opensource/dtm
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grpc partial

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This commit is contained in:
yedf2 2021-08-09 18:17:34 +08:00
parent cab5f3e38c
commit 3136fc7945
9 changed files with 155 additions and 145 deletions
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126
dtmpb/dtmpb.pb.go
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@ -28,7 +28,8 @@ type DtmTransInfo struct {
Gid string `protobuf:"bytes,1,opt,name=Gid,proto3" json:"Gid,omitempty"` Gid string `protobuf:"bytes,1,opt,name=Gid,proto3" json:"Gid,omitempty"`
TransType string `protobuf:"bytes,2,opt,name=TransType,proto3" json:"TransType,omitempty"` TransType string `protobuf:"bytes,2,opt,name=TransType,proto3" json:"TransType,omitempty"`
BranchID string `protobuf:"bytes,3,opt,name=BranchID,proto3" json:"BranchID,omitempty"` BranchID string `protobuf:"bytes,3,opt,name=BranchID,proto3" json:"BranchID,omitempty"`
Dtm string `protobuf:"bytes,4,opt,name=Dtm,proto3" json:"Dtm,omitempty"` BranchType string `protobuf:"bytes,4,opt,name=BranchType,proto3" json:"BranchType,omitempty"`
Dtm string `protobuf:"bytes,5,opt,name=Dtm,proto3" json:"Dtm,omitempty"`
} }
func (x *DtmTransInfo) Reset() { func (x *DtmTransInfo) Reset() {
@ -84,6 +85,13 @@ func (x *DtmTransInfo) GetBranchID() string {
return "" return ""
} }
func (x *DtmTransInfo) GetBranchType() string {
if x != nil {
return x.BranchType
}
return ""
}
func (x *DtmTransInfo) GetDtm() string { func (x *DtmTransInfo) GetDtm() string {
if x != nil { if x != nil {
return x.Dtm return x.Dtm
@ -100,8 +108,9 @@ type DtmRequest struct {
Gid string `protobuf:"bytes,1,opt,name=Gid,proto3" json:"Gid,omitempty"` Gid string `protobuf:"bytes,1,opt,name=Gid,proto3" json:"Gid,omitempty"`
TransType string `protobuf:"bytes,2,opt,name=TransType,proto3" json:"TransType,omitempty"` TransType string `protobuf:"bytes,2,opt,name=TransType,proto3" json:"TransType,omitempty"`
QueryPrepared string `protobuf:"bytes,3,opt,name=QueryPrepared,proto3" json:"QueryPrepared,omitempty"` QueryPrepared string `protobuf:"bytes,3,opt,name=QueryPrepared,proto3" json:"QueryPrepared,omitempty"`
Extra map[string]string `protobuf:"bytes,4,rep,name=Extra,proto3" json:"Extra,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` WaitResult bool `protobuf:"varint,4,opt,name=WaitResult,proto3" json:"WaitResult,omitempty"`
Data string `protobuf:"bytes,5,opt,name=Data,proto3" json:"Data,omitempty"` Extra map[string]string `protobuf:"bytes,5,rep,name=Extra,proto3" json:"Extra,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
Data string `protobuf:"bytes,6,opt,name=Data,proto3" json:"Data,omitempty"`
} }
func (x *DtmRequest) Reset() { func (x *DtmRequest) Reset() {
@ -157,6 +166,13 @@ func (x *DtmRequest) GetQueryPrepared() string {
return "" return ""
} }
func (x *DtmRequest) GetWaitResult() bool {
if x != nil {
return x.WaitResult
}
return false
}
func (x *DtmRequest) GetExtra() map[string]string { func (x *DtmRequest) GetExtra() map[string]string {
if x != nil { if x != nil {
return x.Extra return x.Extra
@ -351,59 +367,63 @@ var File_dtmpb_dtmpb_proto protoreflect.FileDescriptor
var file_dtmpb_dtmpb_proto_rawDesc = []byte{ var file_dtmpb_dtmpb_proto_rawDesc = []byte{
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0x44, 0x74, 0x6d, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x32, 0x67, 0x0a, 0x03, 0x44, 0x74,
0x6d, 0x12, 0x2e, 0x0a, 0x04, 0x43, 0x61, 0x6c, 0x6c, 0x12, 0x12, 0x2e, 0x64, 0x74, 0x6d, 0x63,
0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x10, 0x2e,
0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22,
0x00, 0x12, 0x30, 0x0a, 0x06, 0x53, 0x75, 0x62, 0x6d, 0x69, 0x74, 0x12, 0x12, 0x2e, 0x64, 0x74,
0x6d, 0x63, 0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a,
0x10, 0x2e, 0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x70, 0x6c,
0x79, 0x22, 0x00, 0x42, 0x1b, 0x5a, 0x19, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
0x6d, 0x2f, 0x79, 0x65, 0x64, 0x66, 0x2f, 0x64, 0x74, 0x6d, 0x2f, 0x64, 0x74, 0x6d, 0x70, 0x62,
0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
} }
var ( var (

8
dtmpb/dtmpb.proto
View File

@ -15,7 +15,8 @@ message DtmTransInfo {
string Gid = 1; string Gid = 1;
string TransType = 2; string TransType = 2;
string BranchID = 3; string BranchID = 3;
string Dtm = 4; string BranchType = 4;
string Dtm = 5;
} }
// The request message containing the user's name. // The request message containing the user's name.
@ -23,8 +24,9 @@ message DtmRequest {
string Gid = 1; string Gid = 1;
string TransType = 2; string TransType = 2;
string QueryPrepared = 3; string QueryPrepared = 3;
map<string, string> Extra = 4; bool WaitResult = 4;
string Data = 5; map<string, string> Extra = 5;
string Data = 6;
} }
// The response message containing the greetings // The response message containing the greetings

31
dtmpb/type.go
View File

@ -1,28 +1,43 @@
package dtmpb package dtmpb
import ( import (
"strings"
"github.com/yedf/dtm/dtmcli" "github.com/yedf/dtm/dtmcli"
grpc "google.golang.org/grpc" grpc "google.golang.org/grpc"
) )
var clients = map[string]DtmClient{} var clients = map[string]*grpc.ClientConn{}
// GetDtmClient 1 // GetGrpcConn 1
func GetDtmClient(grpcServer string) (cli DtmClient, rerr error) { func GetGrpcConn(grpcServer string) (conn *grpc.ClientConn, rerr error) {
if clients[grpcServer] == nil { if clients[grpcServer] == nil {
conn, err := grpc.Dial(grpcServer, grpc.WithInsecure(), grpc.WithBlock(), grpc.WithUnaryInterceptor(dtmcli.GrpcClientLog)) conn, err := grpc.Dial(grpcServer, grpc.WithInsecure(), grpc.WithBlock(), grpc.WithUnaryInterceptor(dtmcli.GrpcClientLog))
if err == nil { if err == nil {
clients[grpcServer] = NewDtmClient(conn) clients[grpcServer] = conn
dtmcli.Logf("dtm client inited for %s", grpcServer) dtmcli.Logf("dtm client inited for %s", grpcServer)
} }
} }
cli = clients[grpcServer] conn = clients[grpcServer]
return return
} }
// MustGetGrpcConn 1
func MustGetGrpcConn(grpcServer string) *grpc.ClientConn {
conn, err := GetGrpcConn(grpcServer)
dtmcli.E2P(err)
return conn
}
// MustGetDtmClient 1 // MustGetDtmClient 1
func MustGetDtmClient(grpcServer string) DtmClient { func MustGetDtmClient(grpcServer string) DtmClient {
cli, err := GetDtmClient(grpcServer) return NewDtmClient(MustGetGrpcConn(grpcServer))
dtmcli.E2P(err) }
return cli
// GetServerAndMethod 将grpc的url分解为server和method
func GetServerAndMethod(grpcURL string) (string, string) {
fs := strings.Split(grpcURL, "/")
server := fs[0]
method := "/" + strings.Join(fs[1:], "/")
return server, method
} }

3
dtmsvr/api_grpc.go
View File

@ -22,8 +22,7 @@ func (s *dtmServer) Call(ctx context.Context, in *pb.DtmRequest) (*pb.DtmReply,
} }
func (s *dtmServer) Submit(ctx context.Context, in *pb.DtmRequest) (*pb.DtmReply, error) { func (s *dtmServer) Submit(ctx context.Context, in *pb.DtmRequest) (*pb.DtmReply, error) {
log.Printf("dtmServer Received: %v", in) svcSubmit(TransFromDtmRequest(in), in.WaitResult)
dynamicCallPb(ctx, in, in.Extra["BusiFunc"], []byte(in.Data))
return &pb.DtmReply{DtmResult: "SUCCESS", DtmMessage: "ok"}, nil return &pb.DtmReply{DtmResult: "SUCCESS", DtmMessage: "ok"}, nil
} }

58
dtmsvr/trans.go
View File

@ -1,7 +1,9 @@
package dtmsvr package dtmsvr
import ( import (
"context"
"fmt" "fmt"
"strings"
"time" "time"
"github.com/gin-gonic/gin" "github.com/gin-gonic/gin"
@ -36,7 +38,6 @@ func (*TransGlobal) TableName() string {
type transProcessor interface { type transProcessor interface {
GenBranches() []TransBranch GenBranches() []TransBranch
ProcessOnce(db *common.DB, branches []TransBranch) ProcessOnce(db *common.DB, branches []TransBranch)
ExecBranch(db *common.DB, branch *TransBranch)
} }
func (t *TransGlobal) touch(db *common.DB, interval int64) *gorm.DB { func (t *TransGlobal) touch(db *common.DB, interval int64) *gorm.DB {
@ -147,15 +148,6 @@ func (t *TransGlobal) processInner(db *common.DB) (rerr error) {
return return
} }
func (t *TransGlobal) getBranchParams(branch *TransBranch) dtmcli.MS {
return dtmcli.MS{
"gid": t.Gid,
"trans_type": t.TransType,
"branch_id": branch.BranchID,
"branch_type": branch.BranchType,
}
}
func (t *TransGlobal) setNextCron(expireIn int64) []string { func (t *TransGlobal) setNextCron(expireIn int64) []string {
t.NextCronInterval = expireIn t.NextCronInterval = expireIn
next := time.Now().Add(time.Duration(t.NextCronInterval) * time.Second) next := time.Now().Add(time.Duration(t.NextCronInterval) * time.Second)
@ -163,6 +155,48 @@ func (t *TransGlobal) setNextCron(expireIn int64) []string {
return []string{"next_cron_interval", "next_cron_time"} return []string{"next_cron_interval", "next_cron_time"}
} }
func (t *TransGlobal) getBranchResult(branch *TransBranch) string {
if t.Protocol == "grpc" {
server, method := dtmpb.GetServerAndMethod(branch.URL)
conn := dtmpb.MustGetGrpcConn(server)
reply := dtmpb.BusiReply{}
err := conn.Invoke(context.Background(), method, &dtmpb.BusiRequest{
Info: &dtmpb.DtmTransInfo{
Gid: t.Gid,
TransType: t.TransType,
BranchID: branch.BranchID,
BranchType: branch.BranchType,
},
}, &reply)
e2p(err)
return reply.DtmResult
}
resp, err := dtmcli.RestyClient.R().SetBody(branch.Data).
SetQueryParams(dtmcli.MS{
"gid": t.Gid,
"trans_type": t.TransType,
"branch_id": branch.BranchID,
"branch_type": branch.BranchType,
}).
SetHeader("Content-type", "application/json").
Post(branch.URL)
e2p(err)
return resp.String()
}
func (t *TransGlobal) execBranch(db *common.DB, branch *TransBranch) {
body := t.getBranchResult(branch)
if strings.Contains(body, "SUCCESS") {
t.touch(db, config.TransCronInterval)
branch.changeStatus(db, "succeed")
} else if t.TransType == "saga" && branch.BranchType == "action" && strings.Contains(body, "FAILURE") {
t.touch(db, config.TransCronInterval)
branch.changeStatus(db, "failed")
} else {
panic(fmt.Errorf("unknown response: %s, will be retried", body))
}
}
func (t *TransGlobal) saveNew(db *common.DB) { func (t *TransGlobal) saveNew(db *common.DB) {
err := db.Transaction(func(db1 *gorm.DB) error { err := db.Transaction(func(db1 *gorm.DB) error {
db := &common.DB{DB: db1} db := &common.DB{DB: db1}
@ -205,15 +239,13 @@ func TransFromContext(c *gin.Context) *TransGlobal {
// TransFromDtmRequest TransFromContext // TransFromDtmRequest TransFromContext
func TransFromDtmRequest(c *dtmpb.DtmRequest) *TransGlobal { func TransFromDtmRequest(c *dtmpb.DtmRequest) *TransGlobal {
m := TransGlobal{ return &TransGlobal{
Gid: c.Gid, Gid: c.Gid,
TransType: c.TransType, TransType: c.TransType,
QueryPrepared: c.QueryPrepared, QueryPrepared: c.QueryPrepared,
Data: c.Data, Data: c.Data,
Protocol: "grpc", Protocol: "grpc",
} }
m.Protocol = "http"
return &m
} }
// TransFromDb construct trans from db // TransFromDb construct trans from db

15
dtmsvr/trans_msg.go
View File

@ -1,7 +1,6 @@
package dtmsvr package dtmsvr
import ( import (
"fmt"
"strings" "strings"
"github.com/yedf/dtm/common" "github.com/yedf/dtm/common"
@ -33,18 +32,6 @@ func (t *transMsgProcessor) GenBranches() []TransBranch {
return branches return branches
} }
func (t *transMsgProcessor) ExecBranch(db *common.DB, branch *TransBranch) {
resp, err := dtmcli.RestyClient.R().SetBody(branch.Data).SetQueryParams(t.getBranchParams(branch)).Post(branch.URL)
e2p(err)
body := resp.String()
if strings.Contains(body, "SUCCESS") {
branch.changeStatus(db, "succeed")
t.touch(db, config.TransCronInterval)
} else {
panic(fmt.Errorf("unknown response: %s, will be retried", body))
}
}
func (t *TransGlobal) mayQueryPrepared(db *common.DB) { func (t *TransGlobal) mayQueryPrepared(db *common.DB) {
if t.Status != "prepared" { if t.Status != "prepared" {
return return
@ -70,7 +57,7 @@ func (t *transMsgProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
if branch.BranchType != "action" || branch.Status != "prepared" { if branch.BranchType != "action" || branch.Status != "prepared" {
continue continue
} }
t.ExecBranch(db, branch) t.execBranch(db, branch)
if branch.Status != "succeed" { if branch.Status != "succeed" {
break break
} }

20
dtmsvr/trans_saga.go
View File

@ -2,7 +2,6 @@ package dtmsvr
import ( import (
"fmt" "fmt"
"strings"
"github.com/yedf/dtm/common" "github.com/yedf/dtm/common"
"github.com/yedf/dtm/dtmcli" "github.com/yedf/dtm/dtmcli"
@ -36,21 +35,6 @@ func (t *transSagaProcessor) GenBranches() []TransBranch {
return branches return branches
} }
func (t *transSagaProcessor) ExecBranch(db *common.DB, branch *TransBranch) {
resp, err := dtmcli.RestyClient.R().SetBody(branch.Data).SetQueryParams(t.getBranchParams(branch)).Post(branch.URL)
e2p(err)
body := resp.String()
if strings.Contains(body, "SUCCESS") {
t.touch(db, config.TransCronInterval)
branch.changeStatus(db, "succeed")
} else if branch.BranchType == "action" && strings.Contains(body, "FAILURE") {
t.touch(db, config.TransCronInterval)
branch.changeStatus(db, "failed")
} else {
panic(fmt.Errorf("unknown response: %s, will be retried", body))
}
}
func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) { func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
if t.Status == "failed" || t.Status == "succeed" { if t.Status == "failed" || t.Status == "succeed" {
return return
@ -63,7 +47,7 @@ func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch)
} }
// 找到了一个非succeed的action // 找到了一个非succeed的action
if branch.Status == "prepared" { if branch.Status == "prepared" {
t.ExecBranch(db, branch) t.execBranch(db, branch)
} }
if branch.Status != "succeed" { if branch.Status != "succeed" {
break break
@ -81,7 +65,7 @@ func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch)
if branch.BranchType != "compensate" || branch.Status != "prepared" { if branch.BranchType != "compensate" || branch.Status != "prepared" {
continue continue
} }
t.ExecBranch(db, branch) t.execBranch(db, branch)
} }
t.changeStatus(db, "failed") t.changeStatus(db, "failed")
} }

17
dtmsvr/trans_tcc.go
View File

@ -1,9 +1,6 @@
package dtmsvr package dtmsvr
import ( import (
"fmt"
"strings"
"github.com/yedf/dtm/common" "github.com/yedf/dtm/common"
"github.com/yedf/dtm/dtmcli" "github.com/yedf/dtm/dtmcli"
) )
@ -20,18 +17,6 @@ func (t *transTccProcessor) GenBranches() []TransBranch {
return []TransBranch{} return []TransBranch{}
} }
func (t *transTccProcessor) ExecBranch(db *common.DB, branch *TransBranch) {
resp, err := dtmcli.RestyClient.R().SetBody(branch.Data).SetHeader("Content-type", "application/json").SetQueryParams(t.getBranchParams(branch)).Post(branch.URL)
e2p(err)
body := resp.String()
if strings.Contains(body, "SUCCESS") {
t.touch(db, config.TransCronInterval)
branch.changeStatus(db, "succeed")
} else {
panic(fmt.Errorf("unknown response: %s, will be retried", body))
}
}
func (t *transTccProcessor) ProcessOnce(db *common.DB, branches []TransBranch) { func (t *transTccProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
if t.Status == "succeed" || t.Status == "failed" { if t.Status == "succeed" || t.Status == "failed" {
return return
@ -39,7 +24,7 @@ func (t *transTccProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
branchType := dtmcli.If(t.Status == "submitted", "confirm", "cancel").(string) branchType := dtmcli.If(t.Status == "submitted", "confirm", "cancel").(string)
for current := len(branches) - 1; current >= 0; current-- { for current := len(branches) - 1; current >= 0; current-- {
if branches[current].BranchType == branchType && branches[current].Status == "prepared" { if branches[current].BranchType == branchType && branches[current].Status == "prepared" {
t.ExecBranch(db, &branches[current]) t.execBranch(db, &branches[current])
} }
} }
t.changeStatus(db, dtmcli.If(t.Status == "submitted", "succeed", "failed").(string)) t.changeStatus(db, dtmcli.If(t.Status == "submitted", "succeed", "failed").(string))

16
dtmsvr/trans_xa.go
View File

@ -1,9 +1,6 @@
package dtmsvr package dtmsvr
import ( import (
"fmt"
"strings"
"github.com/yedf/dtm/common" "github.com/yedf/dtm/common"
"github.com/yedf/dtm/dtmcli" "github.com/yedf/dtm/dtmcli"
) )
@ -19,17 +16,6 @@ func init() {
func (t *transXaProcessor) GenBranches() []TransBranch { func (t *transXaProcessor) GenBranches() []TransBranch {
return []TransBranch{} return []TransBranch{}
} }
func (t *transXaProcessor) ExecBranch(db *common.DB, branch *TransBranch) {
resp, err := dtmcli.RestyClient.R().SetQueryParams(t.getBranchParams(branch)).Post(branch.URL)
e2p(err)
body := resp.String()
if strings.Contains(body, "SUCCESS") {
t.touch(db, config.TransCronInterval)
branch.changeStatus(db, "succeed")
} else {
panic(fmt.Errorf("bad response: %s", body))
}
}
func (t *transXaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) { func (t *transXaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
if t.Status == "succeed" { if t.Status == "succeed" {
@ -38,7 +24,7 @@ func (t *transXaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
currentType := dtmcli.If(t.Status == "submitted", "commit", "rollback").(string) currentType := dtmcli.If(t.Status == "submitted", "commit", "rollback").(string)
for _, branch := range branches { for _, branch := range branches {
if branch.BranchType == currentType && branch.Status != "succeed" { if branch.BranchType == currentType && branch.Status != "succeed" {
t.ExecBranch(db, &branch) t.execBranch(db, &branch)
} }
} }
t.changeStatus(db, dtmcli.If(t.Status == "submitted", "succeed", "failed").(string)) t.changeStatus(db, dtmcli.If(t.Status == "submitted", "succeed", "failed").(string))