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/*
*
* Copyright 2020 gRPC authors.
*
* 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 grpclog
import (
"fmt"
"google.golang.org/grpc/internal/grpclog"
)
// componentData records the settings for a component.
type componentData struct {
name string
}
var cache = map[string]*componentData{}
func (c *componentData) InfoDepth(depth int, args ...interface{}) {
args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
grpclog.InfoDepth(depth+1, args...)
}
func (c *componentData) WarningDepth(depth int, args ...interface{}) {
args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
grpclog.WarningDepth(depth+1, args...)
}
func (c *componentData) ErrorDepth(depth int, args ...interface{}) {
args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
grpclog.ErrorDepth(depth+1, args...)
}
func (c *componentData) FatalDepth(depth int, args ...interface{}) {
args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
grpclog.FatalDepth(depth+1, args...)
}
func (c *componentData) Info(args ...interface{}) {
c.InfoDepth(1, args...)
}
func (c *componentData) Warning(args ...interface{}) {
c.WarningDepth(1, args...)
}
func (c *componentData) Error(args ...interface{}) {
c.ErrorDepth(1, args...)
}
func (c *componentData) Fatal(args ...interface{}) {
c.FatalDepth(1, args...)
}
func (c *componentData) Infof(format string, args ...interface{}) {
c.InfoDepth(1, fmt.Sprintf(format, args...))
}
func (c *componentData) Warningf(format string, args ...interface{}) {
c.WarningDepth(1, fmt.Sprintf(format, args...))
}
func (c *componentData) Errorf(format string, args ...interface{}) {
c.ErrorDepth(1, fmt.Sprintf(format, args...))
}
func (c *componentData) Fatalf(format string, args ...interface{}) {
c.FatalDepth(1, fmt.Sprintf(format, args...))
}
func (c *componentData) Infoln(args ...interface{}) {
c.InfoDepth(1, args...)
}
func (c *componentData) Warningln(args ...interface{}) {
c.WarningDepth(1, args...)
}
func (c *componentData) Errorln(args ...interface{}) {
c.ErrorDepth(1, args...)
}
func (c *componentData) Fatalln(args ...interface{}) {
c.FatalDepth(1, args...)
}
func (c *componentData) V(l int) bool {
return V(l)
}
// Component creates a new component and returns it for logging. If a component
// with the name already exists, nothing will be created and it will be
// returned. SetLoggerV2 will panic if it is called with a logger created by
// Component.
func Component(componentName string) DepthLoggerV2 {
if cData, ok := cache[componentName]; ok {
return cData
}
c := &componentData{componentName}
cache[componentName] = c
return c
}
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