func (t *BindFeature) Negotate(strm *stream.Stream) error {
if strm.Jid.Resource != "" {
t.Resource = &strm.Jid.Resource
}
id := strconv.Itoa(rand.Intn(1000))
iq := Iq{To: strm.Jid.Server(), Id: &id, Payload: t}
typ := IqTypeSet
iq.Type = &typ
if err := strm.Send(&iq); err != nil {
return err
}
resp, err := strm.Read()
if err != nil {
return err
}
if resp == nil {
return stream.ErrUnexpectedEOF
}
switch rsp := resp.(type) {
case *Iq:
if rsp.Type != nil && *rsp.Type == IqTypeResult && rsp.Payload != nil {
if newt, ok := rsp.Payload.(*BindFeature); ok {
if newt.Jid != nil {
strm.Jid = newt.Jid
return nil
}
} else {
return stream.ErrMalformedProtocol
}
}
case *stream.Error:
return rsp
}
return stream.ErrMalformedProtocol
}
