--- /dev/null
+# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import inspect
+import logging
+import six
+import struct
+import unittest
+
+from nose.tools import eq_
+from nose.tools import ok_
+from ryu.lib import addrconv
+from ryu.lib.packet import packet
+from ryu.lib.packet import ethernet
+from ryu.lib.packet import ipv4
+from ryu.lib.packet import sctp
+from ryu.ofproto import ether
+from ryu.ofproto import inet
+
+
+LOG = logging.getLogger(__name__)
+
+
+class Test_sctp(unittest.TestCase):
+
+ def setUp(self):
+ self.chunks = []
+ self.csum = 0
+ self.dst_port = 1234
+ self.src_port = 5678
+ self.vtag = 98765432
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf = b'\x16\x2e\x04\xd2\x05\xe3\x0a\x78\x00\x00\x00\x00'
+
+ def setUp_with_data(self):
+ self.unordered = 1
+ self.begin = 1
+ self.end = 1
+ self.length = 16 + 10
+ self.tsn = 12345
+ self.sid = 1
+ self.seq = 0
+ self.payload_id = 0
+ self.payload_data = b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a'
+
+ self.data = sctp.chunk_data(
+ unordered=self.unordered, begin=self.begin, end=self.end,
+ tsn=self.tsn, sid=self.sid, payload_data=self.payload_data)
+
+ self.chunks = [self.data]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x00\x07\x00\x1a\x00\x00\x30\x39\x00\x01\x00\x00' + \
+ b'\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a'
+
+ def setUp_with_init(self):
+ self.flags = 0
+ self.length = 20 + 8 + 20 + 8 + 4 + 16 + 16
+ self.init_tag = 123456
+ self.a_rwnd = 9876
+ self.os = 3
+ self.mis = 3
+ self.i_tsn = 123456
+
+ self.p_ipv4 = sctp.param_ipv4('192.168.1.1')
+ self.p_ipv6 = sctp.param_ipv6('fe80::647e:1aff:fec4:8284')
+ self.p_cookie_preserve = sctp.param_cookie_preserve(5000)
+ self.p_ecn = sctp.param_ecn()
+ self.p_host_addr = sctp.param_host_addr(b'test host\x00')
+ self.p_support_type = sctp.param_supported_addr(
+ [sctp.PTYPE_IPV4, sctp.PTYPE_IPV6, sctp.PTYPE_COOKIE_PRESERVE,
+ sctp.PTYPE_ECN, sctp.PTYPE_HOST_ADDR])
+ self.params = [
+ self.p_ipv4, self.p_ipv6, self.p_cookie_preserve,
+ self.p_ecn, self.p_host_addr, self.p_support_type]
+
+ self.init = sctp.chunk_init(
+ init_tag=self.init_tag, a_rwnd=self.a_rwnd, os=self.os,
+ mis=self.mis, i_tsn=self.i_tsn, params=self.params)
+
+ self.chunks = [self.init]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x01\x00\x00\x5c\x00\x01\xe2\x40\x00\x00\x26\x94' + \
+ b'\x00\x03\x00\x03\x00\x01\xe2\x40' + \
+ b'\x00\x05\x00\x08\xc0\xa8\x01\x01' + \
+ b'\x00\x06\x00\x14' + \
+ b'\xfe\x80\x00\x00\x00\x00\x00\x00' + \
+ b'\x64\x7e\x1a\xff\xfe\xc4\x82\x84' + \
+ b'\x00\x09\x00\x08\x00\x00\x13\x88' + \
+ b'\x80\x00\x00\x04' + \
+ b'\x00\x0b\x00\x0e' + \
+ b'\x74\x65\x73\x74\x20\x68\x6f\x73\x74\x00\x00\x00' + \
+ b'\x00\x0c\x00\x0e\x00\x05\x00\x06\x00\x09\x80\x00' + \
+ b'\x00\x0b\x00\x00'
+
+ def setUp_with_init_ack(self):
+ self.flags = 0
+ self.length = 20 + 8 + 8 + 20 + 8 + 4 + 16
+ self.init_tag = 123456
+ self.a_rwnd = 9876
+ self.os = 3
+ self.mis = 3
+ self.i_tsn = 123456
+
+ self.p_state_cookie = sctp.param_state_cookie(b'\x01\x02\x03')
+ self.p_ipv4 = sctp.param_ipv4('192.168.1.1')
+ self.p_ipv6 = sctp.param_ipv6('fe80::647e:1aff:fec4:8284')
+ self.p_unrecognized_param = sctp.param_unrecognized_param(
+ b'\xff\xff\x00\x04')
+ self.p_ecn = sctp.param_ecn()
+ self.p_host_addr = sctp.param_host_addr(b'test host\x00')
+ self.params = [
+ self.p_state_cookie, self.p_ipv4, self.p_ipv6,
+ self.p_unrecognized_param, self.p_ecn, self.p_host_addr]
+
+ self.init_ack = sctp.chunk_init_ack(
+ init_tag=self.init_tag, a_rwnd=self.a_rwnd, os=self.os,
+ mis=self.mis, i_tsn=self.i_tsn, params=self.params)
+
+ self.chunks = [self.init_ack]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x02\x00\x00\x54\x00\x01\xe2\x40\x00\x00\x26\x94' + \
+ b'\x00\x03\x00\x03\x00\x01\xe2\x40' + \
+ b'\x00\x07\x00\x07\x01\x02\x03\x00' + \
+ b'\x00\x05\x00\x08\xc0\xa8\x01\x01' + \
+ b'\x00\x06\x00\x14' + \
+ b'\xfe\x80\x00\x00\x00\x00\x00\x00' + \
+ b'\x64\x7e\x1a\xff\xfe\xc4\x82\x84' + \
+ b'\x00\x08\x00\x08\xff\xff\x00\x04' + \
+ b'\x80\x00\x00\x04' + \
+ b'\x00\x0b\x00\x0e' + \
+ b'\x74\x65\x73\x74\x20\x68\x6f\x73\x74\x00\x00\x00'
+
+ def setUp_with_sack(self):
+ self.flags = 0
+ self.length = 16 + 2 * 2 * 5 + 4 * 5
+ self.tsn_ack = 123456
+ self.a_rwnd = 9876
+ self.gapack_num = 5
+ self.duptsn_num = 5
+ self.gapacks = [[2, 3], [10, 12], [20, 24], [51, 52], [62, 63]]
+ self.duptsns = [123458, 123466, 123476, 123507, 123518]
+
+ self.sack = sctp.chunk_sack(
+ tsn_ack=self.tsn_ack, a_rwnd=self.a_rwnd,
+ gapack_num=self.gapack_num, duptsn_num=self.duptsn_num,
+ gapacks=self.gapacks, duptsns=self.duptsns)
+
+ self.chunks = [self.sack]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x03\x00\x00\x38\x00\x01\xe2\x40' + \
+ b'\x00\x00\x26\x94\x00\x05\x00\x05' + \
+ b'\x00\x02\x00\x03\x00\x0a\x00\x0c\x00\x14\x00\x18' + \
+ b'\x00\x33\x00\x34\x00\x3e\x00\x3f' + \
+ b'\x00\x01\xe2\x42\x00\x01\xe2\x4a\x00\x01\xe2\x54' + \
+ b'\x00\x01\xe2\x73\x00\x01\xe2\x7e'
+
+ def setUp_with_heartbeat(self):
+ self.flags = 0
+ self.length = 4 + 8
+
+ self.p_heartbeat = sctp.param_heartbeat(b'\x01\x02\x03\x04')
+
+ self.heartbeat = sctp.chunk_heartbeat(info=self.p_heartbeat)
+
+ self.chunks = [self.heartbeat]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x04\x00\x00\x0c' + \
+ b'\x00\x01\x00\x08' + \
+ b'\x01\x02\x03\x04'
+
+ def setUp_with_heartbeat_ack(self):
+ self.flags = 0
+ self.length = 4 + 12
+
+ self.p_heartbeat = sctp.param_heartbeat(
+ b'\xff\xee\xdd\xcc\xbb\xaa\x99\x88')
+
+ self.heartbeat_ack = sctp.chunk_heartbeat_ack(info=self.p_heartbeat)
+
+ self.chunks = [self.heartbeat_ack]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x05\x00\x00\x10' + \
+ b'\x00\x01\x00\x0c' + \
+ b'\xff\xee\xdd\xcc\xbb\xaa\x99\x88'
+
+ def setUp_with_abort(self):
+ self.tflag = 0
+ self.length = 4 + 8 + 16 + 8 + 4 + 20 + 8 + 4 + 8 + 8 + 4 + 12 \
+ + 20 + 20
+
+ self.c_invalid_stream_id = sctp.cause_invalid_stream_id(4096)
+ self.c_missing_param = sctp.cause_missing_param(
+ [sctp.PTYPE_IPV4, sctp.PTYPE_IPV6,
+ sctp.PTYPE_COOKIE_PRESERVE, sctp.PTYPE_HOST_ADDR])
+ self.c_stale_cookie = sctp.cause_stale_cookie(b'\x00\x00\x13\x88')
+ self.c_out_of_resource = sctp.cause_out_of_resource()
+ self.c_unresolvable_addr = sctp.cause_unresolvable_addr(
+ sctp.param_host_addr(b'test host\x00'))
+ self.c_unrecognized_chunk = sctp.cause_unrecognized_chunk(
+ b'\xff\x00\x00\x04')
+ self.c_invalid_param = sctp.cause_invalid_param()
+ self.c_unrecognized_param = sctp.cause_unrecognized_param(
+ b'\xff\xff\x00\x04')
+ self.c_no_userdata = sctp.cause_no_userdata(b'\x00\x01\xe2\x40')
+ self.c_cookie_while_shutdown = sctp.cause_cookie_while_shutdown()
+ self.c_restart_with_new_addr = sctp.cause_restart_with_new_addr(
+ sctp.param_ipv4('192.168.1.1'))
+ self.c_user_initiated_abort = sctp.cause_user_initiated_abort(
+ b'Key Interrupt.\x00')
+ self.c_protocol_violation = sctp.cause_protocol_violation(
+ b'Unknown reason.\x00')
+
+ self.causes = [
+ self.c_invalid_stream_id, self.c_missing_param,
+ self.c_stale_cookie, self.c_out_of_resource,
+ self.c_unresolvable_addr, self.c_unrecognized_chunk,
+ self.c_invalid_param, self.c_unrecognized_param,
+ self.c_no_userdata, self.c_cookie_while_shutdown,
+ self.c_restart_with_new_addr, self.c_user_initiated_abort,
+ self.c_protocol_violation]
+
+ self.abort = sctp.chunk_abort(causes=self.causes)
+
+ self.chunks = [self.abort]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x06\x00\x00\x90' + \
+ b'\x00\x01\x00\x08\x10\x00\x00\x00' + \
+ b'\x00\x02\x00\x10\x00\x00\x00\x04' + \
+ b'\x00\x05\x00\x06\x00\x09\x00\x0b' + \
+ b'\x00\x03\x00\x08\x00\x00\x13\x88' + \
+ b'\x00\x04\x00\x04' + \
+ b'\x00\x05\x00\x14' + \
+ b'\x00\x0b\x00\x0e' + \
+ b'\x74\x65\x73\x74\x20\x68\x6f\x73\x74\x00\x00\x00' + \
+ b'\x00\x06\x00\x08\xff\x00\x00\x04' + \
+ b'\x00\x07\x00\x04' + \
+ b'\x00\x08\x00\x08\xff\xff\x00\x04' + \
+ b'\x00\x09\x00\x08\x00\x01\xe2\x40' + \
+ b'\x00\x0a\x00\x04' + \
+ b'\x00\x0b\x00\x0c' + \
+ b'\x00\x05\x00\x08\xc0\xa8\x01\x01' + \
+ b'\x00\x0c\x00\x13' + \
+ b'\x4b\x65\x79\x20\x49\x6e\x74\x65' + \
+ b'\x72\x72\x75\x70\x74\x2e\x00\x00' + \
+ b'\x00\x0d\x00\x14' + \
+ b'\x55\x6e\x6b\x6e\x6f\x77\x6e\x20' + \
+ b'\x72\x65\x61\x73\x6f\x6e\x2e\x00'
+
+ def setUp_with_shutdown(self):
+ self.flags = 0
+ self.length = 8
+ self.tsn_ack = 123456
+
+ self.shutdown = sctp.chunk_shutdown(tsn_ack=self.tsn_ack)
+
+ self.chunks = [self.shutdown]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x07\x00\x00\x08\x00\x01\xe2\x40'
+
+ def setUp_with_shutdown_ack(self):
+ self.flags = 0
+ self.length = 4
+
+ self.shutdown_ack = sctp.chunk_shutdown_ack()
+
+ self.chunks = [self.shutdown_ack]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x08\x00\x00\x04'
+
+ def setUp_with_error(self):
+ self.flags = 0
+ self.length = 4 + 8 + 16 + 8 + 4 + 20 + 8 + 4 + 8 + 8 + 4 + 12 \
+ + 20 + 20
+
+ self.c_invalid_stream_id = sctp.cause_invalid_stream_id(4096)
+ self.c_missing_param = sctp.cause_missing_param(
+ [sctp.PTYPE_IPV4, sctp.PTYPE_IPV6,
+ sctp.PTYPE_COOKIE_PRESERVE, sctp.PTYPE_HOST_ADDR])
+ self.c_stale_cookie = sctp.cause_stale_cookie(b'\x00\x00\x13\x88')
+ self.c_out_of_resource = sctp.cause_out_of_resource()
+ self.c_unresolvable_addr = sctp.cause_unresolvable_addr(
+ sctp.param_host_addr(b'test host\x00'))
+ self.c_unrecognized_chunk = sctp.cause_unrecognized_chunk(
+ b'\xff\x00\x00\x04')
+ self.c_invalid_param = sctp.cause_invalid_param()
+ self.c_unrecognized_param = sctp.cause_unrecognized_param(
+ b'\xff\xff\x00\x04')
+ self.c_no_userdata = sctp.cause_no_userdata(b'\x00\x01\xe2\x40')
+ self.c_cookie_while_shutdown = sctp.cause_cookie_while_shutdown()
+ self.c_restart_with_new_addr = sctp.cause_restart_with_new_addr(
+ sctp.param_ipv4('192.168.1.1'))
+ self.c_user_initiated_abort = sctp.cause_user_initiated_abort(
+ b'Key Interrupt.\x00')
+ self.c_protocol_violation = sctp.cause_protocol_violation(
+ b'Unknown reason.\x00')
+
+ self.causes = [
+ self.c_invalid_stream_id, self.c_missing_param,
+ self.c_stale_cookie, self.c_out_of_resource,
+ self.c_unresolvable_addr, self.c_unrecognized_chunk,
+ self.c_invalid_param, self.c_unrecognized_param,
+ self.c_no_userdata, self.c_cookie_while_shutdown,
+ self.c_restart_with_new_addr, self.c_user_initiated_abort,
+ self.c_protocol_violation]
+
+ self.error = sctp.chunk_error(causes=self.causes)
+
+ self.chunks = [self.error]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x09\x00\x00\x90' + \
+ b'\x00\x01\x00\x08\x10\x00\x00\x00' + \
+ b'\x00\x02\x00\x10\x00\x00\x00\x04' + \
+ b'\x00\x05\x00\x06\x00\x09\x00\x0b' + \
+ b'\x00\x03\x00\x08\x00\x00\x13\x88' + \
+ b'\x00\x04\x00\x04' + \
+ b'\x00\x05\x00\x14' + \
+ b'\x00\x0b\x00\x0e' + \
+ b'\x74\x65\x73\x74\x20\x68\x6f\x73\x74\x00\x00\x00' + \
+ b'\x00\x06\x00\x08\xff\x00\x00\x04' + \
+ b'\x00\x07\x00\x04' + \
+ b'\x00\x08\x00\x08\xff\xff\x00\x04' + \
+ b'\x00\x09\x00\x08\x00\x01\xe2\x40' + \
+ b'\x00\x0a\x00\x04' + \
+ b'\x00\x0b\x00\x0c' + \
+ b'\x00\x05\x00\x08\xc0\xa8\x01\x01' + \
+ b'\x00\x0c\x00\x13' + \
+ b'\x4b\x65\x79\x20\x49\x6e\x74\x65' + \
+ b'\x72\x72\x75\x70\x74\x2e\x00\x00' + \
+ b'\x00\x0d\x00\x14' + \
+ b'\x55\x6e\x6b\x6e\x6f\x77\x6e\x20' + \
+ b'\x72\x65\x61\x73\x6f\x6e\x2e\x00'
+
+ def setUp_with_cookie_echo(self):
+ self.flags = 0
+ self.length = 8
+ self.cookie = b'\x12\x34\x56\x78'
+
+ self.cookie_echo = sctp.chunk_cookie_echo(cookie=self.cookie)
+
+ self.chunks = [self.cookie_echo]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x0a\x00\x00\x08\x12\x34\x56\x78'
+
+ def setUp_with_cookie_ack(self):
+ self.flags = 0
+ self.length = 4
+
+ self.cookie_ack = sctp.chunk_cookie_ack()
+
+ self.chunks = [self.cookie_ack]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x0b\x00\x00\x04'
+
+ def setUp_with_ecn_echo(self):
+ self.flags = 0
+ self.length = 8
+ self.low_tsn = 123456
+
+ self.ecn_echo = sctp.chunk_ecn_echo(low_tsn=self.low_tsn)
+
+ self.chunks = [self.ecn_echo]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x0c\x00\x00\x08\x00\x01\xe2\x40'
+
+ def setUp_with_cwr(self):
+ self.flags = 0
+ self.length = 8
+ self.low_tsn = 123456
+
+ self.cwr = sctp.chunk_cwr(low_tsn=self.low_tsn)
+
+ self.chunks = [self.cwr]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x0d\x00\x00\x08\x00\x01\xe2\x40'
+
+ def setUp_with_shutdown_complete(self):
+ self.tflag = 0
+ self.length = 4
+
+ self.shutdown_complete = sctp.chunk_shutdown_complete()
+
+ self.chunks = [self.shutdown_complete]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x0e\x00\x00\x04'
+
+ def setUp_with_multi_chunks(self):
+ self.s_flags = 0
+ self.s_length = 16
+ self.s_tsn_ack = 123456
+ self.s_a_rwnd = 9876
+ self.s_gapack_num = 0
+ self.s_duptsn_num = 0
+ self.s_gapacks = None
+ self.s_duptsns = None
+
+ self.sack = sctp.chunk_sack(
+ tsn_ack=self.s_tsn_ack, a_rwnd=self.s_a_rwnd)
+
+ self.d1_unordered = 0
+ self.d1_begin = 1
+ self.d1_end = 0
+ self.d1_length = 16 + 10
+ self.d1_tsn = 12345
+ self.d1_sid = 1
+ self.d1_seq = 0
+ self.d1_payload_id = 0
+ self.d1_payload_data = b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a'
+
+ self.data1 = sctp.chunk_data(
+ begin=self.d1_begin, tsn=self.d1_tsn, sid=self.d1_sid,
+ payload_data=self.d1_payload_data)
+
+ self.d2_unordered = 0
+ self.d2_begin = 0
+ self.d2_end = 1
+ self.d2_length = 16 + 10
+ self.d2_tsn = 12346
+ self.d2_sid = 1
+ self.d2_seq = 1
+ self.d2_payload_id = 0
+ self.d2_payload_data = b'\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a'
+
+ self.data2 = sctp.chunk_data(
+ end=self.d2_end, tsn=self.d2_tsn, sid=self.d2_sid,
+ seq=self.d2_seq, payload_data=self.d2_payload_data)
+
+ self.chunks = [self.sack, self.data1, self.data2]
+
+ self.sc = sctp.sctp(
+ self.src_port, self.dst_port, self.vtag, self.csum,
+ self.chunks)
+
+ self.buf += b'\x03\x00\x00\x10\x00\x01\xe2\x40' + \
+ b'\x00\x00\x26\x94\x00\x00\x00\x00' + \
+ b'\x00\x02\x00\x1a\x00\x00\x30\x39\x00\x01\x00\x00' + \
+ b'\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a' + \
+ b'\x00\x01\x00\x1a\x00\x00\x30\x3a\x00\x01\x00\x01' + \
+ b'\x00\x00\x00\x00\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a'
+
+ def tearDown(self):
+ pass
+
+ def test_init(self):
+ eq_(self.src_port, self.sc.src_port)
+ eq_(self.dst_port, self.sc.dst_port)
+ eq_(self.vtag, self.sc.vtag)
+ eq_(self.csum, self.sc.csum)
+ eq_(self.chunks, self.sc.chunks)
+
+ def test_init_with_data(self):
+ self.setUp_with_data()
+ self.test_init()
+
+ def test_init_with_init(self):
+ self.setUp_with_init()
+ self.test_init()
+
+ def test_init_with_init_ack(self):
+ self.setUp_with_init_ack()
+ self.test_init()
+
+ def test_init_with_sack(self):
+ self.setUp_with_sack()
+ self.test_init()
+
+ def test_init_with_heartbeat(self):
+ self.setUp_with_heartbeat()
+ self.test_init()
+
+ def test_init_with_heartbeat_ack(self):
+ self.setUp_with_heartbeat_ack()
+ self.test_init()
+
+ def test_init_with_abort(self):
+ self.setUp_with_abort()
+ self.test_init()
+
+ def test_init_with_shutdown(self):
+ self.setUp_with_shutdown()
+ self.test_init()
+
+ def test_init_with_shutdown_ack(self):
+ self.setUp_with_shutdown_ack()
+ self.test_init()
+
+ def test_init_with_error(self):
+ self.setUp_with_error()
+ self.test_init()
+
+ def test_init_with_cookie_echo(self):
+ self.setUp_with_cookie_echo()
+ self.test_init()
+
+ def test_init_with_cookie_ack(self):
+ self.setUp_with_cookie_ack()
+ self.test_init()
+
+ def test_init_with_ecn_echo(self):
+ self.setUp_with_ecn_echo()
+ self.test_init()
+
+ def test_init_with_cwr(self):
+ self.setUp_with_cwr()
+ self.test_init()
+
+ def test_init_with_shutdown_complete(self):
+ self.setUp_with_shutdown_complete()
+ self.test_init()
+
+ def test_init_with_multi_chunks(self):
+ self.setUp_with_multi_chunks()
+ self.test_init()
+
+ def test_parser(self):
+ _res = self.sc.parser(six.binary_type(self.buf))
+ if type(_res) is tuple:
+ res = _res[0]
+ else:
+ res = _res
+ # to calculate the lengths of parameters.
+ self.sc.serialize(None, None)
+
+ eq_(self.src_port, res.src_port)
+ eq_(self.dst_port, res.dst_port)
+ eq_(self.vtag, res.vtag)
+ eq_(self.csum, res.csum)
+ eq_(str(self.chunks), str(res.chunks))
+
+ def test_parser_with_data(self):
+ self.setUp_with_data()
+ self.test_parser()
+
+ def test_parser_with_init(self):
+ self.setUp_with_init()
+ self.test_parser()
+
+ def test_parser_with_init_ack(self):
+ self.setUp_with_init_ack()
+ self.test_parser()
+
+ def test_parser_with_sack(self):
+ self.setUp_with_sack()
+ self.test_parser()
+
+ def test_parser_with_heartbeat(self):
+ self.setUp_with_heartbeat()
+ self.test_parser()
+
+ def test_parser_with_heartbeat_ack(self):
+ self.setUp_with_heartbeat_ack()
+ self.test_parser()
+
+ def test_parser_with_abort(self):
+ self.setUp_with_abort()
+ self.test_parser()
+
+ def test_parser_with_shutdown(self):
+ self.setUp_with_shutdown()
+ self.test_parser()
+
+ def test_parser_with_shutdown_ack(self):
+ self.setUp_with_shutdown_ack()
+ self.test_parser()
+
+ def test_parser_with_error(self):
+ self.setUp_with_error()
+ self.test_parser()
+
+ def test_parser_with_cookie_echo(self):
+ self.setUp_with_cookie_echo()
+ self.test_parser()
+
+ def test_parser_with_cookie_ack(self):
+ self.setUp_with_cookie_ack()
+ self.test_parser()
+
+ def test_parser_with_ecn_echo(self):
+ self.setUp_with_ecn_echo()
+ self.test_parser()
+
+ def test_parser_with_cwr(self):
+ self.setUp_with_cwr()
+ self.test_parser()
+
+ def test_parser_with_shutdown_complete(self):
+ self.setUp_with_shutdown_complete()
+ self.test_parser()
+
+ def test_parser_with_multi_chunks(self):
+ self.setUp_with_multi_chunks()
+ self.test_parser()
+
+ def _test_serialize(self):
+ buf = self.sc.serialize(bytearray(), None)
+ res = struct.unpack_from(sctp.sctp._PACK_STR, buf)
+ eq_(self.src_port, res[0])
+ eq_(self.dst_port, res[1])
+ eq_(self.vtag, res[2])
+ # skip compare checksum
+ # eq_(self.csum, res[3])
+
+ return buf[sctp.sctp._MIN_LEN:]
+
+ def test_serialize(self):
+ self._test_serialize()
+
+ def test_serialize_with_data(self):
+ self.setUp_with_data()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_data._PACK_STR, buf)
+ eq_(sctp.chunk_data.chunk_type(), res[0])
+ flags = (
+ (self.unordered << 2) |
+ (self.begin << 1) |
+ (self.end << 0))
+ eq_(flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.tsn, res[3])
+ eq_(self.sid, res[4])
+ eq_(self.seq, res[5])
+ eq_(self.payload_id, res[6])
+ eq_(self.payload_data, buf[sctp.chunk_data._MIN_LEN:])
+
+ def test_serialize_with_init(self):
+ self.setUp_with_init()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_init._PACK_STR, buf)
+ eq_(sctp.chunk_init.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.init_tag, res[3])
+ eq_(self.a_rwnd, res[4])
+ eq_(self.os, res[5])
+ eq_(self.mis, res[6])
+ eq_(self.i_tsn, res[7])
+
+ buf = buf[sctp.chunk_init._MIN_LEN:]
+ res1 = struct.unpack_from(sctp.param_ipv4._PACK_STR, buf)
+ eq_(sctp.param_ipv4.param_type(), res1[0])
+ eq_(8, res1[1])
+ eq_('192.168.1.1', addrconv.ipv4.bin_to_text(
+ buf[sctp.param_ipv4._MIN_LEN:sctp.param_ipv4._MIN_LEN + 4]))
+
+ buf = buf[8:]
+ res2 = struct.unpack_from(sctp.param_ipv6._PACK_STR, buf)
+ eq_(sctp.param_ipv6.param_type(), res2[0])
+ eq_(20, res2[1])
+ eq_('fe80::647e:1aff:fec4:8284', addrconv.ipv6.bin_to_text(
+ buf[sctp.param_ipv6._MIN_LEN:sctp.param_ipv6._MIN_LEN + 16]))
+
+ buf = buf[20:]
+ res3 = struct.unpack_from(sctp.param_cookie_preserve._PACK_STR,
+ buf)
+ eq_(sctp.param_cookie_preserve.param_type(), res3[0])
+ eq_(8, res3[1])
+ eq_(5000, res3[2])
+
+ buf = buf[8:]
+ res4 = struct.unpack_from(sctp.param_ecn._PACK_STR, buf)
+ eq_(sctp.param_ecn.param_type(), res4[0])
+ eq_(4, res4[1])
+
+ buf = buf[4:]
+ res5 = struct.unpack_from(sctp.param_host_addr._PACK_STR, buf)
+ eq_(sctp.param_host_addr.param_type(), res5[0])
+ eq_(14, res5[1])
+ eq_(b'test host\x00',
+ buf[sctp.param_host_addr._MIN_LEN:
+ sctp.param_host_addr._MIN_LEN + 10])
+
+ buf = buf[16:]
+ res6 = struct.unpack_from(sctp.param_supported_addr._PACK_STR, buf)
+ res6 = list(res6)
+ eq_(sctp.param_supported_addr.param_type(), res6[0])
+ eq_(14, res6[1])
+ buf = buf[sctp.param_supported_addr._MIN_LEN:]
+ offset = 0
+ tmplist = []
+ while offset < len(buf):
+ (tmp, ) = struct.unpack_from('!H', buf, offset)
+ tmplist.append(tmp)
+ offset += struct.calcsize('!H')
+ res6.extend(tmplist)
+ eq_(sctp.PTYPE_IPV4, res6[2])
+ eq_(sctp.PTYPE_IPV6, res6[3])
+ eq_(sctp.PTYPE_COOKIE_PRESERVE, res6[4])
+ eq_(sctp.PTYPE_ECN, res6[5])
+ eq_(sctp.PTYPE_HOST_ADDR, res6[6])
+
+ def test_serialize_with_init_ack(self):
+ self.setUp_with_init_ack()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_init_ack._PACK_STR, buf)
+ eq_(sctp.chunk_init_ack.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.init_tag, res[3])
+ eq_(self.a_rwnd, res[4])
+ eq_(self.os, res[5])
+ eq_(self.mis, res[6])
+ eq_(self.i_tsn, res[7])
+
+ buf = buf[sctp.chunk_init_ack._MIN_LEN:]
+ res1 = struct.unpack_from(sctp.param_state_cookie._PACK_STR, buf)
+ eq_(sctp.param_state_cookie.param_type(), res1[0])
+ eq_(7, res1[1])
+ eq_(b'\x01\x02\x03',
+ buf[sctp.param_state_cookie._MIN_LEN:
+ sctp.param_state_cookie._MIN_LEN + 3])
+
+ buf = buf[8:]
+ res2 = struct.unpack_from(sctp.param_ipv4._PACK_STR, buf)
+ eq_(sctp.param_ipv4.param_type(), res2[0])
+ eq_(8, res2[1])
+ eq_('192.168.1.1', addrconv.ipv4.bin_to_text(
+ buf[sctp.param_ipv4._MIN_LEN:sctp.param_ipv4._MIN_LEN + 4]))
+
+ buf = buf[8:]
+ res3 = struct.unpack_from(sctp.param_ipv6._PACK_STR, buf)
+ eq_(sctp.param_ipv6.param_type(), res3[0])
+ eq_(20, res3[1])
+ eq_('fe80::647e:1aff:fec4:8284', addrconv.ipv6.bin_to_text(
+ buf[sctp.param_ipv6._MIN_LEN:sctp.param_ipv6._MIN_LEN + 16]))
+
+ buf = buf[20:]
+ res4 = struct.unpack_from(
+ sctp.param_unrecognized_param._PACK_STR, buf)
+ eq_(sctp.param_unrecognized_param.param_type(), res4[0])
+ eq_(8, res4[1])
+ eq_(b'\xff\xff\x00\x04',
+ buf[sctp.param_unrecognized_param._MIN_LEN:
+ sctp.param_unrecognized_param._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res5 = struct.unpack_from(sctp.param_ecn._PACK_STR, buf)
+ eq_(sctp.param_ecn.param_type(), res5[0])
+ eq_(4, res5[1])
+
+ buf = buf[4:]
+ res6 = struct.unpack_from(sctp.param_host_addr._PACK_STR, buf)
+ eq_(sctp.param_host_addr.param_type(), res6[0])
+ eq_(14, res6[1])
+ eq_(b'test host\x00',
+ buf[sctp.param_host_addr._MIN_LEN:
+ sctp.param_host_addr._MIN_LEN + 10])
+
+ def test_serialize_with_sack(self):
+ self.setUp_with_sack()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_sack._PACK_STR, buf)
+ eq_(sctp.chunk_sack.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.tsn_ack, res[3])
+ eq_(self.a_rwnd, res[4])
+ eq_(self.gapack_num, res[5])
+ eq_(self.duptsn_num, res[6])
+
+ buf = buf[sctp.chunk_sack._MIN_LEN:]
+ gapacks = []
+ for _ in range(self.gapack_num):
+ (gap_s, gap_e) = struct.unpack_from(
+ sctp.chunk_sack._GAPACK_STR, buf)
+ one = [gap_s, gap_e]
+ gapacks.append(one)
+ buf = buf[sctp.chunk_sack._GAPACK_LEN:]
+ duptsns = []
+ for _ in range(self.duptsn_num):
+ (duptsn, ) = struct.unpack_from(
+ sctp.chunk_sack._DUPTSN_STR, buf)
+ duptsns.append(duptsn)
+ buf = buf[sctp.chunk_sack._DUPTSN_LEN:]
+ eq_(self.gapacks, gapacks)
+ eq_(self.duptsns, duptsns)
+
+ def test_serialize_with_heartbeat(self):
+ self.setUp_with_heartbeat()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_heartbeat._PACK_STR, buf)
+ eq_(sctp.chunk_heartbeat.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+
+ buf = buf[sctp.chunk_heartbeat._MIN_LEN:]
+ res1 = struct.unpack_from(sctp.param_heartbeat._PACK_STR, buf)
+ eq_(sctp.param_heartbeat.param_type(), res1[0])
+ eq_(8, res1[1])
+ eq_(b'\x01\x02\x03\x04',
+ buf[sctp.param_heartbeat._MIN_LEN:
+ sctp.param_heartbeat._MIN_LEN + 4])
+
+ def test_serialize_with_heartbeat_ack(self):
+ self.setUp_with_heartbeat_ack()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_heartbeat_ack._PACK_STR, buf)
+ eq_(sctp.chunk_heartbeat_ack.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+
+ buf = buf[sctp.chunk_heartbeat_ack._MIN_LEN:]
+ res1 = struct.unpack_from(sctp.param_heartbeat._PACK_STR, buf)
+ eq_(sctp.param_heartbeat.param_type(), res1[0])
+ eq_(12, res1[1])
+ eq_(b'\xff\xee\xdd\xcc\xbb\xaa\x99\x88',
+ buf[sctp.param_heartbeat._MIN_LEN:
+ sctp.param_heartbeat._MIN_LEN + 8])
+
+ def test_serialize_with_abort(self):
+ self.setUp_with_abort()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_abort._PACK_STR, buf)
+ eq_(sctp.chunk_abort.chunk_type(), res[0])
+ flags = self.tflag << 0
+ eq_(flags, res[1])
+ eq_(self.length, res[2])
+
+ buf = buf[sctp.chunk_abort._MIN_LEN:]
+ res1 = struct.unpack_from(sctp.cause_invalid_stream_id._PACK_STR, buf)
+ eq_(sctp.cause_invalid_stream_id.cause_code(), res1[0])
+ eq_(8, res1[1])
+ eq_(4096, res1[2])
+
+ buf = buf[8:]
+ res2 = struct.unpack_from(sctp.cause_missing_param._PACK_STR, buf)
+ eq_(sctp.cause_missing_param.cause_code(), res2[0])
+ eq_(16, res2[1])
+ eq_(4, res2[2])
+ types = []
+ for count in range(4):
+ (tmp, ) = struct.unpack_from(
+ '!H', buf, sctp.cause_missing_param._MIN_LEN + 2 * count)
+ types.append(tmp)
+ eq_(str([sctp.PTYPE_IPV4, sctp.PTYPE_IPV6,
+ sctp.PTYPE_COOKIE_PRESERVE, sctp.PTYPE_HOST_ADDR]),
+ str(types))
+
+ buf = buf[16:]
+ res3 = struct.unpack_from(sctp.cause_stale_cookie._PACK_STR, buf)
+ eq_(sctp.cause_stale_cookie.cause_code(), res3[0])
+ eq_(8, res3[1])
+ eq_(b'\x00\x00\x13\x88',
+ buf[sctp.cause_stale_cookie._MIN_LEN:
+ sctp.cause_stale_cookie._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res4 = struct.unpack_from(sctp.cause_out_of_resource._PACK_STR, buf)
+ eq_(sctp.cause_out_of_resource.cause_code(), res4[0])
+ eq_(4, res4[1])
+
+ buf = buf[4:]
+ res5 = struct.unpack_from(
+ sctp.cause_unresolvable_addr._PACK_STR, buf)
+ eq_(sctp.cause_unresolvable_addr.cause_code(), res5[0])
+ eq_(20, res5[1])
+ eq_(b'\x00\x0b\x00\x0e\x74\x65\x73\x74' +
+ b'\x20\x68\x6f\x73\x74\x00\x00\x00',
+ buf[sctp.cause_unresolvable_addr._MIN_LEN:
+ sctp.cause_unresolvable_addr._MIN_LEN + 16])
+
+ buf = buf[20:]
+ res6 = struct.unpack_from(
+ sctp.cause_unrecognized_chunk._PACK_STR, buf)
+ eq_(sctp.cause_unrecognized_chunk.cause_code(), res6[0])
+ eq_(8, res6[1])
+ eq_(b'\xff\x00\x00\x04',
+ buf[sctp.cause_unrecognized_chunk._MIN_LEN:
+ sctp.cause_unrecognized_chunk._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res7 = struct.unpack_from(sctp.cause_invalid_param._PACK_STR, buf)
+ eq_(sctp.cause_invalid_param.cause_code(), res7[0])
+ eq_(4, res7[1])
+
+ buf = buf[4:]
+ res8 = struct.unpack_from(
+ sctp.cause_unrecognized_param._PACK_STR, buf)
+ eq_(sctp.cause_unrecognized_param.cause_code(), res8[0])
+ eq_(8, res8[1])
+ eq_(b'\xff\xff\x00\x04',
+ buf[sctp.cause_unrecognized_param._MIN_LEN:
+ sctp.cause_unrecognized_param._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res9 = struct.unpack_from(sctp.cause_no_userdata._PACK_STR, buf)
+ eq_(sctp.cause_no_userdata.cause_code(), res9[0])
+ eq_(8, res9[1])
+ eq_(b'\x00\x01\xe2\x40',
+ buf[sctp.cause_no_userdata._MIN_LEN:
+ sctp.cause_no_userdata._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res10 = struct.unpack_from(
+ sctp.cause_cookie_while_shutdown._PACK_STR, buf)
+ eq_(sctp.cause_cookie_while_shutdown.cause_code(), res10[0])
+ eq_(4, res10[1])
+
+ buf = buf[4:]
+ res11 = struct.unpack_from(
+ sctp.cause_restart_with_new_addr._PACK_STR, buf)
+ eq_(sctp.cause_restart_with_new_addr.cause_code(), res11[0])
+ eq_(12, res11[1])
+ eq_(b'\x00\x05\x00\x08\xc0\xa8\x01\x01',
+ buf[sctp.cause_restart_with_new_addr._MIN_LEN:
+ sctp.cause_restart_with_new_addr._MIN_LEN + 8])
+
+ buf = buf[12:]
+ res12 = struct.unpack_from(
+ sctp.cause_user_initiated_abort._PACK_STR, buf)
+ eq_(sctp.cause_user_initiated_abort.cause_code(), res12[0])
+ eq_(19, res12[1])
+ eq_(b'Key Interrupt.\x00',
+ buf[sctp.cause_user_initiated_abort._MIN_LEN:
+ sctp.cause_user_initiated_abort._MIN_LEN + 15])
+
+ buf = buf[20:]
+ res13 = struct.unpack_from(
+ sctp.cause_protocol_violation._PACK_STR, buf)
+ eq_(sctp.cause_protocol_violation.cause_code(), res13[0])
+ eq_(20, res13[1])
+ eq_(b'Unknown reason.\x00',
+ buf[sctp.cause_protocol_violation._MIN_LEN:
+ sctp.cause_protocol_violation._MIN_LEN + 16])
+
+ def test_serialize_with_shutdown(self):
+ self.setUp_with_shutdown()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_shutdown._PACK_STR, buf)
+ eq_(sctp.chunk_shutdown.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.tsn_ack, res[3])
+
+ def test_serialize_with_shutdown_ack(self):
+ self.setUp_with_shutdown_ack()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_shutdown_ack._PACK_STR, buf)
+ eq_(sctp.chunk_shutdown_ack.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+
+ def test_serialize_with_error(self):
+ self.setUp_with_error()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_error._PACK_STR, buf)
+ eq_(sctp.chunk_error.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+
+ buf = buf[sctp.chunk_error._MIN_LEN:]
+ res1 = struct.unpack_from(sctp.cause_invalid_stream_id._PACK_STR, buf)
+ eq_(sctp.cause_invalid_stream_id.cause_code(), res1[0])
+ eq_(8, res1[1])
+ eq_(4096, res1[2])
+
+ buf = buf[8:]
+ res2 = struct.unpack_from(sctp.cause_missing_param._PACK_STR, buf)
+ eq_(sctp.cause_missing_param.cause_code(), res2[0])
+ eq_(16, res2[1])
+ eq_(4, res2[2])
+ types = []
+ for count in range(4):
+ (tmp, ) = struct.unpack_from(
+ '!H', buf, sctp.cause_missing_param._MIN_LEN + 2 * count)
+ types.append(tmp)
+ eq_(str([sctp.PTYPE_IPV4, sctp.PTYPE_IPV6,
+ sctp.PTYPE_COOKIE_PRESERVE, sctp.PTYPE_HOST_ADDR]),
+ str(types))
+
+ buf = buf[16:]
+ res3 = struct.unpack_from(sctp.cause_stale_cookie._PACK_STR, buf)
+ eq_(sctp.cause_stale_cookie.cause_code(), res3[0])
+ eq_(8, res3[1])
+ eq_(b'\x00\x00\x13\x88',
+ buf[sctp.cause_stale_cookie._MIN_LEN:
+ sctp.cause_stale_cookie._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res4 = struct.unpack_from(sctp.cause_out_of_resource._PACK_STR, buf)
+ eq_(sctp.cause_out_of_resource.cause_code(), res4[0])
+ eq_(4, res4[1])
+
+ buf = buf[4:]
+ res5 = struct.unpack_from(
+ sctp.cause_unresolvable_addr._PACK_STR, buf)
+ eq_(sctp.cause_unresolvable_addr.cause_code(), res5[0])
+ eq_(20, res5[1])
+ eq_(b'\x00\x0b\x00\x0e\x74\x65\x73\x74' +
+ b'\x20\x68\x6f\x73\x74\x00\x00\x00',
+ buf[sctp.cause_unresolvable_addr._MIN_LEN:
+ sctp.cause_unresolvable_addr._MIN_LEN + 16])
+
+ buf = buf[20:]
+ res6 = struct.unpack_from(
+ sctp.cause_unrecognized_chunk._PACK_STR, buf)
+ eq_(sctp.cause_unrecognized_chunk.cause_code(), res6[0])
+ eq_(8, res6[1])
+ eq_(b'\xff\x00\x00\x04',
+ buf[sctp.cause_unrecognized_chunk._MIN_LEN:
+ sctp.cause_unrecognized_chunk._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res7 = struct.unpack_from(sctp.cause_invalid_param._PACK_STR, buf)
+ eq_(sctp.cause_invalid_param.cause_code(), res7[0])
+ eq_(4, res7[1])
+
+ buf = buf[4:]
+ res8 = struct.unpack_from(
+ sctp.cause_unrecognized_param._PACK_STR, buf)
+ eq_(sctp.cause_unrecognized_param.cause_code(), res8[0])
+ eq_(8, res8[1])
+ eq_(b'\xff\xff\x00\x04',
+ buf[sctp.cause_unrecognized_param._MIN_LEN:
+ sctp.cause_unrecognized_param._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res9 = struct.unpack_from(sctp.cause_no_userdata._PACK_STR, buf)
+ eq_(sctp.cause_no_userdata.cause_code(), res9[0])
+ eq_(8, res9[1])
+ eq_(b'\x00\x01\xe2\x40',
+ buf[sctp.cause_no_userdata._MIN_LEN:
+ sctp.cause_no_userdata._MIN_LEN + 4])
+
+ buf = buf[8:]
+ res10 = struct.unpack_from(
+ sctp.cause_cookie_while_shutdown._PACK_STR, buf)
+ eq_(sctp.cause_cookie_while_shutdown.cause_code(), res10[0])
+ eq_(4, res10[1])
+
+ buf = buf[4:]
+ res11 = struct.unpack_from(
+ sctp.cause_restart_with_new_addr._PACK_STR, buf)
+ eq_(sctp.cause_restart_with_new_addr.cause_code(), res11[0])
+ eq_(12, res11[1])
+ eq_(b'\x00\x05\x00\x08\xc0\xa8\x01\x01',
+ buf[sctp.cause_restart_with_new_addr._MIN_LEN:
+ sctp.cause_restart_with_new_addr._MIN_LEN + 8])
+
+ buf = buf[12:]
+ res12 = struct.unpack_from(
+ sctp.cause_user_initiated_abort._PACK_STR, buf)
+ eq_(sctp.cause_user_initiated_abort.cause_code(), res12[0])
+ eq_(19, res12[1])
+ eq_(b'Key Interrupt.\x00',
+ buf[sctp.cause_user_initiated_abort._MIN_LEN:
+ sctp.cause_user_initiated_abort._MIN_LEN + 15])
+
+ buf = buf[20:]
+ res13 = struct.unpack_from(
+ sctp.cause_protocol_violation._PACK_STR, buf)
+ eq_(sctp.cause_protocol_violation.cause_code(), res13[0])
+ eq_(20, res13[1])
+ eq_(b'Unknown reason.\x00',
+ buf[sctp.cause_protocol_violation._MIN_LEN:
+ sctp.cause_protocol_violation._MIN_LEN + 16])
+
+ def test_serialize_with_cookie_echo(self):
+ self.setUp_with_cookie_echo()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_cookie_echo._PACK_STR, buf)
+ eq_(sctp.chunk_cookie_echo.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.cookie,
+ buf[sctp.chunk_cookie_echo._MIN_LEN:
+ sctp.chunk_cookie_echo._MIN_LEN + 4])
+
+ def test_serialize_with_cookie_ack(self):
+ self.setUp_with_cookie_ack()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_cookie_ack._PACK_STR, buf)
+ eq_(sctp.chunk_cookie_ack.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+
+ def test_serialize_with_ecn_echo(self):
+ self.setUp_with_ecn_echo()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_ecn_echo._PACK_STR, buf)
+ eq_(sctp.chunk_ecn_echo.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.low_tsn, res[3])
+
+ def test_serialize_with_cwr(self):
+ self.setUp_with_cwr()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_cwr._PACK_STR, buf)
+ eq_(sctp.chunk_cwr.chunk_type(), res[0])
+ eq_(self.flags, res[1])
+ eq_(self.length, res[2])
+ eq_(self.low_tsn, res[3])
+
+ def test_serialize_with_shutdown_complete(self):
+ self.setUp_with_shutdown_complete()
+ buf = self._test_serialize()
+ res = struct.unpack_from(
+ sctp.chunk_shutdown_complete._PACK_STR, buf)
+ eq_(sctp.chunk_shutdown_complete.chunk_type(), res[0])
+ flags = self.tflag << 0
+ eq_(flags, res[1])
+ eq_(self.length, res[2])
+
+ def test_serialize_with_multi_chunks(self):
+ self.setUp_with_multi_chunks()
+ buf = self._test_serialize()
+ res = struct.unpack_from(sctp.chunk_sack._PACK_STR, buf)
+ eq_(sctp.chunk_sack.chunk_type(), res[0])
+ eq_(self.s_flags, res[1])
+ eq_(self.s_length, res[2])
+ eq_(self.s_tsn_ack, res[3])
+ eq_(self.s_a_rwnd, res[4])
+ eq_(self.s_gapack_num, res[5])
+ eq_(self.s_duptsn_num, res[6])
+
+ buf = buf[self.s_length:]
+ res = struct.unpack_from(sctp.chunk_data._PACK_STR, buf)
+ eq_(sctp.chunk_data.chunk_type(), res[0])
+ d1_flags = (
+ (self.d1_unordered << 2) |
+ (self.d1_begin << 1) |
+ (self.d1_end << 0))
+ eq_(d1_flags, res[1])
+ eq_(self.d1_length, res[2])
+ eq_(self.d1_tsn, res[3])
+ eq_(self.d1_sid, res[4])
+ eq_(self.d1_seq, res[5])
+ eq_(self.d1_payload_id, res[6])
+ eq_(self.d1_payload_data,
+ buf[sctp.chunk_data._MIN_LEN:
+ sctp.chunk_data._MIN_LEN + 10])
+
+ buf = buf[self.d1_length:]
+ res = struct.unpack_from(sctp.chunk_data._PACK_STR, buf)
+ eq_(sctp.chunk_data.chunk_type(), res[0])
+ d2_flags = (
+ (self.d2_unordered << 2) |
+ (self.d2_begin << 1) |
+ (self.d2_end << 0))
+ eq_(d2_flags, res[1])
+ eq_(self.d2_length, res[2])
+ eq_(self.d2_tsn, res[3])
+ eq_(self.d2_sid, res[4])
+ eq_(self.d2_seq, res[5])
+ eq_(self.d2_payload_id, res[6])
+ eq_(self.d2_payload_data,
+ buf[sctp.chunk_data._MIN_LEN:
+ sctp.chunk_data._MIN_LEN + 10])
+
+ def test_build_sctp(self):
+ eth = ethernet.ethernet('00:aa:aa:aa:aa:aa', '00:bb:bb:bb:bb:bb',
+ ether.ETH_TYPE_IP)
+ ip4 = ipv4.ipv4(4, 5, 16, 0, 0, 2, 0, 64, inet.IPPROTO_SCTP, 0,
+ '192.168.1.1', '10.144.1.1')
+ pkt = eth / ip4 / self.sc
+
+ eth = pkt.get_protocol(ethernet.ethernet)
+ ok_(eth)
+ eq_(eth.ethertype, ether.ETH_TYPE_IP)
+
+ ip4 = pkt.get_protocol(ipv4.ipv4)
+ ok_(ip4)
+ eq_(ip4.proto, inet.IPPROTO_SCTP)
+
+ sc = pkt.get_protocol(sctp.sctp)
+ ok_(sc)
+ eq_(sc, self.sc)
+
+ def test_build_sctp_with_data(self):
+ self.setUp_with_data()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_init(self):
+ self.setUp_with_init()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_init_ack(self):
+ self.setUp_with_init_ack()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_sack(self):
+ self.setUp_with_sack()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_heartbeat(self):
+ self.setUp_with_heartbeat()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_heartbeat_ack(self):
+ self.setUp_with_heartbeat_ack()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_abort(self):
+ self.setUp_with_abort()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_shutdown(self):
+ self.setUp_with_shutdown()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_shutdown_ack(self):
+ self.setUp_with_shutdown_ack()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_error(self):
+ self.setUp_with_error()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_cookie_echo(self):
+ self.setUp_with_cookie_echo()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_cookie_ack(self):
+ self.setUp_with_cookie_ack()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_ecn_echo(self):
+ self.setUp_with_ecn_echo()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_cwr(self):
+ self.setUp_with_cwr()
+ self.test_build_sctp()
+
+ def test_build_sctp_with_shutdown_complete(self):
+ self.setUp_with_shutdown_complete()
+ self.test_build_sctp()
+
+ def tset_build_sctp_with_multi_chunks(self):
+ self.setUp_with_multi_chunks()
+ self.test_build_sctp()
+
+ def test_to_string(self):
+ sctp_values = {'src_port': self.src_port,
+ 'dst_port': self.dst_port,
+ 'vtag': self.vtag,
+ 'csum': self.csum,
+ 'chunks': self.chunks}
+ _sctp_str = ','.join(['%s=%s' % (k, sctp_values[k])
+ for k, _ in inspect.getmembers(self.sc)
+ if k in sctp_values])
+ sctp_str = '%s(%s)' % (sctp.sctp.__name__, _sctp_str)
+
+ eq_(str(self.sc), sctp_str)
+ eq_(repr(self.sc), sctp_str)
+
+ def test_to_string_with_data(self):
+ self.setUp_with_data()
+ self.test_to_string()
+
+ def test_to_string_with_init(self):
+ self.setUp_with_init()
+ self.test_to_string()
+
+ def test_to_string_with_init_ack(self):
+ self.setUp_with_init_ack()
+ self.test_to_string()
+
+ def test_to_string_with_sack(self):
+ self.setUp_with_sack()
+ self.test_to_string()
+
+ def test_to_string_with_heartbeat(self):
+ self.setUp_with_heartbeat()
+ self.test_to_string()
+
+ def test_to_string_with_heartbeat_ack(self):
+ self.setUp_with_heartbeat_ack()
+ self.test_to_string()
+
+ def test_to_string_with_abort(self):
+ self.setUp_with_abort()
+ self.test_to_string()
+
+ def test_to_string_with_shutdown(self):
+ self.setUp_with_shutdown()
+ self.test_to_string()
+
+ def test_to_string_with_shutdown_ack(self):
+ self.setUp_with_shutdown_ack()
+ self.test_to_string()
+
+ def test_to_string_with_error(self):
+ self.setUp_with_error()
+ self.test_to_string()
+
+ def test_to_string_with_cookie_echo(self):
+ self.setUp_with_cookie_echo()
+ self.test_to_string()
+
+ def test_to_string_with_cookie_ack(self):
+ self.setUp_with_cookie_ack()
+ self.test_to_string()
+
+ def test_to_string_with_ecn_echo(self):
+ self.setUp_with_ecn_echo()
+ self.test_to_string()
+
+ def test_to_string_with_cwr(self):
+ self.setUp_with_cwr()
+ self.test_to_string()
+
+ def test_to_string_with_shutdown_complete(self):
+ self.setUp_with_shutdown_complete()
+ self.test_to_string()
+
+ def test_to_string_with_multi_chunks(self):
+ self.setUp_with_multi_chunks()
+ self.test_to_string()
+
+ def test_json(self):
+ jsondict = self.sc.to_jsondict()
+ sc = sctp.sctp.from_jsondict(jsondict['sctp'])
+ eq_(str(self.sc), str(sc))
+
+ def test_json_with_data(self):
+ self.setUp_with_data()
+ self.test_json()
+
+ def test_json_with_init(self):
+ self.setUp_with_init()
+ self.test_json()
+
+ def test_json_with_init_ack(self):
+ self.setUp_with_init_ack()
+ self.test_json()
+
+ def test_json_with_sack(self):
+ self.setUp_with_sack()
+ self.test_json()
+
+ def test_json_with_heartbeat(self):
+ self.setUp_with_heartbeat()
+ self.test_json()
+
+ def test_json_with_heartbeat_ack(self):
+ self.setUp_with_heartbeat_ack()
+ self.test_json()
+
+ def test_json_with_abort(self):
+ self.setUp_with_abort()
+ self.test_json()
+
+ def test_json_with_shutdown(self):
+ self.setUp_with_shutdown()
+ self.test_json()
+
+ def test_json_with_shutdown_ack(self):
+ self.setUp_with_shutdown_ack()
+ self.test_json()
+
+ def test_json_with_error(self):
+ self.setUp_with_error()
+ self.test_json()
+
+ def test_json_with_cookie_echo(self):
+ self.setUp_with_cookie_echo()
+ self.test_json()
+
+ def test_json_with_cookie_ack(self):
+ self.setUp_with_cookie_ack()
+ self.test_json()
+
+ def test_json_with_ecn_echo(self):
+ self.setUp_with_ecn_echo()
+ self.test_json()
+
+ def test_json_with_cwr(self):
+ self.setUp_with_cwr()
+ self.test_json()
+
+ def test_json_with_shutdown_complete(self):
+ self.setUp_with_shutdown_complete()
+ self.test_json()
+
+ def test_json_with_multi_chunks(self):
+ self.setUp_with_multi_chunks()
+ self.test_json()
projects / vsorcdistro / .git / blobdiff