Make sure we don't hang up trying to a check if someone is

listening on our port. It might be the case that OS could block
us indefinitely there.

Author: sobomax

python/TCPProxy.py

@@ -65,10 +65,11 @@ def __init__(self, port, newhost, newport = None, bindhost = '127.0.0.1', logger
         except OSError as oex:
             if oex.errno != EADDRINUSE:
                 raise oex
+            sock.settimeout(0.1)
             try:
                 sock.connect(bindaddr)
                 raise oex
-            except ConnectionRefusedError:
+            except (ConnectionRefusedError, socket.timeout):
                 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                 sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
                 sock.bind(bindaddr)