libburnia/libburn
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Implemented burn_abort() and made use of it

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This commit is contained in:
Thomas Schmitt
2006-10-02 10:35:51 +00:00
parent 5aa2729766
commit b3bea43074
7 changed files with 147 additions and 11 deletions
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86
libburn/drive.c
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@ -27,9 +27,6 @@ extern struct libdax_msgs *libdax_messenger;
static struct burn_drive drive_array[255];
static int drivetop = -1;
int burn_drive_is_open(struct burn_drive *d);
int burn_drive_convert_fs_adr_sub(char *path, char adr[], int *rec_count);
/* ts A60904 : ticket 62, contribution by elmom */
/* splitting former burn_drive_free() (which freed all, into two calls) */
@ -527,13 +524,11 @@ void burn_drive_info_free(struct burn_drive_info drive_infos[])
burn_drive_free_all();
}
/* Experimental API call */
int burn_drive_info_forget(struct burn_drive_info *info, int force)
/* ts A61001 : internal call */
int burn_drive_forget(struct burn_drive *d, int force)
{
int occup;
struct burn_drive *d;
d = info->drive;
occup = burn_drive_is_occupied(d);
/*
fprintf(stderr, "libburn: experimental: occup == %d\n",occup);
@ -556,6 +551,12 @@ int burn_drive_info_forget(struct burn_drive_info *info, int force)
return 1;
}
/* API call */
int burn_drive_info_forget(struct burn_drive_info *info, int force)
{
return burn_drive_forget(info->drive, force);
}
struct burn_disc *burn_drive_get_disc(struct burn_drive *d)
{
d->disc->refcnt++;
@ -954,3 +955,74 @@ int burn_drive_convert_fs_adr(char *path, char adr[])
return ret;
}
/** A pacifier function suitable for burn_abort.
@param handle If not NULL, a pointer to a text suitable for printf("%s")
*/
int burn_abort_pacifier(void *handle, int patience, int elapsed)
{
char *prefix= "libburn : ";
if(handle!=NULL)
prefix= handle;
fprintf(stderr,
"\r%sABORT : Waiting for drive to finish since %d seconds (%d max)",
(char *) prefix, elapsed, patience);
return(1);
}
/** Abort any running drive operation and finis libburn.
@param patience Maximum number of seconds to wait for drives to finish
@param pacifier_func Function to produce appeasing messages. See
burn_abort_pacifier() for an example.
@return 1 ok, all went well
0 had to leave a drive in unclean state
<0 severe error, do no use libburn again
*/
int burn_abort(int patience,
int (*pacifier_func)(void *handle, int patience, int elapsed),
void *handle)
{
int ret, i, occup, still_not_done= 1, pacifier_off= 0, first_round= 1;
unsigned long wait_grain= 100000;
time_t start_time, current_time, pacifier_time, end_time;
current_time = start_time = pacifier_time = time(0);
end_time = start_time + patience;
while(current_time-end_time < patience) {
still_not_done = 0;
for(i = 0; i < drivetop + 1; i++) {
occup = burn_drive_is_occupied(&(drive_array[i]));
if(occup == -2)
continue;
if(occup <= 10) {
burn_drive_forget(&(drive_array[i]), 1);
} else if(occup <= 100) {
if(first_round)
burn_drive_cancel(&(drive_array[i]));
still_not_done++;
} else if(occup <= 1000) {
still_not_done++;
}
}
first_round = 0;
if(still_not_done == 0)
break;
usleep(wait_grain);
current_time = time(0);
if(current_time>pacifier_time) {
if(pacifier_func != NULL && !pacifier_off) {
ret = (*pacifier_func)(handle, patience,
current_time-start_time);
pacifier_off = (ret <= 0);
}
pacifier_time = current_time;
}
}
burn_finish();
return(still_not_done == 0);
}