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Trigger Autorelay on NAT events #807

Merged
merged 12 commits into from
Mar 20, 2020
Merged

Trigger Autorelay on NAT events #807

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f5386bd
autorelay triggers on NAT events
willscott Feb 27, 2020
85a83ed
defer subscription closes
willscott Feb 27, 2020
0458b76
update to changed event structure
willscott Mar 5, 2020
89c193e
Merge branch 'master' into feat/autorelay
willscott Mar 10, 2020
8008b5d
update autorelay to remove dependence on autonat
willscott Mar 16, 2020
1921bc2
autonat startup within libp2p config
willscott Mar 17, 2020
8037ce2
generation of dialer host when needed
willscott Mar 17, 2020
69b1648
properly filter nat addresses
willscott Mar 17, 2020
e55690c
Merge branch 'master' of github.com:libp2p/go-libp2p into feat/autorelay
willscott Mar 17, 2020
dd87382
update to latest autonat
willscott Mar 17, 2020
685ba00
update to current autonat interface
willscott Mar 19, 2020
3d4e8d8
Merge branch 'master' of github.com:libp2p/go-libp2p into feat/autorelay
willscott Mar 20, 2020
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9 changes: 9 additions & 0 deletions config/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import (
relay "github.com/libp2p/go-libp2p/p2p/host/relay"
routed "github.com/libp2p/go-libp2p/p2p/host/routed"

autonat "github.com/libp2p/go-libp2p-autonat"
circuit "github.com/libp2p/go-libp2p-circuit"
discovery "github.com/libp2p/go-libp2p-discovery"
swarm "github.com/libp2p/go-libp2p-swarm"
Expand Down Expand Up @@ -76,6 +77,7 @@ type Config struct {
Routing RoutingC

EnableAutoRelay bool
AutoNATOpts []autonat.Option
StaticRelays []peer.AddrInfo
}

Expand Down Expand Up @@ -201,6 +203,13 @@ func (cfg *Config) NewNode(ctx context.Context) (host.Host, error) {
}
}

if cfg.EnableAutoRelay || cfg.AutoNATOpts != nil {
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if _, err = autonat.New(ctx, h, cfg.AutoNATOpts...); err != nil {
h.Close()
return nil, fmt.Errorf("cannot enable autorelay; autonat failed to start: %v", err)
}
}

if cfg.EnableAutoRelay {
if !cfg.Relay {
h.Close()
Expand Down
7 changes: 2 additions & 5 deletions go.mod
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -29,15 +29,12 @@ require (
github.com/libp2p/go-stream-muxer-multistream v0.2.0
github.com/libp2p/go-tcp-transport v0.1.1
github.com/libp2p/go-ws-transport v0.2.0
github.com/miekg/dns v1.1.12 // indirect
github.com/miekg/dns v1.1.28 // indirect
github.com/multiformats/go-multiaddr v0.2.1
github.com/multiformats/go-multiaddr-dns v0.2.0
github.com/multiformats/go-multiaddr-net v0.1.2
github.com/multiformats/go-multiaddr-net v0.1.3
github.com/multiformats/go-multistream v0.1.1
github.com/whyrusleeping/mdns v0.0.0-20190826153040-b9b60ed33aa9
golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d // indirect
golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae // indirect
)

go 1.12
31 changes: 15 additions & 16 deletions go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@ github.com/gxed/hashland/murmur3 v0.0.1/go.mod h1:KjXop02n4/ckmZSnY2+HKcLud/tcmv
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+dAcgU=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
Expand All @@ -87,19 +88,15 @@ github.com/ipfs/go-cid v0.0.4/go.mod h1:4LLaPOQwmk5z9LBgQnpkivrx8BJjUyGwTXCd5Xfj
github.com/ipfs/go-cid v0.0.5 h1:o0Ix8e/ql7Zb5UVUJEUfjsWCIY8t48++9lR8qi6oiJU=
github.com/ipfs/go-cid v0.0.5/go.mod h1:plgt+Y5MnOey4vO4UlUazGqdbEXuFYitED67FexhXog=
github.com/ipfs/go-datastore v0.0.1/go.mod h1:d4KVXhMt913cLBEI/PXAy6ko+W7e9AhyAKBGh803qeE=
github.com/ipfs/go-datastore v0.1.0/go.mod h1:d4KVXhMt913cLBEI/PXAy6ko+W7e9AhyAKBGh803qeE=
github.com/ipfs/go-datastore v0.1.1/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
github.com/ipfs/go-datastore v0.4.0/go.mod h1:SX/xMIKoCszPqp+z9JhPYCmoOoXTvaa13XEbGtsFUhA=
github.com/ipfs/go-datastore v0.4.1/go.mod h1:SX/xMIKoCszPqp+z9JhPYCmoOoXTvaa13XEbGtsFUhA=
github.com/ipfs/go-datastore v0.4.4/go.mod h1:SX/xMIKoCszPqp+z9JhPYCmoOoXTvaa13XEbGtsFUhA=
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-ds-badger v0.0.2/go.mod h1:Y3QpeSFWQf6MopLTiZD+VT6IC1yZqaGmjvRcKeSGij8=
github.com/ipfs/go-ds-badger v0.0.5/go.mod h1:g5AuuCGmr7efyzQhLL8MzwqcauPojGPUaHzfGTzuE3s=
github.com/ipfs/go-ds-badger v0.0.7/go.mod h1:qt0/fWzZDoPW6jpQeqUjR5kBfhDNB65jd9YlmAvpQBk=
github.com/ipfs/go-ds-badger v0.2.1/go.mod h1:Tx7l3aTph3FMFrRS838dcSJh+jjA7cX9DrGVwx/NOwE=
github.com/ipfs/go-ds-leveldb v0.0.1/go.mod h1:feO8V3kubwsEF22n0YRQCffeb79OOYIykR4L04tMOYc=
github.com/ipfs/go-ds-leveldb v0.1.0/go.mod h1:hqAW8y4bwX5LWcCtku2rFNX3vjDZCy5LZCg+cSZvYb8=
github.com/ipfs/go-ds-leveldb v0.4.1/go.mod h1:jpbku/YqBSsBc1qgME8BkWS4AxzF2cEu1Ii2r79Hh9s=
github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
github.com/ipfs/go-ipfs-util v0.0.1 h1:Wz9bL2wB2YBJqggkA4dD7oSmqB4cAnpNbGrlHJulv50=
Expand Down Expand Up @@ -191,8 +188,6 @@ github.com/libp2p/go-libp2p-peer v0.2.0/go.mod h1:RCffaCvUyW2CJmG2gAWVqwePwW7JMg
github.com/libp2p/go-libp2p-peerstore v0.1.0/go.mod h1:2CeHkQsr8svp4fZ+Oi9ykN1HBb6u0MOvdJ7YIsmcwtY=
github.com/libp2p/go-libp2p-peerstore v0.1.3 h1:wMgajt1uM2tMiqf4M+4qWKVyyFc8SfA+84VV9glZq1M=
github.com/libp2p/go-libp2p-peerstore v0.1.3/go.mod h1:BJ9sHlm59/80oSkpWgr1MyY1ciXAXV397W6h1GH/uKI=
github.com/libp2p/go-libp2p-peerstore v0.1.4 h1:d23fvq5oYMJ/lkkbO4oTwBp/JP+I/1m5gZJobNXCE/k=
github.com/libp2p/go-libp2p-peerstore v0.1.4/go.mod h1:+4BDbDiiKf4PzpANZDAT+knVdLxvqh7hXOujessqdzs=
github.com/libp2p/go-libp2p-peerstore v0.2.0 h1:XcgJhI8WyUOCbHyRLNEX5542YNj8hnLSJ2G1InRjDhk=
github.com/libp2p/go-libp2p-peerstore v0.2.0/go.mod h1:N2l3eVIeAitSg3Pi2ipSrJYnqhVnMNQZo9nkSCuAbnQ=
github.com/libp2p/go-libp2p-pnet v0.2.0 h1:J6htxttBipJujEjz1y0a5+eYoiPcFHhSYHH6na5f0/k=
Expand All @@ -219,8 +214,6 @@ github.com/libp2p/go-libp2p-transport-upgrader v0.1.1/go.mod h1:IEtA6or8JUbsV07q
github.com/libp2p/go-libp2p-transport-upgrader v0.2.0 h1:5EhPgQhXZNyfL22ERZTUoVp9UVVbNowWNVtELQaKCHk=
github.com/libp2p/go-libp2p-transport-upgrader v0.2.0/go.mod h1:mQcrHj4asu6ArfSoMuyojOdjx73Q47cYD7s5+gZOlns=
github.com/libp2p/go-libp2p-yamux v0.2.0/go.mod h1:Db2gU+XfLpm6E4rG5uGCFX6uXA8MEXOxFcRoXUODaK8=
github.com/libp2p/go-libp2p-yamux v0.2.1 h1:Q3XYNiKCC2vIxrvUJL+Jg1kiyeEaIDNKLjgEjo3VQdI=
github.com/libp2p/go-libp2p-yamux v0.2.1/go.mod h1:1FBXiHDk1VyRM1C0aez2bCfHQ4vMZKkAQzZbkSQt5fI=
github.com/libp2p/go-libp2p-yamux v0.2.2 h1:eGvbqWqWY9S5lrpe2gA0UCOLCdzCgYSAR3vo/xCsNQg=
github.com/libp2p/go-libp2p-yamux v0.2.2/go.mod h1:lIohaR0pT6mOt0AZ0L2dFze9hds9Req3OfS+B+dv4qw=
github.com/libp2p/go-maddr-filter v0.0.4/go.mod h1:6eT12kSQMA9x2pvFQa+xesMKUBlj9VImZbj3B9FBH/Q=
Expand Down Expand Up @@ -257,8 +250,6 @@ github.com/libp2p/go-tcp-transport v0.1.1/go.mod h1:3HzGvLbx6etZjnFlERyakbaYPdfj
github.com/libp2p/go-ws-transport v0.2.0 h1:MJCw2OrPA9+76YNRvdo1wMnSOxb9Bivj6sVFY1Xrj6w=
github.com/libp2p/go-ws-transport v0.2.0/go.mod h1:9BHJz/4Q5A9ludYWKoGCFC5gUElzlHoKzu0yY9p/klM=
github.com/libp2p/go-yamux v1.2.2/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
github.com/libp2p/go-yamux v1.2.3 h1:xX8A36vpXb59frIzWFdEgptLMsOANMFq2K7fPRlunYI=
github.com/libp2p/go-yamux v1.2.3/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
github.com/libp2p/go-yamux v1.3.0 h1:FsYzT16Wq2XqUGJsBbOxoz9g+dFklvNi7jN6YFPfl7U=
github.com/libp2p/go-yamux v1.3.0/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
Expand All @@ -271,8 +262,8 @@ github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNx
github.com/mattn/go-isatty v0.0.5 h1:tHXDdz1cpzGaovsTB+TVB8q90WEokoVmfMqoVcrLUgw=
github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
github.com/miekg/dns v1.1.12 h1:WMhc1ik4LNkTg8U9l3hI1LvxKmIL+f1+WV/SZtCbDDA=
github.com/miekg/dns v1.1.12/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
github.com/miekg/dns v1.1.28 h1:gQhy5bsJa8zTlVI8lywCTZp1lguor+xevFoYlzeCTQY=
github.com/miekg/dns v1.1.28/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1 h1:lYpkrQH5ajf0OXOcUbGjvZxxijuBwbbmlSxLiuofa+g=
github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1/go.mod h1:pD8RvIylQ358TN4wwqatJ8rNavkEINozVn9DtGI3dfQ=
github.com/minio/sha256-simd v0.0.0-20190131020904-2d45a736cd16/go.mod h1:2FMWW+8GMoPweT6+pI63m9YE3Lmw4J71hV56Chs1E/U=
Expand Down Expand Up @@ -320,6 +311,8 @@ github.com/multiformats/go-multiaddr-net v0.1.1 h1:jFFKUuXTXv+3ARyHZi3XUqQO+YWMK
github.com/multiformats/go-multiaddr-net v0.1.1/go.mod h1:5JNbcfBOP4dnhoZOv10JJVkJO0pCCEf8mTnipAo2UZQ=
github.com/multiformats/go-multiaddr-net v0.1.2 h1:P7zcBH9FRETdPkDrylcXVjQLQ2t1JQtNItZULWNWgeg=
github.com/multiformats/go-multiaddr-net v0.1.2/go.mod h1:QsWt3XK/3hwvNxZJp92iMQKME1qHfpYmyIjFVsSOY6Y=
github.com/multiformats/go-multiaddr-net v0.1.3 h1:q/IYAvoPKuRzGeERn3uacWgm0LIWkLZBAvO5DxSzq3g=
github.com/multiformats/go-multiaddr-net v0.1.3/go.mod h1:ilNnaM9HbmVFqsb/qcNysjCu4PVONlrBZpHIrw/qQuA=
github.com/multiformats/go-multibase v0.0.1 h1:PN9/v21eLywrFWdFNsFKaU04kLJzuYzmrJR+ubhT9qA=
github.com/multiformats/go-multibase v0.0.1/go.mod h1:bja2MqRZ3ggyXtZSEDKpl0uO/gviWFaSteVbWT51qgs=
github.com/multiformats/go-multihash v0.0.1/go.mod h1:w/5tugSrLEbWqlcgJabL3oHFKTwfvkofsjW2Qa1ct4U=
Expand Down Expand Up @@ -359,6 +352,7 @@ github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt
github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
Expand Down Expand Up @@ -430,12 +424,11 @@ golang.org/x/crypto v0.0.0-20190618222545-ea8f1a30c443 h1:IcSOAf4PyMp3U3XbIEj1/x
golang.org/x/crypto v0.0.0-20190618222545-ea8f1a30c443/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d h1:1ZiEyfaQIg3Qh0EoqpwAakHVhecoE5wlSg5GjnafJGw=
golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
Expand All @@ -446,6 +439,8 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478 h1:l5EDrHhldLYb3ZRHDUhXF7Om7MvYXnkV9/iQNo1lX6g=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
Expand All @@ -465,11 +460,11 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb h1:fgwFCsaw9buMuxNd6+DQfAuSFqbNiQZpcgJQAgJsK6k=
golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e h1:N7DeIrjYszNmSW409R3frPPwglRwMkXSBzwVbkOjLLA=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 h1:LfCXLvNmTYH9kEmVgqbnsWfruoXZIrh4YBgqVHtDvw0=
golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8=
golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
Expand All @@ -482,8 +477,11 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd h1:/e+gpKk9r3dJobndpTytxS2gOy6m5uvpg+ISQoEcusQ=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
Expand All @@ -495,6 +493,7 @@ google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiq
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
Expand Down
68 changes: 28 additions & 40 deletions p2p/host/relay/autorelay.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,11 +7,11 @@ import (
"sync"
"time"

"github.com/libp2p/go-libp2p-core/event"
"github.com/libp2p/go-libp2p-core/network"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p-core/routing"

autonat "github.com/libp2p/go-libp2p-autonat"
circuit "github.com/libp2p/go-libp2p-circuit"
discovery "github.com/libp2p/go-libp2p-discovery"
basic "github.com/libp2p/go-libp2p/p2p/host/basic"
Expand Down Expand Up @@ -42,7 +42,6 @@ type AutoRelay struct {
host *basic.BasicHost
discover discovery.Discoverer
router routing.PeerRouting
autonat autonat.AutoNAT
addrsF basic.AddrsFactory

static []peer.AddrInfo
Expand All @@ -51,7 +50,7 @@ type AutoRelay struct {

mx sync.Mutex
relays map[peer.ID]struct{}
status autonat.NATStatus
status network.Reachability

cachedAddrs []ma.Multiaddr
cachedAddrsExpiry time.Time
Expand All @@ -66,58 +65,55 @@ func NewAutoRelay(ctx context.Context, bhost *basic.BasicHost, discover discover
static: static,
relays: make(map[peer.ID]struct{}),
disconnect: make(chan struct{}, 1),
status: autonat.NATStatusUnknown,
status: network.ReachabilityUnknown,
}
ar.autonat = autonat.NewAutoNAT(ctx, bhost, ar.baseAddrs)
bhost.AddrsFactory = ar.hostAddrs
bhost.Network().Notify(ar)
go ar.background(ctx)
return ar
}

func (ar *AutoRelay) baseAddrs() []ma.Multiaddr {
return ar.addrsF(ar.host.AllAddrs())
}

func (ar *AutoRelay) hostAddrs(addrs []ma.Multiaddr) []ma.Multiaddr {
return ar.relayAddrs(ar.addrsF(addrs))
}

func (ar *AutoRelay) background(ctx context.Context) {
select {
case <-time.After(autonat.AutoNATBootDelay + BootDelay):
case <-ctx.Done():
return
}
subReachability, _ := ar.host.EventBus().Subscribe(new(event.EvtLocalReachabilityChanged))
defer subReachability.Close()

// when true, we need to identify push
push := false

for {
wait := autonat.AutoNATRefreshInterval
switch ar.autonat.Status() {
case autonat.NATStatusUnknown:
ar.mx.Lock()
ar.status = autonat.NATStatusUnknown
ar.mx.Unlock()
wait = autonat.AutoNATRetryInterval
select {
case ev, ok := <-subReachability.Out():
if !ok {
return
}
evt, ok := ev.(event.EvtLocalReachabilityChanged)
if !ok {
return
}

case autonat.NATStatusPublic:
ar.mx.Lock()
if ar.status != autonat.NATStatusPublic {
push = true
var update bool
if evt.Reachability == network.ReachabilityPrivate {
// TODO: this is a long-lived (2.5min task) that should get spun up in a separate thread
// and canceled if the relay learns the nat is now public.
update = ar.findRelays(ctx)
}
ar.status = autonat.NATStatusPublic
ar.mx.Unlock()

case autonat.NATStatusPrivate:
update := ar.findRelays(ctx)
ar.mx.Lock()
if update || ar.status != autonat.NATStatusPrivate {
if ar.status != evt.Reachability && evt.Reachability != network.ReachabilityUnknown {
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push = true
} else if update {
push = true
}
ar.status = autonat.NATStatusPrivate
ar.status = evt.Reachability
ar.mx.Unlock()
case <-ar.disconnect:
push = true
case <-ctx.Done():
return
}

if push {
Expand All @@ -127,14 +123,6 @@ func (ar *AutoRelay) background(ctx context.Context) {
push = false
ar.host.PushIdentify()
}

select {
case <-ar.disconnect:
push = true
case <-time.After(wait):
case <-ctx.Done():
return
}
}
}

Expand Down Expand Up @@ -283,7 +271,7 @@ func (ar *AutoRelay) relayAddrs(addrs []ma.Multiaddr) []ma.Multiaddr {
ar.mx.Lock()
defer ar.mx.Unlock()

if ar.status != autonat.NATStatusPrivate {
if ar.status != network.ReachabilityPrivate {
return addrs
}

Expand Down
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