Wait for the real observer link and distribute STUN bench scripts

tests/Makefile.am

@@ -3,7 +3,7 @@
 EXTRA_DIST = fixtures/reality_openssl_hello.hex data/silero_speech.pcm data/silero_speech.txt test_net.h nat_fixture.h \
     run_tests.py test_run_tests.py test_build_script.py stream_netns/topology.py stream_netns/network.py \
     stream_netns/probe.py stream_netns/run.py stream_netns/scenario.py stream_netns/README.md stream_netns/TESTED.md \
-    stream_netns/test_isolation.py stream_netns/nat_scenario.py
+    stream_netns/test_isolation.py stream_netns/nat_scenario.py stream_netns/stun_server.py stream_netns/stun_scenario.py
 
 # Порядок по замерам Linux: быстрые проверки раньше длительных; состав зависит от прежних configure-условий.
 

tests/stream_netns/stun_scenario.py

@@ -54,6 +54,8 @@ def check_stun(scenario):
                 agents[name] = Agent(network, nodes[name], Path(scenario.args.binary).resolve(), scenario.args.seed,
                                       False, False, True)
             agents[owner_name].rpc("nat_link", snapshot=agents[observer_name].rpc("snapshot")["snapshot"], socket="udp")
+            scenario.wait(f"stun-observer-link-{owner_name}", lambda statistics:
+                          agents[observer_name].identity in statistics[owner_name]["direct_up"], 20)
             agents[owner_name].rpc("nat_check", socket="udp", observer=agents[observer_name].identity)
             data = scenario.wait(f"stun-no-helper-{owner_name}", lambda statistics:
                                  profile(statistics[owner_name], "udp")["reason"] == "no_helper", 40)