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LT-22069: Speed up cross-project link navigation #969

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Merged
mark-sil merged 1 commit into from
Jun 25, 2026
Merged

LT-22069: Speed up cross-project link navigation #969

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6 changes: 5 additions & 1 deletion Src/Common/FieldWorks/FieldWorks.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3484,8 +3484,12 @@ internal static bool RunOnRemoteClients(string requestType, Func<RemoteRequest,
/// ------------------------------------------------------------------------------------
private static RemoteRequest CreateRequestor(int port, string requestType)
{
// LT-22069: connect via the IPv4 loopback literal rather than "localhost". Resolving
// "localhost" can try IPv6 (::1) first and wait ~2s for it to fail before falling back
// to IPv4, and that cost is paid on every first-contact to another FieldWorks process's
// remoting port. Using 127.0.0.1 avoids the name-resolution/IPv6 stall.
RemoteRequest requestor = (RemoteRequest)Activator.GetObject(typeof(RemoteRequest),
"tcp://localhost:" + port + "/" + requestType);
"tcp://127.0.0.1:" + port + "/" + requestType);
Func<bool> invoker = requestor.IsAlive;
IAsyncResult ar = invoker.BeginInvoke(null, null);
if (!ar.AsyncWaitHandle.WaitOne(1000, false))
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