[ISSUE #2079]💫Add HAConnectionRuntimeInfo for rust🚀

[mxsm]

Which Issue(s) This PR Fixes(Closes)

Fixes #2079

Brief Description

How Did You Test This Change?

Summary by CodeRabbit

• New Features

  • Added a new module for High Availability (HA) connection runtime information tracking
  • Introduced a structured way to capture and represent connection runtime details

• Tests

  • Included unit tests to validate the new HA connection runtime information struct

[coderabbitai]

Walkthrough

A new module ha_connection_runtime_info has been added to the RocketMQ remoting protocol body in Rust. This module introduces a public struct HAConnectionRuntimeInfo that represents runtime information for high-availability (HA) connections. The struct includes fields for connection address, slave acknowledgment offset, synchronization status, and other relevant runtime metrics. The implementation includes trait derivations for debugging, cloning, serialization, and deserialization, along with a custom Display trait implementation for readable string representation.

Changes

File	Change Summary
rocketmq-remoting/src/protocol/body.rs	Added new module declaration pub mod ha_connection_runtime_info;
rocketmq-remoting/src/protocol/body/ha_connection_runtime_info.rs	New file introducing HAConnectionRuntimeInfo struct with runtime connection metrics and unit tests

Assessment against linked issues

Objective	Addressed	Explanation
Add HAConnectionRuntimeInfo for Rust [#2079]	✅

Suggested reviewers

• TeslaRustor
• SpaceXCN

Poem

🚀 A Rabbit's Ode to HA Connections 🐰

In bytes and bits, a runtime tale unfolds,
Where connections dance and metrics take hold,
With offsets sync'd and status bright,
Our RocketMQ leaps to new height!

Hop hop hooray! 🌟

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📜 Recent review details

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

📥 Commits

Reviewing files that changed from the base of the PR and between e1d64b7 and e3c27f2.

📒 Files selected for processing (2)

• rocketmq-remoting/src/protocol/body.rs (1 hunks)
• rocketmq-remoting/src/protocol/body/ha_connection_runtime_info.rs (1 hunks)

🔇 Additional comments (4)

rocketmq-remoting/src/protocol/body.rs (1)

36-36: Module import looks good

The new HA connection runtime info module is consistently named and placed. No issues noted with the module declaration.

rocketmq-remoting/src/protocol/body/ha_connection_runtime_info.rs (3)

33-47: Display trait is well-implemented

Nice, the Display trait effectively formats the internal state for quick debugging and logging.

---

49-98: Good test coverage

The test suite thoroughly covers initialization, default values, and display formatting. This aligns well with best practices.

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22-31: Consider verifying offset and difference field types

The structure fields slave_ack_offset (u64) and diff (i64) can handle extremely large or negative values, respectively. If negative offsets are invalid in your context, consider changing or enforcing constraints at runtime.

✅ Verification successful

Let me search for more context about how this struct is used in the actual codebase.

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Let me search for more context about the HA (High Availability) implementation to understand the offset and diff usage better.

---

Let me check one more thing about the broker roles and replication to understand the context better.

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The field types are correctly chosen for HA replication

Based on the codebase analysis, the field types in HAConnectionRuntimeInfo are appropriate for their intended use in RocketMQ's high availability implementation:

• slave_ack_offset (u64): Used to track acknowledged offsets from slave brokers. Unsigned is correct as offsets are always positive and can grow large in message systems.
• diff (i64): The signed type is intentional as it represents the difference between master and slave offsets, which can be negative when the slave lags behind.

Evidence from the codebase:

• The struct is used in HA (High Availability) replication between master and slave brokers
• The broker roles (AsyncMaster, SyncMaster, Slave) and their interactions confirm this is part of the replication mechanism
• Similar offset types are used consistently throughout the codebase (e.g., master_flushed_offset, confirm_phy_offset)

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Searching for usage of HAConnectionRuntimeInfo to confirm offsets usage:
rg -A 10 'HAConnectionRuntimeInfo'

Length of output: 6122

---

Script:

#!/bin/bash
# Search for files importing or using HAConnectionRuntimeInfo
rg -l "HAConnectionRuntimeInfo"

# Search for any offset-related code patterns that might give context
rg -A 5 "slave_ack_offset|diff.*offset"

Length of output: 4338

---

Script:

#!/bin/bash
# Search for HA-related code and offset handling
rg -A 5 "class.*HA|struct.*HA|impl.*HA"

# Search for any documentation about HA or offset handling
fd README.md | xargs rg -i "ha|offset|replication"

Length of output: 5330

---

Script:

#!/bin/bash
# Search for broker role and replication related code
rg -A 5 "BrokerRole|enum.*Role"

# Search for slave-related code that might explain the offset usage
rg -A 5 "slave.*offset|master.*offset"

Length of output: 36782

---

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[rocketmq-rust-bot]

🔊@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💥.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.40%. Comparing base (f93a956) to head (e3c27f2).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2080      +/-   ##
==========================================
+ Coverage   28.36%   28.40%   +0.03%     
==========================================
  Files         489      490       +1     
  Lines       69495    69585      +90     
==========================================
+ Hits        19713    19766      +53     
- Misses      49782    49819      +37     

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

[rocketmq-rust-bot]

LGTM