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feat(relay): Add interface for relaying peers (#486)
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* feat(relay): add relay ORTC functionality

* feat(relay): keep all the logic on provider

* feat(relay): add sctp transport

* feat(relay): add se configuration

* feat(relay): add se configuration

* feat(relay): add datachannels to relaying peers

* feat(sfu): add outgoing relay

* feat(sfu): make relay configurable on peer join

* feat(relay): fix send signal not adding meta

* feat(relay): Send SR to relay peers

* fix(relay): send relay sender reports only

* fix(relay): send relay sender reports only

* fix(relay): rename relay peer to peer

* fix: Fix misc issues

* feat(relay): Include codec on receive callback

* fix(simulcast): Fix layer change
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@OrlandoCo
OrlandoCo authored Apr 9, 2021
1 parent 7be82ab commit 8c81aa2
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11 changes: 7 additions & 4 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -14,24 +14,27 @@ require (
github.com/improbable-eng/grpc-web v0.13.0
github.com/lucsky/cuid v1.0.2
github.com/pion/dtls/v2 v2.0.8
github.com/pion/ice/v2 v2.0.15
github.com/pion/ice/v2 v2.0.16
github.com/pion/ion-log v1.0.0
github.com/pion/logging v0.2.2
github.com/pion/rtcp v1.2.6
github.com/pion/rtp v1.6.2
github.com/pion/sdp/v3 v3.0.4
github.com/pion/transport v0.12.2
github.com/pion/transport v0.12.3
github.com/pion/turn/v2 v2.0.5
github.com/pion/webrtc/v3 v3.0.10
github.com/pion/udp v0.1.1 // indirect
github.com/pion/webrtc/v3 v3.0.20
github.com/prometheus/client_golang v1.9.0
github.com/rs/cors v1.7.0 // indirect
github.com/rs/zerolog v1.20.0
github.com/soheilhy/cmux v0.1.4
github.com/sourcegraph/jsonrpc2 v0.0.0-20200429184054-15c2290dcb37
github.com/spf13/viper v1.7.1
github.com/stretchr/testify v1.7.0
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 // indirect
golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c // indirect
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
golang.org/x/sys v0.0.0-20210217090653-ed5674b6da4a // indirect
golang.org/x/sys v0.0.0-20210331175145-43e1dd70ce54 // indirect
google.golang.org/grpc v1.35.0
google.golang.org/grpc/examples v0.0.0-20201209011439-fd32f6a4fefe // indirect
google.golang.org/protobuf v1.25.0
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28 changes: 28 additions & 0 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -292,14 +292,20 @@ github.com/pion/dtls/v2 v2.0.8 h1:reGe8rNIMfO/UAeFLqO61tl64t154Qfkr4U3Gzu1tsg=
github.com/pion/dtls/v2 v2.0.8/go.mod h1:QuDII+8FVvk9Dp5t5vYIMTo7hh7uBkra+8QIm7QGm10=
github.com/pion/ice/v2 v2.0.15 h1:KZrwa2ciL9od8+TUVJiYTNsCW9J5lktBjGwW1MacEnQ=
github.com/pion/ice/v2 v2.0.15/go.mod h1:ZIiVGevpgAxF/cXiIVmuIUtCb3Xs4gCzCbXB6+nFkSI=
github.com/pion/ice/v2 v2.0.16 h1:K6bzD8ef9vMKbGMTHaUweHXEyuNGnvr2zdqKoLKZPn0=
github.com/pion/ice/v2 v2.0.16/go.mod h1:SJNJzC27gDZoOW0UoxIoC8Hf2PDxG28hQyNdSexDu38=
github.com/pion/interceptor v0.0.9 h1:fk5hTdyLO3KURQsf/+RjMpEm4NE3yeTY9Kh97b5BvwA=
github.com/pion/interceptor v0.0.9/go.mod h1:dHgEP5dtxOTf21MObuBAjJeAayPxLUAZjerGH8Xr07c=
github.com/pion/interceptor v0.0.12 h1:eC1iVneBIAQJEfaNAfDqAncJWhMDAnaXPRCJsltdokE=
github.com/pion/interceptor v0.0.12/go.mod h1:qzeuWuD/ZXvPqOnxNcnhWfkCZ2e1kwwslicyyPnhoK4=
github.com/pion/ion-log v1.0.0 h1:2lJLImCmfCWCR38hLWsjQfBWe6NFz/htbqiYHwvOP/Q=
github.com/pion/ion-log v1.0.0/go.mod h1:jwcla9KoB9bB/4FxYDSRJPcPYSLp5XiUUMnOLaqwl4E=
github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
github.com/pion/mdns v0.0.4 h1:O4vvVqr4DGX63vzmO6Fw9vpy3lfztVWHGCQfyw0ZLSY=
github.com/pion/mdns v0.0.4/go.mod h1:R1sL0p50l42S5lJs91oNdUL58nm0QHrhxnSegr++qC0=
github.com/pion/mdns v0.0.5 h1:Q2oj/JB3NqfzY9xGZ1fPzZzK7sDSD8rZPOvcIQ10BCw=
github.com/pion/mdns v0.0.5/go.mod h1:UgssrvdD3mxpi8tMxAXbsppL3vJ4Jipw1mTCW+al01g=
github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
github.com/pion/rtcp v1.2.6 h1:1zvwBbyd0TeEuuWftrd/4d++m+/kZSeiguxU61LFWpo=
Expand All @@ -309,10 +315,14 @@ github.com/pion/rtp v1.6.2/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko
github.com/pion/sctp v1.7.10/go.mod h1:EhpTUQu1/lcK3xI+eriS6/96fWetHGCvBi9MSsnaBN0=
github.com/pion/sctp v1.7.11 h1:UCnj7MsobLKLuP/Hh+JMiI/6W5Bs/VF45lWKgHFjSIE=
github.com/pion/sctp v1.7.11/go.mod h1:EhpTUQu1/lcK3xI+eriS6/96fWetHGCvBi9MSsnaBN0=
github.com/pion/sctp v1.7.12 h1:GsatLufywVruXbZZT1CKg+Jr8ZTkwiPnmUC/oO9+uuY=
github.com/pion/sctp v1.7.12/go.mod h1:xFe9cLMZ5Vj6eOzpyiKjT9SwGM4KpK/8Jbw5//jc+0s=
github.com/pion/sdp/v3 v3.0.4 h1:2Kf+dgrzJflNCSw3TV5v2VLeI0s/qkzy2r5jlR0wzf8=
github.com/pion/sdp/v3 v3.0.4/go.mod h1:bNiSknmJE0HYBprTHXKPQ3+JjacTv5uap92ueJZKsRk=
github.com/pion/srtp/v2 v2.0.1 h1:kgfh65ob3EcnFYA4kUBvU/menCp9u7qaJLXwWgpobzs=
github.com/pion/srtp/v2 v2.0.1/go.mod h1:c8NWHhhkFf/drmHTAblkdu8++lsISEBBdAuiyxgqIsE=
github.com/pion/srtp/v2 v2.0.2 h1:664iGzVmaY7KYS5M0gleY0DscRo9ReDfTxQrq4UgGoU=
github.com/pion/srtp/v2 v2.0.2/go.mod h1:VEyLv4CuxrwGY8cxM+Ng3bmVy8ckz/1t6A0q/msKOw0=
github.com/pion/stun v0.3.5 h1:uLUCBCkQby4S1cf6CGuR9QrVOKcvUwFeemaC865QHDg=
github.com/pion/stun v0.3.5/go.mod h1:gDMim+47EeEtfWogA37n6qXZS88L5V6LqFcf+DZA2UA=
github.com/pion/transport v0.8.10/go.mod h1:tBmha/UCjpum5hqTWhfAEs3CO4/tHSg0MYRhSzR+CZ8=
Expand All @@ -321,12 +331,20 @@ github.com/pion/transport v0.10.1/go.mod h1:PBis1stIILMiis0PewDw91WJeLJkyIMcEk+D
github.com/pion/transport v0.12.1/go.mod h1:N3+vZQD9HlDP5GWkZ85LohxNsDcNgofQmyL6ojX5d8Q=
github.com/pion/transport v0.12.2 h1:WYEjhloRHt1R86LhUKjC5y+P52Y11/QqEUalvtzVoys=
github.com/pion/transport v0.12.2/go.mod h1:N3+vZQD9HlDP5GWkZ85LohxNsDcNgofQmyL6ojX5d8Q=
github.com/pion/transport v0.12.3 h1:vdBfvfU/0Wq8kd2yhUMSDB/x+O4Z9MYVl2fJ5BT4JZw=
github.com/pion/transport v0.12.3/go.mod h1:OViWW9SP2peE/HbwBvARicmAVnesphkNkCVZIWJ6q9A=
github.com/pion/turn/v2 v2.0.5 h1:iwMHqDfPEDEOFzwWKT56eFmh6DYC6o/+xnLAEzgISbA=
github.com/pion/turn/v2 v2.0.5/go.mod h1:APg43CFyt/14Uy7heYUOGWdkem/Wu4PhCO/bjyrTqMw=
github.com/pion/udp v0.1.0 h1:uGxQsNyrqG3GLINv36Ff60covYmfrLoxzwnCsIYspXI=
github.com/pion/udp v0.1.0/go.mod h1:BPELIjbwE9PRbd/zxI/KYBnbo7B6+oA6YuEaNE8lths=
github.com/pion/udp v0.1.1 h1:8UAPvyqmsxK8oOjloDk4wUt63TzFe9WEJkg5lChlj7o=
github.com/pion/udp v0.1.1/go.mod h1:6AFo+CMdKQm7UiA0eUPA8/eVCTx8jBIITLZHc9DWX5M=
github.com/pion/webrtc/v3 v3.0.10 h1:hti6k0DeN4tbQmAZiA8v6OvdkANQGw+R3nyqk9+dnz0=
github.com/pion/webrtc/v3 v3.0.10/go.mod h1:KdEZWLmBnxB2Qj4FtUb9vi1sIpqsHOisI7L6ggQBD0A=
github.com/pion/webrtc/v3 v3.0.20-0.20210401021312-0e0723e7127d h1:9HN8Fnxdp2x7H/WF1Ku00oYqpJQzb8MxVHsUL9WTzpc=
github.com/pion/webrtc/v3 v3.0.20-0.20210401021312-0e0723e7127d/go.mod h1:0eJnCpQrUMpRnvyonw4ZiWClToerpixrZ2KcoTxvX9M=
github.com/pion/webrtc/v3 v3.0.20 h1:Jj0sk45MqQdkR24E1wbFRmOzb1Lv258ot9zd2fYB/Pw=
github.com/pion/webrtc/v3 v3.0.20/go.mod h1:0eJnCpQrUMpRnvyonw4ZiWClToerpixrZ2KcoTxvX9M=
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
Expand Down Expand Up @@ -452,6 +470,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY=
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 h1:It14KIkyBFYkHkwZ7k45minvA9aorojkyjGk9KJ5B/w=
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
Expand Down Expand Up @@ -498,6 +518,10 @@ golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwY
golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210119194325-5f4716e94777 h1:003p0dJM77cxMSyCPFphvZf/Y5/NXf5fzg6ufd1/Oew=
golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c h1:KHUzaHIpjWVlVVNh65G3hhuj3KB1HnjY6Cq5cTvRQT8=
golang.org/x/net v0.0.0-20210331212208-0fccb6fa2b5c/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
Expand Down Expand Up @@ -543,6 +567,10 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210217090653-ed5674b6da4a h1:m4knbKtdWq+rPB3TE+ApaRzkETZngkKdhYjvTnnRq4s=
golang.org/x/sys v0.0.0-20210217090653-ed5674b6da4a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210331175145-43e1dd70ce54 h1:rF3Ohx8DRyl8h2zw9qojyLHLhrJpEMgyPOImREEryf0=
golang.org/x/sys v0.0.0-20210331175145-43e1dd70ce54/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
Expand Down
7 changes: 6 additions & 1 deletion pkg/buffer/bucket.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,9 @@ const maxPktSize = 1350
type Bucket struct {
buf []byte

headSN uint16
init bool
step int
headSN uint16
maxSteps int
}

Expand All @@ -23,6 +24,10 @@ func NewBucket(buf []byte) *Bucket {
}

func (b *Bucket) AddPacket(pkt []byte, sn uint16, latest bool) ([]byte, error) {
if !b.init {
b.headSN = sn - 1
b.init = true
}
if !latest {
return b.set(sn, pkt)
}
Expand Down
1 change: 0 additions & 1 deletion pkg/buffer/bucket_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,6 @@ func Test_queue_edges(t *testing.T) {
},
}
q := NewBucket(make([]byte, 25000))
q.headSN = 65532
for _, p := range TestPackets {
p := p
assert.NotNil(t, p)
Expand Down
9 changes: 4 additions & 5 deletions pkg/buffer/buffer.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -232,14 +232,14 @@ func (b *Buffer) Read(buff []byte) (n int, err error) {
}
}

func (b *Buffer) ReadExtended() (ExtPacket, error) {
func (b *Buffer) ReadExtended() (*ExtPacket, error) {
for {
if b.closed.get() {
return ExtPacket{}, io.EOF
return nil, io.EOF
}
b.Lock()
if b.extPackets.Len() > 0 {
extPkt := b.extPackets.PopFront().(ExtPacket)
extPkt := b.extPackets.PopFront().(*ExtPacket)
b.Unlock()
return extPkt, nil
}
Expand Down Expand Up @@ -275,7 +275,6 @@ func (b *Buffer) calc(pkt []byte, arrivalTime int64) {
if b.stats.PacketCount == 0 {
b.baseSN = sn
b.maxSeqNo = sn
b.bucket.headSN = sn - 1
b.lastReport = arrivalTime
} else if (sn-b.maxSeqNo)&0x8000 == 0 {
if sn < b.maxSeqNo {
Expand Down Expand Up @@ -357,7 +356,7 @@ func (b *Buffer) calc(pkt []byte, arrivalTime int64) {
b.minPacketProbe++
}

b.extPackets.PushBack(ep)
b.extPackets.PushBack(&ep)

// if first time update or the timestamp is later (factoring timestamp wrap around)
if (b.latestTimestampTime == 0) || IsLaterTimestamp(p.Timestamp, b.latestTimestamp) {
Expand Down
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