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/* This file is part of "reprepro"
* Copyright (C) 2011 Bernhard R. Link
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <config.h>
#include <sys/types.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include "error.h"
#include "strlist.h"
#include "distribution.h"
#include "database.h"
#include "database_p.h"
#include "files.h"
#include "sizes.h"
struct distribution_sizes {
struct distribution_sizes *next;
const char *codename;
char *v;
size_t codename_len;
struct {
unsigned long long all, onlyhere;
} this, withsnapshots;
bool seen, seensnapshot;
};
static void distribution_sizes_freelist(struct distribution_sizes *ds) {
while (ds != NULL) {
struct distribution_sizes *s = ds;
ds = ds->next;
free(s->v);
free(s);
}
}
static bool fromdist(struct distribution_sizes *dist, const char *data, size_t len, bool *snapshot_p) {
if (len < dist->codename_len + 1)
return false;
if (data[dist->codename_len] == '=')
*snapshot_p = true;
else if (data[dist->codename_len] == '|' ||
data[dist->codename_len] == ' ')
*snapshot_p = false;
else
return false;
return memcmp(data, dist->codename, dist->codename_len) == 0;
}
static retvalue count_sizes(struct cursor *cursor, bool specific, struct distribution_sizes *ds, unsigned long long *all_p, unsigned long long *onlyall_p) {
const char *key, *data;
size_t len;
char *last_file = NULL;
unsigned long long filesize = 0;
bool onlyone = true;
struct distribution_sizes *last_dist;
struct distribution_sizes *s;
bool snapshot;
unsigned long long all = 0, onlyall = 0;
while (cursor_nexttempdata(rdb_references, cursor,
&key, &data, &len)) {
if (last_file == NULL || strcmp(last_file, key) != 0) {
if (last_file != NULL) {
free(last_file);
for (s = ds ; s != NULL ; s = s->next) {
s->seen = false;
s->seensnapshot = false;
}
}
last_file = strdup(key);
if (FAILEDTOALLOC(last_file))
return RET_ERROR_OOM;
onlyone = true;
filesize = 0;
last_dist = NULL;
}
if (data[0] == 'u' && data[1] == '|') {
data += 2;
len -= 2;
} else if (data[0] == 's' && data[1] == '=') {
data += 2;
len -= 2;
}
if (last_dist != NULL &&
fromdist(last_dist, data, len, &snapshot)) {
/* same distribution again */
if (!snapshot && !last_dist->seen) {
last_dist->seen = true;
last_dist->this.all += filesize;
if (onlyone)
last_dist->this.onlyhere += filesize;
}
continue;
}
s = ds;
while (s != NULL && !fromdist(s, data, len, &snapshot))
s = s->next;
if (s == NULL) {
if (onlyone && last_dist != NULL) {
if (!last_dist->seen)
last_dist->this.onlyhere -= filesize;
last_dist->withsnapshots.onlyhere -= filesize;
}
if (last_dist != NULL)
onlyall -= filesize;
onlyone = false;
if (!specific) {
struct distribution_sizes **s_p = &ds->next;
const char *p;
p = data;
while (*p != '\0' && *p != ' ' && *p != '|'
&& *p != '=')
p++;
if (*p == '\0')
continue;
while (*s_p != NULL)
s_p = &(*s_p)->next;
s = zNEW(struct distribution_sizes);
if (FAILEDTOALLOC(s)) {
free(last_file);
return RET_ERROR_OOM;
}
*s_p = s;
s->v = strndup(data, (p-data) + 1);
if (FAILEDTOALLOC(s)) {
free(last_file);
return RET_ERROR_OOM;
}
s->v[p-data] = '*';
s->codename = s->v;
s->codename_len = p-data;
snapshot = *p == '=';
} else
/* last_dist not changed on purpose */
continue;
}
/* found it to belong to distribution s */
if (s->seen) {
assert (last_dist != NULL);
assert (!onlyone);
continue;
}
if (s->seensnapshot && !snapshot) {
s->seen = true;
s->this.all += filesize;
assert (last_dist != NULL);
assert (!onlyone);
continue;
}
/* distribution seen for this file the first time */
if (last_dist != NULL) {
if (onlyone) {
last_dist->withsnapshots.onlyhere -= filesize;
if (last_dist->seen)
last_dist->this.onlyhere -= filesize;
onlyone = false;
}
assert (filesize != 0);
} else {
/* and this is the first time
* we are interested in the file */
filesize = files_getsize(key);
assert (filesize != 0);
if (onlyone)
onlyall += filesize;
all += filesize;
}
last_dist = s;
if (snapshot) {
s->seensnapshot = true;
} else {
s->seen = true;
last_dist->this.all += filesize;
if (onlyone)
last_dist->this.onlyhere += filesize;
}
last_dist->withsnapshots.all += filesize;
if (onlyone)
last_dist->withsnapshots.onlyhere += filesize;
}
free(last_file);
*all_p = all;
*onlyall_p = onlyall;
return RET_OK;
}
retvalue sizes_distributions(struct distribution *alldistributions, bool specific) {
struct cursor *cursor;
retvalue result, r;
struct distribution_sizes *ds = NULL, **lds = &ds, *s;
struct distribution *d;
unsigned long long all = 0, onlyall = 0;
for (d = alldistributions ; d != NULL ; d = d->next) {
if (!d->selected)
continue;
s = zNEW(struct distribution_sizes);
if (FAILEDTOALLOC(s)) {
distribution_sizes_freelist(ds);
return RET_ERROR_OOM;
}
s->codename = d->codename;
s->codename_len = strlen(d->codename);
*lds = s;
lds = &s->next;
}
if (ds == NULL)
return RET_NOTHING;
r = table_newglobalcursor(rdb_references, true, &cursor);
if (!RET_IS_OK(r)) {
distribution_sizes_freelist(ds);
return r;
}
result = count_sizes(cursor, specific, ds, &all, &onlyall);
r = cursor_close(rdb_references, cursor);
RET_ENDUPDATE(result, r);
if (RET_IS_OK(result)) {
printf("%-15s %13s %13s %13s %13s\n",
"Codename", "Size", "Only", "Size(+s)",
"Only(+s)");
for (s = ds ; s != NULL ; s = s->next) {
printf("%-15s %13llu %13llu %13llu %13llu\n",
s->codename,
s->this.all,
s->this.onlyhere,
s->withsnapshots.all,
s->withsnapshots.onlyhere);
}
if (specific && ds->next != NULL)
printf("%-15s %13s %13s %13llu %13llu\n",
"<all selected> ",
"", "",
all, onlyall);
}
distribution_sizes_freelist(ds);
return result;
}
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