diff options
author | Niall Sheridan <nsheridan@gmail.com> | 2017-10-18 13:15:14 +0100 |
---|---|---|
committer | Niall Sheridan <niall@intercom.io> | 2017-10-18 13:25:46 +0100 |
commit | 7b320119ba532fd409ec7dade7ad02011c309599 (patch) | |
tree | a39860f35b55e6cc499f8f5bfa969138c5dd6b73 /vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_pre_1_8.go | |
parent | 7c99874c7a3e7a89716f3ee0cdf696532e35ae35 (diff) |
Update dependencies
Diffstat (limited to 'vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_pre_1_8.go')
-rw-r--r-- | vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_pre_1_8.go | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_pre_1_8.go b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_pre_1_8.go new file mode 100644 index 0000000..8bb9b8b --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_pre_1_8.go @@ -0,0 +1,44 @@ +// Copyright 2017 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. + +// +build !go1.8 + +package promhttp + +import ( + "io" + "net/http" +) + +func newDelegator(w http.ResponseWriter, observeWriteHeaderFunc func(int)) delegator { + d := &responseWriterDelegator{ + ResponseWriter: w, + observeWriteHeader: observeWriteHeaderFunc, + } + + id := 0 + if _, ok := w.(http.CloseNotifier); ok { + id += closeNotifier + } + if _, ok := w.(http.Flusher); ok { + id += flusher + } + if _, ok := w.(http.Hijacker); ok { + id += hijacker + } + if _, ok := w.(io.ReaderFrom); ok { + id += readerFrom + } + + return pickDelegator[id](d) +} |