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139 lines
4.0 KiB
139 lines
4.0 KiB
//
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// Microsoft Windows Media Technologies
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// Copyright (C) Microsoft Corporation, 1999 - 2001. All rights reserved.
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//
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// MSHDSP.DLL is a sample WMDM Service Provider(SP) that enumerates fixed drives.
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// This sample shows you how to implement an SP according to the WMDM documentation.
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// This sample uses fixed drives on your PC to emulate portable media, and
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// shows the relationship between different interfaces and objects. Each hard disk
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// volume is enumerated as a device and directories and files are enumerated as
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// Storage objects under respective devices. You can copy non-SDMI compliant content
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// to any device that this SP enumerates. To copy an SDMI compliant content to a
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// device, the device must be able to report a hardware embedded serial number.
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// Hard disks do not have such serial numbers.
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//
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// To build this SP, you are recommended to use the MSHDSP.DSP file under Microsoft
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// Visual C++ 6.0 and run REGSVR32.EXE to register the resulting MSHDSP.DLL. You can
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// then build the sample application from the WMDMAPP directory to see how it gets
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// loaded by the application. However, you need to obtain a certificate from
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// Microsoft to actually run this SP. This certificate would be in the KEY.C file
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// under the INCLUDE directory for one level up.
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// Mdsp.cpp : Implementation of MSHDSP.DLL's DLL Exports.
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#include "hdspPCH.h"
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#include "initguid.h"
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#include "MsHDSP_i.c"
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#include "PropPage.h"
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CComModule _Module;
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HINSTANCE g_hinstance;
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MDSPGLOBALDEVICEINFO g_GlobalDeviceInfo[MDSP_MAX_DEVICE_OBJ];
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WCHAR g_wcsBackslash[2] = { (WCHAR)0x5c, NULL };
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CHAR g_szBackslash[2] = { (CHAR)0x5c, NULL };
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CSecureChannelServer *g_pAppSCServer=NULL;
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CComMultiThreadModel::AutoCriticalSection g_CriticalSection;
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BEGIN_OBJECT_MAP(ObjectMap)
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OBJECT_ENTRY(CLSID_MDServiceProvider, CMDServiceProvider)
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OBJECT_ENTRY(CLSID_HDSPPropPage, CPropPage)
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END_OBJECT_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// DLL Entry Point
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extern "C"
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BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
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{
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lpReserved;
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if (dwReason == DLL_PROCESS_ATTACH)
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{
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_Module.Init(ObjectMap, hInstance);
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DisableThreadLibraryCalls(hInstance);
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}
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else if (dwReason == DLL_PROCESS_DETACH)
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_Module.Term();
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g_hinstance = hInstance;
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return TRUE; // ok
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}
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/////////////////////////////////////////////////////////////////////////////
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// Used to determine whether the DLL can be unloaded by OLE
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STDAPI DllCanUnloadNow(void)
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{
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return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
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}
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/////////////////////////////////////////////////////////////////////////////
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// Returns a class factory to create an object of the requested type
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STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
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{
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return _Module.GetClassObject(rclsid, riid, ppv);
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}
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/////////////////////////////////////////////////////////////////////////////
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// DllRegisterServer - Adds entries to the system registry
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STDAPI DllRegisterServer(void)
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{
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HKEY hKey;
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LONG lRet;
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lRet = RegCreateKeyEx(
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HKEY_LOCAL_MACHINE,
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STR_MDSPREG,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_READ | KEY_WRITE,
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NULL,
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&hKey,
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NULL
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);
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if( ERROR_SUCCESS == lRet )
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{
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CHAR szTemp[MAX_PATH];
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// Register the ProgID with WMDM
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//
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strcpy( szTemp, STR_MDSPPROGID );
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RegSetValueEx(
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hKey,
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"ProgID",
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0,
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REG_SZ,
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(LPBYTE)szTemp,
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lstrlen( szTemp ) + 1
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);
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RegCloseKey( hKey );
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// Register object, typelib and all interfaces in typelib
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//
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return _Module.RegisterServer(TRUE);
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}
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else
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{
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return REGDB_E_WRITEREGDB;
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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// DllUnregisterServer - Removes entries from the system registry
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STDAPI DllUnregisterServer(void)
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{
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_Module.UnregisterServer();
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RegDeleteKey(HKEY_LOCAL_MACHINE, STR_MDSPREG);
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return S_OK;
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}
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