int
Get_Next_HR_Disk (void)
{
char string[100];
int fd, result;
int index;
int max_disks;
time_t now;
HRD_index++;
(void*) time( &now );
while ( HRD_type_index < HR_number_disk_types ) {
max_disks = disk_device_last[ HRD_type_index ] -
disk_device_id[ HRD_type_index ] +1;
while ( HRD_index < max_disks ) {
index = (HRD_type_index << HRDISK_TYPE_SHIFT) + HRD_index;
/*
* Check to see whether this device
* has been probed for 'recently'
* and skip if so.
* This has a *major* impact on run
* times (by a factor of 10!)
*/
if (( HRD_history[ index ] != 0 ) &&
(( now - HRD_history[ index ]) < 60 ))
{
HRD_index++;
continue;
}
/* Construct the device name in "string" */
sprintf(string, disk_device_strings[ HRD_type_index ],
disk_device_id[ HRD_type_index ] + HRD_index,
disk_device_full[ HRD_type_index ] );
DEBUGMSGTL(("host/hr_disk", "Get_Next_HR_Disk: %s (%d/%d)\n",
string, HRD_type_index, HRD_index ));
fd = open( string, O_RDONLY );
if (fd != -1 ) {
result = Query_Disk( fd );
close(fd);
if ( result != -1 ) {
HRD_history[ index ] = 0;
return ((HRDEV_DISK << HRDEV_TYPE_SHIFT) + index );
}
}
HRD_history[ index ] = now;
HRD_index++;
}
HRD_type_index++;
HRD_index = 0;
}
HRD_index = -1;
return -1;
}
int
Get_Next_HR_Disk(void)
{
char string[1024];
int fd, result;
int iindex;
int max_disks;
time_t now;
HRD_index++;
(void *) time(&now);
DEBUGMSGTL(("host/hr_disk", "Next_Disk type %d of %d\n",
HRD_type_index, HR_number_disk_types));
while (HRD_type_index < HR_number_disk_types) {
max_disks = disk_devices[HRD_type_index].disk_device_last -
disk_devices[HRD_type_index].disk_device_first + 1;
DEBUGMSGTL(("host/hr_disk", "Next_Disk max %d of type %d\n",
max_disks, HRD_type_index));
while (HRD_index < max_disks) {
iindex = (HRD_type_index << HRDISK_TYPE_SHIFT) + HRD_index;
/*
* Check to see whether this device
* has been probed for 'recently'
* and skip if so.
* This has a *major* impact on run
* times (by a factor of 10!)
*/
if ((HRD_history[iindex] > 0) &&
((now - HRD_history[iindex]) < 60)) {
HRD_index++;
continue;
}
/*
* Construct the full device name in "string"
*/
if (disk_devices[HRD_type_index].disk_controller != -1) {
snprintf(string, sizeof(string),
disk_devices[HRD_type_index].disk_devfull_string,
disk_devices[HRD_type_index].disk_controller,
disk_devices[HRD_type_index].disk_device_first +
HRD_index);
} else {
snprintf(string, sizeof(string),
disk_devices[HRD_type_index].disk_devfull_string,
disk_devices[HRD_type_index].disk_device_first +
HRD_index);
}
string[ sizeof(string)-1 ] = 0;
DEBUGMSGTL(("host/hr_disk", "Get_Next_HR_Disk: %s (%d/%d)\n",
string, HRD_type_index, HRD_index));
if (HRD_history[iindex] == -1) {
/*
* check whether this device is in the "ignoredisk" list in
* the config file. if yes this device will be marked as
* invalid for the future, i.e. it won't ever be checked
* again.
*/
if (match_disk_config(string)) {
/*
* device name matches entry in ignoredisk list
*/
DEBUGMSGTL(("host/hr_disk",
"Get_Next_HR_Disk: %s ignored\n", string));
HRD_history[iindex] = LONG_MAX;
HRD_index++;
continue;
}
}
/*
* use O_NDELAY to avoid CDROM spin-up and media detection
* * (too slow) --okir
*/
/*
* at least with HP-UX 11.0 this doesn't seem to work properly
* * when accessing an empty CDROM device --jsf
*/
#ifdef O_NDELAY /* I'm sure everything has it, but just in case... --Wes */
fd = open(string, O_RDONLY | O_NDELAY);
#else
fd = open(string, O_RDONLY);
#endif
if (fd != -1) {
result = Query_Disk(fd, string);
close(fd);
if (result != -1) {
HRD_history[iindex] = 0;
return ((HRDEV_DISK << HRDEV_TYPE_SHIFT) + iindex);
}
}
HRD_history[iindex] = now;
HRD_index++;
}
HRD_type_index++;
HRD_index = 0;
}
HRD_index = -1;
return -1;
}
