Catch exception on UPNP that cause socket problem when reconnecting a…

…fter network fail (neo-project#469)
rodoufu · Mar 3, 2019 · a066b1c · a066b1c
1 parent ffcdf88
commit a066b1c
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/neo/Network/UPnP.cs b/neo/Network/UPnP.cs
@@ -30,9 +30,16 @@ public static bool Discover()
 
                 DateTime start = DateTime.Now;
 
-                s.SendTo(data, ipe);
-                s.SendTo(data, ipe);
-                s.SendTo(data, ipe);
+                try
+                {
+                    s.SendTo(data, ipe);
+                    s.SendTo(data, ipe);
+                    s.SendTo(data, ipe);
+                }
+                catch
+                {
+                    return false;
+                }
 
                 byte[] buffer = new byte[0x1000];