Golang IMsg.GetRepeatHash方法代碼示例

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 (p *ProcessList) AddToSystemList(m interfaces.IMsg) bool {
	// Make sure we have a list, and punt if we don't.
	if p == nil {
		p.State.Holding[m.GetRepeatHash().Fixed()] = m
		return false
	}

	fullFault, ok := m.(*messages.FullServerFault)
	if !ok {
		return false // Should never happen;  Don't pass junk to be added to the System List
	}

	// If we have already processed past this fault, just ignore.
	if p.System.Height > int(fullFault.SystemHeight) {
		return false
	}

	// If the fault is in the future, hold it.
	if p.System.Height < int(fullFault.SystemHeight) {
		p.State.Holding[m.GetRepeatHash().Fixed()] = m
		return false
	}

	for len(p.System.List) > 0 && p.System.List[len(p.System.List)-1] == nil {
		p.System.List = p.System.List[:len(p.System.List)-1]
	}

	// If we are here, fullFault.SystemHeight == p.System.Height
	if len(p.System.List) <= p.System.Height {
		// Nothing in our list a this slot yet, so insert this FullFault message
		p.System.List = append(p.System.List, fullFault)
		return true
	}

	// Something is in our SystemList at this height;
	// We will prioritize the FullFault with the highest VMIndex
	existingSystemFault, _ := p.System.List[p.System.Height].(*messages.FullServerFault)
	if int(existingSystemFault.VMIndex) >= int(fullFault.VMIndex) {
		return false
	}

	p.System.List[p.System.Height] = fullFault

	return true

}

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 Peers(fnode *FactomNode) {
	cnt := 0
	for {
		for i := 0; i < 100 && len(fnode.State.APIQueue()) > 0; i++ {
			select {
			case msg := <-fnode.State.APIQueue():
				if msg == nil {
					break
				}
				repeatHash := msg.GetRepeatHash()
				if repeatHash == nil {
					fmt.Println("dddd ERROR!", msg.String())
					break
				}
				cnt++
				msg.SetOrigin(0)
				if fnode.State.Replay.IsTSValid_(constants.NETWORK_REPLAY, repeatHash.Fixed(),
					msg.GetTimestamp(),
					fnode.State.GetTimestamp()) {

					fnode.MLog.add2(fnode, false, fnode.State.FactomNodeName, "API", true, msg)
					if len(fnode.State.InMsgQueue()) < 9000 {
						fnode.State.InMsgQueue() <- msg
					}
				}
			default:

			}
		}

		// Put any broadcasts from our peers into our BroadcastIn queue
		for i, peer := range fnode.Peers {
			for j := 0; j < 100; j++ {

				var msg interfaces.IMsg
				var err error

				if !fnode.State.GetNetStateOff() {
					msg, err = peer.Recieve()
				}

				if msg == nil {
					// Recieve is not blocking; nothing to do, we get a nil.
					break
				}

				cnt++

				if err != nil {
					fmt.Println("ERROR recieving message on", fnode.State.FactomNodeName+":", err)
					break
				}

				msg.SetOrigin(i + 1)
				if fnode.State.Replay.IsTSValid_(constants.NETWORK_REPLAY, msg.GetRepeatHash().Fixed(),
					msg.GetTimestamp(),
					fnode.State.GetTimestamp()) {
					//if state.GetOut() {
					//	fnode.State.Println("In Comming!! ",msg)
					//}
					in := "PeerIn"
					if msg.IsPeer2Peer() {
						in = "P2P In"
					}
					nme := fmt.Sprintf("%s %d", in, i+1)

					fnode.MLog.add2(fnode, false, peer.GetNameTo(), nme, true, msg)

					// Ignore messages if there are too many.
					if len(fnode.State.InMsgQueue()) < 9000 {
						fnode.State.InMsgQueue() <- msg
					}

				} else {
					fnode.MLog.add2(fnode, false, peer.GetNameTo(), "PeerIn", false, msg)
				}
			}
		}
		if cnt == 0 {
			time.Sleep(50 * time.Millisecond)
		}
		cnt = 0
	}
}

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

}