Fix | Fix TCP Keep Alive missing call (#855)

dotnet · Dec 18, 2020 · f8c274f · f8c274f
1 parent dbd7a4b
commit f8c274f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SNI/SNITcpHandle.cs b/src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SNI/SNITcpHandle.cs
@@ -364,6 +364,10 @@ void Cancel()
                         if (ipAddresses[i] != null)
                         {
                             sockets[i] = new Socket(ipAddresses[i].AddressFamily, SocketType.Stream, ProtocolType.Tcp);
+
+                            // enable keep-alive on socket
+                            SetKeepAliveValues(ref sockets[i]);
+
                             sockets[i].Connect(ipAddresses[i], port);
                             if (sockets[i] != null) // sockets[i] can be null if cancel callback is executed during connect()
                             {