Module: Skylight::Probes Private

Defined in:
lib/skylight/probes.rb,
lib/skylight/probes/tilt.rb,
lib/skylight/probes/excon.rb,
lib/skylight/probes/redis.rb,
lib/skylight/probes/sequel.rb,
lib/skylight/probes/sinatra.rb,
lib/skylight/probes/net_http.rb,
lib/skylight/probes/excon/middleware.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Defined Under Namespace

Modules: Excon, NetHTTP, Redis, Sequel, Sinatra, Tilt Classes: ProbeRegistration

Class Method Summary collapse

Class Method Details

.installed ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 22

def self.installed
  @installed ||= {}
end

.is_available?(klass_name) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/skylight/probes.rb', line 26

def self.is_available?(klass_name)
  !!Skylight::Util::Inflector.safe_constantize(klass_name)
end

.lookup_by_require_path(require_path) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 69

def self.lookup_by_require_path(require_path)
  require_hooks[require_path]
end

.register(*args) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 30

def self.register(*args)
  registration = ProbeRegistration.new(*args)

  if is_available?(registration.klass_name)
    installed[registration.klass_name] = registration
    registration.install
  else
    register_require_hook(registration)
  end
end

.register_require_hook(registration) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 57

def self.register_require_hook(registration)
  registration.require_paths.each do |p|
    require_hooks[p] = registration
  end
end

.require_hook(require_path) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 41

def self.require_hook(require_path)
  return unless Skylight.native?

  registration = lookup_by_require_path(require_path)
  return unless registration

  # Double check constant is available
  if is_available?(registration.klass_name)
    installed[registration.klass_name] = registration
    registration.install

    # Don't need this to be called again
    unregister_require_hook(registration)
  end
end

.require_hooks ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 18

def self.require_hooks
  @require_hooks ||= {}
end

.unregister_require_hook(registration) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/probes.rb', line 63

def self.unregister_require_hook(registration)
  registration.require_paths.each do |p|
    require_hooks.delete(p)
  end
end