void
sethomefile(char *buf, const char *userid, const char *fname)
{
assert(is_validuserid(userid));
assert(fname[0]);
snprintf(buf, PATHLEN, str_home_file, userid[0], userid, fname);
}
void
setuserhashedfile(char *buf, const char *filename)
{
#ifdef USERHASHSTORE_ROOTPATH
// hash designed by kcwu
unsigned hash = StringHash(cuser.userid) & 0xffff;
assert(is_validuserid(cuser.userid));
snprintf(buf, PATHLEN,
USERHASHSTORE_ROOTPATH "/%02x/%02x/%s.%s.%x",
(hash >> 8) & 0xff, hash & 0xff,
filename, cuser.userid, cuser.firstlogin);
#else
(void)buf;
(void)filename;
assert(!"you must define and initialize USERHASHSTORE_ROOTPATH");
#endif
}
void userec_add_to_uhash(int n, userec_t *user, int onfly)
{
int *p, h, l=0;
// uhash use userid="" to denote free slot for new register
// However, such entries will have the same hash key.
// So we skip most of invalid userid to prevent lots of hash collision.
if (!is_validuserid(user->userid)) {
// dirty hack, preserve few slot for new register
static int count = 0;
count++;
if (count > 1000)
return;
}
h = StringHash(user->userid)%(1<<HASH_BITS);
p = &(SHM->hash_head[h]);
if(!onfly || SHM->userid[n][0] != user->userid[0] ||
strncmp(SHM->userid[n], user->userid, IDLEN-1))
{
strcpy(SHM->userid[n], user->userid);
SHM->money[n] = user->money;
#ifdef USE_COOLDOWN
SHM->cooldowntime[n] = 0;
#endif
if(onfly)
printf("add %s\n", user->userid);
}
while (*p != -1)
{
if(onfly && *p==n ) // already in hash
return;
l++;
p = &(SHM->next_in_hash[*p]);
}
if(onfly)
printf("add %d %d %d [%s] in hash\n", l, h, n, user->userid);
SHM->next_in_hash[*p = n] = -1;
}
void
sethomeman(char *buf, const char *userid)
{
assert(is_validuserid(userid));
snprintf(buf, PATHLEN, str_home_file, userid[0], userid, "man");
}
void
sethomedir(char *buf, const char *userid)
{
assert(is_validuserid(userid));
snprintf(buf, PATHLEN, str_home_file, userid[0], userid, str_dotdir);
}
/* XXX set*() all assume buffer size = PATHLEN */
void
sethomepath(char *buf, const char *userid)
{
assert(is_validuserid(userid));
snprintf(buf, PATHLEN, "home/%c/%s", userid[0], userid);
}
