Exemplo n.º 1
0
func deflateTxn(txn *msgs.Txn, seg *capn.Segment) *msgs.Txn {
	if isDeflated(txn) {
		return txn
	}
	deflatedTxn := msgs.NewTxn(seg)
	deflatedTxn.SetId(txn.Id())
	deflatedTxn.SetRetry(txn.Retry())
	deflatedTxn.SetSubmitter(txn.Submitter())
	deflatedTxn.SetSubmitterBootCount(txn.SubmitterBootCount())
	deflatedTxn.SetFInc(txn.FInc())
	deflatedTxn.SetTopologyVersion(txn.TopologyVersion())

	deflatedTxn.SetAllocations(txn.Allocations())

	actionsList := txn.Actions()
	deflatedActionsList := msgs.NewActionList(seg, actionsList.Len())
	deflatedTxn.SetActions(deflatedActionsList)
	for idx, l := 0, actionsList.Len(); idx < l; idx++ {
		deflatedAction := deflatedActionsList.At(idx)
		deflatedAction.SetVarId(actionsList.At(idx).VarId())
		deflatedAction.SetMissing()
	}

	return &deflatedTxn
}
Exemplo n.º 2
0
func NewProposal(pm *ProposerManager, txnId *common.TxnId, txn *msgs.Txn, fInc int, ballots []*eng.Ballot, instanceRMId common.RMId, acceptors []common.RMId, skipPhase1 bool) *proposal {
	allocs := txn.Allocations()
	activeRMIds := make(map[common.RMId]uint32, allocs.Len())
	for idx, l := 0, allocs.Len(); idx < l; idx++ {
		alloc := allocs.At(idx)
		bootCount := alloc.Active()
		if bootCount == 0 {
			break
		}
		rmId := common.RMId(alloc.RmId())
		activeRMIds[rmId] = bootCount
	}
	p := &proposal{
		proposerManager:    pm,
		instanceRMId:       instanceRMId,
		acceptors:          acceptors,
		activeRMIds:        activeRMIds,
		fInc:               fInc,
		txn:                txn,
		txnId:              txnId,
		submitter:          common.RMId(txn.Submitter()),
		submitterBootCount: txn.SubmitterBootCount(),
		skipPhase1:         skipPhase1,
		instances:          make(map[common.VarUUId]*proposalInstance, len(ballots)),
		pending:            make([]*proposalInstance, 0, len(ballots)),
		finished:           false,
	}
	for _, ballot := range ballots {
		pi := newProposalInstance(p, ballot)
		p.instances[*ballot.VarUUId] = pi
		pi.init()
		pi.start()
	}
	return p
}
Exemplo n.º 3
0
func TxnToRootBytes(txn *msgs.Txn) []byte {
	seg := capn.NewBuffer(nil)
	txnCap := msgs.NewRootTxn(seg)
	txnCap.SetId(txn.Id())
	txnCap.SetRetry(txn.Retry())
	txnCap.SetSubmitter(txn.Submitter())
	txnCap.SetSubmitterBootCount(txn.SubmitterBootCount())
	txnCap.SetActions(txn.Actions())
	txnCap.SetAllocations(txn.Allocations())
	txnCap.SetFInc(txn.FInc())
	txnCap.SetTopologyVersion(txn.TopologyVersion())

	return server.SegToBytes(seg)
}