83 lines
1.5 KiB
Go
83 lines
1.5 KiB
Go
|
package dao
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"runtime"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"go-common/app/interface/main/shorturl/conf"
|
||
|
|
"go-common/library/cache/memcache"
|
||
|
|
"go-common/library/database/sql"
|
||
|
|
"go-common/library/log"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Dao struct conf
|
||
|
|
type Dao struct {
|
||
|
|
db *sql.DB
|
||
|
|
memchDB *memcache.Pool
|
||
|
|
mcExpire int32
|
||
|
|
cacheCh chan func()
|
||
|
|
}
|
||
|
|
|
||
|
|
// New new dao
|
||
|
|
func New(c *conf.Config) (d *Dao) {
|
||
|
|
d = &Dao{
|
||
|
|
db: sql.NewMySQL(c.Mysql),
|
||
|
|
memchDB: memcache.NewPool(c.Memcache.Config),
|
||
|
|
cacheCh: make(chan func(), 1024),
|
||
|
|
mcExpire: int32(time.Duration(c.Memcache.Expire) / time.Second),
|
||
|
|
}
|
||
|
|
for i := 0; i < runtime.NumCPU(); i++ {
|
||
|
|
go d.cacheproc()
|
||
|
|
}
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
func (d *Dao) cacheproc() {
|
||
|
|
for {
|
||
|
|
f, ok := <-d.cacheCh
|
||
|
|
if !ok {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
f()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddCache add cache chan
|
||
|
|
func (d *Dao) AddCache(f func()) {
|
||
|
|
select {
|
||
|
|
case d.cacheCh <- f:
|
||
|
|
default:
|
||
|
|
log.Error("d.cacheCh is full")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close close db.
|
||
|
|
func (d *Dao) Close() {
|
||
|
|
if d.db != nil {
|
||
|
|
d.db.Close()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ping ping dao
|
||
|
|
func (d *Dao) Ping(c context.Context) (err error) {
|
||
|
|
if err = d.db.Ping(c); err != nil {
|
||
|
|
log.Error("d.PingDB error(%v)", err)
|
||
|
|
}
|
||
|
|
if err = d.PingMC(c); err != nil {
|
||
|
|
log.Error("d.PingMC error(%v)", err)
|
||
|
|
}
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// PingMC ping mc is ok.
|
||
|
|
func (d *Dao) PingMC(c context.Context) (err error) {
|
||
|
|
conn := d.memchDB.Get(c)
|
||
|
|
item := memcache.Item{Key: "ping", Value: []byte{1}, Expiration: d.mcExpire}
|
||
|
|
if err = conn.Set(&item); err != nil {
|
||
|
|
log.Error("conn.Set(%s) error(%v)", item.Key, err)
|
||
|
|
}
|
||
|
|
conn.Close()
|
||
|
|
return
|
||
|
|
}
|