func (t *txn) set() {
trace := t.instrumentVerb()
if !t.c.waccess {
t.respondOsError(syscall.EACCES)
trace("eacces")
return
}
if !t.c.canWrite {
t.respondErrCode(Response_READONLY)
trace("ereadonly")
return
}
if t.req.Path == nil || t.req.Rev == nil {
t.respondErrCode(Response_MISSING_ARG)
trace("emissingarg")
return
}
go func() {
ev := consensus.Set(t.c.p, *t.req.Path, t.req.Value, *t.req.Rev)
if ev.Err != nil {
t.respondOsError(ev.Err)
trace("eunknown")
return
}
t.resp.Rev = &ev.Seqn
t.respond()
trace("success")
}()
}
func clearSlot(p consensus.Proposer, g store.Getter, name string) {
store.Walk(g, calGlob, func(path, body string, rev int64) bool {
if body == name {
consensus.Set(p, path, nil, rev)
}
return false
})
}
func Pulse(node string, seqns <-chan int64, p consensus.Proposer, sleep int64) {
path := "/ctl/node/" + node + "/applied"
for {
seqn, ok := <-seqns
if !ok {
break
}
e := consensus.Set(p, path, []byte(strconv.FormatInt(seqn, 10)), store.Clobber)
if e.Err != nil {
log.Println(e.Err)
}
time.Sleep(time.Duration(sleep))
}
}