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implement the new mDNS spec, run both implementations in parallel #1125

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implement the new mDNS spec, run both implementations in parallel #1125

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c5d9037
rename the existing mdns service to legacy mdns service
marten-seemann Jun 4, 2021
75c0e25
run both mDNS services in parallel
marten-seemann Jul 6, 2021
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6 changes: 3 additions & 3 deletions examples/chat-with-mdns/mdns.go
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Original file line number Diff line number Diff line change
Expand Up @@ -13,15 +13,15 @@ type discoveryNotifee struct {
PeerChan chan peer.AddrInfo
}

//interface to be called when new peer is found
// interface to be called when new peer is found
func (n *discoveryNotifee) HandlePeerFound(pi peer.AddrInfo) {
n.PeerChan <- pi
}

//Initialize the MDNS service
// Initialize the MDNS service
func initMDNS(ctx context.Context, peerhost host.Host, rendezvous string) chan peer.AddrInfo {
// An hour might be a long long period in practical applications. But this is fine for us
ser, err := discovery.NewMdnsService(ctx, peerhost, time.Hour, rendezvous)
ser, err := discovery.NewMdnsService(ctx, peerhost, time.Hour)
if err != nil {
panic(err)
}
Expand Down
5 changes: 5 additions & 0 deletions examples/go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,10 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/cenkalti/backoff/v4 v4.1.1 h1:G2HAfAmvm/GcKan2oOQpBXOd2tT2G57ZnZGWa1PxPBQ=
github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
Expand Down Expand Up @@ -486,6 +489,8 @@ github.com/libp2p/go-yamux v1.4.1 h1:P1Fe9vF4th5JOxxgQvfbOHkrGqIZniTLf+ddhZp8YTI
github.com/libp2p/go-yamux v1.4.1/go.mod h1:fr7aVgmdNGJK+N1g+b6DW6VxzbRCjCOejR/hkmpooHE=
github.com/libp2p/go-yamux/v2 v2.2.0 h1:RwtpYZ2/wVviZ5+3pjC8qdQ4TKnrak0/E01N1UWoAFU=
github.com/libp2p/go-yamux/v2 v2.2.0/go.mod h1:3So6P6TV6r75R9jiBpiIKgU/66lOarCZjqROGxzPpPQ=
github.com/libp2p/zeroconf/v2 v2.0.0 h1:qYAHAqUVh4hMSfu+iDTZNqH07wLGAvb1+DW4Tx/qUoQ=
github.com/libp2p/zeroconf/v2 v2.0.0/go.mod h1:J85R/d9joD8u8F9aHM8pBXygtG9W02enEwS+wWeL6yo=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lucas-clemente/quic-go v0.21.2 h1:8LqqL7nBQFDUINadW0fHV/xSaCQJgmJC0Gv+qUnjd78=
Expand Down
4 changes: 2 additions & 2 deletions examples/ipfs-camp-2019/06-Pubsub/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ import (
tls "github.com/libp2p/go-libp2p-tls"
yamux "github.com/libp2p/go-libp2p-yamux"
"github.com/libp2p/go-libp2p/p2p/discovery"
tcp "github.com/libp2p/go-tcp-transport"
"github.com/libp2p/go-tcp-transport"
ws "github.com/libp2p/go-ws-transport"
"github.com/multiformats/go-multiaddr"
)
Expand Down Expand Up @@ -102,7 +102,7 @@ func main() {
fmt.Println("Connected to", targetInfo.ID)
}

mdns, err := discovery.NewMdnsService(ctx, host, time.Second*10, "")
mdns, err := discovery.NewMdnsService(ctx, host, time.Second*10)
if err != nil {
panic(err)
}
Expand Down
2 changes: 1 addition & 1 deletion examples/ipfs-camp-2019/07-Messaging/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ func main() {

fmt.Println("Connected to", targetInfo.ID)

mdns, err := discovery.NewMdnsService(ctx, host, time.Second*10, "")
mdns, err := discovery.NewMdnsService(ctx, host, time.Second*10)
if err != nil {
panic(err)
}
Expand Down
2 changes: 1 addition & 1 deletion examples/ipfs-camp-2019/08-End/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ func main() {

fmt.Println("Connected to", targetInfo.ID)

mdns, err := discovery.NewMdnsService(ctx, host, time.Second*10, "")
mdns, err := discovery.NewMdnsService(ctx, host, time.Second*10)
if err != nil {
panic(err)
}
Expand Down
5 changes: 5 additions & 0 deletions examples/ipfs-camp-2019/go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,10 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/cenkalti/backoff/v4 v4.1.1 h1:G2HAfAmvm/GcKan2oOQpBXOd2tT2G57ZnZGWa1PxPBQ=
github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
Expand Down Expand Up @@ -490,6 +493,8 @@ github.com/libp2p/go-yamux v1.4.1 h1:P1Fe9vF4th5JOxxgQvfbOHkrGqIZniTLf+ddhZp8YTI
github.com/libp2p/go-yamux v1.4.1/go.mod h1:fr7aVgmdNGJK+N1g+b6DW6VxzbRCjCOejR/hkmpooHE=
github.com/libp2p/go-yamux/v2 v2.2.0 h1:RwtpYZ2/wVviZ5+3pjC8qdQ4TKnrak0/E01N1UWoAFU=
github.com/libp2p/go-yamux/v2 v2.2.0/go.mod h1:3So6P6TV6r75R9jiBpiIKgU/66lOarCZjqROGxzPpPQ=
github.com/libp2p/zeroconf/v2 v2.0.0 h1:qYAHAqUVh4hMSfu+iDTZNqH07wLGAvb1+DW4Tx/qUoQ=
github.com/libp2p/zeroconf/v2 v2.0.0/go.mod h1:J85R/d9joD8u8F9aHM8pBXygtG9W02enEwS+wWeL6yo=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lucas-clemente/quic-go v0.21.2 h1:8LqqL7nBQFDUINadW0fHV/xSaCQJgmJC0Gv+qUnjd78=
Expand Down
5 changes: 5 additions & 0 deletions examples/pubsub/chat/go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,10 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/cenkalti/backoff/v4 v4.1.1 h1:G2HAfAmvm/GcKan2oOQpBXOd2tT2G57ZnZGWa1PxPBQ=
github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
Expand Down Expand Up @@ -450,6 +453,8 @@ github.com/libp2p/go-yamux v1.4.1 h1:P1Fe9vF4th5JOxxgQvfbOHkrGqIZniTLf+ddhZp8YTI
github.com/libp2p/go-yamux v1.4.1/go.mod h1:fr7aVgmdNGJK+N1g+b6DW6VxzbRCjCOejR/hkmpooHE=
github.com/libp2p/go-yamux/v2 v2.2.0 h1:RwtpYZ2/wVviZ5+3pjC8qdQ4TKnrak0/E01N1UWoAFU=
github.com/libp2p/go-yamux/v2 v2.2.0/go.mod h1:3So6P6TV6r75R9jiBpiIKgU/66lOarCZjqROGxzPpPQ=
github.com/libp2p/zeroconf/v2 v2.0.0 h1:qYAHAqUVh4hMSfu+iDTZNqH07wLGAvb1+DW4Tx/qUoQ=
github.com/libp2p/zeroconf/v2 v2.0.0/go.mod h1:J85R/d9joD8u8F9aHM8pBXygtG9W02enEwS+wWeL6yo=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lucas-clemente/quic-go v0.21.2 h1:8LqqL7nBQFDUINadW0fHV/xSaCQJgmJC0Gv+qUnjd78=
Expand Down
2 changes: 1 addition & 1 deletion examples/pubsub/chat/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,7 @@ func (n *discoveryNotifee) HandlePeerFound(pi peer.AddrInfo) {
// This lets us automatically discover peers on the same LAN and connect to them.
func setupDiscovery(ctx context.Context, h host.Host) error {
// setup mDNS discovery to find local peers
disc, err := discovery.NewMdnsService(ctx, h, DiscoveryInterval, DiscoveryServiceTag)
disc, err := discovery.NewMdnsService(ctx, h, DiscoveryInterval)
if err != nil {
return err
}
Expand Down
1 change: 1 addition & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ require (
github.com/libp2p/go-stream-muxer-multistream v0.3.0
github.com/libp2p/go-tcp-transport v0.2.7
github.com/libp2p/go-ws-transport v0.5.0
github.com/libp2p/zeroconf/v2 v2.0.0
github.com/multiformats/go-multiaddr v0.4.0
github.com/multiformats/go-multiaddr-dns v0.3.1
github.com/multiformats/go-multistream v0.2.2
Expand Down
5 changes: 5 additions & 0 deletions go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,10 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/cenkalti/backoff/v4 v4.1.1 h1:G2HAfAmvm/GcKan2oOQpBXOd2tT2G57ZnZGWa1PxPBQ=
github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
Expand Down Expand Up @@ -523,6 +526,8 @@ github.com/libp2p/go-yamux v1.4.1 h1:P1Fe9vF4th5JOxxgQvfbOHkrGqIZniTLf+ddhZp8YTI
github.com/libp2p/go-yamux v1.4.1/go.mod h1:fr7aVgmdNGJK+N1g+b6DW6VxzbRCjCOejR/hkmpooHE=
github.com/libp2p/go-yamux/v2 v2.2.0 h1:RwtpYZ2/wVviZ5+3pjC8qdQ4TKnrak0/E01N1UWoAFU=
github.com/libp2p/go-yamux/v2 v2.2.0/go.mod h1:3So6P6TV6r75R9jiBpiIKgU/66lOarCZjqROGxzPpPQ=
github.com/libp2p/zeroconf/v2 v2.0.0 h1:qYAHAqUVh4hMSfu+iDTZNqH07wLGAvb1+DW4Tx/qUoQ=
github.com/libp2p/zeroconf/v2 v2.0.0/go.mod h1:J85R/d9joD8u8F9aHM8pBXygtG9W02enEwS+wWeL6yo=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lucas-clemente/quic-go v0.21.2 h1:8LqqL7nBQFDUINadW0fHV/xSaCQJgmJC0Gv+qUnjd78=
Expand Down
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