// ExecuteKeyspaceIds is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteKeyspaceIds(ctx context.Context, request *pb.ExecuteKeyspaceIdsRequest) (response *pb.ExecuteKeyspaceIdsResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	reply := new(proto.QueryResult)
	bv, err := tproto.Proto3ToBindVariables(request.Query.BindVariables)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	executeErr := vtg.server.ExecuteKeyspaceIds(ctx,
		string(request.Query.Sql),
		bv,
		request.Keyspace,
		request.KeyspaceIds,
		request.TabletType,
		request.Session,
		request.NotInTransaction,
		reply)
	response = &pb.ExecuteKeyspaceIdsResponse{
		Error: vtgate.RPCErrorToVtRPCError(reply.Err),
	}
	if executeErr != nil {
		return nil, vterrors.ToGRPCError(executeErr)
	}
	response.Result = sqltypes.ResultToProto3(reply.Result)
	response.Session = reply.Session
	return response, nil
}

// SplitQuery is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) SplitQuery(ctx context.Context, request *vtgatepb.SplitQueryRequest) (response *vtgatepb.SplitQueryResponse, err error) {

	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	bv, err := querytypes.Proto3ToBindVariables(request.Query.BindVariables)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	splits, vtgErr := vtgateservice.CallCorrectSplitQuery(
		vtg.server,
		request.UseSplitQueryV2,
		ctx,
		request.Keyspace,
		string(request.Query.Sql),
		bv,
		request.SplitColumn,
		request.SplitCount,
		request.NumRowsPerQueryPart,
		request.Algorithm)
	if vtgErr != nil {
		return nil, vterrors.ToGRPCError(vtgErr)
	}
	return &vtgatepb.SplitQueryResponse{
		Splits: splits,
	}, nil
}

// StreamExecuteKeyRanges2 is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGateP3) StreamExecuteKeyRanges2(ctx context.Context, request *pb.StreamExecuteKeyRangesRequest, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		request.CallerId,
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.StreamExecuteKeyRanges(ctx,
		string(request.Query.Sql),
		tproto.Proto3ToBindVariables(request.Query.BindVariables),
		request.Keyspace,
		request.KeyRanges,
		request.TabletType,
		func(reply *proto.QueryResult) error {
			return sendReply(&pb.StreamExecuteKeyRangesResponse{
				Error:  vtgate.VtGateErrorToVtRPCError(nil, reply.Error),
				Result: mproto.QueryResultToProto3(reply.Result),
			})
		})
	if vtgErr == nil {
		return nil
	}
	if *vtgate.RPCErrorOnlyInReply {
		// If there was an app error, send a QueryResult back with it.
		// Sending back errors this way is not backwards compatible. If a (new) server sends an additional
		// QueryResult with an error, and the (old) client doesn't know how to read it, it will cause
		// problems where the client will get out of sync with the number of QueryResults sent.
		// That's why this the error is only sent this way when the --rpc_errors_only_in_reply flag is set
		// (signalling that all clients are able to handle new-style errors).
		return sendReply(&pb.StreamExecuteKeyRangesResponse{
			Error: vtgate.VtGateErrorToVtRPCError(vtgErr, ""),
		})
	}
	return vtgErr
}

func testHandler(req *http.Request, t *testing.T) {
	response := httptest.NewRecorder()
	TxLogger.Send("test msg")
	txlogzHandler(response, req)
	if !strings.Contains(response.Body.String(), "error") {
		t.Fatalf("should show an error page since transaction log format is invalid.")
	}
	txConn := &TxConnection{
		TransactionID:     123456,
		StartTime:         time.Now(),
		Queries:           []string{"select * from test"},
		Conclusion:        "unknown",
		LogToFile:         sync2.AtomicInt32{},
		EffectiveCallerID: callerid.NewEffectiveCallerID("effective-caller", "component", "subcomponent"),
		ImmediateCallerID: callerid.NewImmediateCallerID("immediate-caller"),
	}
	txConn.EndTime = txConn.StartTime
	response = httptest.NewRecorder()
	TxLogger.Send(txConn)
	txlogzHandler(response, req)
	txConn.EndTime = txConn.StartTime.Add(time.Duration(2) * time.Second)
	response = httptest.NewRecorder()
	TxLogger.Send(txConn)
	txlogzHandler(response, req)
	txConn.EndTime = txConn.StartTime.Add(time.Duration(500) * time.Millisecond)
	response = httptest.NewRecorder()
	TxLogger.Send(txConn)
	txlogzHandler(response, req)

}

// StreamExecuteKeyRanges2 is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGate) StreamExecuteKeyRanges2(ctx context.Context, request *gorpcvtgatecommon.KeyRangeQuery, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.StreamExecuteKeyRanges(ctx,
		request.Sql,
		request.BindVariables,
		request.Keyspace,
		request.KeyRanges,
		request.TabletType,
		func(value *sqltypes.Result) error {
			return sendReply(&gorpcvtgatecommon.QueryResult{
				Result: value,
			})
		})
	if vtgErr == nil {
		return nil
	}

	// If there was an app error, send a QueryResult back with it.
	return sendReply(&gorpcvtgatecommon.QueryResult{
		Err: vterrors.RPCErrFromVtError(vtgErr),
	})
}

// ExecuteBatchKeyspaceIds is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteBatchKeyspaceIds(ctx context.Context, request *pb.ExecuteBatchKeyspaceIdsRequest) (response *pb.ExecuteBatchKeyspaceIdsResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	reply := new(proto.QueryResultList)
	bq, err := proto.ProtoToBoundKeyspaceIdQueries(request.Queries)
	if err != nil {
		return nil, vterrors.ToGRPCError(err)
	}
	executeErr := vtg.server.ExecuteBatchKeyspaceIds(ctx,
		bq,
		request.TabletType,
		request.AsTransaction,
		request.Session,
		reply)
	response = &pb.ExecuteBatchKeyspaceIdsResponse{
		Error: vtgate.RPCErrorToVtRPCError(reply.Err),
	}
	if executeErr != nil {
		return nil, vterrors.ToGRPCError(executeErr)
	}
	response.Results = tproto.QueryResultListToProto3(reply.List)
	response.Session = reply.Session
	return response, nil
}

// ExecuteKeyspaceIds is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGateP3) ExecuteKeyspaceIds(ctx context.Context, request *pb.ExecuteKeyspaceIdsRequest, response *pb.ExecuteKeyspaceIdsResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		request.CallerId,
		callerid.NewImmediateCallerID("gorpc client"))
	reply := &proto.QueryResult{}
	vtgErr := vtg.server.ExecuteKeyspaceIds(ctx,
		string(request.Query.Sql),
		tproto.Proto3ToBindVariables(request.Query.BindVariables),
		request.Keyspace,
		request.KeyspaceIds,
		request.TabletType,
		proto.ProtoToSession(request.Session),
		request.NotInTransaction,
		reply)
	response.Error = vtgate.VtGateErrorToVtRPCError(vtgErr, reply.Error)
	response.Result = mproto.QueryResultToProto3(reply.Result)
	response.Session = proto.SessionToProto(reply.Session)
	if *vtgate.RPCErrorOnlyInReply {
		return nil
	}
	return vtgErr
}

// ExecuteKeyspaceIds is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteKeyspaceIds(ctx context.Context, request *pb.ExecuteKeyspaceIdsRequest) (response *pb.ExecuteKeyspaceIdsResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	reply := new(proto.QueryResult)
	executeErr := vtg.server.ExecuteKeyspaceIds(ctx,
		string(request.Query.Sql),
		tproto.Proto3ToBindVariables(request.Query.BindVariables),
		request.Keyspace,
		key.ProtoToKeyspaceIds(request.KeyspaceIds),
		request.TabletType,
		proto.ProtoToSession(request.Session),
		request.NotInTransaction,
		reply)
	response = &pb.ExecuteKeyspaceIdsResponse{
		Error: vtgate.VtGateErrorToVtRPCError(executeErr, reply.Error),
	}
	if executeErr == nil {
		response.Result = mproto.QueryResultToProto3(reply.Result)
		response.Session = proto.SessionToProto(reply.Session)
		return response, nil
	}
	if *vtgate.RPCErrorOnlyInReply {
		return response, nil
	}
	return nil, executeErr
}

// ExecuteBatchShards is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) ExecuteBatchShards(ctx context.Context, request *pb.ExecuteBatchShardsRequest) (response *pb.ExecuteBatchShardsResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	reply := new(proto.QueryResultList)
	executeErr := vtg.server.ExecuteBatchShards(ctx,
		proto.ProtoToBoundShardQueries(request.Queries),
		request.TabletType,
		request.AsTransaction,
		proto.ProtoToSession(request.Session),
		reply)
	response = &pb.ExecuteBatchShardsResponse{
		Error: vtgate.VtGateErrorToVtRPCError(executeErr, reply.Error),
	}
	if executeErr == nil {
		response.Results = tproto.QueryResultListToProto3(reply.List)
		response.Session = proto.SessionToProto(reply.Session)
		return response, nil
	}
	if *vtgate.RPCErrorOnlyInReply {
		return response, nil
	}
	return nil, executeErr
}

// ExecuteEntityIds is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGateP3) ExecuteEntityIds(ctx context.Context, request *pb.ExecuteEntityIdsRequest, response *pb.ExecuteEntityIdsResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		request.CallerId,
		callerid.NewImmediateCallerID("bsonp3 client"))
	reply := new(proto.QueryResult)
	executeErr := vtg.server.ExecuteEntityIds(ctx,
		string(request.Query.Sql),
		tproto.Proto3ToBindVariables(request.Query.BindVariables),
		request.Keyspace,
		request.EntityColumnName,
		request.EntityKeyspaceIds,
		request.TabletType,
		proto.ProtoToSession(request.Session),
		request.NotInTransaction,
		reply)
	if executeErr == nil {
		response.Error = vtgate.RPCErrorToVtRPCError(reply.Err)
		response.Result = mproto.QueryResultToProto3(reply.Result)
		response.Session = proto.SessionToProto(reply.Session)
	}
	return vterrors.ToJSONError(executeErr)
}

// StreamExecuteKeyRanges2 is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGate) StreamExecuteKeyRanges2(ctx context.Context, request *proto.KeyRangeQuery, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.StreamExecuteKeyRanges(ctx,
		request.Sql,
		request.BindVariables,
		request.Keyspace,
		key.KeyRangesToProto(request.KeyRanges),
		topo.TabletTypeToProto(request.TabletType),
		func(value *proto.QueryResult) error {
			return sendReply(value)
		})
	if vtgErr == nil {
		return nil
	}
	if *vtgate.RPCErrorOnlyInReply {
		// If there was an app error, send a QueryResult back with it.
		qr := new(proto.QueryResult)
		vtgate.AddVtGateErrorToQueryResult(vtgErr, qr)
		// Sending back errors this way is not backwards compatible. If a (new) server sends an additional
		// QueryResult with an error, and the (old) client doesn't know how to read it, it will cause
		// problems where the client will get out of sync with the number of QueryResults sent.
		// That's why this the error is only sent this way when the --rpc_errors_only_in_reply flag is set
		// (signalling that all clients are able to handle new-style errors).
		return sendReply(qr)
	}
	return vtgErr
}

// StreamExecuteKeyspaceIds is the RPC version of
// vtgateservice.VTGateService method
func (vtg *VTGate) StreamExecuteKeyspaceIds(ctx context.Context, request *proto.KeyspaceIdQuery, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	return vtg.server.StreamExecuteKeyspaceIds(ctx, request, func(value *proto.QueryResult) error {
		return sendReply(value)
	})
}

// Rollback is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGateP3) Rollback(ctx context.Context, request *pb.RollbackRequest, response *pb.RollbackResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		request.CallerId,
		callerid.NewImmediateCallerID("bsonp3 client"))
	vtgErr := vtg.server.Rollback(ctx, proto.ProtoToSession(request.Session))
	return vterrors.ToJSONError(vtgErr)
}

// Rollback2 is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Rollback2(ctx context.Context, request *proto.RollbackRequest, reply *proto.RollbackResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	vtgErr := vtg.server.Rollback(ctx, request.Session)
	vtgate.AddVtGateError(vtgErr, &reply.Err)
	return nil
}

// Commit2 is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Commit2(ctx context.Context, request *gorpcvtgatecommon.CommitRequest, reply *gorpcvtgatecommon.CommitResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	sessionFromRPC(request.Session)
	vtgErr := vtg.server.Commit(ctx, request.Session)
	reply.Err = vterrors.RPCErrFromVtError(vtgErr)
	return nil
}

// withCallerIDContext creates a context that extracts what we need
// from the incoming call and can be forwarded for use when talking to vttablet.
func withCallerIDContext(ctx context.Context, effectiveCallerID *vtrpcpb.CallerID) context.Context {
	immediate := immediateCallerID(ctx)
	if immediate == "" && *useEffective && effectiveCallerID != nil {
		immediate = effectiveCallerID.Principal
	}
	if immediate == "" {
		immediate = unsecureClient
	}
	return callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		effectiveCallerID,
		callerid.NewImmediateCallerID(immediate))
}

// Commit is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Commit(ctx context.Context, request *vtgatepb.CommitRequest) (response *vtgatepb.CommitResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	vtgErr := vtg.server.Commit(ctx, request.Session)
	response = &vtgatepb.CommitResponse{}
	if vtgErr == nil {
		return response, nil
	}
	return nil, vterrors.ToGRPCError(vtgErr)
}

// Begin2 is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Begin2(ctx context.Context, request *gorpcvtgatecommon.BeginRequest, reply *gorpcvtgatecommon.BeginResponse) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(*rpcTimeout))
	defer cancel()
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	// Don't pass in a nil pointer
	session, vtgErr := vtg.server.Begin(ctx)
	reply.Session = sessionToRPC(session)
	reply.Err = vterrors.RPCErrFromVtError(vtgErr)
	return nil
}

// StreamExecute is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) StreamExecute(ctx context.Context, request *proto.Query, sendReply func(interface{}) error) (err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(ctx,
		callerid.GoRPCEffectiveCallerID(request.CallerID),
		callerid.NewImmediateCallerID("gorpc client"))
	return vtg.server.StreamExecute(ctx,
		request.Sql,
		request.BindVariables,
		topo.TabletTypeToProto(request.TabletType),
		func(value *proto.QueryResult) error {
			return sendReply(value)
		})
}

// Begin is the RPC version of vtgateservice.VTGateService method
func (vtg *VTGate) Begin(ctx context.Context, request *vtgatepb.BeginRequest) (response *vtgatepb.BeginResponse, err error) {
	defer vtg.server.HandlePanic(&err)
	ctx = callerid.NewContext(callinfo.GRPCCallInfo(ctx),
		request.CallerId,
		callerid.NewImmediateCallerID("grpc client"))
	session, vtgErr := vtg.server.Begin(ctx)
	if vtgErr == nil {
		return &vtgatepb.BeginResponse{
			Session: session,
		}, nil
	}
	return nil, vterrors.ToGRPCError(vtgErr)
}