static coroutine_fn int ssh_co_readv(BlockDriverState *bs,
int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov)
{
BDRVSSHState *s = bs->opaque;
int ret;
qemu_co_mutex_lock(&s->lock);
ret = ssh_read(s, bs, sector_num * BDRV_SECTOR_SIZE,
nb_sectors * BDRV_SECTOR_SIZE, qiov);
qemu_co_mutex_unlock(&s->lock);
return ret;
}
int raw_read(int fd, char *buf, int len)
{
#ifdef SSHBBS
return ssh_read(fd, buf, len);
#else
int i,j,retlen=0;
retlen = read(fd,buf,len);
for (i=0; i<retlen; i++) {
if (i>0&&((unsigned char)buf[i-1]==0xff)&&((unsigned char)buf[i]==0xff)) {
retlen--;
for (j=i; j<retlen; j++)
buf[j]=buf[j+1];
continue;
}
if (i>0&&buf[i-1]==0x0d&&buf[i]==0x00) {
retlen--;
for (j=i; j<retlen; j++)
buf[j]=buf[j+1];
continue;
}
}
return retlen;
#endif
}
int igetch()
{
time_t now;
char c;
int hasaddio = 1;
extern int RMSG;
if ((uinfo.mode == CHAT1 || uinfo.mode == TALK || uinfo.mode == PAGE) && RMSG == true)
hasaddio = 0;
igetagain:
if (ibufsize == icurrchar) {
fd_set readfds, xds;
struct timeval to;
int sr, hifd;
to.tv_sec = 0;
to.tv_usec = 0;
hifd = 1;
FD_ZERO(&readfds);
FD_SET(0, &readfds);
if ((hasaddio && (i_newfd))&&(!inremsg)) {
FD_SET(i_newfd, &readfds);
if (hifd <= i_newfd)
hifd = i_newfd + 1;
}
//TODO: igetkey重入问题
if ((uinfo.mode != POSTING && uinfo.mode != SMAIL && uinfo.mode != EDIT) || DEFINE(getCurrentUser(), DEF_LOGININFORM))
if (scrint&&!inremsg) {
while (msg_count) {
inremsg = true;
msg_count--;
r_msg();
refresh();
inremsg = false;
}
}
if (kicked) return KEY_TIMEOUT;
#ifdef SSHBBS
sr = ssh_select(hifd, &readfds, NULL, NULL, &to);
#else
sr = select(hifd, &readfds, NULL, NULL, &to);
#endif
if (sr < 0 && errno == EINTR) {
if (talkrequest)
return KEY_TALK;
if ((uinfo.mode != POSTING && uinfo.mode != SMAIL && uinfo.mode != EDIT) || DEFINE(getCurrentUser(), DEF_LOGININFORM))
if (scrint&&!inremsg) {
while (msg_count) {
inremsg = true;
msg_count--;
r_msg();
inremsg = false;
}
goto igetagain;
}
}
if (sr < 0 && errno != EINTR)
abort_bbs(0);
if (sr == 0) {
refresh();
if (flushf)
(*flushf)();
while (1) {
int alarm_timeout;
hifd = 1;
FD_ZERO(&xds);
FD_SET(0, &xds);
FD_ZERO(&readfds);
FD_SET(0, &readfds);
if ((hasaddio && (i_newfd))&&(!inremsg)) {
FD_SET(i_newfd, &readfds);
if (hifd <= i_newfd)
hifd = i_newfd + 1;
}
alarm_timeout = 0;
if (i_top)
to = *i_top;
else {
while ((i_timeout != 0)||(i_timeoutusec!=0)) {
to.tv_sec = i_timeout - (time(0) - i_begintimeout);
to.tv_usec = i_timeoutusec;
if ((to.tv_sec < 0) ||((to.tv_sec==0)&&(i_timeoutusec==0))) {
i_timeout = 0;
i_timeoutusec=0;
if (i_timeout_func)
(*i_timeout_func)(timeout_data);
else
return KEY_TIMEOUT;
if (kicked) return KEY_TIMEOUT;
continue;
};
alarm_timeout = 1;
break;
};
if (!alarm_timeout)
to.tv_sec = IDLE_TIMEOUT;
}
#ifdef SSHBBS
sr = ssh_select(hifd, &readfds, NULL, &xds, &to);
#else
sr = select(hifd, &readfds, NULL, &xds, &to);
#endif
if (sr < 0 && errno == EINTR) {
if (talkrequest)
return KEY_TALK;
}
if (kicked) return KEY_TIMEOUT;
if ((uinfo.mode != POSTING && uinfo.mode != SMAIL && uinfo.mode != EDIT) || DEFINE(getCurrentUser(), DEF_LOGININFORM))
if (!inremsg) {
int saveerrno=errno;
while (msg_count) {
inremsg = true;
msg_count--;
r_msg();
refresh();
inremsg = false;
}
if (sr<0&&saveerrno==EINTR)continue;
}
if (sr == 0 && alarm_timeout) {
i_timeout = 0;
i_timeoutusec=0;
if (i_timeout_func)
(*i_timeout_func)(timeout_data);
else
return KEY_TIMEOUT;
continue;
}
if (sr >= 0)
break;
if (errno == EINTR)
continue;
else
abort_bbs(0);
}
if ((sr == 0) && (!i_top))
abort_bbs(0);
if (sr == 0)
return I_TIMEOUT;
if (FD_ISSET(0, &xds))
abort_bbs(0);
}
if (hasaddio && (i_newfd && FD_ISSET(i_newfd, &readfds)))
return I_OTHERDATA;
#ifdef SSHBBS
while ((ibufsize = ssh_read(0, inbuffer + 1, IBUFSIZE)) <= 0)
#else
while ((ibufsize = read(0, inbuffer + 1, IBUFSIZE)) <= 0)
#endif
{
if (ibufsize == 0)
longjmp(byebye, -1);
if (ibufsize < 0 && errno != EINTR)
longjmp(byebye, -1);
}
if (!filter_telnet(inbuffer + 1, &ibufsize)) {
icurrchar = 0;
ibufsize = 0;
goto igetagain;
}
/*
* add by KCN for GB/BIG5 encode
*/
if (convcode) {
inbuf = big2gb(inbuffer + 1, &ibufsize, 0, getSession());
if (ibufsize == 0) {
icurrchar = 0;
goto igetagain;
}
} else
inbuf = inbuffer + 1;
/*
* end
*/
icurrchar = 0;
if (ibufsize > IBUFSIZE) {
ibufsize = 0;
goto igetagain;
}
}
if (icurrchar >= ibufsize) {
ibufsize = icurrchar;
goto igetagain;
}
if (((inbuf[icurrchar] == '\n') && (lastch == '\r'))
|| ((inbuf[icurrchar] == '\r') && (lastch == '\n'))) {
lastch = 0;
goto igetagain;
}
else if (icurrchar != ibufsize) {
if (((inbuf[icurrchar] == '\n') && (inbuf[icurrchar + 1] == '\r'))
|| ((inbuf[icurrchar] == '\r') && (inbuf[icurrchar + 1] == '\n'))) {
icurrchar++;
lastch = 0;
}
} else
lastch = inbuf[icurrchar];
idle_count = 0;
c = inbuf[icurrchar];
switch (c) {
case Ctrl('@'):
case Ctrl('L'):
redoscr();
icurrchar++;
now = time(0);
uinfo.freshtime = now;
if (now - old > 60) {
UPDATE_UTMP(freshtime, uinfo);
old = now;
}
goto igetagain;
case Ctrl('Z'):
if (scrint&&uinfo.mode!=LOCKSCREEN&&uinfo.mode!=NEW&&uinfo.mode!=LOGIN&&uinfo.mode!=BBSNET &&uinfo.mode!=WINMINE&&!inremsg) {
icurrchar++;
inremsg = true;
r_msg();
inremsg = false;
goto igetagain;
}
break;
default:
break;
}
icurrchar++;
while ((icurrchar != ibufsize) && (inbuf[icurrchar] == 0))
icurrchar++;
now = time(0);
if (Ctrl('T') != c)
uinfo.freshtime = now;
/*
* add by KCN , decrease temp_numposts
*/
if (lasttime + 60 * 60 * 8 < now) {
lasttime = now;
if (temp_numposts > 0)
temp_numposts--;
}
if (now - old > 60) {
UPDATE_UTMP(freshtime, uinfo);
old = now;
}
return c;
}
