func getOrCreateConsensus(associatedView *view.View) consensusInstance {
consensusTableMu.Lock()
defer consensusTableMu.Unlock()
ci, ok := consensusTable[associatedView.NumberOfUpdates()]
if !ok {
ci = consensusInstance{associatedView: associatedView, taskChan: make(chan consensusTask, CHANNEL_DEFAULT_BUFFER_SIZE), callbackLearnChan: make(chan interface{}, 1)}
//ci.startTime = time.Now()
consensusTable[associatedView.NumberOfUpdates()] = ci
log.Println("Created consensus instance:", ci)
go consensusWorker(ci)
}
return ci
}
// getNextProposalNumber to be used by this process. This function is a stage of the Propose funcion.
func getNextProposalNumber(associatedView *view.View, thisProcess view.Process) (proposalNumber int) {
if associatedView.NumberOfMembers() == 0 {
log.Fatalln("associatedView is empty")
}
thisProcessPosition := associatedView.GetProcessPosition(thisProcess)
lastProposalNumber, err := getLastProposalNumber(associatedView.NumberOfUpdates())
if err != nil {
proposalNumber = associatedView.NumberOfMembers() + thisProcessPosition
} else {
proposalNumber = (lastProposalNumber - (lastProposalNumber % associatedView.NumberOfMembers()) + associatedView.NumberOfMembers()) + thisProcessPosition
}
saveProposalNumberOnStorage(associatedView.NumberOfUpdates(), proposalNumber)
return
}