| 64 | } |
| 65 | |
| 66 | func (s *serdes[S, _, _]) sendLoop() { |
| 67 | s.logger.Debug(s.ctx, "starting sendLoop") |
| 68 | defer s.closeIdempotent() |
| 69 | for { |
| 70 | select { |
| 71 | case <-s.ctx.Done(): |
| 72 | s.logger.Debug(s.ctx, "sendLoop canceled", slog.Error(s.ctx.Err())) |
| 73 | return |
| 74 | case msg, ok := <-s.sendCh: |
| 75 | if !ok { |
| 76 | s.logger.Debug(s.ctx, "sendCh closed") |
| 77 | return |
| 78 | } |
| 79 | mb, err := proto.Marshal(msg) |
| 80 | if err != nil { |
| 81 | s.logger.Critical(s.ctx, "failed to marshal message", slog.Error(err)) |
| 82 | return |
| 83 | } |
| 84 | // #nosec G115 - Safe conversion as protobuf message length is expected to be within uint32 range |
| 85 | if err := binary.Write(s.conn, binary.BigEndian, uint32(len(mb))); err != nil { |
| 86 | s.logger.Debug(s.ctx, "failed to write length", slog.Error(err)) |
| 87 | return |
| 88 | } |
| 89 | if _, err := s.conn.Write(mb); err != nil { |
| 90 | s.logger.Debug(s.ctx, "failed to write message", slog.Error(err)) |
| 91 | return |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | func (s *serdes[_, _, _]) closeIdempotent() { |
| 98 | s.closeOnce.Do(func() { |