Python win32pipe.PeekNamedPipe() Examples

The following are 23 code examples of win32pipe.PeekNamedPipe(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module win32pipe , or try the search function .
Example #1
Source File: _pollingfile.py    From python-for-android with Apache License 2.0 6 votes vote down vote up 
def checkWork(self):
        finished = 0
        fullDataRead = []

        while 1:
            try:
                buffer, bytesToRead, result = win32pipe.PeekNamedPipe(self.pipe, 1)
                # finished = (result == -1)
                if not bytesToRead:
                    break
                hr, data = win32file.ReadFile(self.pipe, bytesToRead, None)
                fullDataRead.append(data)
            except win32api.error:
                finished = 1
                break

        dataBuf = ''.join(fullDataRead)
        if dataBuf:
            self.receivedCallback(dataBuf)
        if finished:
            self.cleanup()
        return len(dataBuf)
Example #2
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None
            
            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception):
                if geterror()[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
            
            if self.universal_newlines:
                # Translate newlines. For Python 3.x assume read is text.
                # If bytes then another solution is needed.
                read = read.replace("\r\n", "\n").replace("\r", "\n")
            return read
Example #3
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None
            
            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception):
                if geterror()[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
            
            if self.universal_newlines:
                # Translate newlines. For Python 3.x assume read is text.
                # If bytes then another solution is needed.
                read = read.replace("\r\n", "\n").replace("\r", "\n")
            return read
Example #4
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None
            
            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception):
                if geterror()[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
            
            if self.universal_newlines:
                # Translate newlines. For Python 3.x assume read is text.
                # If bytes then another solution is needed.
                read = read.replace("\r\n", "\n").replace("\r", "\n")
            return read
Example #5
Source File: subprocessng.py    From EasY_HaCk with Apache License 2.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
Example #6
Source File: TestCmd.py    From android-xmrig-miner with GNU General Public License v3.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            #if self.universal_newlines:
            #    read = self._translate_newlines(read)
Example #7
Source File: subprocessng.py    From POC-EXP with GNU General Public License v3.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
Example #8
Source File: _pollingfile.py    From BitTorrent with GNU General Public License v3.0 6 votes vote down vote up 
def checkWork(self):
        finished = 0
        fullDataRead = []

        while 1:
            try:
                buffer, bytesToRead, result = win32pipe.PeekNamedPipe(self.pipe, 1)
                # finished = (result == -1)
                if not bytesToRead:
                    break
                hr, data = win32file.ReadFile(self.pipe, bytesToRead, None)
                fullDataRead.append(data)
            except win32api.error:
                finished = 1
                break

        dataBuf = ''.join(fullDataRead)
        if dataBuf:
            self.receivedCallback(dataBuf)
        if finished:
            self.cleanup()
        return len(dataBuf)
Example #9
Source File: _pollingfile.py    From Safejumper-for-Desktop with GNU General Public License v2.0 6 votes vote down vote up 
def checkWork(self):
        finished = 0
        fullDataRead = []

        while 1:
            try:
                buffer, bytesToRead, result = win32pipe.PeekNamedPipe(self.pipe, 1)
                # finished = (result == -1)
                if not bytesToRead:
                    break
                hr, data = win32file.ReadFile(self.pipe, bytesToRead, None)
                fullDataRead.append(data)
            except win32api.error:
                finished = 1
                break

        dataBuf = b''.join(fullDataRead)
        if dataBuf:
            self.receivedCallback(dataBuf)
        if finished:
            self.cleanup()
        return len(dataBuf)
Example #10
Source File: TestCmd.py    From kawalpemilu2014 with GNU Affero General Public License v3.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            #if self.universal_newlines:
            #    read = self._translate_newlines(read)
Example #11
Source File: TestCmd.py    From gyp with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception) as why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            #if self.universal_newlines:
            #    read = self._translate_newlines(read)
            return read
Example #12
Source File: TestCmd.py    From gyp with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception) as why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            #if self.universal_newlines:
            #    read = self._translate_newlines(read)
            return read
Example #13
Source File: _pollingfile.py    From learn_python3_spider with MIT License 6 votes vote down vote up 
def checkWork(self):
        finished = 0
        fullDataRead = []

        while 1:
            try:
                buffer, bytesToRead, result = win32pipe.PeekNamedPipe(self.pipe, 1)
                # finished = (result == -1)
                if not bytesToRead:
                    break
                hr, data = win32file.ReadFile(self.pipe, bytesToRead, None)
                fullDataRead.append(data)
            except win32api.error:
                finished = 1
                break

        dataBuf = b''.join(fullDataRead)
        if dataBuf:
            self.receivedCallback(dataBuf)
        if finished:
            self.cleanup()
        return len(dataBuf)
Example #14
Source File: windows.py    From syncthing-gtk with GNU General Public License v2.0 6 votes vote down vote up 
def _peek(self):
		if self._closed:
			return False
		# Check if there is anything to read and read if available
		(read, nAvail, nMessage) = win32pipe.PeekNamedPipe(self._osfhandle, 0)
		if nAvail >= self._buffer_size:
			data = self._pipe.read(self._buffer_size)
			self._buffer += data
		# If there is read_async callback and buffer has some data,
		# send them right away
		if not self._waits_for_read is None and len(self._buffer) > 0:
			r = WinPopenReader.Results(self._buffer)
			self._buffer = ""
			callback, data = self._waits_for_read
			self._waits_for_read = None
			callback(self, r, *data)
			GLib.idle_add(self._peek)
			return False
		GLib.timeout_add_seconds(1, self._peek)
		return False
Example #15
Source File: subprocessng.py    From NoobSec-Toolkit with GNU General Public License v2.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
Example #16
Source File: subprocessng.py    From NoobSec-Toolkit with GNU General Public License v2.0 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except (ValueError, NameError):
                return self._close(which)
            except (subprocess.pywintypes.error, Exception), why:
                if why[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise
Example #17
Source File: TestCmd.py    From GYP3 with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def _recv(self, which, maxsize):
            conn, maxsize = self.get_conn_maxsize(which, maxsize)
            if conn is None:
                return None

            try:
                x = msvcrt.get_osfhandle(conn.fileno())
                (read, nAvail, nMessage) = PeekNamedPipe(x, 0)
                if maxsize < nAvail:
                    nAvail = maxsize
                if nAvail > 0:
                    (errCode, read) = ReadFile(x, nAvail, None)
            except ValueError:
                return self._close(which)
            except (subprocess.pywintypes.error, Exception) as why:
                if why.args[0] in (109, errno.ESHUTDOWN):
                    return self._close(which)
                raise

            # if self.universal_newlines:
            #    read = self._translate_newlines(read)
            return read
Example #18
Source File: platform_windows.py    From scalyr-agent-2 with Apache License 2.0 5 votes vote down vote up 
def peek(self):
            """Returns the number of bytes available for reading without blocking.

            @return A two values, the first the number of bytes, and the second, an error code.  An error code
            of zero indicates there was no error.

            @rtype (int, int)
            """
            result = win32pipe.PeekNamedPipe(self.__pipe_handle, 1024)
            if result:
                return result[1], 0
            else:
                return 0, 1
Example #19
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 5 votes vote down vote up 
def PeekNamedPipe(handle, desired_bytes):
            c_avail = DWORD()
            c_message = DWORD()
            if desired_bytes > 0:
                c_read = DWORD()
                buffer = ctypes.create_string_buffer(desired_bytes+1)
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, buffer, desired_bytes, ctypes.byref(c_read), ctypes.byref(c_avail), ctypes.byref(c_message))
                buffer[c_read.value] = null_byte
                return decode(buffer.value), c_avail.value, c_message.value
            else:
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, None, desired_bytes, None, ctypes.byref(c_avail), ctypes.byref(c_message))
                return "", c_avail.value, c_message.value
Example #20
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 5 votes vote down vote up 
def PeekNamedPipe(handle, desired_bytes):
            c_avail = DWORD()
            c_message = DWORD()
            if desired_bytes > 0:
                c_read = DWORD()
                buffer = ctypes.create_string_buffer(desired_bytes+1)
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, buffer, desired_bytes, ctypes.byref(c_read), ctypes.byref(c_avail), ctypes.byref(c_message))
                buffer[c_read.value] = null_byte
                return decode(buffer.value), c_avail.value, c_message.value
            else:
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, None, desired_bytes, None, ctypes.byref(c_avail), ctypes.byref(c_message))
                return "", c_avail.value, c_message.value
Example #21
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 5 votes vote down vote up 
def PeekNamedPipe(handle, desired_bytes):
            c_avail = DWORD()
            c_message = DWORD()
            if desired_bytes > 0:
                c_read = DWORD()
                buffer = ctypes.create_string_buffer(desired_bytes+1)
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, buffer, desired_bytes, ctypes.byref(c_read), ctypes.byref(c_avail), ctypes.byref(c_message))
                buffer[c_read.value] = null_byte
                return decode(buffer.value), c_avail.value, c_message.value
            else:
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, None, desired_bytes, None, ctypes.byref(c_avail), ctypes.byref(c_message))
                return "", c_avail.value, c_message.value
Example #22
Source File: async_sub.py    From fxxkpython with GNU General Public License v3.0 5 votes vote down vote up 
def PeekNamedPipe(handle, desired_bytes):
            c_avail = DWORD()
            c_message = DWORD()
            if desired_bytes > 0:
                c_read = DWORD()
                buffer = ctypes.create_string_buffer(desired_bytes+1)
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, buffer, desired_bytes, ctypes.byref(c_read), ctypes.byref(c_avail), ctypes.byref(c_message))
                buffer[c_read.value] = null_byte
                return decode(buffer.value), c_avail.value, c_message.value
            else:
                success = ctypes.windll.kernel32.PeekNamedPipe(handle, None, desired_bytes, None, ctypes.byref(c_avail), ctypes.byref(c_message))
                return "", c_avail.value, c_message.value
Example #23
Source File: TestCmd.py    From GYP3 with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def PeekNamedPipe(hPipe, size):
            assert size == 0
            bytesAvail = DWORD()
            bErr = ctypes.windll.kernel32.PeekNamedPipe(
                hPipe, None, size, None, ctypes.byref(bytesAvail), None)
            if not bErr:
                raise ctypes.WinError()
            return ("", bytesAvail.value, None)