def recv_handler(self, msg, server, connection):
msg = msg.decode('utf-8')
logger.debug('RECV: %s', msg.replace(CR, '\n'))
# Logic here - parse the message HL7
# perform required validation
# Send ack / error message that message received.
# If enhanced mode, do the requisite steps to store then ack
try:
msg = hl7.parse(msg)
except:
logger.exception('Error parsing message')
if self.postmortem:
pdb.post_mortem()
resp = responses.hl7NAK('AE', 'UNABLE TO PARSE REQUEST')
logger.debug('SEND: %s', unicode(resp).replace(CR, '\n'))
server._write_frame(connection, unicode(resp).encode('utf-8'))
return
try:
# DISPATCH MESSAGE HERE. Expect an acknowledgement response message -
resp = self.dispatcher.dispatch(msg)
if resp is None:
raise Exception('Application returned and invalid response (None) - response required')
logger.debug('SEND: %s', unicode(resp).replace(CR, '\n'))
server._write_frame(connection, unicode(resp).encode('utf-8'))
return
except:
logger.exception('Error dispatching message')
if self.postmortem:
pdb.post_mortem()
resp = responses.hl7NAK('AE', 'INTERNAL ERROR PROCESSING REQUEST')
logger.debug('SEND: %s', unicode(resp).replace(CR, '\n'))
server._write_frame(connection, unicode(resp).encode('utf-8'))
return
def dispatch(self, request):
path = '%s/%s/%s' % (unicode(request['MSH'][0][8]),
request['MSH'][0][4], request['MSH'][0][5])
for pattern in self.root:
match = pattern.regex.search(path)
if match:
kwargs = match.groupdict()
if kwargs:
args = ()
else:
args = match.groups()
# In both cases, pass any extra_kwargs as **kwargs.
kwargs.update(pattern.kwargs)
return pattern.callback(request, args, kwargs)
return responses.hl7NAK('AE', 'No handler configured to handle request %s, app %s, facility %s' %
(unicode(request['MSH'][0][8]), request['MSH'][0][4], request['MSH'][0][5]))
def dispatch(self, request):
path = '%s/%s/%s' % (unicode(
request['MSH'][0][8]), request['MSH'][0][4], request['MSH'][0][5])
for pattern in self.root:
match = pattern.regex.search(path)
if match:
kwargs = match.groupdict()
if kwargs:
args = ()
else:
args = match.groups()
# In both cases, pass any extra_kwargs as **kwargs.
kwargs.update(pattern.kwargs)
return pattern.callback(request, args, kwargs)
return responses.hl7NAK(
'AE',
'No handler configured to handle request %s, app %s, facility %s' %
(unicode(request['MSH'][0][8]), request['MSH'][0][4],
request['MSH'][0][5]))