrlen(szSent)+1)*sizeof(TCHAR),&dwReserved,NULL))
Func_FastPMNTS(_T("WriteFile() Error! (%ld)\n"),GetLastError());
return GetLastError();
}
int fcgi_init(void)
{
if (!is_initialized) {
#ifndef _WIN32
sa_t sa;
socklen_t len = sizeof(sa);
#endif
zend_hash_init(&fcgi_mgmt_vars, 0, NULL, fcgi_free_mgmt_var_cb, 1);
fcgi_set_mgmt_var("FCGI_MPXS_CONNS", sizeof("FCGI_MPXS_CONNS")-1, "0", sizeof("0")-1);
is_initialized = 1;
#ifdef _WIN32
# if 0
/* TODO: Support for TCP sockets */
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2,0), &wsaData)) {
fprintf(stderr, "Error starting Windows Sockets. Error: %d", WSAGetLastError());
return 0;
}
# endif
if ((GetStdHandle(STD_OUTPUT_HANDLE) == INVALID_HANDLE_VALUE) &&
(GetStdHandle(STD_ERROR_HANDLE) == INVALID_HANDLE_VALUE) &&
(GetStdHandle(STD_INPUT_HANDLE) != INVALID_HANDLE_VALUE)) {
char *str;
DWORD pipe_mode = PIPE_READMODE_BYTE | PIPE_WAIT;
HANDLE pipe = GetStdHandle(STD_INPUT_HANDLE);
SetNamedPipeHandleState(pipe, &pipe_mode, NULL, NULL);
str = getenv("_FCGI_SHUTDOWN_EVENT_");
if (str != NULL) {
HANDLE shutdown_event = (HANDLE) atoi(str);
if (!CreateThread(NULL, 0, fcgi_shutdown_thread,
shutdown_event, 0, NULL)) {
return -1;
}
}
str = getenv("_FCGI_MUTEX_");
if (str != NULL) {
fcgi_accept_mutex = (HANDLE) atoi(str);
}
return is_fastcgi = 1;
} else {
return is_fastcgi = 0;
}
#else
errno = 0;
if (getpeername(0, (struct sockaddr *)&sa, &len) != 0 && errno == ENOTCONN) {
fcgi_setup_signals();
return is_fastcgi = 1;
} else {
return is_fastcgi = 0;
}
#endif
}
return is_fastcgi;
}
// this thread works in a fire-and-forget fashion, it's started and then just runs
static DWORD WINAPI read_named_pipe(void *opaque) {
const char *pipe_name = "\\\\.\\pipe\\tinkerforge-brick-daemon-debug-log";
HANDLE hpipe;
DWORD mode = PIPE_READMODE_MESSAGE;
LogPipeMessage pipe_message;
DWORD bytes_read;
(void)opaque;
append_debug_meta_message("Connecting to Brick Daemon...");
for (;;) {
_debug_connected = 0;
update_status_bar();
for (;;) {
hpipe = CreateFile(pipe_name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hpipe != INVALID_HANDLE_VALUE) {
break;
}
Sleep(250);
}
if (!SetNamedPipeHandleState(hpipe, &mode, NULL, NULL)) {
CloseHandle(hpipe);
continue;
}
_debug_connected = 1;
update_status_bar();
append_debug_meta_message("Connected to Brick Daemon");
for (;;) {
if (!ReadFile(hpipe, &pipe_message, sizeof(pipe_message), &bytes_read, NULL)) {
append_debug_meta_message("Disconnected from Brick Daemon, reconnecting...");
CloseHandle(hpipe);
break;
}
if (bytes_read == sizeof(pipe_message) && pipe_message.length == sizeof(pipe_message)) {
// enforce that strings are NUL-terminated
pipe_message.file[sizeof(pipe_message.file) - 1] = '\0';
pipe_message.function[sizeof(pipe_message.function) - 1] = '\0';
pipe_message.message[sizeof(pipe_message.message) - 1] = '\0';
append_debug_pipe_message(&pipe_message);
}
}
}
return 0;
}
BOOL ipcPipeCltChannel::Connect()
{
BOOL bReturn = FALSE;
if (m_hPipe)
{
bReturn = TRUE;
goto Exit0;
}
do
{
m_hPipe = CreateFile(
m_strPipeName.c_str(),
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
0,
NULL);
if (m_hPipe != INVALID_HANDLE_VALUE)
break;
DWORD dwError = GetLastError();
//LOGA("ipcPipeCltChannel::Connect CreateFile error:%d", dwError);
if (dwError != ERROR_PIPE_BUSY)
{
goto Exit0;
}
// All pipe instances are busy, so wait for 1 second.
if (!WaitNamedPipe(m_strPipeName.c_str(), 1000))
{
goto Exit0;
}
} while (true);
// The pipe connected; change to message-read mode.
DWORD dwMode = PIPE_READMODE_BYTE;
BOOL bSuccess;
bSuccess = SetNamedPipeHandleState(
m_hPipe, // pipe handle
&dwMode, // new pipe mode
NULL, // don't set maximum bytes
NULL); // don't set maximum time
if (!bSuccess)
{
goto Exit0;
}
bReturn = TRUE;
Exit0:
if (!bReturn) m_hPipe = NULL;
return bReturn;
}
static int JaxerStartup(int &argc, char **argv)
{
// tell manager I am up and establish the communication channel for later use
// return 0 on success, none-0 if fails.
// program should terminate if this function fails.
// TODO: we should get this from the cmdline and get rid of the env var
char *pipename = getenv("JAXER_PIPENAME");
if (pipename == NULL) {
gJaxerLog.Log(eFATAL, "Must be launched by Jaxer Server Manager.\n");
fprintf(stderr, "Must be launched by Jaxer Server Manager.\n");
return 1;
}
#ifdef _WIN32
// Manager is waiting for us to connect back to it. Don't keep it waiting.
g_pipe = CreateFile(pipename,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
if (g_pipe == INVALID_HANDLE_VALUE) {
gJaxerLog.Log(eFATAL, "Invalid handle value when creating the pipe");
return 1;
}
// Put pipe into message mode.
DWORD mode = PIPE_READMODE_MESSAGE;
if (!SetNamedPipeHandleState(g_pipe, &mode, NULL, NULL)) {
gJaxerLog.Log(eFATAL, "Unable to put pipe into message mode.");
return 1;
}
#else
// Manager created a Unix-domain socket pair and passed one of the sockets
// as standard input.
g_pipe = 0;
// Let Manager know we're alive.
char byte = 1;
int rc;
do {
rc = send(g_pipe, &byte, 1, 0);
} while (rc < 0 && errno == EINTR);
if (rc < 0) {
gJaxerLog.Log(eFATAL, "Error in sending 'alive status' to Jaxer Manager");
return 1;
} else if (rc == 0) {
gJaxerLog.Log(eFATAL, "Manager stop talking to us immediately");
return 1;
}
#endif
return 0;
}
HRESULT PipeStream::SetState(DWORD* mode, DWORD* max_collections,
DWORD* collect_timeout) {
if (!IsValid())
return E_HANDLE;
if (!SetNamedPipeHandleState(handle_, mode, max_collections, collect_timeout))
return HRESULT_FROM_LAST_ERROR();
return S_OK;
}
PONY_EXTERN_C_BEGIN
/**
* Create an anonymous pipe for communicating with another (most likely child)
* process. Create and return C FDs for the handles and return those via the
* uint32 ptrs provided. The outgoing flag determines whether the pipe handles
* will be oriented for outgoing (near=write) or incoming (near=read).
* Return true if OK, false if not.
*
* This MS Doc is the most generally useful reference on working with
* child processes and pipes:
* https://docs.microsoft.com/en-us/windows/desktop/procthread/creating-a-child-process-with-redirected-input-and-output
*
* Also useful is that anonymous pipes (for child processes in/out/err) are
* just named pipes with special names, and can use the same functions:
* https://msdn.microsoft.com/en-us/library/windows/desktop/aa365787(v=vs.85).aspx
*/
PONY_API uint32_t ponyint_win_pipe_create(uint32_t* near_fd, uint32_t* far_fd, bool outgoing) {
SECURITY_ATTRIBUTES sa;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE; // default to inherit, clear the flag on the near hnd later
HANDLE read_hnd;
HANDLE write_hnd;
if (!CreatePipe(&read_hnd, &write_hnd, &sa, 0)) {
return false;
}
DWORD mode = PIPE_READMODE_BYTE | PIPE_NOWAIT;
if (outgoing) {
SetHandleInformation(write_hnd, HANDLE_FLAG_INHERIT, 0);
SetNamedPipeHandleState(write_hnd, &mode, NULL, NULL);
*near_fd = _open_osfhandle((intptr_t)write_hnd, 0);
*far_fd = _open_osfhandle((intptr_t)read_hnd, 0);
} else {
SetHandleInformation(read_hnd, HANDLE_FLAG_INHERIT, 0);
SetNamedPipeHandleState(read_hnd, &mode, NULL, NULL);
*near_fd = _open_osfhandle((intptr_t)read_hnd, 0);
*far_fd = _open_osfhandle((intptr_t)write_hnd, 0);
}
return true;
}
nsresult
NamedPipeInfo::Connect(const nsACString& aPath)
{
MOZ_ASSERT(PR_GetCurrentThread() == gSocketThread);
HANDLE pipe;
nsAutoCString path(aPath);
pipe = CreateFileA(path.get(),
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
nullptr,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
nullptr);
if (pipe == INVALID_HANDLE_VALUE) {
LOG_NPIO_ERROR("[%p] CreateFile error (%d)", this, GetLastError());
return NS_ERROR_FAILURE;
}
DWORD pipeMode = PIPE_READMODE_MESSAGE;
if (!SetNamedPipeHandleState(pipe, &pipeMode, nullptr, nullptr)) {
LOG_NPIO_ERROR("[%p] SetNamedPipeHandleState error (%d)",
this,
GetLastError());
CloseHandle(pipe);
return NS_ERROR_FAILURE;
}
nsresult rv = mNamedPipeService->AddDataObserver(pipe, this);
if (NS_WARN_IF(NS_FAILED(rv))) {
CloseHandle(pipe);
return rv;
}
HANDLE readEvent = CreateEventA(nullptr, TRUE, TRUE, "NamedPipeRead");
if (NS_WARN_IF(!readEvent || readEvent == INVALID_HANDLE_VALUE)) {
CloseHandle(pipe);
return NS_ERROR_FAILURE;
}
HANDLE writeEvent = CreateEventA(nullptr, TRUE, TRUE, "NamedPipeWrite");
if (NS_WARN_IF(!writeEvent || writeEvent == INVALID_HANDLE_VALUE)) {
CloseHandle(pipe);
CloseHandle(readEvent);
return NS_ERROR_FAILURE;
}
mPipe = pipe;
mReadOverlapped.hEvent = readEvent;
mWriteOverlapped.hEvent = writeEvent;
return NS_OK;
}
PIPECLINETHANDLE NamedPipeClientConnect(char * pName, unsigned long commID, PPIPERECVCB pPipeRecvCB)
{
PIPECLINETHANDLE pipeClientHandle = NULL;
BOOL bFlag = FALSE;
if(pName == NULL || commID <= 0) return pipeClientHandle;
if(!WaitNamedPipe(pName, NMPWAIT_WAIT_FOREVER)) return pipeClientHandle;
{
pipeClientHandle = (PIPECLINETHANDLE)malloc(sizeof(NAMEDPIPECLIENT));
memset(pipeClientHandle, 0, sizeof(NAMEDPIPECLIENT));
pipeClientHandle->pPipeRecvCB = pPipeRecvCB;
pipeClientHandle->commID = commID;
pipeClientHandle->pipeRecvThreadRun = TRUE;
pipeClientHandle->pipeRecvThreadHandle = CreateThread(NULL, 0, PipeClientRecvThreadStart,pipeClientHandle, 0, NULL);
if(!pipeClientHandle->pipeRecvThreadHandle)
{
pipeClientHandle->pipeRecvThreadRun = FALSE;
goto done;
}
pipeClientHandle->hPipe = CreateFile(pName, GENERIC_READ |GENERIC_WRITE,
0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if(INVALID_HANDLE_VALUE == pipeClientHandle->hPipe)
{
pipeClientHandle->isConnected = FALSE;
goto done;
}
{
DWORD dwMode = PIPE_READMODE_MESSAGE | PIPE_NOWAIT;
SetNamedPipeHandleState(pipeClientHandle->hPipe, &dwMode, NULL, NULL);
}
pipeClientHandle->isConnected = TRUE;
{
IPCINTERMSG ipcInterMsg;
ipcInterMsg.interCmdKey = IPC_CONNECT;
ipcInterMsg.interParams.commID = commID;
bFlag = NamedPipeClientGNSend(pipeClientHandle, INTER_MSG, (char *)&ipcInterMsg, sizeof(IPCINTERMSG));
if(!bFlag) goto done;
}
bFlag =TRUE;
}
done:
if(!bFlag && pipeClientHandle)
{
NamedPipeClientDisconnect(pipeClientHandle);
/* free(pipeClientHandle);*/
pipeClientHandle = NULL;
}
return pipeClientHandle;
}
int Cliente::connect() {
HANDLE hThread = NULL;
DWORD dwThreadId = 0;
fSuccess = FALSE;
// Try to open a named pipe; wait for it, if necessary.
while (1)
{
hPipe = CreateFile(
lpszPipename, // pipe name
GENERIC_READ | // read and write access
GENERIC_WRITE,
0, // no sharing
NULL, // default security attributes
OPEN_EXISTING, // opens existing pipe
0, // default attributes
NULL); // no template file
// Break if the pipe handle is valid.
if (hPipe != INVALID_HANDLE_VALUE)
break;
// Exit if an error other than ERROR_PIPE_BUSY occurs.
if (GetLastError() != ERROR_PIPE_BUSY)
{
_tprintf(TEXT("Could not open pipe. GLE=%d\n"), GetLastError());
return -1;
}
// All pipe instances are busy, so wait for 20 seconds.
if (!WaitNamedPipe(lpszPipename, 20000))
{
printf(L"Could not open pipe: 20 second wait timed out.");
return -1;
}
}
// The pipe connected; change to message-read mode.
dwMode = PIPE_READMODE_MESSAGE;
fSuccess = SetNamedPipeHandleState(
hPipe, // pipe handle
&dwMode, // new pipe mode
NULL, // don't set maximum bytes
NULL); // don't set maximum time
if (!fSuccess)
{
_tprintf(TEXT("SetNamedPipeHandleState failed. GLE=%d\n"), GetLastError());
return -1;
}
return 0;
}
BOOL DOKANAPI DokanMountControl(PDOKAN_CONTROL Control) {
HANDLE pipe;
DWORD readBytes;
DWORD pipeMode;
for (;;) {
pipe = CreateFile(DOKAN_CONTROL_PIPE, GENERIC_READ | GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, 0, NULL);
if (pipe != INVALID_HANDLE_VALUE) {
break;
}
DWORD error = GetLastError();
if (error == ERROR_PIPE_BUSY) {
if (!WaitNamedPipe(DOKAN_CONTROL_PIPE, NMPWAIT_USE_DEFAULT_WAIT)) {
DbgPrint("DokanMountControl: DokanMounter service : ERROR_PIPE_BUSY\n");
return FALSE;
}
continue;
} else if (error == ERROR_ACCESS_DENIED) {
DbgPrint("DokanMountControl: Failed to connect DokanMounter service: "
"access denied\n");
return FALSE;
} else {
DbgPrint(
"DokanMountControl: Failed to connect DokanMounter service: %d\n",
GetLastError());
return FALSE;
}
}
pipeMode = PIPE_READMODE_MESSAGE | PIPE_WAIT;
if (!SetNamedPipeHandleState(pipe, &pipeMode, NULL, NULL)) {
DbgPrint("DokanMountControl: Failed to set named pipe state: %d\n",
GetLastError());
CloseHandle(pipe);
return FALSE;
}
if (!TransactNamedPipe(pipe, Control, sizeof(DOKAN_CONTROL), Control,
sizeof(DOKAN_CONTROL), &readBytes, NULL)) {
DbgPrint("DokanMountControl: Failed to transact named pipe: %d\n",
GetLastError());
}
CloseHandle(pipe);
if (Control->Status != DOKAN_CONTROL_FAIL) {
return TRUE;
} else {
return FALSE;
}
}
/*
1.初始化fcgi_mgmt_vars相应的字段,主要是fastcgi协议要求的内容,fcgi_mgmt_vars是一个hashtable
2.标记is_initialized=1
3.fcgi_setup_signal初始化信号
*/
int fcgi_init(void)
{
// 初始化
if (!is_initialized) {
zend_hash_init(&fcgi_mgmt_vars, 0, NULL, fcgi_free_mgmt_var_cb, 1);
// FCGI_MPXS_CONNS是fastcgi协议中规定的字段
// 如果应用不用 多路复用线路（也就是通过每个线路处理并发请求）则为 "0"，其他则为"1"
// come from http://www.myexception.cn/cgi/674116.html
fcgi_set_mgmt_var("FCGI_MPXS_CONNS", sizeof("FCGI_MPXS_CONNS") - 1, "0", sizeof("0")-1);
is_initialized = 1;
// win相关
#ifdef _WIN32
# if 0
/* TODO: Support for TCP sockets */
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2,0), &wsaData)) {
fprintf(stderr, "Error starting Windows Sockets. Error: %d", WSAGetLastError());
return 0;
}
# endif
{
char *str;
DWORD pipe_mode = PIPE_READMODE_BYTE | PIPE_WAIT; // 数据以单独字节的形式从管道中读出 | DWORD pipe_mode = PIPE_READMODE_BYTE | PIPE_WAIT; // 数据以单独字节的形式从管道中读出 | 同步操作在等待的时候挂起线程
HANDLE pipe = GetStdHandle(STD_INPUT_HANDLE);
SetNamedPipeHandleState(pipe, &pipe_mode, NULL, NULL);
str = getenv("_FCGI_SHUTDOWN_EVENT_");
if (str != NULL) {
HANDLE shutdown_event = (HANDLE) atoi(str);
if (!CreateThread(NULL, 0, fcgi_shutdown_thread,
shutdown_event, 0, NULL)) {
return -1;
}
}
str = getenv("_FCGI_MUTEX_");
if (str != NULL) {
fcgi_accept_mutex = (HANDLE) atoi(str);
}
return 1;
}
#else
fcgi_setup_signals();
return 1;
#endif
}
return 1;
}
bool CRemoteCacheLink::InternalEnsurePipeOpen ( CAutoFile& hPipe
, const CString& pipeName) const
{
if (hPipe)
return true;
int tryleft = 2;
while (!hPipe && tryleft--)
{
hPipe = CreateFile(
pipeName, // pipe name
GENERIC_READ | // read and write access
GENERIC_WRITE,
0, // no sharing
NULL, // default security attributes
OPEN_EXISTING, // opens existing pipe
FILE_FLAG_OVERLAPPED, // default attributes
NULL); // no template file
if ((!hPipe) && (GetLastError() == ERROR_PIPE_BUSY))
{
// TGitCache is running but is busy connecting a different client.
// Do not give up immediately but wait for a few milliseconds until
// the server has created the next pipe instance
if (!WaitNamedPipe (pipeName, 50))
{
continue;
}
}
}
if (hPipe)
{
// The pipe connected; change to message-read mode.
DWORD dwMode;
dwMode = PIPE_READMODE_MESSAGE;
if(!SetNamedPipeHandleState(
hPipe, // pipe handle
&dwMode, // new pipe mode
NULL, // don't set maximum bytes
NULL)) // don't set maximum time
{
CTraceToOutputDebugString::Instance()(__FUNCTION__ ": SetNamedPipeHandleState failed");
hPipe.CloseHandle();
}
}
return hPipe;
}
HRESULT NamedPipeChannel::SetMode(DWORD mode) {
// drop unsupported flag
mode &= ~PIPE_NOWAIT;
base::AutoLock guard(lock_);
if (!IsValid())
return E_HANDLE;
if (!SetNamedPipeHandleState(handle_, &mode, nullptr, nullptr))
return HRESULT_FROM_WIN32(GetLastError());
return S_OK;
}
int
set_nonblocking_flag (int desc, bool value)
{
HANDLE h = (HANDLE) _get_osfhandle (desc);
if (h == INVALID_HANDLE_VALUE)
{
errno = EBADF;
return -1;
}
if (GetFileType (h) == FILE_TYPE_PIPE)
{
/* h is a pipe or socket. */
DWORD state;
if (GetNamedPipeHandleState (h, &state, NULL, NULL, NULL, NULL, 0))
{
/* h is a pipe. */
if ((state & PIPE_NOWAIT) != 0)
{
if (value)
return 0;
state &= ~PIPE_NOWAIT;
}
else
{
if (!value)
return 0;
state |= PIPE_NOWAIT;
}
if (SetNamedPipeHandleState (h, &state, NULL, NULL))
return 0;
errno = EINVAL;
return -1;
}
else
{
/* h is a socket. */
int v = value;
return ioctl (desc, FIONBIO, &v);
}
}
else
{
/* The native Windows API does not support non-blocking on regular
files. */
if (!value)
return 0;
errno = ENOTSUP;
return -1;
}
}
StatsServerMessage* NTServerMessage::connectStatsChannel(const char* name)
{
HANDLE hPipe;
int nIndex = 0;
int nTrialCount = 5;
for (nIndex = 0; nIndex < nTrialCount; ++nIndex)
{
DWORD dwAccess = GENERIC_READ | GENERIC_WRITE;
DWORD dwShared = FILE_SHARE_READ | FILE_SHARE_WRITE;
DWORD dwFlags = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED;
hPipe = CreateFile(name,
dwAccess,
dwShared,
NULL, // Security Attribute
OPEN_EXISTING,
dwFlags, // File Attribute
NULL);
if (hPipe != INVALID_HANDLE_VALUE)
break; // Got Connected successfully
if (GetLastError() != ERROR_PIPE_BUSY)
{
// Unable to connect.
return 0;
}
int waitTime = 2000; // 2 seconds
if (!WaitNamedPipe(name, waitTime))
{
// Instance of pipe is not available
return 0;
}
// continue
}
if (hPipe == INVALID_HANDLE_VALUE)
return 0;
DWORD dwPipeMode = PIPE_READMODE_MESSAGE;
BOOL fSuccess = SetNamedPipeHandleState(hPipe,
&dwPipeMode,
NULL, // lpMaxCollectionCount
NULL);// lpCollectDataTimeout
if (!fSuccess)
{
// Unable to setup pipe message option
CloseHandle(hPipe);
return 0;
}
StatsServerMessage* statsMsgChannel = 0;
statsMsgChannel = new StatsServerMessage(hPipe);
return statsMsgChannel;
}
static int uv_set_pipe_handle(uv_pipe_t* handle, HANDLE pipeHandle) {
DWORD mode = PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT;
if (!SetNamedPipeHandleState(pipeHandle, &mode, NULL, NULL)) {
return -1;
}
if (CreateIoCompletionPort(pipeHandle,
LOOP->iocp,
(ULONG_PTR)handle,
0) == NULL) {
return -1;
}
return 0;
}
HANDLE RpcEngine::acceptClient() {
if (!mhServerPipe) {
return NULL;
}
DWORD status;
DWORD nCount;
HANDLE events[2];
nCount = 0;
events[nCount++] = mhStopEvent;
events[nCount++] = mhServerPipe;
status = WaitForMultipleObjects(nCount, events, FALSE, INFINITE);
/* if (status == WAIT_OBJECT_0) {
return NULL;
} else if (status == WAIT_OBJECT_0 +1) {*/
if (WaitForSingleObject(mhStopEvent, 0) == WAIT_OBJECT_0) {
WLog_Print(logger_RPCEngine, WLOG_TRACE, "got shutdown signal");
return NULL;
}
if (WaitForSingleObject(mhServerPipe, 0) == WAIT_OBJECT_0) {
BOOL fConnected;
DWORD dwPipeMode;
fConnected = ConnectNamedPipe(mhServerPipe, NULL);
if (!fConnected)
fConnected = (GetLastError() == ERROR_PIPE_CONNECTED);
if (!fConnected) {
WLog_Print(logger_RPCEngine, WLOG_ERROR, "could not connect client");
return NULL;
}
mhClientPipe = mhServerPipe;
dwPipeMode = PIPE_WAIT;
SetNamedPipeHandleState(mhClientPipe, &dwPipeMode, NULL, NULL);
WLog_Print(logger_RPCEngine, WLOG_TRACE, "connect client with handle %x",mhClientPipe);
return mhClientPipe;
}
return NULL;
}
