Radicade Public Code

2023Patch/RadicadeEacBypass/Diag.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+
+/// <summary>
+/// Single switch for the per-request chatter the patch used to print on every
+/// login (the [Net], [Connection], [Auth], [HttpStatus] and per-connection [TLS]
+/// lines). It is OFF by default: the log now carries patch status and real
+/// problems only. Set RADICADE_DIAG=1 to get the full trace back when something
+/// needs diagnosing.
+/// </summary>
+internal static class Diag
+{
+    internal static readonly bool Verbose = ReadFlag("RADICADE_DIAG");
+
+    private static readonly object Gate = new object();
+    private static readonly HashSet<string> Seen = new HashSet<string>(StringComparer.Ordinal);
+
+    internal static bool ReadFlag(string name)
+    {
+        try
+        {
+            var raw = Environment.GetEnvironmentVariable(name);
+            if (string.IsNullOrWhiteSpace(raw)) return false;
+            var value = raw.Trim().ToLowerInvariant();
+            return !(value == "0" || value == "off" || value == "false" || value == "no");
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    /// <summary>Per-request tracing: printed only with RADICADE_DIAG=1.</summary>
+    internal static void Trace(string message)
+    {
+        if (!Verbose) return;
+        Info(message);
+    }
+
+    internal static void Info(string message)
+    {
+        try { RadicadeEacBypassPlugin.LogSource.LogInfo(message); } catch { }
+    }
+
+    internal static void Warn(string message)
+    {
+        try { RadicadeEacBypassPlugin.LogSource.LogWarning(message); } catch { }
+    }
+
+    internal static void Error(string message)
+    {
+        try { RadicadeEacBypassPlugin.LogSource.LogError(message); } catch { }
+    }
+
+    /// <summary>True the first time this key is seen in the session.</summary>
+    internal static bool FirstTime(string key)
+    {
+        try
+        {
+            lock (Gate) return Seen.Add(key);
+        }
+        catch
+        {
+            return false;
+        }
+    }
+}