rsrv: loopback mcast beacons

2016-01-21 12:17:02 -05:00
parent a4e9dcff00
commit c884175a86
1 changed files with 12 additions and 0 deletions
@@ -350,6 +350,18 @@ void rsrv_build_addr_lists(void)
                        (char *)&intTrue, sizeof(intTrue))<0) {
            cantProceed("CAS: online socket set up error\n");
        }
+#ifdef IP_ADD_MEMBERSHIP
+        {
+            int flag = 1;
+            if(setsockopt(beaconSocket, IPPROTO_IP, IP_MULTICAST_LOOP, &flag, sizeof(flag))==-1)
+            {
+                char sockErrBuf[64];
+                epicsSocketConvertErrnoToString (
+                            sockErrBuf, sizeof ( sockErrBuf ) );
+                errlogPrintf("rsrv: failed to set mcast loopback\n");
+            }
+        }
+#endif
    }

    {