Class: DEVp2p::BaseService

Inherits:
Object
  • Object
show all
Extended by:
Configurable
Includes:
Celluloid, Control
Defined in:
lib/devp2p/base_service.rb

Overview

Service instances are added to the application under app.services.<service_name>.

App should be passed to the service in order to query other services.

Services must be an actor. If a service spawns additional services, it's responsible to stop them.

Direct Known Subclasses

Discovery::Transport, WiredService

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Configurable

add_config

Methods included from Control

#initialize_control, #killed?, #run, #start, #stop, #stopped?

Constructor Details

#initialize(app) ⇒ BaseService

Returns a new instance of BaseService.



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# File 'lib/devp2p/base_service.rb', line 37

def initialize(app)
  @app = app
  @config = Utils.update_config_with_defaults app.config, default_config

  initialize_control

  available_services = app.services.each_value.map(&:class)
  required_services.each do |r|
    raise MissingRequiredServiceError, "require service #{r}" unless available_services.include?(r)
  end
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/devp2p/base_service.rb', line 35

def app
  @app
end

Class Method Details

.register_with_app(app) ⇒ Object

Services know best how to initiate themselves. Create a service instance, probably based on app.config and app.services.



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# File 'lib/devp2p/base_service.rb', line 30

def register_with_app(app)
  app.register_service self, app
end

Instance Method Details

#to_s ⇒ Object Also known as: inspect 



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# File 'lib/devp2p/base_service.rb', line 49

def to_s
  "<Service #{name}##{object_id}>"
end