EnbanKensa/common/scan.c

/**
 * 円盤複写屋 - EnbanKensa
 * Copyright (C) 2005 Kagetani Hideto
 * scan.c - 光ディスク系ドライブ検索
 * $Date: 2005/12/11 15:21:45 $
 * $Revision: 1.5 $
 */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "aspi.h"
#include "cmd.h"
#include "scan.h"


#define MAX_SCAN 16*6

extern void DebugLog(char *fmt, ...);

#if !defined(MACOSX)
static BOOL IsWriterDrive(CMDDRIVE *drive)
{
        int ret;
        struct _MODEPAGE2A *mp2a;
        
        ret = SendModeSense(drive, MSPC_CURRENT, 0x2a);
        if(ret!=RET_OK)
                return FALSE;
        mp2a = (struct _MODEPAGE2A *)
                (drive->data_buf + (drive->cmd_type==CMDDRVCTYPE_ATAPI ? 8:16));
        if(mp2a->cd_r_write || mp2a->cd_rw_write || mp2a->dvd_r_write)
                return TRUE;

        /* GetConfig.も見ないとダメかも */
        return FALSE;
}
#endif


SCAN_t *ScanDrive(BOOL bWriter)
{
#if !defined(MACOSX)
        const BYTE inqcmd[12]={CMD_INQUIRY, 0, 0, 0, 96, 0, 0, 0, 0, 0, 0, 0};
        DWORD timeout=0;
        BYTE device_type;
        int ret;
#endif
        int num_drive=0;
        int hid, tid, max_hid, max_tid;
        SCAN_t *drives;
        CMDDRIVE drive;

        drives = (SCAN_t *)malloc(sizeof(SCAN_t)*MAX_SCAN);

#if defined(WIN32) || defined(linux)
        max_hid = GetHostAdapterCount();
        max_tid = GetMaxTarget();
#else
        /* MacOSX */
        max_hid = 1;
        max_tid = GetDriveCount();
#endif

        memset(&drive, 0, sizeof(CMDDRIVE));
        InitializeCmdDrive(&drive, 0x10000);

        for(hid=0; hid<max_hid; hid++){
                for(tid=0; tid<max_tid; tid++){
                        if(num_drive>=MAX_SCAN-1){
                                break;
                        }
                        DebugLog("[%d:%d]\n", hid, tid);
#ifdef MACOSX
                        if(GetInquiryString(tid, drive.data_buf, drive.bufsize)){
                                continue;
                        }
                        sprintf(drives[num_drive].inqdata, "[%d:%d] ", hid, tid);
                        strcpy(drives[num_drive].inqdata+strlen(drives[num_drive].inqdata),
                                drive.data_buf);
#else
                        DebugLog("[%d:%d] SetAspiSetting Start\n", hid, tid);
                        if(SetDriveAspiSetting(&drive, &hid, &tid, &timeout)!=RET_OK){
                                DebugLog("[%d:%d] select error\n", hid, tid);
                                continue;
                        }
                        DebugLog("[%d:%d] SetAspiSetting End\n", hid, tid);
# ifdef WIN32
                        if(CheckDiscDevice(&drive.drive)==0){
                                DebugLog("[%d:%d] not a disc device\n", hid, tid);
                                continue;
                        }
# endif
                        memset(drive.data_buf, 0, 96*2);
                        ret = SendCmd(&drive, (BYTE *)inqcmd, 96, REQ_DATAIN);
                        if(ret!=RET_OK){
                                /*DebugLog("[%d:%d] inquiry command error(%d:%d)\n", hid, tid, ret, drive.srb->SRB_Status);*/
                                continue;
                        }
#if 0
                        if(!memcmp(drive.data_buf, drive.data_buf+96, 96)){
                                DebugLog("[%d:%d] no inquiry data\n", hid, tid);
                                continue;
                        }
                        /* 何かデータを受信していればOKとする */
#endif
                        device_type = drive.data_buf[0]&0x1f;
                        if(device_type!=4 && device_type!=5){
                                DebugLog("[%d:%d] device=%d\n", hid, tid, device_type);
                                continue;
                        }
                        DebugLog("[%d:%d] OK\n", hid, tid);
#if defined(WIN32)
                        if(UsingSPTI())
                                sprintf(drives[num_drive].inqdata, "[%c:] ", tid+'C');
                        else
#endif
                        sprintf(drives[num_drive].inqdata, "[%d:%d] ", hid, tid);
                        drives[num_drive].inqdata[strlen(drives[num_drive].inqdata)+40]='\0';
                        strncpy(drives[num_drive].inqdata+strlen(drives[num_drive].inqdata),
                                        drive.data_buf+8, 40);
#endif
                        drives[num_drive].hid = hid;
                        drives[num_drive].tid = tid;
                        if(bWriter){
#ifdef MACOSX
                                if(MMCIsWriterDrive(tid, drive.data_buf, drive.bufsize)==FALSE){
                                        continue;
                                }
#else
                                if(IsWriterDrive(&drive)==FALSE){
                                        continue;
                                }
#endif
                        }
                        num_drive++;
                }
        }

        drives[num_drive].inqdata[0] = '\0';

        FreeCmdDrive(&drive);
        return drives;
}
