Python errno.WSAEADDRINUSE属性代码示例

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def run(self, timeout):
        if len(self.readSet) == 0 and len(self.writeSet) ==0:
            time.sleep(timeout)
            return []
        else:
            while True:
                try:
                    readReady, writeReady, exceptReady = select(self.readSet, self.writeSet, [], timeout)
                    events = []
                    for r in readReady:
                        events.append(_Event(r, EventType.READ))
                    for r in writeReady:
                        events.append(_Event(r, EventType.WRITE))
                    return events
                except error as why:
                    if os.name == 'posix':
                        if why[0] != errno.EAGAIN and why[0] != errno.EINTR:
                            break
                    else:
                        if why[0] == errno.WSAEADDRINUSE:
                            break 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def __init__(self):
        # Based on Zope select_trigger.py:
        # https://github.com/zopefoundation/Zope/blob/master/src/ZServer/medusa/thread/select_trigger.py

        self.writer = socket.socket()
        # Disable buffering -- pulling the trigger sends 1 byte,
        # and we want that sent immediately, to wake up ASAP.
        self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

        count = 0
        while 1:
            count += 1
            # Bind to a local port; for efficiency, let the OS pick
            # a free port for us.
            # Unfortunately, stress tests showed that we may not
            # be able to connect to that port ("Address already in
            # use") despite that the OS picked it.  This appears
            # to be a race bug in the Windows socket implementation.
            # So we loop until a connect() succeeds (almost always
            # on the first try).  See the long thread at
            # http://mail.zope.org/pipermail/zope/2005-July/160433.html
            # for hideous details.
            a = socket.socket()
            a.bind(("127.0.0.1", 0))
            a.listen(1)
            connect_address = a.getsockname()  # assigned (host, port) pair
            try:
                self.writer.connect(connect_address)
                break    # success
            except socket.error as detail:
                if (not hasattr(errno, 'WSAEADDRINUSE') or
                        detail[0] != errno.WSAEADDRINUSE):
                    # "Address already in use" is the only error
                    # I've seen on two WinXP Pro SP2 boxes, under
                    # Pythons 2.3.5 and 2.4.1.
                    raise
                # (10048, 'Address already in use')
                # assert count <= 2 # never triggered in Tim's tests
                if count >= 10:  # I've never seen it go above 2
                    a.close()
                    self.writer.close()
                    raise socket.error("Cannot bind trigger!")
                # Close `a` and try again.  Note:  I originally put a short
                # sleep() here, but it didn't appear to help or hurt.
                a.close()

        self.reader, addr = a.accept()
        self.reader.setblocking(0)
        self.writer.setblocking(0)
        a.close()
        self.reader_fd = self.reader.fileno() 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def __init__(self, map):
            _triggerbase.__init__(self)

            # Get a pair of connected sockets.  The trigger is the 'w'
            # end of the pair, which is connected to 'r'.  'r' is put
            # in the asyncore socket map.  "pulling the trigger" then
            # means writing something on w, which will wake up r.

            w = socket.socket()
            # Disable buffering -- pulling the trigger sends 1 byte,
            # and we want that sent immediately, to wake up asyncore's
            # select() ASAP.
            w.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

            count = 0
            while True:
                count += 1
                # Bind to a local port; for efficiency, let the OS pick
                # a free port for us.
                # Unfortunately, stress tests showed that we may not
                # be able to connect to that port ("Address already in
                # use") despite that the OS picked it.  This appears
                # to be a race bug in the Windows socket implementation.
                # So we loop until a connect() succeeds (almost always
                # on the first try).  See the long thread at
                # http://mail.zope.org/pipermail/zope/2005-July/160433.html
                # for hideous details.
                a = socket.socket()
                a.bind(("127.0.0.1", 0))
                connect_address = a.getsockname() # assigned (host, port) pair
                a.listen(1)
                try:
                    w.connect(connect_address)
                    break # success
                except socket.error as detail:
                    if detail[0] != errno.WSAEADDRINUSE:
                        # "Address already in use" is the only error
                        # I've seen on two WinXP Pro SP2 boxes, under
                        # Pythons 2.3.5 and 2.4.1.
                        raise
                    # (10048, 'Address already in use')
                    # assert count <= 2 # never triggered in Tim's tests
                    if count >= 10: # I've never seen it go above 2
                        a.close()
                        w.close()
                        raise RuntimeError("Cannot bind trigger!")
                    # Close `a` and try again.  Note:  I originally put a short
                    # sleep() here, but it didn't appear to help or hurt.
                    a.close()

            r, addr = a.accept() # r becomes asyncore's (self.)socket
            a.close()
            self.trigger = w
            asyncore.dispatcher.__init__(self, r, map=map) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def __init__(self):
        # Based on Zope async.py: http://svn.zope.org/zc.ngi/trunk/src/zc/ngi/async.py

        self.writer = socket.socket()
        # Disable buffering -- pulling the trigger sends 1 byte,
        # and we want that sent immediately, to wake up ASAP.
        self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

        count = 0
        while 1:
            count += 1
            # Bind to a local port; for efficiency, let the OS pick
            # a free port for us.
            # Unfortunately, stress tests showed that we may not
            # be able to connect to that port ("Address already in
            # use") despite that the OS picked it.  This appears
            # to be a race bug in the Windows socket implementation.
            # So we loop until a connect() succeeds (almost always
            # on the first try).  See the long thread at
            # http://mail.zope.org/pipermail/zope/2005-July/160433.html
            # for hideous details.
            a = socket.socket()
            a.bind(("127.0.0.1", 0))
            a.listen(1)
            connect_address = a.getsockname()  # assigned (host, port) pair
            try:
                self.writer.connect(connect_address)
                break    # success
            except socket.error as detail:
                if (not hasattr(errno, 'WSAEADDRINUSE') or
                        detail[0] != errno.WSAEADDRINUSE):
                    # "Address already in use" is the only error
                    # I've seen on two WinXP Pro SP2 boxes, under
                    # Pythons 2.3.5 and 2.4.1.
                    raise
                # (10048, 'Address already in use')
                # assert count <= 2 # never triggered in Tim's tests
                if count >= 10:  # I've never seen it go above 2
                    a.close()
                    self.writer.close()
                    raise socket.error("Cannot bind trigger!")
                # Close `a` and try again.  Note:  I originally put a short
                # sleep() here, but it didn't appear to help or hurt.
                a.close()

        self.reader, addr = a.accept()
        self.reader.setblocking(0)
        self.writer.setblocking(0)
        a.close()
        self.reader_fd = self.reader.fileno() 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def __init__(self):
        from .auto import set_close_exec
        # Based on Zope select_trigger.py:
        # https://github.com/zopefoundation/Zope/blob/master/src/ZServer/medusa/thread/select_trigger.py

        self.writer = socket.socket()
        set_close_exec(self.writer.fileno())
        # Disable buffering -- pulling the trigger sends 1 byte,
        # and we want that sent immediately, to wake up ASAP.
        self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

        count = 0
        while 1:
            count += 1
            # Bind to a local port; for efficiency, let the OS pick
            # a free port for us.
            # Unfortunately, stress tests showed that we may not
            # be able to connect to that port ("Address already in
            # use") despite that the OS picked it.  This appears
            # to be a race bug in the Windows socket implementation.
            # So we loop until a connect() succeeds (almost always
            # on the first try).  See the long thread at
            # http://mail.zope.org/pipermail/zope/2005-July/160433.html
            # for hideous details.
            a = socket.socket()
            set_close_exec(a.fileno())
            a.bind(("127.0.0.1", 0))
            a.listen(1)
            connect_address = a.getsockname()  # assigned (host, port) pair
            try:
                self.writer.connect(connect_address)
                break    # success
            except socket.error as detail:
                if (not hasattr(errno, 'WSAEADDRINUSE') or
                        errno_from_exception(detail) != errno.WSAEADDRINUSE):
                    # "Address already in use" is the only error
                    # I've seen on two WinXP Pro SP2 boxes, under
                    # Pythons 2.3.5 and 2.4.1.
                    raise
                # (10048, 'Address already in use')
                # assert count <= 2 # never triggered in Tim's tests
                if count >= 10:  # I've never seen it go above 2
                    a.close()
                    self.writer.close()
                    raise socket.error("Cannot bind trigger!")
                # Close `a` and try again.  Note:  I originally put a short
                # sleep() here, but it didn't appear to help or hurt.
                a.close()

        self.reader, addr = a.accept()
        set_close_exec(self.reader.fileno())
        self.reader.setblocking(0)
        self.writer.setblocking(0)
        a.close()
        self.reader_fd = self.reader.fileno() 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def __init__(self):
        # Based on Zope async.py: http://svn.zope.org/zc.ngi/trunk/src/zc/ngi/async.py

        self.writer = socket.socket()
        # Disable buffering -- pulling the trigger sends 1 byte,
        # and we want that sent immediately, to wake up ASAP.
        self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

        count = 0
        while 1:
            count += 1
            # Bind to a local port; for efficiency, let the OS pick
            # a free port for us.
            # Unfortunately, stress tests showed that we may not
            # be able to connect to that port ("Address already in
            # use") despite that the OS picked it.  This appears
            # to be a race bug in the Windows socket implementation.
            # So we loop until a connect() succeeds (almost always
            # on the first try).  See the long thread at
            # http://mail.zope.org/pipermail/zope/2005-July/160433.html
            # for hideous details.
            a = socket.socket()
            a.bind(("127.0.0.1", 0))
            a.listen(1)
            connect_address = a.getsockname()  # assigned (host, port) pair
            try:
                self.writer.connect(connect_address)
                break    # success
            except socket.error, detail:
                if (not hasattr(errno, 'WSAEADDRINUSE') or
                    detail[0] != errno.WSAEADDRINUSE):
                    # "Address already in use" is the only error
                    # I've seen on two WinXP Pro SP2 boxes, under
                    # Pythons 2.3.5 and 2.4.1.
                    raise
                # (10048, 'Address already in use')
                # assert count <= 2 # never triggered in Tim's tests
                if count >= 10:  # I've never seen it go above 2
                    a.close()
                    self.writer.close()
                    raise socket.error("Cannot bind trigger!")
                # Close `a` and try again.  Note:  I originally put a short
                # sleep() here, but it didn't appear to help or hurt.
                a.close() 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import WSAEADDRINUSE [as 别名]
def __init__(self):
        # Based on Zope async.py: http://svn.zope.org/zc.ngi/trunk/src/zc/ngi/async.py

        self.writer = socket.socket()
        # Disable buffering -- pulling the trigger sends 1 byte,
        # and we want that sent immediately, to wake up ASAP.
        self.writer.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

        count = 0
        while 1:
            count += 1
            # Bind to a local port; for efficiency, let the OS pick
            # a free port for us.
            # Unfortunately, stress tests showed that we may not
            # be able to connect to that port ("Address already in
            # use") despite that the OS picked it.  This appears
            # to be a race bug in the Windows socket implementation.
            # So we loop until a connect() succeeds (almost always
            # on the first try).  See the long thread at
            # http://mail.zope.org/pipermail/zope/2005-July/160433.html
            # for hideous details.
            a = socket.socket()
            a.bind(("127.0.0.1", 0))
            connect_address = a.getsockname()  # assigned (host, port) pair
            a.listen(1)
            try:
                self.writer.connect(connect_address)
                break    # success
            except socket.error, detail:
                if detail[0] != errno.WSAEADDRINUSE:
                    # "Address already in use" is the only error
                    # I've seen on two WinXP Pro SP2 boxes, under
                    # Pythons 2.3.5 and 2.4.1.
                    raise
                # (10048, 'Address already in use')
                # assert count <= 2 # never triggered in Tim's tests
                if count >= 10:  # I've never seen it go above 2
                    a.close()
                    self.writer.close()
                    raise socket.error("Cannot bind trigger!")
                # Close `a` and try again.  Note:  I originally put a short
                # sleep() here, but it didn't appear to help or hurt.
                a.close()