Golang IMsg.GetMsgHash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 (f *P2PProxy) Send(msg interfaces.IMsg) error {
	f.logMessage(msg, false) // NODE_TALK_FIX
	data, err := msg.MarshalBinary()
	if err != nil {
		fmt.Println("ERROR on Send: ", err)
		return err
	}
	hash := fmt.Sprintf("%x", msg.GetMsgHash().Bytes())
	appType := fmt.Sprintf("%d", msg.Type())
	message := factomMessage{message: data, peerHash: msg.GetNetworkOrigin(), appHash: hash, appType: appType}
	switch {
	case !msg.IsPeer2Peer():
		message.peerHash = p2p.BroadcastFlag
		f.trace(message.appHash, message.appType, "P2PProxy.Send() - BroadcastFlag", "a")
	case msg.IsPeer2Peer() && 0 == len(message.peerHash): // directed, with no direction of who to send it to
		message.peerHash = p2p.RandomPeerFlag
		f.trace(message.appHash, message.appType, "P2PProxy.Send() - RandomPeerFlag", "a")
	default:
		f.trace(message.appHash, message.appType, "P2PProxy.Send() - Addressed by hash", "a")
	}
	if msg.IsPeer2Peer() && 1 < f.debugMode {
		fmt.Printf("%s Sending directed to: %s message: %+v\n", time.Now().String(), message.peerHash, msg.String())
	}
	p2p.BlockFreeChannelSend(f.BroadcastOut, message)
	return nil
}

func (p *P2PProxy) logMessage(msg interfaces.IMsg, received bool) {
	if 2 < p.debugMode {
		// if constants.DBSTATE_MSG == msg.Type() {
		// fmt.Printf("AppMsgLogging: \n Type: %s \n Network Origin: %s \n Message: %s", msg.Type(), msg.GetNetworkOrigin(), msg.String())
		// }
		hash := fmt.Sprintf("%x", msg.GetMsgHash().Bytes())
		time := time.Now().Unix()
		ml := messageLog{hash: hash, received: received, time: time, mtype: msg.Type(), target: msg.GetNetworkOrigin()}
		p2p.BlockFreeChannelSend(p.logging, ml)
	}
}

// Messages that will go into the Process List must match an Acknowledgement.
// The code for this is the same for all such messages, so we put it here.
//
// Returns true if it finds a match, puts the message in holding, or invalidates the message
func (s *State) FollowerExecuteMsg(m interfaces.IMsg) {

	s.Holding[m.GetMsgHash().Fixed()] = m
	ack, _ := s.Acks[m.GetMsgHash().Fixed()].(*messages.Ack)

	if ack != nil {
		m.SetLeaderChainID(ack.GetLeaderChainID())
		m.SetMinute(ack.Minute)

		pl := s.ProcessLists.Get(ack.DBHeight)
		pl.AddToProcessList(ack, m)
	}
}

// Messages that will go into the Process List must match an Acknowledgement.
// The code for this is the same for all such messages, so we put it here.
//
// Returns true if it finds a match, puts the message in holding, or invalidates the message
func (s *State) FollowerExecuteEOM(m interfaces.IMsg) {

	if m.IsLocal() {
		return // This is an internal EOM message.  We are not a leader so ignore.
	}

	s.Holding[m.GetMsgHash().Fixed()] = m

	ack, _ := s.Acks[m.GetMsgHash().Fixed()].(*messages.Ack)
	if ack != nil {
		pl := s.ProcessLists.Get(ack.DBHeight)
		pl.AddToProcessList(ack, m)
	}
}

func (s *State) LeaderExecute(m interfaces.IMsg) {

	_, ok := s.Replay.Valid(constants.INTERNAL_REPLAY, m.GetRepeatHash().Fixed(), m.GetTimestamp(), s.GetTimestamp())
	if !ok {
		delete(s.Holding, m.GetRepeatHash().Fixed())
		delete(s.Holding, m.GetMsgHash().Fixed())
		return
	}

	ack := s.NewAck(m).(*messages.Ack)
	m.SetLeaderChainID(ack.GetLeaderChainID())
	m.SetMinute(ack.Minute)

	s.ProcessLists.Get(ack.DBHeight).AddToProcessList(ack, m)
}

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

}

func (s *State) LeaderExecuteRevealEntry(m interfaces.IMsg) {
	re := m.(*messages.RevealEntryMsg)
	eh := re.Entry.GetHash()

	commit, rtn := re.ValidateRTN(s)

	switch rtn {
	case 0:
		m.FollowerExecute(s)
	case -1:
		return
	}
	now := s.GetTimestamp()
	// If we have already recorded a Reveal Entry with this hash in this period, just ignore.
	if _, v := s.Replay.Valid(constants.REVEAL_REPLAY, eh.Fixed(), s.GetLeaderTimestamp(), now); !v {
		return
	}

	ack := s.NewAck(m).(*messages.Ack)

	m.SetLeaderChainID(ack.GetLeaderChainID())
	m.SetMinute(ack.Minute)

	// Put the acknowledgement in the Acks so we can tell if AddToProcessList() adds it.
	s.Acks[m.GetMsgHash().Fixed()] = ack
	s.ProcessLists.Get(ack.DBHeight).AddToProcessList(ack, m)
	// If it was added, then get rid of the matching Commit.
	if s.Acks[m.GetMsgHash().Fixed()] != nil {
		m.FollowerExecute(s)
		s.PutCommit(eh, commit)
	} else {
		// Okay the Reveal has been recorded.  Record this as an entry that cannot be duplicated.
		s.Replay.IsTSValid_(constants.REVEAL_REPLAY, eh.Fixed(), m.GetTimestamp(), now)
		delete(s.Commits, eh.Fixed())
	}
}

func (s *State) FollowerExecuteRevealEntry(m interfaces.IMsg) {
	s.Holding[m.GetMsgHash().Fixed()] = m
	ack, _ := s.Acks[m.GetMsgHash().Fixed()].(*messages.Ack)

	if ack != nil {

		m.SetLeaderChainID(ack.GetLeaderChainID())
		m.SetMinute(ack.Minute)

		pl := s.ProcessLists.Get(ack.DBHeight)
		pl.AddToProcessList(ack, m)

		// If we added the ack, then it will be cleared from the ack map.
		if s.Acks[m.GetMsgHash().Fixed()] == nil {
			msg := m.(*messages.RevealEntryMsg)
			delete(s.Commits, msg.Entry.GetHash().Fixed())
			// Okay the Reveal has been recorded.  Record this as an entry that cannot be duplicated.
			s.Replay.IsTSValid_(constants.REVEAL_REPLAY, msg.Entry.GetHash().Fixed(), msg.Timestamp, s.GetTimestamp())
		}

	}

}

func (p *ProcessList) AddToProcessList(ack *messages.Ack, m interfaces.IMsg) {

	if p == nil {
		return
	}

	// We don't check the SaltNumber if this isn't an actual message, i.e. a response from
	// the past.
	if !ack.Response && ack.LeaderChainID.IsSameAs(p.State.IdentityChainID) {
		num := p.State.GetSalt(ack.Timestamp)
		if num != ack.SaltNumber {
			os.Stderr.WriteString(fmt.Sprintf("This  ChainID    %x\n", p.State.IdentityChainID.Bytes()))
			os.Stderr.WriteString(fmt.Sprintf("This  Salt       %x\n", p.State.Salt.Bytes()[:8]))
			os.Stderr.WriteString(fmt.Sprintf("This  SaltNumber %x\n for this ack", num))
			os.Stderr.WriteString(fmt.Sprintf("Ack   ChainID    %x\n", ack.LeaderChainID.Bytes()))
			os.Stderr.WriteString(fmt.Sprintf("Ack   Salt       %x\n", ack.Salt))
			os.Stderr.WriteString(fmt.Sprintf("Ack   SaltNumber %x\n for this ack", ack.SaltNumber))
			panic("There are two leaders configured with the same Identity in this network!  This is a configuration problem!")
		}
	}

	if _, ok := m.(*messages.MissingMsg); ok {
		panic("This shouldn't happen")
	}

	toss := func(hint string) {
		fmt.Println("dddd TOSS in Process List", p.State.FactomNodeName, hint)
		fmt.Println("dddd TOSS in Process List", p.State.FactomNodeName, ack.String())
		fmt.Println("dddd TOSS in Process List", p.State.FactomNodeName, m.String())
		delete(p.State.Holding, ack.GetHash().Fixed())
		delete(p.State.Acks, ack.GetHash().Fixed())
	}

	now := p.State.GetTimestamp()

	vm := p.VMs[ack.VMIndex]

	if len(vm.List) > int(ack.Height) && vm.List[ack.Height] != nil {
		_, isNew2 := p.State.Replay.Valid(constants.INTERNAL_REPLAY, m.GetRepeatHash().Fixed(), m.GetTimestamp(), now)
		if !isNew2 {
			toss("seen before, or too old")
			return
		}
	}

	if ack.DBHeight != p.DBHeight {
		panic(fmt.Sprintf("Ack is wrong height.  Expected: %d Ack: %s", p.DBHeight, ack.String()))
		return
	}

	if len(vm.List) > int(ack.Height) && vm.List[ack.Height] != nil {

		if vm.List[ack.Height].GetMsgHash().IsSameAs(m.GetMsgHash()) {
			fmt.Printf("dddd %-30s %10s %s\n", "xxxxxxxxx PL Duplicate   ", p.State.GetFactomNodeName(), m.String())
			fmt.Printf("dddd %-30s %10s %s\n", "xxxxxxxxx PL Duplicate   ", p.State.GetFactomNodeName(), ack.String())
			fmt.Printf("dddd %-30s %10s %s\n", "xxxxxxxxx PL Duplicate vm", p.State.GetFactomNodeName(), vm.List[ack.Height].String())
			fmt.Printf("dddd %-30s %10s %s\n", "xxxxxxxxx PL Duplicate vm", p.State.GetFactomNodeName(), vm.ListAck[ack.Height].String())
			toss("2")
			return
		}

		vm.List[ack.Height] = nil

		return
	}

	// From this point on, we consider the transaction recorded.  If we detect it has already been
	// recorded, then we still treat it as if we recorded it.

	vm.heartBeat = 0 // We have heard from this VM

	// We have already tested and found m to be a new message.  We now record its hashes so later, we
	// can detect that it has been recorded.  We don't care about the results of IsTSValid_ at this point.
	p.State.Replay.IsTSValid_(constants.INTERNAL_REPLAY, m.GetRepeatHash().Fixed(), m.GetTimestamp(), now)
	p.State.Replay.IsTSValid_(constants.INTERNAL_REPLAY, m.GetMsgHash().Fixed(), m.GetTimestamp(), now)

	delete(p.State.Acks, ack.GetHash().Fixed())
	delete(p.State.Holding, m.GetMsgHash().Fixed())

	// Both the ack and the message hash to the same GetHash()
	m.SetLocal(false)
	ack.SetLocal(false)
	ack.SetPeer2Peer(false)
	m.SetPeer2Peer(false)

	ack.SendOut(p.State, ack)
	m.SendOut(p.State, m)

	for len(vm.List) <= int(ack.Height) {
		vm.List = append(vm.List, nil)
		vm.ListAck = append(vm.ListAck, nil)
	}

	p.VMs[ack.VMIndex].List[ack.Height] = m
	p.VMs[ack.VMIndex].ListAck[ack.Height] = ack
	p.AddOldMsgs(m)
	p.OldAcks[m.GetMsgHash().Fixed()] = ack

}