/
peerinfo.go
436 lines (401 loc) · 11.2 KB
/
peerinfo.go
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package peer
import (
"context"
"fmt"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/33cn/chain33/common/utils"
"github.com/33cn/chain33/common/version"
"github.com/33cn/chain33/system/p2p/dht/protocol"
types2 "github.com/33cn/chain33/system/p2p/dht/types"
"github.com/33cn/chain33/types"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/multiformats/go-multiaddr"
)
const (
diffHeightValue = 512
maxPeers = 20
latestTag = "latestBlock"
highestTag = "highest"
)
type lastBlock struct {
Height int64
LastScene time.Time
}
func (p *Protocol) getLocalPeerInfo() *types.Peer {
msg := p.QueueClient.NewMessage(mempool, types.EventGetMempoolSize, nil)
err := p.QueueClient.Send(msg, true)
if err != nil {
return nil
}
resp, err := p.QueueClient.WaitTimeout(msg, time.Second*5)
if err != nil {
log.Error("getLocalPeerInfo", "mempool WaitTimeout", err)
return nil
}
var localPeer types.Peer
localPeer.MempoolSize = int32(resp.Data.(*types.MempoolSize).GetSize())
msg = p.QueueClient.NewMessage(blockchain, types.EventGetLastHeader, nil)
err = p.QueueClient.Send(msg, true)
if err != nil {
return nil
}
resp, err = p.QueueClient.WaitTimeout(msg, time.Second)
if err != nil {
log.Error("getLocalPeerInfo", "blockchain WaitTimeout", err)
return nil
}
localPeer.Header = resp.Data.(*types.Header)
localPeer.Name = p.Host.ID().Pretty()
ip, port := parseIPAndPort(p.getExternalAddr())
localPeer.Addr = ip
localPeer.Port = int32(port)
localPeer.Version = version.GetVersion() + "@" + version.GetAppVersion()
//localPeer.StoreDBVersion = version.GetStoreDBVersion()
//localPeer.LocalDBVersion = version.GetLocalDBVersion()
//增加节点运行时间,以及节点节点类型:全节点,分片节点
localPeer.RunningTime = caculteRunningTime()
localPeer.FullNode = p.SubConfig.IsFullNode
//增加节点高度增长是否是阻塞状态监测
localPeer.Blocked = p.getBlocked()
return &localPeer
}
func caculteRunningTime() string {
var runningTime string
mins := time.Since(processStart).Minutes()
runningTime = fmt.Sprintf("%.3f minutes", mins)
if mins > 60 {
hours := mins / 60
runningTime = fmt.Sprintf("%.3f hours", hours)
}
return runningTime
}
func (p *Protocol) refreshSelf() {
selfPeer := p.getLocalPeerInfo()
if selfPeer != nil {
selfPeer.Self = true
p.PeerInfoManager.Refresh(selfPeer)
}
}
func (p *Protocol) refreshPeerInfo(peers []peer.ID) {
var wg sync.WaitGroup
// 限制最大并发数量为20
ch := make(chan struct{}, 20)
for _, remoteID := range peers {
if p.checkDone() {
log.Warn("getPeerInfo", "process", "done+++++++")
return
}
if remoteID == p.Host.ID() {
continue
}
//修改为并发获取peerinfo信息
wg.Add(1)
ch <- struct{}{}
go func(pid peer.ID) {
defer func() {
<-ch
wg.Done()
}()
pInfo, err := p.queryPeerInfoOld(pid)
if err != nil {
log.Error("refreshPeerInfo", "error", err, "pid", pid)
return
}
if p.checkVersionLimit(pInfo.GetVersion()) {
p.PeerInfoManager.Refresh(pInfo)
} else {
//add blacklist
log.Info("refreshPeerInfo", "AddBlacklist,peerName:", pInfo.GetName(), "version:", pInfo.GetVersion(), "runningTime:", pInfo.GetRunningTime())
p.P2PEnv.Host.Network().ClosePeer(peer.ID(pInfo.GetName()))
p.P2PEnv.ConnBlackList.Add(pInfo.GetName(), time.Hour*24)
}
}(remoteID)
}
wg.Wait()
}
func (p *Protocol) checkOutBound(height int64) {
if height < diffHeightValue {
return
}
for _, pinfo := range p.PeerInfoManager.FetchAll() {
if pinfo.GetHeader().GetHeight()+diffHeightValue < height {
pid, err := peer.Decode(pinfo.GetName())
if err != nil {
continue
}
// 断开向外的主动连接
for _, conn := range p.Host.Network().ConnsToPeer(pid) {
//判断是Inbound 还是Outbound
if conn.Stat().Direction == network.DirOutbound {
// 拉入连接黑名单
p.ConnBlackList.Add(pinfo.GetName(), 0)
_ = conn.Close()
}
}
}
}
}
func (p *Protocol) detectNodeAddr() {
// 通过bootstrap获取本节点公网ip
for _, bootstrap := range p.SubConfig.BootStraps {
if p.checkDone() {
break
}
addr, _ := multiaddr.NewMultiaddr(bootstrap)
peerInfo, err := peer.AddrInfoFromP2pAddr(addr)
if err != nil {
continue
}
err = p.queryVersionOld(peerInfo.ID)
if err != nil {
continue
}
}
var rangeCount int
for {
if p.checkDone() {
break
}
if p.RoutingTable.Size() == 0 {
time.Sleep(time.Second)
continue
}
//启动后间隔10秒钟,以充分获得节点外网地址,稳定后间隔10分钟
rangeCount++
if rangeCount > 100 {
time.Sleep(time.Minute * 10)
} else if rangeCount > 2 {
time.Sleep(time.Second * 10)
}
for _, pid := range p.RoutingTable.ListPeers() {
if utils.IsPublicIP(p.getPublicIP()) && p.containsPublicIP(pid) {
continue
}
err := p.queryVersionOld(pid)
if err != nil {
log.Error("detectNodeAddr", "queryVersion error", err, "pid", pid)
continue
}
}
}
}
func (p *Protocol) queryPeerInfoOld(pid peer.ID) (*types.Peer, error) {
ctx, cancel := context.WithTimeout(p.Ctx, time.Second*3)
defer cancel()
stream, err := p.Host.NewStream(ctx, pid, peerInfoOld)
if err != nil {
log.Error("refreshPeerInfo", "new stream error", err, "peer id", pid)
return nil, err
}
_ = stream.SetDeadline(time.Now().Add(time.Second * 5))
defer stream.Close()
err = protocol.WriteStream(&types.MessagePeerInfoReq{}, stream)
if err != nil {
return nil, err
}
var resp types.MessagePeerInfoResp
err = protocol.ReadStream(&resp, stream)
if err != nil {
return nil, err
}
if resp.Message == nil {
return nil, types2.ErrInvalidResponse
}
pInfo := types.Peer{
Addr: resp.Message.Addr,
Port: resp.Message.Port,
Name: resp.Message.Name,
MempoolSize: resp.Message.MempoolSize,
Header: resp.Message.Header,
Version: resp.Message.Version,
//LocalDBVersion: resp.Message.LocalDBVersion,
//StoreDBVersion: resp.Message.StoreDBVersion,
FullNode: resp.Message.GetFullNode(),
RunningTime: resp.Message.GetRunningTime(),
Blocked: resp.Message.GetBlocked(),
}
return &pInfo, nil
}
func (p *Protocol) queryPeerInfo(pid peer.ID) (*types.Peer, error) {
ctx, cancel := context.WithTimeout(p.Ctx, time.Second*3)
defer cancel()
stream, err := p.Host.NewStream(ctx, pid, peerInfo)
if err != nil {
log.Error("refreshPeerInfo", "new stream error", err, "peer id", pid)
return nil, err
}
_ = stream.SetDeadline(time.Now().Add(time.Second * 5))
defer stream.Close()
var resp types.Peer
err = protocol.ReadStream(&resp, stream)
if err != nil {
return nil, err
}
return &resp, nil
}
func (p *Protocol) queryVersionOld(pid peer.ID) error {
ctx, cancel := context.WithTimeout(p.Ctx, time.Second*3)
defer cancel()
stream, err := p.Host.NewStream(ctx, pid, peerVersionOld)
if err != nil {
log.Error("NewStream", "err", err, "remoteID", pid)
return err
}
_ = stream.SetDeadline(time.Now().Add(time.Second * 5))
defer stream.Close()
req := types.MessageP2PVersionReq{
Message: &types.P2PVersion{
Version: p.SubConfig.Channel,
AddrFrom: fmt.Sprintf("/ip4/%v/tcp/%d", p.getPublicIP(), p.SubConfig.Port),
AddrRecv: stream.Conn().RemoteMultiaddr().String(),
},
}
err = protocol.WriteStream(&req, stream)
if err != nil {
log.Error("queryVersion", "WriteStream err", err)
return err
}
var res types.MessageP2PVersionResp
err = protocol.ReadStream(&res, stream)
if err != nil {
log.Error("queryVersion", "ReadStream err", err)
return err
}
msg := res.Message
addr := msg.GetAddrRecv()
p.setExternalAddr(addr)
if !strings.Contains(msg.AddrFrom, "/ip4") {
_, port := parseIPAndPort(stream.Conn().RemoteMultiaddr().String())
msg.AddrFrom = fmt.Sprintf("/ip4/%s/tcp/%d", msg.AddrFrom, port)
}
if ip, _ := parseIPAndPort(msg.GetAddrFrom()); utils.IsPublicIP(ip) {
remoteMAddr, err := multiaddr.NewMultiaddr(msg.GetAddrFrom())
if err != nil {
return err
}
p.Host.Peerstore().AddAddr(pid, remoteMAddr, time.Hour*12)
}
return nil
}
func (p *Protocol) queryVersion(pid peer.ID) error {
ctx, cancel := context.WithTimeout(p.Ctx, time.Second*3)
defer cancel()
stream, err := p.Host.NewStream(ctx, pid, peerVersion)
if err != nil {
log.Error("NewStream", "err", err, "remoteID", pid)
return err
}
_ = stream.SetDeadline(time.Now().Add(time.Second * 5))
defer stream.Close()
req := &types.P2PVersion{
Version: p.SubConfig.Channel,
AddrFrom: fmt.Sprintf("/ip4/%v/tcp/%d", p.getPublicIP(), p.SubConfig.Port),
AddrRecv: stream.Conn().RemoteMultiaddr().String(),
}
err = protocol.WriteStream(req, stream)
if err != nil {
log.Error("queryVersion", "WriteStream err", err)
return err
}
var resp types.P2PVersion
err = protocol.ReadStream(&resp, stream)
if err != nil {
log.Error("queryVersion", "ReadStream err", err)
return err
}
addr := resp.GetAddrRecv()
p.setExternalAddr(addr)
if ip, _ := parseIPAndPort(resp.GetAddrFrom()); utils.IsPublicIP(ip) {
remoteMAddr, err := multiaddr.NewMultiaddr(resp.GetAddrFrom())
if err != nil {
return err
}
p.Host.Peerstore().AddAddr(pid, remoteMAddr, time.Hour*12)
}
return nil
}
func (p *Protocol) setExternalAddr(addr string) {
ip, _ := parseIPAndPort(addr)
if utils.IsPublicIP(ip) {
p.mutex.Lock()
p.externalAddr = addr
p.mutex.Unlock()
ma, _ := multiaddr.NewMultiaddr(addr)
p.Host.Peerstore().AddAddr(p.Host.ID(), ma, time.Hour*24)
}
}
func (p *Protocol) getExternalAddr() string {
p.mutex.Lock()
defer p.mutex.Unlock()
return p.externalAddr
}
func (p *Protocol) getPublicIP() string {
ip, _ := parseIPAndPort(p.getExternalAddr())
return ip
}
func (p *Protocol) containsPublicIP(pid peer.ID) bool {
for _, maddr := range p.Host.Peerstore().Addrs(pid) {
if ip, _ := parseIPAndPort(maddr.String()); utils.IsPublicIP(ip) {
return true
}
}
return false
}
func parseIPAndPort(multiAddr string) (ip string, port int) {
split := strings.Split(multiAddr, "/")
if len(split) < 5 {
return
}
port, err := strconv.Atoi(split[4])
if err != nil {
return
}
ip = split[2]
return
}
func (p *Protocol) checkBlocked() {
var check = time.NewTicker(time.Second * 10)
defer check.Stop()
for {
select {
case <-p.Ctx.Done():
return
case <-check.C:
msg := p.QueueClient.NewMessage(blockchain, types.EventGetLastHeader, nil)
err := p.QueueClient.Send(msg, true)
if err != nil {
continue
}
resp, err := p.QueueClient.WaitTimeout(msg, time.Second)
if err != nil {
log.Error("checkBlocked EventGetLastHeader", "blockchain WaitTimeout", err)
continue
}
header := resp.Data.(*types.Header)
var storeInfo lastBlock
storeInfo.LastScene = time.Now()
storeInfo.Height = header.GetHeight()
p.latestBlock.Store(latestTag, &storeInfo)
if info, ok := p.latestBlock.Load(highestTag); ok {
preMaxHigh := info.(*lastBlock)
if header.GetHeight() > preMaxHigh.Height {
preMaxHigh.Height = header.GetHeight()
preMaxHigh.LastScene = storeInfo.LastScene
atomic.StoreInt32(&p.blocked, 0)
continue
}
if storeInfo.LastScene.Sub(preMaxHigh.LastScene) > time.Minute { //1分钟高度没有更新
atomic.StoreInt32(&p.blocked, 1)
}
}
}
}
}
func (p *Protocol) getBlocked() bool {
return atomic.LoadInt32(&p.blocked) == 1
}