base.py 文件源码

def connect_ex(self, address):
        if self.act_non_blocking:
            return self.fd.connect_ex(address)
        fd = self.fd
        if self.gettimeout() is None:
            while not socket_connect(fd, address):
                try:
                    self._trampoline(fd, write=True)
                    socket_checkerr(fd)
                except socket.error as ex:
                    return get_errno(ex)
                except IOClosed:
                    return errno.EBADFD
        else:
            end = time.time() + self.gettimeout()
            while True:
                try:
                    if socket_connect(fd, address):
                        return 0
                    if time.time() >= end:
                        raise socket.timeout(errno.EAGAIN)
                    self._trampoline(fd, write=True, timeout=end - time.time(),
                                     timeout_exc=socket.timeout(errno.EAGAIN))
                    socket_checkerr(fd)
                except socket.error as ex:
                    return get_errno(ex)
                except IOClosed:
                    return errno.EBADFD