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[ISSUE #2253]⚡️Change ConsumerManager signature of new method #2254

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merged 2 commits into from
Jan 15, 2025
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@mxsm mxsm commented Jan 15, 2025

Which Issue(s) This PR Fixes(Closes)

Fixes #2253

Brief Description

How Did You Test This Change?

Summary by CodeRabbit

  • Refactor
    • Updated memory management for consumer ID change listeners.
    • Introduced reference-counted pointers for improved shared ownership of listener objects.
    • Modified method signatures to support more flexible listener management.
    • Enhanced initialization of consumer manager within the broker runtime.

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coderabbitai bot commented Jan 15, 2025

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Review failed

The pull request is closed.

Walkthrough

The pull request modifies the ConsumerManager and BrokerRuntime in the RocketMQ broker implementation. It changes the type of the consumer_ids_change_listener_list field from a boxed trait object to an Arc-wrapped boxed trait object, enhancing memory management through shared ownership. Additionally, the constructors new and new_with_broker_stats in ConsumerManager have been updated to accept Arc-wrapped listeners. The BrokerRuntime struct's initialization of consumer_manager has also been adjusted to use Arc, improving reference management.

Changes

File Change Summary
rocketmq-broker/src/client/manager/consumer_manager.rs - Updated consumer_ids_change_listener_list type to use Arc<Box<dyn ConsumerIdsChangeListener + Send + Sync + 'static>>
- Modified new() method signature to accept Arc<Box<dyn ConsumerIdsChangeListener + Send + Sync + 'static>>
- Updated new_with_broker_stats() method signature similarly
rocketmq-broker/src/broker_runtime.rs - Modified new method to initialize consumer_manager with Arc<Box<...>> instead of Box<...>
- Removed commented-out lines for improved readability

Assessment against linked issues

Objective Addressed Explanation
Change ConsumerManager method signature [#2253]

Possibly related PRs

Suggested labels

refactor♻️, ready to review, waiting-review

Suggested reviewers

  • TeslaRustor
  • SpaceXCN

Poem

🚀 Listeners dance with shared delight,
Arc-wrapped boxes, memory's might!
Concurrent threads now softly sing,
As consumer managers take wing 🐰
Rust's magic weaves its gentle spell
In the broker's realm, all is well!


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📥 Commits

Reviewing files that changed from the base of the PR and between ee3338d and 46b303c.

📒 Files selected for processing (1)
  • rocketmq-broker/src/broker_runtime.rs (1 hunks)

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@rocketmq-rust-bot
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🔊@mxsm 🚀Thanks for your contribution🎉!

💡CodeRabbit(AI) will review your code first🔥!

Note

🚨The code review suggestions from CodeRabbit are to be used as a reference only, and the PR submitter can decide whether to make changes based on their own judgment. Ultimately, the project management personnel will conduct the final code review💥.

@rocketmq-rust-robot rocketmq-rust-robot added the enhancement⚡️ New feature or request label Jan 15, 2025
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Actionable comments posted: 2

🧹 Nitpick comments (1)
rocketmq-broker/src/client/manager/consumer_manager.rs (1)

41-41: LGTM! Improved memory management with Arc wrapper.

The change from Vec<Box<dyn ConsumerIdsChangeListener>> to Vec<Arc<Box<dyn ConsumerIdsChangeListener>>> enables shared ownership of listener objects, which is beneficial for concurrent access patterns in a broker system.

The use of Arc<Box<dyn Trait>> is a common pattern when you need both:

  1. Dynamic dispatch (through Box<dyn Trait>)
  2. Shared ownership (through Arc)
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 681f0a8 and ee3338d.

📒 Files selected for processing (1)
  • rocketmq-broker/src/client/manager/consumer_manager.rs (2 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (3)
  • GitHub Check: test
  • GitHub Check: build
  • GitHub Check: auto-approve

Comment on lines +66 to +68
consumer_ids_change_listener: Arc<
Box<dyn ConsumerIdsChangeListener + Send + Sync + 'static>,
>,
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💡 Codebase verification

Update required: Caller needs Arc wrapper for ConsumerIdsChangeListener

The caller in broker_runtime.rs needs to be updated to match the new signature:

  • rocketmq-broker/src/broker_runtime.rs: Wrap the boxed listener in Arc::new()
    ConsumerManager::new_with_broker_stats(
        Arc::new(Box::new(DefaultConsumerIdsChangeListener {})),
        Arc::new(broker_config.clone()),
🔗 Analysis chain

Verify updates to callers of the new_with_broker_stats method.

The signature change is consistent with the struct field modification. However, we should ensure all callers are updated to provide an Arc-wrapped listener.

Let's verify the callers:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for calls to ConsumerManager::new_with_broker_stats to ensure they're updated
rg -l "ConsumerManager::new_with_broker_stats" | while read -r file; do
  echo "=== $file ==="
  rg -A 2 "ConsumerManager::new_with_broker_stats" "$file"
done

Length of output: 439

Comment on lines +49 to +51
consumer_ids_change_listener: Arc<
Box<dyn ConsumerIdsChangeListener + Send + Sync + 'static>,
>,
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💡 Codebase verification

Update required: Caller needs to wrap Box with Arc

The caller in broker_runtime.rs needs to be updated to match the new signature:

  • rocketmq-broker/src/broker_runtime.rs: Change Box::new(DefaultConsumerIdsChangeListener {}) to Arc::new(Box::new(DefaultConsumerIdsChangeListener {}))
🔗 Analysis chain

Verify updates to callers of the new method.

The signature change is consistent with the struct field modification. However, we should ensure all callers are updated to provide an Arc-wrapped listener.

Let's verify the callers:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for calls to ConsumerManager::new to ensure they're updated
rg -l "ConsumerManager::new" | while read -r file; do
  echo "=== $file ==="
  rg -A 2 "ConsumerManager::new" "$file"
done

Length of output: 403


Script:

#!/bin/bash
# Search for ConsumerManager method definitions
ast-grep --pattern 'impl ConsumerManager {
  $$$
  fn new$_($$$) {
    $$$
  }
  $$$
}'

echo "=== Searching for new_with_broker_stats ==="
ast-grep --pattern 'impl ConsumerManager {
  $$$
  fn new_with_broker_stats($$$) {
    $$$
  }
  $$$
}'

Length of output: 292


Script:

#!/bin/bash
# Search for ConsumerManager implementations with more context
echo "=== ConsumerManager implementations ==="
rg -A 10 "impl ConsumerManager" 

echo "=== new_with_broker_stats usage ==="
rg -A 5 "new_with_broker_stats"

Length of output: 3775

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🔊@mxsm 🚀Thanks for your contribution🎉!

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Note

🚨The code review suggestions from CodeRabbit are to be used as a reference only, and the PR submitter can decide whether to make changes based on their own judgment. Ultimately, the project management personnel will conduct the final code review💥.

@rocketmq-rust-bot rocketmq-rust-bot self-requested a review January 15, 2025 03:21
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codecov bot commented Jan 15, 2025

Codecov Report

Attention: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Project coverage is 28.30%. Comparing base (681f0a8) to head (46b303c).
Report is 3 commits behind head on main.

Files with missing lines Patch % Lines
...etmq-broker/src/client/manager/consumer_manager.rs 0.00% 6 Missing ⚠️
rocketmq-broker/src/broker_runtime.rs 0.00% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2254      +/-   ##
==========================================
- Coverage   28.31%   28.30%   -0.01%     
==========================================
  Files         499      499              
  Lines       72187    72203      +16     
==========================================
  Hits        20437    20437              
- Misses      51750    51766      +16     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

@mxsm mxsm merged commit 9bdfded into main Jan 15, 2025
13 of 17 checks passed
@rocketmq-rust-bot rocketmq-rust-bot added approved PR has approved and removed ready to review waiting-review waiting review this PR labels Jan 15, 2025
@mxsm mxsm deleted the 2253 branch January 15, 2025 07:52
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[Enhancement⚡️] Change ConsumerManager signature of new method
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