def checkReservation(self, port, start_time, end_time):
# check types
if not type(start_time) is datetime.datetime and type(
end_time) is datetime.datetime:
raise error.InvalidRequestError(
'Reservation start and end types must be datetime types')
# sanity checks
if start_time > end_time:
raise error.InvalidRequestError(
'Invalid request: Reverse duration (end time before start time)'
)
now = datetime.datetime.utcnow()
if start_time < now:
delta = now - start_time
stamp = str(start_time).rsplit('.')[0]
raise error.InvalidRequestError(
'Invalid request: Start time in the past (Startime: %s Delta: %s)'
% (stamp, str(delta)))
if start_time > datetime.datetime(2025, 1, 1):
raise error.InvalidRequestError(
'Invalid request: Start time after year 2025')
for (c_port, c_start_time, c_end_time) in self.connections:
if port == c_port:
if self._portOverlap(c_start_time, c_end_time, start_time,
end_time):
raise error.InvalidRequestError(
'Port %s not available in specified time span' % port)
def _checkVLANMatch(self, source_nrm_port, dest_nrm_port):
source_vlan = source_nrm_port.split('.')[-1]
dest_vlan = dest_nrm_port.split('.')[-1]
if source_vlan != dest_vlan:
raise error.InvalidRequestError(
'Cannot create connection between different VLANs (%s/%s).' %
(source_vlan, dest_vlan))
def _checkTiming(self, res_start, res_end):
# check that ports are available in the specified schedule
if res_start in [None, ''] or res_end in [None, '']:
raise error.InvalidRequestError(
'Reservation must specify start and end time (was either None or '
')')
# sanity checks
if res_start > res_end:
raise error.InvalidRequestError(
'Refusing to make reservation with reverse duration')
if res_start < datetime.datetime.utcnow():
raise error.InvalidRequestError(
'Refusing to make reservation with start time in the past')
if res_start > datetime.datetime(2025, 1, 1):
raise error.InvalidRequestError(
'Refusing to make reservation with start time after 2025')
def _checkVLANMatch(self, source_port, dest_port):
source_vlan = source_port.split('=', 1)[1]
dest_vlan = dest_port.split('=', 1)[1]
if source_vlan != dest_vlan:
raise error.InvalidRequestError(
'Cannot create connection between different VLANs.')