def db_exists(self):
import os.path
if hasattr(pyco, 'pyco_home'):
db_file = '%s/%s' % (pyco.pyco_home, DEVICE_REPO)
else:
db_file = '/tmp/%s' % DEVICE_REPO
try:
if not os.path.isfile(db_file):
log.debug('creating cache [%s] ...' % db_file)
self.createDB('sqlite://%s' % db_file)
except Exception as e:
log.error('fatal error: %s' % e)
def patternMatch(self, target, checkPoint, patternsExt, maxWaitTime):
target.currentEvent = Event('do-nothing-event')
log.debug("entering patternMatch, checkpoint is [%s]" % (checkPoint))
log.debug("exactPatternMatch [%s]" % target.exactPatternMatch)
response = ''
while not (checkPoint (target) or target.currentEvent.isTimeout()):
patterns = target.patterns(target.state) + patternsExt
# expect and match
try:
log.debug("[%s] matching [%s]" % (target.state, patterns))
#log.debug("PRE exp before: [%s] - after: [%s]" % (self.pipe.before, self.pipe.after))
if target.exactPatternMatch:
index = self.pipe.expect_exact(patterns, maxWaitTime)
else:
index = self.pipe.expect(patterns, maxWaitTime)
try:
target.currentEvent = Event(target.get_event(patterns[index]))
except Exception as e:
if patterns[index] == TIMEOUT:
log.debug("[%s]: exception timeout triggered" % target.name)
target.currentEvent = Event('timeout', propagateToFsm = True)
else:
log.error("[%s]: event not registered for pattern: [%s]" % (target.name, patterns[index]))
raise
log.debug("matched [%s] pattern [%s] --> [%s]" % (index, patterns[index], target.currentEvent.name))
log.debug("before: [%s] - after: [%s]" % (self.pipe.before, self.pipe.after))
except EOF:
log.debug("[%s] connection unexpectedly closed (%s)" % (target.name, self.pipe.before))
target.currentEvent = Event('eof')
except TIMEOUT:
log.debug("[%s] connection timed out, unmatched output: [%s]" % (target.name, self.pipe.before))
target.currentEvent = Event('timeout')
#log.debug("detected event [%s]" % target.currentEvent)
if target.has_event_handlers(target.currentEvent):
log.debug("[%s] got [%s] event; invoking handlers: [%s]" % (target.name, target.currentEvent.name, target.get_event_handlers(target.currentEvent)))
for eh in target.get_event_handlers(target.currentEvent):
eh(target)
stateChanged = target.process(target.currentEvent)
response += self.pipe.before
if isinstance(self.pipe.after, str) and not target.currentEvent.isPromptMatch():
response += self.pipe.after
return response
def patternMatch(self, target, checkPoint, patternsExt, maxWaitTime):
target.currentEvent = Event('do-nothing-event')
log.debug("entering patternMatch, checkpoint is [%s]" % (checkPoint))
log.debug("exactPatternMatch [%s]" % target.exactPatternMatch)
response = ''
while not (checkPoint(target) or target.currentEvent.isTimeout()):
patterns = target.patterns(target.state) + patternsExt
# expect and match
try:
log.debug("[%s] matching [%s]" % (target.state, patterns))
#log.debug("PRE exp before: [%s] - after: [%s]" % (self.pipe.before, self.pipe.after))
if target.exactPatternMatch:
index = self.pipe.expect_exact(patterns, maxWaitTime)
else:
index = self.pipe.expect(patterns, maxWaitTime)
try:
target.currentEvent = Event(
target.get_event(patterns[index]))
except Exception as e:
if patterns[index] == TIMEOUT:
log.debug("[%s]: exception timeout triggered" %
target.name)
target.currentEvent = Event('timeout',
propagateToFsm=True)
else:
log.error(
"[%s]: event not registered for pattern: [%s]" %
(target.name, patterns[index]))
raise
log.debug("matched [%s] pattern [%s] --> [%s]" %
(index, patterns[index], target.currentEvent.name))
log.debug("before: [%s] - after: [%s]" %
(self.pipe.before, self.pipe.after))
except EOF:
log.debug("[%s] connection unexpectedly closed (%s)" %
(target.name, self.pipe.before))
target.currentEvent = Event('eof')
except TIMEOUT:
log.debug("[%s] connection timed out, unmatched output: [%s]" %
(target.name, self.pipe.before))
target.currentEvent = Event('timeout')
#log.debug("detected event [%s]" % target.currentEvent)
if target.has_event_handlers(target.currentEvent):
log.debug("[%s] got [%s] event; invoking handlers: [%s]" %
(target.name, target.currentEvent.name,
target.get_event_handlers(target.currentEvent)))
for eh in target.get_event_handlers(target.currentEvent):
eh(target)
stateChanged = target.process(target.currentEvent)
response += self.pipe.before
if isinstance(self.pipe.after,
str) and not target.currentEvent.isPromptMatch():
response += self.pipe.after
return response
