mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
// Copyright 2016 The etcd Authors
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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 grpcproxy
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import (
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"github.com/coreos/etcd/clientv3"
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pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
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"github.com/coreos/etcd/mvcc/mvccpb"
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)
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type watchRange struct {
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key, end string
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}
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type watcher struct {
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id int64
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wr watchRange
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// TODO: support filter
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progress bool
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ch chan<- *pb.WatchResponse
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}
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func (w *watcher) send(wr clientv3.WatchResponse) {
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if wr.IsProgressNotify() && !w.progress {
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return
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}
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// todo: filter out the events that this watcher already seen.
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evs := wr.Events
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events := make([]*mvccpb.Event, len(evs))
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for i := range evs {
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events[i] = (*mvccpb.Event)(evs[i])
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}
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pbwr := &pb.WatchResponse{
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Header: &wr.Header,
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WatchId: w.id,
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Events: events,
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}
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select {
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case w.ch <- pbwr:
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default:
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panic("handle this")
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}
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}
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