class Test(unittest.TestCase):
def setUp(self):
'''
topology:
box1: 1,2,3
box2: 4,5,10
box3: 6,7,11
box4: 8,9,12
2<-->4
3<-->6
5<-->8
7<-->9
box1:
(1010xxxx,1) --> (1010xxxx,2)
(10001xxx,1) --> (10000xxx,2)
(10xxxxxx,[1,2]) --> (10xxxxxx,3)
box2:
(1011xxxx,4) --> (10101xxx,5)
(10xxxxxx,4) --> (111xxxxx,5)
box 3:
(101xxxxx,[6,11]) --> (101xx111,7)
box 4:
(xxx010xx,8) --> (xxx010xx,12)
'''
self.N = NetPlumber(1)
self.rule_ids = []
self.N.add_link(2,4)
self.N.add_link(4, 2)
self.N.add_link(3, 6)
self.N.add_link(6, 3)
self.N.add_link(5, 8)
self.N.add_link(8, 5)
self.N.add_link(7, 9)
self.N.add_link(9, 7)
self.rule_ids.append(self.N.add_rule("B1", -1, [1], [2], \
wildcard_create_from_string("1010xxxx"), \
None, \
None))
self.rule_ids.append(self.N.add_rule("B1", -1, [1], [2], \
wildcard_create_from_string("10001xxx"), \
None, \
None))
self.rule_ids.append(self.N.add_rule("B1", -1, [1,2], [3], \
wildcard_create_from_string("10xxxxxx"), \
None, \
None))
self.rule_ids.append(self.N.add_rule("B2", -1, [4], [5], \
wildcard_create_from_string("1011xxxx"), \
wildcard_create_from_string("11100111"), \
wildcard_create_from_string("00001000")))
self.rule_ids.append(self.N.add_rule("B2", -1, [4], [5], \
wildcard_create_from_string("10xxxxxx"), \
wildcard_create_from_string("10011111"), \
wildcard_create_from_string("01100000")))
self.rule_ids.append(self.N.add_rule("B3", -1, [6,11], [7], \
wildcard_create_from_string("101xxxxx"), \
wildcard_create_from_string("11111000"), \
wildcard_create_from_string("00000111")))
self.rule_ids.append(self.N.add_rule("B4", -1, [8], [12], \
wildcard_create_from_string("xxx010xx"), \
None, \
None))
def tearDown(self):
pass
def _checkPipelines(self,pipelines):
for i in range(len(self.rule_ids)):
r = self.N.node_by_id[self.rule_ids[i]]
self.assertEqual(len(r.next_in_pipeline),pipelines[i][0])
self.assertEqual(len(r.previous_in_pipeline),pipelines[i][1])
def _checkInfluencedBy(self,dependencies):
for i in range(len(self.rule_ids)):
r = self.N.node_by_id[self.rule_ids[i]]
self.assertEqual(len(r.affected_by),dependencies[i])
def _checkSourceFlow(self,source_flows):
for i in range(len(self.rule_ids)):
r = self.N.node_by_id[self.rule_ids[i]]
d_count = 0
i_count = 0
for s_flow in r.source_flow:
i_count += s_flow[0].count()
d_count += s_flow[0].count_diff()
self.assertEqual(i_count,source_flows[i][0])
self.assertEqual(d_count,source_flows[i][1])
def testSetupPlumbing(self):
dependencies = [0,0,2,0,1,0,0]
pipelines = [(1,0),(1,0),(1,0),(1,0),(1,2),(0,1),(0,2)]
source_flows = [(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0)]
self._checkInfluencedBy(dependencies)
self._checkPipelines(pipelines)
self._checkSourceFlow(source_flows)
#self.N.print_pluming_network()
def testRemoveRuleFromPlumbing(self):
dependencies = [0,0,2,0,0,0]
pipelines = [(0,0),(0,0),(1,0),(1,0),(0,1),(0,1)]
self.N.remove_rule(self.rule_ids[4])
self.rule_ids.remove(self.rule_ids[4])
self._checkInfluencedBy(dependencies)
self._checkPipelines(pipelines)
def testAddSource(self):
self.N.add_link(1, 100)
self.N.add_link(100, 1)
s = headerspace(1)
s.add_hs(wildcard_create_from_string("1xxxxxxx"))
self.N.add_source("client", s, [100])
source_flows = [(1,0),(1,0),(1,2),(0,0),(2,0),(1,1),(2,0)]
pipelines = [(1,1),(1,1),(1,1),(1,0),(1,2),(0,1),(0,2)]
self._checkPipelines(pipelines)
self._checkSourceFlow(source_flows)
#self.N.print_pluming_network(True)
def testRemoveSource(self):
self.testAddSource()
self.N.remove_source("client")
#self.N.print_pluming_network(True)
self.testSetupPlumbing()
def testAddRemoveRule(self):
# remove rule 4 and add a source and verify everything is correct
self.N.remove_rule(self.rule_ids[4])
self.rule_ids.remove(self.rule_ids[4])
self.N.add_link(1, 100)
self.N.add_link(100, 1)
s = headerspace(1)
s.add_hs(wildcard_create_from_string("1xxxxxxx"))
self.N.add_source("client", s, [100])
source_flows = [(1,0),(1,0),(1,2),(0,0),(1,1),(0,0)]
pipelines = [(0,1),(0,1),(1,1),(1,0),(0,1),(0,1)]
self._checkPipelines(pipelines)
self._checkSourceFlow(source_flows)
# Now adding back the same rule, verify things are correct
self.rule_ids.append(self.N.add_rule("B2", -1, [4], [5], \
wildcard_create_from_string("10xxxxxx"), \
wildcard_create_from_string("10011111"), \
wildcard_create_from_string("01100000")))
source_flows = [(1,0),(1,0),(1,2),(0,0),(1,1),(2,0),(2,0)]
pipelines = [(1,1),(1,1),(1,1),(1,0),(0,1),(0,2),(1,2)]
self._checkPipelines(pipelines)
self._checkSourceFlow(source_flows)
def testAddRemoveLink(self):
# test removing a link
self.testAddSource()
self.N.remove_link(2, 4)
source_flows = [(1,0),(1,0),(1,2),(0,0),(0,0),(1,1),(0,0)]
pipelines = [(0,1),(0,1),(1,1),(1,0),(1,0),(0,1),(0,2)]
self.N.print_pluming_network(True)
self._checkPipelines(pipelines)
self._checkSourceFlow(source_flows)
# test adding the link back
self.N.add_link(2, 4)
source_flows = [(1,0),(1,0),(1,2),(0,0),(2,0),(1,1),(2,0)]
pipelines = [(1,1),(1,1),(1,1),(1,0),(1,2),(0,1),(0,2)]
self.N.print_pluming_network(True)
self._checkPipelines(pipelines)
self._checkSourceFlow(source_flows)
def testSourceReachabilityProbe(self):
self.N.add_link(1, 100)
self.N.add_link(100, 1)
s = headerspace(1)
s.add_hs(wildcard_create_from_string("1xxxxxxx"))
self.N.add_source("client", s, [100])
self.N.add_link(12, 200)
self.N.add_link(200,12)
self.N.add_source_reachability_probe("no-flow-from-client", [1], [200],\
wildcard_create_from_string("xxxxxxxx"))
probe_state = self.N.get_source_probe_state("no-flow-from-client")
self.assertEqual(len(probe_state),2)
#self.N.print_pluming_network(True)
self.N.remove_source_reachability_probe("no-flow-from-client")
self.N.remove_source("client")
self.testSetupPlumbing()