Update to Rust 2021, and auto-apply clippy lints #148
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WalkthroughThe recent updates to the codebase focus on modernizing and simplifying the Rust project. Key improvements include upgrading the Rust edition, refining pattern matching, enhancing error handling, and optimizing data structures and method calls for clarity and efficiency. These changes aim to make the code more readable, maintainable, and aligned with current Rust standards. Changes
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Files skipped from review as they are similar to previous changes (2)
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| @@ -45,15 +44,13 @@ impl fmt::Display for StoreCommand { | |||
| struct CappedLineReader<C> { | |||
| inner: C, | |||
| filled: usize, | |||
| buf: [u8; 2048], | |||
| buf: Vec<u8>, | |||
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Codebase Verification
The extracted content from the test test_capped_line_reader in the src/protocol/ascii.rs file shows that the test primarily focuses on the functionality of reading lines correctly using the CappedLineReader. The test uses a mock reader to simulate input and checks if the CappedLineReader can correctly parse lines from the input. However, there is no indication that this test assesses memory usage or performance implications of using a Vec<u8> instead of a fixed-size array.
Given the lack of specific tests or benchmarks addressing the memory usage or performance after changing to Vec<u8>, we cannot conclusively verify that there are no unintended side effects such as increased memory usage or performance degradation due to this change. It would be advisable to implement or look for additional benchmarks or profiling tests that specifically measure these aspects.
Analysis chain
Replacing fixed-size array with Vec<u8> in CappedLineReader struct allows for more flexible buffer management. Ensure that there are no unintended side effects such as increased memory usage or performance degradation.
The search results from the rg command indicate that the CappedLineReader struct is indeed present in the src/protocol/ascii.rs file and is used in various contexts, including instantiation and method implementations. However, the output does not provide direct evidence regarding the impact of replacing a fixed-size array with Vec<u8> on memory usage or performance.
To further verify the impact of this change, we need to examine the usage patterns of CappedLineReader and possibly look for any benchmarks or tests that measure memory usage or performance. This will help us determine if there are any reported or observable issues related to the change.
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The search results indicate that there is a test specifically for the `CappedLineReader` within the `src/protocol/ascii.rs` file. This suggests that there is some level of automated testing in place to verify the functionality of the `CappedLineReader`. However, the output does not provide details on whether this test covers aspects related to memory usage or performance, which are critical in assessing the impact of changing from a fixed-size array to a `Vec<u8>`.
To conclusively verify the impact of this change on memory usage and performance, we need to examine the contents of the test to see if it addresses these concerns.
Scripts Executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for any reported issues with increased memory usage or performance degradation due to this change.
rg --type rust "CappedLineReader"
Length of output: 365
Script:
#!/bin/bash
# Search for benchmarks or tests related to CappedLineReader
rg --type rust "CappedLineReader" -A 30 -B 30 | rg "bench|test"
Length of output: 223
Script:
#!/bin/bash
# Extract the content of the test for CappedLineReader to assess its focus areas
rg --type rust --context 10 "fn test_capped_line_reader" src/protocol/ascii.rs
Length of output: 786
| value: V, | ||
| options: &Options, | ||
| ) -> Result<bool, MemcacheError> { | ||
| if command == StoreCommand::Cas { | ||
| if options.cas.is_none() { | ||
| Err(ClientError::Error(Cow::Borrowed( | ||
| "cas_id should be present when using cas command", | ||
| )))?; | ||
| } | ||
| if command == StoreCommand::Cas && options.cas.is_none() { | ||
| Err(ClientError::Error(Cow::Borrowed( | ||
| "cas_id should be present when using cas command", | ||
| )))?; | ||
| } | ||
| let noreply = if options.noreply { " noreply" } else { "" }; | ||
| if options.cas.is_some() { |
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Codebase Verification
The verification process did not find any test cases specifically covering the store method or CAS operations in the provided codebase. It is recommended to add comprehensive tests to ensure the functionality and error handling of the store method, especially for edge cases involving CAS operations, are well-tested.
Analysis chain
📝 NOTE
This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [348-380]
The changes in the store method, including the check for cas_id presence and the use of write_all, improve error handling and data integrity. Ensure that these changes are well-tested, especially in edge cases.
Scripts Executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Verify comprehensive testing of the `store` method, particularly for edge cases involving CAS operations.
rg --type rust "store.*test"
Length of output: 30
Script:
#!/bin/bash
# Broaden the search to find any test cases related to the `store` method or CAS operations in the test files.
rg --type rust --files-with-matches 'fn test' | xargs rg 'store|CAS'
Length of output: 703
Avoids a bunch of `return` statements in favor of shorthands. Removes a useless `Arc` indirection, and avoids `Arc::clone` within `get_connection`.
This uses a `Vec` instead, plus iterator chaining, and avoids a `Clone` of the `Connection`.
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Thanks for the contribution! At first glance, I want to know if this change is just do the auto apply clippy lints? If so, I want to wait for #147 to be merged to decrease the conflict risks. |
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There is a bunch of other optimizations as well, but no rush here. Eventually, I might want to also improve the way that |
That PR is good to go, just needs review. |
Summary by CodeRabbit
New Features
ClientBuilderandTlsOptions.Refactor
client.rsandconnection.rs.protocol/ascii.rsandtests.rs.Bug Fixes