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path: root/vendor/github.com/prometheus/common/expfmt/encode.go
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-rw-r--r--vendor/github.com/prometheus/common/expfmt/encode.go88
1 files changed, 0 insertions, 88 deletions
diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go
deleted file mode 100644
index 11839ed65..000000000
--- a/vendor/github.com/prometheus/common/expfmt/encode.go
+++ /dev/null
@@ -1,88 +0,0 @@
-// 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
-
-import (
- "fmt"
- "io"
- "net/http"
-
- "github.com/golang/protobuf/proto"
- "github.com/matttproud/golang_protobuf_extensions/pbutil"
- "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
-
- dto "github.com/prometheus/client_model/go"
-)
-
-// Encoder types encode metric families into an underlying wire protocol.
-type Encoder interface {
- Encode(*dto.MetricFamily) error
-}
-
-type encoder func(*dto.MetricFamily) error
-
-func (e encoder) Encode(v *dto.MetricFamily) error {
- return e(v)
-}
-
-// Negotiate returns the Content-Type based on the given Accept header.
-// If no appropriate accepted type is found, FmtText is returned.
-func Negotiate(h http.Header) Format {
- for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) {
- // Check for protocol buffer
- if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol {
- switch ac.Params["encoding"] {
- case "delimited":
- return FmtProtoDelim
- case "text":
- return FmtProtoText
- case "compact-text":
- return FmtProtoCompact
- }
- }
- // Check for text format.
- ver := ac.Params["version"]
- if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") {
- return FmtText
- }
- }
- return FmtText
-}
-
-// NewEncoder returns a new encoder based on content type negotiation.
-func NewEncoder(w io.Writer, format Format) Encoder {
- switch format {
- case FmtProtoDelim:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := pbutil.WriteDelimited(w, v)
- return err
- })
- case FmtProtoCompact:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := fmt.Fprintln(w, v.String())
- return err
- })
- case FmtProtoText:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := fmt.Fprintln(w, proto.MarshalTextString(v))
- return err
- })
- case FmtText:
- return encoder(func(v *dto.MetricFamily) error {
- _, err := MetricFamilyToText(w, v)
- return err
- })
- }
- panic("expfmt.NewEncoder: unknown format")
-}