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http_handler.go
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http_handler.go
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// Copyright 2018 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"github.com/pingcap/tidb/pkg/config"
"github.com/pingcap/tidb/pkg/domain/infosync"
"github.com/pingcap/tidb/pkg/infoschema"
"github.com/pingcap/tidb/pkg/server/handler"
"github.com/pingcap/tidb/pkg/server/handler/optimizor"
"github.com/pingcap/tidb/pkg/statistics/handle"
"github.com/pingcap/tidb/pkg/store/helper"
)
// NewTikvHandlerTool checks and prepares for tikv handler.
// It would panic when any error happens.
func (s *Server) NewTikvHandlerTool() *handler.TikvHandlerTool {
var tikvStore helper.Storage
store, ok := s.driver.(*TiDBDriver)
if !ok {
panic("Invalid KvStore with illegal driver")
}
if tikvStore, ok = store.store.(helper.Storage); !ok {
panic("Invalid KvStore with illegal store")
}
return handler.NewTikvHandlerTool(tikvStore)
}
func (s *Server) newOptimizeTraceHandler() *optimizor.OptimizeTraceHandler {
cfg := config.GetGlobalConfig()
var infoGetter *infosync.InfoSyncer
if s.dom != nil && s.dom.InfoSyncer() != nil {
infoGetter = s.dom.InfoSyncer()
}
return optimizor.NewOptimizeTraceHandler(infoGetter, cfg.AdvertiseAddress, cfg.Status.StatusPort)
}
func (s *Server) newPlanReplayerHandler() *optimizor.PlanReplayerHandler {
cfg := config.GetGlobalConfig()
var infoGetter *infosync.InfoSyncer
if s.dom != nil && s.dom.InfoSyncer() != nil {
infoGetter = s.dom.InfoSyncer()
}
var is infoschema.InfoSchema
if s.dom != nil && s.dom.InfoSchema() != nil {
is = s.dom.InfoSchema()
}
var statsHandle *handle.Handle
if s.dom != nil && s.dom.StatsHandle() != nil {
statsHandle = s.dom.StatsHandle()
}
return optimizor.NewPlanReplayerHandler(is, statsHandle, infoGetter, cfg.AdvertiseAddress, cfg.Status.StatusPort)
}