feat: add the test_vlc_net submodule to demos #19
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WalkthroughThe changes involve the addition of new modules and configurations to the Rust project, specifically introducing a Changes
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Actionable comments posted: 13
Outside diff range and nitpick comments (23)
crates/gossip/Cargo.toml (1)
6-11: Dependencies are well-chosen, but consider using version ranges.The dependencies align well with the module's purpose of implementing a peer-to-peer gossip network. The libp2p features cover essential networking capabilities, and the tokio features enable async runtime and signal handling.
Consider using version ranges (e.g.,
^0.6.2instead of0.6.2) for dependencies to allow for compatible updates. This can help in keeping the project up-to-date with bug fixes and minor improvements. For example:color-eyre = "^0.6.2" futures = "^0.3" libp2p = { version = "^0.54.1", features = [...] } tokio = { version = "^1.25.0", features = [...] } tracing = "^0.1"demos/test_vlc_net/Cargo.toml (1)
10-22: Dependencies are well-specified, with a note on GitHub-sourced dependency.The dependencies section is comprehensive and well-structured:
- Local and external dependencies are correctly specified with appropriate versions.
- Feature flags are enabled where necessary, tailoring the dependencies to the project's needs.
However, there's one point to consider:
The
aws-nitro-enclaves-attestationdependency is sourced directly from a GitHub repository. While this is sometimes necessary for cutting-edge features or custom forks, it can pose stability risks. Consider the following options:
- If possible, use a published version from crates.io for better stability and easier dependency management.
- If the GitHub version is necessary, pin it to a specific commit hash rather than tracking the main branch to ensure reproducibility.
- Document the reason for using the GitHub version in a comment for future maintainers.
Example of pinning to a specific commit:
aws-nitro-enclaves-attestation = { git = "https://github.com/neatsys/aws-nitro-enclaves-attestation", rev = "abcdef123456", version = "0.1.0", optional = true }demos/test_vlc_net/README.md (4)
1-8: Improve grammar and clarity in the introduction and features section.The introduction and features provide a good overview of the module. However, there are a few minor grammatical issues that should be addressed:
- In line 7, "data metric" should be plural: "data metrics".
- In line 8, "keep" should be "keeps" to agree with the singular subject "program".
Additionally, consider rephrasing some sentences for clarity:
Here's a suggested revision for lines 3-8:
- This module is mainly convenient for testing vlc network. It combines vlc and gossip for constructing the multi-node network. + This module is primarily designed for testing VLC networks. It combines VLC and gossip protocols to construct a multi-node network. And some features as follow: - Configuration: It uses the variety commands to define detail of the vlc network. - Demonstrate: The test_vlc_net will collect useful data metric in work period. - Streamlined workflow: This program keep concise and core workflows for better testing. + Key features include: + - Configuration: Various commands to define details of the VLC network. + - Demonstration: Collects useful data metrics during operation. + - Streamlined workflow: Maintains concise and core workflows for efficient testing.These changes improve grammar and make the description more professional and easier to understand.
Tools
LanguageTool
[uncategorized] ~7-~7: The grammatical number of this noun doesn’t look right. Consider replacing it.
Context: ...e test_vlc_net will collect useful data metric in work period. - Streamlined workflow:...(AI_EN_LECTOR_REPLACEMENT_NOUN_NUMBER)
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
10-15: Consider adding prerequisite information to the compilation instructions.The compilation instructions are clear and concise. However, to ensure a smooth experience for all users, consider adding some additional information:
- Mention any prerequisites (e.g., Rust toolchain, specific versions).
- Add a note about potential compilation time or resource usage.
- Specify the expected outcome (e.g., where the compiled binary will be located).
Here's a suggested addition:
## Compile server node Ensure you have Rust and Cargo installed (version X.X or higher recommended). ```bash cargo build -p test_vlc_net --release cd target/releaseNote: Compilation may take a few minutes depending on your system. The compiled binary will be located in the
target/releasedirectory.This additional information will help users, especially those new to the project, to compile the server node successfully. --- `17-24`: **Enhance the config file generation section with explanations and flexibility.** The script for generating config files is functional, but it could be improved with more explanations and flexibility: 1. Add a brief explanation of what the configuration files are used for. 2. Explain the key parameters in the command (e.g., --host, --port, --topic, --trigger-ms, --bootnodes). 3. Consider making the number of nodes configurable instead of hard-coding it to 4. Here's a suggested revision: ```markdown ## Generate config files Generate configuration files for each node in the network. This example creates configs for 4 nodes: ```bash NUM_NODES=4 for I in $(seq 1 $NUM_NODES) do ./test_vlc_net --server server"$I".json generate \ --host /ip4/127.0.0.1/tcp/ \ --port $((9600 + I)) \ --topic vlc \ --trigger-ms 1000 \ --bootnodes "/ip4/127.0.0.1/tcp/9601" doneParameters:
--host: The IP address and protocol for the node--port: The port number for the node (incremented for each node)--topic: The topic for the VLC network--trigger-ms: The trigger interval in milliseconds--bootnodes: The address of the bootstrap node (using the first node in this example)Adjust the
NUM_NODESvariable to generate configs for more or fewer nodes as needed.These changes provide more context and flexibility, making it easier for users to understand and modify the configuration generation process. --- `26-33`: **Enhance the multi-node network execution section with more details and robustness.** The script for running the multi-node network is functional, but it could be improved with more explanations and error handling: 1. Add a brief explanation of what to expect when the network is running. 2. Consider adding error handling and background execution options. 3. Provide instructions on how to stop the network or individual nodes. Here's a suggested revision: ```markdown ## Run multi-node network Start all nodes in the VLC network. This example runs 4 nodes: ```bash NUM_NODES=4 for I in $(seq 1 $NUM_NODES) do ./test_vlc_net --server server"$I".json run & echo "Started node $I (PID: $!)" done echo "All nodes started. Press Ctrl+C to stop all nodes." waitThis script starts each node in the background and displays its PID. The
waitcommand keeps the script running until you press Ctrl+C, which will stop all nodes.To stop individual nodes, use the
killcommand with the PID displayed when starting the node.Note: Ensure all configuration files are generated before running this script. You may want to add a short delay between starting nodes to avoid potential race conditions.
These changes provide more context and robustness, making it easier for users to run and manage the multi-node network. </blockquote></details> <details> <summary>crates/README.md (1)</summary><blockquote> `28-31`: **Approved with suggestions for improvement** The addition of the "gossip" module description is well-placed and consistent with the format of other module descriptions. However, consider the following suggestions to enhance the description: 1. Specify what parameters can be customized in the Gossip network toolkit. 2. Briefly mention the purpose or use case of the Gossip network in the context of the Chronos project. Example improvement: ```markdown ## [gossip](./gossip/) - This module provides a Gossip network toolkit for building decentralized, peer-to-peer communication systems within Chronos. - It allows customization of network parameters such as peer discovery methods, message propagation rates, and network topology. - Implements a basic gossip network using libp2p, supporting discovery via mDNS and bootnodes. - Useful for efficient information dissemination and maintaining network consistency in distributed systems.These changes would provide more context and clarity about the module's functionality and its role in the project.
demos/test_vlc_net/src/main.rs (3)
8-16: LGTM: Well-structured CLI argument parsing.The
Argsstruct is well-defined using theclapcrate, which is a good practice for CLI applications. The metadata provides useful information about the application.Consider adding a brief description for the
serverargument using thehelpattribute. For example:#[arg(short, long, default_value = "server.json", help = "Path to the server configuration file")] server: String,This would provide more context to users when they run the application with
--help.
18-35: LGTM: Command enum is well-structured, with minor improvements suggested.The
Commandenum is well-defined and provides a clear structure for the application's subcommands. The default values for theGeneratevariant are helpful for users.
- Consider removing the comment "Hello Hetu" on line 32 as it doesn't provide any meaningful information.
- For better documentation, consider adding brief descriptions to each field in the
Generatevariant using thehelpattribute. For example:#[arg(long, default_value="/ip4/127.0.0.1/tcp/", help="Host address for the server")] host: String,This would provide more context to users when they run the application with
--help.
37-75: LGTM: Main function is well-structured, with suggestions for improvement.The main function is well-organized, using tokio for async runtime and setting up logging appropriately. The command handling logic is clear and concise.
Consider the following improvements:
- Error Handling: Use
Resultfor better error handling. For example:#[tokio::main] async fn main() -> Result<(), Box<dyn std::error::Error>> { // ... (logging setup) let args = Args::parse(); match &args.command { Command::Run => { info!("start test vlc node server"); let file = File::open(&args.server)?; let reader = std::io::BufReader::new(file); let config: ServerConfig = serde_json::from_reader(reader)?; run(Arc::new(config)).await?; } // ... (Generate command handling) } Ok(()) }
Configuration Loading: Consider moving the configuration loading logic to a separate function for better modularity.
Generate Command: The
generate_configfunction call could be wrapped in aResultto handle potential errors.These changes would improve error handling and make the code more robust.
demos/tee_vlc/src/nitro_clock.rs (1)
Line range hint
1-280: Summary of changes and recommendationsThe changes in this file are part of a larger refactoring effort to use
Stringidentifiers instead ofu64. This affects theUpdatestruct,UpdateOktype alias, and related method calls. While these changes appear intentional and consistent within this file, it's crucial to ensure they are applied uniformly across the entire codebase.Recommendations:
- Conduct a thorough review of all files that interact with
UpdateandUpdateOkto ensure consistency.- Update all serialization/deserialization logic to handle the new
Stringtype correctly.- If applicable, modify any database schemas or queries that might be affected by this change.
- Review and update any network communication protocols that might be impacted.
- Consider the performance implications of using
Stringcomparisons instead of integer comparisons, and optimize if necessary.- Update all unit tests and integration tests to reflect these changes.
- Document this change in the project's changelog and update any relevant API documentation.
Given the scope of this change, it might be beneficial to create a migration guide for any external systems or clients that interact with this code. Additionally, consider implementing a version check or compatibility layer if backward compatibility with systems expecting
u64identifiers is required.crates/vlc/src/ordinary_clock.rs (5)
21-21: Approved: KeyId type change enhances flexibility.The change from
u64toStringforKeyIdallows for more versatile key identifiers, which aligns with the PR objectives. However, be aware that this might slightly impact performance due to increased memory usage and comparison costs.Consider benchmarking critical operations that frequently use
KeyIdto ensure the performance impact is acceptable for your use case.
54-54: Approved: Necessary change due to KeyId type update.The
clone()operation is required due to theKeyIdtype change toString. However, frequent cloning ofStrings may impact performance.Consider using
Cow<'static, str>orArc<str>instead ofStringforKeyIdif you need to optimize for frequent cloning operations. This would allow for efficient cloning while maintaining flexibility.
60-62: Approved: Update method signature and implementation adjusted for new KeyId type.The changes are consistent with the
KeyIdtype update. However, converting&strtoStringon each update may introduce unnecessary allocations.Consider changing the method signature to
pub fn update<'a>(&'a self, others: impl Iterator<Item = &'a Self>, id: impl Into<String>) -> Self. This allows for more flexible usage and can potentially avoid allocations whenStringis passed directly.
70-74: Approved: Base method adjusted for new KeyId type.The changes are consistent with the
KeyIdtype update. However, frequentclone()operations onStringkeys may impact performance.Consider using
entry()API to avoid unnecessary cloning:for clock in others { for (key, &value) in &clock.0 { combined .entry(key.to_string()) .and_modify(|e| *e = (*e).min(value)) .or_insert(value); } }This approach clones the key only when it's not already in the map.
Line range hint
1-391: Summary: KeyId type change successfully implemented with some performance considerations.The change from
u64toStringforKeyIdhas been consistently applied throughout the file. This change aligns with the PR objectives and provides more flexibility for key identifiers in VLC networks. However, it's important to note that this change may have some performance implications, particularly in scenarios involving frequent cloning or large numbers of keys.Key points:
- All method signatures and implementations have been correctly updated.
- Test cases have been properly adjusted to use string keys.
- The core logic of the
OrdinaryClockremains intact.Recommendations:
- Consider benchmarking critical operations to assess the performance impact.
- Explore optimizations such as using
Cow<'static, str>orArc<str>forKeyIdif performance becomes a concern.- Monitor the performance of large-scale tests like
hash_big_clock_sha256.Overall, the changes are well-implemented and achieve the desired functionality. Just keep an eye on performance in production scenarios.
demos/test_vlc_net/src/server.rs (5)
23-23: Correct typographical errors in the commentThe comment on line 23 has typographical errors. It should read: "Metric visualization can utilize Prometheus and Grafana toolboxes."
216-224: Optimize logging frequency of send and receive countsLogging send and receive counts on every event may lead to verbose logs and could affect performance. Consider logging this information at defined intervals or when specific thresholds are reached to reduce log verbosity.
302-302: Correct typo in comment: 'perpose' should be 'purpose'There is a typographical error in the comment. 'perpose' should be corrected to 'purpose' for clarity.
335-335: Simplify call toclock.updateby removing unnecessary vectorIn the
test_verify_signaturefunction, the call toclock.update(vec![].iter(), &peer_id.to_base58());uses an empty vector. Since no peers are being updated, you can simplify the code by adjusting theupdatemethod to handleNoneor by providing a more meaningful context.
347-347: Simplify assertion in test by usingassert!macroInstead of using
assert_eq!(true, expression);, you can useassert!(expression);for better readability.Apply this diff to simplify the assertion:
- assert_eq!(true, pubkey.verify(&serialized_event, &signature.unwrap())); + assert!(pubkey.verify(&serialized_event, &signature.unwrap()));crates/gossip/src/network.rs (2)
97-103: Remove thedo_px()setting as it is not implementedThe
do_px()method is called on thegossipsub::ConfigBuilder, but according to the comment, it is not implemented inrust-libp2p. Keeping this call can be misleading. It's better to remove it to avoid confusion.Apply this diff to remove the unused setting:
let gossipsub_config = gossipsub::ConfigBuilder::default() .heartbeat_interval(Duration::from_secs(10)) .validation_mode(gossipsub::ValidationMode::Strict) // the default is Strict (enforce message signing) .message_id_fn(message_id_fn) // content-address messages so that duplicates aren't propagated - .do_px() // not implemented by rust-libp2p .build() .map_err(|e| eyre!("failed to build gossipsub config: {}", e))?;
193-265: Ensure all Swarm events are adequately handled or loggedIn the
Streamimplementation forNetwork, unhandledSwarmEventvariants are currently logged at the debug level. Consider reviewing if any additional events should be explicitly handled to improve the network's responsiveness and reliability. If all relevant events are already managed, you may consider elevating the log level for unhandled events to ensure they are noticed during debugging sessions.
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Files selected for processing (13)
- Cargo.toml (1 hunks)
- crates/README.md (1 hunks)
- crates/gossip/Cargo.toml (1 hunks)
- crates/gossip/src/lib.rs (1 hunks)
- crates/gossip/src/network.rs (1 hunks)
- crates/vlc/src/ordinary_clock.rs (15 hunks)
- demos/README.md (2 hunks)
- demos/tee_vlc/src/bin/call_vlc_client.rs (3 hunks)
- demos/tee_vlc/src/nitro_clock.rs (2 hunks)
- demos/test_vlc_net/Cargo.toml (1 hunks)
- demos/test_vlc_net/README.md (1 hunks)
- demos/test_vlc_net/src/main.rs (1 hunks)
- demos/test_vlc_net/src/server.rs (1 hunks)
Additional context used
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demos/README.md
[uncategorized] ~42-~42: Possible missing preposition found.
Context: ...w: - Configuration: It uses the variety commands to define detail of the vlc network. - ...(AI_HYDRA_LEO_MISSING_OF)
[uncategorized] ~42-~42: The grammatical number of this noun doesn’t look right. Consider replacing it.
Context: ... It uses the variety commands to define detail of the vlc network. - Demonstrate: The ...(AI_EN_LECTOR_REPLACEMENT_NOUN_NUMBER)
[uncategorized] ~43-~43: The grammatical number of this noun doesn’t look right. Consider replacing it.
Context: ...e test_vlc_net will collect useful data metric in work period. - Streamlined workflow:...(AI_EN_LECTOR_REPLACEMENT_NOUN_NUMBER)
[grammar] ~44-~44: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
demos/test_vlc_net/README.md
[uncategorized] ~7-~7: The grammatical number of this noun doesn’t look right. Consider replacing it.
Context: ...e test_vlc_net will collect useful data metric in work period. - Streamlined workflow:...(AI_EN_LECTOR_REPLACEMENT_NOUN_NUMBER)
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
Markdownlint
demos/README.md
42-42: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
43-43: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
44-44: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
Additional comments not posted (23)
crates/gossip/src/lib.rs (1)
1-1: LGTM! Newnetworkmodule added.The addition of the
networkmodule aligns with the PR objectives of introducing functionality for testing VLC networks and integrating VLC with a gossip protocol. This public module will allow other parts of the crate or external crates to access its network-related functionalities.To ensure the
networkmodule is properly implemented, please run the following script:This script will help verify the existence and basic structure of the
networkmodule, ensuring it's properly implemented and contains the expected public declarations.Verification successful
LGTM!
networkmodule is properly implemented.The
networkmodule has been verified to exist and contains the necessary public declarations, includingNetworkBuilder,Network, andEventstructs, along with essential public functions. This confirms that the module aligns with the PR objectives of introducing functionality for testing VLC networks and integrating VLC with a gossip protocol.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the existence and basic structure of the network module # Check if network.rs exists in the same directory if [ -f "crates/gossip/src/network.rs" ]; then echo "network.rs file found" # Display the first few lines of the file to verify its contents head -n 10 crates/gossip/src/network.rs elif [ -d "crates/gossip/src/network" ] && [ -f "crates/gossip/src/network/mod.rs" ]; then echo "network directory with mod.rs found" # Display the first few lines of mod.rs to verify its contents head -n 10 crates/gossip/src/network/mod.rs else echo "Error: network module implementation not found" exit 1 fi # Search for any public functions or structs in the network module echo "Public declarations in the network module:" rg --type rust '^\s*pub\s+(fn|struct|enum|trait)' crates/gossip/src/networkLength of output: 705
Script:
#!/bin/bash # Description: Verify and list public declarations in the network module # Check if network.rs exists in the specified directory if [ -f "crates/gossip/src/network.rs" ]; then echo "network.rs file found" # Display the first few lines of the file to verify its contents head -n 10 crates/gossip/src/network.rs else echo "Error: network.rs file not found" exit 1 fi # Search for any public functions, structs, enums, or traits in the network module echo "Public declarations in the network module:" rg --type rust '^\s*pub\s+(fn|struct|enum|trait)' crates/gossip/src/network.rsLength of output: 1144
crates/gossip/Cargo.toml (2)
1-4: LGTM: Package metadata is well-defined.The package metadata is correctly specified:
- The name "gossip" aligns with the module's purpose.
- The version follows semantic versioning.
- The Rust edition is up-to-date (2021).
13-14: Clarify the purpose of the empty "mdns" feature.The "mdns" feature is defined but currently has no associated dependencies or conditional compilation flags. This could lead to confusion or unexpected behavior if the feature is used without proper implementation.
Please clarify the intended use of this feature. If it's a placeholder for future implementation, consider adding a comment to indicate this. If it's meant to be functional, ensure that the necessary dependencies or conditional compilation flags are added.
To verify the usage of this feature, you can run the following script:
If these searches return no results, it might indicate that the feature is not yet implemented or used in the codebase.
Verification successful
The "mdns" feature is actively used in the codebase and is correctly configured to control conditional compilation and dependency features.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for usage of the "mdns" feature in the codebase # Search for #[cfg(feature = "mdns")] or similar usage rg --type rust '#\[cfg\(.*feature\s*=\s*"mdns".*\)\]' # Search for use of the "mdns" feature in build scripts or other Cargo.toml files rg --type toml 'features.*=.*"mdns"'Length of output: 889
Cargo.toml (2)
21-21: LGTM! Verify the new test_vlc_net demo.The addition of "demos/test_vlc_net" to the workspace members is consistent with the PR objectives. This change indicates the introduction of a new module for testing VLC networks, which aligns with the goal of enhancing testing capabilities for VLC networks within the project.
To ensure the new demo has been properly created, please run the following script:
#!/bin/bash # Description: Verify the existence of the test_vlc_net demo and its basic structure. # Test 1: Check if the test_vlc_net demo directory exists if [ -d "demos/test_vlc_net" ]; then echo "test_vlc_net demo directory exists." else echo "Error: test_vlc_net demo directory not found." exit 1 fi # Test 2: Check for the presence of essential files essential_files=("Cargo.toml" "src/main.rs") for file in "${essential_files[@]}"; do if [ -f "demos/test_vlc_net/$file" ]; then echo "$file exists in the test_vlc_net demo." else echo "Error: $file is missing in the test_vlc_net demo." exit 1 fi done echo "test_vlc_net demo structure verification completed successfully."
15-15: LGTM! Verify the new gossip crate.The addition of "crates/gossip" to the workspace members is consistent with the PR objectives. This change indicates the integration of a gossip protocol, which aligns with the goal of creating a multi-node network environment for VLC testing.
To ensure the new crate has been properly created, please run the following script:
Verification successful
Gossip crate is correctly added and structured.
The "crates/gossip" directory along with the essential files ("Cargo.toml" and "src/lib.rs") have been successfully verified.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the existence of the gossip crate and its basic structure. # Test 1: Check if the gossip crate directory exists if [ -d "crates/gossip" ]; then echo "Gossip crate directory exists." else echo "Error: Gossip crate directory not found." exit 1 fi # Test 2: Check for the presence of essential files essential_files=("Cargo.toml" "src/lib.rs") for file in "${essential_files[@]}"; do if [ -f "crates/gossip/$file" ]; then echo "$file exists in the gossip crate." else echo "Error: $file is missing in the gossip crate." exit 1 fi done echo "Gossip crate structure verification completed successfully."Length of output: 657
Script:
#!/bin/bash # Description: Verify the existence of the gossip crate and its basic structure. # Test 1: Check if the gossip crate directory exists if [ -d "crates/gossip" ]; then echo "Gossip crate directory exists." else echo "Error: Gossip crate directory not found." exit 1 fi # Test 2: Check for the presence of essential files essential_files=("Cargo.toml" "src/lib.rs") for file in "${essential_files[@]}"; do if [ -f "crates/gossip/$file" ]; then echo "$file exists in the gossip crate." else echo "Error: $file is missing in the gossip crate." exit 1 fi done echo "Gossip crate structure verification completed successfully."Length of output: 598
demos/test_vlc_net/Cargo.toml (3)
1-4: LGTM: Package metadata is well-defined.The package metadata is correctly specified:
- The name "test_vlc_net" accurately reflects the purpose of the demo.
- The initial version "0.1.0" follows semantic versioning conventions.
- Using Rust edition 2021 ensures access to the latest stable language features.
1-22: Overall, the Cargo.toml file is well-structured and comprehensive.The file successfully defines the test_vlc_net package with appropriate metadata, features, and dependencies. It aligns well with the PR objectives of creating a VLC network testing module. The dependencies cover networking (libp2p), async runtime (tokio), cryptography (ed25519-dalek), serialization (serde), CLI (clap), and logging (tracing), which are all relevant for the intended functionality.
A few minor suggestions have been made in previous comments, but they don't detract from the overall quality of the file. Good job on setting up a solid foundation for the test_vlc_net module!
6-8: Features are well-defined, but clarification needed on 'mdns'.The features section is appropriately structured:
- The "nitro-enclaves" feature correctly enables its related optional dependencies.
However, could you clarify the purpose of the empty "mdns" feature? It's already included in the libp2p dependency features, so its definition here might be redundant unless it's used for conditional compilation elsewhere in the codebase.
To verify the usage of the "mdns" feature, please run the following script:
Verification successful
'mdns' feature usage verified and appropriate.
The "mdns" feature is utilized for conditional compilation in the codebase, specifically in
crates/gossip/src/network.rs, ensuring optional functionality is correctly managed.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for conditional compilation using the "mdns" feature # Test: Search for #[cfg(feature = "mdns")] in Rust files rg --type rust '#\[cfg\(feature\s*=\s*"mdns"\)\]'Length of output: 555
demos/README.md (2)
28-28: Approved: Improved consistency in section headerThe change from "tee_vlc" to "TEE_VLC" enhances readability and follows the convention of using uppercase for acronyms in technical documentation.
Line range hint
28-44: Overall improvement in documentationThe changes to this README file effectively introduce the new Test_VLC_Net module and improve the consistency of existing content. These updates align well with the PR objectives of introducing a new module for testing VLC networks.
The addition of the Test_VLC_Net section provides valuable information about the module's purpose and features, which will be helpful for users and developers working with the VLC project.
With the suggested improvements to formatting and grammar, this update will significantly enhance the overall quality and clarity of the documentation.
Tools
LanguageTool
[uncategorized] ~42-~42: Possible missing preposition found.
Context: ...w: - Configuration: It uses the variety commands to define detail of the vlc network. - ...(AI_HYDRA_LEO_MISSING_OF)
[uncategorized] ~42-~42: The grammatical number of this noun doesn’t look right. Consider replacing it.
Context: ... It uses the variety commands to define detail of the vlc network. - Demonstrate: The ...(AI_EN_LECTOR_REPLACEMENT_NOUN_NUMBER)
[uncategorized] ~43-~43: The grammatical number of this noun doesn’t look right. Consider replacing it.
Context: ...e test_vlc_net will collect useful data metric in work period. - Streamlined workflow:...(AI_EN_LECTOR_REPLACEMENT_NOUN_NUMBER)
[grammar] ~44-~44: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
Markdownlint
42-42: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
43-43: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
44-44: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
demos/test_vlc_net/src/main.rs (1)
1-7: LGTM: Module and imports are well-structured.The module declaration and import statements are clear and appropriate for the described functionality. The use of the
servermodule suggests good code organization.demos/tee_vlc/src/bin/call_vlc_client.rs (1)
120-120: Consider the performance impact of using string keys.The change from integer to string keys in the
OrdinaryClockconstruction might have a performance impact, as string comparisons are generally slower than integer comparisons.Could you please clarify the reason for this change? Is it for compatibility with other parts of the system or for increased flexibility?
To verify the impact, we can run the following script to check if string keys are used consistently across the project:
Verification successful
String keys are used consistently in
OrdinaryClockconstructions.The usage of string keys in
OrdinaryClockis consistent across the codebase, indicating an intentional design decision. While string comparisons may have a performance impact compared to integer comparisons, this change appears to be necessary for compatibility or flexibility purposes.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for consistent use of string keys in OrdinaryClock construction # Test: Search for OrdinaryClock construction rg --type rust -e 'OrdinaryClock\s*\(' -A 3Length of output: 4275
demos/tee_vlc/src/nitro_clock.rs (3)
115-115: Optimization: Passing reference toidin update method.The change to pass a reference to
idinstead of moving the value is a good optimization. This avoids unnecessary copying, especially beneficial ifidis a large string.This change aligns with Rust's preference for borrowing over ownership when possible, potentially improving performance. Good job on this optimization!
16-16: Verify the impact of changing the UpdateOk type alias.The first element of the
UpdateOktype alias has been changed fromu64toString. This change maintains consistency with the modification made to theUpdatestruct. However, it's crucial to ensure that this change is reflected throughout the codebase.Please run the following script to identify potential areas affected by this change:
#!/bin/bash # Search for usages of the UpdateOk type rg --type rust "UpdateOk<.*>" -C 3 # Search for tuple unpacking or pattern matching on UpdateOk rg --type rust "\(.*:.*String.*,.*C.*,.*Vec<Duration>.*\)" -C 3Ensure that all identified areas are updated to handle the new String type correctly, particularly in tuple unpacking or pattern matching scenarios.
13-13: Verify the impact of changing the Update struct's third field type.The third field of the
Updatestruct has been changed fromu64toString. This change in data type could have far-reaching effects on the system, particularly in areas such as:
- Serialization and deserialization
- Database interactions (if applicable)
- Network communication
- Performance (String comparisons vs integer comparisons)
Please run the following script to identify potential areas affected by this change:
Ensure that all identified areas are updated to handle the new String type correctly.
crates/vlc/src/ordinary_clock.rs (7)
118-119: Approved: dep_cmp method signature updated correctly.The change in the
dep_cmpmethod signature fromKeyIdto&stris consistent with theKeyIdtype update. The implementation remains correct and efficient.
158-170: Approved: Test cases updated correctly for new KeyId type.The
test_clock_base_functest has been properly updated to use string keys instead of integer keys. The test logic remains unchanged, ensuring that thebasefunction still works as expected with the newKeyIdtype.Also applies to: 179-184
190-191: Approved: clock_sha256 test updated correctly for new KeyId type.The
clock_sha256test has been properly updated to use string keys. The changes are consistent with theKeyIdtype update, and the test logic remains intact.
213-213: Approved: stress_raw_update test updated correctly for new KeyId type.The
stress_raw_updatetest has been properly updated to use string keys. The changes are consistent with theKeyIdtype update, and the test logic remains intact.Also applies to: 224-224
258-258: Approved: stress_raw_update_concurrency test updated correctly for new KeyId type.The
stress_raw_update_concurrencytest has been properly updated to use string keys. All relevant parts of the test, including clock initialization, update method calls, and clock access, have been adjusted to work with the newKeyIdtype.Also applies to: 270-270, 281-281
307-307: Approved: stress_verify_update and stress_signature_verify_update tests updated correctly.Both
stress_verify_updateandstress_signature_verify_updatetests have been properly updated to use string keys. The changes are consistent across all relevant parts of the tests, including clock initializations, update method calls, and clock accesses.Also applies to: 327-327, 353-353, 366-368, 373-373
201-201: Approved with caution: hash_big_clock_sha256 test updated for new KeyId type.The test has been correctly updated to use string keys. However, creating a large number of string keys (1<<27) might significantly impact performance and memory usage compared to the previous integer keys.
Consider running a performance comparison. You can use the following script to measure the time and memory usage:
Compare the results with the previous implementation using integer keys to assess the performance impact.
demos/test_vlc_net/src/server.rs (1)
203-205: Verify correctness of clock update with empty iteratorIn the
event_handlerfunction, when updating the clock usingstate.clock.update([].iter(), &self.node_id.to_base58());, an empty iterator is passed. Verify that this is the intended behavior and that the clock is being updated correctly according to the VLC protocol.
There was a problem hiding this comment.
Actionable comments posted: 3
Outside diff range and nitpick comments (2)
demos/test_vlc_net/README.md (2)
10-15: Add context to the compilation instructions.The compilation instructions are clear and easy to follow. However, to improve user understanding, consider adding a brief explanation of what the compilation does and why it's necessary.
Consider adding a brief explanation before the code block, like this:
## Compile server node +Before running the test_vlc_net module, you need to compile the server node. This process builds the executable that will be used in the subsequent steps. + ```bash cargo build -p test_vlc_net --release cd target/release--- `1-33`: **Overall, good introduction to test_vlc_net module with room for improvement.** This README provides a solid introduction to the test_vlc_net module, covering the essential steps from compilation to running a multi-node network. The structure is logical and easy to follow. To further enhance its value: 1. Consider adding a "Prerequisites" section at the beginning, listing any required software or dependencies. 2. Include a brief "Troubleshooting" section at the end with common issues and their solutions. 3. If applicable, add a section on how to interpret the results or output of the test network. These additions would make the README more comprehensive and user-friendly, especially for newcomers to the project. As this module seems to be a crucial part of testing the VLC network, consider expanding this README into a more detailed guide or linking to additional documentation. This could include: - Explanation of the VLC network architecture - Details on the metrics collected during testing - Guidelines for extending or customizing the tests This would provide valuable context for developers working on or with the VLC network. <details> <summary>Tools</summary> <details> <summary>LanguageTool</summary><blockquote> [grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect. Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t... (PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT) </blockquote></details> </details> </blockquote></details> </blockquote></details> <details> <summary>Review details</summary> **Configuration used: CodeRabbit UI** **Review profile: CHILL** <details> <summary>Commits</summary> Files that changed from the base of the PR and between 896c1b5dfbd22a58da248a4a3605347e8731e6f5 and 478bd348dce845c2a5cb6c3251ad692af21b81b4. </details> <details> <summary>Files selected for processing (14)</summary> * Cargo.toml (1 hunks) * crates/README.md (1 hunks) * crates/gossip/Cargo.toml (1 hunks) * crates/gossip/src/lib.rs (1 hunks) * crates/gossip/src/network.rs (1 hunks) * crates/vlc/src/ordinary_clock.rs (15 hunks) * demos/README.md (2 hunks) * demos/tee_vlc/Cargo.toml (1 hunks) * demos/tee_vlc/src/bin/call_vlc_client.rs (4 hunks) * demos/tee_vlc/src/nitro_clock.rs (2 hunks) * demos/test_vlc_net/Cargo.toml (1 hunks) * demos/test_vlc_net/README.md (1 hunks) * demos/test_vlc_net/src/main.rs (1 hunks) * demos/test_vlc_net/src/server.rs (1 hunks) </details> <details> <summary>Files skipped from review as they are similar to previous changes (12)</summary> * Cargo.toml * crates/README.md * crates/gossip/Cargo.toml * crates/gossip/src/lib.rs * crates/gossip/src/network.rs * crates/vlc/src/ordinary_clock.rs * demos/README.md * demos/tee_vlc/src/bin/call_vlc_client.rs * demos/tee_vlc/src/nitro_clock.rs * demos/test_vlc_net/Cargo.toml * demos/test_vlc_net/src/main.rs * demos/test_vlc_net/src/server.rs </details> <details> <summary>Additional context used</summary> <details> <summary>LanguageTool</summary><blockquote> <details> <summary>demos/test_vlc_net/README.md</summary><blockquote> [grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect. Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t... (PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT) </blockquote></details> </blockquote></details> </details> <details> <summary>Additional comments not posted (1)</summary><blockquote> <details> <summary>demos/tee_vlc/Cargo.toml (1)</summary><blockquote> `26-26`: **LGTM: Feature addition is consistent and appropriate.** The addition of the "nitro-enclaves" feature to the enclaves dependency is consistent with the project structure and aligns with the PR objectives. This change enables specific Nitro Enclaves functionality in the enclaves crate, which is appropriate given the "nitro-enclaves" feature definition and related dependency in this file. </blockquote></details> </blockquote></details> </details> <!-- This is an auto-generated comment by CodeRabbit for review status -->
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Actionable comments posted: 31
🧹 Outside diff range and nitpick comments (19)
crates/gossip/Cargo.toml (1)
6-35: Dependencies look good, but consider tightening version constraints.The dependencies are well-chosen for a gossip protocol implementation, particularly the comprehensive use of libp2p features. However, to improve reproducibility and reduce the risk of breaking changes, consider tightening version constraints for dependencies without specific versions.
Consider updating the following dependencies with more specific version constraints:
-futures = "0.3" +futures = "0.3.28" -ahash = "0.8" +ahash = "0.8.3" -anyhow = "1.0" +anyhow = "1.0.71" -multiaddr = "0.18" +multiaddr = "0.18.0" -tracing = "0.1" +tracing = "0.1.37"This will help ensure consistent builds across different environments.
Cargo.toml (1)
24-29: LGTM: Dev profile configurations added.The new dev profile configurations look good:
opt-level = 1for the dev profile provides a good balance between compilation speed and runtime performance.debug = trueensures debug information is available, which is crucial during development.opt-level = 3for all packages in dev mode will improve runtime performance.Consider using
opt-level = 2for[profile.dev.package."*"]if compilation times become too long. This can provide a better balance between compilation speed and runtime performance for third-party dependencies.demos/test_vlc_net/Cargo.toml (2)
6-33: Dependencies look good, consider adding comments for clarity.The dependencies are well-chosen and appropriate for a VLC network testing module. They cover essential areas such as networking, serialization, cryptography, and profiling. All versions are specified, which is excellent for reproducibility.
To improve maintainability, consider adding brief comments explaining the purpose of some less obvious dependencies. For example:
# Peer-to-peer networking libp2p = { version = "0.54.1", features = [...] } # Asynchronous runtime tokio = { version = "1.40.0", features = ["full"] } # Performance profiling jemalloc_pprof = "0.6.0"This can help future maintainers understand the role of each dependency quickly.
34-39: Conditional dependencies are well-chosen, minor formatting suggestion.The conditional dependencies for non-MSVC environments are appropriate:
- tikv-jemallocator for memory allocation profiling
- tracing-subscriber for flexible logging configuration
These choices enhance the project's capabilities on compatible platforms while maintaining compatibility with MSVC environments.
For improved readability, consider using a multi-line format for the conditional target specification:
[target.'cfg(not(target_env = "msvc"))'.dependencies] tikv-jemallocator = { version = "0.6.0", features = [ "profiling", "unprefixed_malloc_on_supported_platforms", ] } tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }This format aligns with the style used for the libp2p dependency and improves readability.
demos/tee_vlc/Cargo.toml (1)
8-10: LGTM: Improved feature organizationThe
nitro-enclavesfeature has been expanded to include related dependencies, which is a good practice for organizing project features. This change improves the clarity of the project structure.Consider adding a brief comment above the
nitro-enclavesfeature to explain its purpose, especially if it's not immediately obvious to new contributors. For example:# Feature for AWS Nitro Enclaves support nitro-enclaves = [ "aws-nitro-enclaves-nsm-api", "aws-nitro-enclaves-attestation", ]demos/test_vlc_net/README.md (2)
1-8: Enhance clarity and readability of the introduction and features section.While the previous review has addressed the main issues, here are some additional suggestions to improve this section:
- Add a brief explanation of what VLC stands for in the introduction.
- Use consistent capitalization for "VLC" throughout the document.
- Improve the grammar and clarity of the features list.
Apply this diff to implement these improvements:
-# Test VLC Net +# Test VLC (Verifiable Leaderless Consensus) Net -This module is mainly convenient for testing vlc network. It combines vlc and gossip for constructing the multi-node network. +This module is designed for testing VLC networks. It combines VLC and gossip protocols to construct multi-node networks. -And some features as follow: -Configuration: It uses the variety commands to define detail of the vlc network. -Demonstrate: The test_vlc_net will collect useful data metric in work period. -Streamlined workflow: This program keep concise and core workflows for better testing. +Key features: +- Configuration: It uses various commands to define details of the VLC network. +- Demonstration: The test_vlc_net collects useful data metrics during operation. +- Streamlined workflow: This program keeps concise and core workflows for better testing.🧰 Tools
🪛 LanguageTool
[uncategorized] ~6-~6: Possible missing preposition found.
Context: ...w: - Configuration: It uses the variety commands to define detail of the vlc network. - ...(AI_HYDRA_LEO_MISSING_OF)
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
10-18: Add context for the tokio console function.The compilation instructions are clear, but it would be helpful to provide some context for the tokio console function.
Consider adding a brief explanation before the compilation steps:
## Compile server node The server node can be compiled with or without the tokio console function enabled. The tokio console is a debugging tool that provides insights into the runtime behavior of asynchronous applications. To compile with tokio console support: ```bash # Enable the tokio console function by setting the RUSTFLAGS environment variable export RUSTFLAGS="--cfg tokio_unstable" cargo build -p test_vlc_net cd target/debugTo compile without tokio console support, simply omit the
export RUSTFLAGSline.</blockquote></details> <details> <summary>crates/vlc/src/lib.rs (3)</summary><blockquote> `181-204`: **LGTM: `clock_serialize` test function.** The test effectively demonstrates that serialization of identical `Clock` instances can produce different byte representations due to the unordered nature of `HashMap`. The `#[ignore]` attribute is appropriate for this non-deterministic test. Consider adding a comment explaining why this test is ignored and the expected non-deterministic behavior. For example: ```rust // This test is ignored because it demonstrates non-deterministic behavior // due to the use of HashMap in Clock. Serialization order is not guaranteed. #[test] #[ignore] fn clock_serialize() { // ... (existing test code) ... }
206-232: LGTM:clock_sha256test function.The test effectively demonstrates that the same logical
Clockcan produce different serialized representations and different SHA256 hashes. This is consistent with the behavior shown in theclock_serializetest.Similar to the previous test, consider adding a comment explaining why this test is ignored and the expected non-deterministic behavior. For example:
// This test is ignored because it demonstrates non-deterministic behavior // due to the use of HashMap in Clock. Serialization and resulting hashes // are not guaranteed to be consistent for logically equivalent Clocks. #[test] #[ignore] fn clock_sha256() { // ... (existing test code) ... }
Line range hint
1-232: Summary: New tests added for serialization and hashing behavior.The changes in this file introduce two new test functions,
clock_serializeandclock_sha256, which demonstrate the non-deterministic serialization and hashing behavior of theClockstruct due to its use ofHashMap. These tests are appropriately marked with#[ignore]to prevent them from running automatically in CI pipelines.The core functionality of the
Clockstruct remains unchanged, and the existing tests continue to provide good coverage for the primary operations. The new tests add value by explicitly showing the implications of using an unordered data structure in serialization and hashing contexts.Consider documenting the non-deterministic serialization behavior in the
Clockstruct's documentation, as it may have implications for users of this struct in distributed systems or persistent storage scenarios.demos/test_vlc_net/src/main.rs (3)
1-61: LGTM! Consider grouping imports for better readability.The module imports and global allocator setup look good. The use of jemalloc for non-MSVC targets is a nice touch for performance.
Consider grouping the imports by their source (standard library, external crates, local modules) for better readability. For example:
use std::fs::File; use std::io::Write; use std::net::Ipv4Addr; use std::process; use std::sync::Arc; use anyhow::anyhow; use clap::{Parser, Subcommand}; use tracing::*; use tracing_subscriber::{fmt, prelude::*, EnvFilter}; use crate::server::{generate_config, run, ServerConfig};
10-57: LGTM! Consider adding documentation for CLI arguments.The CLI argument structure using
clapis well-organized and comprehensive.Consider adding documentation comments for the fields in the
Generatevariant of theCommandenum. This will improve the help output and make the purpose of each argument clearer. For example:/// Generate a new server configuration Generate { /// The host address (e.g., "/ip4/127.0.0.1/tcp/") #[arg(long, default_value = "/ip4/127.0.0.1/tcp/")] host: String, /// The port number #[arg(long, default_value = "9600")] port: u16, // ... (add similar comments for other fields) }
169-176: LGTM! Consider adding documentation forjemalloc_activated.The
jemalloc_activatedfunction is well-implemented, using appropriate error handling patterns.Consider adding documentation for the
jemalloc_activatedfunction to clarify its purpose and usage. For example:/// Checks if jemalloc profiling is activated and returns the profiling data if available. /// /// # Returns /// /// - `Ok(Vec<u8>)`: The jemalloc profiling data if activated. /// - `Err(anyhow::Error)`: If jemalloc profiling is not activated or an error occurred. pub async fn jemalloc_activated() -> Result<Vec<u8>, anyhow::Error> { // ... (existing implementation) }crates/gossip/src/discovery.rs (4)
436-439: Limit Logging Level for Frequent EventsThe
info!macro is used to log every address added via the identify protocol. This could lead to excessive logging in production environments.Consider reducing the logging level to
debug!ortrace!to prevent log spam.-info!("identify protocol add node: {:?}, n_node_connected: {:?}", address, self.n_node_connected); +debug!("identify protocol add node: {:?}, n_node_connected: {:?}", address, self.n_node_connected);
249-251: Document thepeer_infoMethodThe
peer_infomethod provides access to peer information but lacks documentation.Add a docstring to explain what the method returns and any important usage notes.
/// Returns information about a specific peer, if available. /// /// # Arguments /// /// * `peer_id` - The `PeerId` of the peer whose information is requested. /// /// # Returns /// /// `Option<&PeerInfo>` containing the peer's information if it exists. pub fn peer_info(&self, peer_id: &PeerId) -> Option<&PeerInfo> { self.peer_info.get(peer_id) }
182-183: Add Missing Documentation fornew_kademliaFunctionThe
new_kademliafunction is public but lacks documentation, which is important for understanding its purpose and usage.Add a docstring to the function.
/// Creates a new Kademlia behaviour configured for the specified peer and protocol. /// /// # Arguments /// /// * `peer_id` - The local peer ID. /// * `protocol` - The stream protocol to be used by Kademlia. /// /// # Returns /// /// A `kad::Behaviour` instance configured with the provided peer ID and protocol. pub fn new_kademlia( peer_id: PeerId, protocol: StreamProtocol, ) -> kad::Behaviour<kad::store::MemoryStore> { // Function implementation }
475-476: Clarify Comment RegardingmdnsUseThe comment suggests that mDNS is not important and may be removed in the future.
If mDNS is likely to be deprecated, consider creating an issue to track its removal or updating the documentation to reflect its current status in the project.
demos/test_vlc_net/src/server.rs (2)
349-392: Optimize TPS Monitoring LoggingThe TPS monitoring function logs multiple metrics individually every interval, which can clutter the logs and impact performance. Consider aggregating the metrics into a single log statement or adjust the log level to
debugto reduce verbosity.Example aggregation:
- info!("Id {}, Send TPS: {}", node_id, send_tps / time_window); - info!("Id {}, Receive TPS: {}", node_id, receive_tps / time_window); - info!( - "Id {}, Clock Update TPS: {}", - node_id, - clock_update_tps / time_window - ); - info!( - "Id {}, Total Send Bytes: {}", - node_id, - send_bytes_tps / time_window - ); - info!( - "Id {}, Total Receive Bytes: {}", - node_id, - recv_bytes_tps / time_window - ); + info!( + "Id {} - Send TPS: {}, Receive TPS: {}, Clock Update TPS: {}, Total Send Bytes: {}, Total Receive Bytes: {}", + node_id, + send_tps / time_window, + receive_tps / time_window, + clock_update_tps / time_window, + send_bytes_tps / time_window, + recv_bytes_tps / time_window + );
731-741: Handle Task Termination Gracefully in TestsIn the asynchronous test tasks, ensure that all tasks are properly awaited and any channels are closed to prevent dangling tasks or resource leaks.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (17)
- Cargo.toml (1 hunks)
- crates/README.md (1 hunks)
- crates/gossip/Cargo.toml (1 hunks)
- crates/gossip/src/discovery.rs (1 hunks)
- crates/gossip/src/lib.rs (1 hunks)
- crates/gossip/src/network.rs (1 hunks)
- crates/vlc/src/lib.rs (2 hunks)
- crates/vlc/src/ordinary_clock.rs (14 hunks)
- demos/README.md (2 hunks)
- demos/tee_vlc/Cargo.toml (2 hunks)
- demos/tee_vlc/src/bin/call_vlc_client.rs (3 hunks)
- demos/test_vlc_net/Cargo.toml (1 hunks)
- demos/test_vlc_net/README.md (1 hunks)
- demos/test_vlc_net/scripts/multi_node_test.sh (1 hunks)
- demos/test_vlc_net/scripts/watch_dog.py (1 hunks)
- demos/test_vlc_net/src/main.rs (1 hunks)
- demos/test_vlc_net/src/server.rs (1 hunks)
✅ Files skipped from review due to trivial changes (1)
- crates/vlc/src/ordinary_clock.rs
🚧 Files skipped from review as they are similar to previous changes (4)
- crates/README.md
- crates/gossip/src/lib.rs
- crates/gossip/src/network.rs
- demos/README.md
🧰 Additional context used
🪛 LanguageTool
demos/test_vlc_net/README.md
[uncategorized] ~6-~6: Possible missing preposition found.
Context: ...w: - Configuration: It uses the variety commands to define detail of the vlc network. - ...(AI_HYDRA_LEO_MISSING_OF)
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
[grammar] ~24-~24: It seems that a pronoun is missing.
Context: ...nerate config files ## DHT feature 1. If use dht as its discovery protocol, plea...(IF_VB)
🪛 Ruff
demos/test_vlc_net/scripts/watch_dog.py
55-58: Use
contextlib.suppress(KeyboardInterrupt)instead oftry-except-passReplace with
contextlib.suppress(KeyboardInterrupt)(SIM105)
🔇 Additional comments (22)
crates/gossip/Cargo.toml (2)
1-4: LGTM: Package metadata is well-defined.The package metadata is correctly specified:
- The name "gossip" accurately reflects the package's purpose.
- The version "0.1.0" follows semantic versioning for a new package.
- The edition "2021" uses the latest stable Rust edition.
37-38: Clarify the usage of the 'mdns' feature.The 'mdns' feature is defined, but its purpose and usage are not immediately clear from the Cargo.toml file alone.
Could you provide more information on how the 'mdns' feature is used in the codebase? This will help ensure it's properly implemented and documented.
To assist in verifying the feature usage, you can run the following command:
This will help identify where the feature is being used in the code.
✅ Verification successful
The 'mdns' feature is actively used in the codebase.
- Referenced in
crates/gossip/src/network.rsandcrates/gossip/src/discovery.rs.- Documented in
crates/README.mdindicating its role in discovery via mDNS.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for usage of the 'mdns' feature in the codebase rg '#\[cfg\(feature = "mdns"\)\]' crates/gossip/srcLength of output: 53
Script:
#!/bin/bash # Search for any configuration attributes or mentions of the 'mdns' feature in the entire codebase rg 'feature *= *"mdns"' . rg 'mdns' .Length of output: 1567
Cargo.toml (4)
15-21: LGTM: New workspace members added.The addition of "crates/gossip" and "demos/test_vlc_net" to the workspace members is consistent with the PR objectives. This change introduces the new gossip module for peer-to-peer networking and the test_vlc_net demo for VLC network testing.
38-39: LGTM: Bench profile added with debugging enabled.The addition of the
[profile.bench]section withdebug = trueis a good practice. This allows for easier debugging of benchmarks, which can be crucial for identifying performance bottlenecks.
41-42: LGTM: Artifact profile added. Please clarify its purpose.The addition of the
[profile.artifact]section inheriting from the release profile is good. This can be useful for creating specific build artifacts with release-like optimizations.Could you please clarify the intended use case for this new artifact profile? This information would be helpful for other developers and for future maintenance.
32-32: LGTM: Release profile optimization level changed.The change from a commented-out debug option to
opt-level = "z"for the release profile is good. This setting optimizes for size, which can be beneficial for reducing binary size.Please verify that this change doesn't significantly impact performance for your use case. Run the following script to compare binary sizes and benchmark results:
demos/test_vlc_net/Cargo.toml (1)
1-4: LGTM: Package metadata is well-defined.The package metadata is correctly specified:
- The name "test_vlc_net" accurately reflects the purpose of the module.
- The version "0.1.0" is appropriate for a new package.
- Using the 2021 edition of Rust ensures access to the latest stable features.
demos/tee_vlc/Cargo.toml (5)
7-7: LGTM: Improved feature declaration formattingThe
ordinaryfeature declaration has been consolidated into a single line, which improves readability without changing functionality. This is a good practice for simple feature declarations.
23-28: LGTM: Improved dependency specificationsThe changes to the
vlc,types,crypto, andenclavesdependencies improve the clarity and reproducibility of the project:
- Explicit path and version specifications for
vlc,types, andcrypto.- Addition of the
nitro-enclavesfeature to theenclavesdependency, which aligns with the earlier feature changes.These updates enhance the project's structure and make it easier to understand the relationships between different components.
32-43: LGTM: Improved tokio dependency formattingThe
tokiodependency features have been reformatted into a multi-line structure. This change:
- Improves readability
- Makes it easier to add or remove features in the future
- Doesn't alter any functionality
This is a good practice for managing dependencies with multiple features.
46-49: LGTM: Improved reqwest dependency formattingThe
reqwestdependency features have been reformatted into a multi-line structure, similar to thetokiodependency. This change:
- Improves readability
- Makes it easier to add or remove features in the future
- Doesn't alter any functionality
This consistent formatting across dependencies enhances the overall maintainability of the
Cargo.tomlfile.
31-31: Verify compatibility with updated tikv-jemallocatorThe
tikv-jemallocatordependency has been updated from version 0.5.4 to 0.6.0. While keeping dependencies up-to-date is generally good for security and performance, it's important to ensure that this update doesn't introduce any breaking changes.Please run the following script to check for any potential breaking changes or deprecations:
If any issues are found, please review the changes and update the code accordingly.
crates/vlc/src/lib.rs (1)
132-134: LGTM: New imports for serialization and hashing.The added imports for
bincode::Options,sha2::Sha256, andsha2::Digestare appropriate for the new test functions and don't affect the existing functionality.demos/tee_vlc/src/bin/call_vlc_client.rs (3)
17-17: LGTM: Good addition of a named constant.The introduction of
INITIAL_ZERO_VALUEas a named constant is a positive change. It improves code readability and maintainability by eliminating magic numbers.
123-123: LGTM: Consistent use of the new constant.The replacement of the literal 0 with
INITIAL_ZERO_VALUEin theUpdatecall is consistent with the newly introduced constant. This change enhances code readability and maintainability.
135-135: Verify the intent of usingINITIAL_ZERO_VALUEhere.While the use of
INITIAL_ZERO_VALUEis consistent with other changes, it might not accurately represent the original intent of this line. The previous version usedi as _, which suggests that a unique value for each iteration was intended, rather than a constant zero.Consider whether
INITIAL_ZERO_VALUEis appropriate here, or if the originali as _should be retained:let update = Update(clock.clone(), vec![clock.clone(); num_merged], i as _);Please verify the intended behavior for this parameter in the
Updateconstructor.demos/test_vlc_net/src/main.rs (2)
63-80: LGTM! Well-structured main function setup.The main function setup is well-implemented:
- Appropriate use of
#[tokio::main]for asynchronous runtime.- Flexible logging configuration using
tracingandtracing_subscriber.- Good practice implementation of a graceful shutdown mechanism.
1-176: Overall, well-implemented CLI for VLC network testing.The code demonstrates good use of Rust idioms and libraries, implementing a robust CLI for VLC network testing. Key strengths include:
- Effective use of
clapfor CLI argument parsing- Asynchronous programming with
tokio- Comprehensive logging setup with
tracing- Graceful shutdown handling
Main areas for improvement:
- Enhanced error handling, especially for file operations and server execution
- Additional documentation for CLI arguments and functions
- Optimization of argument passing in some function calls
These improvements will further enhance the code's robustness and maintainability.
demos/test_vlc_net/scripts/multi_node_test.sh (1)
69-92: Approval of Deployment Loop LogicThe deployment loop correctly iterates over each machine in the AWS machine list, deploying the executable and initiating the necessary processes. The use of
scpandsshcommands is appropriate (after removing the invalid-yoption), and the script effectively automates the deployment steps.crates/gossip/src/discovery.rs (2)
195-196: Follow Up on Potentiallibp2pBug Related to Kademlia ModeThe comment indicates a possible bug in
libp2pwhere the behaviour doesn't automatically switch to server mode. You manually set the mode toServeras a workaround.Consider opening an issue in the
libp2prepository with a minimal reproducible example to help resolve this potential bug. Do you want me to draft a report or open a GitHub issue to track this?
31-31: Update Version String to Reflect Current VersionThe
HETU_VERSION_STRINGis set to"0.1". Ensure that this version string matches the actual version of your application.Confirm whether the version string is accurate or needs to be updated.
demos/test_vlc_net/src/server.rs (1)
697-704:⚠️ Potential issueInitialize All Fields in
ServerStruct in TestsIn the
make_test_serverfunction, theServerstruct instantiation is missing initialization for some fields, such asconfig. Ensure all required fields are properly initialized to prevent runtime errors.Apply this diff to include all necessary fields:
let server = Server { local_key, state, - config, node_id, peer_id, + config: config.clone(), };Likely invalid or redundant comment.
There was a problem hiding this comment.
Actionable comments posted: 20
🧹 Outside diff range and nitpick comments (17)
crates/gossip/src/lib.rs (1)
1-3: Add module documentation for better usability.The module structure looks good and follows Rust conventions. However, consider adding documentation comments for each module to help users understand their purposes and relationships.
Here's a suggested improvement:
+//! Gossip protocol implementation for peer-to-peer networking. + +/// Network module implementing the core gossip network functionality using libp2p. pub mod network; + +/// Discovery module providing peer discovery mechanisms through Kademlia and mDNS. pub mod discovery; + +/// Peer manager module for handling peer connections and traffic monitoring. pub mod peer_manager;demos/test_vlc_net/Cargo.toml (1)
27-34: Consider optimizing system monitoring setup.The combination of
num_cpus,sysinfo, andanyhowwith backtrace suggests comprehensive system monitoring and error handling. This is appropriate for a testing environment, but consider:
- The performance impact of continuous system monitoring
- The memory overhead of storing backtraces
demos/test_vlc_net/scripts/watch_dog.py (1)
46-56: Consider adding helpful HTTP headersWhile sufficient for demo purposes, adding a few headers would improve client compatibility:
def do_GET(self): if self.path == '/logs': self.send_response(200) self.send_header("Content-type", "text/plain") + self.send_header("Content-Length", str(len(log_handler.content.encode()))) + self.send_header("Access-Control-Allow-Origin", "*") self.end_headers() self.wfile.write(log_handler.content.encode())demos/test_vlc_net/README.md (3)
10-21: Enhance compilation instructions with prerequisites and feature explanations.Consider adding more context to help users understand the requirements and optional features:
## Compile server node ```bash -# For compling tikv-jemalloc-sys +# Install prerequisites (required for compiling tikv-jemalloc-sys) sudo apt-get install make -# if enable the tokio console function, need export env variate. Then build +# Enable the tokio console feature (optional) +# This feature provides runtime metrics and debugging capabilities export RUSTFLAGS="--cfg tokio_unstable" +# Build the test_vlc_net package cargo build -p test_vlc_net cd target/debug
+### Prerequisites
+
+- make (for jemalloc compilation)
+- Rust toolchain (recommended: stable 1.70 or later)
+- Sufficient disk space for compilation (~500MB)--- `61-71`: **Use consistent list style and enhance memory parameters documentation.** 1. Convert asterisks to dashes for consistent list style. 2. Add more context for memory management parameters. ```diff -* --server: Specifies the output config file name -* --host: Sets the IP address and protocol for the node -* --port: Sets the port number for the node -* --topic: Defines the topic for the VLC network -* --trigger-us: Sets the trigger interval in microseconds -* --bootnodes: Specifies the address of the bootstrap node(s) -* --enable-tx-send: Enables transaction sending capability -* --tokio-console-port: Sets the port for the tokio console (if enabled) -* --max-sys-memory-percent: Sets the maximum system memory usage for sending event. -* --disconnect-rate: Sets the disconnect rate with peers when memory almost exhausted. -* --max-proc-memory-mb: Set the maximum process memory usage for keeping network connection. +- --server: Specifies the output config file name +- --host: Sets the IP address and protocol for the node +- --port: Sets the port number for the node +- --topic: Defines the topic for the VLC network +- --trigger-us: Sets the trigger interval in microseconds +- --bootnodes: Specifies the address of the bootstrap node(s) +- --enable-tx-send: Enables transaction sending capability +- --tokio-console-port: Sets the port for the tokio console (if enabled) +- --max-sys-memory-percent: Maximum percentage of system memory that can be used (default: 80) + Example: Set to 70 to leave more memory for other processes +- --disconnect-rate: Percentage of peers to disconnect when memory usage exceeds limit (default: 20) + Example: Set to 30 to be more aggressive in preserving memory +- --max-proc-memory-mb: Maximum process memory in MB before triggering peer disconnections + Example: Set to 4096 for a 4GB limit🧰 Tools
🪛 Markdownlint
61-61: Expected: dash; Actual: asterisk
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133-133: Remove trailing punctuation from heading.-### To stop all running nodes: +### To stop all running nodes🧰 Tools
🪛 Markdownlint
133-133: Punctuation: ':'
Trailing punctuation in heading(MD026, no-trailing-punctuation)
demos/test_vlc_net/src/main.rs (1)
184-191: Add documentation for the jemalloc profiling function.Consider adding documentation comments to explain:
- When this function should be used
- What conditions need to be met for successful profiling
- The format of the returned profiling data
+/// Attempts to retrieve jemalloc profiling data if profiling is activated. +/// +/// # Returns +/// - `Ok(Vec<u8>)` containing the pprof-formatted profiling data +/// - `Err` if profiling is not activated +/// +/// # Note +/// Requires jemalloc to be configured with profiling enabled via `malloc_conf` pub async fn jemalloc_activated() -> Result<Vec<u8>, anyhow::Error> {crates/gossip/src/network.rs (3)
161-174: Enhance error messages in discovery configuration.The error messages in the discovery configuration could be more descriptive to aid in troubleshooting.
- .map_err(|e| eyre!("bootnode format error: {}", e))? + .map_err(|e| eyre!("Failed to configure bootnode. Please check the address format: {}", e))? - .map_err(|e| eyre!("bootstrap error: {}", e))?; + .map_err(|e| eyre!("Failed to bootstrap discovery service: {}", e))?;
353-413: Consider enhancing error handling in event processing.The event handling in
poll_nextcould benefit from more robust error handling and logging, particularly for connection-related events.match event { SwarmEvent::ConnectionEstablished { peer_id, endpoint, num_established, concurrent_dial_errors: _, established_in: _, connection_id: _, } => { debug!( "Connection with {peer_id} & {endpoint:?} established (total: {num_established})", peer_id = peer_id, num_established = num_established, ); self.swarm .behaviour_mut() .gossipsub - .add_explicit_peer(&peer_id); + .add_explicit_peer(&peer_id); + if num_established > MAX_ESTABLISHED_PER_PEER as u32 { + warn!("Peer {peer_id} has exceeded the maximum allowed connections"); + } return Poll::Ready(Some(Event::PeerConnected(peer_id))); } + SwarmEvent::ConnectionClosed { peer_id, .. } => { + debug!("Connection with {peer_id} closed"); + } _ => { debug!("unhandled swarm event: {:?}", event); trace!("Event type: {:?}", std::any::type_name_of_val(&event)); } }
419-529: Enhance test coverage with additional scenarios.While the current test verifies basic two-node communication, consider adding tests for:
- Network partitioning and recovery
- Message size limits
- Multiple topic subscriptions
- Error conditions (e.g., invalid addresses)
Would you like me to help generate additional test cases to improve coverage?
crates/gossip/src/peer_manager.rs (5)
52-52: Handle potential errors fromSwarm::disconnect_peer_idSuppressing errors with
.ok()may obscure underlying issues. It's better to handle or log errors to aid debugging and ensure robustness.Apply this diff to handle the result:
- Swarm::disconnect_peer_id(swarm, *peer_id).ok(); + if let Err(e) = Swarm::disconnect_peer_id(swarm, *peer_id) { + log::warn!("Failed to disconnect peer {:?}: {:?}", peer_id, e); + }
51-51: Use logging crate instead ofprintln!for better controlUsing
println!is not recommended for logging in production code. Consider using a logging library likelogfor better flexibility and control over log output levels.Apply this diff to use the
logcrate:- println!("Disconnecting PeerId: {:?} due to high traffic", peer_id); + log::info!("Disconnecting PeerId: {:?} due to high traffic", peer_id);
33-33: Improve comment clarityThe comment contains grammatical errors, making it less clear.
Apply this diff to enhance clarity:
- // Monitor peers traffic and control whether is need to disconnect. + // Monitor peer traffic and determine whether disconnection is needed.
59-60: Update function documentation to reflect return typeThe documentation mentions returning a "slice," but the function returns a
Vec<PeerId>. Update the comment for accuracy.Apply this diff to correct the documentation:
- /// Return slice of ordered peers from the peer manager. Ordering + /// Returns a vector of peers ordered by traffic size. Ordering
20-23: Consider deriving common traits forTrafficMonitorDeriving traits like
Debug,Clone, orDefaultfor structs can be helpful for testing and logging purposes.Apply this addition:
+ #[derive(Debug, Clone)] pub struct TrafficMonitor {demos/test_vlc_net/src/server.rs (2)
816-817: Simplify Assertion in TestIn
test_stress_ser_unser, the assertion can be simplified for readability.Replace
assert_eq!(true, condition)withassert!(condition):-assert_eq!(true, pubkey.verify(&serialized_event, &signature)); +assert!(pubkey.verify(&serialized_event, &signature));
781-785: Consider Cloning Outside the Loop for EfficiencyIn the test
test_stress_ser_unser, cloningevent_netinside the loop may introduce unnecessary overhead.Move the cloning operation outside the loop:
-while start.elapsed() < duration { +let event_net_clone = event_net.clone(); +while start.elapsed() < duration { let serialized_event = bincode::serialize(&event_net_clone).unwrap(); // Rest of the code...
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (18)
- Cargo.toml (1 hunks)
- crates/README.md (1 hunks)
- crates/gossip/Cargo.toml (1 hunks)
- crates/gossip/src/discovery.rs (1 hunks)
- crates/gossip/src/lib.rs (1 hunks)
- crates/gossip/src/network.rs (1 hunks)
- crates/gossip/src/peer_manager.rs (1 hunks)
- crates/vlc/src/lib.rs (2 hunks)
- crates/vlc/src/ordinary_clock.rs (14 hunks)
- demos/README.md (2 hunks)
- demos/tee_vlc/Cargo.toml (2 hunks)
- demos/tee_vlc/src/bin/call_vlc_client.rs (3 hunks)
- demos/test_vlc_net/Cargo.toml (1 hunks)
- demos/test_vlc_net/README.md (1 hunks)
- demos/test_vlc_net/scripts/multi_node_test.sh (1 hunks)
- demos/test_vlc_net/scripts/watch_dog.py (1 hunks)
- demos/test_vlc_net/src/main.rs (1 hunks)
- demos/test_vlc_net/src/server.rs (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (10)
- Cargo.toml
- crates/README.md
- crates/gossip/Cargo.toml
- crates/gossip/src/discovery.rs
- crates/vlc/src/lib.rs
- crates/vlc/src/ordinary_clock.rs
- demos/README.md
- demos/tee_vlc/Cargo.toml
- demos/tee_vlc/src/bin/call_vlc_client.rs
- demos/test_vlc_net/scripts/multi_node_test.sh
🧰 Additional context used
📓 Learnings (3)
crates/gossip/src/network.rs (3)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/network.rs:162-168 Timestamp: 2024-10-09T06:02:59.420Z Learning: Using `.unwrap()` in methods like `unsubscribe` to get instant feedback on errors is acceptable.Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/network.rs:162-168 Timestamp: 2024-09-24T10:28:56.858Z Learning: Using `.unwrap()` in methods like `unsubscribe` to get instant feedback on errors is acceptable.Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/discovery.rs:277-545 Timestamp: 2024-10-22T06:21:47.579Z Learning: When reviewing `DiscoveryBehaviour` in `crates/gossip/src/discovery.rs`, focus on important traits and avoid suggesting deriving `NetworkBehaviour` directly if the current implementation is acceptable.demos/test_vlc_net/scripts/watch_dog.py (1)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: demos/test_vlc_net/scripts/watch_dog.py:43-51 Timestamp: 2024-10-22T06:01:58.795Z Learning: In `demos/test_vlc_net/scripts/watch_dog.py`, the log viewing script is intended for demo purposes, and performance optimizations such as handling large log files are not required.demos/test_vlc_net/src/server.rs (2)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: demos/test_vlc_net/src/server.rs:153-168 Timestamp: 2024-10-22T05:45:52.989Z Learning: The `event_trigger_task` function in `demos/test_vlc_net/src/server.rs` is intentionally designed to discard messages when the send channel is full.Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: demos/test_vlc_net/src/server.rs:96-108 Timestamp: 2024-10-22T05:43:14.900Z Learning: In the `identity_to_u64` function, the requirement is to extract the first 8 bytes of the raw string, not a hash of it.
🪛 LanguageTool
demos/test_vlc_net/README.md
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
[grammar] ~78-~78: Consider using either the past participle “enabled” or the present participle “enabling” here.
Context: ... the bootnode (if using DHT) If DHT is enable, first start the bootnode: ```bash noh...(BEEN_PART_AGREEMENT)
🪛 Markdownlint
demos/test_vlc_net/README.md
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🔇 Additional comments (12)
demos/test_vlc_net/Cargo.toml (5)
1-4: LGTM: Package metadata is properly configured.The package metadata follows Rust conventions with appropriate name, version, and edition specification.
21-26: Review cryptographic dependencies versions.The cryptographic libraries (ed25519-dalek, sha2, base58, base64) are at recent versions, which is good for security. However:
#!/bin/bash # Description: Check for any known vulnerabilities in dependencies # Look for any security advisories mentioned in the codebase echo "Checking for security advisories..." rg -l "RUSTSEC" --type rust
9-18: Consider security implications of libp2p features.The libp2p configuration includes critical networking features. While the selection is appropriate for a testing environment, be aware that:
mdnsenables local network discoverynoiseprovides encryptiongossipsubenables pub/sub messagingEnsure these align with your security requirements.
#!/bin/bash # Description: Check for any security-related configurations in the codebase # Look for security-related configurations echo "Checking for security configurations..." rg -l "mdns|noise|gossipsub" --type rust
35-40: Review memory allocator configuration.The conditional use of tikv-jemallocator with profiling enabled is good for development and testing. However:
- Ensure profiling is only enabled in development/testing environments
- Consider the performance impact of
unprefixed_malloc_on_supported_platforms#!/bin/bash # Description: Check for jemalloc usage in production code # Look for jemalloc configuration in release profiles echo "Checking for jemalloc configuration in release profiles..." rg -l "jemalloc|allocator" --type toml
7-8: Verify the local crate dependencies.The local crate dependencies need to be verified to ensure they exist at the specified paths.
✅ Verification successful
Let me verify the existence of these crates with a more reliable command.
Local crate dependencies are valid
Both
gossipandvlccrates exist at the specified paths in the repository:
crates/gossip/Cargo.tomlcrates/vlc/Cargo.toml🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the existence of local crate dependencies # Check if the gossip crate exists if ! [ -f "crates/gossip/Cargo.toml" ]; then echo "Error: gossip crate not found at crates/gossip" exit 1 fi # Check if the vlc crate exists if ! [ -f "crates/vlc/Cargo.toml" ]; then echo "Error: vlc crate not found at crates/vlc" exit 1 fiLength of output: 362
Script:
#!/bin/bash # Using fd to find Cargo.toml files in crates directory fd Cargo.toml crates/Length of output: 221
demos/test_vlc_net/scripts/watch_dog.py (1)
20-40: Well-structured implementation with proper error handlingThe
LogFileHandlerclass is well-implemented with:
- Proper error handling for file operations
- Clean property-based access to content
- Efficient file change monitoring
demos/test_vlc_net/README.md (1)
1-8: Skip comment: Grammar and introduction clarity.A previous review comment already addressed the grammatical error and suggested improvements to the introduction clarity.
🧰 Tools
🪛 LanguageTool
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
demos/test_vlc_net/src/main.rs (2)
1-9: LGTM! Clean module structure and imports.The imports are well-organized and follow Rust best practices.
65-67: LGTM! Proper jemalloc configuration.The global allocator is correctly configured with conditional compilation for non-MSVC targets.
crates/gossip/src/network.rs (1)
36-45: LGTM! Well-structured network behavior implementation.The
GossipnetBehaviourstruct follows libp2p best practices by placing connection management behaviors first. The comment explaining the ordering rationale is particularly helpful.demos/test_vlc_net/src/server.rs (2)
928-930:⚠️ Potential issueEnsure Bootnodes Address Format is Correct in Test
In the test
test_press_recv_event, the bootnode address lacks the/p2p/protocol component, which may prevent proper connection.Update the bootnode address to include the
PeerId:let boot_nodes = vec![ - "/ip4/127.0.0.1/tcp/9601".to_string() + format!("/ip4/127.0.0.1/tcp/9601/p2p/{}", server_arc.peer_id) ];This ensures that the test node can correctly identify and connect to the bootnode.
Likely invalid or redundant comment.
225-226: Check for Disconnection Before Retrying SendIn
event_trigger_task, when a send fails, it's important to check if the network is still connected before attempting to send again.Run the following script to verify if the network is connected after a send timeout:
Ensure that the
Networkstruct has a methodconnected_peers()or adjust the script accordingly.
There was a problem hiding this comment.
Actionable comments posted: 10
🧹 Outside diff range and nitpick comments (14)
demos/test_vlc_net/scripts/watch_dog.py (3)
5-18: Add type hints and module docstring for better maintainability.Consider adding type hints and a module docstring to improve code maintainability and documentation:
+""" +A simple HTTP server that monitors and serves log file content. + +This script is part of the test_vlc_net module and provides real-time log monitoring +capabilities for VLC network testing. +""" + import os import http.server import socketserver import argparse from watchdog.observers import Observer from watchdog.events import FileSystemEventHandler parser = argparse.ArgumentParser(description='Simple HTTP server to view log files.') parser.add_argument('log_file_path', type=str, help='Path to the log file to be monitored') parser.add_argument('--port', type=int, default=8000, help='Port to serve HTTP requests (default: 8000)') args = parser.parse_args() -LOG_FILE_PATH = args.log_file_path -PORT = args.port +LOG_FILE_PATH: str = args.log_file_path +PORT: int = args.port
20-40: Add class and method documentation.The
LogFileHandlerclass and its methods would benefit from proper documentation:class LogFileHandler(FileSystemEventHandler): + """ + Handles log file monitoring and content updates. + + Inherits from FileSystemEventHandler to watch for file modifications + and maintains the current content of the monitored log file. + """ + def __init__(self, file_path): + """Initialize with the path to the log file to monitor.""" self.file_path = file_path self._content = self._read_file() def _read_file(self): + """Read and return the content of the log file, handling potential errors.""" try: with open(self.file_path, 'r') as file: return file.read() except (FileNotFoundError, PermissionError) as e: print(f"Error reading log file: {e}") return "" def on_modified(self, event): + """Update content when the log file is modified.""" if event.src_path == self.file_path: self._content = self._read_file() @property def content(self): + """Get the current content of the log file.""" return self._content
46-56: Add Content-Length and CORS headers for better client compatibility.Consider adding Content-Length header for proper client handling and CORS headers if web browser access is needed:
def do_GET(self): if self.path == '/logs': + content = log_handler.content.encode() self.send_response(200) self.send_header("Content-type", "text/plain") + self.send_header("Content-Length", str(len(content))) + # Add CORS headers if web browser access is needed + self.send_header("Access-Control-Allow-Origin", "*") + self.send_header("Access-Control-Allow-Methods", "GET") self.end_headers() - self.wfile.write(log_handler.content.encode()) + self.wfile.write(content) else: self.send_response(404) self.end_headers()crates/gossip/src/peer_manager.rs (2)
6-9: Add documentation for public structs.Both
PeerManagerandTrafficMonitorare public structs that lack documentation. Consider adding doc comments explaining their purpose, responsibilities, and usage examples.Apply this diff to add documentation:
+/// Manages peer connections and banning in a gossip network. +/// +/// # Examples +/// +/// ``` +/// let manager = PeerManager::new(0.1); // Disconnect 10% of peers +/// ``` pub struct PeerManager { pub traffic: TrafficMonitor, pub peer_ban_list: HashMap<PeerId, Option<Instant>>, } +/// Monitors and controls peer traffic in the network. +/// +/// Tracks traffic per peer and can disconnect peers that exceed +/// traffic thresholds based on the configured fraction. pub struct TrafficMonitor { peer_traffic: HashMap<PeerId, u64>, fraction_to_disconnect: f64, }Also applies to: 20-23
86-88: Add safety check for clear_peer_traffic.The
clear_peer_trafficmethod could be dangerous if called while monitoring is active. Consider adding a warning log or check to prevent unintended clearing.Apply this improvement:
pub fn clear_peer_traffic(&mut self) { + if !self.peer_traffic.is_empty() { + tracing::warn!("Clearing non-empty peer traffic map. This may affect ongoing monitoring."); + } self.peer_traffic.clear(); }demos/test_vlc_net/README.md (1)
133-133: Fix markdown heading style.Remove the trailing colon from the heading to follow markdown style guidelines.
-### To stop all running nodes: +### Stop all running nodes🧰 Tools
🪛 Markdownlint
133-133: Punctuation: ':'
Trailing punctuation in heading(MD026, no-trailing-punctuation)
demos/test_vlc_net/src/main.rs (2)
65-67: Add documentation for jemalloc configuration.Consider adding documentation explaining:
- Why jemalloc is used over the system allocator
- The implications of using jemalloc for memory profiling
- Why it's excluded for MSVC targets
184-191: Enhance error messages for jemalloc profiling.Consider providing more detailed error messages to help diagnose profiling issues:
- Err(anyhow!("jemalloc profiling is not activated")) + Err(anyhow!("jemalloc profiling is not activated - ensure MALLOC_CONF includes 'prof:true,prof_active:true'"))crates/gossip/src/network.rs (1)
429-530: Enhance test coverage with additional assertions and error casesWhile the test covers basic communication, consider adding:
- Assertions for connection states
- Error cases (network partition, message timeout)
- Multiple topic subscriptions
- Message size limits
- Peer disconnection scenarios
Would you like me to help generate additional test cases?
crates/gossip/src/discovery.rs (4)
158-160: Enhance error handling in Kademlia bootstrapThe current error handling only logs the bootstrap failure. Consider propagating this error to the caller or implementing a retry mechanism.
if let Err(e) = kademlia.bootstrap() { - warn!("Kademlia bootstrap failed: {}", e); + warn!("Kademlia bootstrap failed: {}. Retrying in 5 seconds...", e); + // Implement retry logic or propagate error }
267-276: Enhance peer removal robustnessThe
remove_peermethod could benefit from additional error handling and logging to track peer removal operations.pub fn remove_peer(&mut self, peer_id: &PeerId) { + debug!("Removing peer {}", peer_id); if self.discovery.autonat.is_enabled(){ if let Some(nat) = self.discovery.autonat.as_mut(){ nat.remove_server(peer_id); + debug!("Removed peer from AutoNAT"); } } if let Some(kad) = self.discovery.get_kadelia_mut() { kad.remove_peer(peer_id); + debug!("Removed peer from Kademlia"); } }
594-608: Expand test coverageThe current test only covers basic Kademlia functionality. Consider adding tests for:
- Edge cases (network partitions, node failures)
- Different configuration combinations (mDNS enabled/disabled)
- Stress testing with many peers
Example additional test:
#[tokio::test] async fn mdns_discovery_test() { // Test mDNS discovery let mut config = DiscoveryConfig::new(keypair.public(), "calibnet") .with_mdns(true) .with_kademlia(false); // ... test implementation }
439-460: Consider optimizing peer discovery strategyThe current implementation uses a simple exponential backoff for random peer discovery. Consider implementing a more sophisticated strategy:
- Adaptive peer discovery based on network conditions
- Prioritized peer selection based on latency/uptime
- Circuit breaker pattern for failed discovery attempts
This could help optimize network performance and resource usage, especially in large networks.
demos/test_vlc_net/src/server.rs (1)
927-932: Document ignored test and extract hardcoded valuesThe test is marked as
#[ignore]without explanation, and it uses hardcoded network addresses.
- Add a comment explaining why the test is ignored
- Extract hardcoded values to constants:
+const TEST_SENDER_ADDR: &str = "/ip4/127.0.0.1/tcp/9601"; +const TEST_RECEIVER_ADDR: &str = "/ip4/127.0.0.1/tcp/9602"; +const TEST_TOPIC: &str = "vlc"; #[ignore] +// This test is ignored because it requires a running node1 sender on port 9601 #[tokio::test] async fn test_press_recv_event() -> anyhow::Result<()> { - let listen_addr = "/ip4/127.0.0.1/tcp/9602"; - let topic_str = "vlc"; + let listen_addr = TEST_RECEIVER_ADDR; + let topic_str = TEST_TOPIC; // Need start node1 sender listen on /ip4/127.0.0.1/tcp/9601, - let boot_nodes = vec!["/ip4/127.0.0.1/tcp/9601".to_string()]; + let boot_nodes = vec![TEST_SENDER_ADDR.to_string()];
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📒 Files selected for processing (18)
- Cargo.toml (1 hunks)
- crates/README.md (1 hunks)
- crates/gossip/Cargo.toml (1 hunks)
- crates/gossip/src/discovery.rs (1 hunks)
- crates/gossip/src/lib.rs (1 hunks)
- crates/gossip/src/network.rs (1 hunks)
- crates/gossip/src/peer_manager.rs (1 hunks)
- crates/vlc/src/lib.rs (2 hunks)
- crates/vlc/src/ordinary_clock.rs (14 hunks)
- demos/README.md (2 hunks)
- demos/tee_vlc/Cargo.toml (2 hunks)
- demos/tee_vlc/src/bin/call_vlc_client.rs (3 hunks)
- demos/test_vlc_net/Cargo.toml (1 hunks)
- demos/test_vlc_net/README.md (1 hunks)
- demos/test_vlc_net/scripts/multi_node_test.sh (1 hunks)
- demos/test_vlc_net/scripts/watch_dog.py (1 hunks)
- demos/test_vlc_net/src/main.rs (1 hunks)
- demos/test_vlc_net/src/server.rs (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (11)
- Cargo.toml
- crates/README.md
- crates/gossip/Cargo.toml
- crates/gossip/src/lib.rs
- crates/vlc/src/lib.rs
- crates/vlc/src/ordinary_clock.rs
- demos/README.md
- demos/tee_vlc/Cargo.toml
- demos/tee_vlc/src/bin/call_vlc_client.rs
- demos/test_vlc_net/Cargo.toml
- demos/test_vlc_net/scripts/multi_node_test.sh
🧰 Additional context used
📓 Learnings (4)
crates/gossip/src/discovery.rs (1)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/discovery.rs:277-545 Timestamp: 2024-10-22T06:21:47.579Z Learning: When reviewing `DiscoveryBehaviour` in `crates/gossip/src/discovery.rs`, focus on important traits and avoid suggesting deriving `NetworkBehaviour` directly if the current implementation is acceptable.crates/gossip/src/network.rs (3)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/network.rs:162-168 Timestamp: 2024-10-09T06:02:59.420Z Learning: Using `.unwrap()` in methods like `unsubscribe` to get instant feedback on errors is acceptable.Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/network.rs:162-168 Timestamp: 2024-09-24T10:28:56.858Z Learning: Using `.unwrap()` in methods like `unsubscribe` to get instant feedback on errors is acceptable.Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: crates/gossip/src/discovery.rs:277-545 Timestamp: 2024-10-22T06:21:47.579Z Learning: When reviewing `DiscoveryBehaviour` in `crates/gossip/src/discovery.rs`, focus on important traits and avoid suggesting deriving `NetworkBehaviour` directly if the current implementation is acceptable.demos/test_vlc_net/scripts/watch_dog.py (1)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: demos/test_vlc_net/scripts/watch_dog.py:43-51 Timestamp: 2024-10-22T06:01:58.795Z Learning: In `demos/test_vlc_net/scripts/watch_dog.py`, the log viewing script is intended for demo purposes, and performance optimizations such as handling large log files are not required.demos/test_vlc_net/src/server.rs (2)
Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: demos/test_vlc_net/src/server.rs:96-108 Timestamp: 2024-10-22T05:43:14.900Z Learning: In the `identity_to_u64` function, the requirement is to extract the first 8 bytes of the raw string, not a hash of it.Learnt from: ai-chen2050 PR: hetu-project/chronos#19 File: demos/test_vlc_net/src/server.rs:153-168 Timestamp: 2024-10-22T05:45:52.989Z Learning: The `event_trigger_task` function in `demos/test_vlc_net/src/server.rs` is intentionally designed to discard messages when the send channel is full.
🪛 LanguageTool
demos/test_vlc_net/README.md
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
🪛 Markdownlint
demos/test_vlc_net/README.md
61-61: Expected: dash; Actual: asterisk
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133-133: Punctuation: ':'
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🔇 Additional comments (8)
demos/test_vlc_net/README.md (1)
121-129: Skip review as issues are already addressed.The log monitoring commands have already been reviewed and corrected in past comments.
demos/test_vlc_net/src/main.rs (4)
1-9: LGTM! Clean module structure and imports.The imports are well-organized and follow Rust best practices.
46-49: Add validation for memory parameters.The memory parameters need runtime validation to ensure system stability:
max_sys_memory_percentshould be between 5% and 95%max_proc_memory_mbshould have reasonable upper limits
95-102: Consider refactoring tokio console setup into a separate function.Extract the tokio console setup logic for better maintainability.
113-133: LGTM! Well-implemented shutdown handling.The shutdown handling using
tokio::select!is well-implemented:
- Handles Ctrl+C gracefully
- Captures server errors
- Performs cleanup for jemalloc profiling
crates/gossip/src/network.rs (2)
36-45: Well-structured network behavior implementation!The ordering of behaviors is correctly implemented, with connection-managing behaviors placed first to prevent panics in debug builds. This follows the best practices mentioned in the libp2p issue #4773.
218-244: Verify gossip configuration parameters for production useThe current configuration needs verification:
max_transmit_sizeof 1MB might be too large for a gossip networkheartbeat_intervalof 1 second could generate excessive network trafficduplicate_cache_timeof 10 seconds might need adjustment based on network sizeConsider profiling these values in a production-like environment.
✅ Verification successful
Let me search for any configuration tests or documentation that might provide insights into these parameter choices.
Let me check the test implementation to understand how these parameters are used in practice.
Based on the gathered information, I can now provide a final response about the configuration parameters:
Gossip configuration parameters appear reasonable for the use case
The current configuration is appropriate because:
- The 1MB
max_transmit_sizeis justified as the implementation is used in a test VLC network where nodes need to exchange state data- The 1-second
heartbeat_intervalis suitable given:
- The network is designed for real-time event causality ordering
- Tests show small network sizes (two-node tests, configurable peer counts)
- Discovery is limited by
target_peer_countparameter- The 10-second
duplicate_cache_timeis reasonable for the message deduplication needs in this scaleThe configuration shows careful consideration of network scalability by:
- Using content-addressed messages to prevent duplicate propagation
- Implementing lazy gossip with controlled peer counts
- Having configurable disconnect rates for memory management
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for any existing performance metrics or documentation rg -g '!target' -g '!*.lock' -A 5 'max_transmit_size|heartbeat_interval|duplicate_cache_time'Length of output: 772
Script:
#!/bin/bash # Search for tests and documentation related to gossip configuration rg -g '!target' -g '!*.lock' -l "gossipsub.*Config" # Look for any documentation about network parameters fd README.md | xargs rg -i "gossip|network" # Search for any performance or benchmark tests rg -g '!target' -g '!*.lock' "test.*gossip" -A 5Length of output: 3735
Script:
#!/bin/bash # Get the full test implementation to understand parameter usage ast-grep --pattern 'test_gossip_two_nodes_by_dm' -A 50 crates/gossip/src/network.rs # Look for any benchmark or stress test implementations rg -g '!target' -g '!*.lock' "bench.*gossip|stress.*gossip" -A 5 # Check for any comments or documentation about network sizing rg -g '!target' -g '!*.lock' -i "network.*size|peer.*count|node.*count" -A 3Length of output: 9122
demos/test_vlc_net/src/server.rs (1)
117-128:⚠️ Potential issueImplement direct byte extraction instead of hashing
As per the learning note, the requirement is to extract the first 8 bytes of the raw string directly, not to hash it first.
Apply this diff to fix the implementation:
fn identity_to_u64(identity: &str) -> Option<u64> { - let bytes = identity.from_base58().ok()?; - - // Hash the bytes using SHA-256 - let hash = Sha256::digest(&bytes); - - // Take the first 8 bytes of the hash and convert to u64 + let bytes = identity.from_base58().ok()?; + + // Ensure we have at least 8 bytes + if bytes.len() < 8 { + return None; + } + + // Take the first 8 bytes directly let mut u64_bytes = [0u8; 8]; - u64_bytes.copy_from_slice(&hash[..8]); + u64_bytes.copy_from_slice(&bytes[..8]); Some(u64::from_be_bytes(u64_bytes)) }Likely invalid or redundant comment.
There was a problem hiding this comment.
Actionable comments posted: 5
🧹 Outside diff range and nitpick comments (16)
crates/README.md (2)
11-16: Fix grammar and enhance documentation.The documentation is well-structured, but could be improved:
- Fix grammar in the first bullet point:
-This hybrid logical clock crate implements a hybrid logical clock (HLC) construct +This crate implements a hybrid logical clock (HLC) construct
- Consider adding:
- Example usage scenarios
- Basic code snippet demonstrating timestamp creation
- Performance characteristics compared to other clock implementations
Would you like me to help draft the additional documentation sections?
🧰 Tools
🪛 LanguageTool
[grammar] ~13-~13: The verb form ‘crate’ does not appear to fit in this context.
Context: ...## hlc - This hybrid logical clock crate implements a hybrid logical clock (HLC)...(SINGULAR_NOUN_VERB_AGREEMENT)
Line range hint
1-48: Consider reorganizing modules by functional categories.The README currently lists modules sequentially, but could benefit from logical grouping. Consider organizing modules into categories such as:
Time and Synchronization
- vlc (Verifiable Logical Clock)
- hlc (Hybrid Logical Clock)
Networking and Communication
- gossip
- accumulator
Storage and Consistency
- cops (Causally consistent data store)
Security and Cryptography
- enclaves
- crypto
- vrf
This organization would make it easier for users to understand the relationships between different modules and their roles in the system.
🧰 Tools
🪛 LanguageTool
[grammar] ~13-~13: The verb form ‘crate’ does not appear to fit in this context.
Context: ...## hlc - This hybrid logical clock crate implements a hybrid logical clock (HLC)...(SINGULAR_NOUN_VERB_AGREEMENT)
demos/test_vlc_net/README.md (2)
13-13: Fix typo in comment."compling" should be "compiling"
-# For compling tikv-jemalloc-sys +# For compiling tikv-jemalloc-sys
134-155: Fix formatting issues in the shutdown section.
- Remove trailing punctuation from the heading
- Add space after numbered list items
-### To stop all running nodes: +### To stop all running nodes -1.Find the process IDs: +1. Find the process IDs: -2.Stop each process using its ID: +2. Stop each process using its ID:🧰 Tools
🪛 Markdownlint (0.35.0)
134-134: Punctuation: ':'
Trailing punctuation in heading(MD026, no-trailing-punctuation)
demos/test_vlc_net/src/main.rs (1)
90-94: Consider improving config file error messages.While using
expect()is acceptable during initialization, the error messages could be more descriptive:- .expect("Server configuration file is not exist,failed to open"); + .expect("Failed to open server configuration file. Please ensure it exists and you have read permissions"); - .expect("Format of configuration file is not correct"); + .expect("Failed to parse server configuration. Please ensure it's a valid JSON file");crates/gossip/src/network.rs (3)
98-108: Consider parameterizing network configuration valuesThe
buildmethod uses hardcoded values formax_discover_node(50) anddisconnect_rate(1.0). Consider making these configurable through builder methods for better flexibility.pub struct NetworkBuilder { local_key: Keypair, bootnodes: Option<Vec<String>>, listen_addr: String, + max_discover_node: u32, + disconnect_rate: f64, } impl NetworkBuilder { pub fn new(local_key: Keypair) -> Self { Self { local_key, bootnodes: None, listen_addr: LISTEN_ADDR.to_string(), + max_discover_node: 50, + disconnect_rate: 1.0, } } + pub fn max_discover_node(mut self, value: u32) -> Self { + self.max_discover_node = value; + self + } + pub fn disconnect_rate(mut self, value: f64) -> Self { + self.disconnect_rate = value; + self + } pub fn build(self) -> Result<Network> { Network::new( self.local_key, self.bootnodes, self.listen_addr, Discover::Config, - 50, - 1.0, + self.max_discover_node, + self.disconnect_rate, ) } }
218-244: Consider making gossip configuration parameters configurableThe
new_gossipmethod uses hardcoded values for various gossip parameters. Consider extracting these into a configuration struct for better flexibility and reusability.+#[derive(Debug, Clone)] +pub struct GossipConfig { + pub heartbeat_interval: Duration, + pub duplicate_cache_time: Duration, + pub max_transmit_size: usize, + pub history_length: u32, + pub history_gossip: u32, + pub gossip_lazy: u32, + pub gossip_factor: f64, + pub gossip_retransmission: u32, +} + +impl Default for GossipConfig { + fn default() -> Self { + Self { + heartbeat_interval: Duration::from_secs(1), + duplicate_cache_time: Duration::from_secs(10), + max_transmit_size: 1024 * 1024, + history_length: 2, + history_gossip: 1, + gossip_lazy: 5, + gossip_factor: 0.25, + gossip_retransmission: 3, + } + } +} -fn new_gossip(local_key: &Keypair) -> Result<gossipsub::Behaviour, color_eyre::eyre::Error> { +fn new_gossip( + local_key: &Keypair, + config: GossipConfig, +) -> Result<gossipsub::Behaviour, color_eyre::eyre::Error> { let message_id_fn = |message: &gossipsub::Message| { use DigestHash as _; let hash = message.data.blake2(); gossipsub::MessageId::from(hash.as_bytes()) }; let gossipsub_config = gossipsub::ConfigBuilder::default() - .heartbeat_interval(Duration::from_secs(1)) - .duplicate_cache_time(Duration::from_secs(10)) - .max_transmit_size(1024 * 1024) // 1 MB - .history_length(2) - .history_gossip(1) - .gossip_lazy(5) - .gossip_factor(0.25) - .gossip_retransimission(3) + .heartbeat_interval(config.heartbeat_interval) + .duplicate_cache_time(config.duplicate_cache_time) + .max_transmit_size(config.max_transmit_size) + .history_length(config.history_length) + .history_gossip(config.history_gossip) + .gossip_lazy(config.gossip_lazy) + .gossip_factor(config.gossip_factor) + .gossip_retransimission(config.gossip_retransmission)
409-413: Improve logging for unhandled eventsConsider logging unhandled events at a higher log level (info/warn) in production to ensure important events aren't missed. Also, consider adding structured logging with event-specific details.
_ => { - debug!("unhandled swarm event: {:?}", event); - trace!("Event type: {:?}", std::any::type_name_of_val(&event)); + warn!( + event_type = %std::any::type_name_of_val(&event), + ?event, + "Unhandled swarm event" + ); }crates/gossip/src/discovery.rs (4)
48-48: Fix typo in method nameThe method name
get_kadelia_mutcontains a typo. It should beget_kademlia_mut.- pub fn get_kadelia_mut(&mut self) -> Option<&mut kad::Behaviour<kad::store::MemoryStore>> { + pub fn get_kademlia_mut(&mut self) -> Option<&mut kad::Behaviour<kad::store::MemoryStore>> {
158-160: Consider propagating bootstrap errorThe bootstrap error is currently only logged. Consider propagating this error to allow the caller to handle it appropriately, especially since this is part of the initialization process.
- if let Err(e) = kademlia.bootstrap() { - warn!("Kademlia bootstrap failed: {}", e); - } + kademlia.bootstrap().map_err(|e| { + warn!("Kademlia bootstrap failed: {}", e); + anyhow::anyhow!("Failed to bootstrap Kademlia: {}", e) + })?;
309-315: Simplify NAT status methodThe method can be simplified by removing unnecessary return statements and improving formatting.
pub fn nat_status(&self) -> Option<autonat::NatStatus> { - if let Some(nat) = self.discovery.autonat.as_ref(){ - return Some(nat.nat_status()) - }else { - return None; - } + self.discovery.autonat.as_ref().map(|nat| nat.nat_status()) }
594-653: Expand test coverageThe current test suite only covers basic Kademlia functionality. Consider adding tests for:
- mDNS discovery
- AutoNAT functionality
- UPnP behavior
- Error handling scenarios (e.g., bootstrap failures)
- Edge cases with target peer count
Would you like me to help generate additional test cases for these scenarios?
demos/test_vlc_net/src/server.rs (3)
38-44: Use more specific types for cryptographic dataThe
pub_keyandsignaturefields use rawVec<u8>. Consider using wrapper types or newtype pattern for better type safety and to prevent accidental misuse of these sensitive fields.+#[derive(Debug, Clone)] +struct PublicKey(Vec<u8>); +#[derive(Debug, Clone)] +struct Signature(Vec<u8>); #[derive(Serialize, Deserialize, Debug, Clone)] pub struct P2PMsg { clock: OrdinaryClock, data: Vec<u8>, - pub_key: Option<Vec<u8>>, - signature: Option<Vec<u8>>, + pub_key: Option<PublicKey>, + signature: Option<Signature>, }
344-413: Consider adding metrics for signature verification failuresWhile the signature verification logic is sound, adding metrics for failed verifications would help monitor potential security issues or network problems.
if pubkey.verify(&serialized_event, &received_signature) { { if let Err(err) = tx_async_state .send(StateUpdate::IncrementReceiveCount( msg_len, VLCUpdate { others: vec![received_clock], id: self.node_id, }, )) .await { error!("Update state send fail, err: {:?}", err); } } } else { warn!("signature validate failed."); + if let Ok(mut state) = self.state.try_write() { + state.metrics.signature_failures += 1; + } }
753-773: Add edge cases to signature verification testsThe current test only verifies the happy path. Consider adding tests for:
- Invalid signatures
- Empty/malformed public keys
- Maximum message sizes
+#[test] +fn test_verify_signature_edge_cases() { + let local_key = identity::Keypair::generate_ed25519(); + let wrong_key = identity::Keypair::generate_ed25519(); + let event = P2PMsg { + clock: OrdinaryClock::default(), + data: "data".into(), + pub_key: None, + signature: None, + }; + + // Test with wrong key + let serialized_event = bincode::options().serialize(&event).unwrap(); + let signature = wrong_key.sign(&serialized_event).unwrap(); + let pubkey = local_key.public(); + assert_eq!(false, pubkey.verify(&serialized_event, &signature)); +}crates/hlc/src/lib.rs (1)
88-95: Use documentation comments///for public methodsThe comments for the
new()andnew_sendable()methods are currently using//, which are regular comments. For public API methods, it's recommended to use documentation comments///to include them in generated documentation.You can apply the following changes:
- // Creates a standard hybrid logical clock, using `std::time::SystemTime` as - // supplier of the physical clock's wall time. + /// Creates a standard hybrid logical clock, using `std::time::SystemTime` as + /// supplier of the physical clock's wall time. pub fn new() -> State<fn() -> SystemTime> { State::new_with(SystemTime::now) } - // Returns the result of `State::new()`, wrapped in a `Mutex`. + /// Returns the result of `State::new()`, wrapped in a `Mutex`. pub fn new_sendable() -> Mutex<State<fn() -> SystemTime>> { Mutex::new(State::new()) }
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📒 Files selected for processing (20)
Cargo.toml(1 hunks)crates/README.md(2 hunks)crates/gossip/Cargo.toml(1 hunks)crates/gossip/src/discovery.rs(1 hunks)crates/gossip/src/lib.rs(1 hunks)crates/gossip/src/network.rs(1 hunks)crates/gossip/src/peer_manager.rs(1 hunks)crates/hlc/Cargo.toml(1 hunks)crates/hlc/src/lib.rs(1 hunks)crates/vlc/src/lib.rs(2 hunks)crates/vlc/src/ordinary_clock.rs(14 hunks)demos/README.md(2 hunks)demos/tee_vlc/Cargo.toml(2 hunks)demos/tee_vlc/src/bin/call_vlc_client.rs(3 hunks)demos/test_vlc_net/Cargo.toml(1 hunks)demos/test_vlc_net/README.md(1 hunks)demos/test_vlc_net/scripts/multi_node_test.sh(1 hunks)demos/test_vlc_net/scripts/watch_dog.py(1 hunks)demos/test_vlc_net/src/main.rs(1 hunks)demos/test_vlc_net/src/server.rs(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- crates/hlc/Cargo.toml
🚧 Files skipped from review as they are similar to previous changes (11)
- Cargo.toml
- crates/gossip/Cargo.toml
- crates/gossip/src/lib.rs
- crates/vlc/src/lib.rs
- crates/vlc/src/ordinary_clock.rs
- demos/README.md
- demos/tee_vlc/Cargo.toml
- demos/tee_vlc/src/bin/call_vlc_client.rs
- demos/test_vlc_net/Cargo.toml
- demos/test_vlc_net/scripts/multi_node_test.sh
- demos/test_vlc_net/scripts/watch_dog.py
🧰 Additional context used
📓 Learnings (4)
crates/gossip/src/discovery.rs (1)
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: crates/gossip/src/discovery.rs:277-545
Timestamp: 2024-11-10T16:38:46.772Z
Learning: When reviewing `DiscoveryBehaviour` in `crates/gossip/src/discovery.rs`, focus on important traits and avoid suggesting deriving `NetworkBehaviour` directly if the current implementation is acceptable.
crates/gossip/src/network.rs (2)
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: crates/gossip/src/network.rs:162-168
Timestamp: 2024-11-10T16:38:46.772Z
Learning: Using `.unwrap()` in methods like `unsubscribe` to get instant feedback on errors is acceptable.
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: crates/gossip/src/discovery.rs:277-545
Timestamp: 2024-11-10T16:38:46.772Z
Learning: When reviewing `DiscoveryBehaviour` in `crates/gossip/src/discovery.rs`, focus on important traits and avoid suggesting deriving `NetworkBehaviour` directly if the current implementation is acceptable.
demos/test_vlc_net/src/main.rs (1)
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: demos/test_vlc_net/src/main.rs:81-166
Timestamp: 2024-11-10T16:38:46.772Z
Learning: In the `demos/test_vlc_net/src/main.rs` file, during the server's initialization phase, it's acceptable to use `unwrap()` to exit immediately if a critical error occurs.
demos/test_vlc_net/src/server.rs (4)
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: demos/test_vlc_net/src/server.rs:96-108
Timestamp: 2024-11-10T16:38:46.772Z
Learning: In the `identity_to_u64` function, the requirement is to extract the first 8 bytes of the raw string, not a hash of it.
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: demos/test_vlc_net/src/server.rs:259-265
Timestamp: 2024-11-10T16:38:46.772Z
Learning: Under high network overhead or on low-performance machines, it's acceptable to drop messages when the concurrency limit is reached in the `event_handler` function in `demos/test_vlc_net/src/server.rs`.
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: demos/test_vlc_net/src/server.rs:153-168
Timestamp: 2024-11-10T16:38:46.772Z
Learning: The `event_trigger_task` function in `demos/test_vlc_net/src/server.rs` is intentionally designed to discard messages when the send channel is full.
Learnt from: ai-chen2050
PR: hetu-project/chronos#19
File: demos/test_vlc_net/src/server.rs:164-164
Timestamp: 2024-11-10T16:38:46.772Z
Learning: In test code, it's acceptable to log the entire `received_event` for debugging and testing purposes.
🪛 LanguageTool
crates/README.md
[grammar] ~13-~13: The verb form ‘crate’ does not appear to fit in this context.
Context: ...## hlc - This hybrid logical clock crate implements a hybrid logical clock (HLC)...
(SINGULAR_NOUN_VERB_AGREEMENT)
demos/test_vlc_net/README.md
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...
(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
🪛 Markdownlint (0.35.0)
demos/test_vlc_net/README.md
62-62: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
63-63: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
64-64: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
65-65: Expected: dash; Actual: asterisk
Unordered list style
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66-66: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
67-67: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
68-68: Expected: dash; Actual: asterisk
Unordered list style
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69-69: Expected: dash; Actual: asterisk
Unordered list style
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70-70: Expected: dash; Actual: asterisk
Unordered list style
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71-71: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
72-72: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
134-134: Punctuation: ':'
Trailing punctuation in heading
(MD026, no-trailing-punctuation)
🔇 Additional comments (20)
crates/gossip/src/peer_manager.rs (6)
6-9: Improve encapsulation of PeerManager fields
The public fields violate encapsulation principles and could lead to invariant violations.
33-57: Function _monitor is not invoked
The asynchronous function _monitor is defined but never called within the provided code.
61-80: Extract duplicated traffic analysis logic
The traffic analysis logic is duplicated between top_traffic_peers and _monitor methods.
82-84: Ensure thread safety when modifying peer_traffic
If record_traffic is called from multiple threads or asynchronous contexts, accessing peer_traffic without synchronization can lead to data races.
51-51: 🛠️ Refactor suggestion
Replace println with proper logging
Using println for logging in a library is not recommended. Consider using a proper logging framework like tracing or log.
Apply this diff:
- println!("Disconnecting PeerId: {:?} due to high traffic", peer_id);
+ tracing::info!("Disconnecting peer {:?} due to high traffic", peer_id);Likely invalid or redundant comment.
11-18: 🛠️ Refactor suggestion
Add parameter validation and ban list management
The constructor should validate that fraction_to_disconnect is between 0.0 and 1.0. Additionally, the implementation needs methods to manage the ban list effectively.
Apply this refactor:
impl PeerManager {
pub fn new(fraction_to_disconnect: f64) -> Self {
+ if !(0.0..=1.0).contains(&fraction_to_disconnect) {
+ panic!("fraction_to_disconnect must be between 0.0 and 1.0");
+ }
Self {
traffic: TrafficMonitor::new(fraction_to_disconnect),
peer_ban_list: HashMap::new(),
}
}
+
+ pub fn is_banned(&self, peer_id: &PeerId) -> bool {
+ self.peer_ban_list
+ .get(peer_id)
+ .and_then(|ban_time| *ban_time)
+ .map_or(false, |until| Instant::now() < until)
+ }
+
+ pub fn ban_peer(&mut self, peer_id: PeerId, duration: Duration) {
+ self.peer_ban_list.insert(peer_id, Some(Instant::now() + duration));
+ }
+
+ pub fn unban_peer(&mut self, peer_id: &PeerId) {
+ self.peer_ban_list.remove(peer_id);
+ }
}Likely invalid or redundant comment.
demos/test_vlc_net/README.md (4)
1-8: Introduction needs clarity and grammar improvements.
The introduction section still contains the issues identified in the previous review:
- Inconsistent capitalization of technical terms (VLC, DHT)
- Grammar issue in line 8 ("keep" should be "keeps")
- The introduction could be more precise and professional
🧰 Tools
🪛 LanguageTool
[grammar] ~8-~8: “Program” is a singular noun. It appears that the verb form is incorrect.
Context: ...d. - Streamlined workflow: This program keep concise and core workflows for better t...
(PCT_SINGULAR_NOUN_PLURAL_VERB_AGREEMENT)
62-72: Maintain consistent markdown list style.
The configuration parameters section still uses asterisks instead of dashes for the unordered list, which is inconsistent with the rest of the document.
🧰 Tools
🪛 Markdownlint (0.35.0)
62-62: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
63-63: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
64-64: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
65-65: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
66-66: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
67-67: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
68-68: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
69-69: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
70-70: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
71-71: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
72-72: Expected: dash; Actual: asterisk
Unordered list style
(MD004, ul-style)
122-130: Update log monitoring commands for per-node log files.
The log monitoring commands still use a single log file path instead of the wildcard pattern needed for multiple log files.
92-92:
Fix inconsistent log file naming.
The bootnode uses server0.log while business nodes use a single server.log. This will cause all business node logs to be written to the same file, making it difficult to debug issues with specific nodes.
- nohup ./test_vlc_net --server server"$I".json run >>server.log 2>&1 &
+ nohup ./test_vlc_net --server server"$I".json run >>server"$I".log 2>&1 &Likely invalid or redundant comment.
demos/test_vlc_net/src/main.rs (5)
1-9: LGTM! Clean and well-organized imports.
The module declaration and imports are logically organized and all are actively used in the implementation.
46-49: Memory parameters need runtime validation.
The memory parameters are passed without validation:
max_sys_memory_percentshould be between 5% and 95%max_proc_memory_mbshould have a reasonable upper limit
65-67: LGTM! Proper global allocator setup.
The jemalloc global allocator is correctly configured with appropriate platform-specific conditional compilation.
113-133: LGTM! Well-implemented graceful shutdown.
The shutdown handling is well-implemented with proper cleanup:
- Handles Ctrl+C signal
- Performs memory profiling dump if enabled
- Gracefully exits the process
184-191: LGTM! Well-implemented jemalloc profiling.
The function properly handles jemalloc profiling with appropriate error handling and async implementation.
crates/gossip/src/network.rs (1)
299-327:
Uncomment and handle peer disconnection properly
The peer disconnection call is commented out, which means peers aren't actually being disconnected despite being blocked. This could lead to resource leaks.
if !addr.is_empty() {
info!("Disconnecting & add blocked list due to high traffic, Multiaddr: {:?}", addr);
self.swarm.behaviour_mut().discovery.remove_peer(peer_id);
self.peer_manager.peer_ban_list.insert(*peer_id, None);
self.swarm.behaviour_mut().blocked_peers.block_peer(*peer_id);
- // let _ = self.swarm.disconnect_peer_id(*peer_id);
+ if let Err(e) = self.swarm.disconnect_peer_id(*peer_id) {
+ warn!("Failed to disconnect peer {}: {}", peer_id, e);
+ }
}Likely invalid or redundant comment.
crates/gossip/src/discovery.rs (2)
454-456:
Fix interval reset to prevent immediate ticks
The current interval reset may cause immediate ticks. Use reset_with to explicitly set the next tick time.
- self.next_kad_random_query = tokio::time::interval(self.duration_to_next_kad);
- // we need to reset the interval, otherwise the next tick completes immediately.
- self.next_kad_random_query.reset();
+ self.next_kad_random_query = tokio::time::interval(self.duration_to_next_kad);
+ self.next_kad_random_query.reset_with(tokio::time::Instant::now() + self.duration_to_next_kad);Likely invalid or redundant comment.
113-119: 🛠️ Refactor suggestion
Enhance address parsing robustness
The current implementation assumes the last component is always a P2p protocol. Consider using iter().last() to safely check the last component without modifying the address until validation succeeds.
- if let Some(Protocol::P2p(peer_id)) = addr.pop() {
+ if let Some(Protocol::P2p(peer_id)) = addr.iter().last().cloned() {
+ addr.pop();
self.user_defined.push((peer_id, addr))
} else {
- anyhow::bail!("Failed to parse peer id from {addr}")
+ anyhow::bail!("Invalid address format. Expected /p2p/<peer_id> as last component in {addr}")
}Likely invalid or redundant comment.
demos/test_vlc_net/src/server.rs (1)
27-29: Consider adjusting the network timeout value
The NET_TIMEOUT constant of 1 second might be too short for high-latency networks or when dealing with large messages. Consider making this configurable or increasing the default value.
crates/hlc/src/lib.rs (1)
25-26:
Cannot derive Ord for HLTimespec because SystemTime does not implement Ord
Attempting to derive Ord for HLTimespec will fail because SystemTime does not implement the Ord trait. To fix this, you need to implement the PartialOrd and Ord traits manually for HLTimespec, defining how to compare the wall and logical fields.
You can apply the following changes:
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
-#[derive(Debug, Clone, Copy, Eq, PartialEq, PartialOrd, Ord)]
pub struct HLTimespec {
wall: SystemTime,
logical: u64,
}
+use std::cmp::Ordering;
+
+impl PartialOrd for HLTimespec {
+ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+ Some(self.cmp(other))
+ }
+}
+
+impl Ord for HLTimespec {
+ fn cmp(&self, other: &Self) -> Ordering {
+ match self.wall.cmp(&other.wall) {
+ Ordering::Equal => self.logical.cmp(&other.logical),
+ ord => ord,
+ }
+ }
+}Likely invalid or redundant comment.
This module is mainly convenient for testing vlc network. It combines vlc and gossip for constructing the multi-node network.
And some features as follow:
Summary by CodeRabbit
Release Notes
New Features
gossipmodule for peer-to-peer networking with customizable parameters.Test_VLC_Netmodule for testing VLC networks, including configuration options and data collection.test_vlc_netserver application.PeerManagerstruct to manage peer connections and monitor traffic.hlcmodule for hybrid logical clock functionality.Bug Fixes
Documentation
gossipandTest_VLC_Netmodules.hlcmodule.Chores
Cargo.tomlfiles for better readability.