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fix saga aborting error

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This commit is contained in:
yedf2 2021-07-29 19:15:08 +08:00
parent 70ca1e30eb
commit 9e95e90b6c
3 changed files with 11 additions and 12 deletions
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2
dtmsvr/trans.go
View File

@ -138,7 +138,7 @@ func (t *TransGlobal) getBranchParams(branch *TransBranch) common.MS {
func (t *TransGlobal) setNextCron(expireIn int64) []string {
t.NextCronInterval = expireIn
next := time.Now().Add(time.Duration(config.TransCronInterval) * time.Second)
next := time.Now().Add(time.Duration(t.NextCronInterval) * time.Second)
t.NextCronTime = &next
return []string{"next_cron_interval", "next_cron_time"}
}

14
dtmsvr/trans_saga.go
View File

@ -51,16 +51,19 @@ func (t *transSagaProcessor) ExecBranch(db *common.DB, branch *TransBranch) {
}
func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
if t.Status != "submitted" {
if t.Status == "failed" || t.Status == "succeed" {
return
}
current := 0 // 当前正在处理的步骤
for ; current < len(branches); current++ {
branch := &branches[current]
if branch.BranchType != "action" || branch.Status != "prepared" {
if branch.BranchType != "action" || branch.Status == "succeed" {
continue
}
t.ExecBranch(db, branch)
// 找到了一个非succeed的action
if branch.Status == "prepared" {
t.ExecBranch(db, branch)
}
if branch.Status != "succeed" {
break
}
@ -79,8 +82,5 @@ func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch)
}
t.ExecBranch(db, branch)
}
if current != -1 {
panic(fmt.Errorf("saga current not -1"))
}
t.changeStatus(db.Must(), "failed")
t.changeStatus(db, "failed")
}

7
dtmsvr/trans_tcc.go
View File

@ -39,11 +39,10 @@ func (t *transTccProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
return
}
branchType := common.If(t.Status == "submitted", "confirm", "cancel").(string)
for current := len(branches) - 1; current >= -1; current-- {
if current == -1 { // 已全部处理完
t.changeStatus(db, common.If(t.Status == "submitted", "succeed", "failed").(string))
} else if branches[current].BranchType == branchType {
for current := len(branches) - 1; current >= 0; current-- {
if branches[current].BranchType == branchType && branches[current].Status == "prepared" {
t.ExecBranch(db, &branches[current])
}
}
t.changeStatus(db, common.If(t.Status == "submitted", "succeed", "failed").(string))
}