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1
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"""
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2
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Test tracing.trace_manager
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3
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"""
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4
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import time
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5
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from unittest import TestCase
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6
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from unittest.mock import patch, MagicMock
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7
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8
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from napps.amlight.sdntrace import settings
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9
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from napps.amlight.sdntrace.tracing.trace_manager import TraceManager
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10
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from napps.amlight.sdntrace.tracing.trace_entries import TraceEntries
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11
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from napps.amlight.sdntrace.shared.switches import Switches
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12
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13
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from kytos.lib.helpers import (
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14
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get_interface_mock,
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15
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get_link_mock,
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16
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get_switch_mock,
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17
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get_controller_mock,
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18
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)
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19
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20
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21
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# pylint: disable=protected-access
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22
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class TestTraceManager(TestCase):
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23
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"""Unit tests for tracing.trace_manager.TraceManager"""
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24
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25
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def setUp(self):
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26
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self.create_basic_switches(get_controller_mock())
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27
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28
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# The decorator run_on_thread is patched, so methods that listen
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29
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# for events do not run on threads while tested.
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30
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# Decorators have to be patched before the methods that are
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31
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# decorated with them are imported.
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32
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patch("kytos.core.helpers.run_on_thread", lambda x: x).start()
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33
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34
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self.addCleanup(patch.stopall)
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35
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self.trace_manager = TraceManager(controller=get_controller_mock())
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36
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37
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def tearDown(self) -> None:
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38
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self.trace_manager.stop_traces()
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39
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return super().tearDown()
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40
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41
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View Code Duplication |
@classmethod
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42
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def create_basic_switches(cls, controller):
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43
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"""Create basic mock switches for Kytos controller."""
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44
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dpid_a = "00:00:00:00:00:00:00:01"
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45
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dpid_b = "00:00:00:00:00:00:00:02"
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46
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47
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mock_switch_a = get_switch_mock(dpid_a, 0x04)
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48
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mock_switch_b = get_switch_mock(dpid_b, 0x04)
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49
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mock_interface_a = get_interface_mock("s1-eth1", 1, mock_switch_a)
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50
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mock_interface_b = get_interface_mock("s2-eth1", 1, mock_switch_b)
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51
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52
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mock_link = get_link_mock(mock_interface_a, mock_interface_b)
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53
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mock_link.id = "cf0f4071be4"
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54
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mock_switch_a.id = dpid_a
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55
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mock_switch_a.as_dict.return_value = {"metadata": {}}
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56
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mock_switch_b.id = dpid_b
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57
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mock_switch_b.as_dict.return_value = {"metadata": {}}
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58
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59
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controller.switches = {dpid_a: mock_switch_a, dpid_b: mock_switch_b}
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60
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61
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Switches().set_switches(controller.switches)
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62
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63
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def test_is_entry_invalid(self):
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64
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"""Test if the entry request does not have a valid switch."""
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65
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eth = {"dl_vlan": 100}
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66
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dpid = {"dpid": "a", "in_port": 1}
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67
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switch = {"switch": dpid, "eth": eth}
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68
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entries = {"trace": switch}
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69
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entry = self.trace_manager.is_entry_valid(entries)
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70
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71
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self.assertEqual(entry, "Unknown Switch")
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72
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73
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def test_is_entry_empty_dpid(self):
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74
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"""Test if the entry request does not have a valid switch."""
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75
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eth = {"dl_vlan": 100}
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76
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dpid = {"dpid": "", "in_port": 1}
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77
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switch = {"switch": dpid, "eth": eth}
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78
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entries = {"trace": switch}
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79
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entry = self.trace_manager.is_entry_valid(entries)
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|
80
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|
81
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self.assertEqual(
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82
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entry, "Error: dpid allows [a-f], int, and :. Lengths: 1-16 and 23"
|
|
83
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)
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84
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|
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|
|
85
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def test_is_entry_missing_dpid(self):
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86
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"""Test if the entry request with missing dpid."""
|
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87
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eth = {"dl_vlan": 100}
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88
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dpid = {}
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89
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switch = {"switch": dpid, "eth": eth}
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90
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entries = {"trace": switch}
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91
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entry = self.trace_manager.is_entry_valid(entries)
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92
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|
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93
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self.assertEqual(entry, "Error: dpid not provided")
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94
|
|
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|
|
95
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|
def test_is_entry_invalid_not_colored(self):
|
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96
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"""Test if the entry request does not have a valid color."""
|
|
97
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|
eth = {"dl_vlan": 100}
|
|
98
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|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
|
|
99
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switch = {"switch": dpid, "eth": eth}
|
|
100
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|
entries = {"trace": switch}
|
|
101
|
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entry = self.trace_manager.is_entry_valid(entries)
|
|
102
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self.assertEqual(entry, "Switch not Colored")
|
|
103
|
|
|
|
|
104
|
|
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
|
|
105
|
|
|
def test_is_entry_valid(self, mock_colors):
|
|
106
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|
|
"""Test if the entry request is valid."""
|
|
107
|
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|
mock_colors.return_value = "ee:ee:ee:ee:ee:01"
|
|
108
|
|
|
|
|
109
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eth = {"dl_vlan": 100}
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110
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dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
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111
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|
switch = {"switch": dpid, "eth": eth}
|
|
112
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entries = {"trace": switch}
|
|
113
|
|
|
entry = self.trace_manager.is_entry_valid(entries)
|
|
114
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self.assertEqual(entry.dpid, "00:00:00:00:00:00:00:01")
|
|
115
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|
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|
116
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|
View Code Duplication |
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
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|
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|
117
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|
|
def test_new_trace(self, mock_colors):
|
|
118
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|
|
"""Test trace manager new trace creation."""
|
|
119
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|
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mock_colors.return_value = "ee:ee:ee:ee:ee:01"
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|
120
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|
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|
|
121
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eth = {"dl_vlan": 100}
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122
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dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
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|
123
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switch = {"switch": dpid, "eth": eth}
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|
124
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entries = {"trace": switch}
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|
125
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|
|
126
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trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
127
|
|
|
self.assertIsInstance(trace_entries, TraceEntries)
|
|
128
|
|
|
|
|
129
|
|
|
trace_id = self.trace_manager.new_trace(trace_entries)
|
|
130
|
|
|
self.assertEqual(trace_id, 30001)
|
|
131
|
|
|
|
|
132
|
|
|
# new_trace does not check duplicated request.
|
|
133
|
|
|
trace_id = self.trace_manager.new_trace(trace_entries)
|
|
134
|
|
|
self.assertEqual(trace_id, 30002)
|
|
135
|
|
|
|
|
136
|
|
|
def test_get_id(self):
|
|
137
|
|
|
"""Test trace manager ID control."""
|
|
138
|
|
|
trace_id = self.trace_manager.get_id()
|
|
139
|
|
|
self.assertEqual(trace_id, 30001)
|
|
140
|
|
|
|
|
141
|
|
|
trace_id = self.trace_manager.get_id()
|
|
142
|
|
|
self.assertEqual(trace_id, 30002)
|
|
143
|
|
|
|
|
144
|
|
|
trace_id = self.trace_manager.get_id()
|
|
145
|
|
|
self.assertEqual(trace_id, 30003)
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|
146
|
|
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|
|
147
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|
View Code Duplication |
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
|
|
|
|
|
|
|
148
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe")
|
|
149
|
|
|
def test_trace_pending(self, mock_send_probe, mock_colors):
|
|
150
|
|
|
"""Test trace manager tracing request."""
|
|
151
|
|
|
mock_colors.return_value = "ee:ee:ee:ee:ee:01"
|
|
152
|
|
|
mock_send_probe.return_value = {
|
|
153
|
|
|
"dpid": "00:00:00:00:00:00:00:01",
|
|
154
|
|
|
"port": 1,
|
|
155
|
|
|
}, ""
|
|
156
|
|
|
|
|
157
|
|
|
eth = {"dl_vlan": 100}
|
|
158
|
|
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
|
|
159
|
|
|
switch = {"switch": dpid, "eth": eth}
|
|
160
|
|
|
entries = {"trace": switch}
|
|
161
|
|
|
|
|
162
|
|
|
trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
163
|
|
|
self.assertIsInstance(trace_entries, TraceEntries)
|
|
164
|
|
|
|
|
165
|
|
|
trace_id = self.trace_manager.new_trace(trace_entries)
|
|
166
|
|
|
self.assertEqual(trace_id, 30001)
|
|
167
|
|
|
|
|
168
|
|
|
pending = self.trace_manager.number_pending_requests()
|
|
169
|
|
|
self.assertEqual(pending, 1)
|
|
170
|
|
|
|
|
171
|
|
|
result = self.trace_manager.get_result(trace_id)
|
|
172
|
|
|
self.assertEqual(result, {"msg": "trace pending"})
|
|
173
|
|
|
|
|
174
|
|
|
def test_request_invalid_trace_id(self):
|
|
175
|
|
|
"""Test trace manager tracing request."""
|
|
176
|
|
|
result = self.trace_manager.get_result("1234")
|
|
177
|
|
|
self.assertEqual(result, {"msg": "unknown trace id"})
|
|
178
|
|
|
|
|
179
|
|
View Code Duplication |
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
|
|
|
|
|
|
|
180
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe")
|
|
181
|
|
|
def test_trace_in_process(self, mock_send_probe, mock_colors):
|
|
182
|
|
|
"""Test trace manager tracing request and processing."""
|
|
183
|
|
|
mock_colors.return_value = "ee:ee:ee:ee:ee:01"
|
|
184
|
|
|
mock_send_probe.return_value = {
|
|
185
|
|
|
"dpid": "00:00:00:00:00:00:00:01",
|
|
186
|
|
|
"port": 1,
|
|
187
|
|
|
}, ""
|
|
188
|
|
|
|
|
189
|
|
|
eth = {"dl_vlan": 100}
|
|
190
|
|
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
|
|
191
|
|
|
switch = {"switch": dpid, "eth": eth}
|
|
192
|
|
|
entries = {"trace": switch}
|
|
193
|
|
|
|
|
194
|
|
|
trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
195
|
|
|
self.assertIsInstance(trace_entries, TraceEntries)
|
|
196
|
|
|
|
|
197
|
|
|
trace_id = self.trace_manager.new_trace(trace_entries)
|
|
198
|
|
|
self.assertEqual(trace_id, 30001)
|
|
199
|
|
|
|
|
200
|
|
|
pending = self.trace_manager.number_pending_requests()
|
|
201
|
|
|
self.assertEqual(pending, 1)
|
|
202
|
|
|
|
|
203
|
|
|
while pending == 1:
|
|
204
|
|
|
result = self.trace_manager.get_result(trace_id)
|
|
205
|
|
|
pending = self.trace_manager.number_pending_requests()
|
|
206
|
|
|
time.sleep(0.1)
|
|
207
|
|
|
|
|
208
|
|
|
self.assertEqual(result, {"msg": "trace in process"})
|
|
|
|
|
|
|
209
|
|
|
|
|
210
|
|
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
|
|
211
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe")
|
|
212
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.tracepath_loop")
|
|
213
|
|
|
def test_get_result(self, mock_trace_loop, mock_send_probe, mock_colors):
|
|
214
|
|
|
"""Test tracemanager tracing request and resultS."""
|
|
215
|
|
|
mock_colors.return_value = "ee:ee:ee:ee:ee:01"
|
|
216
|
|
|
mock_send_probe.return_value = {
|
|
217
|
|
|
"dpid": "00:00:00:00:00:00:00:01",
|
|
218
|
|
|
"port": 1,
|
|
219
|
|
|
}, ""
|
|
220
|
|
|
mock_trace_loop.return_value = True
|
|
221
|
|
|
|
|
222
|
|
|
eth = {"dl_vlan": 100}
|
|
223
|
|
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
|
|
224
|
|
|
switch = {"switch": dpid, "eth": eth}
|
|
225
|
|
|
entries = {"trace": switch}
|
|
226
|
|
|
|
|
227
|
|
|
trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
228
|
|
|
trace_id = self.trace_manager.new_trace(trace_entries)
|
|
229
|
|
|
pending = self.trace_manager.number_pending_requests()
|
|
230
|
|
|
|
|
231
|
|
|
# Waiting thread to start processing the request
|
|
232
|
|
|
count = 0
|
|
233
|
|
|
while pending == 1:
|
|
234
|
|
|
result = self.trace_manager.get_result(trace_id)
|
|
235
|
|
|
pending = self.trace_manager.number_pending_requests()
|
|
236
|
|
|
time.sleep(0.1)
|
|
237
|
|
|
count += 1
|
|
238
|
|
|
if count > 30:
|
|
239
|
|
|
self.fail("Timeout waiting to start processing trace")
|
|
240
|
|
|
break
|
|
241
|
|
|
|
|
242
|
|
|
count = 0
|
|
243
|
|
|
result = self.trace_manager.get_result(trace_id)
|
|
244
|
|
|
# Waiting thread to process the request
|
|
245
|
|
|
while "msg" in result and result["msg"] == "trace in process":
|
|
246
|
|
|
result = self.trace_manager.get_result(trace_id)
|
|
247
|
|
|
time.sleep(0.1)
|
|
248
|
|
|
count += 1
|
|
249
|
|
|
if count > 30:
|
|
250
|
|
|
self.fail("Timeout waiting to process trace")
|
|
251
|
|
|
break
|
|
252
|
|
|
|
|
253
|
|
|
self.assertEqual(result["request_id"], 30001)
|
|
254
|
|
|
self.assertEqual(result["result"][0]["type"], "starting")
|
|
255
|
|
|
self.assertEqual(
|
|
256
|
|
|
result["result"][0]["dpid"], "00:00:00:00:00:00:00:01"
|
|
257
|
|
|
)
|
|
258
|
|
|
self.assertEqual(result["result"][0]["port"], 1)
|
|
259
|
|
|
self.assertIsNotNone(result["result"][0]["time"])
|
|
260
|
|
|
self.assertIsNotNone(result["start_time"])
|
|
261
|
|
|
self.assertIsNotNone(result["total_time"])
|
|
262
|
|
|
self.assertEqual(
|
|
263
|
|
|
result["request"]["trace"]["switch"]["dpid"],
|
|
264
|
|
|
"00:00:00:00:00:00:00:01",
|
|
265
|
|
|
)
|
|
266
|
|
|
self.assertEqual(result["request"]["trace"]["switch"]["in_port"], 1)
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267
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268
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View Code Duplication |
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
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269
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def test_duplicated_request(self, mock_colors):
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270
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"""Test trace manager new trace creation."""
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271
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mock_colors.return_value = "ee:ee:ee:ee:ee:01"
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272
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|
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273
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eth = {"dl_vlan": 100}
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274
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dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
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275
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switch = {"switch": dpid, "eth": eth}
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|
276
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entries = {"trace": switch}
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277
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|
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|
|
278
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trace_entries = self.trace_manager.is_entry_valid(entries)
|
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279
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self.assertIsInstance(trace_entries, TraceEntries)
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|
280
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|
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|
|
281
|
|
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trace_id = self.trace_manager.new_trace(trace_entries)
|
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282
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self.assertEqual(trace_id, 30001)
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283
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|
|
284
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duplicated = self.trace_manager.avoid_duplicated_request(trace_entries)
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285
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|
self.assertEqual(duplicated, True)
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286
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|
|
287
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@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
|
|
288
|
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|
def test_avoid_duplicated_request(self, mock_colors):
|
|
289
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"""Test trace manager new trace creation."""
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|
290
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|
mock_colors.return_value = "ee:ee:ee:ee:ee:01"
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291
|
|
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|
|
292
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eth = {"dl_vlan": 100}
|
|
293
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|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
|
|
294
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switch = {"switch": dpid, "eth": eth}
|
|
295
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|
entries = {"trace": switch}
|
|
296
|
|
|
|
|
297
|
|
|
trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
298
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|
|
self.assertIsInstance(trace_entries, TraceEntries)
|
|
299
|
|
|
|
|
300
|
|
|
trace_id = self.trace_manager.new_trace(trace_entries)
|
|
301
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self.assertEqual(trace_id, 30001)
|
|
302
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|
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|
|
303
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|
entries["trace"]["switch"]["dpid"] = "00:00:00:00:00:00:00:02"
|
|
304
|
|
|
trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
305
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|
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self.assertIsInstance(trace_entries, TraceEntries)
|
|
306
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|
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|
|
307
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|
|
duplicated = self.trace_manager.avoid_duplicated_request(trace_entries)
|
|
308
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|
self.assertEqual(duplicated, False)
|
|
309
|
|
|
|
|
310
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|
|
def test_limit_traces_reached(self):
|
|
311
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|
"""Test trace manager limit for thread processing."""
|
|
312
|
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|
# filling the running traces array
|
|
313
|
|
|
for i in range(settings.PARALLEL_TRACES - 1):
|
|
314
|
|
|
self.trace_manager._running_traces[i] = i
|
|
315
|
|
|
is_limit = self.trace_manager.limit_traces_reached()
|
|
316
|
|
|
self.assertFalse(is_limit)
|
|
317
|
|
|
|
|
318
|
|
|
self.trace_manager._running_traces[settings.PARALLEL_TRACES] = 9999
|
|
319
|
|
|
is_limit = self.trace_manager.limit_traces_reached()
|
|
320
|
|
|
self.assertTrue(is_limit)
|
|
321
|
|
|
|
|
322
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.tracepath")
|
|
323
|
|
|
def test_spawn_trace(self, mock_tracepath):
|
|
324
|
|
|
"""Test spawn trace."""
|
|
325
|
|
|
# mock_tracepath
|
|
326
|
|
|
trace_id = 0
|
|
327
|
|
|
trace_entries = MagicMock()
|
|
328
|
|
|
|
|
329
|
|
|
self.trace_manager._running_traces[0] = 9999
|
|
330
|
|
|
|
|
331
|
|
|
self.trace_manager._spawn_trace(trace_id, trace_entries)
|
|
332
|
|
|
|
|
333
|
|
|
mock_tracepath.assert_called_once()
|
|
334
|
|
|
self.assertEqual(len(self.trace_manager._running_traces), 0)
|
|
335
|
|
|
|
|
336
|
|
|
|
|
337
|
|
|
class TestTraceManagerTheadTest(TestCase):
|
|
338
|
|
|
"""Now, load all entries at once"""
|
|
339
|
|
|
|
|
340
|
|
|
def setUp(self):
|
|
341
|
|
|
|
|
342
|
|
|
# The decorator run_on_thread is patched, so methods that listen
|
|
343
|
|
|
# for events do not run on threads while tested.
|
|
344
|
|
|
# Decorators have to be patched before the methods that are
|
|
345
|
|
|
# decorated with them are imported.
|
|
346
|
|
|
patch("kytos.core.helpers.run_on_thread", lambda x: x).start()
|
|
347
|
|
|
# pylint: disable=import-outside-toplevel
|
|
348
|
|
|
self.addCleanup(patch.stopall)
|
|
349
|
|
|
|
|
350
|
|
|
self.trace_manager = TraceManager(controller=get_controller_mock())
|
|
351
|
|
|
self.trace_manager.stop_traces()
|
|
352
|
|
|
|
|
353
|
|
|
self.count_running_traces = 0
|
|
354
|
|
|
|
|
355
|
|
|
def run_trace_once(self):
|
|
356
|
|
|
"""function to replace the <flag> in "while <flag>()" code
|
|
357
|
|
|
to run the loop just once."""
|
|
358
|
|
|
if self.count_running_traces == 0:
|
|
359
|
|
|
self.count_running_traces = self.count_running_traces + 1
|
|
360
|
|
|
return True
|
|
361
|
|
|
return False
|
|
362
|
|
|
|
|
363
|
|
|
@patch("napps.amlight.sdntrace.shared.colors.Colors.get_switch_color")
|
|
364
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.send_trace_probe")
|
|
365
|
|
|
@patch("napps.amlight.sdntrace.tracing.tracer.TracePath.tracepath_loop")
|
|
366
|
|
|
def test_run_traces(self, mock_trace_loop, mock_send_probe, mock_colors):
|
|
367
|
|
|
"""Test tracemanager tracing request and resultS."""
|
|
368
|
|
|
mock_colors.return_value = "ee:ee:ee:ee:ee:01"
|
|
369
|
|
|
mock_send_probe.return_value = {
|
|
370
|
|
|
"dpid": "00:00:00:00:00:00:00:01",
|
|
371
|
|
|
"port": 1,
|
|
372
|
|
|
}, ""
|
|
373
|
|
|
mock_trace_loop.return_value = True
|
|
374
|
|
|
|
|
375
|
|
|
eth = {"dl_vlan": 100}
|
|
376
|
|
|
dpid = {"dpid": "00:00:00:00:00:00:00:01", "in_port": 1}
|
|
377
|
|
|
switch = {"switch": dpid, "eth": eth}
|
|
378
|
|
|
entries = {"trace": switch}
|
|
379
|
|
|
|
|
380
|
|
|
trace_entries = self.trace_manager.is_entry_valid(entries)
|
|
381
|
|
|
|
|
382
|
|
|
self.trace_manager._request_queue[1] = trace_entries
|
|
383
|
|
|
|
|
384
|
|
|
with patch.object(
|
|
385
|
|
|
TraceManager, "is_tracing_running", side_effect=self.run_trace_once
|
|
386
|
|
|
):
|
|
387
|
|
|
self.trace_manager._run_traces(0.5)
|
|
388
|
|
|
|
|
389
|
|
|
self.assertEqual(len(self.trace_manager._request_queue), 0)
|
|
390
|
|
|
self.assertEqual(self.trace_manager.number_pending_requests(), 0)
|
|
391
|
|
|
|
kytos-ng /
sdntrace
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