Files
go-common/app/interface/main/app-player/dao/archive/dao.go
2019-04-22 18:49:16 +08:00

126 lines
2.5 KiB
Go

package archive
import (
"context"
"fmt"
"runtime"
"go-common/app/interface/main/app-player/conf"
"go-common/app/interface/main/app-player/model/archive"
arcrpc "go-common/app/service/main/archive/api"
"go-common/library/cache/memcache"
"go-common/library/log"
)
// Dao is archive dao.
type Dao struct {
// memcache
arcMc *memcache.Pool
// chan
mCh chan func()
// rpc
arcRPC arcrpc.ArchiveClient
}
// New new a archive dao.
func New(c *conf.Config) (d *Dao) {
d = &Dao{
// memcache
arcMc: memcache.NewPool(c.Memcache),
// mc proc
mCh: make(chan func(), 1024),
}
var err error
d.arcRPC, err = arcrpc.NewClient(c.ArchiveClient)
if err != nil {
panic(fmt.Sprintf("archive NewClient error(%v)", err))
}
for i := 0; i < runtime.NumCPU(); i++ {
go d.cacheproc()
}
return
}
// Ping ping check memcache connection
func (d *Dao) Ping(c context.Context) (err error) {
return d.pingMC(c)
}
// addCache add archive to mc or redis
func (d *Dao) addCache(f func()) {
select {
case d.mCh <- f:
default:
log.Warn("cacheproc chan full")
}
}
// cacheproc write memcache and stat redis use goroutine
func (d *Dao) cacheproc() {
for {
f, ok := <-d.mCh
if !ok {
return
}
f()
}
}
// ArchiveCache is
func (d *Dao) ArchiveCache(c context.Context, aid int64) (arc *archive.Info, err error) {
if arc, err = d.archiveCache(c, aid); err != nil {
log.Error("%+v", err)
err = nil
}
if arc != nil {
return
}
var (
view *arcrpc.ViewReply
cids []int64
)
if view, err = d.arcRPC.View(c, &arcrpc.ViewRequest{Aid: aid}); err != nil {
log.Error("d.arcRPC.View3(%d) error(%+v)", aid, err)
return
}
for _, p := range view.Pages {
cids = append(cids, p.Cid)
}
arc = &archive.Info{
Aid: view.Arc.Aid,
State: view.Arc.State,
Mid: view.Arc.Author.Mid,
Cids: cids,
Attribute: view.Arc.Attribute,
}
d.addCache(func() {
d.addArchiveCache(context.Background(), aid, arc)
})
return
}
// Views is
func (d *Dao) Views(c context.Context, aids []int64) (arcs map[int64]*archive.Info, err error) {
var reply *arcrpc.ViewsReply
if reply, err = d.arcRPC.Views(c, &arcrpc.ViewsRequest{Aids: aids}); err != nil {
return
}
arcs = make(map[int64]*archive.Info)
for _, v := range reply.Views {
var (
info = new(archive.Info)
cids []int64
)
info.Aid = v.Arc.Aid
info.State = v.Arc.State
info.Mid = v.Arc.Author.Mid
info.Attribute = v.Arc.Attribute
for _, p := range v.Pages {
cids = append(cids, p.Cid)
}
info.Cids = cids
arcs[info.Aid] = info
}
return
}