def get_ipap_message_auction(self, auction: Auction, use_ipv6: bool, s_address: str, port: int,
message: IpapMessage):
"""
Updates the ipap_message given as parameter with the infomation of the auction
:param auction: auction to include in the message
:param use_ipv6: whether or not it use ipv6
:param s_address: source address
:param port: source port
:param message: ipap message to modify an include the information.
"""
auction_template_id = auction.get_auction_data_template()
auction_template = self.ipap_template_container.get_template(auction_template_id)
message.make_template(auction_template)
option_template_id = auction.get_option_auction_template()
option_template = self.ipap_template_container.get_template(option_template_id)
# Following lines are used for inserting only non mandatory fields
mandatory_fields = option_template.get_template_type_mandatory_field(option_template.get_type())
optional_fields = self.get_non_mandatory_fields(auction.action, mandatory_fields)
option_template.set_max_fields(option_template.get_num_fields() + len(optional_fields))
for field in optional_fields:
ipap_field = self.field_container.get_field(field.get_eno(), field.get_ftype())
option_template.add_field(ipap_field.get_length(), UnknownField.KNOWN, True, ipap_field)
message.make_template(option_template)
self.include_auction_templates(auction_template, auction, message)
self.include_auction_data_record(auction_template, auction, message,
use_ipv6, s_address, port)
self.include_option_data_record(option_template, auction, message)
def include_options_record(self, template: IpapTemplate,
bidding_object: BiddingObject, record_id: str,
start: datetime, stop: datetime,
config_params: dict, message: IpapMessage):
ipap_record = IpapDataRecord(obj=None,
templ_id=template.get_template_id())
# Insert the auction id field.
self.insert_string_field('auctionid', bidding_object.get_parent_key(),
ipap_record)
# Insert the bidding object id field.
self.insert_string_field('biddingobjectid', bidding_object.get_key(),
ipap_record)
# Add the Record Id
self.insert_string_field('recordid', record_id, ipap_record)
# Add the start time - Unix time is seconds from 1970-1-1 .
self.insert_datetime_field('start', start, ipap_record)
# Add the end time.
self.insert_datetime_field('stop', stop, ipap_record)
# Adds non mandatory fields.
mandatory_fields = template.get_template_type_mandatory_field(
template.get_type())
self.include_non_mandatory_fields(mandatory_fields, config_params,
ipap_record)
message.include_data(template.get_template_id(), ipap_record)
def include_option_data_record(self, template: IpapTemplate, auction: Auction, message: IpapMessage):
"""
Inserts templates associated with the auction
:param template auction template
:param auction auction being included in the message.
:param message: message being built.
:return:
"""
ipap_options_record = IpapDataRecord(obj=None, templ_id=template.get_template_id())
# Add the auction Id
self.insert_string_field('auctionid', auction.get_key(), ipap_options_record)
# Add the Record Id
self.insert_string_field('recordid', "Record_1", ipap_options_record)
# Add the action
self.insert_string_field('algoritmname', auction.action.name, ipap_options_record)
# Adds non mandatory fields.
mandatory_fields = template.get_template_type_mandatory_field(TemplateType.IPAP_OPTNS_AUCTION_TEMPLATE)
config_params = auction.action.get_config_params()
self.include_non_mandatory_fields(mandatory_fields, config_params, ipap_options_record)
message.include_data(template.get_template_id(), ipap_options_record)
def include_data_record(self, template: IpapTemplate, allocation: Allocation, record_id: str,
config_params: dict, message: IpapMessage):
ipap_data_record = IpapDataRecord(obj=None, templ_id=template.get_template_id())
# Insert the auction id field.
self.insert_string_field('auctionid', allocation.get_auction_key(), ipap_data_record)
# Insert the bidding object id field.
self.insert_string_field('biddingobjectid', allocation.get_bid_key(), ipap_data_record)
# Insert the allocation id field.
self.insert_string_field('allocationid', allocation.get_key(), ipap_data_record)
# Add the Record Id
self.insert_string_field('recordid', record_id, ipap_data_record)
# Add the Status
self.insert_integer_field('status', allocation.get_state().value, ipap_data_record)
# Add bidding_object type
self.insert_integer_field('biddingobjecttype', allocation.get_type().value, ipap_data_record)
# Adds non mandatory fields.
mandatory_fields = template.get_template_type_mandatory_field(template.get_type())
self.include_non_mandatory_fields(mandatory_fields, config_params, ipap_data_record)
# Include the data record in the message.
message.include_data(template.get_template_id(), ipap_data_record)
def test_import(self):
print('In test import')
self.ipap_message2.set_syn(True)
self.ipap_message2.set_seqno(300)
self.ipap_message2.output()
str_msg = self.ipap_message2.get_message()
ipap_message3 = IpapMessage(1, 1, True, str_msg)
str_msg = 'aqui estoy'
with self.assertRaises(ValueError):
ipap_message4 = IpapMessage(1, 1, True, str_msg)
def include_auction_templates(self, template: IpapTemplate, auction: Auction, message: IpapMessage):
"""
Inserts templates associated with the auction
:param template auction template
:param auction auction being included in the message.
:param message: message being built.
:return:
"""
for i in range(1, ObjectType.IPAP_MAX_OBJECT_TYPE.value):
list_types = template.get_object_template_types(ObjectType(i))
for templ_type in list_types:
templ_id = auction.get_bidding_object_template(ObjectType(i), templ_type)
message.make_template(self.ipap_template_container.get_template(templ_id))
def read_data_records(message: IpapMessage, templ_id: int) -> list:
"""
Reads the data record list from a message
templ_id : template identifier.
:return: list of data records within the message.
"""
size = message.get_data_record_size()
list_return = []
for i in range(0, size):
data_record = message.get_data_record_at_pos(i)
if data_record.get_template_id() == templ_id:
list_return.append(data_record)
return list_return
def read_template(message: IpapMessage,
template_type: TemplateType) -> IpapTemplate:
"""
Reads a template type from a message.
:return: Ipap Template
"""
temp_list = message.get_template_list()
for id_template in temp_list:
template = message.get_template_object(id_template)
if template.get_type() == template_type:
return template
raise ValueError("Template not found")
def build_syn_ack_message(self, sequence_nbr: int, ack_nbr: int) -> IpapMessage:
"""
Builds an ack to respond syn_ack message
:param sequence_nbr: sequence number for the message
:param ack_nbr: ack number to send within the message
:return:
"""
print('build syn ack message {0}.{1}'.format(str(sequence_nbr), str(ack_nbr)))
message = IpapMessage(domain_id=int(self.domain), ipap_version=IpapMessage.IPAP_VERSION, _encode_network=True)
message.set_syn(True)
message.set_ack(True)
message.set_seqno(sequence_nbr)
message.set_ack_seq_no(ack_nbr)
return message
def parse(self, ipap_message: IpapMessage, ipap_template_container: IpapTemplateContainer):
"""
Parsers the ipap message to get the auctions given.
:param ipap_message: ipap message to parse
:param ipap_template_container: template container with templates registered for a particular server.
:return:
"""
auction_ret = []
# Splits the message by object.
object_templates, object_data_records, templates_not_related = self.split(ipap_message)
# insert new templates not related (for example bidding templates to use for the auction) to the object.
for template_id in templates_not_related:
if not ipap_template_container.exists_template(template_id):
template = templates_not_related[template_id]
self.logger.debug("From domain {0} arriving template: {1} - num_fields {2}".format(
str(ipap_message.get_domain()),
str(template_id),
str(template.get_num_fields())))
ipap_template_container.add_template(template)
# loop through data records and parse the auction data
for object_key in object_data_records:
if object_key.get_object_type() == ObjectType.IPAP_AUCTION:
auction = self.parse_auction(object_key, object_templates[object_key], object_data_records[object_key],
ipap_template_container)
auction_ret.append(auction)
return auction_ret
async def handle_ack(self, server_connection: ServerConnection,
ipap_message: IpapMessage):
"""
The agent received a message witn the ack flag active, it can be a auction message or a disconnect
message
:param server_connection: websocket and aiohttp session created for the connection
:param ipap_message: message sent from the server.
"""
self.logger.debug('start method handle_ack')
# verifies ack sequence number
ack_seqno = ipap_message.get_ackseqno()
# verifies the connection state
if server_connection.state == ServerConnectionState.FIN_WAIT_1:
try:
server_connection.get_auction_session().confirm_message(ack_seqno)
server_connection.set_state(ServerConnectionState.FIN_WAIT_2)
except ValueError:
self.logger.info("A msg with ack nbr not expected was received, ignoring it")
else:
from auction_client.auction_client_handler import HandleAuctionMessage
when = 0
handle_auction_message = HandleAuctionMessage(server_connection, ipap_message, when)
handle_auction_message.start()
self.logger.debug('End method handle_ack -new state: {0}'.format(str(server_connection.get_state())))
async def handle_ack(self, session: AuctionSession,
ipap_message: IpapMessage):
"""
Handles the arrival of a ack message.
:param session: session that is handling the connection
:param ipap_message: message sent from the server.
:return:
"""
self.logger.debug('starting handle_ack')
from auction_server.auction_server_handler import HandleAuctionMessage
# verifies ack sequence number
ack_seqno = ipap_message.get_ackseqno()
# verifies the connection state
if session.get_connection().state == ClientConnectionState.SYN_RCVD:
try:
session.confirm_message(ack_seqno)
session.get_connection().set_state(
ClientConnectionState.ESTABLISHED)
self.logger.info('New established connection')
except ValueError:
self.logger.info(
"The message ack is not the expected, so ignore the message"
)
# verifies the connection state is in fin wait 1
elif session.get_connection(
).state == ClientConnectionState.FIN_WAIT_1:
try:
session.confirm_message(ack_seqno)
session.get_connection().set_state(
ClientConnectionState.FIN_WAIT_2)
except ValueError:
self.logger.info(
"A msg with ack nbr not expected was received, ignoring it"
)
elif session.get_connection().state == ClientConnectionState.LAST_ACK:
try:
session.get_connection().set_state(
ClientConnectionState.CLOSED)
self.logger.info("The connection has been closed")
except ValueError:
self.logger.info(
"The message ack is not the expected, so ignore the message"
)
else:
when = 0
handle_auction_message = HandleAuctionMessage(
session, ipap_message, when)
handle_auction_message.start()
self.logger.debug('Ending handle_ack')
async def handle_syn(self, session: AuctionSession,
ipap_message: IpapMessage):
"""
Handles the arrival of a syn message.
:param session: session that is handling the connection
:param ipap_message: message sent from the server.
:return:
"""
self.logger.debug("starting handle_syn")
# verifies the connection state
if session.get_connection().state == ClientConnectionState.LISTEN:
# send the ack message establishing the session.
message = self.build_syn_ack_message(session.get_next_message_id(),
ipap_message.get_seqno())
session.add_pending_message(message)
await self.send_message(session.get_connection(),
message.get_message())
session.get_connection().set_state(ClientConnectionState.SYN_RCVD)
else:
# The server is not in syn sent state, so ignore the message
self.logger.info(
"a message with syn was received, but the session \
is not in LISTEN. Ignoring the message")
self.logger.debug("Ending handle_syn")
def is_auction_message(msg: str) -> IpapMessage:
"""
Establishes whether the given message is a valid auction message.
:param msg: message to verify
:return: An IpapMessage if it is a valid message, raise ValueError otherwise.
"""
return IpapMessage(0, 0, True, msg)
def get_ipap_message(self, auctions: list, use_ipv6: bool, s_address: str, port: int) -> IpapMessage:
"""
Gets an ipap_message to transfer the information of the auctions given as parameter.
:param auctions: List of auctions to convert to a message
:param use_ipv6: whether or not it use ipv6
:param s_address: source address
:param port: source port
:return: ipap message with auction information.
"""
message = IpapMessage(self.domain, IpapMessage.IPAP_VERSION, True)
for auction in auctions:
self.get_ipap_message_auction(auction, use_ipv6, s_address, port, message)
message.output()
return message
def build_ack_message(self, sequence_nbr: int, ack_nbr: int) -> IpapMessage:
"""
Builds an ack to respond other messages
:param sequence_nbr: sequence number for the message
:param ack_nbr: ack number to send within the message
:return:
"""
message = IpapMessage(domain_id=int(self.domain), ipap_version=IpapMessage.IPAP_VERSION, _encode_network=True)
message.set_ack(True)
message.set_seqno(sequence_nbr)
message.set_ack_seq_no(ack_nbr)
return message
def build_fin_message(self, sequence_nbr: int, ack_nbr: int) -> IpapMessage:
"""
Builds a fin message to teardown a connection
:param sequence_nbr: sequence number for the message
:param ack_nbr: ack number to send within the message
:return: message with the fin flag set
"""
message = IpapMessage(domain_id=int(self.domain), ipap_version=IpapMessage.IPAP_VERSION, _encode_network=True)
message.set_fin(True)
message.set_seqno(sequence_nbr)
message.set_ack_seq_no(ack_nbr)
return message
async def handle_syn_ack_message(self, server_connection: ServerConnection,
ipap_message: IpapMessage):
"""
Establishes the session
:param server_connection: websocket and aiohttp session created for the connection
:param ipap_message: message sent from the server.
:return:
"""
self.logger.debug("Starting handle_syn_ack_message")
# verifies ack sequence number
ack_seqno = ipap_message.get_ackseqno()
self.logger.debug("ack_seqno:{0}".format(str(ack_seqno)))
# verifies the connection state
if server_connection.state == ServerConnectionState.SYN_SENT:
try:
server_connection.get_auction_session().confirm_message(ack_seqno)
# send the ack message establishing the session.
syn_ack_message = self.build_ack_message(server_connection.get_auction_session().get_next_message_id(),
ipap_message.get_seqno())
msg = syn_ack_message.get_message()
await self.send_message(server_connection, msg)
# puts the connection as established.
server_connection.set_state(ServerConnectionState.ESTABLISHED)
self.logger.info("Connection established with server")
except ValueError:
self.logger.error("Invalid ack nbr from the server, the session is going to be teardown")
await self._disconnect_socket(server_connection)
self.auction_session_manager.del_session(server_connection.get_auction_session().get_key())
else:
# The server is not in syn sent state, so ignore the message
self.logger.info("a message with syn and ack was received, but the session \
is not in SYN_SENT. Ignoring the message")
self.logger.debug("Ending handle_syn_ack_message")
def get_ipap_message(self, bidding_object: BiddingObject, auction: Auction,
template_container: IpapTemplateContainer,
message: IpapMessage):
if bidding_object.get_parent_key() != auction.get_key():
raise ValueError(
"the auction is not the same as the one referenced in the bidding object"
)
# Find both templates types for the bidding object.
tempType = IpapTemplate.get_data_template(
bidding_object.get_template_object_type())
data_template_id = auction.get_bidding_object_template(
bidding_object.get_template_object_type(), tempType)
tempType = IpapTemplate.get_opts_template(
bidding_object.get_template_object_type())
option_template_id = auction.get_bidding_object_template(
bidding_object.get_template_object_type(), tempType)
# Insert BiddingObject's templates.
data_template = template_container.get_template(data_template_id)
message.make_template(data_template)
option_template = template_container.get_template(option_template_id)
message.make_template(option_template)
# Include data records.
for element_name in bidding_object.elements:
config_params = bidding_object.elements[element_name]
self.include_data_record(data_template, bidding_object,
element_name, config_params, message)
# Include option records.
for option_name in bidding_object.options:
interval = bidding_object.calculate_interval(option_name)
config_params = bidding_object.options[option_name]
self.include_options_record(option_template, bidding_object,
option_name, interval.start,
interval.stop, config_params, message)
def include_options_record(self, template: IpapTemplate, allocation: Allocation, record_id: str,
start: datetime, stop: datetime, message: IpapMessage):
ipap_record = IpapDataRecord(obj=None, templ_id=template.get_template_id())
# Insert the auction id field.
self.insert_string_field('auctionid', allocation.get_auction_key(), ipap_record)
# Insert the bidding object id field.
self.insert_string_field('biddingobjectid', allocation.get_bid_key(), ipap_record)
# Insert the allocation id field.
self.insert_string_field('allocationid', allocation.get_key(), ipap_record)
# Add the Record Id
self.insert_string_field('recordid', record_id, ipap_record)
# Add the start time - Unix time is seconds from 1970-1-1 .
self.insert_datetime_field('start', start, ipap_record)
# Add the end time.
self.insert_datetime_field('stop', stop, ipap_record)
message.include_data(template.get_template_id(), ipap_record)
def build_syn_message(self, sequence_nbr: int) -> IpapMessage:
"""
Builds a syn message to start a connection
:param sequence_nbr: sequence number for the message
:return: message with the syn flag set
"""
message = IpapMessage(domain_id=int(self.domain), ipap_version=IpapMessage.IPAP_VERSION, _encode_network=True)
message.set_syn(True)
message.set_seqno(sequence_nbr)
return message
def get_ipap_message(
self, bidding_objects: List[BiddingObject],
template_container: IpapTemplateContainer) -> IpapMessage:
"""
get the ipap_message that contains all the bidding objects within the list given
:param bidding_objects: bidding objects to include in the message.
:param template_container: container with all the registered templates
:return: ipap_message with the information
"""
ipap_bidding_object_parser = IpapBiddingObjectParser(self.domain)
message = IpapMessage(self.domain, IpapMessage.IPAP_VERSION, True)
auction_manager = AuctionManager(self.domain)
for bidding_object in bidding_objects:
auction = auction_manager.get_auction(
bidding_object.get_parent_key())
ipap_bidding_object_parser.get_ipap_message(
bidding_object, auction, template_container, message)
return message
def test_read_data_records(self):
ipap_message = IpapMessage(1, 1, False)
template_id = ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
ipap_message.add_field(template_id, 0, 30)
ipap_data_record = IpapDataRecord(templ_id=template_id)
ipap_field_value1 = IpapValueField()
value = 12231213
ipap_field_value1.set_value_uint64(value)
# Replace the value
ipap_data_record.insert_field(0, 30, ipap_field_value1)
ipap_message.include_data(template_id, ipap_data_record)
lst = self.ipap_message_parser.read_data_records(
ipap_message, template_id)
self.assertEqual(len(lst), 1)
lst = self.ipap_message_parser.read_data_records(ipap_message, 100)
self.assertEqual(len(lst), 0)
def test_read_template(self):
ipap_message = IpapMessage(1, 1, False)
template_id = ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
ipap_message.add_field(template_id, 0, 30)
ipap_data_record = IpapDataRecord(templ_id=template_id)
ipap_field_value1 = IpapValueField()
value = 12231213
ipap_field_value1.set_value_uint64(value)
# Replace the value
ipap_data_record.insert_field(0, 30, ipap_field_value1)
ipap_message.include_data(template_id, ipap_data_record)
template = self.ipap_message_parser.read_template(
ipap_message, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.assertEqual(template.get_type(),
TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
with self.assertRaises(ValueError):
template = self.ipap_message_parser.read_template(
ipap_message, TemplateType.IPAP_OPTNS_AUCTION_TEMPLATE)
def get_ipap_message(self, allocation: Allocation, template_container: IpapTemplateContainer) -> IpapMessage:
"""
:return:
"""
message = IpapMessage(self.domain, IpapMessage.IPAP_VERSION, True)
auction_manager = AuctionManager(self.domain)
auction = auction_manager.get_auction(allocation.get_auction_key())
# Find both templates types for the bidding object.
temp_type = IpapTemplate.get_data_template(allocation.get_template_object_type())
data_template_id = auction.get_bidding_object_template(allocation.get_template_object_type(), temp_type)
temp_type = IpapTemplate.get_opts_template(allocation.get_template_object_type())
option_template_id = auction.get_bidding_object_template(allocation.get_template_object_type(), temp_type)
# Insert allocations's templates.a
data_template = template_container.get_template(data_template_id)
message.make_template(data_template)
option_template = template_container.get_template(option_template_id)
message.make_template(option_template)
# Include data records.
self.include_data_record(data_template, allocation, 'Record_1', allocation.config_params, message)
# Include option records.
index = 1
for interval in allocation.intervals:
record_id = 'Record_{0}'.format(str(index))
self.include_options_record(option_template, allocation,
record_id, interval.start, interval.stop, message)
index = index + 1
return message
def setUp(self):
self.ipap_message = IpapMessage(1, 1, False)
self.ipap_message2 = IpapMessage(1, 1, True)
class IpapMessageTest(unittest.TestCase):
"""
IpapMessageTest
"""
def setUp(self):
self.ipap_message = IpapMessage(1, 1, False)
self.ipap_message2 = IpapMessage(1, 1, True)
def test_new_data_template(self):
val = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.assertEqual(val, 256)
def test_add_field(self):
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
# test adding an invalid field
with self.assertRaises(ValueError):
self.ipap_message.add_field(template_id, 0, 3000)
# test adding an invalid template id.
with self.assertRaises(ValueError):
self.ipap_message.add_field(2, 0, 30)
def test_delete_template(self):
print('start test_delete_template')
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
self.ipap_message.delete_template(template_id)
lst = self.ipap_message.get_template_list()
self.assertEqual(len(lst), 0)
def test_delete_all_templates(self):
print('start test_delete_all_templates')
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
self.ipap_message.delete_all_templates()
lst = self.ipap_message.get_template_list()
self.assertEqual(len(lst), 0)
def test_get_template_list(self):
print('start test_get_template_list')
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
lst = self.ipap_message.get_template_list()
self.assertEqual(lst[0], 256)
def test_get_template_object(self):
print('start test_get_template_object')
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
template = self.ipap_message.get_template_object(template_id)
template_type = template.get_type()
self.assertEqual(template_type,
TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
lst = template.get_fields()
print('num fields:', len(lst))
with self.assertRaises(ValueError):
template = self.ipap_message.get_template_object(4)
def test_include_data(self):
print('in test_include_data')
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
template = self.ipap_message.get_template_object(template_id)
lst = template.get_fields()
ipap_data_record = IpapDataRecord(templ_id=template_id)
ipap_field_value1 = IpapValueField()
value = 12231213
ipap_field_value1.set_value_uint64(value)
template = self.ipap_message.get_template_object(template_id)
lst = template.get_fields()
# Replace the value
ipap_data_record.insert_field(0, 30, ipap_field_value1)
self.ipap_message.include_data(template_id, ipap_data_record)
record_size = self.ipap_message.get_data_record_size()
self.assertEqual(record_size, 1)
def test_get_data_record_at_pos(self):
template_id = self.ipap_message.new_data_template(
10, TemplateType.IPAP_SETID_AUCTION_TEMPLATE)
self.ipap_message.add_field(template_id, 0, 30)
ipap_data_record = IpapDataRecord(templ_id=template_id)
ipap_field_value1 = IpapValueField()
value = 12231213
ipap_field_value1.set_value_uint64(value)
# Replace the value
ipap_data_record.insert_field(0, 30, ipap_field_value1)
self.ipap_message.include_data(template_id, ipap_data_record)
ipap_data_record2 = self.ipap_message.get_data_record_at_pos(0)
def test_import(self):
print('In test import')
self.ipap_message2.set_syn(True)
self.ipap_message2.set_seqno(300)
self.ipap_message2.output()
str_msg = self.ipap_message2.get_message()
ipap_message3 = IpapMessage(1, 1, True, str_msg)
str_msg = 'aqui estoy'
with self.assertRaises(ValueError):
ipap_message4 = IpapMessage(1, 1, True, str_msg)
def split(self, ipap_message: IpapMessage) -> (dict, dict, dict):
"""
parse the ipap message by splitting message data by object key ( Auctions, Bids, Allocations).
:param ipap_message: message to parse
:return:
"""
data_record_count = ipap_message.get_data_record_size()
templates_included = {}
object_templates = {}
object_data_records = {}
templates_not_related = {}
for i in range(0, data_record_count):
data_record = ipap_message.get_data_record_at_pos(i)
template_id = data_record.get_template_id()
try:
template = ipap_message.get_template_object(template_id)
except ValueError:
raise ValueError(
"required template not included in the message")
templates_included[template_id] = template_id
templ_type = template.get_type()
try:
# Obtain template keys
data_key = ''
key_fields = template.get_template_type_key_field(templ_type)
for key_field in key_fields:
field = template.get_field(key_field.get_eno(),
key_field.get_ftype())
value = data_record.get_field(key_field.get_eno(),
key_field.get_ftype())
data_key = data_key + field.write_value(value)
object_type = template.get_object_type(templ_type)
ipap_object_key = IpapObjectKey(object_type, data_key)
if ipap_object_key not in object_templates.keys():
object_templates[ipap_object_key] = []
object_templates[ipap_object_key].append(template)
if ipap_object_key not in object_data_records:
object_data_records[ipap_object_key] = []
object_data_records[ipap_object_key].append(data_record)
except ValueError as e:
raise ValueError(
"error while reading data record - error: {0}", str(e))
# Copy templates from message that are not related with a record data
templates = ipap_message.get_template_list()
for template_id in templates:
if template_id not in templates_included:
templates_not_related[
template_id] = ipap_message.get_template_object(
template_id)
return object_templates, object_data_records, templates_not_related
def include_auction_data_record(self, template: IpapTemplate, auction: Auction,
message: IpapMessage, use_ipv6: bool, s_address: str,
port: int):
"""
Adds the option data record template associated with the option data auction template
:param template template used for the data record.
:param auction auction being included in the message.
:param message: message being built.
:param use_ipv6: whether or not it use ipv6
:param s_address: source address
:param port: source port
"""
ipap_data_record = IpapDataRecord(obj=None, templ_id=template.get_template_id())
# Insert the auction id field.
self.insert_string_field('auctionid', auction.get_key(), ipap_data_record)
# Add the Record Id
self.insert_string_field('recordid', "Record_1", ipap_data_record)
# Add the Status
self.insert_integer_field('status', auction.get_state().value, ipap_data_record)
# Add the IP Version
if use_ipv6:
ipversion = 6
else:
ipversion = 4
self.insert_integer_field('ipversion', ipversion, ipap_data_record)
# Add the Ipv6 Address value
if use_ipv6:
self.insert_ipv6_field('dstipv6', s_address, ipap_data_record)
else:
self.insert_ipv6_field('dstipv6', "0:0:0:0:0:0:0:0", ipap_data_record)
# Add the Ipv4 Address value
if use_ipv6:
self.insert_ipv4_field('dstipv4', "0.0.0.0", ipap_data_record)
else:
self.insert_ipv4_field('dstipv4', s_address, ipap_data_record)
# Add destination port
self.insert_integer_field('dstauctionport', port, ipap_data_record)
# Add the resource Id.
self.insert_string_field('resourceid', auction.get_resource_key(), ipap_data_record)
# Add the start time - Unix time is seconds from 1970-1-1 .
self.insert_datetime_field('start', auction.get_start(), ipap_data_record)
# Add the end time.
self.insert_datetime_field('stop', auction.get_stop(), ipap_data_record)
# Add the interval. How much time between executions (seconds).
u_interval = auction.get_interval().interval
self.insert_integer_field('interval', u_interval, ipap_data_record)
# Add the template list.
self.insert_string_field('templatelist', auction.get_template_list(), ipap_data_record)
message.include_data(template.get_template_id(), ipap_data_record)
async def send_ack_disconnect(self, server_connection: ServerConnection,
ipap_message: IpapMessage):
"""
Sends the ack disconnect message.
:param server_connection: websocket and aiohttp session created for the connection
:param ipap_message: message sent from the server.
:return:
"""
self.logger.debug("Starting send_ack_disconnect")
# verifies ack sequence number
ack_seqno = ipap_message.get_ackseqno()
try:
server_connection.get_auction_session().confirm_message(ack_seqno)
except ValueError:
# nothing was expected to be acknowledged
pass
# verifies the connection state
if server_connection.state == ServerConnectionState.ESTABLISHED:
self.logger.debug("starting to disconnect from server connection state established")
message = self.build_ack_message(server_connection.get_auction_session().get_next_message_id(),
ipap_message.get_seqno())
print('message ack disconnect id:', message.get_seqno())
await self.send_message(server_connection, message.get_message())
self.logger.debug("disconnecting - before putting close_wait ")
# server_connection.set_state(ServerConnectionState.CLOSE_WAIT)
self.logger.debug("disconnecting - after putting close_wait ")
from auction_client.auction_client_handler import HandleResourceRequestTeardown
handle_tear_down = HandleResourceRequestTeardown(server_connection.get_auction_session().get_key())
await handle_tear_down.start()
self.logger.debug("disconnecting - after removing resource request ")
message = self.build_fin_message(server_connection.get_auction_session().get_next_message_id(), 0)
server_connection.get_auction_session().add_pending_message(message)
print('message fin message id:', message.get_seqno())
await self.send_message(server_connection, message.get_message())
self.logger.debug("disconnecting - after sending fin message ")
server_connection.set_state(ServerConnectionState.LAST_ACK)
self.logger.debug("ending to disconnect from server connection state established")
# verifies the connection state
elif server_connection.get_state() == ServerConnectionState.FIN_WAIT_2:
# send the ack message establishing the session.
message = self.build_ack_message(server_connection.get_auction_session().get_next_message_id(),
ipap_message.get_seqno())
print('message fin wait ack id:', message.get_seqno())
await self.send_message(server_connection, message.get_message())
await self._disconnect_socket(server_connection)
self.auction_session_manager.del_session(server_connection.get_auction_session().get_key())
server_connection.set_state(ServerConnectionState.CLOSED)
else:
# The server is not in syn sent state, so ignore the message
self.logger.info("A msg with fin state was received,but the server is not in fin_wait state, ignoring it")
self.logger.debug("Ending send_ack_disconnect- new state {0}".format(str(server_connection.get_state())))
