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y-scope / clp

Compressed Log Processor (CLP) is a free log management tool capable of compressing logs and searching the compressed logs without decompression.
https://yscope.com
Apache License 2.0
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fix(ffi): Correct `clp::ffi::ir_stream::Deserializer::deserialize_next_ir_unit`'s return value when failing to read the next IR unit's type tag. #579

Closed LinZhihao-723 closed 1 week ago

LinZhihao-723 commented 1 week ago

Description

Before this PR, when the deserializer fails to read the next IR unit's type tag, it returns std::errc::no_message_available. However, this error should be equivalent to incomplete IR stream error, which should be the same with std::errc::result_out_of_range. This PR fixes this issue. The PR also removed unused includes from Deserializer's header.

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Summary by CodeRabbit

coderabbitai[bot] commented 1 week ago

Walkthrough

The changes in this pull request focus on enhancing the error handling capabilities within the Deserializer class, specifically in the deserialize_next_ir_unit method. The return type has been modified to allow specific error codes from the deserialize_tag function to propagate, rather than returning a fixed error code. This adjustment improves the granularity of error reporting during the deserialization process. Additionally, comments in the code have been updated to reflect these changes.

Changes

File Path Change Summary
components/core/src/clp/ffi/ir_stream/Deserializer.hpp Updated the return type of deserialize_next_ir_unit to forward error codes from deserialize_tag. Adjusted logic for error handling and updated comments accordingly.

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📜 Recent review details **Configuration used: CodeRabbit UI** **Review profile: CHILL**
📥 Commits Reviewing files that changed from the base of the PR and between 9154949fb24a9416e1392e0681c6961dae7fffb7 and 9353ee629f97380e3b4737b6f27128340c94524c.
📒 Files selected for processing (1) * `components/core/src/clp/ffi/ir_stream/Deserializer.hpp` (2 hunks)
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📓 Learnings (1)
components/core/src/clp/ffi/ir_stream/Deserializer.hpp (2) ``` Learnt from: LinZhihao-723 PR: y-scope/clp#549 File: components/core/src/clp/ffi/ir_stream/Deserializer.hpp:209-210 Timestamp: 2024-10-08T15:52:50.753Z Learning: Until #486 is merged with customized error code support, introducing a layer from `IRErrorCode` to `std::errc` is unnecessary. ``` ``` Learnt from: LinZhihao-723 PR: y-scope/clp#549 File: components/core/src/clp/ffi/ir_stream/Deserializer.hpp:209-210 Timestamp: 2024-10-01T07:59:15.290Z Learning: Until #486 is merged with customized error code support, introducing a layer from `IRErrorCode` to `std::errc` is unnecessary. ```
🔇 Additional comments (2)
components/core/src/clp/ffi/ir_stream/Deserializer.hpp (2) `68-69`: **Documentation accurately reflects error propagation.** The updated documentation properly describes that error codes from `deserialize_tag` are forwarded when tag bytes cannot be read, which aligns with the improved error handling approach. --- `174-175`: **Consider deferring IRErrorCode to std::errc conversion.** Based on previous discussions in PR #549, introducing a conversion layer from `IRErrorCode` to `std::errc` was deemed unnecessary until PR #486 is merged with customized error code support. The current changes might introduce inconsistency in error handling. Consider either: 1. Waiting for PR #486 to be merged before implementing this conversion, or 2. Documenting why this case warrants an exception to that guideline Let's verify the status of PR #486:

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kirkrodrigues commented 1 week ago

In the PR description, I guess you mean:

However, this error should be equivalent to incomplete IR stream error, which should be the same with ~std::errc::no_message_available~std::errc::result_out_of_range.

LinZhihao-723 commented 1 week ago

In the PR description, I guess you mean:

However, this error should be equivalent to incomplete IR stream error, which should be the same with ~std::errc::no_message_available~std::errc::result_out_of_range.

Right... my bad