func callNext(ctx context.Context, client *Client, req *pb.RunQueryRequest, res *pb.RunQueryResponse, offset, limit int32) error {
if res.GetBatch().EndCursor == nil {
return errors.New("datastore: internal error: server did not return a cursor")
}
req.Query.StartCursor = res.GetBatch().GetEndCursor()
if limit >= 0 {
req.Query.Limit = proto.Int32(limit)
}
if offset != 0 {
req.Query.Offset = proto.Int32(offset)
}
res.Reset()
return client.call(ctx, "runQuery", req, res)
}
// DoCancelAfterFirstResponse cancels the RPC after receiving the first message from the server.
func DoCancelAfterFirstResponse(tc testpb.TestServiceClient) {
ctx, cancel := context.WithCancel(context.Background())
stream, err := tc.FullDuplexCall(ctx)
if err != nil {
grpclog.Fatalf("%v.FullDuplexCall(_) = _, %v", tc, err)
}
respParam := []*testpb.ResponseParameters{
{
Size: proto.Int32(31415),
},
}
pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, 27182)
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
Payload: pl,
}
if err := stream.Send(req); err != nil {
grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
}
if _, err := stream.Recv(); err != nil {
grpclog.Fatalf("%v.Recv() = %v", stream, err)
}
cancel()
if _, err := stream.Recv(); grpc.Code(err) != codes.Canceled {
grpclog.Fatalf("%v compleled with error code %d, want %d", stream, grpc.Code(err), codes.Canceled)
}
grpclog.Println("CancelAfterFirstResponse done")
}
func moreList(t *Iterator) error {
req := &pb.ListDocumentsRequest{
Params: &pb.ListDocumentsParams{
IndexSpec: &t.index.spec,
},
}
if t.listStartID != "" {
req.Params.StartDocId = &t.listStartID
req.Params.IncludeStartDoc = &t.listInclusive
}
if t.limit > 0 {
req.Params.Limit = proto.Int32(int32(t.limit))
}
if t.idsOnly {
req.Params.KeysOnly = &t.idsOnly
}
res := &pb.ListDocumentsResponse{}
if err := internal.Call(t.c, "search", "ListDocuments", req, res); err != nil {
return err
}
if res.Status == nil || res.Status.GetCode() != pb.SearchServiceError_OK {
return fmt.Errorf("search: %s: %s", res.Status.GetCode(), res.Status.GetErrorDetail())
}
t.listRes = res.Document
t.listStartID, t.listInclusive, t.more = "", false, nil
if len(res.Document) != 0 && t.limit <= 0 {
if id := res.Document[len(res.Document)-1].GetId(); id != "" {
t.listStartID, t.more = id, moreList
}
}
return nil
}
func sortToProto(sort *SortOptions, params *pb.SearchParams) error {
for _, e := range sort.Expressions {
spec := &pb.SortSpec{
SortExpression: proto.String(e.Expr),
}
if e.Reverse {
spec.SortDescending = proto.Bool(false)
}
if e.Default != nil {
switch d := e.Default.(type) {
case float64:
spec.DefaultValueNumeric = &d
case string:
spec.DefaultValueText = &d
default:
return fmt.Errorf("search: invalid Default type %T for expression %q", d, e.Expr)
}
}
params.SortSpec = append(params.SortSpec, spec)
}
spec := &pb.ScorerSpec{}
if sort.Limit > 0 {
spec.Limit = proto.Int32(int32(sort.Limit))
params.ScorerSpec = spec
}
if sort.Scorer != nil {
sort.Scorer.toProto(spec)
params.ScorerSpec = spec
}
return nil
}
// DoPerRPCCreds performs a unary RPC with per RPC OAUTH2 token.
func DoPerRPCCreds(tc testpb.TestServiceClient, serviceAccountKeyFile, oauthScope string) {
jsonKey := getServiceAccountJSONKey(serviceAccountKeyFile)
pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(largeRespSize)),
Payload: pl,
FillUsername: proto.Bool(true),
FillOauthScope: proto.Bool(true),
}
token := GetToken(serviceAccountKeyFile, oauthScope)
kv := map[string]string{"authorization": token.TokenType + " " + token.AccessToken}
ctx := metadata.NewContext(context.Background(), metadata.MD{"authorization": []string{kv["authorization"]}})
reply, err := tc.UnaryCall(ctx, req)
if err != nil {
grpclog.Fatal("/TestService/UnaryCall RPC failed: ", err)
}
user := reply.GetUsername()
scope := reply.GetOauthScope()
if !strings.Contains(string(jsonKey), user) {
grpclog.Fatalf("Got user name %q which is NOT a substring of %q.", user, jsonKey)
}
if !strings.Contains(oauthScope, scope) {
grpclog.Fatalf("Got OAuth scope %q which is NOT a substring of %q.", scope, oauthScope)
}
grpclog.Println("PerRPCCreds done")
}
func (cn *Conn) Read(b []byte) (n int, err error) {
const maxRead = 1 << 20
if len(b) > maxRead {
b = b[:maxRead]
}
req := &pb.ReceiveRequest{
SocketDescriptor: &cn.desc,
DataSize: proto.Int32(int32(len(b))),
}
res := &pb.ReceiveReply{}
if !cn.readDeadline.IsZero() {
req.TimeoutSeconds = proto.Float64(cn.readDeadline.Sub(time.Now()).Seconds())
}
ctx, cancel := withDeadline(cn.ctx, cn.readDeadline)
defer cancel()
if err := internal.Call(ctx, "remote_socket", "Receive", req, res); err != nil {
return 0, err
}
if len(res.Data) == 0 {
return 0, io.EOF
}
if len(res.Data) > len(b) {
return 0, fmt.Errorf("socket: internal error: read too much data: %d > %d", len(res.Data), len(b))
}
return copy(b, res.Data), nil
}
// callNext issues a datastore_v3/Next RPC to advance a cursor, such as that
// returned by a query with more results.
func callNext(c context.Context, res *pb.QueryResult, offset, limit int32) error {
if res.Cursor == nil {
return errors.New("datastore: internal error: server did not return a cursor")
}
req := &pb.NextRequest{
Cursor: res.Cursor,
}
if limit >= 0 {
req.Count = proto.Int32(limit)
}
if offset != 0 {
req.Offset = proto.Int32(offset)
}
if res.CompiledCursor != nil {
req.Compile = proto.Bool(true)
}
res.Reset()
return internal.Call(c, "datastore_v3", "Next", req, res)
}
// toRetryParameter converts RetryOptions to pb.TaskQueueRetryParameters.
func (opt *RetryOptions) toRetryParameters() *pb.TaskQueueRetryParameters {
params := &pb.TaskQueueRetryParameters{}
if opt.RetryLimit > 0 {
params.RetryLimit = proto.Int32(opt.RetryLimit)
}
if opt.AgeLimit > 0 {
params.AgeLimitSec = proto.Int64(int64(opt.AgeLimit.Seconds()))
}
if opt.MinBackoff > 0 {
params.MinBackoffSec = proto.Float64(opt.MinBackoff.Seconds())
}
if opt.MaxBackoff > 0 {
params.MaxBackoffSec = proto.Float64(opt.MaxBackoff.Seconds())
}
if opt.MaxDoublings > 0 || (opt.MaxDoublings == 0 && opt.ApplyZeroMaxDoublings) {
params.MaxDoublings = proto.Int32(opt.MaxDoublings)
}
return params
}
func makeRequest(params *Query, appID, versionID string) (*pb.LogReadRequest, error) {
req := &pb.LogReadRequest{}
req.AppId = &appID
if !params.StartTime.IsZero() {
req.StartTime = proto.Int64(params.StartTime.UnixNano() / 1e3)
}
if !params.EndTime.IsZero() {
req.EndTime = proto.Int64(params.EndTime.UnixNano() / 1e3)
}
if len(params.Offset) > 0 {
var offset pb.LogOffset
if err := proto.Unmarshal(params.Offset, &offset); err != nil {
return nil, fmt.Errorf("bad Offset: %v", err)
}
req.Offset = &offset
}
if params.Incomplete {
req.IncludeIncomplete = ¶ms.Incomplete
}
if params.AppLogs {
req.IncludeAppLogs = ¶ms.AppLogs
}
if params.ApplyMinLevel {
req.MinimumLogLevel = proto.Int32(int32(params.MinLevel))
}
if params.Versions == nil {
// If no versions were specified, default to the default module at
// the major version being used by this module.
if i := strings.Index(versionID, "."); i >= 0 {
versionID = versionID[:i]
}
req.VersionId = []string{versionID}
} else {
req.ModuleVersion = make([]*pb.LogModuleVersion, 0, len(params.Versions))
for _, v := range params.Versions {
var m *string
if i := strings.Index(v, ":"); i >= 0 {
m, v = proto.String(v[:i]), v[i+1:]
}
req.ModuleVersion = append(req.ModuleVersion, &pb.LogModuleVersion{
ModuleId: m,
VersionId: proto.String(v),
})
}
}
if params.RequestIDs != nil {
ids := make([][]byte, len(params.RequestIDs))
for i, v := range params.RequestIDs {
ids[i] = []byte(v)
}
req.RequestId = ids
}
return req, nil
}
func (o *autoFacetOpt) setParams(params *pb.SearchParams) error {
lim := int32(o.facetLimit)
if lim == 0 {
lim = defaultAutoFacetLimit
}
params.AutoDiscoverFacetCount = &lim
if o.valueLimit > 0 {
params.FacetAutoDetectParam = &pb.FacetAutoDetectParam{
ValueLimit: proto.Int32(int32(o.valueLimit)),
}
}
return nil
}
func (s *testServer) StreamingInputCall(stream testpb.TestService_StreamingInputCallServer) error {
var sum int
for {
in, err := stream.Recv()
if err == io.EOF {
return stream.SendAndClose(&testpb.StreamingInputCallResponse{
AggregatedPayloadSize: proto.Int32(int32(sum)),
})
}
if err != nil {
return err
}
p := in.GetPayload().GetBody()
sum += len(p)
}
}
// DoLargeUnaryCall performs a unary RPC with large payload in the request and response.
func DoLargeUnaryCall(tc testpb.TestServiceClient) {
pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(largeRespSize)),
Payload: pl,
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
grpclog.Fatal("/TestService/UnaryCall RPC failed: ", err)
}
t := reply.GetPayload().GetType()
s := len(reply.GetPayload().GetBody())
if t != testpb.PayloadType_COMPRESSABLE || s != largeRespSize {
grpclog.Fatalf("Got the reply with type %d len %d; want %d, %d", t, s, testpb.PayloadType_COMPRESSABLE, largeRespSize)
}
grpclog.Println("LargeUnaryCall done")
}
// DoJWTTokenCreds performs a unary RPC with JWT token auth.
func DoJWTTokenCreds(tc testpb.TestServiceClient, serviceAccountKeyFile string) {
pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(largeRespSize)),
Payload: pl,
FillUsername: proto.Bool(true),
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
grpclog.Fatal("/TestService/UnaryCall RPC failed: ", err)
}
jsonKey := getServiceAccountJSONKey(serviceAccountKeyFile)
user := reply.GetUsername()
if !strings.Contains(string(jsonKey), user) {
grpclog.Fatalf("Got user name %q which is NOT a substring of %q.", user, jsonKey)
}
grpclog.Println("JWTtokenCreds done")
}
// DoPingPong performs ping-pong style bi-directional streaming RPC.
func DoPingPong(tc testpb.TestServiceClient) {
stream, err := tc.FullDuplexCall(context.Background())
if err != nil {
grpclog.Fatalf("%v.FullDuplexCall(_) = _, %v", tc, err)
}
var index int
for index < len(reqSizes) {
respParam := []*testpb.ResponseParameters{
{
Size: proto.Int32(int32(respSizes[index])),
},
}
pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, reqSizes[index])
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
Payload: pl,
}
if err := stream.Send(req); err != nil {
grpclog.Fatalf("%v.Send(%v) = %v", stream, req, err)
}
reply, err := stream.Recv()
if err != nil {
grpclog.Fatalf("%v.Recv() = %v", stream, err)
}
t := reply.GetPayload().GetType()
if t != testpb.PayloadType_COMPRESSABLE {
grpclog.Fatalf("Got the reply of type %d, want %d", t, testpb.PayloadType_COMPRESSABLE)
}
size := len(reply.GetPayload().GetBody())
if size != int(respSizes[index]) {
grpclog.Fatalf("Got reply body of length %d, want %d", size, respSizes[index])
}
index++
}
if err := stream.CloseSend(); err != nil {
grpclog.Fatalf("%v.CloseSend() got %v, want %v", stream, err, nil)
}
if _, err := stream.Recv(); err != io.EOF {
grpclog.Fatalf("%v failed to complele the ping pong test: %v", stream, err)
}
grpclog.Println("Pingpong done")
}
// DoServerStreaming performs a server streaming RPC.
func DoServerStreaming(tc testpb.TestServiceClient) {
respParam := make([]*testpb.ResponseParameters, len(respSizes))
for i, s := range respSizes {
respParam[i] = &testpb.ResponseParameters{
Size: proto.Int32(int32(s)),
}
}
req := &testpb.StreamingOutputCallRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseParameters: respParam,
}
stream, err := tc.StreamingOutputCall(context.Background(), req)
if err != nil {
grpclog.Fatalf("%v.StreamingOutputCall(_) = _, %v", tc, err)
}
var rpcStatus error
var respCnt int
var index int
for {
reply, err := stream.Recv()
if err != nil {
rpcStatus = err
break
}
t := reply.GetPayload().GetType()
if t != testpb.PayloadType_COMPRESSABLE {
grpclog.Fatalf("Got the reply of type %d, want %d", t, testpb.PayloadType_COMPRESSABLE)
}
size := len(reply.GetPayload().GetBody())
if size != int(respSizes[index]) {
grpclog.Fatalf("Got reply body of length %d, want %d", size, respSizes[index])
}
index++
respCnt++
}
if rpcStatus != io.EOF {
grpclog.Fatalf("Failed to finish the server streaming rpc: %v", err)
}
if respCnt != len(respSizes) {
grpclog.Fatalf("Got %d reply, want %d", len(respSizes), respCnt)
}
grpclog.Println("ServerStreaming done")
}
// saveDoc converts from a struct pointer or
// FieldLoadSaver/FieldMetadataLoadSaver to the Document protobuf.
func saveDoc(src interface{}) (*pb.Document, error) {
var err error
var fields []Field
var meta *DocumentMetadata
switch x := src.(type) {
case FieldLoadSaver:
fields, meta, err = x.Save()
default:
fields, err = SaveStruct(src)
}
if err != nil {
return nil, err
}
fieldsProto, err := fieldsToProto(fields)
if err != nil {
return nil, err
}
d := &pb.Document{
Field: fieldsProto,
OrderId: proto.Int32(int32(time.Since(orderIDEpoch).Seconds())),
}
if meta != nil {
if meta.Rank != 0 {
if !validDocRank(meta.Rank) {
return nil, fmt.Errorf("search: invalid rank %d, must be [0, 2^31)", meta.Rank)
}
*d.OrderId = int32(meta.Rank)
}
if len(meta.Facets) > 0 {
facets, err := facetsToProto(meta.Facets)
if err != nil {
return nil, err
}
d.Facet = facets
}
}
return d, nil
}
// DoComputeEngineCreds performs a unary RPC with compute engine auth.
func DoComputeEngineCreds(tc testpb.TestServiceClient, serviceAccount, oauthScope string) {
pl := clientNewPayload(testpb.PayloadType_COMPRESSABLE, largeReqSize)
req := &testpb.SimpleRequest{
ResponseType: testpb.PayloadType_COMPRESSABLE.Enum(),
ResponseSize: proto.Int32(int32(largeRespSize)),
Payload: pl,
FillUsername: proto.Bool(true),
FillOauthScope: proto.Bool(true),
}
reply, err := tc.UnaryCall(context.Background(), req)
if err != nil {
grpclog.Fatal("/TestService/UnaryCall RPC failed: ", err)
}
user := reply.GetUsername()
scope := reply.GetOauthScope()
if user != serviceAccount {
grpclog.Fatalf("Got user name %q, want %q.", user, serviceAccount)
}
if !strings.Contains(oauthScope, scope) {
grpclog.Fatalf("Got OAuth scope %q which is NOT a substring of %q.", scope, oauthScope)
}
grpclog.Println("ComputeEngineCreds done")
}
// Get loads the document with the given ID into dst.
//
// The ID is a human-readable ASCII string. It must be non-empty, contain no
// whitespace characters and not start with "!".
//
// dst must be a non-nil struct pointer or implement the FieldLoadSaver
// interface.
//
// ErrFieldMismatch is returned when a field is to be loaded into a different
// type than the one it was stored from, or when a field is missing or
// unexported in the destination struct. ErrFieldMismatch is only returned if
// dst is a struct pointer. It is up to the callee to decide whether this error
// is fatal, recoverable, or ignorable.
func (x *Index) Get(c context.Context, id string, dst interface{}) error {
if id == "" || !validIndexNameOrDocID(id) {
return fmt.Errorf("search: invalid ID %q", id)
}
req := &pb.ListDocumentsRequest{
Params: &pb.ListDocumentsParams{
IndexSpec: &x.spec,
StartDocId: proto.String(id),
Limit: proto.Int32(1),
},
}
res := &pb.ListDocumentsResponse{}
if err := internal.Call(c, "search", "ListDocuments", req, res); err != nil {
return err
}
if res.Status == nil || res.Status.GetCode() != pb.SearchServiceError_OK {
return fmt.Errorf("search: %s: %s", res.Status.GetCode(), res.Status.GetErrorDetail())
}
if len(res.Document) != 1 || res.Document[0].GetId() != id {
return ErrNoSuchDocument
}
return loadDoc(dst, res.Document[0], nil)
}
func moreSearch(t *Iterator) error {
// We use per-result (rather than single/per-page) cursors since this
// lets us return a Cursor for every iterator document. The two cursor
// types are largely interchangeable: a page cursor is the same as the
// last per-result cursor in a given search response.
req := &pb.SearchRequest{
Params: &pb.SearchParams{
IndexSpec: &t.index.spec,
Query: &t.searchQuery,
Cursor: t.searchCursor,
CursorType: pb.SearchParams_PER_RESULT.Enum(),
FieldSpec: &pb.FieldSpec{
Name: t.fields,
},
},
}
if t.limit > 0 {
req.Params.Limit = proto.Int32(int32(t.limit))
}
if t.searchOffset > 0 {
req.Params.Offset = proto.Int32(int32(t.searchOffset))
t.searchOffset = 0
}
if t.idsOnly {
req.Params.KeysOnly = &t.idsOnly
}
if t.sort != nil {
if err := sortToProto(t.sort, req.Params); err != nil {
return err
}
}
if t.refinements != nil {
if err := refinementsToProto(t.refinements, req.Params); err != nil {
return err
}
}
for _, e := range t.exprs {
req.Params.FieldSpec.Expression = append(req.Params.FieldSpec.Expression, &pb.FieldSpec_Expression{
Name: proto.String(e.Name),
Expression: proto.String(e.Expr),
})
}
for _, f := range t.facetOpts {
if err := f.setParams(req.Params); err != nil {
return fmt.Errorf("bad FacetSearchOption: %v", err)
}
}
// Don't repeat facet search.
t.facetOpts = nil
res := &pb.SearchResponse{}
if err := internal.Call(t.c, "search", "Search", req, res); err != nil {
return err
}
if res.Status == nil || res.Status.GetCode() != pb.SearchServiceError_OK {
return fmt.Errorf("search: %s: %s", res.Status.GetCode(), res.Status.GetErrorDetail())
}
t.searchRes = res.Result
if len(res.FacetResult) > 0 {
t.facetRes = res.FacetResult
}
t.count = int(*res.MatchedCount)
if t.limit > 0 {
t.more = nil
} else {
t.more = moreSearch
}
return nil
}
// toProto converts the query to a protocol buffer.
func (q *Query) toProto(dst *pb.Query, appID string) error {
if len(q.projection) != 0 && q.keysOnly {
return errors.New("datastore: query cannot both project and be keys-only")
}
dst.Reset()
dst.App = proto.String(appID)
if q.kind != "" {
dst.Kind = proto.String(q.kind)
}
if q.ancestor != nil {
dst.Ancestor = keyToProto(appID, q.ancestor)
if q.eventual {
dst.Strong = proto.Bool(false)
}
}
if q.projection != nil {
dst.PropertyName = q.projection
if q.distinct {
dst.GroupByPropertyName = q.projection
}
}
if q.keysOnly {
dst.KeysOnly = proto.Bool(true)
dst.RequirePerfectPlan = proto.Bool(true)
}
for _, qf := range q.filter {
if qf.FieldName == "" {
return errors.New("datastore: empty query filter field name")
}
p, errStr := valueToProto(appID, qf.FieldName, reflect.ValueOf(qf.Value), false)
if errStr != "" {
return errors.New("datastore: bad query filter value type: " + errStr)
}
xf := &pb.Query_Filter{
Op: operatorToProto[qf.Op],
Property: []*pb.Property{p},
}
if xf.Op == nil {
return errors.New("datastore: unknown query filter operator")
}
dst.Filter = append(dst.Filter, xf)
}
for _, qo := range q.order {
if qo.FieldName == "" {
return errors.New("datastore: empty query order field name")
}
xo := &pb.Query_Order{
Property: proto.String(qo.FieldName),
Direction: sortDirectionToProto[qo.Direction],
}
if xo.Direction == nil {
return errors.New("datastore: unknown query order direction")
}
dst.Order = append(dst.Order, xo)
}
if q.limit >= 0 {
dst.Limit = proto.Int32(q.limit)
}
if q.offset != 0 {
dst.Offset = proto.Int32(q.offset)
}
dst.CompiledCursor = q.start
dst.EndCompiledCursor = q.end
dst.Compile = proto.Bool(true)
return nil
}
// toProto converts the query to a protocol buffer.
func (q *Query) toProto(req *pb.RunQueryRequest) error {
dst := pb.Query{}
if len(q.projection) != 0 && q.keysOnly {
return errors.New("datastore: query cannot both project and be keys-only")
}
dst.Reset()
if q.kind != "" {
dst.Kind = []*pb.KindExpression{&pb.KindExpression{Name: proto.String(q.kind)}}
}
if q.projection != nil {
for _, propertyName := range q.projection {
dst.Projection = append(dst.Projection, &pb.PropertyExpression{Property: &pb.PropertyReference{Name: proto.String(propertyName)}})
}
if q.distinct {
for _, propertyName := range q.projection {
dst.GroupBy = append(dst.GroupBy, &pb.PropertyReference{Name: proto.String(propertyName)})
}
}
}
if q.keysOnly {
dst.Projection = []*pb.PropertyExpression{&pb.PropertyExpression{Property: &pb.PropertyReference{Name: proto.String(keyFieldName)}}}
}
var filters []*pb.Filter
for _, qf := range q.filter {
if qf.FieldName == "" {
return errors.New("datastore: empty query filter field name")
}
v, errStr := interfaceToProto(reflect.ValueOf(qf.Value).Interface())
if errStr != "" {
return errors.New("datastore: bad query filter value type: " + errStr)
}
xf := &pb.PropertyFilter{
Operator: operatorToProto[qf.Op],
Property: &pb.PropertyReference{Name: proto.String(qf.FieldName)},
Value: v,
}
if xf.Operator == nil {
return errors.New("datastore: unknown query filter operator")
}
filters = append(filters, &pb.Filter{PropertyFilter: xf})
}
if q.ancestor != nil {
filters = append(filters, &pb.Filter{
PropertyFilter: &pb.PropertyFilter{
Property: &pb.PropertyReference{Name: proto.String("__key__")},
Operator: pb.PropertyFilter_HAS_ANCESTOR.Enum(),
Value: &pb.Value{KeyValue: keyToProto(q.ancestor)},
}})
}
if len(filters) == 1 {
dst.Filter = filters[0]
} else if len(filters) > 1 {
dst.Filter = &pb.Filter{CompositeFilter: &pb.CompositeFilter{
Operator: pb.CompositeFilter_AND.Enum(),
Filter: filters,
}}
}
for _, qo := range q.order {
if qo.FieldName == "" {
return errors.New("datastore: empty query order field name")
}
xo := &pb.PropertyOrder{
Property: &pb.PropertyReference{Name: proto.String(qo.FieldName)},
Direction: sortDirectionToProto[qo.Direction],
}
if xo.Direction == nil {
return errors.New("datastore: unknown query order direction")
}
dst.Order = append(dst.Order, xo)
}
if q.limit >= 0 {
dst.Limit = proto.Int32(q.limit)
}
if q.offset != 0 {
dst.Offset = proto.Int32(q.offset)
}
dst.StartCursor = q.start
dst.EndCursor = q.end
if t := q.trans; t != nil {
if t.id == nil {
return errExpiredTransaction
}
req.ReadOptions = &pb.ReadOptions{Transaction: t.id}
}
req.Query = &dst
return nil
}
func (o facetDepthOpt) setParams(params *pb.SearchParams) error {
params.FacetDepth = proto.Int32(int32(o))
return nil
}
func handle(w http.ResponseWriter, req *http.Request) {
c := appengine.NewContext(req)
u := user.Current(c)
if u == nil {
u, _ = user.CurrentOAuth(c,
"https://www.googleapis.com/auth/cloud-platform",
"https://www.googleapis.com/auth/appengine.apis",
)
}
if u == nil || !u.Admin {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(http.StatusUnauthorized)
io.WriteString(w, "You must be logged in as an administrator to access this.\n")
return
}
if req.Header.Get("X-Appcfg-Api-Version") == "" {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(http.StatusForbidden)
io.WriteString(w, "This request did not contain a necessary header.\n")
return
}
if req.Method != "POST" {
// Response must be YAML.
rtok := req.FormValue("rtok")
if rtok == "" {
rtok = "0"
}
w.Header().Set("Content-Type", "text/yaml; charset=utf-8")
fmt.Fprintf(w, `{app_id: %q, rtok: %q}`, internal.FullyQualifiedAppID(c), rtok)
return
}
defer req.Body.Close()
body, err := ioutil.ReadAll(req.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
log.Errorf(c, "Failed reading body: %v", err)
return
}
remReq := &pb.Request{}
if err := proto.Unmarshal(body, remReq); err != nil {
w.WriteHeader(http.StatusBadRequest)
log.Errorf(c, "Bad body: %v", err)
return
}
service, method := *remReq.ServiceName, *remReq.Method
if !requestSupported(service, method) {
w.WriteHeader(http.StatusBadRequest)
log.Errorf(c, "Unsupported RPC /%s.%s", service, method)
return
}
rawReq := &rawMessage{remReq.Request}
rawRes := &rawMessage{}
err = internal.Call(c, service, method, rawReq, rawRes)
remRes := &pb.Response{}
if err == nil {
remRes.Response = rawRes.buf
} else if ae, ok := err.(*internal.APIError); ok {
remRes.ApplicationError = &pb.ApplicationError{
Code: &ae.Code,
Detail: &ae.Detail,
}
} else {
// This shouldn't normally happen.
log.Errorf(c, "appengine/remote_api: Unexpected error of type %T: %v", err, err)
remRes.ApplicationError = &pb.ApplicationError{
Code: proto.Int32(0),
Detail: proto.String(err.Error()),
}
}
out, err := proto.Marshal(remRes)
if err != nil {
// This should not be possible.
w.WriteHeader(500)
log.Errorf(c, "proto.Marshal: %v", err)
return
}
log.Infof(c, "Spooling %d bytes of response to /%s.%s", len(out), service, method)
w.Header().Set("Content-Type", "application/octet-stream")
w.Header().Set("Content-Length", strconv.Itoa(len(out)))
w.Write(out)
}
// DialTimeout is like Dial but takes a timeout.
// The timeout includes name resolution, if required.
func DialTimeout(ctx context.Context, protocol, addr string, timeout time.Duration) (*Conn, error) {
dialCtx := ctx // Used for dialing and name resolution, but not stored in the *Conn.
if timeout > 0 {
var cancel context.CancelFunc
dialCtx, cancel = context.WithTimeout(ctx, timeout)
defer cancel()
}
host, portStr, err := net.SplitHostPort(addr)
if err != nil {
return nil, err
}
port, err := strconv.Atoi(portStr)
if err != nil {
return nil, fmt.Errorf("socket: bad port %q: %v", portStr, err)
}
var prot pb.CreateSocketRequest_SocketProtocol
switch protocol {
case "tcp":
prot = pb.CreateSocketRequest_TCP
case "udp":
prot = pb.CreateSocketRequest_UDP
default:
return nil, fmt.Errorf("socket: unknown protocol %q", protocol)
}
packedAddrs, resolved, err := resolve(dialCtx, ipFamilies, host)
if err != nil {
return nil, fmt.Errorf("socket: failed resolving %q: %v", host, err)
}
if len(packedAddrs) == 0 {
return nil, fmt.Errorf("no addresses for %q", host)
}
packedAddr := packedAddrs[0] // use first address
fam := pb.CreateSocketRequest_IPv4
if len(packedAddr) == net.IPv6len {
fam = pb.CreateSocketRequest_IPv6
}
req := &pb.CreateSocketRequest{
Family: fam.Enum(),
Protocol: prot.Enum(),
RemoteIp: &pb.AddressPort{
Port: proto.Int32(int32(port)),
PackedAddress: packedAddr,
},
}
if resolved {
req.RemoteIp.HostnameHint = &host
}
res := &pb.CreateSocketReply{}
if err := internal.Call(dialCtx, "remote_socket", "CreateSocket", req, res); err != nil {
return nil, err
}
return &Conn{
ctx: ctx,
desc: res.GetSocketDescriptor(),
prot: prot,
local: res.ProxyExternalIp,
remote: req.RemoteIp,
}, nil
}
