1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
import Queue
import stem.control
import logging
# Introduction Point Tracking
node_intro_circuits = {}
node_intro_events = {}
# node_events
introduction_point_circuits = {}
nodes_by_fingerprint = {}
#{ nodenum: { circuit: "fingerprint", circuit: "fingerprint" } }
def get_node_fingerprints(nodes):
for n in nodes:
fingerprint = n.getStemController().get_info("fingerprint")
nodes_by_fingerprint[fingerprint] = n
return nodes_by_fingerprint
def track_introduction_points(node):
nodenum = node._env["nodenum"]
nodenick = node._env["nick"]
node_intro_circuits[nodenum] = {}
node_intro_events[nodenum] = Queue.Queue()
def listener(logevent):
prefix = "rend_service_intro_has_opened(): Established circuit "
if logevent.message.startswith(prefix):
circuit = logevent.message[len(prefix):].split(" ")[0]
fingerprint = logevent.message[len(prefix):].split(" ")[1][1:]
node_intro_circuits[nodenum][circuit] = fingerprint
added_intro_node = nodes_by_fingerprint[fingerprint]
logging.info("%s: added %s (%s)" % (nodenick, added_intro_node._env["nick"], fingerprint))
node_intro_events[nodenum].put(("added", fingerprint))
"""prefix = "rend_services_introduce(): Giving up on "
if logevent.message.startswith(prefix) or "Giving up on" in logevent.message:
fingerprint = logevent.message[len(prefix):].split(" ")[0][1:41]
for_deletion = []
for circuit, fp in node_intro_circuits[nodenum].iteritems():
#log("circuit " + str(circuit) + " fp " + str(fp))
if fingerprint == fp:
for_deletion.append(circuit)
if len(for_deletion) == 0:
logging.info("got log message " + logevent.message + " but not deleting an introduction point")
for circuit in for_deletion:
fingerprint = node_intro_circuits[nodenum][circuit]
removed_intro_node = nodes_by_fingerprint[fingerprint]
logging.info("%s: removed %s (%s)" % (nodenick, removed_intro_node._env["nick"], fingerprint))
node_intro_events[nodenum].put(("removed", fingerprint))
del node_intro_circuits[nodenum][circuit]"""
prefix = "rend_services_introduce(): Circuit to "
if logevent.message.startswith(prefix) and "disapeared" in logevent.message:
fingerprint = logevent.message[len(prefix):].split(" ")[0][1:41]
for_deletion = []
for circuit, fp in node_intro_circuits[nodenum].iteritems():
#log("circuit " + str(circuit) + " fp " + str(fp))
if fingerprint == fp:
for_deletion.append(circuit)
for circuit in for_deletion:
fingerprint = node_intro_circuits[nodenum][circuit]
removed_intro_node = nodes_by_fingerprint[fingerprint]
logging.info("%s: removed %s (%s)" % (nodenick, removed_intro_node._env["nick"], fingerprint))
node_intro_events[nodenum].put(("removed", fingerprint))
del node_intro_circuits[nodenum][circuit]
logging.debug(nodenick + ": " + logevent.message)
node.getStemController().add_event_listener(listener, stem.control.EventType.INFO)
logging.info("Tracking introduction points for " + node._env["nick"])
def track_introduction_point(node):
nodenum = node._env["nodenum"]
nodenick = node._env["nick"]
introduction_point_circuits[node] = {}
def listener(logevent):
prefix = " "
if logevent.message.startswith(prefix):
circuit = logevent.message[len(prefix):].split(" ")[0]
fingerprint = logevent.message[len(prefix):].split(" ")[1][1:]
node_intro_circuits[nodenum][circuit] = fingerprint
added_intro_node = nodes_by_fingerprint[fingerprint]
logging.info("%s: added %s (%s)" % (nodenick, added_intro_node._env["nick"], fingerprint))
node_intro_events[nodenum].put(("added", fingerprint))
prefix = "rend_services_introduce(): Giving up on "
if logevent.message.startswith(prefix) or "Giving up on" in logevent.message:
logging.info(logevent.message)
fingerprint = logevent.message[len(prefix):].split(" ")[0][1:41]
for_deletion = []
for circuit, fp in node_intro_circuits[nodenum].iteritems():
#log("circuit " + str(circuit) + " fp " + str(fp))
if fingerprint == fp:
for_deletion.append(circuit)
if len(for_deletion) == 0:
logging.info("got log message " + logevent.message + " but not deleting an introduction point")
for circuit in for_deletion:
fingerprint = node_intro_circuits[nodenum][circuit]
removed_intro_node = nodes_by_fingerprint[fingerprint]
logging.info("%s: removed %s (%s)" % (nodenick, removed_intro_node._env["nick"], fingerprint))
node_intro_events[nodenum].put(("removed", fingerprint))
del node_intro_circuits[nodenum][circuit]
node.getStemController().add_event_listener(listener, stem.control.EventType.INFO)
logging.info("Tracking introduction points for " + node._env["nick"])
def determine_max_load(service_url, clients):
request_queue = Queue.Queue(1000)
singlelock = threading.Lock()
responses = []
running = True
class worker(threading.Thread):
def __init__ (self, client):
super(worker, self).__init__()
self.client = client
def run(self):
while running:
try:
request = request_queue.get(True, 1)
print("making request")
result = self.client.query("http://2oiifbe3wne4iaqb.onion/");
singlelock.acquire()
responses.append((result, time.time()))
print("result " + str(result))
singlelock.release()
# Let the queue know the job is finished.
request_queue.task_done()
except:
pass
# Create worker threads
for client in clients:
worker(client).start()
# Add elements to eueue at rate current_load
# Check size of queue, if above limit, return current_load
while True:
# Determine Average Load
time_barrier = time.time() - 10.0
last_responses = []
singlelock.acquire()
for response, response_time in reversed(responses):
if response_time < time_barrier:
break
last_responses.append(response)
singlelock.release()
current_average_load = len(last_responses) / 10.0
print("current average load %f" % current_average_load)
new_load = int(current_average_load) + 1
time_per_item = 1.0 / new_load
for i in range(new_load):
print("putting in item")
request_queue.put(1)
time.sleep(time_per_item)
def check_same_intro_points():
intro_sets = []
for introduction_points in node_intro_circuits.values():
intro_sets.append(set(introduction_points.values()))
if intro_sets[0].issubset(intro_sets[1]) and intro_sets[1].issubset(intro_sets[0]):
logging.info("Same introduction points")
for fingerprint in node_intro_circuits.values()[0].values():
node = nodes_by_fingerprint[fingerprint]
logging.info(" - " + node._env["nick"] + "(" + fingerprint + ")")
return True
else:
logging.info("Not the same introduction points")
for num, circuits in node_intro_circuits.items():
logging.info("node %i" % num)
for fingerprint in sorted(circuits.values()):
node = nodes_by_fingerprint[fingerprint]
logging.info(" - " + node._env["nick"] + "(" + fingerprint + ")")
return False
|