x300: Bugfix#602: X3x0 not found over PCIe with no Eth interfaces

- X3x0 not found over PCIe when only a loopback network interface exists on the host

1 files changed, 6 insertions, 1 deletions

diff --git a/host/lib/transport/nirio/rpc/rpc_client.cpp b/host/lib/transport/nirio/rpc/rpc_client.cpp
index 0c4b8fe3c..cf8e9c1a9 100644
--- a/host/lib/transport/nirio/rpc/rpc_client.cpp
+++ b/host/lib/transport/nirio/rpc/rpc_client.cpp
@@ -48,7 +48,12 @@ rpc_client::rpc_client (
     try {
         //Synchronous resolve + connect
         tcp::resolver resolver(_io_service);
-        tcp::resolver::query query(tcp::v4(), server, port);
+        //Create flags object with all special flags disabled. Especially the following:
+        //- address_configured: Only return addresses if a non-loopback address is configured for the system.
+        //- numeric_host: No name resolution should be attempted for host
+        //- numeric_service: No name resolution should be attempted for service
+        tcp::resolver::query::flags query_flags;
+        tcp::resolver::query query(tcp::v4(), server, port, query_flags);
         tcp::resolver::iterator iterator = resolver.resolve(query);
 
         #if BOOST_VERSION < 104700