/* Opens the filedb responsible to the specified directory.
*/
static FILE *filedb_open(char *path, int sort)
{
char *s, *npath;
FILE *fdb;
filedb_top fdbt;
struct stat st;
if (count >= 2)
putlog(LOG_MISC, "*", "(@) warning: %d open filedb's", count);
npath = nmalloc(strlen(dccdir) + strlen(path) + 1);
simple_sprintf(npath, "%s%s", dccdir, path);
/* Use alternate filename if requested */
if (filedb_path[0]) {
char *s2;
s2 = make_point_path(path);
s = nmalloc(strlen(filedb_path) + strlen(s2) + 8);
simple_sprintf(s, "%sfiledb.%s", filedb_path, s2);
my_free(s2);
} else {
s = nmalloc(strlen(npath) + 10);
simple_sprintf(s, "%s/.filedb", npath);
}
fdb = fopen(s, "r+b");
if (!fdb) {
if (convert_old_files(npath, s)) {
fdb = fopen(s, "r+b");
if (fdb == NULL) {
putlog(LOG_MISC, "*", FILES_NOCONVERT, npath);
my_free(s);
my_free(npath);
return NULL;
}
lockfile(fdb);
filedb_update(npath, fdb, sort);
count++;
my_free(s);
my_free(npath);
return fdb;
} else {
filedb_top fdbt;
/* Create new database and fix it up */
fdb = fopen(s, "w+b");
if (!fdb) {
my_free(s);
my_free(npath);
return NULL;
}
lockfile(fdb);
fdbt.version = FILEDB_NEWEST_VER;
fdbt.timestamp = now;
filedb_writetop(fdb, &fdbt);
filedb_update(npath, fdb, sort);
count++;
my_free(s);
my_free(npath);
return fdb;
}
}
lockfile(fdb); /* Lock it from other bots */
filedb_readtop(fdb, &fdbt);
if (fdbt.version < FILEDB_NEWEST_VER) {
if (!convert_old_db(&fdb, s)) {
/* Conversion failed. Unlock file again and error out.
* (convert_old_db() could have modified fdb, so check
* for fdb != NULL.)
*/
if (fdb)
unlockfile(fdb);
my_free(npath);
my_free(s);
return NULL;
}
filedb_update(npath, fdb, sort);
}
stat(npath, &st);
/* Update filedb if:
* + it's been 6 hours since it was last updated
* + the directory has been visibly modified since then
* (6 hours may be a bit often)
*/
if (sort || ((now - fdbt.timestamp) > (6 * 3600)) ||
(fdbt.timestamp < st.st_mtime) || (fdbt.timestamp < st.st_ctime))
/* File database isn't up-to-date! */
filedb_update(npath, fdb, sort & 1);
else if ((now - fdbt.timestamp) > 300)
filedb_mergeempty(fdb);
count++;
my_free(npath);
my_free(s);
return fdb;
}
static FILE *filedb_open(char *path, int sort)
{
char s[DIRLEN], npath[DIRLEN];
FILE *f;
filedb fdb;
struct stat st;
if (count >= 2)
putlog(LOG_MISC, "*", "(@) warning: %d open filedb's", count);
simple_sprintf(npath, "%s%s", dccdir, path);
/* use alternate filename if requested */
if (filedb_path[0]) {
char s2[DIRLEN], *p;
strcpy(s2, path);
p = s2;
while (*p++)
if (*p == '/')
*p = '.';
simple_sprintf(s, "%sfiledb.%s", filedb_path, s2);
if (s[strlen(s) - 1] == '.')
s[strlen(s) - 1] = 0;
} else
simple_sprintf(s, "%s/.filedb", npath);
f = fopen(s, "r+b");
if (!f) {
/* attempt to convert */
if (convert_old_db(npath, s)) {
f = fopen(s, "r+b");
if (f == NULL) {
putlog(LOG_MISC, FILES_NOCONVERT, npath);
return NULL;
}
lockfile(f);
filedb_update(npath, f, sort); /* make it correct */
count++;
return f;
}
/* create new database and fix it up */
f = fopen(s, "w+b");
if (!f)
return NULL;
lockfile(f);
filedb_update(npath, f, sort);
count++;
return f;
}
/* lock it from other bots: */
lockfile(f);
/* check the timestamp... */
fread(&fdb, sizeof(filedb), 1, f);
stat(npath, &st);
/* update filedb if:
* + it's been 6 hours since it was last updated
* + the directory has been visibly modified since then
* (6 hours may be a bit often) */
if (sort || ((now - fdb.timestamp) > (6 * 3600)) ||
(fdb.timestamp < st.st_mtime) ||
(fdb.timestamp < st.st_ctime) ||
(fdb.version <= FILEVERSION_OLD))
/* file database isn't up-to-date! */
filedb_update(npath, f, sort & 1);
count++;
return f;
}
