aspnetcore/src/AspNetCoreModuleV2/InProcessRequestHandler/dllmain.cxx

134 lines
3.3 KiB
C++

// dllmain.cpp : Defines the entry point for the DLL application.
#include "precomp.hxx"
#include <IPHlpApi.h>
#include <VersionHelpers.h>
BOOL g_fGlobalInitialize = FALSE;
BOOL g_fProcessDetach = FALSE;
DWORD g_dwAspNetCoreDebugFlags = 0;
DWORD g_dwDebugFlags = 0;
SRWLOCK g_srwLockRH;
IHttpServer * g_pHttpServer = NULL;
HINSTANCE g_hWinHttpModule;
HINSTANCE g_hAspNetCoreModule;
HANDLE g_hEventLog = NULL;
PCSTR g_szDebugLabel = "ASPNET_CORE_MODULE_INPROCESS_REQUEST_HANDLER";
VOID
InitializeGlobalConfiguration(
IHttpServer * pServer
)
{
HKEY hKey;
BOOL fLocked = FALSE;
if (!g_fGlobalInitialize)
{
AcquireSRWLockExclusive(&g_srwLockRH);
fLocked = TRUE;
if (g_fGlobalInitialize)
{
// Done by another thread
goto Finished;
}
g_pHttpServer = pServer;
if (pServer->IsCommandLineLaunch())
{
g_hEventLog = RegisterEventSource(NULL, ASPNETCORE_IISEXPRESS_EVENT_PROVIDER);
}
else
{
g_hEventLog = RegisterEventSource(NULL, ASPNETCORE_EVENT_PROVIDER);
}
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
L"SOFTWARE\\Microsoft\\IIS Extensions\\IIS AspNetCore Module\\Parameters",
0,
KEY_READ,
&hKey) == NO_ERROR)
{
DWORD dwType;
DWORD dwData;
DWORD cbData;
cbData = sizeof(dwData);
if ((RegQueryValueEx(hKey,
L"DebugFlags",
NULL,
&dwType,
(LPBYTE)&dwData,
&cbData) == NO_ERROR) &&
(dwType == REG_DWORD))
{
g_dwAspNetCoreDebugFlags = dwData;
}
RegCloseKey(hKey);
}
g_fGlobalInitialize = TRUE;
}
Finished:
if (fLocked)
{
ReleaseSRWLockExclusive(&g_srwLockRH);
}
}
BOOL APIENTRY DllMain(HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
UNREFERENCED_PARAMETER(lpReserved);
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hModule);
InitializeSRWLock(&g_srwLockRH);
break;
case DLL_PROCESS_DETACH:
g_fProcessDetach = TRUE;
default:
break;
}
return TRUE;
}
// TODO remove pHttpContext from the CreateApplication call.
HRESULT
__stdcall
CreateApplication(
_In_ IHttpServer *pServer,
_In_ IHttpContext *pHttpContext,
_In_ PCWSTR pwzExeLocation,
_Out_ IAPPLICATION **ppApplication
)
{
HRESULT hr = S_OK;
IAPPLICATION *pApplication = NULL;
REQUESTHANDLER_CONFIG *pConfig;
// Initialze some global variables here
InitializeGlobalConfiguration(pServer);
hr = REQUESTHANDLER_CONFIG::CreateRequestHandlerConfig(pServer, pHttpContext->GetApplication(), &pConfig);
if (FAILED(hr))
{
return hr;
}
pApplication = new IN_PROCESS_APPLICATION(pServer, pConfig, pwzExeLocation);
if (pApplication == NULL)
{
hr = HRESULT_FROM_WIN32(ERROR_OUTOFMEMORY);
goto Finished;
}
*ppApplication = pApplication;
Finished:
return hr;
}