Copyright 2015 The Prometheus 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 expfmt contains tools for reading and writing Prometheus metrics.
package expfmt
Format specifies the HTTP content type of the different wire protocols.
type Format string
Constants to assemble the Content-Type values for the different wire protocols.
const (
	TextVersion   = "0.0.4"
	ProtoType     = `application/vnd.google.protobuf`
	ProtoProtocol = `io.prometheus.client.MetricFamily`
	ProtoFmt      = ProtoType + "; proto=" + ProtoProtocol + ";"
The Content-Type values for the different wire protocols.
	FmtUnknown      Format = `<unknown>`
	FmtText         Format = `text/plain; version=` + TextVersion + `; charset=utf-8`
	FmtProtoDelim   Format = ProtoFmt + ` encoding=delimited`
	FmtProtoText    Format = ProtoFmt + ` encoding=text`
	FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text`
)

const (
	hdrContentType = "Content-Type"
	hdrAccept      = "Accept"