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feat: if trigger peer is seed peer, set NeedBackToSource flag true #2972

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merged 1 commit into from
Dec 26, 2023
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feat: if trigger peer is seed peer, set NeedBackToSource flag true #2972

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24 changes: 14 additions & 10 deletions scheduler/service/service_v2.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import (

"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/durationpb"
"google.golang.org/protobuf/types/known/timestamppb"

Expand Down Expand Up @@ -111,8 +112,8 @@ func (v *V2) AnnouncePeer(stream schedulerv2.Scheduler_AnnouncePeerServer) error
switch announcePeerRequest := req.GetRequest().(type) {
case *schedulerv2.AnnouncePeerRequest_RegisterPeerRequest:
registerPeerRequest := announcePeerRequest.RegisterPeerRequest
log.Infof("receive RegisterPeerRequest, url: %s, range: %#v, header: %#v",
registerPeerRequest.Download.GetUrl(), registerPeerRequest.Download.GetRange(), registerPeerRequest.Download.GetHeader())
log.Infof("receive RegisterPeerRequest, url: %s, range: %#v, header: %#v, need back-to-source: %t",
registerPeerRequest.Download.GetUrl(), registerPeerRequest.Download.GetRange(), registerPeerRequest.Download.GetHeader(), registerPeerRequest.Download.GetNeedBackToSource())
if err := v.handleRegisterPeerRequest(ctx, stream, req.GetHostId(), req.GetTaskId(), req.GetPeerId(), registerPeerRequest); err != nil {
log.Error(err)
return err
Expand Down Expand Up @@ -835,17 +836,20 @@ func (v *V2) handleRegisterPeerRequest(ctx context.Context, stream schedulerv2.S
blocklist := set.NewSafeSet[string]()
blocklist.Add(peer.ID)
if task.FSM.Is(resource.TaskStateFailed) || !task.HasAvailablePeer(blocklist) {
// If the peer is a seed peer, the need back-to-source flag
// is set to true.
download := req.GetDownload()
download := proto.Clone(req.Download).(*commonv2.Download)
if download.GetNeedBackToSource() {
peer.Log.Infof("peer need back to source")
peer.NeedBackToSource.Store(true)
} else if err := v.downloadTaskBySeedPeer(ctx, taskID, download, peer); err != nil {
// Collect RegisterPeerFailureCount metrics.
metrics.RegisterPeerFailureCount.WithLabelValues(priority.String(), peer.Task.Type.String(),
peer.Task.Tag, peer.Task.Application, peer.Host.Type.Name()).Inc()
return err
} else {
// If trigger the seed peer download back-to-source,
// the need back-to-source flag should be true.
download.NeedBackToSource = true
if err := v.downloadTaskBySeedPeer(ctx, taskID, download, peer); err != nil {
// Collect RegisterPeerFailureCount metrics.
metrics.RegisterPeerFailureCount.WithLabelValues(priority.String(), peer.Task.Type.String(),
peer.Task.Tag, peer.Task.Application, peer.Host.Type.Name()).Inc()
return err
}
}
}

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