cdinfo.cpp

CD刻录,含有源代码,好东西大家分享哈.互相交流学习.

////////////////////////////////////////////////////////////////
// MSDN Magazine -- April 2004
// If this code works, it was written by Paul DiLascia.
// If not, I don't know who wrote it.
// Compiles with Visual Studio .NET on Windows XP. Tab size=3.
//
#include "stdafx.h"
#include "IMAPITools.h"
#include "PropStgEnum.h"

using namespace IMAPITools;

// command-line flags
const enum {
	FRI_TERSE = 0,
	FRI_LIST_RECORDERS = 0x1,
	FRI_LIST_RECORDER_PROPS = 0x2,
	FRI_LIST_JOLIET_PROPS = 0x4,
	FRI_ALL = 0xFFFF
};

CString FormatRecorderInfo(DWORD flags);
CString FormatRecorderProps(CDiscRecorder& dr);
CString FormatJolietProps(CJolietDiscMaster& jdm);

// check for switch: / or -
inline BOOL isswitch(TCHAR c) { return c==_T('/') || c==_T('-'); }
static void help();

//////////////////
// Main entry point: parse switches before calling FormatRecorderInfo
//
int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	DWORD flags = 0;

	// Parse command line. Switches can come in any order.
	for (int i=1; i<argc; i++) {
		if (isswitch(argv[i][0])) {
			for (UINT j=1; j<_tcslen(argv[i]); j++) {
				switch(argv[i][j]) {
				case _T('A'): case _T('a'):
					flags |= FRI_LIST_RECORDERS;
					break;
				case _T('P'): case _T('p'):
					flags |= FRI_LIST_RECORDER_PROPS|FRI_LIST_RECORDERS;
					break;
				case _T('J'): case _T('j'):
					flags |= FRI_LIST_JOLIET_PROPS|FRI_LIST_RECORDERS;
					break;
				case _T('V'): case _T('v'):
					flags |= FRI_ALL;
					break;
				case _T('?'):
				default:
					help();
					return 0;
				}
			}
		} else {
			help();
			return 0;
		}
	}

	CoInitialize(0); // initialize COM

	if (flags) {
		_ftprintf(stderr,_T("Please wait...\n"));
	}

	_tprintf(FormatRecorderInfo(flags));

	return 0;
}

//////////////////
// Format information about recorders into a string suitable for printf.
//
CString FormatRecorderInfo(DWORD flags)
{
	CString str,temp;

	// ICDBurn is the interface to see if writable CD exists	
	CCDBurn cdb;
	if (!cdb.HasRecordableDrive()) {
		str += _T("No recordable drive.\n");
		return str;
	}

	// drive letter
	CString dl = cdb.GetRecorderDriveLetter();
	temp.Format(_T("Default Recorder drive letter = %s\n"),
		SUCCEEDED(cdb.m_hr) ? (LPCTSTR)dl : _T("**undefined**"));
	str += temp;

	// burn path
	temp.Format(_T("Burn path = %s\n"), (LPCTSTR)cdb.GetBurnFolderPath());
	str += temp;

	if (flags==FRI_TERSE) {
		return str;
	}

	CDiscMaster dm; // IDiscMaster
	if (!dm.Open()) {
		temp.Format(_T("**Can't open DiscMaster: %s.\n"), GetErrorName(dm.m_hr));
		str += temp;
		return str;
	}

	// current active format
	IID iidActive = dm.GetActiveDiscMasterFormat();

	// list supported formats
	const MAXNFORMATS = 10;		// I've never seen more than 2
	IID formats[MAXNFORMATS];
	int nFormats = dm.GetSupportedFormats(formats,MAXNFORMATS);
	str += _T("Formats supported:\n");
	for (int i=0; i<nFormats; i++) {
		temp.Format(_T(" %s"), GetFormatName(formats[i]));
		str += temp;
		if (formats[i] == iidActive)
			str += _T(" ACTIVE");
		str += _T("\n");
	}

	if (!(flags & FRI_LIST_RECORDERS))
		return str;

	int count=1;
	CDiscRecorder dr;
	CDiscRecorderIterator itr(dm);

	while (itr.Next(dr)) {
		temp.Format(_T("Recorder #%d: \n"), count);
		str += temp;
		// Not really a GUID at all, just a long cryptic string.
//		temp.Format(_T(" Guid: %s\n"), (LPCTSTR)dr.GetRecorderGUID());
//		str += temp;

		temp.Format(_T(" PnP ID: %s\n"), (LPCTSTR)dr.GetBasePnPID());
		str += temp;
		temp.Format(_T(" Type: %s\n"),
			(LPCTSTR)GetRecorderTypeName(dr.GetRecorderType()));
		str += temp;
		temp.Format(_T(" Path: %s\n"), (LPCTSTR)dr.GetPath());
		str += temp;

		DISPLAYNAMES dn;
		dr.GetDisplayNames(dn);
		temp.Format(_T(" Vendor: %s\n"),(LPCTSTR)dn.vendor);
		str += temp;
		temp.Format(_T(" Product: %s\n"),(LPCTSTR)dn.product);
		str += temp;
		temp.Format(_T(" Revision: %s\n"),(LPCTSTR)dn.revision);
		str += temp;

		if (dr.OpenExclusive()) {
			temp.Format(_T(" State: %s\n"), GetRecorderStateName(dr.GetRecorderState()));
			str += temp;

			long mtype, mflags;
			if (dr.QueryMediaType(mtype, mflags)) {
				temp.Format(_T(" Media Type: %s=%d\n"),GetMediaTypeName(mtype),mtype);
				str += temp;
				temp.Format(_T(" Media Flags: %s=%d\n"),GetMediaFlagsName(mflags),mflags);
				str += temp;
			} else {
				temp.Format(_T(" **Unable to query media type, hr=%s\n"),
					GetErrorName(dr.m_hr));
				str += temp;
			}

			MEDIAINFO mi;
			if (dr.QueryMediaInfo(mi)) {
				temp.Format(_T(" Media Info: nSes=%d LastTrack=%d Start=%d Next=%d Free=%d\n"),
					mi.nSessions,
					mi.nLastTrack,
					mi.nStartAddress,
					mi.nNextWritable,
					mi.nFreeBlocks);
				str += temp;

			} else {
				temp.Format(_T(" **Unable to query media info, hr=%s\n"),
					GetErrorName(dr.m_hr));
				str += temp;
			}
			dr.Close();

		} else {
			temp.Format(_T(" **Unable to open exclusive, hr=%p\n"), dr.m_hr);
			str += temp;
		}

		if (flags & FRI_LIST_RECORDER_PROPS) {
			str += FormatRecorderProps(dr);
		}

		if (flags & FRI_LIST_JOLIET_PROPS) {
			dm.SetActiveDiscRecorder(dr);
			CJolietDiscMaster jdm(dm);
			str += FormatJolietProps(jdm);
		}


		count++;
	}

	return str;
}

//////////////////
// Format recorder information.
//
CString FormatDiscRecorderInfo(CDiscRecorder& dr,DWORD flags)
{
	CString str, temp;

	// Not really a GUID at all, just a long cryptic string.
	//		temp.Format(_T(" Guid: %s\n"), (LPCTSTR)dr.GetRecorderGUID());
	//		str += temp;

	temp.Format(_T(" PnP ID: %s\n"), (LPCTSTR)dr.GetBasePnPID());
	str += temp;
	temp.Format(_T(" Type: %s\n"),
		(LPCTSTR)GetRecorderTypeName(dr.GetRecorderType()));
	str += temp;
	temp.Format(_T(" Path: %s\n"), (LPCTSTR)dr.GetPath());
	str += temp;

	DISPLAYNAMES dn;
	dr.GetDisplayNames(dn);
	temp.Format(_T(" Vendor: %s\n"),(LPCTSTR)dn.vendor);
	str += temp;
	temp.Format(_T(" Product: %s\n"),(LPCTSTR)dn.product);
	str += temp;
	temp.Format(_T(" Revision: %s\n"),(LPCTSTR)dn.revision);
	str += temp;

	if (dr.OpenExclusive()) {
		temp.Format(_T(" State: %s\n"), GetRecorderStateName(dr.GetRecorderState()));
		str += temp;

		long mtype, mflags;
		if (dr.QueryMediaType(mtype, mflags)) {
			temp.Format(_T(" Media Type: %s=%d\n"),GetMediaTypeName(mtype),mtype);
			str += temp;
			temp.Format(_T(" Media Flags: %s=%d\n"),GetMediaFlagsName(mflags),mflags);
			str += temp;
		} else {
			temp.Format(_T(" **Unable to query media type, hr=%s\n"),
				GetErrorName(dr.m_hr));
			str += temp;
		}

		MEDIAINFO mi;
		if (dr.QueryMediaInfo(mi)) {
			temp.Format(_T(" Media Info: nSes=%d LastTrack=%d Start=%d Next=%d Free=%d\n"),
				mi.nSessions,
				mi.nLastTrack,
				mi.nStartAddress,
				mi.nNextWritable,
				mi.nFreeBlocks);
			str += temp;

		} else {
			temp.Format(_T(" **Unable to query media info, hr=%s\n"),
				GetErrorName(dr.m_hr));
			str += temp;
		}
		dr.Close();

	} else {
		temp.Format(_T(" **Unable to open exclusive, hr=%s\n"),
			GetErrorName(dr.m_hr));
		str += temp;
	}

	if (flags & FRI_LIST_RECORDER_PROPS) {
		str += FormatRecorderProps(dr);
	}

	return str;
}

//////////////////
// Format recorder properties.
// This requires dealing with IEnumSTATPROPSTG--Ugh!
//
CString FormatRecorderProps(CDiscRecorder& dr)
{
	CString str,temp;
	CComQIPtr<IPropertyStorage> pstg;
	if (dr.GetRecorderProperties(&pstg)) {
		temp.Format(_T(" Recorder Properties:\n"));
		str += temp;
		CPropertyStorageIterator it(pstg);
		CComVariant val;
		while (it.Next(val)) {
			CString propname = it.GetPropName();
			val.ChangeType(VT_BSTR);
			CString strval = val.bstrVal;
			temp.Format(_T("  %s=%s\n"), (LPCTSTR)propname, (LPCTSTR)strval);
			str += temp;
		}
	}
	return str;
}

CString FormatJolietProps(CJolietDiscMaster& jdm)
{
	CString str,temp;
	if (jdm) {
		temp.Format(_T(" Joilet info:\n"));
		str += temp;
		temp.Format(_T("  Total data blocks=%d\n"),jdm.GetTotalDataBlocks());
		str += temp;
		temp.Format(_T("  Used data blocks=%d\n"), jdm.GetUsedDataBlocks());
		str += temp;
		temp.Format(_T("  Block size=%d\n"),jdm.GetDataBlockSize());
		str += temp;
		CComQIPtr<IPropertyStorage> pstg;
		if (jdm.GetJolietProperties(&pstg)) {
			temp.Format(_T("  Joliet Properties:\n"));
			str += temp;
			CPropertyStorageIterator it(pstg);
			CComVariant val;
			while (it.Next(val)) {
				CString propname = it.GetPropName();
				if (propname != _T("BootImage")) { // BootImage is an IStream!
					val.ChangeType(VT_BSTR);
					CString strval = val.bstrVal;
					temp.Format(_T("   %s=%s\n"), (LPCTSTR)propname, (LPCTSTR)strval);
					str += temp;
				}
			}
		}
	}
	return str;
}

void help()
{
	_tprintf(
		_T("cdinfo: Display information about recordable CD drives.\n")
		_T("        Copyright 2003 Paul DiLascia.\n\n")
		_T("Format: cdinfo [-apj]\n")
		_T("Options:\n")
		_T(" None:  show active recorder info\n")
		_T(" -a     all: list all drives\n")
		_T(" -p     props: list recorder properties\n")
		_T(" -j     joliet: list joliet properties\n")
		_T(" -v     verbise: list everything\n")
		_T("\n"));
}