48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package response
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import (
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"fmt"
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"github.com/nspcc-dev/neofs-node/pkg/services/util"
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)
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// ClientMessageStreamer represents client-side message streamer
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// that sets meta values to the response.
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type ClientMessageStreamer struct {
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cfg *cfg
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send util.RequestMessageWriter
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close util.ClientStreamCloser
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}
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// Send calls send method of internal streamer.
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func (s *ClientMessageStreamer) Send(req interface{}) error {
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if err := s.send(req); err != nil {
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return fmt.Errorf("(%T) could not send the request: %w", s, err)
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}
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return nil
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}
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// CloseAndRecv closes internal stream, receivers the response,
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// sets meta values and returns the result.
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func (s *ClientMessageStreamer) CloseAndRecv() (util.ResponseMessage, error) {
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resp, err := s.close()
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if err != nil {
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return nil, fmt.Errorf("(%T) could not close stream and receive response: %w", s, err)
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}
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setMeta(resp, s.cfg)
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return resp, nil
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}
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// CreateRequestStreamer wraps stream methods and returns ClientMessageStreamer instance.
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func (s *Service) CreateRequestStreamer(sender util.RequestMessageWriter, closer util.ClientStreamCloser) *ClientMessageStreamer {
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return &ClientMessageStreamer{
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cfg: s.cfg,
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send: sender,
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close: closer,
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}
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}
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