[ISSUE #1500]♻️Refactor SendMessageRequestHeaderV2🍻 #1501
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WalkthroughThe pull request introduces significant modifications to several components within the RocketMQ remoting protocol. Key changes include updating method signatures for error handling in the Changes
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #1501 +/- ##
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+ Coverage 23.28% 23.79% +0.50%
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Files 450 450
Lines 58674 58917 +243
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+ Hits 13663 14018 +355
+ Misses 45011 44899 -112 ☔ View full report in Codecov by Sentry. |
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🧹 Outside diff range and nitpick comments (6)
rocketmq-remoting/src/protocol/command_custom_header.rs (2)
74-79: Document the purpose of the defaultdecode_fastimplementationThe default implementation of
decode_fastin theCommandCustomHeadertrait returnsOk(())without performing any actions. Consider adding documentation to clarify that this default method should be overridden by implementing types that require custom decoding logic.
90-120: Improve error handling inget_and_check_not_nonemethodThe method
get_and_check_not_nonecan be simplified using theclonedandok_or_elsemethods for clearer error handling.Apply this diff to enhance readability and efficiency:
- fn get_and_check_not_none( - &self, - map: &HashMap<CheetahString, CheetahString>, - field: &CheetahString, - ) -> crate::Result<CheetahString> { - match map.get(field) { - Some(value) => Ok(value.clone()), - None => Err(crate::remoting_error::RemotingError::RemotingCommandError( - format!("The field {} is required.", field), - )), - } - } + fn get_and_check_not_none( + &self, + map: &HashMap<CheetahString, CheetahString>, + field: &CheetahString, + ) -> crate::Result<CheetahString> { + map.get(field) + .cloned() + .ok_or_else(|| crate::remoting_error::RemotingError::RemotingCommandError( + format!("The field {} is required.", field), + )) + }rocketmq-remoting/src/protocol/header/message_operation_header/send_message_request_header_v2.rs (2)
28-28: Remove unused import if unnecessaryThe import of
RemotingError::RemotingCommandErroris added but may not be required in this file. Ensure that this import is needed; otherwise, consider removing it to clean up the code.
Line range hint
149-206: Handle parsing errors to prevent panics indecode_fastThe
decode_fastmethod usesparse().unwrap()when parsing fields, which can cause the application to panic if parsing fails. Replaceunwrap()with proper error handling to ensure robustness.Apply this diff to handle parsing errors safely:
- self.j = Some(v.parse().unwrap()); + self.j = Some(v.parse().map_err(|_| RemotingCommandError("Parse field j error".to_string()))?); - self.k = Some( - v.parse() - .map_err(|_| RemotingCommandError("Parse field k error".to_string()))?, - ); - self.l = Some( - v.parse() - .map_err(|_| RemotingCommandError("Parse field l error".to_string()))?, - ); - self.m = Some( - v.parse() - .map_err(|_| RemotingCommandError("Parse field m error".to_string()))?, - );This change ensures that any parsing errors are properly propagated as
Errvalues.rocketmq-remoting/src/protocol/header/pull_message_response_header.rs (1)
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137-174: Safely handle parsing indecode_fastto avoid panicsIn the
decode_fastmethod, usingparse().unwrap()can lead to panics if the data cannot be parsed. Replaceunwrap()withmap_errto return meaningful errors and prevent the application from crashing.Apply this diff to improve error handling:
if let Some(offset_delta) = fields.get(&CheetahString::from_static_str(Self::SUGGEST_WHICH_BROKER_ID)) { - self.suggest_which_broker_id = Some(offset_delta.parse().unwrap()); + self.suggest_which_broker_id = Some(offset_delta.parse().map_err(|_| RemotingCommandError("Parse field suggestWhichBrokerId error".to_string()))?); }Repeat similar changes for the other fields (
next_begin_offset,min_offset, etc.) to handle parsing errors appropriately.rocketmq-remoting/src/protocol/header/pull_message_request_header.rs (1)
Line range hint
214-319: Prevent application panics by handling errors indecode_fastThe use of
str.parse::<i64>().unwrap()and similar statements can cause panics if parsing fails. Modify the code to handle parsing errors usingmap_errand return them as part of theResult.Apply this diff to handle parsing errors safely:
- self.queue_offset = str.parse::<i64>().unwrap(); + self.queue_offset = str.parse::<i64>().map_err(|_| RemotingCommandError("Parse field queueOffset error".to_string()))?; - self.max_msg_nums = str.parse::<i32>().unwrap(); + self.max_msg_nums = str.parse::<i32>().map_err(|_| RemotingCommandError("Parse field maxMsgNums error".to_string()))?; - self.sys_flag = str.parse::<i32>().unwrap(); + self.sys_flag = str.parse::<i32>().map_err(|_| RemotingCommandError("Parse field sysFlag error".to_string()))?; - self.commit_offset = str.parse::<i64>().unwrap(); + self.commit_offset = str.parse::<i64>().map_err(|_| RemotingCommandError("Parse field commitOffset error".to_string()))?; - self.suspend_timeout_millis = str.parse::<u64>().unwrap(); + self.suspend_timeout_millis = str.parse::<u64>().map_err(|_| RemotingCommandError("Parse field suspendTimeoutMillis error".to_string()))?; - self.sub_version = str.parse::<i64>().unwrap(); + self.sub_version = str.parse::<i64>().map_err(|_| RemotingCommandError("Parse field subVersion error".to_string()))?;By handling errors, you ensure that the application remains stable even when encountering invalid input.
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📒 Files selected for processing (5)
rocketmq-remoting/src/protocol/command_custom_header.rs(2 hunks)rocketmq-remoting/src/protocol/header/message_operation_header/send_message_request_header_v2.rs(4 hunks)rocketmq-remoting/src/protocol/header/pull_message_request_header.rs(2 hunks)rocketmq-remoting/src/protocol/header/pull_message_response_header.rs(2 hunks)rocketmq-remoting/src/protocol/remoting_command.rs(1 hunks)
🔇 Additional comments (2)
rocketmq-remoting/src/protocol/header/message_operation_header/send_message_request_header_v2.rs (1)
449-687: Add unit tests for error cases and edge conditions
The current unit tests cover standard serialization and deserialization scenarios. Consider adding tests that handle parsing failures, missing required fields, and invalid data to ensure the SendMessageRequestHeaderV2 struct behaves correctly under all conditions.
[unit_tests_coverage]
rocketmq-remoting/src/protocol/remoting_command.rs (1)
607-607: Improve error propagation in decode_command_custom_header_fast
The addition of the ? operator after target.decode_fast(header) ensures that errors from decode_fast are properly returned to the caller. This change enhances error handling by propagating errors instead of silently ignoring them.
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Which Issue(s) This PR Fixes(Closes)
Fixes #1500
Brief Description
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Summary by CodeRabbit
New Features
get_and_check_not_nonefor improved field validation and retrieval.Bug Fixes
Tests