146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
#include "precomp.h"
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#pragma hdrstop
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DWORD g_TraceId = INVALID_TRACEID;
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HANDLE g_LogHandle = NULL;
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DWORD g_dwLoggingLevel = 0;
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HANDLE g_Heap = INVALID_HANDLE_VALUE;
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HANDLE g_Lock = INVALID_HANDLE_VALUE;
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//------------------------------------------------------------------------------
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// _DllStartup
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//
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// Creates a private heap,
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// and creates the global critical section.
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//
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// Note: no structures must be allocated from heap here, as StartProtocol()
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// if called after StopProtocol() destroys the heap.
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// Return Values: TRUE (if no error), else FALSE.
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//------------------------------------------------------------------------------
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BOOL
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DllStartup(
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)
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{
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// create a private heap
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g_Heap = HeapCreate(0, 0, 0);
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if (g_Heap == NULL) {
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goto Error;
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}
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g_Lock = CreateMutex(NULL, FALSE, L"6to4svc mutex");
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if (g_Lock == NULL) {
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goto Error;
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}
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return TRUE;
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Error:
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if (g_Heap != NULL) {
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HeapDestroy(g_Heap);
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g_Heap = NULL;
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}
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return FALSE;
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}
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//------------------------------------------------------------------------------
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// _DllCleanup
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//
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// Called when the 6to4 dll is being unloaded. StopProtocol() would have
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// been called before, and that would have cleaned all the 6to4 structures.
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// This call frees the global mutex, destroys the local heap,
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//
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// Return Value: TRUE
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//------------------------------------------------------------------------------
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BOOL
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DllCleanup(
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)
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{
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CloseHandle(g_Lock);
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g_Lock = INVALID_HANDLE_VALUE;
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// destroy private heap
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if (g_Heap != NULL) {
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HeapDestroy(g_Heap);
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g_Heap = NULL;
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}
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return TRUE;
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}
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//------------------------------------------------------------------------------
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// _DLLMAIN
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//
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// Called immediately after 6to4svc.dll is loaded for the first time by the
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// process, and when the 6to4svc.dll is unloaded by the process.
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// It does some initialization/final cleanup.
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//
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// Calls: _DllStartup() or _DllCleanup()
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//------------------------------------------------------------------------------
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BOOL
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WINAPI
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DLLMAIN (
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HINSTANCE hModule,
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DWORD dwReason,
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LPVOID lpvReserved
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)
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{
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BOOL bErr;
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switch (dwReason) {
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//
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// Startup Initialization of Dll
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//
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case DLL_PROCESS_ATTACH:
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{
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// disable per-thread initialization
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DisableThreadLibraryCalls(hModule);
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// create and initialize global data
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bErr = DllStartup();
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break;
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}
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//
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// Cleanup of Dll
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//
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case DLL_PROCESS_DETACH:
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{
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// free global data
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bErr = DllCleanup();
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break;
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}
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default:
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bErr = TRUE;
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break;
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}
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return bErr;
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} // end _DLLMAIN
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#ifdef STANDALONE
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int __cdecl
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main(
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int argc,
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WCHAR **argv)
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{
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if (!DllStartup())
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return 1;
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ServiceMain(argc, argv);
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Sleep(100 * 1000);
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DllCleanup();
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return 0;
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}
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#endif
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