[ISSUE #2308]🚀Add some method for SelectMappedBufferResult #2309
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Actionable comments posted: 2
🧹 Nitpick comments (1)
rocketmq-store/src/base/select_result.rs (1)
80-84: Consider implementing Drop trait for automatic cleanup.To prevent resource leaks when instances are dropped without explicit release calls, consider implementing the Drop trait if not already implemented elsewhere.
impl Drop for SelectMappedBufferResult { fn drop(&mut self) { self.release(); } }
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rocketmq-store/src/base/select_result.rs(1 hunks)
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| pub fn release(&mut self) { | ||
| if let Some(mapped_file) = self.mapped_file.take() { | ||
| mapped_file.release() | ||
| } | ||
| } |
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🛠️ Refactor suggestion
Add comprehensive documentation for the release method.
While the implementation is correct, please add documentation comments that explain:
- The purpose and responsibility of this method
- Whether it's safe to call multiple times
- The relationship with other buffer methods (get_buffer, get_bytes, etc.)
- Whether manual calls are required or if automatic cleanup is available
Example documentation:
/// Releases the resources associated with the mapped file.
///
/// This method is safe to call multiple times as it ensures the mapped file
/// is only released once. After calling this method, other buffer-related
/// methods like `get_buffer()` will panic if called.
///
/// Note: This method must be called explicitly to release resources, as
/// automatic cleanup is not provided through the Drop trait.
pub fn release(&mut self) {💡 Codebase verification
Add safety documentation for buffer methods
The verification confirms that get_buffer() and get_buffer_slice_mut() can panic if called after release(). Add documentation to these methods warning about the panic behavior. Consider using get_bytes() instead, which already safely returns Option<Bytes>.
Example locations that need documentation:
get_buffer()in select_result.rsget_buffer_slice_mut()in select_result.rs
🔗 Analysis chain
Add safety documentation for buffer methods.
The existing buffer methods (get_buffer, get_bytes, etc.) can panic if called after release(). Consider adding documentation to these methods warning about this behavior, or return Result/Option to handle the case where the buffer has been released.
Let's verify if there are any existing usages that might be affected:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for direct calls to get_buffer and related methods
rg -A 2 "get_buffer|get_bytes|is_in_mem" --type rust
# Search for potential error handling of these methods
ast-grep --pattern 'match $_.get_buffer() { $$ }'
Length of output: 10350
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #2309 +/- ##
==========================================
- Coverage 28.21% 28.21% -0.01%
==========================================
Files 504 504
Lines 72451 72456 +5
==========================================
Hits 20440 20440
- Misses 52011 52016 +5 ☔ View full report in Codecov by Sentry. |
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Which Issue(s) This PR Fixes(Closes)
Fixes #2308
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