mirror of https://github.com/tikv/client-go.git
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
// Copyright 2021 TiKV 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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// NOTE: The code in this file is based on code from the
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// TiDB project, licensed under the Apache License v 2.0
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//
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// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/oracle/oracles/export_test.go
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//
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// Copyright 2019 PingCAP, Inc.
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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 oracles
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import (
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"context"
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"sync"
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"sync/atomic"
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"time"
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"github.com/tikv/client-go/v2/oracle"
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pd "github.com/tikv/pd/client"
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)
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// SetOracleHookCurrentTime exports localOracle's time hook to test.
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func SetOracleHookCurrentTime(oc oracle.Oracle, t time.Time) {
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switch o := oc.(type) {
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case *localOracle:
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if o.hook == nil {
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o.hook = &struct {
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currentTime time.Time
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}{}
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}
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o.hook.currentTime = t
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}
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}
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// NewEmptyPDOracle exports pdOracle struct to test
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func NewEmptyPDOracle() oracle.Oracle {
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return &pdOracle{}
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}
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func NewPdOracleWithClient(client pd.Client) oracle.Oracle {
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return &pdOracle{
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c: client,
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}
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}
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func StartTsUpdateLoop(o oracle.Oracle, ctx context.Context, wg *sync.WaitGroup) {
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pd, ok := o.(*pdOracle)
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if !ok {
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panic("expected pdOracle")
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}
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pd.quit = make(chan struct{})
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wg.Add(1)
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go func() {
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pd.updateTS(ctx)
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wg.Done()
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}()
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}
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// SetEmptyPDOracleLastTs exports PD oracle's global last ts to test.
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func SetEmptyPDOracleLastTs(oc oracle.Oracle, ts uint64) {
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switch o := oc.(type) {
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case *pdOracle:
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lastTSInterface, _ := o.lastTSMap.LoadOrStore(oracle.GlobalTxnScope, &atomic.Pointer[lastTSO]{})
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lastTSPointer := lastTSInterface.(*atomic.Pointer[lastTSO])
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lastTSPointer.Store(&lastTSO{tso: ts, arrival: oracle.GetTimeFromTS(ts)})
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}
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}
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