[tor-commits] [sbws/maint-1.1] fix: scanner: extract method for not helper case

[juga@xxxxxxxxxxxxxx]

commit 119d91108a45aa71b80e71f41dc86df0729991a8
Author: juga0 <juga@xxxxxxxxxx>
Date:   Tue Feb 2 11:59:41 2021 +0000

    fix: scanner: extract method for not helper case
---
 sbws/core/scanner.py | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/sbws/core/scanner.py b/sbws/core/scanner.py
index 228ad74..4ca7430 100644
--- a/sbws/core/scanner.py
+++ b/sbws/core/scanner.py
@@ -244,13 +244,24 @@ def _pick_ideal_second_hop(relay, dest, rl, cont, is_exit):
     return chosen
 
 
+def error_no_helper(relay, dest, our_nick):
+    reason = 'Unable to select a second relay'
+    log.debug(reason + ' to help measure %s (%s)',
+              relay.fingerprint, relay.nickname)
+    return [
+        ResultErrorSecondRelay(relay, [], dest.url, our_nick,
+                               msg=reason),
+        ]
+
+
 def create_path_relay_as_entry(relay, dest, rl, cb):
     circ_fps = nicknames = []
     helper = _pick_ideal_second_hop(
         relay, dest, rl, cb.controller, is_exit=True)
-    if helper:
-        circ_fps = [relay.fingerprint, helper.fingerprint]
-        nicknames = [relay.nickname, helper.nickname]
+    if not helper:
+        return error_no_helper(relay, dest, our_nick)
+    circ_fps = [relay.fingerprint, helper.fingerprint]
+    nicknames = [relay.nickname, helper.nickname]
     return helper, circ_fps, nicknames
 
 
@@ -322,13 +333,7 @@ def measure_relay(args, conf, destinations, cb, rl, relay):
         helper, circ_fps, nicknames = create_path_relay_as_entry(
             relay, dest, rl, cb)
     if not helper:
-        reason = 'Unable to select a second relay'
-        log.debug(reason + ' to help measure %s (%s)',
-                  relay.fingerprint, relay.nickname)
-        return [
-            ResultErrorSecondRelay(relay, [], dest.url, our_nick,
-                                   msg=reason),
-            ]
+        return error_no_helper(relay, dest, our_nick)
 
     # Build the circuit
     circ_id, reason = cb.build_circuit(circ_fps)



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