mirror of
https://github.com/go-gitea/gitea
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* 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>
165 lines
3.7 KiB
Go
165 lines
3.7 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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"fmt"
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"strconv"
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"code.gitea.io/gitea/modules/setting"
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mc "gitea.com/macaron/cache"
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_ "gitea.com/macaron/cache/memcache" // memcache plugin for cache
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)
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var (
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conn mc.Cache
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)
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func newCache(cacheConfig setting.Cache) (mc.Cache, error) {
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return mc.NewCacher(cacheConfig.Adapter, mc.Options{
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Adapter: cacheConfig.Adapter,
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AdapterConfig: cacheConfig.Conn,
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Interval: cacheConfig.Interval,
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})
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}
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// Cache is the interface that operates the cache data.
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type Cache interface {
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// Put puts value into cache with key and expire time.
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Put(key string, val interface{}, timeout int64) error
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// Get gets cached value by given key.
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Get(key string) interface{}
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// Delete deletes cached value by given key.
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Delete(key string) error
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// Incr increases cached int-type value by given key as a counter.
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Incr(key string) error
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// Decr decreases cached int-type value by given key as a counter.
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Decr(key string) error
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// IsExist returns true if cached value exists.
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IsExist(key string) bool
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// Flush deletes all cached data.
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Flush() error
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}
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// NewContext start cache service
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func NewContext() error {
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var err error
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if conn == nil && setting.CacheService.Enabled {
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if conn, err = newCache(setting.CacheService.Cache); err != nil {
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return err
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}
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}
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return err
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}
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// GetCache returns the currently configured cache
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func GetCache() Cache {
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return conn
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}
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// GetString returns the key value from cache with callback when no key exists in cache
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func GetString(key string, getFunc func() (string, error)) (string, error) {
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if conn == nil || setting.CacheService.TTL == 0 {
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return getFunc()
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}
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if !conn.IsExist(key) {
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var (
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value string
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err error
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)
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if value, err = getFunc(); err != nil {
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return value, err
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}
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err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
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if err != nil {
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return "", err
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}
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}
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value := conn.Get(key)
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if v, ok := value.(string); ok {
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return v, nil
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}
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if v, ok := value.(fmt.Stringer); ok {
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return v.String(), nil
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}
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return fmt.Sprintf("%s", conn.Get(key)), nil
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}
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// GetInt returns key value from cache with callback when no key exists in cache
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func GetInt(key string, getFunc func() (int, error)) (int, error) {
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if conn == nil || setting.CacheService.TTL == 0 {
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return getFunc()
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}
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if !conn.IsExist(key) {
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var (
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value int
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err error
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)
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if value, err = getFunc(); err != nil {
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return value, err
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}
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err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
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if err != nil {
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return 0, err
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}
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}
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switch value := conn.Get(key).(type) {
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case int:
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return value, nil
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case string:
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v, err := strconv.Atoi(value)
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if err != nil {
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return 0, err
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}
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return v, nil
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default:
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return 0, fmt.Errorf("Unsupported cached value type: %v", value)
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}
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}
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// GetInt64 returns key value from cache with callback when no key exists in cache
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func GetInt64(key string, getFunc func() (int64, error)) (int64, error) {
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if conn == nil || setting.CacheService.TTL == 0 {
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return getFunc()
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}
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if !conn.IsExist(key) {
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var (
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value int64
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err error
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)
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if value, err = getFunc(); err != nil {
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return value, err
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}
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err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
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if err != nil {
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return 0, err
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}
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}
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switch value := conn.Get(key).(type) {
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case int64:
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return value, nil
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case string:
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v, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return 0, err
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}
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return v, nil
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default:
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return 0, fmt.Errorf("Unsupported cached value type: %v", value)
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}
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}
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// Remove key from cache
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func Remove(key string) {
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if conn == nil {
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return
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}
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_ = conn.Delete(key)
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}
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