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 (t *txn) walk() {
trace := t.instrumentVerb()
if !t.c.raccess {
t.respondOsError(syscall.EACCES)
trace("eacces")
return
}
if t.req.Path == nil || t.req.Offset == nil {
t.respondErrCode(Response_MISSING_ARG)
trace("emissingarg")
return
}
glob, err := store.CompileGlob(*t.req.Path)
if err != nil {
t.respondOsError(err)
trace("eunknown")
return
}
offset := *t.req.Offset
if offset < 0 {
t.respondErrCode(Response_RANGE)
trace("erange")
return
}
go func() {
g, err := t.getter()
if err != nil {
t.respondOsError(err)
trace("eunknown")
return
}
f := func(path, body string, rev int64) (stop bool) {
if offset == 0 {
t.resp.Path = &path
t.resp.Value = []byte(body)
t.resp.Rev = &rev
t.resp.Flags = proto.Int32(set)
t.respond()
trace("success")
return true
}
offset--
return false
}
if !store.Walk(g, glob, f) {
t.respondErrCode(Response_RANGE)
trace("erange")
}
}()
}
func removeInfo(p consensus.Proposer, g store.Getter, name string) {
glob, err := store.CompileGlob("/ctl/node/" + name + "/**")
if err != nil {
log.Println(err)
return
}
store.Walk(g, glob, func(path, _ string, rev int64) bool {
consensus.Del(p, path, rev)
return false
})
}