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authorpiaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2009-06-12 16:04:06 +0800
committerpiaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2009-06-12 16:04:06 +0800
commit198bbbeaa7379abfc7454177fe7e4012a62df0ef (patch)
tree9454e9402aed02dca81bceac3ae1498f160fc9ad /mbbsd
parentc9d7d44adbb0dcf82a50fad9f7bc9e9ded989151 (diff)
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* refine cmbbs/cache.c: we don't need 'util_cache.o' anymore! simply common bbs library (libcmbbs.a).
git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4569 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'mbbsd')
-rw-r--r--mbbsd/cache.c993
1 files changed, 26 insertions, 967 deletions
diff --git a/mbbsd/cache.c b/mbbsd/cache.c
index 38f4a0b0..ebbf164f 100644
--- a/mbbsd/cache.c
+++ b/mbbsd/cache.c
@@ -2,213 +2,14 @@
#include "bbs.h"
#ifdef _BBS_UTIL_C_
-# define log_usies(a, b) ;
-# define abort_bbs(a) exit(1)
+#error sorry, mbbsd/cache.c does not support utility mode anymore. please use libcmbbs instead.
#endif
-/*
- * the reason for "safe_sleep" is that we may call sleep during SIGALRM
- * handler routine, while SIGALRM is blocked. if we use the original sleep,
- * we'll never wake up.
- */
-unsigned int
-safe_sleep(unsigned int seconds)
-{
- /* jochang sleep有問題時用 */
- sigset_t set, oldset;
-
- sigemptyset(&set);
- sigprocmask(SIG_BLOCK, &set, &oldset);
- if (sigismember(&oldset, SIGALRM)) {
- unsigned int retv;
- log_usies("SAFE_SLEEP ", "avoid hang");
- sigemptyset(&set);
- sigaddset(&set, SIGALRM);
- sigprocmask(SIG_UNBLOCK, &set, NULL);
- retv = sleep(seconds);
- sigprocmask(SIG_BLOCK, &set, NULL);
- return retv;
- }
- return sleep(seconds);
-}
-
-/*
- * section - SHM
- */
-static void
-attach_err(int shmkey, const char *name)
-{
- fprintf(stderr, "[%s error] key = %x\n", name, shmkey);
- fprintf(stderr, "errno = %d: %s\n", errno, strerror(errno));
- exit(1);
-}
-
-void *
-attach_shm(int shmkey, int shmsize)
-{
- void *shmptr = (void *)NULL;
- int shmid;
-
- shmid = shmget(shmkey, shmsize,
-#ifdef USE_HUGETLB
- SHM_HUGETLB |
-#endif
- 0);
- if (shmid < 0) {
- // SHM should be created by uhash_loader, NOT mbbsd or other utils
- attach_err(shmkey, "shmget");
- } else {
- shmptr = (void *)shmat(shmid, NULL, 0);
- if (shmptr == (void *)-1)
- attach_err(shmkey, "shmat");
- }
-
- return shmptr;
-}
-
-void
-attach_SHM(void)
-{
- SHM = attach_shm(SHM_KEY, SHMSIZE);
- if(SHM->version != SHM_VERSION) {
- fprintf(stderr, "Error: SHM->version(%d) != SHM_VERSION(%d)\n", SHM->version, SHM_VERSION);
- fprintf(stderr, "Please use the source code version corresponding to SHM,\n"
- "or use ipcrm(1) command to clean share memory.\n");
- exit(1);
- }
- if (!SHM->loaded) /* (uhash) assume fresh shared memory is
- * zeroed */
- exit(1);
- if (SHM->Btouchtime == 0)
- SHM->Btouchtime = 1;
- bcache = SHM->bcache;
- numboards = SHM->Bnumber;
-
- if (SHM->Ptouchtime == 0)
- SHM->Ptouchtime = 1;
-
- if (SHM->Ftouchtime == 0)
- SHM->Ftouchtime = 1;
-}
/*
- * section - user cache(including uhash)
- */
-/* uhash ****************************************** */
-/*
- * the design is this: we use another stand-alone program to create and load
- * data into the hash. (that program could be run in rc-scripts or something
- * like that) after loading completes, the stand-alone program sets loaded to
- * 1 and exits.
- *
- * the bbs exits if it can't attach to the shared memory or the hash is not
- * loaded yet.
+ * section - utmp cache
*/
void
-add_to_uhash(int n, const char *id)
-{
- int *p, h = StringHash(id)%(1<<HASH_BITS);
- int times;
- strlcpy(SHM->userid[n], id, sizeof(SHM->userid[n]));
-
- p = &(SHM->hash_head[h]);
-
- for (times = 0; times < MAX_USERS && *p != -1; ++times)
- p = &(SHM->next_in_hash[*p]);
-
- if (times == MAX_USERS)
- abort_bbs(0);
-
- SHM->next_in_hash[*p = n] = -1;
-}
-
-void
-remove_from_uhash(int n)
-{
-/*
- * note: after remove_from_uhash(), you should add_to_uhash() (likely with a
- * different name)
- */
- int h = StringHash(SHM->userid[n])%(1<<HASH_BITS);
- int *p = &(SHM->hash_head[h]);
- int times;
-
- for (times = 0; times < MAX_USERS && (*p != -1 && *p != n); ++times)
- p = &(SHM->next_in_hash[*p]);
-
- if (times == MAX_USERS)
- abort_bbs(0);
-
- if (*p == n)
- *p = SHM->next_in_hash[n];
-}
-
-#if (1<<HASH_BITS)*10 < MAX_USERS
-#warning "Suggest to use bigger HASH_BITS for better searchuser() performance,"
-#warning "searchuser() average chaining MAX_USERS/(1<<HASH_BITS) times."
-#endif
-int
-dosearchuser(const char *userid, char *rightid)
-{
- int h, p, times;
- STATINC(STAT_SEARCHUSER);
- h = StringHash(userid)%(1<<HASH_BITS);
- p = SHM->hash_head[h];
-
- for (times = 0; times < MAX_USERS && p != -1 && p < MAX_USERS ; ++times) {
- if (strcasecmp(SHM->userid[p], userid) == 0) {
- if(userid[0] && rightid) strcpy(rightid, SHM->userid[p]);
- return p + 1;
- }
- p = SHM->next_in_hash[p];
- }
-
- return 0;
-}
-
-int
-searchuser(const char *userid, char *rightid)
-{
- if(userid[0]=='\0')
- return 0;
- return dosearchuser(userid, rightid);
-}
-
-int
-getuser(const char *userid, userec_t *xuser)
-{
- int uid;
-
- if ((uid = searchuser(userid, NULL))) {
- passwd_query(uid, xuser);
- xuser->money = moneyof(uid);
- }
- return uid;
-}
-
-char *
-getuserid(int num)
-{
- if (--num >= 0 && num < MAX_USERS)
- return ((char *)SHM->userid[num]);
- return NULL;
-}
-
-void
-setuserid(int num, const char *userid)
-{
- if (num > 0 && num <= MAX_USERS) {
-/* Ptt: it may cause problems
- if (num > SHM->number)
- SHM->number = num;
- else
-*/
- remove_from_uhash(num - 1);
- add_to_uhash(num - 1, userid);
- }
-}
-
-void
getnewutmpent(const userinfo_t * up)
{
/* Ptt:這裡加上 hash 觀念找空的 utmp */
@@ -243,117 +44,6 @@ apply_ulist(int (*fptr) (const userinfo_t *))
return 0;
}
-userinfo_t *
-search_ulist_pid(int pid)
-{
- register int i = 0, j, start = 0, end = SHM->UTMPnumber - 1;
- int *ulist;
- register userinfo_t *u;
- if (end == -1)
- return NULL;
- ulist = SHM->sorted[SHM->currsorted][8];
- for (i = ((start + end) / 2);; i = (start + end) / 2) {
- u = &SHM->uinfo[ulist[i]];
- j = pid - u->pid;
- if (!j) {
- return u;
- }
- if (end == start) {
- break;
- } else if (i == start) {
- i = end;
- start = end;
- } else if (j > 0)
- start = i;
- else
- end = i;
- }
- return 0;
-}
-
-userinfo_t *
-search_ulistn(int uid, int unum)
-{
- register int i = 0, j, start = 0, end = SHM->UTMPnumber - 1;
- int *ulist;
- register userinfo_t *u;
- if (end == -1)
- return NULL;
- ulist = SHM->sorted[SHM->currsorted][7];
- for (i = ((start + end) / 2);; i = (start + end) / 2) {
- u = &SHM->uinfo[ulist[i]];
- j = uid - u->uid;
- if (j == 0) {
- for (; i > 0 && uid == SHM->uinfo[ulist[i - 1]].uid; --i)
- ;/* 指到第一筆 */
- // piaip Tue Jan 8 09:28:03 CST 2008
- // many people bugged about that their utmp have invalid
- // entry on record.
- // we found them caused by crash process (DEBUGSLEEPING) which
- // may occupy utmp entries even after process was killed.
- // because the memory is invalid, it is not safe for those process
- // to wipe their utmp entry. it should be done by some external
- // daemon.
- // however, let's make a little workaround here...
- for (; unum > 0 && i >= 0 && ulist[i] >= 0 &&
- SHM->uinfo[ulist[i]].uid == uid; unum--, i++)
- {
- if (SHM->uinfo[ulist[i]].mode == DEBUGSLEEPING)
- unum ++;
- }
- if (unum == 0 && i > 0 && ulist[i-1] >= 0 &&
- SHM->uinfo[ulist[i-1]].uid == uid)
- return &SHM->uinfo[ulist[i-1]];
- /*
- if ( i + unum - 1 >= 0 &&
- (ulist[i + unum - 1] >= 0 &&
- uid == SHM->uinfo[ulist[i + unum - 1]].uid ) )
- return &SHM->uinfo[ulist[i + unum - 1]];
- */
- break; /* 超過範圍 */
- }
- if (end == start) {
- break;
- } else if (i == start) {
- i = end;
- start = end;
- } else if (j > 0)
- start = i;
- else
- end = i;
- }
- return 0;
-}
-
-userinfo_t *
-search_ulist_userid(const char *userid)
-{
- register int i = 0, j, start = 0, end = SHM->UTMPnumber - 1;
- int *ulist;
- register userinfo_t * u;
- if (end == -1)
- return NULL;
- ulist = SHM->sorted[SHM->currsorted][0];
- for (i = ((start + end) / 2);; i = (start + end) / 2) {
- u = &SHM->uinfo[ulist[i]];
- j = strcasecmp(userid, u->userid);
- if (!j) {
- return u;
- }
- if (end == start) {
- break;
- } else if (i == start) {
- i = end;
- start = end;
- } else if (j > 0)
- start = i;
- else
- end = i;
- }
- return 0;
-}
-
-#ifndef _BBS_UTIL_C_
int
count_logins(int uid, int show)
{
@@ -399,41 +89,7 @@ purge_utmp(userinfo_t * uentp)
memset(uentp, 0, sizeof(userinfo_t));
SHM->UTMPneedsort = 1;
}
-#endif
-
-/*
- * section - money cache
- */
-int
-setumoney(int uid, int money)
-{
- SHM->money[uid - 1] = money;
- passwd_update_money(uid);
- return SHM->money[uid - 1];
-}
-int
-deumoney(int uid, int money)
-{
- if (uid <= 0 || uid > MAX_USERS){
-#if defined(_BBS_UTIL_C_)
- printf("internal error: deumoney(%d, %d)\n", uid, money);
-#else
- vmsg("internal error");
-#endif
- return -1;
- }
-
- if (money < 0 && moneyof(uid) < -money)
- return setumoney(uid, 0);
- else
- return setumoney(uid, SHM->money[uid - 1] + money);
-}
-
-/*
- * section - utmp
- */
-#if !defined(_BBS_UTIL_C_) /* _BBS_UTIL_C_ 不會有 utmp */
void
setutmpmode(unsigned int mode)
{
@@ -452,171 +108,12 @@ getutmpmode(void)
return currutmp->mode;
return currstat;
}
-#endif
/*
- * section - board cache
+ * section - board
*/
-void touchbtotal(int bid) {
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- SHM->total[bid - 1] = 0;
- SHM->lastposttime[bid - 1] = 0;
-}
-
-/**
- * qsort comparison function - 照板名排序
- */
-static int
-cmpboardname(const void * i, const void * j)
-{
- return strcasecmp(bcache[*(int*)i].brdname, bcache[*(int*)j].brdname);
-}
-
-/**
- * qsort comparison function - 先照群組排序、同一個群組內依板名排
- */
-static int
-cmpboardclass(const void * i, const void * j)
-{
- boardheader_t *brd1 = &bcache[*(int*)i], *brd2 = &bcache[*(int*)j];
- int cmp;
-
- cmp=strncmp(brd1->title, brd2->title, 4);
- if(cmp!=0) return cmp;
- return strcasecmp(brd1->brdname, brd2->brdname);
-}
-
-
-void
-sort_bcache(void)
-{
- int i;
- /* critical section 盡量不要呼叫 */
- /* 只有新增 或移除看板 需要呼叫到 */
- if(SHM->Bbusystate) {
- sleep(1);
- return;
- }
- SHM->Bbusystate = 1;
- for (i = 0; i < SHM->Bnumber; i++) {
- SHM->bsorted[0][i] = SHM->bsorted[1][i] = i;
- }
- qsort(SHM->bsorted[0], SHM->Bnumber, sizeof(int), cmpboardname);
- qsort(SHM->bsorted[1], SHM->Bnumber, sizeof(int), cmpboardclass);
-
- for (i = 0; i < SHM->Bnumber; i++) {
- bcache[i].firstchild[0] = 0;
- bcache[i].firstchild[1] = 0;
- }
- SHM->Bbusystate = 0;
-}
-
-#ifdef _BBS_UTIL_C_
-void
-reload_bcache(void)
-{
- int i, fd;
- pid_t pid;
- for( i = 0 ; i < 10 && SHM->Bbusystate ; ++i ){
- printf("SHM->Bbusystate is currently locked (value: %d). "
- "please wait... ", SHM->Bbusystate);
- sleep(1);
- }
-
- SHM->Bbusystate = 1;
- if ((fd = open(fn_board, O_RDONLY)) > 0) {
- SHM->Bnumber =
- read(fd, bcache, MAX_BOARD * sizeof(boardheader_t)) /
- sizeof(boardheader_t);
- close(fd);
- }
- memset(SHM->lastposttime, 0, MAX_BOARD * sizeof(time4_t));
- memset(SHM->total, 0, MAX_BOARD * sizeof(int));
-
- /* 等所有 boards 資料更新後再設定 uptime */
- SHM->Buptime = SHM->Btouchtime;
- log_usies("CACHE", "reload bcache");
- SHM->Bbusystate = 0;
- sort_bcache();
-
- printf("load bottom in background");
- if( (pid = fork()) > 0 )
- return;
- setproctitle("loading bottom");
- for( i = 0 ; i < MAX_BOARD ; ++i )
- if( SHM->bcache[i].brdname[0] ){
- char fn[128];
- int n;
- sprintf(fn, "boards/%c/%s/" FN_DIR ".bottom",
- SHM->bcache[i].brdname[0],
- SHM->bcache[i].brdname);
- n = get_num_records(fn, sizeof(fileheader_t));
- if( n > 5 )
- n = 5;
- SHM->n_bottom[i] = n;
- }
- printf("load bottom done");
- if( pid == 0 )
- exit(0);
- // if pid == -1 should be returned
-}
-
-void resolve_boards(void)
-{
- while (SHM->Buptime < SHM->Btouchtime) {
- reload_bcache();
- }
- numboards = SHM->Bnumber;
-}
-#endif /* defined(_BBS_UTIL_C_)*/
-
-#if 0
-/* Unused */
-void touch_boards(void)
-{
- SHM->Btouchtime = COMMON_TIME;
- numboards = -1;
- resolve_boards();
-}
-#endif
-
-void addbrd_touchcache(void)
-{
- SHM->Bnumber++;
- numboards = SHM->Bnumber;
- reset_board(numboards);
- sort_bcache();
-}
-
-void
-reset_board(int bid) /* XXXbid: from 1 */
-{ /* Ptt: 這樣就不用老是touch board了 */
- int fd;
- boardheader_t *bhdr;
-
- if (--bid < 0)
- return;
- assert(0<=bid && bid<MAX_BOARD);
- if (SHM->Bbusystate || COMMON_TIME - SHM->busystate_b[bid] < 10) {
- safe_sleep(1);
- } else {
- SHM->busystate_b[bid] = COMMON_TIME;
-
- bhdr = bcache;
- bhdr += bid;
- if ((fd = open(fn_board, O_RDONLY)) > 0) {
- lseek(fd, (off_t) (bid * sizeof(boardheader_t)), SEEK_SET);
- read(fd, bhdr, sizeof(boardheader_t));
- close(fd);
- }
- SHM->busystate_b[bid] = 0;
-
- buildBMcache(bid + 1); /* XXXbid */
- }
-}
-
-#ifndef _BBS_UTIL_C_ /* because of HasBoardPerm() in board.c */
+/* HasBoardPerm() in board.c... */
int
apply_boards(int (*func) (boardheader_t *))
{
@@ -630,89 +127,34 @@ apply_boards(int (*func) (boardheader_t *))
}
return 0;
}
-#endif
-
-void
-setbottomtotal(int bid)
-{
- boardheader_t *bh = getbcache(bid);
- char fname[PATHLEN];
- int n;
-
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- if(!bh->brdname[0]) return;
- setbfile(fname, bh->brdname, FN_DIR ".bottom");
- n = get_num_records(fname, sizeof(fileheader_t));
- if(n>5)
- {
-#ifdef DEBUG_BOTTOM
- log_file("fix_bottom", LOG_CREAT | LOG_VF, "%s n:%d\n", fname, n);
-#endif
- unlink(fname);
- SHM->n_bottom[bid-1]=0;
- }
- else
- SHM->n_bottom[bid-1]=n;
-}
-void
-setbtotal(int bid)
-{
- boardheader_t *bh = getbcache(bid);
- struct stat st;
- char genbuf[PATHLEN];
- int num, fd;
-
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- setbfile(genbuf, bh->brdname, FN_DIR);
- if ((fd = open(genbuf, O_RDWR)) < 0)
- return; /* .DIR掛了 */
- fstat(fd, &st);
- num = st.st_size / sizeof(fileheader_t);
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- SHM->total[bid - 1] = num;
- if (num > 0) {
- lseek(fd, (off_t) (num - 1) * sizeof(fileheader_t), SEEK_SET);
- if (read(fd, genbuf, FNLEN) >= 0) {
- SHM->lastposttime[bid - 1] = (time4_t) atoi(&genbuf[2]);
- }
- } else
- SHM->lastposttime[bid - 1] = 0;
- close(fd);
-}
-
-void
-touchbpostnum(int bid, int delta)
+int is_BM_cache(int bid) /* bid starts from 1 */
{
- int *total = &SHM->total[bid - 1];
assert(0<=bid-1 && bid-1<MAX_BOARD);
- if (*total)
- *total += delta;
-}
-
-int
-getbnum(const char *bname)
-{
- register int i = 0, j, start = 0, end = SHM->Bnumber - 1;
- int *blist = SHM->bsorted[0];
- if(SHM->Bbusystate)
- sleep(1);
- for (i = ((start + end) / 2);; i = (start + end) / 2) {
- if (!(j = strcasecmp(bname, bcache[blist[i]].brdname)))
- return (int)(blist[i] + 1);
- if (end == start) {
- break;
- } else if (i == start) {
- i = end;
- start = end;
- } else if (j > 0)
- start = i;
- else
- end = i;
+ int *pbm = SHM->BMcache[bid-1];
+ // XXX potential issue: (thanks for mtdas@ptt)
+ // buildBMcache use -1 as "none".
+ // some function may call is_BM_cache early
+ // without having currutmp->uid (maybe?)
+ // and may get BM permission accidentally.
+ // quick check
+ if (!HasUserPerm(PERM_BASIC) || !currutmp->uid || currutmp->uid == -1)
+ return 0;
+ // XXX hard coded MAX_BMs=4
+ if( currutmp->uid == pbm[0] ||
+ currutmp->uid == pbm[1] ||
+ currutmp->uid == pbm[2] ||
+ currutmp->uid == pbm[3] )
+ {
+ // auto enable BM permission
+ if (!HasUserPerm(PERM_BM))
+ cuser.userlevel |= PERM_BM;
+ return 1;
}
return 0;
}
+// TODO move this to board.c
const char *
postperm_msg(const char *bname)
{
@@ -765,393 +207,10 @@ postperm_msg(const char *bname)
return NULL;
}
+// TODO move this to board.c
int
haspostperm(const char *bname)
{
return postperm_msg(bname) == NULL ? 1 : 0;
}
-void buildBMcache(int bid) /* bid starts from 1 */
-{
- char s[IDLEN * 3 + 3], *ptr;
- int i, uid;
- char *strtok_pos;
-
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- strlcpy(s, getbcache(bid)->BM, sizeof(s));
- for( i = 0 ; s[i] != 0 ; ++i )
- if( !isalpha((int)s[i]) && !isdigit((int)s[i]) )
- s[i] = ' ';
-
- for( ptr = strtok_r(s, " ", &strtok_pos), i = 0 ;
- i < MAX_BMs && ptr != NULL ;
- ptr = strtok_r(NULL, " ", &strtok_pos), ++i )
- if( (uid = searchuser(ptr, NULL)) != 0 )
- SHM->BMcache[bid-1][i] = uid;
- for( ; i < MAX_BMs ; ++i )
- SHM->BMcache[bid-1][i] = -1;
-}
-
-int is_BM_cache(int bid) /* bid starts from 1 */
-{
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- int *pbm = SHM->BMcache[bid-1];
- // XXX potential issue: (thanks for mtdas@ptt)
- // buildBMcache use -1 as "none".
- // some function may call is_BM_cache early
- // without having currutmp->uid (maybe?)
- // and may get BM permission accidentally.
- // quick check
- if (!HasUserPerm(PERM_BASIC) || !currutmp->uid || currutmp->uid == -1)
- return 0;
- // XXX hard coded MAX_BMs=4
- if( currutmp->uid == pbm[0] ||
- currutmp->uid == pbm[1] ||
- currutmp->uid == pbm[2] ||
- currutmp->uid == pbm[3] )
- {
- // auto enable BM permission
- if (!HasUserPerm(PERM_BM))
- cuser.userlevel |= PERM_BM;
- return 1;
- }
- return 0;
-}
-
-/*-------------------------------------------------------*/
-/* PTT cache */
-/*-------------------------------------------------------*/
-int
-filter_aggressive(const char*s)
-{
- if (
- /*
- strstr(s, "此處放較不適當的爭議性字句") != NULL ||
- */
- 0
- )
- return 1;
- return 0;
-}
-
-int
-filter_dirtywords(const char*s)
-{
- if (
- strstr(s, "幹你娘") != NULL ||
- 0)
- return 1;
- return 0;
-}
-
-#define AGGRESSIVE_FN ".aggressive"
-static char drop_aggressive = 0;
-
-void
-load_aggressive_state()
-{
- if (dashf(AGGRESSIVE_FN))
- drop_aggressive = 1;
- else
- drop_aggressive = 0;
-}
-
-void
-set_aggressive_state(int s)
-{
- FILE *fp = NULL;
- if (s)
- {
- fp = fopen(AGGRESSIVE_FN, "wb");
- fclose(fp);
- } else {
- remove(AGGRESSIVE_FN);
- }
-}
-
-/* cache for 動態看板 */
-void
-reload_pttcache(void)
-{
- if (SHM->Pbusystate)
- safe_sleep(1);
- else { /* jochang: temporary workaround */
- fileheader_t item, subitem;
- char pbuf[256], buf[256], *chr;
- FILE *fp, *fp1, *fp2;
- int id, aggid, rawid;
-
- SHM->Pbusystate = 1;
- SHM->last_film = 0;
- bzero(SHM->notes, sizeof(SHM->notes));
- setapath(pbuf, BN_NOTE);
- setadir(buf, pbuf);
-
- load_aggressive_state();
- id = aggid = rawid = 0; // effective count, aggressive count, total (raw) count
-
- if ((fp = fopen(buf, "r"))) {
- // .DIR loop
- while (fread(&item, sizeof(item), 1, fp)) {
-
- int chkagg = 0; // should we check aggressive?
-
- if (item.title[3] != '<' || item.title[8] != '>')
- continue;
-
-#ifdef BN_NOTE_AGGCHKDIR
- // TODO aggressive: only count '<點歌>' section
- if (strcmp(item.title+3, BN_NOTE_AGGCHKDIR) == 0)
- chkagg = 1;
-#endif
-
- snprintf(buf, sizeof(buf), "%s/%s/" FN_DIR,
- pbuf, item.filename);
-
- if (!(fp1 = fopen(buf, "r")))
- continue;
-
- // file loop
- while (fread(&subitem, sizeof(subitem), 1, fp1)) {
-
- snprintf(buf, sizeof(buf),
- "%s/%s/%s", pbuf, item.filename,
- subitem.filename);
-
- if (!(fp2 = fopen(buf, "r")))
- continue;
-
- fread(SHM->notes[id], sizeof(char), sizeof(SHM->notes[0]), fp2);
- SHM->notes[id][sizeof(SHM->notes[0]) - 1] = 0;
- rawid ++;
-
- // filtering
- if (filter_dirtywords(SHM->notes[id]))
- {
- memset(SHM->notes[id], 0, sizeof(SHM->notes[0]));
- rawid --;
- }
- else if (chkagg && filter_aggressive(SHM->notes[id]))
- {
- aggid++;
- // handle aggressive notes by last detemined state
- if (drop_aggressive)
- memset(SHM->notes[id], 0, sizeof(SHM->notes[0]));
- else
- id++;
-#ifdef _BBS_UTIL_C_
- // Debug purpose
- // printf("found aggressive: %s\n", buf);
-#endif
- }
- else
- {
- id++;
- }
-
- fclose(fp2);
- if (id >= MAX_MOVIE)
- break;
-
- } // end of file loop
- fclose(fp1);
-
- if (id >= MAX_MOVIE)
- break;
- } // end of .DIR loop
- fclose(fp);
-
- // decide next aggressive state
- if (rawid && aggid*3 >= rawid) // if aggressive exceed 1/3
- set_aggressive_state(1);
- else
- set_aggressive_state(0);
-
-#ifdef _BBS_UTIL_C_
- printf("id(%d)/agg(%d)/raw(%d)\n",
- id, aggid, rawid);
-#endif
- }
- SHM->last_film = id - 1;
-
- fp = fopen("etc/today_is", "r");
- if (fp) {
- fgets(SHM->today_is, 15, fp);
- if ((chr = strchr(SHM->today_is, '\n')))
- *chr = 0;
- SHM->today_is[15] = 0;
- fclose(fp);
- }
- /* 等所有資料更新後再設定 uptime */
-
- SHM->Puptime = SHM->Ptouchtime;
- log_usies("CACHE", "reload pttcache");
- SHM->Pbusystate = 0;
- }
-}
-
-void
-resolve_garbage(void)
-{
- int count = 0;
-
- while (SHM->Puptime < SHM->Ptouchtime) { /* 不用while等 */
- reload_pttcache();
- if (count++ > 10 && SHM->Pbusystate) {
- /*
- * Ptt: 這邊會有問題 load超過10 秒會所有進loop的process tate = 0
- * 這樣會所有prcosee都會在load 動態看板 會造成load大增
- * 但沒有用這個function的話 萬一load passwd檔的process死了
- * 又沒有人把他 解開 同樣的問題發生在reload passwd
- */
- SHM->Pbusystate = 0;
-#ifndef _BBS_UTIL_C_
- log_usies("CACHE", "refork Ptt dead lock");
-#endif
- }
- }
-}
-
-/*-------------------------------------------------------*/
-/* PTT's cache */
-/*-------------------------------------------------------*/
-/* cache for from host 與最多上線人數 */
-void
-reload_fcache(void)
-{
- if (SHM->Fbusystate)
- safe_sleep(1);
- else {
- FILE *fp;
-
- SHM->Fbusystate = 1;
- bzero(SHM->home_ip, sizeof(SHM->home_ip));
- if ((fp = fopen("etc/domain_name_query.cidr", "r"))) {
- char buf[256], *ip, *mask;
- char *strtok_pos;
-
- SHM->home_num = 0;
- while (fgets(buf, sizeof(buf), fp)) {
- if (!buf[0] || buf[0] == '#' || buf[0] == ' ' || buf[0] == '\n')
- continue;
-
- if (buf[0] == '@') {
- SHM->home_ip[0] = 0;
- SHM->home_mask[0] = 0xFFFFFFFF;
- SHM->home_num++;
- continue;
- }
-
- ip = strtok_r(buf, " \t", &strtok_pos);
- if ((mask = strchr(ip, '/')) != NULL) {
- int shift = 32 - atoi(mask + 1);
- SHM->home_ip[SHM->home_num] = ipstr2int(ip);
- SHM->home_mask[SHM->home_num] = (0xFFFFFFFF >> shift ) << shift;
- }
- else {
- SHM->home_ip[SHM->home_num] = ipstr2int(ip);
- SHM->home_mask[SHM->home_num] = 0xFFFFFFFF;
- }
- ip = strtok_r(NULL, " \t", &strtok_pos);
- if (ip == NULL) {
- strcpy(SHM->home_desc[SHM->home_num], "雲深不知處");
- }
- else {
- strlcpy(SHM->home_desc[SHM->home_num], ip,
- sizeof(SHM->home_desc[SHM->home_num]));
- chomp(SHM->home_desc[SHM->home_num]);
- }
- (SHM->home_num)++;
- if (SHM->home_num == MAX_FROM)
- break;
- }
- fclose(fp);
- }
- SHM->max_user = 0;
-
- /* 等所有資料更新後再設定 uptime */
- SHM->Fuptime = SHM->Ftouchtime;
-#if !defined(_BBS_UTIL_C_)
- log_usies("CACHE", "reload fcache");
-#endif
- SHM->Fbusystate = 0;
- }
-}
-
-void
-resolve_fcache(void)
-{
- while (SHM->Fuptime < SHM->Ftouchtime)
- reload_fcache();
-}
-
-/*
- * section - hbfl (hidden board friend list)
- */
-void
-hbflreload(int bid)
-{
- int hbfl[MAX_FRIEND + 1], i, num, uid;
- char buf[128];
- FILE *fp;
-
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- memset(hbfl, 0, sizeof(hbfl));
- setbfile(buf, bcache[bid - 1].brdname, fn_visable);
- if ((fp = fopen(buf, "r")) != NULL) {
- for (num = 1; num <= MAX_FRIEND; ++num) {
- if (fgets(buf, sizeof(buf), fp) == NULL)
- break;
- for (i = 0; buf[i] != 0; ++i)
- if (buf[i] == ' ') {
- buf[i] = 0;
- break;
- }
- if (strcasecmp(STR_GUEST, buf) == 0 ||
- (uid = searchuser(buf, NULL)) == 0) {
- --num;
- continue;
- }
- hbfl[num] = uid;
- }
- fclose(fp);
- }
- hbfl[0] = COMMON_TIME;
- memcpy(SHM->hbfl[bid-1], hbfl, sizeof(hbfl));
-}
-
-/* 是否通過板友測試. 如果在板友名單中的話傳回 1, 否則為 0 */
-int
-is_hidden_board_friend(int bid, int uid)
-{
- int i;
-
- assert(0<=bid-1 && bid-1<MAX_BOARD);
- if (SHM->hbfl[bid-1][0] < login_start_time - HBFLexpire)
- hbflreload(bid);
- for (i = 1; SHM->hbfl[bid-1][i] != 0 && i <= MAX_FRIEND; ++i) {
- if (SHM->hbfl[bid-1][i] == uid)
- return 1;
- }
- return 0;
-}
-
-#ifdef USE_COOLDOWN
-void add_cooldowntime(int uid, int min)
-{
- // Ptt: I will use the number below 15 seconds.
- time4_t base= now > SHM->cooldowntime[uid - 1]?
- now : SHM->cooldowntime[uid - 1];
- base += min*60;
- base &= 0xFFFFFFF0;
-
- SHM->cooldowntime[uid - 1] = base;
-}
-void add_posttimes(int uid, int times)
-{
- if((SHM->cooldowntime[uid - 1] & 0xF) + times <0xF)
- SHM->cooldowntime[uid - 1] += times;
- else
- SHM->cooldowntime[uid - 1] |= 0xF;
-}
-#endif