From f660b5119cfda55c4c793c29cae68953bb7e96b1 Mon Sep 17 00:00:00 2001
From: EugeneTes <meelstorm@gmail.com>
Date: Mon, 2 Feb 2026 15:40:24 +0100
Subject: [PATCH] signalR retry on initial connection failure

---
 .../JobSources/SignalRPrintJobSource.cs       | 21 ++++++++++++-------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/Inspectron.Epson/PrintServer/JobSources/SignalRPrintJobSource.cs b/Inspectron.Epson/PrintServer/JobSources/SignalRPrintJobSource.cs
index 8b9a903..7a701c3 100644
--- a/Inspectron.Epson/PrintServer/JobSources/SignalRPrintJobSource.cs
+++ b/Inspectron.Epson/PrintServer/JobSources/SignalRPrintJobSource.cs
@@ -38,15 +38,20 @@ public class SignalRPrintJobSource: IPrintJobSource
 
     private async Task InitializeConnectionAsync()
     {
-        try
+        while (true)
         {
-            await _connection.StartAsync();
-            await _connection.InvokeAsync("JoinGroup", _groupConfiguration.RestaurantId);
-            _logger.LogInformation("SignalR connection started and joined group {GroupId}.", _groupConfiguration.RestaurantId);
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError(ex, "Failed to initialize SignalR connection.");
+            try
+            {
+                await _connection.StartAsync();
+                await _connection.InvokeAsync("JoinGroup", _groupConfiguration.RestaurantId);
+                _logger.LogInformation("SignalR connection started and joined group {GroupId}.", _groupConfiguration.RestaurantId);
+                return;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to initialize SignalR connection. Retrying in 5 seconds...");
+                await Task.Delay(5000);
+            }
         }
     }