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* Initial plumbing for metrics.
This implements
- metrics received from participant.
- callback to room.
- room distributes it to all other participants (excluding the sending
participant).
- other participants forward to client.
- counting metrics bytes in data channel stats
TODO:
- recording/processing/batching
- should recording/processing/batching happen on publisher side or
subscriber side?
- should metrics be echoed back to publisher?
- grants to publish/subscribe metrics.
* mage generate
* clear OnMetrics on close
* - CanSubscribeMetrics permission.
- Echo back to sender.
* update deps
* No destination identities for metrics
* WIP
* use normalized timestamp for server injected timestamps
* compile
* debug log metrics batch
* correct comment
* add baseTime to wire
* protocol dep
* Scope metrics forwarding to only participants that a participant is
subscribed to.
Also remove the participant_metrics.go file as it was not doing anything
useful.
* update comment
* utils.ErrorIsOneOf
* couple of more utils.CloneProto
72 lines
2.8 KiB
Go
72 lines
2.8 KiB
Go
// Copyright 2024 LiveKit, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package transport
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import (
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"errors"
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"github.com/pion/webrtc/v3"
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"github.com/livekit/livekit-server/pkg/sfu/streamallocator"
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"github.com/livekit/protocol/livekit"
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)
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//go:generate go run github.com/maxbrunsfeld/counterfeiter/v6 -generate
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var (
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ErrNoICECandidateHandler = errors.New("no ICE candidate handler")
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ErrNoOfferHandler = errors.New("no offer handler")
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ErrNoAnswerHandler = errors.New("no answer handler")
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)
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//counterfeiter:generate . Handler
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type Handler interface {
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OnICECandidate(c *webrtc.ICECandidate, target livekit.SignalTarget) error
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OnInitialConnected()
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OnFullyEstablished()
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OnFailed(isShortLived bool)
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OnTrack(track *webrtc.TrackRemote, rtpReceiver *webrtc.RTPReceiver)
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OnDataPacket(kind livekit.DataPacket_Kind, data []byte)
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OnDataSendError(err error)
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OnOffer(sd webrtc.SessionDescription) error
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OnAnswer(sd webrtc.SessionDescription) error
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OnNegotiationStateChanged(state NegotiationState)
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OnNegotiationFailed()
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OnStreamStateChange(update *streamallocator.StreamStateUpdate) error
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}
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type UnimplementedHandler struct{}
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func (h UnimplementedHandler) OnICECandidate(c *webrtc.ICECandidate, target livekit.SignalTarget) error {
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return ErrNoICECandidateHandler
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}
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func (h UnimplementedHandler) OnInitialConnected() {}
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func (h UnimplementedHandler) OnFullyEstablished() {}
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func (h UnimplementedHandler) OnFailed(isShortLived bool) {}
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func (h UnimplementedHandler) OnTrack(track *webrtc.TrackRemote, rtpReceiver *webrtc.RTPReceiver) {}
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func (h UnimplementedHandler) OnDataPacket(kind livekit.DataPacket_Kind, data []byte) {}
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func (h UnimplementedHandler) OnDataSendError(err error) {}
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func (h UnimplementedHandler) OnOffer(sd webrtc.SessionDescription) error {
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return ErrNoOfferHandler
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}
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func (h UnimplementedHandler) OnAnswer(sd webrtc.SessionDescription) error {
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return ErrNoAnswerHandler
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}
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func (h UnimplementedHandler) OnNegotiationStateChanged(state NegotiationState) {}
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func (h UnimplementedHandler) OnNegotiationFailed() {}
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func (h UnimplementedHandler) OnStreamStateChange(update *streamallocator.StreamStateUpdate) error {
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return nil
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}
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