Merge pull request #6842 from heyitsanthony/watch-prevkv
grpcproxy: support prevKV watcherrelease-3.1
commit
a2e86c1371
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@ -211,6 +211,7 @@ func (wps *watchProxyStream) recvLoop() error {
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nextrev: cr.StartRevision,
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progress: cr.ProgressNotify,
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prevKV: cr.PrevKv,
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filters: v3rpc.FiltersFromRequest(cr),
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}
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if !w.wr.valid() {
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@ -59,6 +59,7 @@ func newWatchBroadcast(wp *watchProxy, w *watcher, update func(*watchBroadcast))
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clientv3.WithProgressNotify(),
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clientv3.WithCreatedNotify(),
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clientv3.WithRev(wb.nextrev),
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clientv3.WithPrevKV(),
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)
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for wr := range wch {
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wb.bcast(wr)
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@ -37,6 +37,7 @@ type watcher struct {
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wr watchRange
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filters []mvcc.FilterFunc
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progress bool
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prevKV bool
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// id is the id returned to the client on its watch stream.
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id int64
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@ -78,18 +79,22 @@ func (w *watcher) send(wr clientv3.WatchResponse) {
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}
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filtered := false
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if len(w.filters) != 0 {
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for _, filter := range w.filters {
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if filter(*ev) {
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filtered = true
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break
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}
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}
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if filtered {
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continue
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}
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if !filtered {
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events = append(events, ev)
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if !w.prevKV {
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evCopy := *ev
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evCopy.PrevKv = nil
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ev = &evCopy
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}
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events = append(events, ev)
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}
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if lastRev >= w.nextrev {
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