52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright 2025 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 streamhelper
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import (
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"math/rand"
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"time"
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"github.com/pingcap/tidb/br/pkg/streamhelper/config"
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"github.com/pingcap/tidb/pkg/sessionctx/vardef"
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)
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func NewCheckpointAdvancer(env Env) *CheckpointAdvancer {
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if rand.Int()&1 == 0 {
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return NewTiDBCheckpointAdvancer(env)
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}
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return NewCommandCheckpointAdvancer(env)
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}
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// UpdateConfigWith updates the config by modifying the current config.
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func (c *CheckpointAdvancer) UpdateConfigWith(f func(*config.CommandConfig)) {
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if cfg, ok := c.cfg.(*config.CommandConfig); ok {
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f(cfg)
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c.UpdateConfig(cfg)
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} else {
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cfg := c.cfg.(*config.TiDBConfig)
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f(cfg.CommandConfig)
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c.UpdateConfig(cfg)
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}
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}
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func (c *CheckpointAdvancer) UpdateCheckPointLagLimit(limit time.Duration) {
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if cfg, ok := c.cfg.(*config.CommandConfig); ok {
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cfg.CheckPointLagLimit = limit
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c.UpdateConfig(cfg)
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} else {
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vardef.AdvancerCheckPointLagLimit.Store(limit)
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}
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}
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