def handle_bind(self, P):
"""
Used by the server to handle the incoming bind request
"""
print("Received PDU: " + P.__class__.__name__)
pdu = dict(
BindTransmitter=dict(state=SessionState.BOUND_TX, response=BindTransmitterResp),
BindReceiver=dict(state=SessionState.BOUND_RX, response=BindReceiverResp),
BindTransceiver=dict(state=SessionState.BOUND_TRX, response=BindTransceiverResp)
)
#Validating the Credentials and sending response
if(P.__class__.__name__ == BindTransmitter or BindReceiver or BindTransceiver):
validate = self.server_validate_method(P.system_id.value, P.password.value, P.system_type.value)
if(validate == 'True'):
self.validation_status = 'success'
self.user_id = P.system_id.value.decode(encoding='ascii')
print(" Logged in Client is : " + self.user_id)
self.state = pdu[P.__class__.__name__]['state']
R = pdu[P.__class__.__name__]['response']()
R.sequence_number = Integer(P.sequence_number.value, 4)
R.system_id = CString(P.system_id.value)
data = R.encode()
self.socket.send(data)
else:
self.validation_status = 'fail'
R = GenericNack()
R.sequence_number = Integer(P.sequence_number.value, 4)
R.command_status = Integer(command_status.ESME_RBINDFAIL, 4)
data = R.encode()
self.socket.send(data)
def handle_pdu(self):
"""
This method check for client request and calls appropriate methods to handle it.
"""
isempty = (self.pdus and True) or False
if isempty is not False:
seq_no, pdu = self.pdus.popitem()
if pdu['resp'] == '':
P = pdu['req']
if(command_ids.bind_transmitter == P.command_id.value):
self.handle_bind(P)
elif(command_ids.bind_receiver == P.command_id.value):
self.handle_bind(P)
elif(command_ids.bind_transceiver == P.command_id.value):
self.handle_bind(P)
elif command_ids.submit_sm == P.command_id.value:
self.process_sms(P)
elif command_ids.submit_multi == P.command_id.value:
self.process_multiple_sms(P)
elif(command_ids.query_sm == P.command_id.value):
self.process_query(P)
elif(command_ids.cancel_sm == P.command_id.value):
self.process_sms_cancelling(P)
elif(command_ids.replace_sm == P.command_id.value):
self.process_replace_sms(P)
elif(command_ids.enquire_link == P.command_id.value):
self.enquire_link_response(P)
elif(command_ids.unbind == P.command_id.value):
self.handle_unbind(P)
else:
R = GenericNack()
R.sequence_number = Integer(P.sequence_number.value, 4)
R.command_status = Integer(command_status.ESME_RINVCMDID, 4)
self.socket.send(R.encode())
def handle_pdu(self, P):
"""
Given a PDU P, calls appropriate methods to handle it.
"""
if command_ids.submit_sm == P.command_id.value:
self.process_sms(P)
elif(command_ids.query_sm == P.command_id.value):
self.process_query(P)
elif(command_ids.cancel_sm == P.command_id.value):
self.process_sms_cancelling(P)
elif(command_ids.replace_sm == P.command_id.value):
self.process_replace_sms(P)
elif(command_ids.enquire_link == P.command_id.value):
self.enquire_link_response(P)
else:
R = GenericNack()
R.sequence_number = Integer(P.sequence_number.value, 4)
R.command_status = Integer(command_status.ESME_RINVCMDID, 4)
self.socket.send(R.encode())
def test_02_generic_nack_decode():
"Test Generic_Nack decoding"
data = b'\x00\x00\x00\x10\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'
P = GenericNack.decode(data)
assert '00 00 00 10 80 00 00 00 00 00 00 00 00 00 00 01 ' == hex_convert(P.encode(), 150)
def test_01_generic_nack_encode():
"Test Generic_Nack encoding"
P = GenericNack()
assert '00 00 00 10 80 00 00 00 00 00 00 00 00 00 00 01 ' == hex_convert(P.encode(), 150)
