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https://gitee.com/milvus-io/milvus.git
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899638810a
Add some test case to cover the error case Add log in error branch Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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 querynode
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import (
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"fmt"
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"sync"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/util/typeutil"
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"go.uber.org/zap"
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)
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type tSafeWatcher struct {
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notifyChan chan bool
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closeCh chan struct{}
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}
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func newTSafeWatcher() *tSafeWatcher {
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return &tSafeWatcher{
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notifyChan: make(chan bool, 1),
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closeCh: make(chan struct{}, 1),
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}
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}
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func (watcher *tSafeWatcher) notify() {
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if len(watcher.notifyChan) == 0 {
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watcher.notifyChan <- true
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}
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}
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func (watcher *tSafeWatcher) watcherChan() <-chan bool {
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return watcher.notifyChan
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}
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func (watcher *tSafeWatcher) close() {
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watcher.closeCh <- struct{}{}
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}
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type tSafe struct {
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channel Channel
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tSafeMu sync.Mutex // guards all fields
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tSafe Timestamp
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watcher *tSafeWatcher
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}
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func newTSafe(channel Channel) *tSafe {
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return &tSafe{
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channel: channel,
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tSafe: typeutil.ZeroTimestamp,
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}
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}
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func (ts *tSafe) registerTSafeWatcher(t *tSafeWatcher) error {
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ts.tSafeMu.Lock()
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defer ts.tSafeMu.Unlock()
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if ts.watcher != nil {
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log.Warn("tSafeWatcher register more than once", zap.String("channel", ts.channel))
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return fmt.Errorf("tSafeWatcher has been existed, channel = %s", ts.channel)
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}
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ts.watcher = t
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return nil
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}
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func (ts *tSafe) get() Timestamp {
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ts.tSafeMu.Lock()
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defer ts.tSafeMu.Unlock()
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return ts.tSafe
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}
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func (ts *tSafe) set(t Timestamp) {
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ts.tSafeMu.Lock()
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defer ts.tSafeMu.Unlock()
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ts.tSafe = t
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if ts.watcher != nil {
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ts.watcher.notify()
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}
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//log.Debug("set tSafe done",
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// zap.Any("channel", ts.channel),
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// zap.Any("t", m.t))
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}
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