void clear_utmp2(int uent)
{
int hashkey, find;
struct user_info zeroinfo;
struct userec* user;
if (!uent) {
bbslog("3system", "UTMP:clear uent == 0 entry");
#if 0
if (!CHECK_UENT(uinfo.uid))
return;
uent = getSession()->utmpent;
#endif
return;
}
if (!utmpshm->uinfo[uent - 1].active) { //atppp 20051217
bbslog("3system", "UTMP:clear inactive entry [%d]", uent);
// return;
}
user=getuserbynum(utmpshm->uinfo[uent-1].uid);
do_after_logout(user,get_utmpent(uent),uent,0,true);
do_after_logout(user,get_utmpent(uent),uent,0,false);
hashkey = utmp_hash(utmpshm->uinfo[uent - 1].userid);
find = utmphead->hashhead[hashkey];
if (find == uent)
utmphead->hashhead[hashkey] = utmphead->next[uent - 1];
else {
while (utmphead->next[find - 1] && utmphead->next[find - 1] != uent)
find = utmphead->next[find - 1];
if (!utmphead->next[find - 1])
bbslog("3system", "UTMP:Can't find %s [%d]", utmpshm->uinfo[uent - 1].userid, uent);
else
utmphead->next[find - 1] = utmphead->next[uent - 1];
}
/* remove from sorted list */
if (utmphead->listhead == uent) {
utmphead->listhead = utmphead->list_next[uent - 1];
if (utmphead->listhead == uent)
utmphead->listhead = 0;
}
utmphead->list_next[utmphead->list_prev[uent - 1] - 1] = utmphead->list_next[uent - 1];
utmphead->list_prev[utmphead->list_next[uent - 1] - 1] = utmphead->list_prev[uent - 1];
/* */
newbbslog(BBSLOG_USIES,"UTMP:clean %s(%d)", utmpshm->uinfo[uent - 1].userid, uent);
utmphead->next[uent - 1] = utmphead->hashhead[0];
utmphead->hashhead[0] = uent;
/* Delete the user's msglist entry from webmsgd,
* if the user is login from web. */
/*
if (utmpshm->uinfo[uent - 1].pid == 1)
delfrom_msglist(uent, utmpshm->uinfo[uent - 1].userid);
*/
zeroinfo.active = false;
zeroinfo.pid = 0;
zeroinfo.invisible = true;
zeroinfo.sockactive = false;
zeroinfo.sockaddr = 0;
zeroinfo.destuid = 0;
if (utmpshm->uinfo[uent - 1].active != false) {
utmphead->number--;
setpublicshmreadonly(0);
if (utmpshm->uinfo[uent-1].pid != 1) {
get_publicshm()->logoutcount ++;
get_publicshm()->staytime += time(NULL) - utmpshm->uinfo[uent-1].logintime;
} else {
get_publicshm()->wwwlogoutcount ++;
get_publicshm()->wwwstaytime += time(NULL) - utmpshm->uinfo[uent-1].logintime;
}
setpublicshmreadonly(1);
}
utmpshm->uinfo[uent - 1] = zeroinfo;
}
int getnewutmpent(struct user_info *up, int is_www)
{
struct user_info *uentp;
time_t now;
int pos, n, i,ret;
int utmpfd, hashkey;
utmpfd = utmp_lock();
utmp_setreadonly(0);
up->utmpkey=rand() % 100000000;
pos = utmphead->hashhead[0] - 1;
if (pos == -1) {
ret=-1;
} else {
/* add to sorted list */
if (!utmphead->listhead) { /* init the list head */
utmphead->list_prev[pos] = pos + 1;
utmphead->list_next[pos] = pos + 1;
utmphead->listhead = pos + 1;
} else {
int i;
i = utmphead->listhead;
if (strcasecmp(utmpshm->uinfo[i - 1].userid, up->userid) >= 0) {
/* add to head */
utmphead->list_prev[pos] = utmphead->list_prev[i - 1];
utmphead->list_next[pos] = i;
utmphead->list_prev[i - 1] = pos + 1;
utmphead->list_next[utmphead->list_prev[pos] - 1] = pos + 1;
utmphead->listhead = pos + 1;
} else {
int count;
count = 0;
i = utmphead->list_next[i - 1];
while ((strcasecmp(utmpshm->uinfo[i - 1].userid, up->userid) < 0) && (i != utmphead->listhead)) {
i = utmphead->list_next[i - 1];
count++;
if (count > USHM_SIZE) {
utmphead->listhead = 0;
bbslog("3system", "UTMP:maybe loop rebuild!");
apply_ulist((APPLY_UTMP_FUNC) rebuild_list, NULL);
utmp_setreadonly(1);
utmp_unlock(utmpfd);
exit(-1);
}
}
utmphead->list_prev[pos] = utmphead->list_prev[i - 1];
utmphead->list_next[pos] = i;
utmphead->list_prev[i - 1] = pos + 1;
utmphead->list_next[utmphead->list_prev[pos] - 1] = pos + 1;
}
}
/* */
utmphead->hashhead[0] = utmphead->next[pos];
if (utmpshm->uinfo[pos].active)
if (utmpshm->uinfo[pos].pid) {
bbslog("3system", "utmp: alloc a active utmp! old:%s new:%s", utmpshm->uinfo[pos].userid, up->userid);
kill(utmpshm->uinfo[pos].pid, SIGHUP);
}
utmpshm->uinfo[pos] = *up;
hashkey = utmp_hash(up->userid);
i = utmphead->hashhead[hashkey];
/* not need sort */
utmphead->next[pos] = i;
utmphead->hashhead[hashkey] = pos + 1;
utmphead->number++;
setpublicshmreadonly(0);
if (!is_www) {
get_publicshm()->logincount ++;
} else {
get_publicshm()->wwwlogincount ++;
}
setpublicshmreadonly(1);
if (get_utmp_number() + getwwwguestcount()>get_publicshm()->max_user) {
setpublicshmreadonly(0);
save_maxuser();
setpublicshmreadonly(1);
}
now = time(NULL);
if ((now > utmphead->uptime + 120) || (now < utmphead->uptime - 120)) {
utmphead->uptime = now;
newbbslog(BBSLOG_USIES, "UTMP:Clean user utmp cache");
for (n = 0; n < USHM_SIZE; n++) {
utmphead->uptime = now;
uentp = &(utmpshm->uinfo[n]);
if ((uentp->pid == 1)
&& ((now - uentp->freshtime) < IDLE_TIMEOUT)) {
continue;
}
if (uentp->active && uentp->pid && kill(uentp->pid, 0) == -1) { /*uentp检查 */
char buf[STRLEN];
strncpy(buf, uentp->userid, IDLEN + 2);
clear_utmp2(n + 1); /* 不需要再lock了 */
RemoveMsgCountFile(buf);
}
}
}
ret=pos+1;
}
utmp_setreadonly(1);
utmp_unlock(utmpfd);
return ret;
}
/* same as getnewutmpent() except no updating of utmpshm
* only called in www
*/
int getnewutmpent2(struct user_info *up, int is_www)
{
int pos, i,ret;
int utmpfd, hashkey;
utmpfd = utmp_lock();
utmp_setreadonly(0);
up->utmpkey = rand() % 100000000;
pos = utmphead->hashhead[0] - 1;
if (pos == -1) {
ret=-1;
} else {
/* add to sorted list */
if (!utmphead->listhead) { /* init the list head */
utmphead->list_prev[pos] = pos + 1;
utmphead->list_next[pos] = pos + 1;
utmphead->listhead = pos + 1;
} else {
int i;
i = utmphead->listhead;
if (strcasecmp(utmpshm->uinfo[i - 1].userid, up->userid) >= 0) {
/* add to head */
utmphead->list_prev[pos] = utmphead->list_prev[i - 1];
utmphead->list_next[pos] = i;
utmphead->list_prev[i - 1] = pos + 1;
utmphead->list_next[utmphead->list_prev[pos] - 1] = pos + 1;
utmphead->listhead = pos + 1;
} else {
int count;
count = 0;
i = utmphead->list_next[i - 1];
while ((strcasecmp(utmpshm->uinfo[i - 1].userid, up->userid) < 0) && (i != utmphead->listhead)) {
i = utmphead->list_next[i - 1];
count++;
if (count > USHM_SIZE) {
utmphead->listhead = 0;
bbslog("3system", "UTMP:maybe loop rebuild..!");
apply_ulist((APPLY_UTMP_FUNC) rebuild_list, NULL);
utmp_setreadonly(1);
utmp_unlock(utmpfd);
exit(-1);
}
}
utmphead->list_prev[pos] = utmphead->list_prev[i - 1];
utmphead->list_next[pos] = i;
utmphead->list_prev[i - 1] = pos + 1;
utmphead->list_next[utmphead->list_prev[pos] - 1] = pos + 1;
}
}
utmphead->hashhead[0] = utmphead->next[pos];
if (utmpshm->uinfo[pos].active)
if (utmpshm->uinfo[pos].pid) {
bbslog("3system", "utmp: alloc a active utmp! old:%s new:%s", utmpshm->uinfo[pos].userid, up->userid);
kill(utmpshm->uinfo[pos].pid, SIGHUP);
}
utmpshm->uinfo[pos] = *up;
hashkey = utmp_hash(up->userid);
i = utmphead->hashhead[hashkey];
/* not need sort */
utmphead->next[pos] = i;
utmphead->hashhead[hashkey] = pos + 1;
utmphead->number++;
setpublicshmreadonly(0);
if (!is_www) {
get_publicshm()->logincount ++;
} else {
get_publicshm()->wwwlogincount ++;
}
setpublicshmreadonly(1);
ret=pos+1;
}
utmp_setreadonly(1);
utmp_unlock(utmpfd);
return ret;
}
int main(void)
{
int n,prev,pos,next,nn,ppd;
int pig=0;
int i,j;//,k;
//int inlist=0;
int utmpfd;//, hashkey;
init_all();
pos=-1;
#if 1
utmpfd = utmp_lock();
utmphead->hashhead[0]=0;
for (i = 0; i <= USHM_SIZE - 1; i++) {
if (!utmpshm->uinfo[i].active) {
add_empty(i+1);
}
}
utmp_unlock(utmpfd);
printf("end\n");
// return;
#endif
j=0;
for(i = utmphead->hashhead[0]; i; i = utmphead->next[i - 1])
j++;
printf("items on hashhead[0] chain:%d\n",j);
j=0; pig=0;
for(i=0;i<USHM_SIZE;i++){
if (!utmpshm->uinfo[i].active) j++;
else pig++;
}
printf("direct iteration: inactive:%d, active:%d\n",j,pig);
pig=0;
for(n=1;n<=UTMP_HASHSIZE;n++) {
ppd=false;
next = utmphead->hashhead[n];
prev = -1;
while(next) {
nn = utmphead->next[next - 1];
if (!utmpshm->uinfo[next - 1].active) {
if (pos==-1) pos=prev;
//printf("%d, %d, %s\n", next, nn, utmpshm->uinfo[next - 1].userid);
ppd=true;
} else {
int hash = utmp_hash(getuserid2(utmpshm->uinfo[next - 1].uid));
if (hash!=n) {
printf("utmp_hash err: %d %d %d %d %s\n", n, next,
utmphead->hashhead[n], nn,
getuserid2(utmpshm->uinfo[next - 1].uid));
if (0) {
if (utmphead->hashhead[n] == next) {
utmphead->hashhead[n] = nn;
} else {
utmphead->next[prev - 1] = nn;
}
}
}
}
prev = next;
next = nn;
pig++;
}
if(ppd) printf("ERROR:%d,%d,%d\n", n, utmphead->hashhead[n], pos);
}
printf("active: %d, total: %d\n", pig, pig+j);
n=utmphead->listhead;
pig=0; prev=-1;
while(n) {
pig++;
if (prev>0) {
if (strcasecmp(utmpshm->uinfo[prev-1].userid, utmpshm->uinfo[n-1].userid) > 0) {
printf("list chain error: %d %d\n", prev, n);
}
}
prev=n;
n=utmphead->list_next[n-1];
if (utmphead->list_prev[n-1]!=prev) {
printf("list chain list_prev error: %d %d\n", prev, n);
}
if (n==utmphead->listhead) {
break;
}
}
printf("active on list chain: %d\n", pig);
// return 0;
#if 0
for (i = 0; i <= USHM_SIZE - 1; i++) {
if (!utmpshm->uinfo[i].active) {
if(!in_hash(i+1)){
//printf("%d empty but not in hash\n", i);
pig ++;
if(in_list(i))
inlist++;
//if(pig >=40) break;
}
}
}
printf("%d total,%d inlist\n", pig, inlist);
if(i==USHM_SIZE) return;
return;
k=utmphead->listhead;
for(j=utmphead->list_next[k-1]; j!=k && j; j=utmphead->list_next[j-1]){
if(j==i+1) printf("in listhead\n");
}
return;
#endif
pig=0;
next = utmphead->hashhead[0];
while(next) {
if (pos!=-1 &&pos==next) {
printf("%d: on empty list\n", pos);
return 0;
}
nn = utmphead->next[next - 1];
next = nn;
pig++;
}
printf("%d %ld %ld\n", pig, utmphead->uptime, time(NULL));
time_t now = time(NULL); int web=0;int kick=0;
pig=0;
for (n = 0; n < USHM_SIZE; n++) {
struct user_info *uentp = &(utmpshm->uinfo[n]);
//printf("%d, %d\n", n, uentp->pid);
if ((uentp->pid == 1)
&& ((now - uentp->freshtime) < IDLE_TIMEOUT)) {
continue;
}
if (uentp->pid==0 && uentp->active) kick++;
if (/*uentp->active &&*/ uentp->pid && kill(uentp->pid, 0) == -1) { /*uentp¼ì²é */
pig++;
if(uentp->pid==1) web++;
}
}
printf("killable: %d, web: %d, pid0: %d\n", pig, web, kick);
return 0;
}
