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gitea/vendor/github.com/pingcap/tidb/sessionctx/variable/statusvar.go
Thomas Boerger b6a95a8cb3 Integrate public as bindata optionally (#293)
* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix
2016-11-30 00:26:36 +08:00

63 lines
1.7 KiB
Go

// Copyright 2015 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package variable
import (
"github.com/juju/errors"
)
var statisticsList []Statistics
var globalStatusScopes = make(map[string]ScopeFlag)
// DefaultScopeFlag is the status default scope.
var DefaultScopeFlag = ScopeGlobal | ScopeSession
// StatusVal is the value of the corresponding status variable.
type StatusVal struct {
Scope ScopeFlag
Value interface{}
}
// Statistics is the interface of statistics.
type Statistics interface {
// GetScope gets the status variables scope.
GetScope(status string) ScopeFlag
// Stats returns the statistics status variables.
Stats() (map[string]interface{}, error)
}
// RegisterStatistics registers statistics.
func RegisterStatistics(s Statistics) {
statisticsList = append(statisticsList, s)
}
// GetStatusVars gets registered statistics status variables.
func GetStatusVars() (map[string]*StatusVal, error) {
statusVars := make(map[string]*StatusVal)
for _, statistics := range statisticsList {
vals, err := statistics.Stats()
if err != nil {
return nil, errors.Trace(err)
}
for name, val := range vals {
scope := statistics.GetScope(name)
statusVars[name] = &StatusVal{Value: val, Scope: scope}
}
}
return statusVars, nil
}