diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/cdabstract.cpp | 147 | ||||
| -rw-r--r-- | lib/cdreader.cpp | 56 |
2 files changed, 198 insertions, 5 deletions
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 <unistd.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <linux/cdrom.h>
+#endif + +#if defined (_MSC_VER) || defined (__MINGW32__) +#include <windowsx.h> +#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<String> cdabstract::probe() throw (GeneralException) { + std::vector<String> 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 |