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paopao-ce/internal/dao/cache/cache.go

107 lines
2.9 KiB

// Copyright 2022 ROC. 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 (
"context"
"sync"
"time"
"github.com/allegro/bigcache/v3"
"github.com/rocboss/paopao-ce/internal/conf"
"github.com/rocboss/paopao-ce/internal/core"
"github.com/sirupsen/logrus"
)
var (
_onceInit sync.Once
)
func NewRedisCache() core.RedisCache {
return &redisCache{
c: conf.MustRedisClient(),
}
}
func NewBigCacheIndexService(ips core.IndexPostsService, ams core.AuthorizationManageService) (core.CacheIndexService, core.VersionInfo) {
s := conf.BigCacheIndexSetting
c := bigcache.DefaultConfig(s.ExpireInSecond)
c.Shards = s.MaxIndexPage
c.HardMaxCacheSize = s.HardMaxCacheSize
c.Verbose = s.Verbose
c.MaxEntrySize = 10000
c.Logger = logrus.StandardLogger()
bc, err := bigcache.New(context.Background(), c)
if err != nil {
logrus.Fatalf("initial bigCahceIndex failure by err: %v", err)
}
cacheIndex := newCacheIndexSrv(ips, ams, &bigCacheTweetsCache{
bc: bc,
})
return cacheIndex, cacheIndex
}
func NewRedisCacheIndexService(ips core.IndexPostsService, ams core.AuthorizationManageService) (core.CacheIndexService, core.VersionInfo) {
cacheIndex := newCacheIndexSrv(ips, ams, &redisCacheTweetsCache{
expireDuration: conf.RedisCacheIndexSetting.ExpireInSecond,
expireInSecond: int64(conf.RedisCacheIndexSetting.ExpireInSecond / time.Second),
c: conf.MustRedisClient(),
})
return cacheIndex, cacheIndex
}
func NewWebCache() core.WebCache {
lazyInitial()
return _webCache
}
func NewSimpleCacheIndexService(indexPosts core.IndexPostsService) (core.CacheIndexService, core.VersionInfo) {
s := conf.SimpleCacheIndexSetting
cacheIndex := &simpleCacheIndexServant{
ips: indexPosts,
maxIndexSize: s.MaxIndexSize,
indexPosts: nil,
checkTick: time.NewTicker(s.CheckTickDuration), // check whether need update index every 1 minute
expireIndexTick: time.NewTicker(time.Second),
}
// force expire index every ExpireTickDuration second
if s.ExpireTickDuration != 0 {
cacheIndex.expireIndexTick.Reset(s.CheckTickDuration)
} else {
cacheIndex.expireIndexTick.Stop()
}
// indexActionCh capacity custom configure by conf.yaml need in [10, 10000]
// or re-compile source to adjust min/max capacity
capacity := conf.CacheIndexSetting.MaxUpdateQPS
if capacity < 10 {
capacity = 10
} else if capacity > 10000 {
capacity = 10000
}
cacheIndex.indexActionCh = make(chan core.IdxAct, capacity)
// start index posts
cacheIndex.atomicIndex.Store(cacheIndex.indexPosts)
go cacheIndex.startIndexPosts()
return cacheIndex, cacheIndex
}
func NewNoneCacheIndexService(indexPosts core.IndexPostsService) (core.CacheIndexService, core.VersionInfo) {
obj := &noneCacheIndexServant{
ips: indexPosts,
}
return obj, obj
}
func lazyInitial() {
_onceInit.Do(func() {
_webCache = newWebCache()
})
}