[ISSUE #1907]🚨Add PollingHeader struct for rust🚀 #1912
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #1912 +/- ##
==========================================
+ Coverage 28.46% 28.59% +0.13%
==========================================
Files 478 479 +1
Lines 67372 67497 +125
==========================================
+ Hits 19175 19300 +125
Misses 48197 48197 ☔ View full report in Codecov by Sentry. |
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Actionable comments posted: 1
🧹 Nitpick comments (2)
rocketmq-broker/src/long_polling/polling_header.rs (2)
23-30: Add documentation for the struct and its fields.Consider adding rustdoc comments to document:
- The purpose and usage of the
PollingHeaderstruct- The meaning and expected values of each field
- Any invariants or constraints that should be maintained
Example documentation:
/// Represents a polling header for RocketMQ's long polling mechanism. /// /// This struct encapsulates the necessary information to identify and track /// a polling request from a consumer. #[derive(Clone, Debug)] pub struct PollingHeader { /// The group identifier of the consumer consumer_group: CheetahString, /// The topic being polled topic: CheetahString, /// The queue identifier within the topic queue_id: i32, /// Timestamp when the polling request was created born_time: i64, /// Timestamp when the actual polling occurred poll_time: i64, }
86-184: Add tests for edge cases and error scenarios.While the current test coverage is good, consider adding tests for:
- Edge cases:
- Maximum/minimum values for queue_id
- Extreme timestamp values
- Empty strings for consumer_group and topic
- Error scenarios (after implementing validation):
- Negative timestamps
- Invalid queue_id values
Example additional test:
#[test] fn polling_header_edge_cases() { let header = PollingHeader { consumer_group: CheetahString::from(""), topic: CheetahString::from(""), queue_id: i32::MAX, born_time: i64::MAX, poll_time: i64::MIN, }; assert_eq!(header.get_consumer_group().len(), 0); assert_eq!(header.get_topic().len(), 0); assert_eq!(header.get_queue_id(), i32::MAX); assert_eq!(header.get_born_time(), i64::MAX); assert_eq!(header.get_poll_time(), i64::MIN); }
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📒 Files selected for processing (2)
rocketmq-broker/src/long_polling.rs(1 hunks)rocketmq-broker/src/long_polling/polling_header.rs(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- rocketmq-broker/src/long_polling.rs
🔇 Additional comments (3)
rocketmq-broker/src/long_polling/polling_header.rs (3)
1-22: LGTM! License and imports are properly structured.
The license header is complete and all imports are necessary for the implementation.
32-40: LGTM! Display implementation is well-structured.
The Display implementation provides a clear and complete string representation of the struct.
65-84: LGTM! Getter methods are properly implemented.
The getters follow Rust best practices by returning references for string types and values for primitive types.
| impl PollingHeader { | ||
| pub fn new_from_pop_message_request_header(request_header: &PopMessageRequestHeader) -> Self { | ||
| Self { | ||
| consumer_group: request_header.consumer_group.clone(), | ||
| topic: request_header.topic.clone(), | ||
| queue_id: request_header.queue_id, | ||
| born_time: request_header.born_time as i64, | ||
| poll_time: request_header.poll_time as i64, | ||
| } | ||
| } | ||
|
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||
| pub fn new_from_notification_request_header( | ||
| request_header: &NotificationRequestHeader, | ||
| ) -> Self { | ||
| Self { | ||
| consumer_group: request_header.consumer_group.clone(), | ||
| topic: request_header.topic.clone(), | ||
| queue_id: request_header.queue_id, | ||
| born_time: request_header.born_time, | ||
| poll_time: request_header.poll_time, | ||
| } | ||
| } | ||
|
|
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🛠️ Refactor suggestion
Consider adding input validation and optimizing clones.
Two suggestions for improvement:
- Add validation for the timestamp conversions and field values:
pub fn new_from_pop_message_request_header(request_header: &PopMessageRequestHeader) -> Result<Self, &'static str> {
if request_header.born_time < 0 || request_header.poll_time < 0 {
return Err("Timestamps cannot be negative");
}
Ok(Self {
consumer_group: request_header.consumer_group.clone(),
topic: request_header.topic.clone(),
queue_id: request_header.queue_id,
born_time: request_header.born_time as i64,
poll_time: request_header.poll_time as i64,
})
}- Consider using references instead of cloning if the lifetime of the header allows it:
pub struct PollingHeader<'a> {
consumer_group: &'a CheetahString,
topic: &'a CheetahString,
// ... other fields
}
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Which Issue(s) This PR Fixes(Closes)
Fixes #1907
Brief Description
How Did You Test This Change?
Summary by CodeRabbit
New Features
PollingHeaderstructure for handling polling header information.PollingHeaderinstances from various request headers.PollingHeader.Tests
PollingHeaderstruct and its methods.