MNT: Bind to PORT 0

caproto · Nov 7, 2019 · a3fb3d5 · a3fb3d5
1 parent a196396
commit a3fb3d5
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diff --git a/caproto/sync/client.py b/caproto/sync/client.py
@@ -48,6 +48,7 @@ def recv(circuit):
 def search(pv_name, udp_sock, timeout, *, max_retries=2):
     # Set Broadcaster log level to match our logger.
     b = ca.Broadcaster(our_role=ca.CLIENT)
+    udp_sock.bind(('', 0))
     b.our_address = udp_sock.getsockname()[:2]
 
     # Send registration request to the repeater

diff --git a/caproto/threading/client.py b/caproto/threading/client.py
@@ -340,6 +340,7 @@ def __init__(self, *, registration_retry_time=10.0):
         self.listeners = weakref.WeakSet()
 
         self.broadcaster = ca.Broadcaster(our_role=ca.CLIENT)
+        self.udp_sock.bind(('', 0))
         self.broadcaster.our_address = self.udp_sock.getsockname()[:2]
         self.log = logging.LoggerAdapter(
             self.broadcaster.log, {'role': 'CLIENT'})