Skip to content

Conversation

QYuQianchen
Copy link
Contributor

@QYuQianchen QYuQianchen commented Oct 15, 2024

Close #6535 and close #6340

  • Handle f64::NAN after reading backoff from the DB
  • Insert multiaddress for incoming connection
  • Improve returned result handling in Network

@QYuQianchen QYuQianchen self-assigned this Oct 15, 2024
Copy link
Contributor

coderabbitai bot commented Oct 15, 2024

📝 Walkthrough
📝 Walkthrough

Walkthrough

The changes in this pull request involve modifications to the PeerStatus struct's TryFrom implementation to handle the backoff field more robustly, ensuring it defaults to 1.0 if it is NaN. Additionally, updates were made to the HoprTransport struct's network_observed_multiaddresses method for improved error handling and logging. The ConnectedPoint type from the libp2p library was incorporated into the connection logic in the p2p.rs file, enhancing the differentiation between dialer and listener endpoints.

Changes

File Path Change Summary
db/api/src/peers.rs Modified PeerStatus struct's TryFrom implementation to default backoff to 1.0 if NaN.
transport/api/src/lib.rs Updated HoprTransport's network_observed_multiaddresses method for better error handling and logging.
transport/api/src/p2p.rs Introduced ConnectedPoint type for connection handling, improved logging, and removed commented-out code.

Assessment against linked issues

Objective Addressed Explanation
Ensure /api/v3/node/peers returns only valid backoff values (6535)

Possibly related PRs

  • Fix issues related to the network detection of peers #6504: This PR modifies the handling of ignored peers and updates the logic for network peer quality, which is closely related to the changes made in the PeerStatus struct's TryFrom implementation in the main PR, as both involve peer management and quality assessment.
  • Fix peer list to always load the more active peers #6488: This PR addresses issues related to peer management and enhances logging, which may indirectly relate to the robustness improvements made in the PeerStatus struct's handling of the backoff field in the main PR.

Suggested labels

bug, crate:core-p2p, dependencies

Suggested reviewers

  • esterlus
  • NumberFour8
  • tolbrino

Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media?

❤️ Share
🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

  • Review comments: Directly reply to a review comment made by CodeRabbit. Example:
    • I pushed a fix in commit <commit_id>, please review it.
    • Generate unit testing code for this file.
    • Open a follow-up GitHub issue for this discussion.
  • Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
    • @coderabbitai generate unit testing code for this file.
    • @coderabbitai modularize this function.
  • PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
    • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
    • @coderabbitai read src/utils.ts and generate unit testing code.
    • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.
    • @coderabbitai help me debug CodeRabbit configuration file.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (Invoked using PR comments)

  • @coderabbitai pause to pause the reviews on a PR.
  • @coderabbitai resume to resume the paused reviews.
  • @coderabbitai review to trigger an incremental review. This is useful when automatic reviews are disabled for the repository.
  • @coderabbitai full review to do a full review from scratch and review all the files again.
  • @coderabbitai summary to regenerate the summary of the PR.
  • @coderabbitai resolve resolve all the CodeRabbit review comments.
  • @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
  • @coderabbitai help to get help.

Other keywords and placeholders

  • Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
  • Add @coderabbitai summary to generate the high-level summary at a specific location in the PR description.
  • Add @coderabbitai anywhere in the PR title to generate the title automatically.

Documentation and Community

  • Visit our Documentation for detailed information on how to use CodeRabbit.
  • Join our Discord Community to get help, request features, and share feedback.
  • Follow us on X/Twitter for updates and announcements.

@github-actions github-actions bot marked this pull request as draft October 15, 2024 13:47
@QYuQianchen QYuQianchen added effort:medium time needed to complete review complexity:normal how hard is the review component:api crate:core-transport labels Oct 15, 2024
@QYuQianchen QYuQianchen marked this pull request as ready for review October 15, 2024 14:41
Copy link
Contributor

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 2

🧹 Outside diff range comments (1)
db/api/src/peers.rs (1)

Line range hint 1-824: Consider enhancing error handling and documentation

While the changes look good, here are some suggestions to further improve the overall quality of the code:

  1. Error Handling: The current implementation uses a mix of Result and Option types for error handling. Consider standardizing error handling across the module, possibly by defining custom error types that encompass all possible error scenarios.

  2. Documentation: Although the code is well-structured, adding more inline documentation, especially for public functions and structs, would improve maintainability. Consider adding doc comments that explain the purpose, parameters, and return values of key functions.

  3. Consistency: Ensure that the handling of edge cases (like the NaN check we just added for backoff) is consistent across all floating-point fields in the PeerStatus struct.

Would you like me to provide examples of how to implement these suggestions?

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 5c5fbf4 and 67356c7.

📒 Files selected for processing (3)
  • db/api/src/peers.rs (1 hunks)
  • transport/api/src/lib.rs (1 hunks)
  • transport/api/src/p2p.rs (3 hunks)
🧰 Additional context used
🔇 Additional comments (2)
transport/api/src/lib.rs (1)

599-609: Improved error handling and logging in network_observed_multiaddresses

The changes to this method significantly improve its robustness and debuggability:

  1. It now handles the case when a peer is not found in the network storage, returning an empty vector instead of potentially panicking.
  2. Error cases are now logged, which will help with debugging issues in production.
  3. The function maintains its original signature, ensuring backwards compatibility.

These changes align well with best practices for error handling and logging in Rust.

db/api/src/peers.rs (1)

449-452: LGTM! Improved handling of NaN values for backoff.

This change enhances the robustness of the PeerStatus struct by properly handling potential NaN (Not a Number) values in the backoff field. By defaulting to 1.0 when a NaN value is encountered, we prevent propagation of invalid floating-point values into the application logic. This is particularly important for the backoff field, as it directly affects the behavior of peer interactions.

To ensure this change doesn't introduce any regressions, let's verify the usage of the backoff field:

✅ Verification successful

Verification Complete: No Impact Outside peers.rs

The change to handle NaN values in the backoff field of PeerStatus within db/api/src/peers.rs is localized and does not affect other parts of the codebase. All usages of backoff outside this file, particularly in vendor and unrelated modules, remain unaffected by this modification.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for any direct usage of the backoff field that might be affected by this change

# Search for usage of backoff field in the codebase
rg --type rust 'backoff'

Length of output: 27835

@QYuQianchen QYuQianchen enabled auto-merge (squash) October 15, 2024 18:25
QYuQianchen and others added 3 commits October 17, 2024 14:22
Co-authored-by: Tibor <9529609+Teebor-Choka@users.noreply.github.com>
Co-authored-by: Tibor <9529609+Teebor-Choka@users.noreply.github.com>
Copy link
Contributor

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 0

🧹 Outside diff range comments (1)
transport/api/src/lib.rs (1)

Verify NaN handling implementation

The search results indicate that f64::NAN handling for the backoff property in transport/api/src/lib.rs is not implemented. To ensure the PR meets its objective of handling f64::NAN values for backoff, please implement the necessary NaN checks within the backoff logic or confirm if it's handled in another relevant file.

🔗 Analysis chain

Line range hint 1-609: Verify NaN handling implementation

While these changes improve error handling, they don't directly address the handling of f64::NAN values for the backoff property mentioned in the PR objectives. Could you please confirm if the NaN handling is implemented in another file or if there are additional changes planned to address this specific issue?

To check for NaN handling implementation, we can search for relevant code:


Line range hint 1-609: Verify NaN handling implementation

The initial search included vendored dependencies, which returned numerous f64::NAN usages unrelated to our codebase. To accurately verify the implementation of f64::NAN handling in our project, please run the following script to search for f64::NAN, f64::is_nan(), and .is_nan() exclusively within our codebase, excluding the vendor/ directory:


Line range hint 1-609: Verify NaN handling for the backoff property

It appears that f64::NAN handling specific to the backoff property is not present in the main codebase. To ensure that backoff correctly handles f64::NAN as per the PR objectives, please execute the following script to search for the backoff property and verify its handling of f64::NAN:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for NaN handling in Rust files
rg --type rust 'f64::NAN|f64::is_nan\(\)|\.is_nan\(\)'

Length of output: 30763


Script:

#!/bin/bash
# Search for NaN handling in Rust files within the main codebase, excluding vendored dependencies
rg --type rust 'f64::NAN|f64::is_nan\(\)|\.is_nan\(\)' --glob '!vendor/**'

Length of output: 158


Script:

#!/bin/bash
# Search for the 'backoff' property and its handling of f64::NAN in Rust files, excluding vendored dependencies
rg --type rust 'backoff|f64::NAN|f64::is_nan\(\)|\.is_nan\(\)' --glob '!vendor/**'

Length of output: 6476

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 67356c7 and 54e2965.

📒 Files selected for processing (1)
  • transport/api/src/lib.rs (1 hunks)
🧰 Additional context used
🔇 Additional comments (1)
transport/api/src/lib.rs (1)

599-609: Improved error handling and logging in network_observed_multiaddresses

The changes in this method significantly improve error handling and logging. The new implementation uses a match statement to handle different scenarios when retrieving peer information, which is more robust than the previous approach.

Improvements:

  1. Better error handling by explicitly managing the Ok(Some(_)), Ok(None), and Err(_) cases.
  2. Enhanced logging with appropriate log levels (trace for not found, error for retrieval failure).
  3. Consistent return of an empty vector when peer information is unavailable or an error occurs.

These changes align well with the PR objectives of improving error handling and logging in the Network module.

Copy link
Contributor

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 1

🧹 Outside diff range comments (2)
transport/network/src/config.rs (2)

Line range hint 91-95: Consider reviewing commented-out validation

There's a commented-out validation check for the relationship between quality_bad_threshold and quality_offline_threshold. It might be worth revisiting this to determine if it should be implemented or removed entirely.

If this validation is still relevant, consider uncommenting and implementing it. If not, it may be cleaner to remove the commented code.


Line range hint 176-179: Clarify backoff_max function implementation

The backoff_max function calculates a value based on the ratio of two durations. While functionally correct, this implementation might be confusing for future maintainers.

Consider adding a comment explaining the rationale behind this calculation or refactoring it to use more self-explanatory constants or functions.

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 54e2965 and e00e4cd.

📒 Files selected for processing (2)
  • transport/api/src/lib.rs (1 hunks)
  • transport/network/src/config.rs (1 hunks)
🧰 Additional context used
🔇 Additional comments (1)
transport/network/src/config.rs (1)

17-17: Improved documentation clarity

The update to the documentation comment for the NetworkConfig struct is a positive change. By using the fully qualified path crate::network::Network instead of the generic Network, it provides more precise context and improves code navigation.

This change aligns with Rust documentation best practices and will help developers better understand the relationship between NetworkConfig and the Network object.

Copy link
Contributor

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 1

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between e00e4cd and f1a6e10.

📒 Files selected for processing (1)
  • transport/api/src/lib.rs (1 hunks)
🧰 Additional context used

@QYuQianchen QYuQianchen merged commit 02d4b6e into release/saint-louis Oct 17, 2024
10 checks passed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants