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ProtocolReader.ReadAsync doesn't advance if read is successful
See original GitHub issueThe AdvanceTo is only invoked when read fails; most protocols will involve multiple messages, but the second call to ReadAsync reliably fails with:
Unhandled exception. System.InvalidOperationException: Advance must be called before calling ReadAsync
Repro is here
Issue Analytics
- State:
- Created 4 years ago
- Comments:16 (4 by maintainers)
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On the API design: I think I’m in favor of the explicit
Advance. This ties in well with allowing me to do a zero-copy parse that just deframes segments of the original buffer. Then we can callAdvanceonce the deframed data has been processed. So: nothing to see here!@davidfowl the state machine evaporates if we https://github.com/dotnet/runtime/issues/13633