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cache.go
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cache.go
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// Copyright 2020 Douyu
//
// 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 http
import (
"fmt"
"io/ioutil"
"os"
"github.com/douyu/jupiter/pkg/util/xfile"
"github.com/douyu/jupiter/pkg/xlog"
)
// GetFileName ...
func GetFileName(cacheKey string, cacheDir string) string {
return cacheDir + string(os.PathSeparator) + cacheKey
}
// WriteConfigToFile ...
func WriteConfigToFile(cacheKey string, cacheDir string, content string) {
if err := xfile.MkdirIfNecessary(cacheDir); err != nil {
xlog.Errorf("[ERROR]:faild to MkdirIfNecessary config ,value:%s ,err:%s \n", string(content), err.Error())
return
}
fileName := GetFileName(cacheKey, cacheDir)
err := ioutil.WriteFile(fileName, []byte(content), 0666)
if err != nil {
xlog.Errorf("[ERROR]:faild to write config cache:%s ,value:%s ,err:%s \n", fileName, string(content), err.Error())
}
}
// ReadConfigFromFile ...
func ReadConfigFromFile(cacheKey string, cacheDir string) (string, error) {
fileName := GetFileName(cacheKey, cacheDir)
b, err := ioutil.ReadFile(fileName)
if err != nil {
return "", fmt.Errorf("failed to read config cache file:%s,err:%s! ", fileName, err.Error())
}
return string(b), nil
}