aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/github.com/gorilla/context/context.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/gorilla/context/context.go')
-rw-r--r--vendor/github.com/gorilla/context/context.go143
1 files changed, 0 insertions, 143 deletions
diff --git a/vendor/github.com/gorilla/context/context.go b/vendor/github.com/gorilla/context/context.go
deleted file mode 100644
index 81cb128b..00000000
--- a/vendor/github.com/gorilla/context/context.go
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright 2012 The Gorilla Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package context
-
-import (
- "net/http"
- "sync"
- "time"
-)
-
-var (
- mutex sync.RWMutex
- data = make(map[*http.Request]map[interface{}]interface{})
- datat = make(map[*http.Request]int64)
-)
-
-// Set stores a value for a given key in a given request.
-func Set(r *http.Request, key, val interface{}) {
- mutex.Lock()
- if data[r] == nil {
- data[r] = make(map[interface{}]interface{})
- datat[r] = time.Now().Unix()
- }
- data[r][key] = val
- mutex.Unlock()
-}
-
-// Get returns a value stored for a given key in a given request.
-func Get(r *http.Request, key interface{}) interface{} {
- mutex.RLock()
- if ctx := data[r]; ctx != nil {
- value := ctx[key]
- mutex.RUnlock()
- return value
- }
- mutex.RUnlock()
- return nil
-}
-
-// GetOk returns stored value and presence state like multi-value return of map access.
-func GetOk(r *http.Request, key interface{}) (interface{}, bool) {
- mutex.RLock()
- if _, ok := data[r]; ok {
- value, ok := data[r][key]
- mutex.RUnlock()
- return value, ok
- }
- mutex.RUnlock()
- return nil, false
-}
-
-// GetAll returns all stored values for the request as a map. Nil is returned for invalid requests.
-func GetAll(r *http.Request) map[interface{}]interface{} {
- mutex.RLock()
- if context, ok := data[r]; ok {
- result := make(map[interface{}]interface{}, len(context))
- for k, v := range context {
- result[k] = v
- }
- mutex.RUnlock()
- return result
- }
- mutex.RUnlock()
- return nil
-}
-
-// GetAllOk returns all stored values for the request as a map and a boolean value that indicates if
-// the request was registered.
-func GetAllOk(r *http.Request) (map[interface{}]interface{}, bool) {
- mutex.RLock()
- context, ok := data[r]
- result := make(map[interface{}]interface{}, len(context))
- for k, v := range context {
- result[k] = v
- }
- mutex.RUnlock()
- return result, ok
-}
-
-// Delete removes a value stored for a given key in a given request.
-func Delete(r *http.Request, key interface{}) {
- mutex.Lock()
- if data[r] != nil {
- delete(data[r], key)
- }
- mutex.Unlock()
-}
-
-// Clear removes all values stored for a given request.
-//
-// This is usually called by a handler wrapper to clean up request
-// variables at the end of a request lifetime. See ClearHandler().
-func Clear(r *http.Request) {
- mutex.Lock()
- clear(r)
- mutex.Unlock()
-}
-
-// clear is Clear without the lock.
-func clear(r *http.Request) {
- delete(data, r)
- delete(datat, r)
-}
-
-// Purge removes request data stored for longer than maxAge, in seconds.
-// It returns the amount of requests removed.
-//
-// If maxAge <= 0, all request data is removed.
-//
-// This is only used for sanity check: in case context cleaning was not
-// properly set some request data can be kept forever, consuming an increasing
-// amount of memory. In case this is detected, Purge() must be called
-// periodically until the problem is fixed.
-func Purge(maxAge int) int {
- mutex.Lock()
- count := 0
- if maxAge <= 0 {
- count = len(data)
- data = make(map[*http.Request]map[interface{}]interface{})
- datat = make(map[*http.Request]int64)
- } else {
- min := time.Now().Unix() - int64(maxAge)
- for r := range data {
- if datat[r] < min {
- clear(r)
- count++
- }
- }
- }
- mutex.Unlock()
- return count
-}
-
-// ClearHandler wraps an http.Handler and clears request values at the end
-// of a request lifetime.
-func ClearHandler(h http.Handler) http.Handler {
- return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
- defer Clear(r)
- h.ServeHTTP(w, r)
- })
-}