dtm/examples/quick_start.go
2021-06-30 19:17:32 +08:00

64 lines
1.6 KiB
Go

package examples
import (
"fmt"
"time"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"github.com/yedf/dtm"
"github.com/yedf/dtm/common"
)
// 事务参与者的服务地址
const startBusiApi = "/api/busi_start"
var startBusi = fmt.Sprintf("http://localhost:%d%s", startBusiPort, startBusiApi)
func startMain() {
go startStartSvr()
startFireRequest()
time.Sleep(1000 * time.Second)
}
func startStartSvr() {
logrus.Printf("saga examples starting")
app := common.GetGinApp()
startAddRoute(app)
app.Run(fmt.Sprintf(":%d", SagaBusiPort))
}
func startFireRequest() {
gid := common.GenGid()
req := &gin.H{"amount": 30}
saga := dtm.SagaNew(DtmServer, gid).
Add(startBusi+"/TransOut", startBusi+"/TransOutCompensate", req).
Add(startBusi+"/TransIn", startBusi+"/TransInCompensate", req)
err := saga.Commit()
e2p(err)
}
func startAddRoute(app *gin.Engine) {
app.POST(SagaBusiApi+"/TransIn", common.WrapHandler(startTransIn))
app.POST(SagaBusiApi+"/TransInCompensate", common.WrapHandler(startTransInCompensate))
app.POST(SagaBusiApi+"/TransOut", common.WrapHandler(startTransOut))
app.POST(SagaBusiApi+"/TransOutCompensate", common.WrapHandler(startTransOutCompensate))
logrus.Printf("examples listening at %d", startBusiPort)
}
func startTransIn(c *gin.Context) (interface{}, error) {
return M{"result": "SUCCESS"}, nil
}
func startTransInCompensate(c *gin.Context) (interface{}, error) {
return M{"result": "SUCCESS"}, nil
}
func startTransOut(c *gin.Context) (interface{}, error) {
return M{"result": "SUCCESS"}, nil
}
func startTransOutCompensate(c *gin.Context) (interface{}, error) {
return M{"result": "SUCCESS"}, nil
}