Function tryBufferFromReader

pkg/util/http.go:263–270

tryBufferFromReader attempts to cast the reader to a `*bytes.Buffer` this is possible when using httpgrpc. If it fails it will return nil and false.

(reader io.Reader)

// tryBufferFromReader attempts to cast the reader to a `*bytes.Buffer` this is possible when using httpgrpc.
// If it fails it will return nil and false.
func tryBufferFromReader(reader io.Reader) (*bytes.Buffer, bool) {
	if bufReader, ok := reader.(interface {
		BytesBuffer() *bytes.Buffer
	}); ok && bufReader != nil {
		return bufReader.BytesBuffer(), true
	}
	return nil, false
}

// SerializeProtoResponse serializes a protobuf response into an HTTP response.
func SerializeProtoResponse(w http.ResponseWriter, resp proto.Message, compression CompressionType) error {