int
ncp_sock_send(struct socket *so, struct mbuf *top, struct ncp_rq *rqp)
{
struct thread *td = curthread; /* XXX */
struct sockaddr *to = NULL;
struct ncp_conn *conn = rqp->conn;
struct mbuf *m;
int error, flags=0;
int sendwait;
for(;;) {
m = m_copym(top, 0, M_COPYALL, MB_WAIT);
/* NCPDDEBUG(m);*/
error = so_pru_sosend(so, to, NULL, m, NULL, flags, td);
if (error == 0 || error == EINTR || error == ENETDOWN)
break;
if (rqp->rexmit == 0) break;
rqp->rexmit--;
tsleep(&sendwait, 0, "ncprsn", conn->li.timeout * hz);
error = ncp_chkintr(conn, td);
if (error == EINTR) break;
}
if (error) {
log(LOG_INFO, "ncp_send: error %d for server %s", error, conn->li.server);
}
return error;
}
static void
ncp_watchdog(struct ncp_conn *conn) {
char *buf;
int error, len, flags;
struct socket *so;
struct sockaddr *sa;
struct sockbuf sio;
sa = NULL;
while (conn->wdg_so) { /* not a loop */
so = conn->wdg_so;
sbinit(&sio, 1000000);
flags = MSG_DONTWAIT;
error = so_pru_soreceive(so, (struct sockaddr**)&sa,
NULL, &sio, NULL, &flags);
if (error)
break;
len = sio.sb_cc;
NCPSDEBUG("got watch dog %d\n",len);
if (len != 2) {
m_freem(sio.sb_mb);
break;
}
buf = mtod(sio.sb_mb, char *);
if (buf[1] != '?') {
m_freem(sio.sb_mb);
break;
}
buf[1] = 'Y';
error = so_pru_sosend(so, sa, NULL, sio.sb_mb, NULL, 0, curthread);
NCPSDEBUG("send watch dog %d\n",error);
break;
}
if (sa)
kfree(sa, M_SONAME);
return;
}
/*
* MPSAFE
*/
int
soo_write(struct file *fp, struct uio *uio, struct ucred *cred, int fflags)
{
struct socket *so;
int error;
int msgflags;
so = (struct socket *)fp->f_data;
if (fflags & O_FBLOCKING)
msgflags = 0;
else if (fflags & O_FNONBLOCKING)
msgflags = MSG_FNONBLOCKING;
else if (fp->f_flag & FNONBLOCK)
msgflags = MSG_FNONBLOCKING;
else
msgflags = 0;
error = so_pru_sosend(so, NULL, uio, NULL, NULL, msgflags, uio->uio_td);
if (error == EPIPE && !(fflags & MSG_NOSIGNAL) &&
!(so->so_options & SO_NOSIGPIPE))
lwpsignal(uio->uio_td->td_proc, uio->uio_td->td_lwp, SIGPIPE);
return (error);
}
