func (cm *ConnectionManager) DispatchMessage(sender common.RMId, msgType msgs.Message_Which, msg *msgs.Message) { d := cm.Dispatchers switch msgType { case msgs.MESSAGE_TXNSUBMISSION: txn := msg.TxnSubmission() d.ProposerDispatcher.TxnReceived(sender, &txn) case msgs.MESSAGE_SUBMISSIONOUTCOME: outcome := msg.SubmissionOutcome() txnId := common.MakeTxnId(outcome.Txn().Id()) connNumber := binary.BigEndian.Uint32(txnId[8:12]) bootNumber := binary.BigEndian.Uint32(txnId[12:16]) if conn := cm.GetClient(bootNumber, connNumber); conn == nil { // OSS is safe here - it's the default action on receipt of outcome for unknown client. paxos.NewOneShotSender(paxos.MakeTxnSubmissionCompleteMsg(txnId), cm, sender) } else { conn.SubmissionOutcomeReceived(sender, txnId, &outcome) return } case msgs.MESSAGE_SUBMISSIONCOMPLETE: tsc := msg.SubmissionComplete() d.AcceptorDispatcher.TxnSubmissionCompleteReceived(sender, &tsc) case msgs.MESSAGE_SUBMISSIONABORT: tsa := msg.SubmissionAbort() d.ProposerDispatcher.TxnSubmissionAbortReceived(sender, &tsa) case msgs.MESSAGE_ONEATXNVOTES: oneATxnVotes := msg.OneATxnVotes() d.AcceptorDispatcher.OneATxnVotesReceived(sender, &oneATxnVotes) case msgs.MESSAGE_ONEBTXNVOTES: oneBTxnVotes := msg.OneBTxnVotes() d.ProposerDispatcher.OneBTxnVotesReceived(sender, &oneBTxnVotes) case msgs.MESSAGE_TWOATXNVOTES: twoATxnVotes := msg.TwoATxnVotes() d.AcceptorDispatcher.TwoATxnVotesReceived(sender, &twoATxnVotes) case msgs.MESSAGE_TWOBTXNVOTES: twoBTxnVotes := msg.TwoBTxnVotes() d.ProposerDispatcher.TwoBTxnVotesReceived(sender, &twoBTxnVotes) case msgs.MESSAGE_TXNLOCALLYCOMPLETE: tlc := msg.TxnLocallyComplete() d.AcceptorDispatcher.TxnLocallyCompleteReceived(sender, &tlc) case msgs.MESSAGE_TXNGLOBALLYCOMPLETE: tgc := msg.TxnGloballyComplete() d.ProposerDispatcher.TxnGloballyCompleteReceived(sender, &tgc) case msgs.MESSAGE_TOPOLOGYCHANGEREQUEST: // do nothing - we've just sent it to ourselves. case msgs.MESSAGE_MIGRATION: migration := msg.Migration() cm.Transmogrifier.MigrationReceived(sender, &migration) case msgs.MESSAGE_MIGRATIONCOMPLETE: migrationComplete := msg.MigrationComplete() cm.Transmogrifier.MigrationCompleteReceived(sender, &migrationComplete) default: panic(fmt.Sprintf("Unexpected message received from %v (%v)", sender, msgType)) } }