enable debug print in aspnetcore.dll (#663)

src/AspNetCore/Src/dllmain.cpp

@@ -143,6 +143,18 @@ HRESULT
             fDisableANCM = (dwData != 0);
         }
 
+        cbData = sizeof(dwData);
+        if ((RegQueryValueEx(hKey,
+            L"DebugFlags",
+            NULL,
+            &dwType,
+            (LPBYTE)&dwData,
+            &cbData) == NO_ERROR) &&
+            (dwType == REG_DWORD))
+        {
+            g_dwAspNetCoreDebugFlags = dwData;
+        }
+
         RegCloseKey(hKey);
     }
 

src/CommonLib/aspnetcoreconfig.cxx

@@ -3,6 +3,7 @@
 
 #include "stdafx.h"
 #include "aspnetcoreconfig.h"
+#include "debugutil.h"
 
 ASPNETCORE_CONFIG::~ASPNETCORE_CONFIG()
 {
@@ -135,6 +136,8 @@ ASPNETCORE_CONFIG::GetConfig(
     }
     else
     {
+        DebugPrintf(ASPNETCORE_DEBUG_FLAG_INFO,
+            "ASPNETCORE_CONFIG::GetConfig, set config to ModuleContext");
         // set appliction info here instead of inside Populate()
         // as the destructor will delete the backend process
         hr = pAspNetCoreConfig->QueryApplicationPath()->Copy(pHttpApplication->GetApplicationId());