func (clnt *Clnt) Rpcnb(r *Req) error {
var tag uint16
if r.Tc.Type == ninep.Tversion {
tag = ninep.NOTAG
} else {
tag = r.tag
}
ninep.SetTag(r.Tc, tag)
clnt.Lock()
if clnt.err != nil {
clnt.Unlock()
return clnt.err
}
if clnt.reqlast != nil {
clnt.reqlast.next = r
} else {
clnt.reqfirst = r
}
r.prev = clnt.reqlast
clnt.reqlast = r
clnt.Unlock()
clnt.reqout <- r
return nil
}
func (conn *Conn) send() {
for {
select {
case <-conn.done:
return
case req := <-conn.Reqout:
ninep.SetTag(req.Rc, req.Tc.Tag)
conn.Lock()
conn.rsz += uint64(req.Rc.Size)
conn.npend--
conn.Unlock()
if conn.Debuglevel > 0 {
conn.logFcall(req.Rc)
if conn.Debuglevel&DbgPrintPackets != 0 {
log.Println("<-<", conn.Id, fmt.Sprint(req.Rc.Pkt))
}
if conn.Debuglevel&DbgPrintFcalls != 0 {
log.Println("<<<", conn.Id, req.Rc.String())
}
}
for buf := req.Rc.Pkt; len(buf) > 0; {
n, err := conn.conn.Write(buf)
if err != nil {
/* just close the socket, will get signal on conn.done */
log.Println("error while writing")
conn.conn.Close()
break
}
buf = buf[n:]
}
select {
case conn.rchan <- req.Rc:
break
default:
}
}
}
}