// DispatchResponse enqueues an incoming response into the response channel for
// the corresponding request.
//
// header: Message header for the response.
//
// data: User data in the response message.
//
// Returns nil on success.
func (this *Messenger) DispatchResponse(header *msgpb.Header,
data []byte) error {
lock, errLock := this.ctlr.Lock("this.requestMap")
if errLock != nil {
return errLock
}
defer lock.Unlock()
response := header.GetResponse()
requestID := response.GetRequestId()
responseCh, found := this.requestMap[requestID]
if !found {
this.Errorf("could not find request %d to dispatch response %s",
requestID, header)
return errs.ErrNotExist
}
// Close the lock early to release the resources.
lock.Unlock()
entry := &Entry{header: header, data: data}
select {
case responseCh <- entry:
return nil
default:
this.Errorf("could not queue response %s to request %d", header,
requestID)
return errs.ErrOverflow
}
}
