Class: AppMap::Command::Record

Inherits:
RecordStruct show all
Defined in:
lib/appmap/command/record.rb

Instance Attribute Summary

Attributes inherited from RecordStruct

#config, #program

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.detect_metadata ⇒ Object

Builds a Hash of metadata which can be detected by inspecting the system.



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# File 'lib/appmap/command/record.rb', line 8

def detect_metadata
  {
    language: {
      name: 'ruby',
      engine: RUBY_ENGINE,
      version: RUBY_VERSION
    },
    client: {
      name: 'appmap',
      url: AppMap::URL,
      version: AppMap::VERSION
    }
  }.tap do |m|
    if defined?(::Rails)
      m[:frameworks] ||= []
      m[:frameworks] << {
        name: 'rails',
        version: ::Rails.version
      }
    end
    m[:git] = git_metadata if git_available
  end
end

Instance Method Details

#perform(&block) ⇒ Object 



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# File 'lib/appmap/command/record.rb', line 63

def perform(&block)
  features = AppMap.inspect(config)
  functions = features.map(&:collect_functions).flatten

  require 'appmap/trace/tracer'

  tracer = AppMap::Trace.tracers.trace(functions)

  events = []
  quit = false
  event_thread = Thread.new do
    while tracer.event? || !quit
      event = tracer.next_event
      if event
        events << event.to_h
      else
        sleep 0.0001
      end
    end
  end
  event_thread.abort_on_exception = true

  at_exit do
    quit = true
    event_thread.join
    yield features, events
  end

  load program if program
end