def process_packet(self, in_port, packet):
"""
@param in_port The ingress port number on which packet arrived
@param packet A bytearray with the packet data
"""
buf = bytearray(packet)
for idx in range((len(packet) + 19)/20):
logging.debug(hexify(buf[20*idx : 20*(idx+1)], 20))
if self.disabled:
logging.debug("Switch is disabled; discarding packet")
return
parsed_packet = ParsedPacket(buf, self.metadata)
logging.debug("Processing packet %d from port %d with %s" %
(parsed_packet.id, in_port,
self.first_processor.name))
self.first_processor.process(parsed_packet)
from parsed_packet import ParsedPacket
# Create IRI config from unit_test
if len(sys.argv) > 2:
unit_test_input = sys.argv[2:]
else:
local_dir = os.path.dirname(os.path.abspath(__file__))
unit_test_input = local_dir + "/../unit_test.yml"
logging.info("Using input file %s" % unit_test_input)
iri = IriInstance("instance", unit_test_input, transmit_packet)
parser = iri.iri_parser["parser"]
# Test cases for unit test input
byte_buf = bytearray(range(100))
ppkt = ParsedPacket(byte_buf, {})
parser.process(ppkt)
if "ethernet" in iri.header.keys():
air_assert(ppkt.header_length == 14, "Did not parser ether hdr")
air_assert("ethernet" in ppkt.header_map.keys(),
"Did not parser ether hdr")
air_assert(ppkt.get_field("ethernet"),
"Failed ethernet header valid check")
air_assert(not ppkt.get_field("foo"),
"Failed negative foo header valid check")
byte_buf[12] = 0x81
byte_buf[13] = 0
ppkt = ParsedPacket(byte_buf, {})
parser.process(ppkt)
from parsed_packet import ParsedPacket
# Create IRI config from unit_test
if len(sys.argv) > 2:
unit_test_input = sys.argv[2:]
else:
local_dir = os.path.dirname(os.path.abspath(__file__))
unit_test_input = local_dir + "/../unit_test.yml"
logging.info("Using input file %s" % unit_test_input)
iri = IriInstance("instance", unit_test_input, transmit_packet)
parser = iri.iri_parser["parser"]
# Test cases for unit test input
byte_buf = bytearray(range(100))
ppkt = ParsedPacket(byte_buf, {})
parser.process(ppkt)
if "ethernet" in iri.header.keys():
air_assert(ppkt.header_length == 14, "Did not parser ether hdr")
air_assert("ethernet" in ppkt.header_map.keys(),
"Did not parser ether hdr")
air_assert(ppkt.get_field("ethernet"),
"Failed ethernet header valid check")
air_assert(not ppkt.get_field("foo"),
"Failed negative foo header valid check")
byte_buf[12] = 0x81
byte_buf[13] = 0
ppkt = ParsedPacket(byte_buf, {})
parser.process(ppkt)
from pif_ir.air.instance import AirInstance
from parsed_packet import ParsedPacket
# Set up the unit test AIR instance
local_dir = os.path.dirname(os.path.abspath(__file__))
iri = AirInstance("instance", local_dir + "/../tests/unit_test.yml",
transmit_handler)
exact_entry = TableEntryExact({"ethernet.ethertype": 0x07}, "some_action",
{})
ternary_entry = TableEntryTernary({"ethernet.ethertype": 0x07},
{"ethernet.ethertype": 0x07},
"some_action", {}, 17)
default_entry = TableEntryDefault("some_action", {})
byte_buf = bytearray(range(100))
ppkt = ParsedPacket(byte_buf, {})
meta_ir_assert(exact_entry.check_match(ppkt) is None, "Exact non-match")
meta_ir_assert(
ternary_entry.check_match(ppkt) is None, "Ternary non-match")
ppkt.parse_header("ethernet", iri.meta_ir_object_map["ethernet"])
ppkt.set_field("ethernet.ethertype", 0x17)
match_val = ternary_entry.check_match(ppkt)
meta_ir_assert(match_val is not None, "Ternary should match post set")
match_val = exact_entry.check_match(ppkt)
meta_ir_assert(match_val is None, "Exact should not match post set")
logging.debug("Pipeline %s, pkt %d: calling to %s", self.name,
parsed_packet.id, self.next_processor.name)
self.next_processor.process(parsed_packet)
################################################################
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG, filename=sys.argv[1])
logging.info("RUNNING MODULE: %s" % __file__)
def transmit_packet(out_port, packet):
pass
from pif_ir.air.instance import AirInstance
from parsed_packet import ParsedPacket
# Create AIR config from unit_test
local_dir = os.path.dirname(os.path.abspath(__file__))
iri = AirInstance("instance", local_dir + "/../tests/unit_test.yml",
transmit_packet)
# Instantiate the ingress_flow pipe
pipe = iri.air_pipeline["ingress_flow"]
# Create a packet object
byte_buf = bytearray(range(100))
ppkt = ParsedPacket(byte_buf, {})
from parsed_packet import ParsedPacket
# Set up the unit test IRI instance
local_dir = os.path.dirname(os.path.abspath(__file__))
iri = IriInstance("instance", local_dir + "/../unit_test.yml",
transmit_handler)
exact_entry = TableEntryExact({"ethernet.ethertype" : 0x07},
"some_action", {})
ternary_entry = TableEntryTernary({"ethernet.ethertype" : 0x07},
{"ethernet.ethertype" : 0x07},
"some_action", {}, 17)
default_entry = TableEntryDefault("some_action", {})
byte_buf = bytearray(range(100))
ppkt = ParsedPacket(byte_buf, {})
air_assert(exact_entry.check_match(ppkt) is None, "Exact non-match")
air_assert(ternary_entry.check_match(ppkt) is None, "Ternary non-match")
ppkt.parse_header("ethernet", iri.air_object_map["ethernet"])
ppkt.set_field("ethernet.ethertype", 0x17)
match_val = ternary_entry.check_match(ppkt)
air_assert(match_val is not None, "Ternary should match post set")
match_val = exact_entry.check_match(ppkt)
air_assert(match_val is None, "Exact should not match post set")