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limit channel to 2 messages and drop outdated if needed

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This commit is contained in:
Pascal Fischer
2025-06-17 15:00:23 +02:00
parent de7384e8ea
commit 5e9ea122f7
1 changed files with 14 additions and 7 deletions
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21
management/server/updatechannel.go
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@@ -12,7 +12,7 @@ import (
"github.com/netbirdio/netbird/management/server/types"
)
const channelBufferSize = 100
const channelBufferSize = 2
type UpdateMessage struct {
Update *proto.SyncResponse
@@ -53,12 +53,19 @@ func (p *PeersUpdateManager) SendUpdate(ctx context.Context, peerID string, upda
if channel, ok := p.peerChannels[peerID]; ok {
found = true
select {
case channel <- update:
log.WithContext(ctx).Debugf("update was sent to channel for peer %s", peerID)
default:
dropped = true
log.WithContext(ctx).Warnf("channel for peer %s is %d full or closed", peerID, len(channel))
for {
select {
case channel <- update:
log.WithContext(ctx).Debugf("update was sent to channel for peer %s", peerID)
return
default:
select {
case <-channel:
log.WithContext(ctx).Tracef("dropped oldest message from channel for peer %s", peerID)
default:
log.WithContext(ctx).Tracef("channel unexpectedly empty while trying to drop for peer %s", peerID)
}
}
}
} else {
log.WithContext(ctx).Debugf("peer %s has no channel", peerID)