int
csclient(Cs_t* cs, int fd, const char* service, const char* prompt, char** argv, unsigned int flags)
{
register int i;
char* s;
Sfio_t* tmp;
int done;
int promptlen;
int timeout;
ssize_t n;
int sdf[2];
Cspoll_t fds[2];
char buf[8 * 1024];
if (fd < 0 && (fd = csopen(cs, service, CS_OPEN_TEST)) < 0)
{
if (errno == ENOENT)
error(3, "%s: server not running", service);
else
error(ERROR_SYSTEM|3, "%s: cannot open connect stream", service);
}
#if _hdr_termios
if (flags & CS_CLIENT_RAW)
{
tcgetattr(0, &state.old_term);
atexit(restore);
state.new_term = state.old_term;
state.new_term.c_iflag &= ~(BRKINT|IGNPAR|PARMRK|INLCR|IGNCR|ICRNL);
state.new_term.c_lflag &= ~(ECHO|ECHOK|ICANON|ISIG);
state.new_term.c_cc[VTIME] = 0;
state.new_term.c_cc[VMIN] = 1;
tcsetattr(0, TCSANOW, &state.new_term);
}
#endif
sdf[0] = fd;
sdf[1] = 1;
if (argv && *argv)
{
fds[0].fd = 1;
fds[0].events = CS_POLL_WRITE;
}
else
{
argv = 0;
fds[0].fd = 0;
fds[0].events = CS_POLL_READ;
}
fds[1].fd = fd;
fds[1].events = CS_POLL_READ;
done = 0;
if (promptlen = (!argv && prompt && isatty(fds[0].fd) && isatty(1)) ? strlen(prompt) : 0)
write(1, prompt, promptlen);
timeout = CS_NEVER;
tmp = 0;
while (cspoll(cs, fds, elementsof(fds), timeout) > 0)
for (i = 0; i < elementsof(fds); i++)
if (fds[i].status & (CS_POLL_READ|CS_POLL_WRITE))
{
if (!i && argv)
{
if (!*argv)
{
argv = 0;
fds[0].fd = 0;
if (flags & CS_CLIENT_ARGV)
{
if (done++)
return 0;
timeout = 500;
}
fds[0].events = CS_POLL_READ;
continue;
}
if (!tmp && !(tmp = sfstropen()))
error(ERROR_SYSTEM|3, "out of space");
for (;;)
{
s = *argv++;
if ((flags & CS_CLIENT_SEP) && *s == ':' && !*(s + 1))
break;
if (sfstrtell(tmp))
sfputc(tmp, ' ');
sfprintf(tmp, "%s", s);
if (!(flags & CS_CLIENT_SEP) || !*argv)
break;
}
sfputc(tmp, '\n');
n = sfstrtell(tmp);
s = sfstruse(tmp);
}
else if ((n = read(fds[i].fd, s = buf, sizeof(buf) - 1)) < 0)
error(ERROR_SYSTEM|3, "/dev/fd/%d: read error", fds[i].fd);
if (!n)
{
if (done++)
return 0;
if (!i)
write(sdf[i], "quit\n", 5);
continue;
}
if (!i)
{
#if _hdr_termios
register char* u;
register int m;
s[n] = 0;
if ((u = strchr(s, 035)))
{
if ((m = u - s) > 0 && write(sdf[i], s, m) != m)
error(ERROR_SYSTEM|3, "/dev/fd/%d: write error", sdf[i]);
tcsetattr(0, TCSANOW, &state.old_term);
if (promptlen)
write(1, prompt, promptlen);
if ((n = read(fds[i].fd, s = buf, sizeof(buf) - 1)) <= 0)
{
write(1, "\n", 1);
return 0;
}
buf[n - 1] = 0;
if (*u == 'q' || *u == 'Q')
return 0;
tcsetattr(0, TCSANOW, &state.new_term);
if (*u)
error(1, "%s: unknown command", u);
continue;
}
#endif
}
if (write(sdf[i], s, n) != n)
error(ERROR_SYSTEM|3, "/dev/fd/%d: write error", sdf[i]);
if (sdf[i] == 1 && promptlen)
write(1, prompt, promptlen);
}
return error_info.errors != 0;
}
int
_cs_poll(Cspoll_t* fds, int num, int ms)
{
return cspoll(&cs, fds, num, ms);
}
