tidb helper 源码
tidb helper 代码
文件路径：/plugin/helper.go
// Copyright 2019 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 plugin
import (
"strings"
"unsafe"
)
// DeclareAuditManifest declares manifest as AuditManifest.
func DeclareAuditManifest(m *Manifest) *AuditManifest {
return (*AuditManifest)(unsafe.Pointer(m))
}
// DeclareAuthenticationManifest declares manifest as AuthenticationManifest.
func DeclareAuthenticationManifest(m *Manifest) *AuthenticationManifest {
return (*AuthenticationManifest)(unsafe.Pointer(m))
}
// DeclareSchemaManifest declares manifest as SchemaManifest.
func DeclareSchemaManifest(m *Manifest) *SchemaManifest {
return (*SchemaManifest)(unsafe.Pointer(m))
}
// DeclareDaemonManifest declares manifest as DaemonManifest.
func DeclareDaemonManifest(m *Manifest) *DaemonManifest {
return (*DaemonManifest)(unsafe.Pointer(m))
}
// ID present plugin identity.
type ID string
// Decode decodes a plugin id into name, version parts.
func (n ID) Decode() (name string, version string, err error) {
splits := strings.Split(string(n), "-")
if len(splits) != 2 {
err = errInvalidPluginID.GenWithStackByArgs(string(n))
return
}
name = splits[0]
version = splits[1]
return
}
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