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karafka/karafka

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lib/karafka/swarm/pidfd.rb

Summary

Maintainability
A
2 hrs
Test Coverage

Method alive? has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
Open

      def alive?
        @pidfd_select ||= [@pidfd_io]

        if @mutex.owned?
          return false if @cleaned
Severity: Minor
Found in lib/karafka/swarm/pidfd.rb - About 45 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method supported? has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
Open

        def supported?
          # If we were not even able to load the FFI C lib, it won't be supported
          return false unless API_SUPPORTED
          # Won't work on macOS because it does not support pidfd
          return false if RUBY_DESCRIPTION.include?('darwin')
Severity: Minor
Found in lib/karafka/swarm/pidfd.rb - About 45 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method signal has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

      def signal(sig_name)
        @mutex.synchronize do
          return false if @cleaned
          # Never signal processes that are dead
          return false unless alive?
Severity: Minor
Found in lib/karafka/swarm/pidfd.rb - About 35 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

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