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cb7f2fa6fd
Related to #39095 https://go.dev/doc/modules/version-numbers Update pkg version according to golang dep version convention --------- Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
package contextutil
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import (
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"context"
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"encoding/base64"
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"fmt"
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"github.com/cockroachdb/errors"
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"google.golang.org/grpc/metadata"
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"google.golang.org/protobuf/proto"
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"github.com/milvus-io/milvus/pkg/v2/proto/streamingpb"
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)
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const (
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createConsumerKey = "create-consumer"
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)
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// WithCreateConsumer attaches create consumer request to context.
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func WithCreateConsumer(ctx context.Context, req *streamingpb.CreateConsumerRequest) context.Context {
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bytes, err := proto.Marshal(req)
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if err != nil {
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panic(fmt.Sprintf("unreachable: marshal create consumer request should never failed, %+v", req))
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}
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// use base64 encoding to transfer binary to text.
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msg := base64.StdEncoding.EncodeToString(bytes)
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return metadata.AppendToOutgoingContext(ctx, createConsumerKey, msg)
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}
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// GetCreateConsumer gets create consumer request from context.
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func GetCreateConsumer(ctx context.Context) (*streamingpb.CreateConsumerRequest, error) {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return nil, errors.New("create consumer metadata not found from incoming context")
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}
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msg := md.Get(createConsumerKey)
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if len(msg) == 0 {
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return nil, errors.New("create consumer metadata not found")
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}
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bytes, err := base64.StdEncoding.DecodeString(msg[0])
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if err != nil {
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return nil, errors.Wrap(err, "decode create consumer metadata failed")
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}
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req := &streamingpb.CreateConsumerRequest{}
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if err := proto.Unmarshal(bytes, req); err != nil {
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return nil, errors.Wrap(err, "unmarshal create consumer request failed")
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}
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return req, nil
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}
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