From 7787631c6ee37a489732c95cb0864422e3a3bdd1 Mon Sep 17 00:00:00 2001 From: pixel Date: Sun, 12 Oct 2003 05:15:00 +0000 Subject: AT LAST!!! Windows 2k/XP CD reading works using raw ioctls!!!! HURRAY!!!!!!!! --- lib/cdabstract.cpp | 147 +++++++++++++++++++++++++++++++++++++++++++++++++++-- lib/cdreader.cpp | 56 ++++++++++++++++++++ 2 files changed, 198 insertions(+), 5 deletions(-) (limited to 'lib') diff --git a/lib/cdabstract.cpp b/lib/cdabstract.cpp index b79960f..f5f0d08 100644 --- a/lib/cdabstract.cpp +++ b/lib/cdabstract.cpp @@ -2,14 +2,151 @@ #include "Input.h" #include "cdreader.h" -Handle * open_iso(const String & nom) { -#ifdef USE_CDREADER +#ifdef __linux__ +#include +#include +#include +#include +#endif + +#if defined (_MSC_VER) || defined (__MINGW32__) +#include +#endif + +Handle * cdabstract::open_cd(const String & nom) { if (nom.extract(0, 2).toupper() == "CD:") { return new cdreader(nom.extract(3)); } else { -#else - { -#endif return new Input(nom); } } + +bool cdabstract::canprobe() { +#ifdef __linux__ + return true; +#endif +#if defined (_MSC_VER) || defined (_MINGW32) + OSVERSIONINFO ov; + memset(&ov, 0, sizeof(OSVERSIONINFO)); + ov.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + + GetVersionEx(&ov); + + return ((ov.dwPlatformId == VER_PLATFORM_WIN32_NT) && (ov.dwMajorVersion > 4)); +#endif + return false; +} + +std::vector cdabstract::probe() throw (GeneralException) { + std::vector r; + String probed; + + if (!canprobe()) + throw GeneralException("Can't probe CD devices on this platform."); + +#ifdef __linux__ +#endif + +#if defined (_MSC_VER) || defined (__MINGW32__) +#endif + + return r; +} + +#if defined (_MSC_VER) || defined (__MINGW32__) +HANDLE cdabstract::OpenIOCTLFile(char cLetter) { + HANDLE hF; + char szFName[16]; + OSVERSIONINFO ov; + DWORD dwFlags; + DWORD dwIOCTLAttr = 0; + + memset(&ov, 0, sizeof(OSVERSIONINFO)); + ov.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&ov); + + if((ov.dwPlatformId == VER_PLATFORM_WIN32_NT) && (ov.dwMajorVersion > 4)) + dwFlags = GENERIC_READ | GENERIC_WRITE; // add gen write on W2k/XP + else dwFlags = GENERIC_READ; + + wsprintf(szFName, "\\\\.\\%c:", cLetter); + + hF = CreateFile(szFName, dwFlags, FILE_SHARE_READ, // open drive + NULL, OPEN_EXISTING, dwIOCTLAttr, NULL); + + if (hF == INVALID_HANDLE_VALUE) { // mmm... no success? + dwFlags ^= GENERIC_WRITE; // -> try write toggle + hF = CreateFile(szFName, dwFlags, FILE_SHARE_READ, // -> open drive again + NULL, OPEN_EXISTING, dwIOCTLAttr, NULL); + if (hF == INVALID_HANDLE_VALUE) + return NULL; + } + return hF; +} + +typedef struct { + ULONG Length; + UCHAR PortNumber; + UCHAR PathId; + UCHAR TargetId; + UCHAR Lun; +} SCSI_ADDRESS, *PSCSI_ADDRESS; + +void cdabstract::GetIOCTLAdapter(HANDLE hF, int * iDA, int * iDT, int * iDL) { + char szBuf[1024]; + PSCSI_ADDRESS pSA; + DWORD dwRet; + + *iDA = *iDT = *iDL = -1; + + if (hF == NULL) + return; + + memset(szBuf,0,1024); + + pSA = (PSCSI_ADDRESS)szBuf; + pSA->Length = sizeof(SCSI_ADDRESS); + + if (!DeviceIoControl(hF, IOCTL_SCSI_GET_ADDRESS, NULL, 0, pSA, + sizeof(SCSI_ADDRESS), &dwRet, NULL)) + return; + + *iDA = pSA->PortNumber; + *iDT = pSA->TargetId; + *iDL = pSA->Lun; +} +#endif + +bool cdabstract::subprobe(String & probed) { +#ifdef __linux__ + int h, caps; + + h = open(probed.to_charp(), O_RDONLY | O_NONBLOCK); + + if (ioctl(h, CDROM_GET_CAPABILITY, &caps) < 0) { + close(h); + return false; + } else { + close(h); + return true; + } +#endif + +#if defined (_MSC_VER) || defined (__MINGW32__) + int iDA, iDT, iDL; + char letter[4]; + HANDLE h; + + if (GetDriveType(probed.to_charp()) == DRIVE_CDROM) { + h = OpenIOCTLFile(probed[0]); + GetIOCTLAdapter(h, &iDA, &iDT, &iDL); + CloseHandle(h); + if ((iDA != -1) && (iDT != -1) && (iDL != -1)) { + probed += String().set(" [%i:%i:%i]", iDA, iDT, iDL); + return true; + } + } +#endif + + return false; +} diff --git a/lib/cdreader.cpp b/lib/cdreader.cpp index 32e815f..5e88e98 100644 --- a/lib/cdreader.cpp +++ b/lib/cdreader.cpp @@ -12,6 +12,7 @@ #else #define _(x) x #endif +#include "cdabstract.h" bool cdreader::CanWrite() const { return 0; @@ -120,5 +121,60 @@ void cdreader::getsector(void *buf, int sec) throw (GeneralException) { sector++; } +#endif + +#if defined (_MSC_VER) || defined (__MINGW32__) +cdreader::cdreader(const String & no) throw (GeneralException) : + Handle(-1), n(no), sector(0) { + if (!(hF = cdabstract::OpenIOCTLFile(no[0]))) + throw GeneralException("Error opening device " + no); +} + +cdreader::cdreader(const cdreader & i) : Handle(i), n(i.n), hF(i.hF) { +} + +void cdreader::close() throw (GeneralException) { + CloseHandle(hF); +} + +typedef enum _TRACK_MODE_TYPE { + YellowMode2, + XAForm2, + CDDA +} TRACK_MODE_TYPE, *PTRACK_MODE_TYPE; + +typedef struct _RAW_READ_INFO { + LARGE_INTEGER DiskOffset; + ULONG SectorCount; + TRACK_MODE_TYPE TrackMode; +} RAW_READ_INFO, *PRAW_READ_INFO; + +void cdreader::getsector(void *buf, int sec) throw (GeneralException) { + RAW_READ_INFO rawIOCTL; + DWORD dwRet; + BOOL bStat; + bool done = false; + if (sec >= 0) + sector = sec; + + rawIOCTL.DiskOffset.QuadPart = sector * 2048; + rawIOCTL.SectorCount = 1; + rawIOCTL.TrackMode = YellowMode2; + + while (!done) { + SetLastError(0); + bStat = DeviceIoControl(hF, IOCTL_CDROM_RAW_READ, + &rawIOCTL, sizeof(RAW_READ_INFO), + buf, 2352, &dwRet, NULL); + if (!bStat) { + DWORD dwErrCode = GetLastError(); + if (dwErrCode != ERROR_IO_PENDING) { + throw GeneralException("Gave up on reading CD"); + } + } else { + done = true; + } + } +} #endif -- cgit v1.2.3