dtm/dtmpb/message.go
2021-08-09 17:40:13 +08:00

61 lines
1.2 KiB
Go

package dtmpb
import (
"context"
"github.com/yedf/dtm/dtmcli"
)
// MsgGrpc reliable msg type
type MsgGrpc struct {
MsgDataGrpc
dtmcli.TransBase
}
// MsgDataGrpc msg data
type MsgDataGrpc struct {
dtmcli.TransData
Steps []MsgStepGrpc `json:"steps"`
QueryPrepared string `json:"query_prepared"`
}
// MsgStepGrpc struct of one step msg
type MsgStepGrpc struct {
Action string `json:"action"`
Data string `json:"data"`
}
// NewMsgGrpc create new msg
func NewMsgGrpc(server string, gid string) *MsgGrpc {
return &MsgGrpc{
MsgDataGrpc: MsgDataGrpc{TransData: dtmcli.TransData{
Gid: gid,
TransType: "msg",
}},
TransBase: dtmcli.TransBase{
Dtm: server,
},
}
}
// Add add a new step
func (s *MsgGrpc) Add(action string, data []byte) *MsgGrpc {
dtmcli.Logf("msg %s Add %s %v", s.MsgDataGrpc.Gid, action, string(data))
step := MsgStepGrpc{
Action: action,
Data: string(data),
}
s.Steps = append(s.Steps, step)
return s
}
// Submit submit the msg
func (s *MsgGrpc) Submit() error {
_, err := MustGetDtmClient(s.Dtm).Submit(context.Background(), &DtmRequest{
Gid: s.Gid,
TransType: s.TransType,
Data: dtmcli.MustMarshalString(&s.Steps),
})
return err
}