opensource/dtm
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yedf2 2021-07-25 21:55:38 +08:00
parent 2e6b3987d1
commit e261d6e948
3 changed files with 12 additions and 13 deletions
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4
dtmsvr/trans_saga.go
View File

@ -19,8 +19,8 @@ func (t *transSagaProcessor) GenBranches() []TransBranch {
branches := []TransBranch{}
steps := []M{}
common.MustUnmarshalString(t.Data, &steps)
for _, step := range steps {
branch := GenGid()
for i, step := range steps {
branch := fmt.Sprintf("%02d", i+1)
for _, branchType := range []string{"compensate", "action"} {
branches = append(branches, TransBranch{
Gid: t.Gid,

12
examples/main_base.go
View File

@ -63,7 +63,7 @@ var MainSwitch mainSwitchType
func handleGeneralBusiness(c *gin.Context, result1 string, result2 string, busi string) (interface{}, error) {
info := infoFromContext(c)
res := common.OrString(MainSwitch.TransInResult.Fetch(), result2, "SUCCESS")
logrus.Printf("%s %s result: %s", info.String(), common.GetFuncName(), res)
logrus.Printf("%s %s result: %s", busi, info.String(), res)
return M{"dtm_result": res}, nil
}
@ -74,19 +74,19 @@ func BaseAddRoute(app *gin.Engine) {
return handleGeneralBusiness(c, MainSwitch.TransInResult.Fetch(), reqFrom(c).TransInResult, "transIn")
}))
app.POST(BusiAPI+"/TransOut", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
return handleGeneralBusiness(c, MainSwitch.TransOutResult.Fetch(), reqFrom(c).TransOutResult, "transIn")
return handleGeneralBusiness(c, MainSwitch.TransOutResult.Fetch(), reqFrom(c).TransOutResult, "TransOut")
}))
app.POST(BusiAPI+"/TransInConfirm", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
return handleGeneralBusiness(c, MainSwitch.TransInConfirmResult.Fetch(), "", "transIn")
return handleGeneralBusiness(c, MainSwitch.TransInConfirmResult.Fetch(), "", "TransInConfirm")
}))
app.POST(BusiAPI+"/TransOutConfirm", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
return handleGeneralBusiness(c, MainSwitch.TransOutConfirmResult.Fetch(), "", "transIn")
return handleGeneralBusiness(c, MainSwitch.TransOutConfirmResult.Fetch(), "", "TransOutConfirm")
}))
app.POST(BusiAPI+"/TransInRevert", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
return handleGeneralBusiness(c, MainSwitch.TransInRevertResult.Fetch(), "", "transIn")
return handleGeneralBusiness(c, MainSwitch.TransInRevertResult.Fetch(), "", "TransInRevert")
}))
app.POST(BusiAPI+"/TransOutRevert", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
return handleGeneralBusiness(c, MainSwitch.TransOutRevertResult.Fetch(), "", "transIn")
return handleGeneralBusiness(c, MainSwitch.TransOutRevertResult.Fetch(), "", "TransOutRevert")
}))
app.GET(BusiAPI+"/CanSubmit", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
logrus.Printf("%s CanSubmit", c.Query("gid"))

9
examples/main_tcc.go
View File

@ -9,15 +9,14 @@ import (
// TccSetup 1
func TccSetup(app *gin.Engine) {
app.POST(BusiAPI+"/TransInTcc", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
app.POST(BusiAPI+"/TransInTccParent", common.WrapHandler(func(c *gin.Context) (interface{}, error) {
tcc, err := dtmcli.TccFromReq(c)
e2p(err)
req := reqFrom(c)
logrus.Printf("Trans in %d here, and Trans in another %d in call2 ", req.Amount/2, req.Amount/2)
_, rerr := tcc.CallBranch(&TransReq{Amount: req.Amount / 2}, Busi+"/TransIn", Busi+"/TransInConfirm", Busi+"/TransInRevert")
logrus.Printf("TransInTccParent ")
_, rerr := tcc.CallBranch(&TransReq{Amount: req.Amount}, Busi+"/TransIn", Busi+"/TransInConfirm", Busi+"/TransInRevert")
e2p(rerr)
return M{"dtm_result": "SUCCESS"}, nil
}))
}
@ -28,7 +27,7 @@ func TccFireRequestNested() string {
err := dtmcli.TccGlobalTransaction(DtmServer, gid, func(tcc *dtmcli.Tcc) (rerr error) {
res1, rerr := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransOut", Busi+"/TransOutConfirm", Busi+"/TransOutRevert")
e2p(rerr)
res2, rerr := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInTcc", Busi+"/TransInConfirm", Busi+"/TransInRevert")
res2, rerr := tcc.CallBranch(&TransReq{Amount: 30}, Busi+"/TransInTccParent", Busi+"/TransInConfirm", Busi+"/TransInRevert")
e2p(rerr)
logrus.Printf("tcc returns: %s, %s", res1.String(), res2.String())
return