def _get_fake_timestamp(self, after, before):
"""
Pick a time in an interval.
Picks a microsecond after `after`, else a microsecond before `before`.
Input and output values are ISO format strings.
"""
# Just pick the time at the beginning of the interval.
if after:
# Add a microsecond to 'after'
return add_microseconds(after, 1)
else:
# Subtract a microsecond from 'before'
return add_microseconds(before, -1)
def _reorder_within_dumps(self):
"""
Fix the timestamp of a validation event if an enrollment event occurs during the dump.
"""
num_events = len(self.sorted_events) - 1
for index in range(num_events):
event = self.sorted_events[index]
prev_event = self.sorted_events[index + 1]
is_nonvalidate_during_validate = (
event.event_type == VALIDATED and
prev_event.event_type != VALIDATED and
event.is_during_dump(prev_event.timestamp)
)
if is_nonvalidate_during_validate:
is_active_is_inconsistent = (
(event.is_active and prev_event.event_type == DEACTIVATED) or
(not event.is_active and prev_event.event_type == ACTIVATED)
)
mode_is_inconsistent = (event.mode != prev_event.mode and prev_event.event_type == MODE_CHANGED)
if is_active_is_inconsistent or mode_is_inconsistent:
# Change the timestamp of the validation event to precede
# the other event, and swap them.
event.timestamp = add_microseconds(prev_event.timestamp, -1)
self.sorted_events[index] = prev_event
self.sorted_events[index + 1] = event
def _validated(self, timestamp, is_active, created, mode=None, dump_duration_in_secs=300):
"""Creates a VALIDATED event."""
dump_end = timestamp
dump_start = add_microseconds(timestamp, int(dump_duration_in_secs) * -100000)
validation_info = {
'is_active': is_active,
'created': created,
'dump_start': dump_start,
'dump_end': dump_end,
}
return (timestamp, VALIDATED, mode or self.mode, validation_info)
def _validated(self, timestamp, is_active, created, mode=None, dump_duration_in_secs=300):
"""Creates a VALIDATED event."""
dump_end = timestamp
dump_start = add_microseconds(timestamp, int(dump_duration_in_secs) * -100000)
validation_info = {
'is_active': is_active,
'created': created,
'dump_start': dump_start,
'dump_end': dump_end,
}
return (timestamp, VALIDATED, mode or self.mode, validation_info)