server/AyaNova/util/DbUtil.cs

@@ -210,26 +210,33 @@ namespace AyaNova.Util
         internal static void CheckDatabaseServerAvailable()
         {
             //Called by generator when db is down to check if it can connect
-            //should not run too quickly or too often so a delay is built in here
-            if (DateTime.UtcNow - LAST_CHECK_IF_DB_SERVER_AVAILABLE < CHECK_IF_DB_SERVER_AVAILABLE_DELAY)//no more often than every 10 seconds
+            if (CHECKING_DB_AVAILABLE) return;
+            //don't check too often just fills log files for no reason
+            if (DateTime.UtcNow - CHECKED_DB_AVAILABLE_LAST < CHECK_DB_AVAILABLE_EVERY_INTERVAL)
                 return;
+            CHECKING_DB_AVAILABLE = true;
             try
             {
-                using (var conn = new Npgsql.NpgsqlConnection(AdminConnectionString))
+                using (AyContext ct = ServiceProviderProvider.DBContext)
                 {
-                    conn.Open();
-                    conn.Close();
+                    var dummy = ct.GlobalBizSettings.FirstOrDefault(z => z.Id == 1);
                 }
             }
             catch
             {
                 return;
             }
+            finally
+            {
+                CHECKED_DB_AVAILABLE_LAST = DateTime.UtcNow;
+                CHECKING_DB_AVAILABLE = false;
+            }
             //We have db available
             ServerGlobalOpsSettingsCache.DBAVAILABLE = true;
         }
-        private static DateTime LAST_CHECK_IF_DB_SERVER_AVAILABLE = DateTime.MinValue;
-        private static TimeSpan CHECK_IF_DB_SERVER_AVAILABLE_DELAY = new TimeSpan(0, 0, 10);
+        private static bool CHECKING_DB_AVAILABLE = false;
+        private static DateTime CHECKED_DB_AVAILABLE_LAST = DateTime.MinValue;
+        private static TimeSpan CHECK_DB_AVAILABLE_EVERY_INTERVAL = new TimeSpan(0, 0, 60);
 
 
         ///////////////////////////////////////////////////////////
@@ -242,7 +249,7 @@ namespace AyaNova.Util
             if (ex.Message.Contains("transient failure") && ex.Source.Contains("PostgreSQL"))
                 ServerGlobalOpsSettingsCache.DBAVAILABLE = false;
         }
-        
+
 
         ///////////////////////////////////////////
         //Verify that database exists, if not, then create it