/
func.go
90 lines (76 loc) · 2.24 KB
/
func.go
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// Copyright 2017 Xiaomi, 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 utils
import (
"bytes"
"strconv"
)
func PK(endpoint, metric string, tags map[string]string) string {
ret := bufferPool.Get().(*bytes.Buffer)
ret.Reset()
defer bufferPool.Put(ret)
if tags == nil || len(tags) == 0 {
ret.WriteString(endpoint)
ret.WriteString("/")
ret.WriteString(metric)
return ret.String()
}
ret.WriteString(endpoint)
ret.WriteString("/")
ret.WriteString(metric)
ret.WriteString("/")
ret.WriteString(SortedTags(tags))
return ret.String()
}
func PK2(endpoint, counter string) string {
ret := bufferPool.Get().(*bytes.Buffer)
ret.Reset()
defer bufferPool.Put(ret)
ret.WriteString(endpoint)
ret.WriteString("/")
ret.WriteString(counter)
return ret.String()
}
func UUID(endpoint, metric string, tags map[string]string, dstype string, step int) string {
ret := bufferPool.Get().(*bytes.Buffer)
ret.Reset()
defer bufferPool.Put(ret)
if tags == nil || len(tags) == 0 {
ret.WriteString(endpoint)
ret.WriteString("/")
ret.WriteString(metric)
ret.WriteString("/")
ret.WriteString(dstype)
ret.WriteString("/")
ret.WriteString(strconv.Itoa(step))
return ret.String()
}
ret.WriteString(endpoint)
ret.WriteString("/")
ret.WriteString(metric)
ret.WriteString("/")
ret.WriteString(SortedTags(tags))
ret.WriteString("/")
ret.WriteString(dstype)
ret.WriteString("/")
ret.WriteString(strconv.Itoa(step))
return ret.String()
}
func Checksum(endpoint string, metric string, tags map[string]string) string {
pk := PK(endpoint, metric, tags)
return Md5(pk)
}
func ChecksumOfUUID(endpoint, metric string, tags map[string]string, dstype string, step int64) string {
return Md5(UUID(endpoint, metric, tags, dstype, int(step)))
}