feat: Add function manager for register and run function by function name - #25
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WalkthroughThe pull request introduces several modifications primarily focused on integrating the Changes
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Actionable comments posted: 12
🧹 Outside diff range and nitpick comments (14)
tools/scripts/lib_install/macOS/install-lib.sh (1)
14-15: Consider version pinning for consistencyFor better reproducibility, consider pinning the version of msgpack-cxx similar to how mariadb-connector-cpp is version-controlled below.
brew install \ boost \ fmt \ spdlog \ mariadb-connector-c\ - msgpack-cxx + msgpack-cxx@7.0.0tools/scripts/lib_install/linux/install-lib.sh (1)
27-27: Consider adding a comment to document the dependency.Adding a brief comment about why msgpack is required would improve maintainability.
+"# Install msgpack-cxx for serialization support" "$lib_install_scripts_dir"/msgpack.sh 7.0.0src/spider/CMakeLists.txt (1)
13-13: Consider relocating FunctionManager header to core directoryThe
FunctionManager.hppis placed in theworker/directory but is included inSPIDER_CORE_HEADERS. This suggests a potential architectural issue, as core headers should typically be independent of worker-specific components. Consider moving this header to thecore/directory if it provides core functionality, or create a separate header list for worker-specific components.src/spider/core/Serializer.hpp (1)
15-20: Add descriptive error messages to type_error exceptions.The current exceptions don't provide any context about what went wrong. Add descriptive messages to help with debugging.
- throw type_error(); + throw type_error("Expected BIN type for UUID conversion");- throw type_error(); + throw type_error("Invalid UUID size in binary data");src/spider/core/Data.hpp (3)
17-17: Consider initializing all members in constructorWhile m_id is properly initialized, consider explicitly initializing other members in the constructor's initializer list for clarity and consistency.
- Data() { init_id(); } + Data() : m_value(""), m_locality(), m_hard_locality(false) { init_id(); }
32-32: Add documentation for serialization formatConsider adding a comment describing the serialization format and any version compatibility considerations.
+ /// Defines the MsgPack serialization format for Data objects. + /// Format: [uuid, optional<string>, string, vector<string>, bool] MSGPACK_DEFINE(m_id, m_key, m_value, m_locality, m_hard_locality);
34-34: Document the purpose of is_data()The purpose of this type identification method isn't immediately clear. Consider:
- Adding documentation explaining its use case
- Whether this should be part of a broader type identification system
+ /// Static method for runtime type identification of Data objects. + /// Used by the FunctionManager to verify parameter types. static auto is_data() -> bool { return true; }tools/scripts/lib_install/msgpack.sh (3)
3-5: Add dependency verificationThe script documents Boost as a dependency but doesn't verify its presence. Consider adding a check to ensure Boost is installed before proceeding.
# Dependencies: # - Boost # NOTE: Dependencies should be installed outside the script to allow the script to be largely distro-agnostic + +# Verify Boost installation +if ! dpkg -l | grep -q "libboost-dev"; then + echo "Error: Boost development libraries not found" + echo "Please install Boost before running this script" + exit 1 +fi
38-43: Enhance privilege elevation handlingThe current sudo check might fail in environments without sudo or when the sudo prompt times out. Consider adding timeout handling and a fallback mechanism.
echo "Checking for elevated privileges..." privileged_command_prefix="" if [ ${EUID:-$(id -u)} -ne 0 ] ; then - sudo echo "Script can elevate privileges." - privileged_command_prefix="${privileged_command_prefix} sudo" + if command -v sudo >/dev/null 2>&1; then + if sudo -n true 2>/dev/null; then + privileged_command_prefix="sudo" + else + echo "Please enter sudo password (timeout in 60 seconds):" + if sudo -v -p "Password: " -S; then + privileged_command_prefix="sudo" + else + echo "Error: Failed to obtain sudo privileges" + exit 1 + fi + fi + else + echo "Error: Neither root privileges nor sudo available" + exit 1 + fi fi
58-60: Optimize build configurationThe current CMAKE configuration lacks build type specification and parallel build support. Consider adding these optimizations for better build performance.
# Set up cd ${extracted_dir} -cmake . +# Determine number of CPU cores +if command -v nproc >/dev/null 2>&1; then + num_cores=$(nproc) +else + num_cores=4 # Default to 4 cores +fi + +cmake -DCMAKE_BUILD_TYPE=Release \ + -DMSGPACK_CXX11=ON \ + -DMSGPACK_BUILD_EXAMPLES=OFF \ + .tests/worker/test-FunctionManager.cpp (3)
20-22: Consider adding input validation in data_testThe function concatenates the value with itself without validating the input. Consider adding checks for empty values or maximum length constraints.
auto data_test(spider::core::Data const& data) -> spider::core::Data { + if (data.get_value().empty()) { + return data; + } + auto const new_value = data.get_value() + data.get_value(); + if (new_value.length() > MAX_VALUE_LENGTH) { + throw std::length_error("Resulting value exceeds maximum length"); + } - return spider::core::Data{data.get_id(), data.get_value() + data.get_value()}; + return spider::core::Data{data.get_id(), new_value}; }
24-60: Consider restructuring test case for better organizationWhile the test coverage is good, consider restructuring using BDD-style GIVEN/WHEN/THEN sections for better readability:
-TEST_CASE("Register and run function with POD inputs", "[core]") { +TEST_CASE("FunctionManager - POD function handling", "[core]") { + SECTION("GIVEN an unregistered function") { + REQUIRE(nullptr == manager.get_function("foo")); + } + + SECTION("GIVEN a registered POD function") { REGISTER_TASK(int_test); spider::core::FunctionManager& manager = spider::core::FunctionManager::get_instance(); + + SECTION("WHEN called with valid arguments") { spider::core::ArgsBuffer const args_buffers = spider::core::create_args_buffers(2, 3); msgpack::sbuffer const result = (*function)(args_buffers); REQUIRE(5 == spider::core::buffer_get<int>(result).value_or(0)); + } + // ... other sections for error cases + } }🧰 Tools
🪛 cppcheck
[error] 24-24: syntax error
(syntaxError)
11-11: Consider adding test suite documentationAdd a comment block describing the test strategy and coverage goals. This would help maintainers understand the test organization and identify gaps in coverage.
namespace { +/** + * Test Suite: FunctionManager + * + * Coverage Goals: + * - Function registration and retrieval + * - Argument handling and type safety + * - Error conditions and edge cases + * - Integration with Data class + */src/spider/worker/FunctionManager.hpp (1)
220-227: Simplifyregister_functionimplementation using a lambda expressionConsider replacing
std::bindwith a lambda for better readability and potential performance benefits. Lambdas can make the code more concise and easier to understand.Apply this diff to use a lambda:
template <class F> auto register_function(std::string const& name, F f) -> bool { return m_map .emplace( name, - std::bind(&FunctionInvoker<F>::apply, std::move(f), std::placeholders::_1) + [func = std::move(f)](ArgsBuffer const& args_buffer) { + return FunctionInvoker<F>::apply(func, args_buffer); + } ) .second; }
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📒 Files selected for processing (11)
CMakeLists.txt(1 hunks)src/spider/CMakeLists.txt(2 hunks)src/spider/core/Data.hpp(3 hunks)src/spider/core/MsgPack.hpp(1 hunks)src/spider/core/Serializer.hpp(1 hunks)src/spider/worker/FunctionManager.hpp(1 hunks)tests/CMakeLists.txt(1 hunks)tests/worker/test-FunctionManager.cpp(1 hunks)tools/scripts/lib_install/linux/install-lib.sh(1 hunks)tools/scripts/lib_install/macOS/install-lib.sh(1 hunks)tools/scripts/lib_install/msgpack.sh(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- src/spider/core/MsgPack.hpp
🧰 Additional context used
🪛 cppcheck
tests/worker/test-FunctionManager.cpp
[error] 24-24: syntax error
(syntaxError)
🪛 Shellcheck
tools/scripts/lib_install/msgpack.sh
[warning] 71-71: Quotes/backslashes will be treated literally. Use an array.
(SC2089)
[warning] 73-73: Quotes/backslashes in this variable will not be respected.
(SC2090)
🔇 Additional comments (9)
tools/scripts/lib_install/macOS/install-lib.sh (1)
14-15: Verify msgpack-cxx version availability in Homebrew
The addition of msgpack-cxx to the installation script looks good. However, let's verify the version availability since the CMake configuration requires version 7.0.0.
✅ Verification successful
msgpack-cxx version 7.0.0 is available in Homebrew
The package is available in Homebrew with exactly the required version (7.0.0). The installation script will work as expected.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check available msgpack-cxx versions in Homebrew
# Expected: Version 7.0.0 or higher should be available
brew info msgpack-cxx
Length of output: 95
Script:
#!/bin/bash
# Let's check if the package exists in Homebrew's official repositories
# by searching through their tap repositories
# Clone Homebrew core tap repository to check formulae
git clone --depth=1 https://github.com/Homebrew/homebrew-core.git
cd homebrew-core
# Search for msgpack-cxx formula
find Formula/ -type f -exec grep -l "msgpack-cxx" {} \;
Length of output: 325
Script:
#!/bin/bash
# Let's examine the msgpack-cxx formula to check its version
cat homebrew-core/Formula/m/msgpack-cxx.rb
Length of output: 1932
tests/CMakeLists.txt (1)
8-8: LGTM! The test file addition follows the established pattern.
The new test file is properly integrated into the build system, maintaining consistency with existing test organization.
Let's verify the existence of the test file:
✅ Verification successful
Test file exists and contains appropriate test cases
The test file is properly placed in the expected location and includes multiple test cases using Catch2 framework, covering function registration and execution scenarios.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify that the test file exists and contains test cases
# Check if the test file exists
fd "test-FunctionManager.cpp" tests/worker
# Verify it contains test cases using Catch2 macros
rg "TEST_CASE|SECTION" tests/worker/test-FunctionManager.cpp
Length of output: 340
tools/scripts/lib_install/linux/install-lib.sh (1)
27-27: LGTM! Verify msgpack.sh script existence.
The addition follows the established pattern for library installations.
Let's verify the msgpack installation script exists:
✅ Verification successful
Let me try a different approach to verify the script's existence.
Script exists and appears to be properly implemented
The msgpack.sh script has been found at tools/scripts/lib_install/msgpack.sh and contains proper implementation for installing msgpack-cxx with version handling, dependency checks, and elevated privileges management. The script follows the same patterns as other library installation scripts in the codebase.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check if msgpack.sh exists and is executable
# Expected: Script should exist in the parent directory
# Get the parent directory of install-lib.sh
parent_dir=$(dirname "$(fd -t f "install-lib.sh")")
# Check if msgpack.sh exists in parent directory
if fd -t f "msgpack.sh" "${parent_dir}/.." ; then
echo "✓ msgpack.sh found"
else
echo "✗ msgpack.sh not found"
fi
Length of output: 556
Script:
#!/bin/bash
# Search for msgpack.sh in the repository
fd -t f "msgpack.sh"
# If found, let's also check its content
if fd -t f "msgpack.sh" -x cat {} \;
then
echo "Content found"
else
echo "No content found"
fi
Length of output: 2006
src/spider/CMakeLists.txt (1)
27-27: Verify msgpack-cxx configuration and version constraints
The msgpack-cxx library is correctly added as a PUBLIC dependency, but there are some considerations:
- Ensure that the required version of msgpack-cxx is properly specified in the find_package call
- Consider adding a check to verify if the package was found successfully
✅ Verification successful
Based on the results, I can now generate the final response since I have sufficient information about the msgpack-cxx configuration in the build system.
msgpack-cxx is properly configured with version constraints
The build system correctly handles msgpack-cxx configuration:
- Version 7.0.0 is explicitly required via
find_package(msgpack-cxx 7.0.0 REQUIRED) - Proper error handling is in place with status messages and fatal errors
- The PUBLIC linkage in target_link_libraries is appropriate for the usage
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify msgpack-cxx configuration in the build system
# Check for find_package call with version constraints
rg -l "find_package.*msgpack" --type cmake
# Check for version constraints and configuration
rg "msgpack" --type cmake -A 5 -B 5
Length of output: 1401
src/spider/core/Serializer.hpp (2)
1-9: LGTM! Header organization is clean and well-structured.
The include guards follow proper naming convention, and all necessary headers are present with appropriate IWYU pragma directives.
33-40: Consider adding error handling for packing operations.
The packing operations could potentially fail. Consider adding try-catch blocks to handle potential exceptions from the packer.
src/spider/core/Data.hpp (1)
11-12: LGTM! Verify header files exist
The new includes are properly ordered and necessary for MsgPack serialization support.
✅ Verification successful
Header files are correctly included and exist in the codebase
Both MsgPack.hpp and Serializer.hpp are present in the same directory (src/spider/core/) as Data.hpp, confirming proper header inclusion and project structure.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify the existence of the new header files
# Expected: Both header files should exist in the project
fd -e hpp "^(MsgPack|Serializer)\.hpp$"
Length of output: 100
tests/worker/test-FunctionManager.cpp (2)
1-10: LGTM! Well-structured includes section.
The includes are properly organized with project-specific headers first, followed by system headers. The NOLINT pragmas are appropriately specific and well-documented.
36-38: Verify buffer cleanup in test cases
Ensure that the message buffers are properly cleaned up to prevent memory leaks. Consider using RAII wrappers or explicit cleanup in test teardown.
Also applies to: 69-71, 85-87
| auto operator()(msgpack::object const& object, boost::uuids::uuid& id) const | ||
| -> msgpack::object const& { |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Consider returning void instead of const reference.
Returning a const reference to a parameter can lead to dangling references if the parameter's lifetime ends. Since the object isn't modified, consider changing the return type to void.
- auto operator()(msgpack::object const& object, boost::uuids::uuid& id) const
- -> msgpack::object const& {
+ void operator()(msgpack::object const& object, boost::uuids::uuid& id) const {📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| auto operator()(msgpack::object const& object, boost::uuids::uuid& id) const | |
| -> msgpack::object const& { | |
| void operator()(msgpack::object const& object, boost::uuids::uuid& id) const { |
| -> msgpack::packer<Stream>& { | ||
| packer.pack_bin(id.size()); | ||
| // NOLINTBEGIN(cppcoreguidelines-pro-type-cstyle-cast) | ||
| packer.pack_bin_body((char const*)id.data(), id.size()); |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Replace C-style cast with reinterpret_cast.
Using C-style casts can hide dangerous conversions. Use explicit C++ cast operators instead.
- packer.pack_bin_body((char const*)id.data(), id.size());
+ packer.pack_bin_body(reinterpret_cast<char const*>(id.data()), id.size());📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| packer.pack_bin_body((char const*)id.data(), id.size()); | |
| packer.pack_bin_body(reinterpret_cast<char const*>(id.data()), id.size()); |
| std::uint8_t data[boost::uuids::uuid::static_size()]; | ||
| std::memcpy(data, object.via.bin.ptr, boost::uuids::uuid::static_size()); | ||
| id = boost::uuids::uuid{data}; |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Consider using std::array for safer memory operations.
The current implementation uses C-style arrays and memcpy. Consider using std::array for better type safety and std::copy_n for more explicit bounds checking.
- std::uint8_t data[boost::uuids::uuid::static_size()];
- std::memcpy(data, object.via.bin.ptr, boost::uuids::uuid::static_size());
- id = boost::uuids::uuid{data};
+ std::array<std::uint8_t, boost::uuids::uuid::static_size()> data;
+ std::copy_n(static_cast<const std::uint8_t*>(object.via.bin.ptr),
+ boost::uuids::uuid::static_size(),
+ data.begin());
+ id = boost::uuids::uuid{data.data()};📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| std::uint8_t data[boost::uuids::uuid::static_size()]; | |
| std::memcpy(data, object.via.bin.ptr, boost::uuids::uuid::static_size()); | |
| id = boost::uuids::uuid{data}; | |
| std::array<std::uint8_t, boost::uuids::uuid::static_size()> data; | |
| std::copy_n(static_cast<const std::uint8_t*>(object.via.bin.ptr), | |
| boost::uuids::uuid::static_size(), | |
| data.begin()); | |
| id = boost::uuids::uuid{data.data()}; |
| # Clean up | ||
| rm -rf $temp_dir No newline at end of file |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Improve cleanup handling
The cleanup process should be more robust with proper error handling and trap for script interruption.
+# Cleanup function
+cleanup() {
+ local exit_code=$?
+ echo "Cleaning up..."
+ if [ -d "$temp_dir" ]; then
+ rm -rf "$temp_dir" || echo "Warning: Failed to remove temporary directory: $temp_dir"
+ fi
+ exit $exit_code
+}
+
+# Set trap for cleanup
+trap cleanup EXIT INT TERM
+
-# Clean up
-rm -rf $temp_dir📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Clean up | |
| rm -rf $temp_dir | |
| # Cleanup function | |
| cleanup() { | |
| local exit_code=$? | |
| echo "Cleaning up..." | |
| if [ -d "$temp_dir" ]; then | |
| rm -rf "$temp_dir" || echo "Warning: Failed to remove temporary directory: $temp_dir" | |
| fi | |
| exit $exit_code | |
| } | |
| # Set trap for cleanup | |
| trap cleanup EXIT INT TERM |
| if [ ! -e ${tar_filename} ] ; then | ||
| curl -fsSL https://github.com/msgpack/msgpack-c/releases/download/cpp-${version}/${tar_filename} -o ${tar_filename} | ||
| fi |
There was a problem hiding this comment.
Add security measures for download
The current download process lacks checksum verification and explicit HTTPS certificate validation, which could expose the system to supply chain attacks.
+# Define checksums for known versions
+declare -A CHECKSUMS
+CHECKSUMS["4.1.1"]="sha256-checksum-here"
+
if [ ! -e ${tar_filename} ] ; then
- curl -fsSL https://github.com/msgpack/msgpack-c/releases/download/cpp-${version}/${tar_filename} -o ${tar_filename}
+ # Ensure proper TLS certificate validation
+ curl --proto '=https' --tlsv1.2 -fsSL \
+ https://github.com/msgpack/msgpack-c/releases/download/cpp-${version}/${tar_filename} \
+ -o ${tar_filename}
+
+ # Verify checksum if available
+ if [ -n "${CHECKSUMS[$version]}" ]; then
+ echo "${CHECKSUMS[$version]} ${tar_filename}" | sha256sum -c
+ else
+ echo "Warning: No checksum available for version ${version}"
+ fi
fiCommittable suggestion skipped: line range outside the PR's diff.
| # Find and setup msgpack | ||
| find_package(msgpack-cxx 7.0.0 REQUIRED) | ||
| if(msgpack-cxx_FOUND) | ||
| message(STATUS "Found msgpack-cxx ${msgpack-css_VERSION}") |
There was a problem hiding this comment.
Fix typo in version output variable
There's a typo in the variable name: msgpack-css_VERSION should be msgpack-cxx_VERSION.
- message(STATUS "Found msgpack-cxx ${msgpack-css_VERSION}")
+ message(STATUS "Found msgpack-cxx ${msgpack-cxx_VERSION}")📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| message(STATUS "Found msgpack-cxx ${msgpack-css_VERSION}") | |
| message(STATUS "Found msgpack-cxx ${msgpack-cxx_VERSION}") |
| # Find and setup msgpack | ||
| find_package(msgpack-cxx 7.0.0 REQUIRED) | ||
| if(msgpack-cxx_FOUND) | ||
| message(STATUS "Found msgpack-cxx ${msgpack-css_VERSION}") | ||
| else() | ||
| message(FATAL_ERROR "Could not find msgpack-cxx") | ||
| endif() |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Add static/shared library handling for consistency
The msgpack-cxx configuration should follow the same pattern as other dependencies by respecting the SPIDER_USE_STATIC_LIBS setting.
# Find and setup msgpack
+if(SPIDER_USE_STATIC_LIBS)
+ set(msgpack-cxx_USE_STATIC_LIBS ON)
+endif()
find_package(msgpack-cxx 7.0.0 REQUIRED)
if(msgpack-cxx_FOUND)
- message(STATUS "Found msgpack-cxx ${msgpack-css_VERSION}")
+ message(STATUS "Found msgpack-cxx ${msgpack-cxx_VERSION}")
else()
- message(FATAL_ERROR "Could not find msgpack-cxx")
+ if(SPIDER_USE_STATIC_LIBS)
+ message(FATAL_ERROR "Could not find static libraries for msgpack-cxx")
+ else()
+ message(FATAL_ERROR "Could not find ${SPIDER_LIBS_STRING} libraries for msgpack-cxx")
+ endif()
endif()📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Find and setup msgpack | |
| find_package(msgpack-cxx 7.0.0 REQUIRED) | |
| if(msgpack-cxx_FOUND) | |
| message(STATUS "Found msgpack-cxx ${msgpack-css_VERSION}") | |
| else() | |
| message(FATAL_ERROR "Could not find msgpack-cxx") | |
| endif() | |
| # Find and setup msgpack | |
| if(SPIDER_USE_STATIC_LIBS) | |
| set(msgpack-cxx_USE_STATIC_LIBS ON) | |
| endif() | |
| find_package(msgpack-cxx 7.0.0 REQUIRED) | |
| if(msgpack-cxx_FOUND) | |
| message(STATUS "Found msgpack-cxx ${msgpack-cxx_VERSION}") | |
| else() | |
| if(SPIDER_USE_STATIC_LIBS) | |
| message(FATAL_ERROR "Could not find static libraries for msgpack-cxx") | |
| else() | |
| message(FATAL_ERROR "Could not find ${SPIDER_LIBS_STRING} libraries for msgpack-cxx") | |
| endif() | |
| endif() |
| class FunctionManager { | ||
| public: | ||
| FunctionManager(FunctionManager const&) = delete; | ||
|
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| auto operator=(FunctionManager const&) -> FunctionManager& = delete; | ||
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| FunctionManager(FunctionManager&&) = delete; | ||
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| auto operator=(FunctionManager&&) -> FunctionManager& = delete; | ||
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| static auto get_instance() -> FunctionManager& { | ||
| static FunctionManager instance; | ||
| return instance; | ||
| } | ||
|
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| template <class F> | ||
| auto register_function(std::string const& name, F f) -> bool { | ||
| return m_map | ||
| .emplace( | ||
| name, | ||
| std::bind(&FunctionInvoker<F>::apply, std::move(f), std::placeholders::_1) | ||
| ) | ||
| .second; | ||
| } | ||
|
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| auto get_function(std::string const& name) -> Function* { | ||
| if (auto const func_iter = m_map.find(name); func_iter != m_map.end()) { | ||
| return &func_iter->second; | ||
| } | ||
| return nullptr; | ||
| } | ||
|
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| private: | ||
| FunctionManager() = default; | ||
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| ~FunctionManager() = default; | ||
|
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| FunctionMap m_map; | ||
| }; |
There was a problem hiding this comment.
Ensure thread safety in FunctionManager
The FunctionManager class is a singleton that manages function registration and retrieval using the m_map member. Currently, there is no synchronization mechanism to protect m_map from concurrent access, which can lead to data races and undefined behaviour in a multithreaded environment.
Introduce a mutex to synchronize access to m_map. Apply the following changes:
+#include <mutex>
class FunctionManager {
public:
// ... existing code ...
+ template <class F>
+ auto register_function(std::string const& name, F f) -> bool {
+ std::lock_guard<std::mutex> lock(m_mutex);
return m_map
.emplace(
name,
std::bind(&FunctionInvoker<F>::apply, std::move(f), std::placeholders::_1)
)
.second;
}
auto get_function(std::string const& name) -> Function* {
+ std::lock_guard<std::mutex> lock(m_mutex);
if (auto const func_iter = m_map.find(name); func_iter != m_map.end()) {
return &func_iter->second;
}
return nullptr;
}
private:
+ std::mutex m_mutex;
FunctionMap m_map;
};📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| class FunctionManager { | |
| public: | |
| FunctionManager(FunctionManager const&) = delete; | |
| auto operator=(FunctionManager const&) -> FunctionManager& = delete; | |
| FunctionManager(FunctionManager&&) = delete; | |
| auto operator=(FunctionManager&&) -> FunctionManager& = delete; | |
| static auto get_instance() -> FunctionManager& { | |
| static FunctionManager instance; | |
| return instance; | |
| } | |
| template <class F> | |
| auto register_function(std::string const& name, F f) -> bool { | |
| return m_map | |
| .emplace( | |
| name, | |
| std::bind(&FunctionInvoker<F>::apply, std::move(f), std::placeholders::_1) | |
| ) | |
| .second; | |
| } | |
| auto get_function(std::string const& name) -> Function* { | |
| if (auto const func_iter = m_map.find(name); func_iter != m_map.end()) { | |
| return &func_iter->second; | |
| } | |
| return nullptr; | |
| } | |
| private: | |
| FunctionManager() = default; | |
| ~FunctionManager() = default; | |
| FunctionMap m_map; | |
| }; | |
| #include <mutex> | |
| class FunctionManager { | |
| public: | |
| FunctionManager(FunctionManager const&) = delete; | |
| auto operator=(FunctionManager const&) -> FunctionManager& = delete; | |
| FunctionManager(FunctionManager&&) = delete; | |
| auto operator=(FunctionManager&&) -> FunctionManager& = delete; | |
| static auto get_instance() -> FunctionManager& { | |
| static FunctionManager instance; | |
| return instance; | |
| } | |
| template <class F> | |
| auto register_function(std::string const& name, F f) -> bool { | |
| std::lock_guard<std::mutex> lock(m_mutex); | |
| return m_map | |
| .emplace( | |
| name, | |
| std::bind(&FunctionInvoker<F>::apply, std::move(f), std::placeholders::_1) | |
| ) | |
| .second; | |
| } | |
| auto get_function(std::string const& name) -> Function* { | |
| std::lock_guard<std::mutex> lock(m_mutex); | |
| if (auto const func_iter = m_map.find(name); func_iter != m_map.end()) { | |
| return &func_iter->second; | |
| } | |
| return nullptr; | |
| } | |
| private: | |
| FunctionManager() = default; | |
| ~FunctionManager() = default; | |
| std::mutex m_mutex; | |
| FunctionMap m_map; | |
| }; |
| inline auto buffer_get_error(msgpack::sbuffer const& buffer | ||
| ) -> std::optional<std::tuple<FunctionInvokeError, std::string>> { | ||
| // NOLINTBEGIN(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | ||
| try { | ||
| msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size()); | ||
| msgpack::object const object = handle.get(); | ||
|
|
||
| if (msgpack::type::MAP != object.type || 2 != object.via.map.size) { | ||
| return std::nullopt; | ||
| } | ||
|
|
||
| if ("err" != object.via.map.ptr[0].key.as<std::string>()) { | ||
| return std::nullopt; | ||
| } | ||
| FunctionInvokeError const err{object.via.map.ptr[0].val.as<std::uint8_t>()}; | ||
|
|
||
| if ("msg" != object.via.map.ptr[1].key.as<std::string>()) { | ||
| return std::nullopt; | ||
| } | ||
| std::string const message{object.via.map.ptr[1].val.as<std::string>()}; | ||
|
|
||
| return std::make_tuple(err, message); | ||
| } catch (msgpack::type_error& e) { | ||
| return std::nullopt; | ||
| } | ||
| // NOLINTEND(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) |
There was a problem hiding this comment.
Fix incorrect assumption of map entry order in buffer_get_error
The function buffer_get_error assumes that the entries in the unpacked map are ordered, accessing object.via.map.ptr[0] for the "err" key and object.via.map.ptr[1] for the "msg" key. However, in MessagePack, maps are unordered, and the order of entries is not guaranteed. This could lead to incorrect parsing of error information if the entries are not in the expected order.
Apply the following diff to correctly extract the "err" and "msg" entries regardless of their order:
try {
msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size());
msgpack::object const object = handle.get();
- if (msgpack::type::MAP != object.type || 2 != object.via.map.size) {
+ if (msgpack::type::MAP != object.type) {
return std::nullopt;
}
- if ("err" != object.via.map.ptr[0].key.as<std::string>()) {
- return std::nullopt;
- }
- FunctionInvokeError const err{object.via.map.ptr[0].val.as<std::uint8_t>()};
- if ("msg" != object.via.map.ptr[1].key.as<std::string>()) {
- return std::nullopt;
- }
- std::string const message{object.via.map.ptr[1].val.as<std::string>()};
+ std::optional<FunctionInvokeError> err;
+ std::optional<std::string> message;
+ for (uint32_t i = 0; i < object.via.map.size; ++i) {
+ const msgpack::object_kv& kv = object.via.map.ptr[i];
+ std::string key = kv.key.as<std::string>();
+ if (key == "err") {
+ err = kv.val.as<FunctionInvokeError>();
+ } else if (key == "msg") {
+ message = kv.val.as<std::string>();
+ }
+ }
+ if (!err || !message) {
+ return std::nullopt;
+ }
return std::make_tuple(*err, *message);📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| inline auto buffer_get_error(msgpack::sbuffer const& buffer | |
| ) -> std::optional<std::tuple<FunctionInvokeError, std::string>> { | |
| // NOLINTBEGIN(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| try { | |
| msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size()); | |
| msgpack::object const object = handle.get(); | |
| if (msgpack::type::MAP != object.type || 2 != object.via.map.size) { | |
| return std::nullopt; | |
| } | |
| if ("err" != object.via.map.ptr[0].key.as<std::string>()) { | |
| return std::nullopt; | |
| } | |
| FunctionInvokeError const err{object.via.map.ptr[0].val.as<std::uint8_t>()}; | |
| if ("msg" != object.via.map.ptr[1].key.as<std::string>()) { | |
| return std::nullopt; | |
| } | |
| std::string const message{object.via.map.ptr[1].val.as<std::string>()}; | |
| return std::make_tuple(err, message); | |
| } catch (msgpack::type_error& e) { | |
| return std::nullopt; | |
| } | |
| // NOLINTEND(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| inline auto buffer_get_error(msgpack::sbuffer const& buffer | |
| ) -> std::optional<std::tuple<FunctionInvokeError, std::string>> { | |
| // NOLINTBEGIN(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| try { | |
| msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size()); | |
| msgpack::object const object = handle.get(); | |
| if (msgpack::type::MAP != object.type) { | |
| return std::nullopt; | |
| } | |
| std::optional<FunctionInvokeError> err; | |
| std::optional<std::string> message; | |
| for (uint32_t i = 0; i < object.via.map.size; ++i) { | |
| const msgpack::object_kv& kv = object.via.map.ptr[i]; | |
| std::string key = kv.key.as<std::string>(); | |
| if (key == "err") { | |
| err = kv.val.as<FunctionInvokeError>(); | |
| } else if (key == "msg") { | |
| message = kv.val.as<std::string>(); | |
| } | |
| } | |
| if (!err || !message) { | |
| return std::nullopt; | |
| } | |
| return std::make_tuple(*err, *message); | |
| } catch (msgpack::type_error& e) { | |
| return std::nullopt; | |
| } | |
| // NOLINTEND(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) |
| static auto apply(F const& function, ArgsBuffer const& args_buffer) -> ResultBuffer { | ||
| // NOLINTBEGIN(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | ||
| using ArgsTuple = signature<F>::args_t; | ||
| using ReturnType = signature<F>::ret_t; | ||
|
|
||
| ArgsTuple args_tuple{}; | ||
| try { | ||
| msgpack::object_handle const handle | ||
| = msgpack::unpack(args_buffer.data(), args_buffer.size()); | ||
| msgpack::object const object = handle.get(); | ||
|
|
||
| if (msgpack::type::ARRAY != object.type) { | ||
| return generate_error( | ||
| FunctionInvokeError::ArgumentParsingError, | ||
| fmt::format("Cannot parse arguments.") | ||
| ); | ||
| } | ||
|
|
||
| if (std::tuple_size_v<ArgsTuple> != object.via.array.size) { | ||
| return generate_error( | ||
| FunctionInvokeError::WrongNumberOfArguments, | ||
| fmt::format( | ||
| "Wrong number of arguments. Expect {}. Get {}.", | ||
| std::tuple_size_v<ArgsTuple>, | ||
| object.via.array.size | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| for_n<std::tuple_size_v<ArgsTuple>>([&](auto i) { | ||
| msgpack::object arg = object.via.array.ptr[i.cValue]; | ||
| std::get<i.cValue>(args_tuple) | ||
| = arg.as<std::tuple_element_t<i.cValue, ArgsTuple>>(); | ||
| }); | ||
| } catch (msgpack::type_error& e) { | ||
| return generate_error( | ||
| FunctionInvokeError::ArgumentParsingError, | ||
| fmt::format("Cannot parse arguments.") | ||
| ); | ||
| } | ||
|
|
||
| try { | ||
| ReturnType result = std::apply(function, args_tuple); | ||
| msgpack::sbuffer result_buffer; | ||
| msgpack::pack(result_buffer, result); | ||
| return result_buffer; | ||
| } catch (msgpack::type_error& e) { | ||
| return generate_error( | ||
| FunctionInvokeError::ResultParsingError, | ||
| fmt::format("Cannot parse result.") | ||
| ); | ||
| } | ||
| // NOLINTEND(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | ||
| } |
There was a problem hiding this comment.
Handle exceptions thrown by user functions in FunctionInvoker::apply
In FunctionInvoker::apply, if the user-provided function function throws an exception during execution, it is not caught within the method. This can lead to unhandled exceptions and potentially crash the application.
Wrap the function call in a try-catch block to handle any exceptions thrown by the user function. Update the code as follows:
try {
ReturnType result = std::apply(function, args_tuple);
msgpack::sbuffer result_buffer;
msgpack::pack(result_buffer, result);
return result_buffer;
- } catch (msgpack::type_error& e) {
+ } catch (const std::exception& e) {
return generate_error(
FunctionInvokeError::ResultParsingError,
- fmt::format("Cannot parse result.")
+ fmt::format("Function execution threw an exception: {}", e.what())
);
+ } catch (...) {
+ return generate_error(
+ FunctionInvokeError::ResultParsingError,
+ "Function execution threw an unknown exception."
+ );
}This ensures that any exceptions thrown by the user function are appropriately handled and translated into a structured error message.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| static auto apply(F const& function, ArgsBuffer const& args_buffer) -> ResultBuffer { | |
| // NOLINTBEGIN(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| using ArgsTuple = signature<F>::args_t; | |
| using ReturnType = signature<F>::ret_t; | |
| ArgsTuple args_tuple{}; | |
| try { | |
| msgpack::object_handle const handle | |
| = msgpack::unpack(args_buffer.data(), args_buffer.size()); | |
| msgpack::object const object = handle.get(); | |
| if (msgpack::type::ARRAY != object.type) { | |
| return generate_error( | |
| FunctionInvokeError::ArgumentParsingError, | |
| fmt::format("Cannot parse arguments.") | |
| ); | |
| } | |
| if (std::tuple_size_v<ArgsTuple> != object.via.array.size) { | |
| return generate_error( | |
| FunctionInvokeError::WrongNumberOfArguments, | |
| fmt::format( | |
| "Wrong number of arguments. Expect {}. Get {}.", | |
| std::tuple_size_v<ArgsTuple>, | |
| object.via.array.size | |
| ) | |
| ); | |
| } | |
| for_n<std::tuple_size_v<ArgsTuple>>([&](auto i) { | |
| msgpack::object arg = object.via.array.ptr[i.cValue]; | |
| std::get<i.cValue>(args_tuple) | |
| = arg.as<std::tuple_element_t<i.cValue, ArgsTuple>>(); | |
| }); | |
| } catch (msgpack::type_error& e) { | |
| return generate_error( | |
| FunctionInvokeError::ArgumentParsingError, | |
| fmt::format("Cannot parse arguments.") | |
| ); | |
| } | |
| try { | |
| ReturnType result = std::apply(function, args_tuple); | |
| msgpack::sbuffer result_buffer; | |
| msgpack::pack(result_buffer, result); | |
| return result_buffer; | |
| } catch (msgpack::type_error& e) { | |
| return generate_error( | |
| FunctionInvokeError::ResultParsingError, | |
| fmt::format("Cannot parse result.") | |
| ); | |
| } | |
| // NOLINTEND(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| } | |
| static auto apply(F const& function, ArgsBuffer const& args_buffer) -> ResultBuffer { | |
| // NOLINTBEGIN(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| using ArgsTuple = signature<F>::args_t; | |
| using ReturnType = signature<F>::ret_t; | |
| ArgsTuple args_tuple{}; | |
| try { | |
| msgpack::object_handle const handle | |
| = msgpack::unpack(args_buffer.data(), args_buffer.size()); | |
| msgpack::object const object = handle.get(); | |
| if (msgpack::type::ARRAY != object.type) { | |
| return generate_error( | |
| FunctionInvokeError::ArgumentParsingError, | |
| fmt::format("Cannot parse arguments.") | |
| ); | |
| } | |
| if (std::tuple_size_v<ArgsTuple> != object.via.array.size) { | |
| return generate_error( | |
| FunctionInvokeError::WrongNumberOfArguments, | |
| fmt::format( | |
| "Wrong number of arguments. Expect {}. Get {}.", | |
| std::tuple_size_v<ArgsTuple>, | |
| object.via.array.size | |
| ) | |
| ); | |
| } | |
| for_n<std::tuple_size_v<ArgsTuple>>([&](auto i) { | |
| msgpack::object arg = object.via.array.ptr[i.cValue]; | |
| std::get<i.cValue>(args_tuple) | |
| = arg.as<std::tuple_element_t<i.cValue, ArgsTuple>>(); | |
| }); | |
| } catch (msgpack::type_error& e) { | |
| return generate_error( | |
| FunctionInvokeError::ArgumentParsingError, | |
| fmt::format("Cannot parse arguments.") | |
| ); | |
| } | |
| try { | |
| ReturnType result = std::apply(function, args_tuple); | |
| msgpack::sbuffer result_buffer; | |
| msgpack::pack(result_buffer, result); | |
| return result_buffer; | |
| } catch (const std::exception& e) { | |
| return generate_error( | |
| FunctionInvokeError::ResultParsingError, | |
| fmt::format("Function execution threw an exception: {}", e.what()) | |
| ); | |
| } catch (...) { | |
| return generate_error( | |
| FunctionInvokeError::ResultParsingError, | |
| "Function execution threw an unknown exception." | |
| ); | |
| } | |
| // NOLINTEND(cppcoreguidelines-pro-type-union-access,cppcoreguidelines-pro-bounds-pointer-arithmetic) | |
| } |
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Actionable comments posted: 1
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (2)
CMakeLists.txt(1 hunks)src/spider/worker/FunctionManager.hpp(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- src/spider/worker/FunctionManager.hpp
🔇 Additional comments (1)
CMakeLists.txt (1)
138-138: Verify the msgpack-cxx version requirement
The version requirement of 7.0.0 should be verified to ensure it's the minimum version needed for the project's requirements.
Run the following script to check the version compatibility:
✅ Verification successful
Let me analyze the usage of msgpack-cxx in the codebase to verify if version 7.0.0 is justified.
Version 7.0.0 requirement appears to be appropriate
The codebase makes extensive use of modern msgpack-cxx features including:
- Advanced type conversion and adaptor patterns
- Template-based serialization
- Modern buffer handling with
sbuffer - Exception handling with
msgpack::type_error - Map and array type support with strict type checking
Version 7.0.0 was a major release that stabilized these features. The project's installation scripts and CMake configuration consistently reference this version, suggesting it was deliberately chosen to ensure reliability of these core functionalities.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check msgpack-cxx version compatibility and usage
# Check for version requirements in the codebase
rg -g '!{build,submodules}/*' -A 3 'msgpack'
# Check for specific features used from msgpack-cxx
ast-grep --pattern 'MSGPACK_DEFINE_MAP($$$)'
Length of output: 11719
Script:
#!/bin/bash
# Check for msgpack version-specific features
rg -g '!{build,submodules}/*' 'MSGPACK_[A-Z_]+[0-9]'
# Check the installation script to see if there's any version-specific comments
cat tools/scripts/lib_install/msgpack.sh
# Look for any version-related comments in the code
rg -g '!{build,submodules}/*' -B 2 -A 2 'msgpack.*version'
Length of output: 2989
| # Find and setup msgpack | ||
| if(SPIDER_USE_STATIC_LIBS) | ||
| set(msgpack-cxx_USE_STATIC_LIBS ON) | ||
| endif() | ||
| find_package(msgpack-cxx 7.0.0 REQUIRED) | ||
| if(msgpack-cxx_FOUND) | ||
| message(STATUS "Found msgpack-cxx ${msgpack-cxx_VERSION}") | ||
| else() | ||
| message(FATAL_ERROR "Could not find msgpack-cxx") | ||
| endif() |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Improve error handling consistency with other dependencies
The error handling for msgpack-cxx should follow the same pattern as other dependencies in the file, particularly for static/shared library scenarios.
Apply this diff to improve the error handling:
# Find and setup msgpack
if(SPIDER_USE_STATIC_LIBS)
set(msgpack-cxx_USE_STATIC_LIBS ON)
endif()
find_package(msgpack-cxx 7.0.0 REQUIRED)
if(msgpack-cxx_FOUND)
message(STATUS "Found msgpack-cxx ${msgpack-cxx_VERSION}")
else()
- message(FATAL_ERROR "Could not find msgpack-cxx")
+ if(SPIDER_USE_STATIC_LIBS)
+ message(FATAL_ERROR "Could not find static libraries for msgpack-cxx")
+ else()
+ message(FATAL_ERROR "Could not find ${SPIDER_LIBS_STRING} libraries for msgpack-cxx")
+ endif()
endif()Committable suggestion skipped: line range outside the PR's diff.
There was a problem hiding this comment.
Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (3)
src/spider/worker/FunctionManager.hpp (3)
20-22: Consider improving macro safety and scopeThe
REGISTER_TASKmacro could benefit from these improvements:
- Add a unique prefix to avoid naming conflicts
- Add include guards to prevent redefinition
-#define REGISTER_TASK(func) \ +#ifndef SPIDER_REGISTER_TASK +#define SPIDER_REGISTER_TASK(func) \ spider::core::FunctionManager::get_instance().register_function(#func, func); +#endif
23-82: Add documentation for type definitions and utilitiesConsider adding documentation for:
- Purpose and usage of
signaturetemplate- Explanation of
IsDataTtype trait- Description of
for_nutility- Documentation for each
FunctionInvokeErrorvalue
241-246: Consider returning std::optional instead of raw pointerThe
get_functionmethod returns a raw pointer which could be null. Usingstd::optionalwould make the API safer and more explicit.- auto get_function(std::string const& name) -> Function* { + auto get_function(std::string const& name) -> std::optional<std::reference_wrapper<Function>> { if (auto const func_iter = m_map.find(name); func_iter != m_map.end()) { - return &func_iter->second; + return std::ref(func_iter->second); } - return nullptr; + return std::nullopt; }
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (1)
src/spider/worker/FunctionManager.hpp(1 hunks)
🔇 Additional comments (1)
src/spider/worker/FunctionManager.hpp (1)
1-19: LGTM! Well-organized includes and proper header guards.
The includes are properly organized and all necessary headers are present. The use of abseil's flat_hash_map is a good choice for performance.
| } catch (std::exception& e) { | ||
| return generate_error( | ||
| FunctionInvokeError::FunctionExecutionError, | ||
| "Function execution error" | ||
| ); | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Enhance error message for function execution errors
Include the actual error message from the exception to aid in debugging.
} catch (std::exception& e) {
return generate_error(
FunctionInvokeError::FunctionExecutionError,
- "Function execution error"
+ fmt::format("Function execution error: {}", e.what())
);
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| } catch (std::exception& e) { | |
| return generate_error( | |
| FunctionInvokeError::FunctionExecutionError, | |
| "Function execution error" | |
| ); | |
| } | |
| } catch (std::exception& e) { | |
| return generate_error( | |
| FunctionInvokeError::FunctionExecutionError, | |
| fmt::format("Function execution error: {}", e.what()) | |
| ); | |
| } |
| template <class T> | ||
| auto buffer_get(msgpack::sbuffer const& buffer) -> std::optional<T> { | ||
| msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size()); | ||
| msgpack::object object = handle.get(); | ||
| T t; | ||
| object.convert(t); | ||
| return t; | ||
| } |
There was a problem hiding this comment.
Improve error handling in buffer_get
The buffer_get function should catch potential exceptions during conversion.
template <class T>
auto buffer_get(msgpack::sbuffer const& buffer) -> std::optional<T> {
+ try {
msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size());
msgpack::object object = handle.get();
T t;
object.convert(t);
return t;
+ } catch (const std::exception&) {
+ return std::nullopt;
+ }
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| template <class T> | |
| auto buffer_get(msgpack::sbuffer const& buffer) -> std::optional<T> { | |
| msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size()); | |
| msgpack::object object = handle.get(); | |
| T t; | |
| object.convert(t); | |
| return t; | |
| } | |
| template <class T> | |
| auto buffer_get(msgpack::sbuffer const& buffer) -> std::optional<T> { | |
| try { | |
| msgpack::object_handle const handle = msgpack::unpack(buffer.data(), buffer.size()); | |
| msgpack::object object = handle.get(); | |
| T t; | |
| object.convert(t); | |
| return t; | |
| } catch (const std::exception&) { | |
| return std::nullopt; | |
| } | |
| } |
1 participant
Description
Spider represents a task by the name of functions registered.
FunctionManagersupports register functions of arbitrary type by function name and retrieve and run them by name later.For now
FunctionManageris added inspider::corenamespace. Some of its features should be moved tospidernamespace when the interface is ready.Validation performed
Summary by CodeRabbit
New Features
msgpack-cxxlibrary, enhancing serialization capabilities.Dataclass with improved initialization and serialization features.MsgPackheader to facilitate MessagePack functionalities.Bug Fixes
Tests
FunctionManagerclass to validate function registration and execution.Chores
msgpack-cxxlibrary for both Linux and macOS.