trx/udp_link.py: set SO_REUSEADDR socket option
Setting this option allows one to reuse existing connections,
for example, by injecting CTRL commands or DATA bursts
into existing connections.
Cherry-picked from: I0882c76affa9a668a12d10967081054d2b666ed1
Change-Id: I6d256683a7aa0419cd5bd0a3eaa97aefdf3254f9
diff --git a/python/trx/udp_link.py b/python/trx/udp_link.py
index cedcb1b..1fae8b4 100644
--- a/python/trx/udp_link.py
+++ b/python/trx/udp_link.py
@@ -28,6 +28,7 @@
class udp_link:
def __init__(self, remote_addr, remote_port, bind_port):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+ self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.sock.bind((remote_addr, bind_port))
self.sock.setblocking(0)