From 083897b41a48e3432fdb124a175757923e6eefe0 Mon Sep 17 00:00:00 2001
From: fagongzi <zhangxu19830126@gmail.com>
Date: Mon, 29 Aug 2022 11:46:06 +0800
Subject: [PATCH] dnservice: add retry txn request at dn node (#4746)
In some cases, TxnRequest is supported to retry on the DN to resolve DNShardNotFound errors due to inconsistent message propagation
Approved by: @reusee
---
pkg/dnservice/store_rpc_handler.go | 58 ++-
pkg/dnservice/store_rpc_handler_test.go | 31 ++
pkg/pb/txn/txn.pb.go | 524 +++++++++++++++++++-----
proto/txn.proto | 11 +
4 files changed, 529 insertions(+), 95 deletions(-)
diff --git a/pkg/dnservice/store_rpc_handler.go b/pkg/dnservice/store_rpc_handler.go
index 46d626451..bb294eb8e 100644
--- a/pkg/dnservice/store_rpc_handler.go
+++ b/pkg/dnservice/store_rpc_handler.go
@@ -17,12 +17,17 @@ package dnservice
import (
"context"
"fmt"
+ "time"
"github.com/matrixorigin/matrixone/pkg/pb/metadata"
"github.com/matrixorigin/matrixone/pkg/pb/txn"
"github.com/matrixorigin/matrixone/pkg/txn/rpc"
)
+const (
+ defaultRetryInterval = time.Millisecond * 100
+)
+
func (s *store) registerRPCHandlers() {
// request from CN node
s.server.RegisterMethodHandler(txn.TxnMethod_Read, s.handleRead)
@@ -47,16 +52,25 @@ func (s *store) dispatchLocalRequest(shard metadata.DNShard) rpc.TxnRequestHandl
}
func (s *store) handleRead(ctx context.Context, request *txn.TxnRequest, response *txn.TxnResponse) error {
+ return s.handleWithRetry(ctx, request, response, s.doRead)
+}
+
+func (s *store) handleWrite(ctx context.Context, request *txn.TxnRequest, response *txn.TxnResponse) error {
+ return s.handleWithRetry(ctx, request, response, s.doWrite)
+}
+
+func (s *store) doRead(ctx context.Context, request *txn.TxnRequest, response *txn.TxnResponse) error {
r := s.validDNShard(request, response)
if r == nil {
return nil
}
r.waitStarted()
+
prepareResponse(request, response)
return r.service.Read(ctx, request, response)
}
-func (s *store) handleWrite(ctx context.Context, request *txn.TxnRequest, response *txn.TxnResponse) error {
+func (s *store) doWrite(ctx context.Context, request *txn.TxnRequest, response *txn.TxnResponse) error {
r := s.validDNShard(request, response)
if r == nil {
return nil
@@ -148,3 +162,45 @@ func prepareResponse(request *txn.TxnRequest, response *txn.TxnResponse) {
response.Flag = request.Flag
response.RequestID = request.RequestID
}
+
+func (s *store) handleWithRetry(ctx context.Context,
+ request *txn.TxnRequest,
+ response *txn.TxnResponse,
+ delegate rpc.TxnRequestHandleFunc) error {
+ for {
+ response.Reset()
+ err := delegate(ctx, request, response)
+ if err != nil {
+ return err
+ }
+
+ if !s.maybeRetry(ctx, request, response) {
+ return nil
+ }
+ }
+}
+
+func (s *store) maybeRetry(ctx context.Context, request *txn.TxnRequest, response *txn.TxnResponse) bool {
+ if request.Options != nil &&
+ len(request.Options.RetryCodes) == 0 ||
+ response.TxnError == nil {
+ return false
+ }
+
+ select {
+ case <-ctx.Done():
+ return false
+ default:
+ for _, code := range request.Options.RetryCodes {
+ if code == response.TxnError.Code {
+ wait := time.Duration(request.Options.RetryInterval)
+ if wait == 0 {
+ wait = defaultRetryInterval
+ }
+ time.Sleep(wait)
+ return true
+ }
+ }
+ return false
+ }
+}
diff --git a/pkg/dnservice/store_rpc_handler_test.go b/pkg/dnservice/store_rpc_handler_test.go
index 11bab7335..ca1826795 100644
--- a/pkg/dnservice/store_rpc_handler_test.go
+++ b/pkg/dnservice/store_rpc_handler_test.go
@@ -35,6 +35,37 @@ func TestHandleRead(t *testing.T) {
})
}
+func TestHandleReadWithRetry(t *testing.T) {
+ runDNStoreTest(t, func(s *store) {
+ req := service.NewTestReadRequest(1, service.NewTestTxn(1, 1, 1), 1)
+ req.CNRequest.Target.ReplicaID = 2
+ req.Options = &txn.TxnRequestOptions{
+ RetryCodes: []txn.ErrorCode{txn.ErrorCode_DNShardNotFound},
+ }
+ go func() {
+ time.Sleep(time.Second)
+ shard := newTestDNShard(1, 2, 3)
+ assert.NoError(t, s.StartDNReplica(shard))
+ }()
+ assert.NoError(t, s.handleRead(context.Background(), &req, &txn.TxnResponse{}))
+ })
+}
+
+func TestHandleReadWithRetryWithTimeout(t *testing.T) {
+ runDNStoreTest(t, func(s *store) {
+ req := service.NewTestReadRequest(1, service.NewTestTxn(1, 1, 1), 1)
+ req.CNRequest.Target.ReplicaID = 2
+ req.Options = &txn.TxnRequestOptions{
+ RetryCodes: []txn.ErrorCode{txn.ErrorCode_DNShardNotFound},
+ }
+ ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+ defer cancel()
+ resp := &txn.TxnResponse{}
+ assert.NoError(t, s.handleRead(ctx, &req, resp))
+ assert.Equal(t, txn.ErrorCode_DNShardNotFound, resp.TxnError.Code)
+ })
+}
+
func TestHandleWrite(t *testing.T) {
runDNStoreTest(t, func(s *store) {
shard := newTestDNShard(1, 2, 3)
diff --git a/pkg/pb/txn/txn.pb.go b/pkg/pb/txn/txn.pb.go
index e3d753a94..7fcee6cd5 100644
--- a/pkg/pb/txn/txn.pb.go
+++ b/pkg/pb/txn/txn.pb.go
@@ -553,10 +553,12 @@ type TxnRequest struct {
// TxnRollbackDNShardRequest corresponds to TxnMethod.RollbackDNShard
RollbackDNShardRequest *TxnRollbackDNShardRequest `protobuf:"bytes,11,opt,name=RollbackDNShardRequest,proto3" json:"RollbackDNShardRequest,omitempty"`
// TxnRemoveMetadataRequest corresponds to TxnMethod.RemoveMetadata
- RemoveMetadata *TxnRemoveMetadataRequest `protobuf:"bytes,12,opt,name=RemoveMetadata,proto3" json:"RemoveMetadata,omitempty"`
- XXX_NoUnkeyedLiteral struct{} `json:"-"`
- XXX_unrecognized []byte `json:"-"`
- XXX_sizecache int32 `json:"-"`
+ RemoveMetadata *TxnRemoveMetadataRequest `protobuf:"bytes,12,opt,name=RemoveMetadata,proto3" json:"RemoveMetadata,omitempty"`
+ // TxnRequestOptions request options
+ Options *TxnRequestOptions `protobuf:"bytes,13,opt,name=options,proto3" json:"options,omitempty"`
+ XXX_NoUnkeyedLiteral struct{} `json:"-"`
+ XXX_unrecognized []byte `json:"-"`
+ XXX_sizecache int32 `json:"-"`
}
func (m *TxnRequest) Reset() { *m = TxnRequest{} }
@@ -676,6 +678,72 @@ func (m *TxnRequest) GetRemoveMetadata() *TxnRemoveMetadataRequest {
return nil
}
+func (m *TxnRequest) GetOptions() *TxnRequestOptions {
+ if m != nil {
+ return m.Options
+ }
+ return nil
+}
+
+// TxnRequestOptions txn options
+type TxnRequestOptions struct {
+ // RetryCodes when DN processes TxnRequest and encounters the specified error, it needs to retry
+ // on the server side.
+ RetryCodes []ErrorCode `protobuf:"varint,1,rep,packed,name=RetryCodes,proto3,enum=txn.ErrorCode" json:"RetryCodes,omitempty"`
+ // RetryInterval retry interval, default is 100ms.
+ RetryInterval int64 `protobuf:"varint,2,opt,name=RetryInterval,proto3" json:"RetryInterval,omitempty"`
+ XXX_NoUnkeyedLiteral struct{} `json:"-"`
+ XXX_unrecognized []byte `json:"-"`
+ XXX_sizecache int32 `json:"-"`
+}
+
+func (m *TxnRequestOptions) Reset() { *m = TxnRequestOptions{} }
+func (m *TxnRequestOptions) String() string { return proto.CompactTextString(m) }
+func (*TxnRequestOptions) ProtoMessage() {}
+func (*TxnRequestOptions) Descriptor() ([]byte, []int) {
+ return fileDescriptor_4f782e76b37adb9a, []int{5}
+}
+func (m *TxnRequestOptions) XXX_Unmarshal(b []byte) error {
+ return m.Unmarshal(b)
+}
+func (m *TxnRequestOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+ if deterministic {
+ return xxx_messageInfo_TxnRequestOptions.Marshal(b, m, deterministic)
+ } else {
+ b = b[:cap(b)]
+ n, err := m.MarshalToSizedBuffer(b)
+ if err != nil {
+ return nil, err
+ }
+ return b[:n], nil
+ }
+}
+func (m *TxnRequestOptions) XXX_Merge(src proto.Message) {
+ xxx_messageInfo_TxnRequestOptions.Merge(m, src)
+}
+func (m *TxnRequestOptions) XXX_Size() int {
+ return m.Size()
+}
+func (m *TxnRequestOptions) XXX_DiscardUnknown() {
+ xxx_messageInfo_TxnRequestOptions.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_TxnRequestOptions proto.InternalMessageInfo
+
+func (m *TxnRequestOptions) GetRetryCodes() []ErrorCode {
+ if m != nil {
+ return m.RetryCodes
+ }
+ return nil
+}
+
+func (m *TxnRequestOptions) GetRetryInterval() int64 {
+ if m != nil {
+ return m.RetryInterval
+ }
+ return 0
+}
+
// TxnResponse response of TxnRequest.
type TxnResponse struct {
// RequestID corresponding request id
@@ -716,7 +784,7 @@ func (m *TxnResponse) Reset() { *m = TxnResponse{} }
func (m *TxnResponse) String() string { return proto.CompactTextString(m) }
func (*TxnResponse) ProtoMessage() {}
func (*TxnResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{5}
+ return fileDescriptor_4f782e76b37adb9a, []int{6}
}
func (m *TxnResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -848,7 +916,7 @@ func (m *TxnCommitRequest) Reset() { *m = TxnCommitRequest{} }
func (m *TxnCommitRequest) String() string { return proto.CompactTextString(m) }
func (*TxnCommitRequest) ProtoMessage() {}
func (*TxnCommitRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{6}
+ return fileDescriptor_4f782e76b37adb9a, []int{7}
}
func (m *TxnCommitRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -895,7 +963,7 @@ func (m *TxnCommitResponse) Reset() { *m = TxnCommitResponse{} }
func (m *TxnCommitResponse) String() string { return proto.CompactTextString(m) }
func (*TxnCommitResponse) ProtoMessage() {}
func (*TxnCommitResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{7}
+ return fileDescriptor_4f782e76b37adb9a, []int{8}
}
func (m *TxnCommitResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -935,7 +1003,7 @@ func (m *TxnRollbackRequest) Reset() { *m = TxnRollbackRequest{} }
func (m *TxnRollbackRequest) String() string { return proto.CompactTextString(m) }
func (*TxnRollbackRequest) ProtoMessage() {}
func (*TxnRollbackRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{8}
+ return fileDescriptor_4f782e76b37adb9a, []int{9}
}
func (m *TxnRollbackRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -975,7 +1043,7 @@ func (m *TxnRollbackResponse) Reset() { *m = TxnRollbackResponse{} }
func (m *TxnRollbackResponse) String() string { return proto.CompactTextString(m) }
func (*TxnRollbackResponse) ProtoMessage() {}
func (*TxnRollbackResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{9}
+ return fileDescriptor_4f782e76b37adb9a, []int{10}
}
func (m *TxnRollbackResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1019,7 +1087,7 @@ func (m *TxnPrepareRequest) Reset() { *m = TxnPrepareRequest{} }
func (m *TxnPrepareRequest) String() string { return proto.CompactTextString(m) }
func (*TxnPrepareRequest) ProtoMessage() {}
func (*TxnPrepareRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{10}
+ return fileDescriptor_4f782e76b37adb9a, []int{11}
}
func (m *TxnPrepareRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1066,7 +1134,7 @@ func (m *TxnPrepareResponse) Reset() { *m = TxnPrepareResponse{} }
func (m *TxnPrepareResponse) String() string { return proto.CompactTextString(m) }
func (*TxnPrepareResponse) ProtoMessage() {}
func (*TxnPrepareResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{11}
+ return fileDescriptor_4f782e76b37adb9a, []int{12}
}
func (m *TxnPrepareResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1108,7 +1176,7 @@ func (m *TxnGetStatusRequest) Reset() { *m = TxnGetStatusRequest{} }
func (m *TxnGetStatusRequest) String() string { return proto.CompactTextString(m) }
func (*TxnGetStatusRequest) ProtoMessage() {}
func (*TxnGetStatusRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{12}
+ return fileDescriptor_4f782e76b37adb9a, []int{13}
}
func (m *TxnGetStatusRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1155,7 +1223,7 @@ func (m *TxnGetStatusResponse) Reset() { *m = TxnGetStatusResponse{} }
func (m *TxnGetStatusResponse) String() string { return proto.CompactTextString(m) }
func (*TxnGetStatusResponse) ProtoMessage() {}
func (*TxnGetStatusResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{13}
+ return fileDescriptor_4f782e76b37adb9a, []int{14}
}
func (m *TxnGetStatusResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1198,7 +1266,7 @@ func (m *TxnCommitDNShardRequest) Reset() { *m = TxnCommitDNShardRequest
func (m *TxnCommitDNShardRequest) String() string { return proto.CompactTextString(m) }
func (*TxnCommitDNShardRequest) ProtoMessage() {}
func (*TxnCommitDNShardRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{14}
+ return fileDescriptor_4f782e76b37adb9a, []int{15}
}
func (m *TxnCommitDNShardRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1245,7 +1313,7 @@ func (m *TxnCommitDNShardResponse) Reset() { *m = TxnCommitDNShardRespon
func (m *TxnCommitDNShardResponse) String() string { return proto.CompactTextString(m) }
func (*TxnCommitDNShardResponse) ProtoMessage() {}
func (*TxnCommitDNShardResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{15}
+ return fileDescriptor_4f782e76b37adb9a, []int{16}
}
func (m *TxnCommitDNShardResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1287,7 +1355,7 @@ func (m *TxnRollbackDNShardRequest) Reset() { *m = TxnRollbackDNShardReq
func (m *TxnRollbackDNShardRequest) String() string { return proto.CompactTextString(m) }
func (*TxnRollbackDNShardRequest) ProtoMessage() {}
func (*TxnRollbackDNShardRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{16}
+ return fileDescriptor_4f782e76b37adb9a, []int{17}
}
func (m *TxnRollbackDNShardRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1334,7 +1402,7 @@ func (m *TxnRollbackDNShardResponse) Reset() { *m = TxnRollbackDNShardRe
func (m *TxnRollbackDNShardResponse) String() string { return proto.CompactTextString(m) }
func (*TxnRollbackDNShardResponse) ProtoMessage() {}
func (*TxnRollbackDNShardResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{17}
+ return fileDescriptor_4f782e76b37adb9a, []int{18}
}
func (m *TxnRollbackDNShardResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1376,7 +1444,7 @@ func (m *TxnRemoveMetadataRequest) Reset() { *m = TxnRemoveMetadataReque
func (m *TxnRemoveMetadataRequest) String() string { return proto.CompactTextString(m) }
func (*TxnRemoveMetadataRequest) ProtoMessage() {}
func (*TxnRemoveMetadataRequest) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{18}
+ return fileDescriptor_4f782e76b37adb9a, []int{19}
}
func (m *TxnRemoveMetadataRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1423,7 +1491,7 @@ func (m *TxnRemoveMetadataResponse) Reset() { *m = TxnRemoveMetadataResp
func (m *TxnRemoveMetadataResponse) String() string { return proto.CompactTextString(m) }
func (*TxnRemoveMetadataResponse) ProtoMessage() {}
func (*TxnRemoveMetadataResponse) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{19}
+ return fileDescriptor_4f782e76b37adb9a, []int{20}
}
func (m *TxnRemoveMetadataResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1467,7 +1535,7 @@ func (m *TxnError) Reset() { *m = TxnError{} }
func (m *TxnError) String() string { return proto.CompactTextString(m) }
func (*TxnError) ProtoMessage() {}
func (*TxnError) Descriptor() ([]byte, []int) {
- return fileDescriptor_4f782e76b37adb9a, []int{20}
+ return fileDescriptor_4f782e76b37adb9a, []int{21}
}
func (m *TxnError) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
@@ -1519,6 +1587,7 @@ func init() {
proto.RegisterType((*CNOpRequest)(nil), "txn.CNOpRequest")
proto.RegisterType((*CNOpResponse)(nil), "txn.CNOpResponse")
proto.RegisterType((*TxnRequest)(nil), "txn.TxnRequest")
+ proto.RegisterType((*TxnRequestOptions)(nil), "txn.TxnRequestOptions")
proto.RegisterType((*TxnResponse)(nil), "txn.TxnResponse")
proto.RegisterType((*TxnCommitRequest)(nil), "txn.TxnCommitRequest")
proto.RegisterType((*TxnCommitResponse)(nil), "txn.TxnCommitResponse")
@@ -1540,80 +1609,84 @@ func init() {
func init() { proto.RegisterFile("txn.proto", fileDescriptor_4f782e76b37adb9a) }
var fileDescriptor_4f782e76b37adb9a = []byte{
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+ 0x4b, 0xac, 0x66, 0x32, 0x4d, 0x7a, 0x19, 0xad, 0xcb, 0xdb, 0x90, 0x60, 0x4c, 0xaf, 0xa0, 0x8d,
+ 0xf9, 0x1d, 0x47, 0x1a, 0xab, 0x48, 0x87, 0xba, 0x64, 0x91, 0x71, 0xa8, 0xab, 0x87, 0xbf, 0x2b,
+ 0xa0, 0x25, 0x0c, 0xb1, 0x1a, 0x56, 0xb7, 0x2f, 0xba, 0xaa, 0x83, 0x6a, 0x75, 0xfb, 0xb2, 0xb1,
+ 0x06, 0x68, 0x56, 0xb7, 0x9f, 0xf4, 0xb6, 0x06, 0x35, 0x16, 0x39, 0x6f, 0xaf, 0x09, 0x60, 0x75,
+ 0xfb, 0xf3, 0x0e, 0x59, 0xf3, 0x97, 0x3d, 0x0e, 0xad, 0x97, 0x19, 0xf0, 0x1b, 0xdb, 0xa1, 0x56,
+ 0xe4, 0xea, 0x15, 0x9e, 0x1b, 0xb9, 0x03, 0x8f, 0x9e, 0x7a, 0x37, 0xae, 0x68, 0x2b, 0x36, 0x08,
+ 0xc6, 0x35, 0xd6, 0xbd, 0xe8, 0x3a, 0x09, 0x83, 0x97, 0xc7, 0xef, 0xff, 0x6a, 0x29, 0xef, 0xee,
+ 0x5b, 0xca, 0xfb, 0xfb, 0x96, 0xf2, 0xe7, 0x7d, 0x4b, 0xf9, 0xe1, 0xd3, 0x85, 0x7f, 0x60, 0x33,
+ 0x9b, 0x06, 0x4e, 0xe4, 0x05, 0xce, 0xc4, 0x71, 0xe5, 0xc1, 0x25, 0x1d, 0xff, 0xed, 0xa4, 0xe3,
+ 0x8f, 0x3a, 0x34, 0x72, 0x47, 0x15, 0xfe, 0x37, 0xeb, 0xc5, 0xbf, 0x01, 0x00, 0x00, 0xff, 0xff,
+ 0xdd, 0xab, 0xcb, 0xf5, 0xc8, 0x0d, 0x00, 0x00,
}
func (m *TxnMeta) Marshal() (dAtA []byte, err error) {
@@ -1873,6 +1946,18 @@ func (m *TxnRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i -= len(m.XXX_unrecognized)
copy(dAtA[i:], m.XXX_unrecognized)
}
+ if m.Options != nil {
+ {
+ size, err := m.Options.MarshalToSizedBuffer(dAtA[:i])
+ if err != nil {
+ return 0, err
+ }
+ i -= size
+ i = encodeVarintTxn(dAtA, i, uint64(size))
+ }
+ i--
+ dAtA[i] = 0x6a
+ }
if m.RemoveMetadata != nil {
{
size, err := m.RemoveMetadata.MarshalToSizedBuffer(dAtA[:i])
@@ -1997,6 +2082,56 @@ func (m *TxnRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
return len(dAtA) - i, nil
}
+func (m *TxnRequestOptions) Marshal() (dAtA []byte, err error) {
+ size := m.Size()
+ dAtA = make([]byte, size)
+ n, err := m.MarshalToSizedBuffer(dAtA[:size])
+ if err != nil {
+ return nil, err
+ }
+ return dAtA[:n], nil
+}
+
+func (m *TxnRequestOptions) MarshalTo(dAtA []byte) (int, error) {
+ size := m.Size()
+ return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *TxnRequestOptions) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+ i := len(dAtA)
+ _ = i
+ var l int
+ _ = l
+ if m.XXX_unrecognized != nil {
+ i -= len(m.XXX_unrecognized)
+ copy(dAtA[i:], m.XXX_unrecognized)
+ }
+ if m.RetryInterval != 0 {
+ i = encodeVarintTxn(dAtA, i, uint64(m.RetryInterval))
+ i--
+ dAtA[i] = 0x10
+ }
+ if len(m.RetryCodes) > 0 {
+ dAtA17 := make([]byte, len(m.RetryCodes)*10)
+ var j16 int
+ for _, num := range m.RetryCodes {
+ for num >= 1<<7 {
+ dAtA17[j16] = uint8(uint64(num)&0x7f | 0x80)
+ num >>= 7
+ j16++
+ }
+ dAtA17[j16] = uint8(num)
+ j16++
+ }
+ i -= j16
+ copy(dAtA[i:], dAtA17[:j16])
+ i = encodeVarintTxn(dAtA, i, uint64(j16))
+ i--
+ dAtA[i] = 0xa
+ }
+ return len(dAtA) - i, nil
+}
+
func (m *TxnResponse) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
@@ -2787,6 +2922,32 @@ func (m *TxnRequest) Size() (n int) {
l = m.RemoveMetadata.Size()
n += 1 + l + sovTxn(uint64(l))
}
+ if m.Options != nil {
+ l = m.Options.Size()
+ n += 1 + l + sovTxn(uint64(l))
+ }
+ if m.XXX_unrecognized != nil {
+ n += len(m.XXX_unrecognized)
+ }
+ return n
+}
+
+func (m *TxnRequestOptions) Size() (n int) {
+ if m == nil {
+ return 0
+ }
+ var l int
+ _ = l
+ if len(m.RetryCodes) > 0 {
+ l = 0
+ for _, e := range m.RetryCodes {
+ l += sovTxn(uint64(e))
+ }
+ n += 1 + sovTxn(uint64(l)) + l
+ }
+ if m.RetryInterval != 0 {
+ n += 1 + sovTxn(uint64(m.RetryInterval))
+ }
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
@@ -4070,6 +4231,181 @@ func (m *TxnRequest) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
+ case 13:
+ if wireType != 2 {
+ return fmt.Errorf("proto: wrong wireType = %d for field Options", wireType)
+ }
+ var msglen int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowTxn
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ msglen |= int(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if msglen < 0 {
+ return ErrInvalidLengthTxn
+ }
+ postIndex := iNdEx + msglen
+ if postIndex < 0 {
+ return ErrInvalidLengthTxn
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ if m.Options == nil {
+ m.Options = &TxnRequestOptions{}
+ }
+ if err := m.Options.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+ return err
+ }
+ iNdEx = postIndex
+ default:
+ iNdEx = preIndex
+ skippy, err := skipTxn(dAtA[iNdEx:])
+ if err != nil {
+ return err
+ }
+ if (skippy < 0) || (iNdEx+skippy) < 0 {
+ return ErrInvalidLengthTxn
+ }
+ if (iNdEx + skippy) > l {
+ return io.ErrUnexpectedEOF
+ }
+ m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+ iNdEx += skippy
+ }
+ }
+
+ if iNdEx > l {
+ return io.ErrUnexpectedEOF
+ }
+ return nil
+}
+func (m *TxnRequestOptions) Unmarshal(dAtA []byte) error {
+ l := len(dAtA)
+ iNdEx := 0
+ for iNdEx < l {
+ preIndex := iNdEx
+ var wire uint64
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowTxn
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ wire |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ fieldNum := int32(wire >> 3)
+ wireType := int(wire & 0x7)
+ if wireType == 4 {
+ return fmt.Errorf("proto: TxnRequestOptions: wiretype end group for non-group")
+ }
+ if fieldNum <= 0 {
+ return fmt.Errorf("proto: TxnRequestOptions: illegal tag %d (wire type %d)", fieldNum, wire)
+ }
+ switch fieldNum {
+ case 1:
+ if wireType == 0 {
+ var v ErrorCode
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowTxn
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ v |= ErrorCode(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ m.RetryCodes = append(m.RetryCodes, v)
+ } else if wireType == 2 {
+ var packedLen int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowTxn
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ packedLen |= int(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if packedLen < 0 {
+ return ErrInvalidLengthTxn
+ }
+ postIndex := iNdEx + packedLen
+ if postIndex < 0 {
+ return ErrInvalidLengthTxn
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ var elementCount int
+ if elementCount != 0 && len(m.RetryCodes) == 0 {
+ m.RetryCodes = make([]ErrorCode, 0, elementCount)
+ }
+ for iNdEx < postIndex {
+ var v ErrorCode
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowTxn
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ v |= ErrorCode(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ m.RetryCodes = append(m.RetryCodes, v)
+ }
+ } else {
+ return fmt.Errorf("proto: wrong wireType = %d for field RetryCodes", wireType)
+ }
+ case 2:
+ if wireType != 0 {
+ return fmt.Errorf("proto: wrong wireType = %d for field RetryInterval", wireType)
+ }
+ m.RetryInterval = 0
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowTxn
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ m.RetryInterval |= int64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
default:
iNdEx = preIndex
skippy, err := skipTxn(dAtA[iNdEx:])
diff --git a/proto/txn.proto b/proto/txn.proto
index 494871758..26d17152a 100644
--- a/proto/txn.proto
+++ b/proto/txn.proto
@@ -188,6 +188,17 @@ message TxnRequest {
TxnRollbackDNShardRequest RollbackDNShardRequest = 11;
// TxnRemoveMetadataRequest corresponds to TxnMethod.RemoveMetadata
TxnRemoveMetadataRequest RemoveMetadata = 12;
+ // TxnRequestOptions request options
+ TxnRequestOptions Options = 13;
+}
+
+// TxnRequestOptions txn options
+message TxnRequestOptions {
+ // RetryCodes when DN processes TxnRequest and encounters the specified error, it needs to retry
+ // on the server side. Only read and write can retry.
+ repeated ErrorCode RetryCodes = 1;
+ // RetryInterval retry interval, default is 100ms.
+ int64 RetryInterval = 2;
}
// TxnResponse response of TxnRequest.
--
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