/**
* statstape_print(d, tapename, csv_filename):
* Print statistics relating to a specific archive in a set. Return 0 on
* success, 1 if the tape does not exist, or -1 on other errors. If
* ${csv_filename} is not NULL, output will be written in CSV format to that
* filename.
*/
int
statstape_print(TAPE_S * d, const char * tapename, const char * csv_filename)
{
struct tapemetadata tmd;
int rc = -1; /* Presume error was not !found. */
FILE * output = stdout;
int csv = 0;
/* Should we output to a CSV file? */
if (csv_filename != NULL)
csv = 1;
/* Cache up to 100 bytes of blocks per chunk in the directory. */
storage_read_cache_limit(d->SR, 100 * chunks_stats_getdirsz(d->C));
/* Zero archive statistics. */
chunks_stats_zeroarchive(d->C);
/* Read the tape metadata. */
switch (multitape_metadata_get_byname(d->SR, d->C, &tmd, tapename, 0)) {
case 0:
break;
case 1:
rc = 1;
/* FALLTHROUGH */
default:
goto err0;
}
if (multitape_chunkiter_tmd(d->SR, d->C, &tmd,
callback_print, d->C, 0))
goto err2;
/* Free parsed metadata. */
multitape_metadata_free(&tmd);
/* Open CSV output file, if requested. */
if (csv && (output = fopen(csv_filename, "a")) == NULL)
goto err0;
/* Print the statistics. */
if (chunks_stats_printarchive(output, d->C, tapename, csv))
goto err1;
/* Close CSV output file. */
if (csv && fclose(output))
goto err0;
/* Success! */
return (0);
err2:
multitape_metadata_free(&tmd);
err1:
if (output != stdout)
fclose(output);
err0:
/* Failure! */
return (rc);
}
/**
* statstape_print(d, tapename):
* Print statistics relating to a specific archive in a set.
*/
int
statstape_print(TAPE_S * d, const char * tapename)
{
struct tapemetadata tmd;
/* Cache up to 100 bytes of blocks per chunk in the directory. */
storage_read_cache_limit(d->SR, 100 * chunks_stats_getdirsz(d->C));
/* Zero archive statistics. */
chunks_stats_zeroarchive(d->C);
/* Read the tape metadata. */
if (multitape_metadata_get_byname(d->SR, d->C, &tmd, tapename, 0))
goto err0;
if (multitape_chunkiter_tmd(d->SR, d->C, &tmd,
callback_print, d->C, 0))
goto err1;
/* Free parsed metadata. */
multitape_metadata_free(&tmd);
/* Print the statistics. */
if (chunks_stats_printarchive(stdout, d->C, tapename))
goto err0;
/* Success! */
return (0);
err1:
multitape_metadata_free(&tmd);
err0:
/* Failure! */
return (-1);
}
