refactor: 使用 netipx.IPSet 进行优化

This commit is contained in:
lynx
2023-08-02 15:39:44 +08:00
parent 27c8dbd4bf
commit 1932584e2e
3 changed files with 59 additions and 22 deletions

View File

@@ -22,6 +22,7 @@ import (
"github.com/libp2p/go-libp2p/p2p/discovery/routing"
"github.com/libp2p/go-libp2p/p2p/discovery/util"
"github.com/mr-tron/base58"
"go4.org/netipx"
)
const (
@@ -52,10 +53,10 @@ type Engine struct {
errChan chan error
routeTable struct {
m xsync.Map[peer.ID, []netip.Prefix]
prefix xsync.Map[netip.Prefix, peer.ID]
id xsync.Map[peer.ID, PacketChan]
addr xsync.Map[netip.Addr, PacketChan]
m xsync.Map[peer.ID, []netip.Prefix]
set xsync.Map[peer.ID, *netipx.IPSet]
id xsync.Map[peer.ID, PacketChan]
addr xsync.Map[netip.Addr, PacketChan]
}
}
@@ -72,15 +73,22 @@ func New(opt *Option) (*Engine, error) {
e.devReader = make(PacketChan, ChanSize)
e.relayChan = make(chan peer.AddrInfo, ChanSize)
e.routeTable.m = xsync.Map[peer.ID, []netip.Prefix]{}
e.routeTable.prefix = xsync.Map[netip.Prefix, peer.ID]{}
e.routeTable.set = xsync.Map[peer.ID, *netipx.IPSet]{}
e.routeTable.id = xsync.Map[peer.ID, PacketChan]{}
e.routeTable.addr = xsync.Map[netip.Addr, PacketChan]{}
for id, prefixes := range e.opt.PeersRouteTable {
e.routeTable.m.Store(id, prefixes)
b := netipx.IPSetBuilder{}
for _, prefix := range prefixes {
e.routeTable.prefix.Store(prefix, id)
b.AddPrefix(prefix)
}
set, err := b.IPSet()
if err != nil {
return nil, err
}
e.routeTable.set.Store(id, set)
}
node, err := libp2p.New(
@@ -149,7 +157,26 @@ func (e *Engine) Start() error {
e.log.Errorf(e.ctx, "Peer [%s] stream write error: %s", string(id), err)
}
}()
defer stream.Close()
defer func() {
stream.Close()
set, ok := e.routeTable.set.Load(id)
if !ok {
return
}
var addr []netip.Addr
e.routeTable.addr.Range(func(key netip.Addr, value PacketChan) bool {
if set.Contains(key) {
addr = append(addr, key)
}
return true
})
for _, a := range addr {
e.routeTable.addr.Delete(a)
}
}()
_, err = io.Copy(dev, stream)
if err != nil && err != io.EOF {
e.log.Errorf(e.ctx, "Peer [%s] stream read error: %s", string(id), err)
@@ -269,13 +296,14 @@ func (e *Engine) addConn(dst netip.Addr) (PacketChan, error) {
e.log.Debugf(e.ctx, "Try to connect to the corresponding node of %s", dst)
var conn PacketChan
e.routeTable.prefix.Range(func(prefix netip.Prefix, id peer.ID) bool {
e.routeTable.set.Range(func(id peer.ID, prefix *netipx.IPSet) bool {
if !prefix.Contains(dst) {
return true
}
if c, ok := e.routeTable.id.Load(id); ok {
conn = c
e.routeTable.addr.Store(dst, c)
return false
}
peerChan := make(chan Payload, ChanSize)

13
go.mod
View File

@@ -5,7 +5,9 @@ go 1.20
require (
github.com/gogf/gf/v2 v2.4.1
github.com/libp2p/go-libp2p v0.29.0
github.com/libp2p/go-libp2p-kad-dht v0.24.2
github.com/libp2p/go-libp2p-kad-dht v0.21.1
github.com/mr-tron/base58 v1.2.0
go4.org/netipx v0.0.0-20230728184502-ec4c8b891b28
golang.org/x/sys v0.10.0
)
@@ -28,19 +30,22 @@ require (
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
github.com/godbus/dbus/v5 v5.1.0 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/golang/mock v1.6.0 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/google/gopacket v1.1.19 // indirect
github.com/google/pprof v0.0.0-20230705174524-200ffdc848b8 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c // indirect
github.com/gorilla/websocket v1.5.0 // indirect
github.com/hashicorp/errwrap v1.1.0 // indirect
github.com/hashicorp/go-multierror v1.1.1 // indirect
github.com/hashicorp/golang-lru v0.5.4 // indirect
github.com/huin/goupnp v1.2.0 // indirect
github.com/ipfs/boxo v0.10.0 // indirect
github.com/ipfs/go-cid v0.4.1 // indirect
github.com/ipfs/go-datastore v0.6.0 // indirect
github.com/ipfs/go-ipfs-util v0.0.2 // indirect
github.com/ipfs/go-ipns v0.3.0 // indirect
github.com/ipfs/go-log v1.0.5 // indirect
github.com/ipfs/go-log/v2 v2.5.1 // indirect
github.com/ipld/go-ipld-prime v0.20.0 // indirect
@@ -54,7 +59,7 @@ require (
github.com/libp2p/go-cidranger v1.1.0 // indirect
github.com/libp2p/go-flow-metrics v0.1.0 // indirect
github.com/libp2p/go-libp2p-asn-util v0.3.0 // indirect
github.com/libp2p/go-libp2p-kbucket v0.6.3 // indirect
github.com/libp2p/go-libp2p-kbucket v0.6.0 // indirect
github.com/libp2p/go-libp2p-record v0.2.0 // indirect
github.com/libp2p/go-msgio v0.3.0 // indirect
github.com/libp2p/go-nat v0.2.0 // indirect
@@ -70,7 +75,6 @@ require (
github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
github.com/minio/sha256-simd v1.0.1 // indirect
github.com/mr-tron/base58 v1.2.0 // indirect
github.com/multiformats/go-base32 v0.1.0 // indirect
github.com/multiformats/go-base36 v0.2.0 // indirect
github.com/multiformats/go-multiaddr v0.10.1 // indirect
@@ -116,7 +120,6 @@ require (
golang.org/x/sync v0.3.0 // indirect
golang.org/x/text v0.11.0 // indirect
golang.org/x/tools v0.11.0 // indirect
gonum.org/v1/gonum v0.13.0 // indirect
google.golang.org/protobuf v1.30.0 // indirect
lukechampine.com/blake3 v1.2.1 // indirect
)

24
go.sum
View File

@@ -8,8 +8,8 @@ dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1
dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/toml v1.1.0 h1:ksErzDEI1khOiGPgpwuI7x2ebx/uXQNw7xJpn9Eq1+I=
github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
github.com/BurntSushi/toml v1.2.1 h1:9F2/+DoOYIOksmaJFPw1tGFy1eDnIJXg+UHjuD8lTak=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
github.com/benbjohnson/clock v1.3.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
@@ -92,6 +92,7 @@ github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -137,6 +138,7 @@ github.com/googleapis/gax-go v2.0.0+incompatible/go.mod h1:SFVmujtThgffbyetf+mdk
github.com/googleapis/gax-go/v2 v2.0.3/go.mod h1:LLvjysVCY1JZeum8Z6l8qUty8fiNwE08qbEPm1M08qg=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c h1:7lF+Vz0LqiRidnzC1Oq86fpX1q/iEv2KJdrCtttYjT4=
github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
@@ -152,8 +154,6 @@ github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+l
github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/huin/goupnp v1.2.0 h1:uOKW26NG1hsSSbXIZ1IR7XP9Gjd1U8pnLaCMgntmkmY=
github.com/huin/goupnp v1.2.0/go.mod h1:gnGPsThkYa7bFi/KWmEysQRf48l2dvR5bxr2OFckNX8=
github.com/ipfs/boxo v0.10.0 h1:tdDAxq8jrsbRkYoF+5Rcqyeb91hgWe2hp7iLu7ORZLY=
github.com/ipfs/boxo v0.10.0/go.mod h1:Fg+BnfxZ0RPzR0nOodzdIq3A7KgoWAOWsEIImrIQdBM=
github.com/ipfs/go-cid v0.4.1 h1:A/T3qGvxi4kpKWWcPC/PgbvDA2bjVLO7n4UeVwnbs/s=
github.com/ipfs/go-cid v0.4.1/go.mod h1:uQHwDeX4c6CtyrFwdqyhpNcxVewur1M7l7fNU7LKwZk=
github.com/ipfs/go-datastore v0.6.0 h1:JKyz+Gvz1QEZw0LsX1IBn+JFCJQH4SJVFtM4uWU0Myk=
@@ -161,6 +161,9 @@ github.com/ipfs/go-datastore v0.6.0/go.mod h1:rt5M3nNbSO/8q1t4LNkLyUwRs8HupMeN/8
github.com/ipfs/go-detect-race v0.0.1 h1:qX/xay2W3E4Q1U7d9lNs1sU9nvguX0a7319XbyQ6cOk=
github.com/ipfs/go-detect-race v0.0.1/go.mod h1:8BNT7shDZPo99Q74BpGMK+4D8Mn4j46UU0LZ723meps=
github.com/ipfs/go-ipfs-util v0.0.2 h1:59Sswnk1MFaiq+VcaknX7aYEyGyGDAA73ilhEK2POp8=
github.com/ipfs/go-ipfs-util v0.0.2/go.mod h1:CbPtkWJzjLdEcezDns2XYaehFVNXG9zrdrtMecczcsQ=
github.com/ipfs/go-ipns v0.3.0 h1:ai791nTgVo+zTuq2bLvEGmWP1M0A6kGTXUsgv/Yq67A=
github.com/ipfs/go-ipns v0.3.0/go.mod h1:3cLT2rbvgPZGkHJoPO1YMJeh6LtkxopCkKFcio/wE24=
github.com/ipfs/go-log v1.0.5 h1:2dOuUCB1Z7uoczMWgAyDck5JLb72zHzrMnGnCNNbvY8=
github.com/ipfs/go-log v1.0.5/go.mod h1:j0b8ZoR+7+R99LD9jZ6+AJsrzkPbSXbZfGakb5JPtIo=
github.com/ipfs/go-log/v2 v2.1.3/go.mod h1:/8d0SH3Su5Ooc31QlL1WysJhvyOTDCjcCZ9Axpmri6g=
@@ -206,10 +209,10 @@ github.com/libp2p/go-libp2p v0.29.0 h1:QduJ2XQr/Crg4EnloueWDL0Jj86N3Ezhyyj7XH+Xw
github.com/libp2p/go-libp2p v0.29.0/go.mod h1:iNKL7mEnZ9wAss+03IjAwM9ZAQXfVUAPUUmOACQfQ/g=
github.com/libp2p/go-libp2p-asn-util v0.3.0 h1:gMDcMyYiZKkocGXDQ5nsUQyquC9+H+iLEQHwOCZ7s8s=
github.com/libp2p/go-libp2p-asn-util v0.3.0/go.mod h1:B1mcOrKUE35Xq/ASTmQ4tN3LNzVVaMNmq2NACuqyB9w=
github.com/libp2p/go-libp2p-kad-dht v0.24.2 h1:zd7myKBKCmtZBhI3I0zm8xBkb28v3gmSEtQfBdAdFwc=
github.com/libp2p/go-libp2p-kad-dht v0.24.2/go.mod h1:BShPzRbK6+fN3hk8a0WGAYKpb8m4k+DtchkqouGTrSg=
github.com/libp2p/go-libp2p-kbucket v0.6.3 h1:p507271wWzpy2f1XxPzCQG9NiN6R6lHL9GiSErbQQo0=
github.com/libp2p/go-libp2p-kbucket v0.6.3/go.mod h1:RCseT7AH6eJWxxk2ol03xtP9pEHetYSPXOaJnOiD8i0=
github.com/libp2p/go-libp2p-kad-dht v0.21.1 h1:xpfp8/t9+X2ip1l8Umap1/UGNnJ3RHJgKGAEsnRAlTo=
github.com/libp2p/go-libp2p-kad-dht v0.21.1/go.mod h1:Oy8wvbdjpB70eS5AaFaI68tOtrdo3KylTvXDjikxqFo=
github.com/libp2p/go-libp2p-kbucket v0.6.0 h1:1uyqIdE6X7ihtbNg+vRc9EQEmZPEBaehvJ2W14rUrRQ=
github.com/libp2p/go-libp2p-kbucket v0.6.0/go.mod h1:efnPrfoP+WT/ONcC5eB0iADCDIJFXauXhylgJYO+VWw=
github.com/libp2p/go-libp2p-record v0.2.0 h1:oiNUOCWno2BFuxt3my4i1frNrt7PerzB3queqa1NkQ0=
github.com/libp2p/go-libp2p-record v0.2.0/go.mod h1:I+3zMkvvg5m2OcSdoL0KPljyJyvNDFGKX7QdlpYUcwk=
github.com/libp2p/go-libp2p-testing v0.12.0 h1:EPvBb4kKMWO29qP4mZGyhVzUyR25dvfUIK5WDu6iPUA=
@@ -260,6 +263,7 @@ github.com/minio/sha256-simd v1.0.1/go.mod h1:Pz6AKMiUdngCLpeTL/RJY1M9rUuPMYujV5
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/mr-tron/base58 v1.1.2/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
github.com/mr-tron/base58 v1.1.3/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
github.com/mr-tron/base58 v1.2.0 h1:T/HDJBh4ZCPbU39/+c3rRvE0uKBQlU27+QI8LJ4t64o=
github.com/mr-tron/base58 v1.2.0/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
github.com/multiformats/go-base32 v0.1.0 h1:pVx9xoSPqEIQG8o+UbAe7DNi51oej1NtK+aGkbLYxPE=
@@ -279,11 +283,13 @@ github.com/multiformats/go-multibase v0.2.0/go.mod h1:bFBZX4lKCA/2lyOFSAoKH5SS6o
github.com/multiformats/go-multicodec v0.9.0 h1:pb/dlPnzee/Sxv/j4PmkDRxCOi3hXTz3IbPKOXWJkmg=
github.com/multiformats/go-multicodec v0.9.0/go.mod h1:L3QTQvMIaVBkXOXXtVmYE+LI16i14xuaojr/H7Ai54k=
github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
github.com/multiformats/go-multihash v0.0.13/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc=
github.com/multiformats/go-multihash v0.2.3 h1:7Lyc8XfX/IY2jWb/gI7JP+o7JEq9hOa7BFvVU9RSh+U=
github.com/multiformats/go-multihash v0.2.3/go.mod h1:dXgKXCXjBzdscBLk9JkjINiEsCKRVch90MdaGiKsvSM=
github.com/multiformats/go-multistream v0.4.1 h1:rFy0Iiyn3YT0asivDUIR05leAdwZq3de4741sbiSdfo=
github.com/multiformats/go-multistream v0.4.1/go.mod h1:Mz5eykRVAjJWckE2U78c6xqdtyNUEhKSM0Lwar2p77Q=
github.com/multiformats/go-varint v0.0.1/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
github.com/multiformats/go-varint v0.0.5/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
github.com/multiformats/go-varint v0.0.7 h1:sWSGR+f/eu5ABZA2ZpYKBILXTTs9JWpdEM/nEGOHFS8=
github.com/multiformats/go-varint v0.0.7/go.mod h1:r8PUYw/fD/SjBCiKOoDlGF6QawOELpZAu9eioSos/OU=
github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86/go.mod h1:kHJEU3ofeGjhHklVoIGuVj85JJwZ6kWPaJwCIxgnFmo=
@@ -428,6 +434,8 @@ go.uber.org/zap v1.19.1/go.mod h1:j3DNczoxDZroyBnOT1L/Q79cfUMGZxlv/9dzN7SM1rI=
go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
go4.org/netipx v0.0.0-20230728184502-ec4c8b891b28 h1:zLxFnORHDFTSkJPawMU7LzsuGQJ4MUFS653jJHpORow=
go4.org/netipx v0.0.0-20230728184502-ec4c8b891b28/go.mod h1:TQvodOM+hJTioNQJilmLXu08JNb8i+ccq418+KWu1/Y=
golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -555,8 +563,6 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gonum.org/v1/gonum v0.13.0 h1:a0T3bh+7fhRyqeNbiC3qVHYmkiQgit3wnNan/2c0HMM=
gonum.org/v1/gonum v0.13.0/go.mod h1:/WPYRckkfWrhWefxyYTfrTtQR0KH4iyHNuzxqXAKyAU=
google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
google.golang.org/api v0.1.0/go.mod h1:UGEZY7KEX120AnNLIHFMKIo4obdJhkp2tPbaPlQx13Y=