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gitea/vendor/gitea.com/go-chi/cache/memcache/memcache.go
Lunny Xiao 6433ba0ec3
Move macaron to chi (#14293)
Use [chi](https://github.com/go-chi/chi) instead of the forked [macaron](https://gitea.com/macaron/macaron). Since macaron and chi have conflicts with session share, this big PR becomes a have-to thing. According my previous idea, we can replace macaron step by step but I'm wrong. :( Below is a list of big changes on this PR.

- [x] Define `context.ResponseWriter` interface with an implementation `context.Response`.
- [x] Use chi instead of macaron, and also a customize `Route` to wrap chi so that the router usage is similar as before.
- [x] Create different routers for `web`, `api`, `internal` and `install` so that the codes will be more clear and no magic .
- [x] Use https://github.com/unrolled/render instead of macaron's internal render
- [x] Use https://github.com/NYTimes/gziphandler instead of https://gitea.com/macaron/gzip
- [x] Use https://gitea.com/go-chi/session which is a modified version of https://gitea.com/macaron/session and removed `nodb` support since it will not be maintained. **BREAK**
- [x] Use https://gitea.com/go-chi/captcha which is a modified version of https://gitea.com/macaron/captcha
- [x] Use https://gitea.com/go-chi/cache which is a modified version of https://gitea.com/macaron/cache
- [x] Use https://gitea.com/go-chi/binding which is a modified version of https://gitea.com/macaron/binding
- [x] Use https://github.com/go-chi/cors instead of https://gitea.com/macaron/cors
- [x] Dropped https://gitea.com/macaron/i18n and make a new one in `code.gitea.io/gitea/modules/translation`
- [x] Move validation form structs from `code.gitea.io/gitea/modules/auth` to `code.gitea.io/gitea/modules/forms` to avoid dependency cycle.
- [x] Removed macaron log service because it's not need any more. **BREAK**
- [x] All form structs have to be get by `web.GetForm(ctx)` in the route function but not as a function parameter on routes definition.
- [x] Move Git HTTP protocol implementation to use routers directly.
- [x] Fix the problem that chi routes don't support trailing slash but macaron did.
- [x] `/api/v1/swagger` now will be redirect to `/api/swagger` but not render directly so that `APIContext` will not create a html render. 

Notices:
- Chi router don't support request with trailing slash
- Integration test `TestUserHeatmap` maybe mysql version related. It's failed on my macOS(mysql 5.7.29 installed via brew) but succeed on CI.

Co-authored-by: 6543 <6543@obermui.de>
2021-01-26 16:36:53 +01:00

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// Copyright 2013 Beego Authors
// Copyright 2014 The Macaron 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 cache
import (
"strings"
"github.com/bradfitz/gomemcache/memcache"
"github.com/unknwon/com"
"gitea.com/go-chi/cache"
)
// MemcacheCacher represents a memcache cache adapter implementation.
type MemcacheCacher struct {
c *memcache.Client
}
func NewItem(key string, data []byte, expire int32) *memcache.Item {
return &memcache.Item{
Key: key,
Value: data,
Expiration: expire,
}
}
// Put puts value into cache with key and expire time.
// If expired is 0, it lives forever.
func (c *MemcacheCacher) Put(key string, val interface{}, expire int64) error {
return c.c.Set(NewItem(key, []byte(com.ToStr(val)), int32(expire)))
}
// Get gets cached value by given key.
func (c *MemcacheCacher) Get(key string) interface{} {
item, err := c.c.Get(key)
if err != nil {
return nil
}
return string(item.Value)
}
// Delete deletes cached value by given key.
func (c *MemcacheCacher) Delete(key string) error {
return c.c.Delete(key)
}
// Incr increases cached int-type value by given key as a counter.
func (c *MemcacheCacher) Incr(key string) error {
_, err := c.c.Increment(key, 1)
return err
}
// Decr decreases cached int-type value by given key as a counter.
func (c *MemcacheCacher) Decr(key string) error {
_, err := c.c.Decrement(key, 1)
return err
}
// IsExist returns true if cached value exists.
func (c *MemcacheCacher) IsExist(key string) bool {
_, err := c.c.Get(key)
return err == nil
}
// Flush deletes all cached data.
func (c *MemcacheCacher) Flush() error {
return c.c.FlushAll()
}
// StartAndGC starts GC routine based on config string settings.
// AdapterConfig: 127.0.0.1:9090;127.0.0.1:9091
func (c *MemcacheCacher) StartAndGC(opt cache.Options) error {
c.c = memcache.New(strings.Split(opt.AdapterConfig, ";")...)
return nil
}
func init() {
cache.Register("memcache", &MemcacheCacher{})
}