97 lines
1.9 KiB
Go
97 lines
1.9 KiB
Go
package dao
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import (
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"context"
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"time"
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"go-common/library/cache/memcache"
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"go-common/library/cache/redis"
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"go-common/library/conf/paladin"
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"go-common/library/database/sql"
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"go-common/library/log"
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xtime "go-common/library/time"
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)
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// Dao dao.
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type Dao struct {
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db *sql.DB
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redis *redis.Pool
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redisExpire int32
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mc *memcache.Pool
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mcExpire int32
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}
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func checkErr(err error) {
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if err != nil {
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panic(err)
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}
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}
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// New new a dao and return.
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func New() (dao *Dao) {
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var (
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dc struct {
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Demo *sql.Config
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}
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rc struct {
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Demo *redis.Config
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DemoExpire xtime.Duration
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}
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mc struct {
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Demo *memcache.Config
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DemoExpire xtime.Duration
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}
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)
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checkErr(paladin.Get("mysql.toml").UnmarshalTOML(&dc))
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checkErr(paladin.Get("redis.toml").UnmarshalTOML(&rc))
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checkErr(paladin.Get("memcache.toml").UnmarshalTOML(&mc))
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dao = &Dao{
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// mysql
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db: sql.NewMySQL(dc.Demo),
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// redis
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redis: redis.NewPool(rc.Demo),
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redisExpire: int32(time.Duration(rc.DemoExpire) / time.Second),
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// memcache
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mc: memcache.NewPool(mc.Demo),
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mcExpire: int32(time.Duration(mc.DemoExpire) / time.Second),
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}
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return
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}
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// Close close the resource.
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func (d *Dao) Close() {
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d.mc.Close()
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d.redis.Close()
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d.db.Close()
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}
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// Ping ping the resource.
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func (d *Dao) Ping(ctx context.Context) (err error) {
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if err = d.pingMC(ctx); err != nil {
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return
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}
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if err = d.pingRedis(ctx); err != nil {
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return
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}
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return d.db.Ping(ctx)
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}
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func (d *Dao) pingMC(ctx context.Context) (err error) {
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conn := d.mc.Get(ctx)
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defer conn.Close()
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if err = conn.Set(&memcache.Item{Key: "ping", Value: []byte("pong"), Expiration: 0}); err != nil {
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log.Error("conn.Set(PING) error(%v)", err)
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}
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return
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}
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func (d *Dao) pingRedis(ctx context.Context) (err error) {
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conn := d.redis.Get(ctx)
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defer conn.Close()
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if _, err = conn.Do("SET", "ping", "pong"); err != nil {
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log.Error("conn.Set(PING) error(%v)", err)
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}
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return
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}
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