Golang IMsg.GetVMIndex方法代碼示例

// Create a new Acknowledgement.  Must be called by a leader.  This
// call assumes all the pieces are in place to create a new acknowledgement
func (s *State) NewAck(msg interfaces.IMsg) interfaces.IMsg {

	vmIndex := msg.GetVMIndex()

	msg.SetLeaderChainID(s.IdentityChainID)
	ack := new(messages.Ack)
	ack.DBHeight = s.LLeaderHeight
	ack.VMIndex = vmIndex
	ack.Minute = byte(s.ProcessLists.Get(s.LLeaderHeight).VMs[vmIndex].LeaderMinute)
	ack.Timestamp = s.GetTimestamp()
	ack.SaltNumber = s.GetSalt(ack.Timestamp)
	copy(ack.Salt[:8], s.Salt.Bytes()[:8])
	ack.MessageHash = msg.GetMsgHash()
	ack.LeaderChainID = s.IdentityChainID

	listlen := len(s.LeaderPL.VMs[vmIndex].List)
	if listlen == 0 {
		ack.Height = 0
		ack.SerialHash = ack.MessageHash
	} else {
		last := s.LeaderPL.GetAckAt(vmIndex, listlen-1)
		ack.Height = last.Height + 1
		ack.SerialHash, _ = primitives.CreateHash(last.MessageHash, ack.MessageHash)
	}

	ack.Sign(s)

	return ack
}

func (s *State) executeMsg(vm *VM, msg interfaces.IMsg) (ret bool) {
	_, ok := s.Replay.Valid(constants.INTERNAL_REPLAY, msg.GetRepeatHash().Fixed(), msg.GetTimestamp(), s.GetTimestamp())
	if !ok {
		return
	}
	s.SetString()
	msg.ComputeVMIndex(s)

	switch msg.Validate(s) {
	case 1:
		if s.RunLeader &&
			s.Leader &&
			!s.Saving &&
			vm != nil && int(vm.Height) == len(vm.List) &&
			(!s.Syncing || !vm.Synced) &&
			(msg.IsLocal() || msg.GetVMIndex() == s.LeaderVMIndex) &&
			s.LeaderPL.DBHeight+1 >= s.GetHighestKnownBlock() {
			if len(vm.List) == 0 {
				s.SendDBSig(s.LLeaderHeight, s.LeaderVMIndex)
				s.XReview = append(s.XReview, msg)
			} else {
				msg.LeaderExecute(s)
			}
		} else {
			msg.FollowerExecute(s)
		}
		ret = true
	case 0:
		s.Holding[msg.GetMsgHash().Fixed()] = msg
	default:
		s.Holding[msg.GetMsgHash().Fixed()] = msg
		if !msg.SentInvlaid() {
			msg.MarkSentInvalid(true)
			s.networkInvalidMsgQueue <- msg
		}
	}

	return

}

// When we process the directory Signature, and we are the leader for said signature, it
// is then that we push it out to the rest of the network.  Otherwise, if we are not the
// leader for the signature, it marks the sig complete for that list
func (s *State) ProcessDBSig(dbheight uint32, msg interfaces.IMsg) bool {

	dbs := msg.(*messages.DirectoryBlockSignature)
	// Don't process if syncing an EOM
	if s.Syncing && !s.DBSig {
		return false
	}

	pl := s.ProcessLists.Get(dbheight)
	vm := s.ProcessLists.Get(dbheight).VMs[msg.GetVMIndex()]

	if uint32(pl.System.Height) >= dbs.SysHeight {
		s.DBSigSys = true
	}

	// If we are done with DBSigs, and this message is processed, then we are done.  Let everything go!
	if s.DBSigSys && s.DBSig && s.DBSigDone {
		s.DBSigProcessed--
		if s.DBSigProcessed <= 0 {
			s.DBSig = false
			s.Syncing = false
		}
		vm.Signed = true
		//s.LeaderPL.AdminBlock
		return true
	}

	// Put the stuff that only executes once at the start of DBSignatures here
	if !s.DBSig {
		s.DBSigLimit = len(pl.FedServers)
		s.DBSigProcessed = 0
		s.DBSig = true
		s.Syncing = true
		s.DBSigDone = false
		for _, vm := range pl.VMs {
			vm.Synced = false
		}
		pl.ResetDiffSigTally()
	}

	// Put the stuff that executes per DBSignature here
	if !dbs.Processed {
		if dbs.VMIndex == 0 {
			s.SetLeaderTimestamp(dbs.GetTimestamp())
		}
		dbstate := s.GetDBState(dbheight - 1)

		if dbstate == nil || !dbs.DirectoryBlockHeader.GetBodyMR().IsSameAs(dbstate.DirectoryBlock.GetHeader().GetBodyMR()) {
			//fmt.Println(s.FactomNodeName, "JUST COMPARED", dbs.DirectoryBlockHeader.GetBodyMR().String()[:10], " : ", dbstate.DirectoryBlock.GetHeader().GetBodyMR().String()[:10])
			pl.IncrementDiffSigTally()
		}

		// Adds DB Sig to be added to Admin block if passes sig checks
		allChecks := false
		data, err := dbs.DirectoryBlockHeader.MarshalBinary()
		if err != nil {
			fmt.Println("Debug: DBSig Signature Error, Marshal binary errored")
		} else {
			if !dbs.DBSignature.Verify(data) {
				fmt.Println("Debug: DBSig Signature Error, Verify errored")
			} else {
				if valid, err := s.VerifyAuthoritySignature(data, dbs.DBSignature.GetSignature(), dbs.DBHeight); err == nil && valid == 1 {
					allChecks = true
				}
			}
		}

		if allChecks {
			dbs.Matches = true
			s.AddDBSig(dbheight, dbs.ServerIdentityChainID, dbs.DBSignature)
		}

		dbs.Processed = true
		s.DBSigProcessed++
		vm.Synced = true
	}

	allfaults := s.LeaderPL.System.Height >= s.LeaderPL.SysHighest

	// Put the stuff that executes once for set of DBSignatures (after I have them all) here
	if allfaults && !s.DBSigDone && s.DBSigProcessed >= s.DBSigLimit {
		fails := 0
		for i := range pl.FedServers {
			vm := pl.VMs[i]
			tdbsig, ok := vm.List[0].(*messages.DirectoryBlockSignature)
			if !ok || !tdbsig.Matches {
				fails++
				vm.List[0] = nil
				vm.Height = 0
				s.DBSigProcessed--
			}
		}
		if fails > len(pl.FedServers)/2 {
			//s.DoReset()
			return false
		} else if fails > 0 {
			return false
//.........這裏部分代碼省略.........

// TODO: Should fault the server if we don't have the proper sequence of EOM messages.
func (s *State) ProcessEOM(dbheight uint32, msg interfaces.IMsg) bool {

	e := msg.(*messages.EOM)

	if s.Syncing && !s.EOM {
		return false
	}

	if s.EOM && int(e.Minute) > s.EOMMinute {
		return false
	}

	pl := s.ProcessLists.Get(dbheight)
	vm := s.ProcessLists.Get(dbheight).VMs[msg.GetVMIndex()]

	if uint32(pl.System.Height) >= e.SysHeight {
		s.EOMSys = true
	}

	// If I have done everything for all EOMs for all VMs, then and only then do I
	// let processing continue.
	if s.EOMDone && s.EOMSys {
		s.EOMProcessed--
		if s.EOMProcessed <= 0 {
			s.EOM = false
			s.EOMDone = false
			s.ReviewHolding()
			s.Syncing = false
		}
		s.SendHeartBeat()

		return true
	}

	// What I do once  for all VMs at the beginning of processing a particular EOM
	if !s.EOM {
		s.EOMSys = false
		s.Syncing = true
		s.EOM = true
		s.EOMLimit = len(s.LeaderPL.FedServers)
		s.EOMMinute = int(e.Minute)
		s.EOMsyncing = true
		s.EOMProcessed = 0
		s.Newblk = false

		for _, vm := range pl.VMs {
			vm.Synced = false
		}
		s.AddStatus("EOM Syncing")
		return false
	}

	// What I do for each EOM
	if !e.Processed {
		vm.LeaderMinute++
		s.EOMProcessed++
		e.Processed = true
		vm.Synced = true
		if s.LeaderPL.SysHighest < int(e.SysHeight) {
			s.LeaderPL.SysHighest = int(e.SysHeight)
		}
		s.AddStatus("EOM Processed")
		return false
	}

	allfaults := s.LeaderPL.System.Height >= s.LeaderPL.SysHighest

	// After all EOM markers are processed, Claim we are done.  Now we can unwind
	if allfaults && s.EOMProcessed == s.EOMLimit && !s.EOMDone {
		s.AddStatus("EOM All Done")

		s.EOMDone = true
		for _, eb := range pl.NewEBlocks {
			eb.AddEndOfMinuteMarker(byte(e.Minute + 1))
		}

		s.FactoidState.EndOfPeriod(int(e.Minute))

		ecblk := pl.EntryCreditBlock
		ecbody := ecblk.GetBody()
		mn := entryCreditBlock.NewMinuteNumber(e.Minute + 1)
		ecbody.AddEntry(mn)

		if !s.Leader {
			s.CurrentMinute = int(e.Minute)
		}

		s.CurrentMinute++

		switch {
		case s.CurrentMinute < 10:
			s.LeaderPL = s.ProcessLists.Get(s.LLeaderHeight)
			s.Leader, s.LeaderVMIndex = s.LeaderPL.GetVirtualServers(s.CurrentMinute, s.IdentityChainID)
		case s.CurrentMinute == 10:
			eBlocks := []interfaces.IEntryBlock{}
			entries := []interfaces.IEBEntry{}
			for _, v := range pl.NewEBlocks {
				eBlocks = append(eBlocks, v)
			}
//.........這裏部分代碼省略.........