Create & Init Project...

app/tool/saga/dao/dao.go

@@ -0,0 +1,84 @@
+package dao
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"go-common/app/tool/saga/conf"
+	"go-common/library/cache/memcache"
+	"go-common/library/cache/redis"
+	"go-common/library/database/hbase.v2"
+	"go-common/library/database/orm"
+	bm "go-common/library/net/http/blademaster"
+
+	"github.com/jinzhu/gorm"
+	"github.com/pkg/errors"
+)
+
+// Dao def
+type Dao struct {
+	// cache
+	httpClient       *bm.Client
+	mysql            *gorm.DB
+	mcMR             *memcache.Pool
+	redis            *redis.Pool
+	hbase            *hbase.Client
+	mcMRRecordExpire int32
+}
+
+// New create instance of Dao
+func New() (d *Dao) {
+	d = &Dao{
+		httpClient:       bm.NewClient(conf.Conf.HTTPClient),
+		mysql:            orm.NewMySQL(conf.Conf.ORM),
+		mcMR:             memcache.NewPool(conf.Conf.Memcache.MR),
+		redis:            redis.NewPool(conf.Conf.Redis),
+		hbase:            hbase.NewClient(conf.Conf.HBase.Config),
+		mcMRRecordExpire: int32(time.Duration(conf.Conf.Memcache.MRRecordExpire) / time.Second),
+	}
+	return
+}
+
+// Ping dao.
+func (d *Dao) Ping(c context.Context) (err error) {
+	if err = d.pingRedis(c); err != nil {
+		return
+	}
+	if err = d.pingMC(c); err != nil {
+		return
+	}
+	return d.mysql.DB().Ping()
+}
+
+// Close dao.
+func (d *Dao) Close() {
+	if d.mcMR != nil {
+		d.mcMR.Close()
+	}
+	if d.redis != nil {
+		d.redis.Close()
+	}
+	if d.mysql != nil {
+		d.mysql.Close()
+	}
+	if d.hbase != nil {
+		d.hbase.Close()
+	}
+}
+
+func (d *Dao) newRequest(method, url string, v interface{}) (req *http.Request, err error) {
+	body := &bytes.Buffer{}
+	if method != http.MethodGet {
+		if err = json.NewEncoder(body).Encode(v); err != nil {
+			err = errors.WithStack(err)
+			return
+		}
+	}
+	if req, err = http.NewRequest(method, url, body); err != nil {
+		err = errors.WithStack(err)
+	}
+	return
+}