Python errno.WSAEINTR屬性代碼示例

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def write(self, datagram, addr=None):
        """
        Write a datagram.

        @param addr: should be a tuple (ip, port), can be None in connected
        mode.
        """
        if self._connectedAddr:
            assert addr in (None, self._connectedAddr)
            try:
                return self.socket.send(datagram)
            except socket.error, se:
                no = se.args[0]
                if no == errno.WSAEINTR:
                    return self.write(datagram)
                elif no == errno.WSAEMSGSIZE:
                    raise error.MessageLengthError, "message too long"
                elif no in (errno.WSAECONNREFUSED, errno.WSAECONNRESET,
                            ERROR_CONNECTION_REFUSED, ERROR_PORT_UNREACHABLE):
                    self.protocol.connectionRefused()
                else:
                    raise 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def doRead(self):
        """
        Called when my socket is ready for reading.
        """
        read = 0
        while read < self.maxThroughput:
            try:
                data, addr = self.socket.recvfrom(self.maxPacketSize)
            except socket.error, se:
                no = se.args[0]
                if no in (EAGAIN, EINTR, EWOULDBLOCK):
                    return
                if (no == ECONNREFUSED) or (platformType == "win32" and no == WSAECONNRESET):
                    if self._connectedAddr:
                        self.protocol.connectionRefused()
                else:
                    raise
            else:
                read += len(data)
                try:
                    self.protocol.datagramReceived(data, addr)
                except:
                    log.err() 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def writeSomeData(self, data):
        """
        Write as much as possible of the given data to this TCP connection.

        This sends up to C{self.SEND_LIMIT} bytes from C{data}.  If the
        connection is lost, an exception is returned.  Otherwise, the number
        of bytes successfully written is returned.
        """
        try:
            # Limit length of buffer to try to send, because some OSes are too
            # stupid to do so themselves (ahem windows)
            return self.socket.send(buffer(data, 0, self.SEND_LIMIT))
        except socket.error, se:
            if se.args[0] == EINTR:
                return self.writeSomeData(data)
            elif se.args[0] in (EWOULDBLOCK, ENOBUFS):
                return 0
            else:
                return main.CONNECTION_LOST 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def doRead(self):
        """Called when my socket is ready for reading."""
        read = 0
        while read < self.maxThroughput:
            try:
                data, addr = self.socket.recvfrom(self.maxPacketSize)
            except socket.error, se:
                no = se.args[0]
                if no in (EAGAIN, EINTR, EWOULDBLOCK):
                    return
                if (no == ECONNREFUSED) or (platformType == "win32" and no == WSAECONNRESET):
                    if self._connectedAddr:
                        self.protocol.connectionRefused()
                else:
                    raise
            else:
                read += len(data)
                try:
                    self.protocol.datagramReceived(data, addr)
                except:
                    log.err() 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def write(self, datagram, addr=None):
        """Write a datagram.

        @param addr: should be a tuple (ip, port), can be None in connected mode.
        """
        if self._connectedAddr:
            assert addr in (None, self._connectedAddr)
            try:
                return self.socket.send(datagram)
            except socket.error, se:
                no = se.args[0]
                if no == EINTR:
                    return self.write(datagram)
                elif no == EMSGSIZE:
                    raise error.MessageLengthError, "message too long"
                elif no == ECONNREFUSED:
                    self.protocol.connectionRefused()
                else:
                    raise 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def _is_interrupted(errcode):
        # Also test for the Windows equivalent of EINTR.
        errcode == errno.EINTR or hasattr(errno, "WSAEINTR") and errcode == errno.WSAEINTR 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def start_open_files_server(self):
        self.open_files_server.setsockopt(socket.SOL_SOCKET,
                                          socket.SO_REUSEADDR, 1)
        port = select_port(default_port=OPEN_FILES_PORT)
        CONF.set('main', 'open_files_port', port)
        self.open_files_server.bind(('127.0.0.1', port))
        self.open_files_server.listen(20)
        while 1:  # 1 is faster than True
            try:
                req, dummy = self.open_files_server.accept()
            except socket.error as e:
                # See Issue 1275 for details on why errno EINTR is
                # silently ignored here.
                eintr = errno.WSAEINTR if os.name == 'nt' else errno.EINTR
                # To avoid a traceback after closing on Windows
                if e.args[0] == eintr:
                    continue
                # handle a connection abort on close error
                enotsock = (errno.WSAENOTSOCK if os.name == 'nt'
                            else errno.ENOTSOCK)
                if e.args[0] in [errno.ECONNABORTED, enotsock]:
                    return
                raise
            fname = req.recv(1024)
            fname = fname.decode('utf-8')
            self.sig_open_external_file.emit(fname)
            req.sendall(b' ')

    # ---- Quit and restart, and reset spyder defaults 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def write(self, datagram, addr=None):
        """
        Write a datagram.

        @type datagram: C{str}
        @param datagram: The datagram to be sent.

        @type addr: C{tuple} containing C{str} as first element and C{int} as
            second element, or C{None}
        @param addr: A tuple of (I{stringified dotted-quad IP address},
            I{integer port number}); can be C{None} in connected mode.
        """
        if self._connectedAddr:
            assert addr in (None, self._connectedAddr)
            try:
                return self.socket.send(datagram)
            except socket.error, se:
                no = se.args[0]
                if no == EINTR:
                    return self.write(datagram)
                elif no == EMSGSIZE:
                    raise error.MessageLengthError, "message too long"
                elif no == ECONNREFUSED:
                    self.protocol.connectionRefused()
                else:
                    raise 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def _sendCloseAlert(self):
        # Okay, *THIS* is a bit complicated.

        # Basically, the issue is, OpenSSL seems to not actually return
        # errors from SSL_shutdown. Therefore, the only way to
        # determine if the close notification has been sent is by
        # SSL_shutdown returning "done". However, it will not claim it's
        # done until it's both sent *and* received a shutdown notification.

        # I don't actually want to wait for a received shutdown
        # notification, though, so, I have to set RECEIVED_SHUTDOWN
        # before calling shutdown. Then, it'll return True once it's
        # *SENT* the shutdown.

        # However, RECEIVED_SHUTDOWN can't be left set, because then
        # reads will fail, breaking half close.

        # Also, since shutdown doesn't report errors, an empty write call is
        # done first, to try to detect if the connection has gone away.
        # (*NOT* an SSL_write call, because that fails once you've called
        # shutdown)
        try:
            os.write(self.socket.fileno(), '')
        except OSError, se:
            if se.args[0] in (EINTR, EWOULDBLOCK, ENOBUFS):
                return 0
            # Write error, socket gone
            return main.CONNECTION_LOST 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def _sendCloseAlert(self):
        # Okay, *THIS* is a bit complicated.
        
        # Basically, the issue is, OpenSSL seems to not actually return
        # errors from SSL_shutdown. Therefore, the only way to
        # determine if the close notification has been sent is by 
        # SSL_shutdown returning "done". However, it will not claim it's
        # done until it's both sent *and* received a shutdown notification.

        # I don't actually want to wait for a received shutdown
        # notification, though, so, I have to set RECEIVED_SHUTDOWN
        # before calling shutdown. Then, it'll return True once it's
        # *SENT* the shutdown.

        # However, RECEIVED_SHUTDOWN can't be left set, because then
        # reads will fail, breaking half close.

        # Also, since shutdown doesn't report errors, an empty write call is
        # done first, to try to detect if the connection has gone away.
        # (*NOT* an SSL_write call, because that fails once you've called
        # shutdown)
        try:
            os.write(self.socket.fileno(), '')
        except OSError, se:
            if se.args[0] in (EINTR, EWOULDBLOCK, ENOBUFS):
                return 0
            # Write error, socket gone
            return main.CONNECTION_LOST 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def _syscall_wrapper(func, recalc_timeout, *args, **kwargs):
        """ Wrapper function for syscalls that could fail due to EINTR.
        All functions should be retried if there is time left in the timeout
        in accordance with PEP 475. """
        timeout = kwargs.get("timeout", None)
        if timeout is None:
            expires = None
            recalc_timeout = False
        else:
            timeout = float(timeout)
            if timeout < 0.0:  # Timeout less than 0 treated as no timeout.
                expires = None
            else:
                expires = monotonic() + timeout

        args = list(args)
        if recalc_timeout and "timeout" not in kwargs:
            raise ValueError(
                "Timeout must be in args or kwargs to be recalculated")

        result = _SYSCALL_SENTINEL
        while result is _SYSCALL_SENTINEL:
            try:
                result = func(*args, **kwargs)
            # OSError is thrown by select.select
            # IOError is thrown by select.epoll.poll
            # select.error is thrown by select.poll.poll
            # Aren't we thankful for Python 3.x rework for exceptions?
            except (OSError, IOError, select.error) as e:
                # select.error wasn't a subclass of OSError in the past.
                errcode = None
                if hasattr(e, "errno"):
                    errcode = e.errno
                elif hasattr(e, "args"):
                    errcode = e.args[0]

                # Also test for the Windows equivalent of EINTR.
                is_interrupt = (errcode == errno.EINTR or (hasattr(errno, "WSAEINTR") and
                                                           errcode == errno.WSAEINTR))

                if is_interrupt:
                    if expires is not None:
                        current_time = monotonic()
                        if current_time > expires:
                            raise OSError(errno=errno.ETIMEDOUT)
                        if recalc_timeout:
                            if "timeout" in kwargs:
                                kwargs["timeout"] = expires - current_time
                    continue
                if errcode:
                    raise SelectorError(errcode)
                else:
                    raise
        return result 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def _syscall_wrapper(func, recalc_timeout, *args, **kwargs):
    """ Wrapper function for syscalls that could fail due to EINTR.
    All functions should be retried if there is time left in the timeout
    in accordance with PEP 475. """
    timeout = kwargs.get("timeout", None)
    if timeout is None:
        expires = None
        recalc_timeout = False
    else:
        timeout = float(timeout)
        if timeout < 0.0:  # Timeout less than 0 treated as no timeout.
            expires = None
        else:
            expires = monotonic() + timeout

    args = list(args)
    if recalc_timeout and "timeout" not in kwargs:
        raise ValueError(
            "Timeout must be in args or kwargs to be recalculated")

    result = _SYSCALL_SENTINEL
    while result is _SYSCALL_SENTINEL:
        try:
            result = func(*args, **kwargs)
        # OSError is thrown by select.select
        # IOError is thrown by select.epoll.poll
        # select.error is thrown by select.poll.poll
        # Aren't we thankful for Python 3.x rework for exceptions?
        except (OSError, IOError, select.error) as e:
            # select.error wasn't a subclass of OSError in the past.
            errcode = None
            if hasattr(e, "errno"):
                errcode = e.errno
            elif hasattr(e, "args"):
                errcode = e.args[0]

            # Also test for the Windows equivalent of EINTR.
            is_interrupt = (errcode == errno.EINTR or (hasattr(errno, "WSAEINTR") and
                                                       errcode == errno.WSAEINTR))

            if is_interrupt:
                if expires is not None:
                    current_time = monotonic()
                    if current_time > expires:
                        raise OSError(errno=errno.ETIMEDOUT)
                    if recalc_timeout:
                        if "timeout" in kwargs:
                            kwargs["timeout"] = expires - current_time
                continue
            if errcode:
                raise SelectorError(errcode)
            else:
                raise
    return result 

# 需要導入模塊: import errno [as 別名]
# 或者: from errno import WSAEINTR [as 別名]
def write(self, datagram, addr=None):
        """
        Write a datagram.

        @param addr: should be a tuple (ip, port), can be None in connected
        mode.
        """
        if self._connectedAddr:
            assert addr in (None, self._connectedAddr)
            try:
                return self.socket.send(datagram)
            except socket.error as se:
                no = se.args[0]
                if no == errno.WSAEINTR:
                    return self.write(datagram)
                elif no == errno.WSAEMSGSIZE:
                    raise error.MessageLengthError("message too long")
                elif no in (errno.WSAECONNREFUSED, errno.WSAECONNRESET,
                            ERROR_CONNECTION_REFUSED, ERROR_PORT_UNREACHABLE):
                    self.protocol.connectionRefused()
                else:
                    raise
        else:
            assert addr != None
            if (not isIPAddress(addr[0]) and not isIPv6Address(addr[0])
                    and addr[0] != "<broadcast>"):
                raise error.InvalidAddressError(
                    addr[0],
                    "write() only accepts IP addresses, not hostnames")
            if isIPAddress(addr[0]) and self.addressFamily == socket.AF_INET6:
                raise error.InvalidAddressError(
                    addr[0], "IPv6 port write() called with IPv4 address")
            if isIPv6Address(addr[0]) and self.addressFamily == socket.AF_INET:
                raise error.InvalidAddressError(
                    addr[0], "IPv4 port write() called with IPv6 address")
            try:
                return self.socket.sendto(datagram, addr)
            except socket.error as se:
                no = se.args[0]
                if no == errno.WSAEINTR:
                    return self.write(datagram, addr)
                elif no == errno.WSAEMSGSIZE:
                    raise error.MessageLengthError("message too long")
                elif no in (errno.WSAECONNREFUSED, errno.WSAECONNRESET,
                            ERROR_CONNECTION_REFUSED, ERROR_PORT_UNREACHABLE):
                    # in non-connected UDP ECONNREFUSED is platform dependent,
                    # I think and the info is not necessarily useful.
                    # Nevertheless maybe we should call connectionRefused? XXX
                    return
                else:
                    raise