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/*
* Copyright (C) 2020 - Vito Caputo - <vcaputo@pengaru.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <iou.h>
#include "reclaim-tail-waste.h"
#include "report-tail-waste.h"
#include "report-usage.h"
#include "upstream/journal-def.h"
/* jio - journal-file input/output tool */
/* Copyright (c) 2020 Vito Caputo <vcaputo@pengaru.com> */
/* XXX: This is a WIP experiment, use at your own risk! XXX */
int main(int argc, char *argv[])
{
iou_t *iou;
int r;
if (argc < 2) {
printf("Usage: %s {help,reclaim,report} [subcommand-args]\n", argv[0]);
return 0;
}
iou = iou_new(8);
if (!iou)
return 1;
/* FIXME TODO This is ad-hoc open-coded jank for now */
if (!strcmp(argv[1], "help")) {
printf(
"\n"
" help show this help\n"
" license print license header\n"
" reclaim [subcmd] reclaim space from journal files\n"
" tail-waste reclaim wasted space from tails of archives\n"
"\n"
" report [subcmd] report statistics about journal files\n"
" usage report space used by various object types\n"
" tail-waste report extra space allocated onto tails\n"
" version print jio version\n"
"\n"
);
return 0;
} else if (!strcmp(argv[1], "license")) {
printf(
"\n"
" Copyright (C) 2020 - Vito Caputo - <vcaputo@pengaru.com>\n"
"\n"
" This program is free software: you can redistribute it and/or modify it\n"
" under the terms of the GNU General Public License version 3 as published\n"
" by the Free Software Foundation.\n"
"\n"
" This program is distributed in the hope that it will be useful,\n"
" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
" GNU General Public License for more details.\n"
"\n"
" You should have received a copy of the GNU General Public License\n"
" along with this program. If not, see <http://www.gnu.org/licenses/>.\n"
"\n"
);
return 0;
} else if (!strcmp(argv[1], "reclaim")) {
if (argc < 3) {
printf("Usage: %s reclaim {tail-waste}\n", argv[0]);
return 0;
}
if (!strcmp(argv[2], "tail-waste")) {
r = jio_reclaim_tail_waste(iou, argc, argv);
if (r < 0) {
fprintf(stderr, "failed to reclaim tail waste: %s\n", strerror(-r));
return 1;
}
} else {
fprintf(stderr, "Unsupported reclaim subcommand: \"%s\"\n", argv[2]);
return 1;
}
} else if (!strcmp(argv[1], "report")) {
if (argc < 3) {
printf("Usage: %s report {usage,tail-waste}\n", argv[0]);
return 0;
}
if (!strcmp(argv[2], "tail-waste")) {
r = jio_report_tail_waste(iou, argc, argv);
if (r < 0) {
fprintf(stderr, "failed to report tail waste: %s\n", strerror(-r));
return 1;
}
} else if (!strcmp(argv[2], "usage")) {
r = jio_report_usage(iou, argc, argv);
if (r < 0) {
fprintf(stderr, "failed to report usage: %s\n", strerror(-r));
return 1;
}
} else {
fprintf(stderr, "Unsupported report subcommand: \"%s\"\n", argv[2]);
return 1;
}
} else if (!strcmp(argv[1], "version")) {
puts("jio version " VERSION);
return 0;
} else {
fprintf(stderr, "Unsupported subcommand: \"%s\"\n", argv[1]);
return 1;
}
if (!r) {
/* XXX: note this is a successful noop if there's no outstanding io */
r = iou_run(iou);
if (r < 0)
fprintf(stderr, "iou error: %s\n", strerror(-r));
}
iou_free(iou);
return r != 0;
}
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