gitea/modules/cache/cache.go

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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cache
import (
"fmt"
"strconv"
"code.gitea.io/gitea/modules/setting"
mc "gitea.com/macaron/cache"
_ "gitea.com/macaron/cache/memcache" // memcache plugin for cache
)
var (
conn mc.Cache
)
func newCache(cacheConfig setting.Cache) (mc.Cache, error) {
return mc.NewCacher(cacheConfig.Adapter, mc.Options{
Adapter: cacheConfig.Adapter,
AdapterConfig: cacheConfig.Conn,
Interval: cacheConfig.Interval,
})
}
Use native git variants by default with go-git variants as build tag (#13673) * Move last commit cache back into modules/git Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from the interface for last commit cache Signed-off-by: Andrew Thornton <art27@cantab.net> * move cacheref to last_commit_cache Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from routers/private/hook Signed-off-by: Andrew Thornton <art27@cantab.net> * Move FindLFSFiles to pipeline Signed-off-by: Andrew Thornton <art27@cantab.net> * Make no-go-git variants Signed-off-by: Andrew Thornton <art27@cantab.net> * Submodule RefID Signed-off-by: Andrew Thornton <art27@cantab.net> * fix issue with GetCommitsInfo Signed-off-by: Andrew Thornton <art27@cantab.net> * fix GetLastCommitForPaths Signed-off-by: Andrew Thornton <art27@cantab.net> * Improve efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * More efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * even faster Signed-off-by: Andrew Thornton <art27@cantab.net> * Reduce duplication * As per @lunny Signed-off-by: Andrew Thornton <art27@cantab.net> * attempt to fix drone Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test-tags Signed-off-by: Andrew Thornton <art27@cantab.net> * default to use no-go-git variants and add gogit build tag Signed-off-by: Andrew Thornton <art27@cantab.net> * placate lint Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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// Cache is the interface that operates the cache data.
type Cache interface {
// Put puts value into cache with key and expire time.
Put(key string, val interface{}, timeout int64) error
// Get gets cached value by given key.
Get(key string) interface{}
// Delete deletes cached value by given key.
Delete(key string) error
// Incr increases cached int-type value by given key as a counter.
Incr(key string) error
// Decr decreases cached int-type value by given key as a counter.
Decr(key string) error
// IsExist returns true if cached value exists.
IsExist(key string) bool
// Flush deletes all cached data.
Flush() error
}
// NewContext start cache service
func NewContext() error {
var err error
if conn == nil && setting.CacheService.Enabled {
if conn, err = newCache(setting.CacheService.Cache); err != nil {
return err
}
}
return err
}
Use native git variants by default with go-git variants as build tag (#13673) * Move last commit cache back into modules/git Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from the interface for last commit cache Signed-off-by: Andrew Thornton <art27@cantab.net> * move cacheref to last_commit_cache Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from routers/private/hook Signed-off-by: Andrew Thornton <art27@cantab.net> * Move FindLFSFiles to pipeline Signed-off-by: Andrew Thornton <art27@cantab.net> * Make no-go-git variants Signed-off-by: Andrew Thornton <art27@cantab.net> * Submodule RefID Signed-off-by: Andrew Thornton <art27@cantab.net> * fix issue with GetCommitsInfo Signed-off-by: Andrew Thornton <art27@cantab.net> * fix GetLastCommitForPaths Signed-off-by: Andrew Thornton <art27@cantab.net> * Improve efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * More efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * even faster Signed-off-by: Andrew Thornton <art27@cantab.net> * Reduce duplication * As per @lunny Signed-off-by: Andrew Thornton <art27@cantab.net> * attempt to fix drone Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test-tags Signed-off-by: Andrew Thornton <art27@cantab.net> * default to use no-go-git variants and add gogit build tag Signed-off-by: Andrew Thornton <art27@cantab.net> * placate lint Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-12-17 07:00:47 -07:00
// GetCache returns the currently configured cache
func GetCache() Cache {
return conn
}
// GetString returns the key value from cache with callback when no key exists in cache
func GetString(key string, getFunc func() (string, error)) (string, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return getFunc()
}
if !conn.IsExist(key) {
var (
value string
err error
)
if value, err = getFunc(); err != nil {
return value, err
}
err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
if err != nil {
return "", err
}
}
value := conn.Get(key)
if v, ok := value.(string); ok {
return v, nil
}
if v, ok := value.(fmt.Stringer); ok {
return v.String(), nil
}
return fmt.Sprintf("%s", conn.Get(key)), nil
}
// GetInt returns key value from cache with callback when no key exists in cache
func GetInt(key string, getFunc func() (int, error)) (int, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return getFunc()
}
if !conn.IsExist(key) {
var (
value int
err error
)
if value, err = getFunc(); err != nil {
return value, err
}
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err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
if err != nil {
return 0, err
}
}
switch value := conn.Get(key).(type) {
case int:
return value, nil
case string:
v, err := strconv.Atoi(value)
if err != nil {
return 0, err
}
return v, nil
default:
return 0, fmt.Errorf("Unsupported cached value type: %v", value)
}
}
// GetInt64 returns key value from cache with callback when no key exists in cache
func GetInt64(key string, getFunc func() (int64, error)) (int64, error) {
if conn == nil || setting.CacheService.TTL == 0 {
return getFunc()
}
if !conn.IsExist(key) {
var (
value int64
err error
)
if value, err = getFunc(); err != nil {
return value, err
}
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err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
if err != nil {
return 0, err
}
}
switch value := conn.Get(key).(type) {
case int64:
return value, nil
case string:
v, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return 0, err
}
return v, nil
default:
return 0, fmt.Errorf("Unsupported cached value type: %v", value)
}
}
// Remove key from cache
func Remove(key string) {
if conn == nil {
return
}
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_ = conn.Delete(key)
}