func (ns *NodeState) do_AMB_REGISTER(sok io.ReadWriteCloser, req textprot.TextReq) (err error) {
if len(req.Args) == 0 {
err = errors.New("core2core: server got truncated AMB_REGISTER")
return
}
bts, err := hex.DecodeString(req.Args[0])
if err != nil {
return err
}
var kee [32]byte
copy(kee[:], bts)
fmt.Printf("%x\n", kee[:])
// unlock once the kiricom state is in place
ns.Lock()
_, ok := ns.ambState[kee]
if ok {
ns.Unlock()
err = (&textprot.TextReq{
Verb: "NOPE",
}).WriteTo(sok)
return
}
dieInDisgrace := func() {
ns.Lock()
delete(ns.ambState, kee)
ns.Unlock()
}
defer kilog.Debug("core2core: ambassador register for %x terminated", kee[:])
// signal OKAY
err = (&textprot.TextReq{
Verb: "OKAY",
}).WriteTo(sok)
if err != nil {
kilog.Debug("core2core: WHAT %v", err.Error())
dieInDisgrace()
return
}
// construct the client kiricom state
kcstat := kiricom.NewClientCtx(8192, sok)
ns.ambState[kee] = kcstat
ns.Unlock()
defer dieInDisgrace()
defer kcstat.Close()
kcstat.WaitDeath()
return
}
// ConnAmbassador connects through this node as an ambassador
func (clnt *Client) ConnAmbassador(srvpub natrium.EdDSAPublic) (*kiricom.ClientCtx, error) {
req := textprot.TextReq{
Verb: "AMB_CONNECT",
Args: []string{hex.EncodeToString(srvpub)},
}
_, err := clnt.execCmd(req)
if err != nil {
return nil, err
}
clntctx := kiricom.NewClientCtx(8192, clnt.sok)
return clntctx, nil
}