Python errno.WSAEINPROGRESS Examples

The following are 2 code examples of errno.WSAEINPROGRESS(). 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 errno , or try the search function .
Example #1
Source File: tcp.py    From Safejumper-for-Desktop with GNU General Public License v2.0 4 votes vote down vote up 
def doConnect(self):
        """
        Initiate the outgoing connection attempt.

        @note: Applications do not need to call this method; it will be invoked
            internally as part of L{IReactorTCP.connectTCP}.
        """
        self.doWrite = self.doConnect
        self.doRead = self.doConnect
        if not hasattr(self, "connector"):
            # this happens when connection failed but doConnect
            # was scheduled via a callLater in self._finishInit
            return

        err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
        if err:
            self.failIfNotConnected(error.getConnectError((err, strerror(err))))
            return

        # doConnect gets called twice.  The first time we actually need to
        # start the connection attempt.  The second time we don't really
        # want to (SO_ERROR above will have taken care of any errors, and if
        # it reported none, the mere fact that doConnect was called again is
        # sufficient to indicate that the connection has succeeded), but it
        # is not /particularly/ detrimental to do so.  This should get
        # cleaned up some day, though.
        try:
            connectResult = self.socket.connect_ex(self.realAddress)
        except socket.error as se:
            connectResult = se.args[0]
        if connectResult:
            if connectResult == EISCONN:
                pass
            # on Windows EINVAL means sometimes that we should keep trying:
            # http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/connect_2.asp
            elif ((connectResult in (EWOULDBLOCK, EINPROGRESS, EALREADY)) or
                  (connectResult == EINVAL and platformType == "win32")):
                self.startReading()
                self.startWriting()
                return
            else:
                self.failIfNotConnected(error.getConnectError((connectResult, strerror(connectResult))))
                return

        # If I have reached this point without raising or returning, that means
        # that the socket is connected.
        del self.doWrite
        del self.doRead
        # we first stop and then start, to reset any references to the old doRead
        self.stopReading()
        self.stopWriting()
        self._connectDone()
Example #2
Source File: tcp.py    From learn_python3_spider with MIT License 4 votes vote down vote up 
def doConnect(self):
        """
        Initiate the outgoing connection attempt.

        @note: Applications do not need to call this method; it will be invoked
            internally as part of L{IReactorTCP.connectTCP}.
        """
        self.doWrite = self.doConnect
        self.doRead = self.doConnect
        if not hasattr(self, "connector"):
            # this happens when connection failed but doConnect
            # was scheduled via a callLater in self._finishInit
            return

        err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
        if err:
            self.failIfNotConnected(error.getConnectError((err, strerror(err))))
            return

        # doConnect gets called twice.  The first time we actually need to
        # start the connection attempt.  The second time we don't really
        # want to (SO_ERROR above will have taken care of any errors, and if
        # it reported none, the mere fact that doConnect was called again is
        # sufficient to indicate that the connection has succeeded), but it
        # is not /particularly/ detrimental to do so.  This should get
        # cleaned up some day, though.
        try:
            connectResult = self.socket.connect_ex(self.realAddress)
        except socket.error as se:
            connectResult = se.args[0]
        if connectResult:
            if connectResult == EISCONN:
                pass
            # on Windows EINVAL means sometimes that we should keep trying:
            # http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/connect_2.asp
            elif ((connectResult in (EWOULDBLOCK, EINPROGRESS, EALREADY)) or
                  (connectResult == EINVAL and platformType == "win32")):
                self.startReading()
                self.startWriting()
                return
            else:
                self.failIfNotConnected(error.getConnectError((connectResult, strerror(connectResult))))
                return

        # If I have reached this point without raising or returning, that means
        # that the socket is connected.
        del self.doWrite
        del self.doRead
        # we first stop and then start, to reset any references to the old doRead
        self.stopReading()
        self.stopWriting()
        self._connectDone()