Class: GrafanaReporter::Application::Webservice

Inherits:
Object
  • Object
show all
Defined in:
lib/grafana_reporter/application/webservice.rb

Overview

This class provides the webservice for the reporter application. It does not make use of webrick or similar, so that it can be used without futher dependencies in conjunction with the standard asciidoctor docker container.

Constant Summary collapse

STATUS =

Array of possible webservice running states

%I[stopped running stopping].freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Webservice

Returns a new instance of Webservice.



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# File 'lib/grafana_reporter/application/webservice.rb', line 12

def initialize
  @reports = []
  @status = :stopped
end

Instance Method Details

#run(config) ⇒ Object

Runs the webservice with the given Configuration object.



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# File 'lib/grafana_reporter/application/webservice.rb', line 18

def run(config)
  @config = config
  @logger = config.logger

  # start webserver
  @server = TCPServer.new(@config.webserver_port)
  @logger.info("Server listening on port #{@config.webserver_port}...")

  @progress_reporter = Thread.new {}

  @status = :running
  begin
    accept_requests_loop
  rescue SystemExit, Interrupt
    @logger.info("Server shutting down.")
    stop!
    retry
  end
  @status = :stopped
end

#running? ⇒ Boolean

Returns True, if webservice is up and running, false otherwise.

Returns:

  • (Boolean) —

    True, if webservice is up and running, false otherwise



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# File 'lib/grafana_reporter/application/webservice.rb', line 45

def running?
  @status == :running
end

#stop! ⇒ Object

Forces stopping the webservice.



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# File 'lib/grafana_reporter/application/webservice.rb', line 50

def stop!
  @status = :stopping

  # invoke a new request, so that the webservice stops.
  socket = TCPSocket.new('localhost', @config.webserver_port)
  socket.send '', 0
  socket.close
end

#stopped? ⇒ Boolean

Returns True, if webservice is stopped, false otherwise.

Returns:

  • (Boolean) —

    True, if webservice is stopped, false otherwise



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# File 'lib/grafana_reporter/application/webservice.rb', line 40

def stopped?
  @status == :stopped
end