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add unit test for packet library llc

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Signed-off-by: WATANABE Fumitaka <watanabe.fumitaka@nttcom.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
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watanabe.fumitaka 2013-07-31 19:44:11 +09:00 committed by FUJITA Tomonori
parent ad3b896d58
commit 4571711640
1 changed files with 92 additions and 0 deletions
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92
ryu/tests/unit/packet/test_packet.py
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@ -367,3 +367,95 @@ class TestPacket(unittest.TestCase):
# payload
ok_('payload' in protocols)
eq_(self.payload, protocols['payload'].tostring())
def test_llc_bpdu(self):
# buid packet
e = ethernet.ethernet(self.dst_mac, self.src_mac,
ether.ETH_TYPE_IEEE802_3)
llc_control = llc.ControlFormatU(0, 0, 0)
l = llc.llc(llc.SAP_BDPU, llc.SAP_BDPU, llc_control)
b = bpdu.ConfigurationBPDUs(flags=0,
root_priority=32768,
root_system_id_extension=0,
root_mac_address=self.src_mac,
root_path_cost=0,
bridge_priority=32768,
bridge_system_id_extension=0,
bridge_mac_address=self.dst_mac,
port_priority=128,
port_number=4,
message_age=1,
max_age=20,
hello_time=2,
forward_delay=15)
p = packet.Packet()
p.add_protocol(e)
p.add_protocol(l)
p.add_protocol(b)
p.serialize()
# ethernet !6s6sH
e_buf = self.dst_mac + self.src_mac + '\x05\xdc'
# llc !BBB
l_buf = ('\x42'
'\x42'
'\x03')
# bpdu !HBBBQIQHHHHH
b_buf = ('\x00\x00'
'\x00'
'\x00'
'\x00'
'\x80\x64\xaa\xaa\xaa\xaa\xaa\xaa'
'\x00\x00\x00\x04'
'\x80\x64\xbb\xbb\xbb\xbb\xbb\xbb'
'\x80\x04'
'\x01\x00'
'\x14\x00'
'\x02\x00'
'\x0f\x00')
buf = e_buf + l_buf + b_buf
# parse
pkt = packet.Packet(array.array('B', p.data))
protocols = self.get_protocols(pkt)
p_eth = protocols['ethernet']
p_llc = protocols['llc']
p_bpdu = protocols['ConfigurationBPDUs']
# ethernet
ok_(p_eth)
eq_(self.dst_mac, p_eth.dst)
eq_(self.src_mac, p_eth.src)
eq_(ether.ETH_TYPE_IEEE802_3, p_eth.ethertype)
# llc
ok_(p_llc)
eq_(llc.SAP_BDPU, p_llc.dsap_addr)
eq_(llc.SAP_BDPU, p_llc.ssap_addr)
eq_(0, p_llc.control.modifier_function1)
eq_(0, p_llc.control.pf_bit)
eq_(0, p_llc.control.modifier_function2)
# bpdu
ok_(p_bpdu)
eq_(bpdu.PROTOCOL_IDENTIFIER, p_bpdu.protocol_id)
eq_(bpdu.PROTOCOLVERSION_ID_BPDU, p_bpdu.version_id)
eq_(bpdu.TYPE_CONFIG_BPDU, p_bpdu.bpdu_type)
eq_(0, p_bpdu.flags)
eq_(32768, p_bpdu.root_priority)
eq_(0, p_bpdu.root_system_id_extension)
eq_(self.src_mac, p_bpdu.root_mac_address)
eq_(0, p_bpdu.root_path_cost)
eq_(32768, p_bpdu.bridge_priority)
eq_(0, p_bpdu.bridge_system_id_extension)
eq_(self.dst_mac, p_bpdu.bridge_mac_address)
eq_(128, p_bpdu.port_priority)
eq_(4, p_bpdu.port_number)
eq_(1, p_bpdu.message_age)
eq_(20, p_bpdu.max_age)
eq_(2, p_bpdu.hello_time)
eq_(15, p_bpdu.forward_delay)