Class: Metis::Application

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

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Application

Returns a new instance of Application.



2
3
4
 
# File 'lib/metis/application.rb', line 2

def initialize(opts={})
  @options = opts
end

Instance Method Details

#daemonize! ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/metis/application.rb', line 28

def daemonize!
  raise 'Need to set a pid_file in order to daemonize!' unless @options[:pid_file]

  fork do
    Process.setsid
    exit if fork
    File.umask 0000
    STDIN.reopen "/dev/null"
    STDOUT.reopen @options[:log_file], "a"
    STDERR.reopen STDOUT
    start
  end
end

#run ⇒ Object 



6
7
8
9
10
11
12
 
# File 'lib/metis/application.rb', line 6

def run
  if @options[:daemonize]
    daemonize!
  else
    start
  end
end

#start ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/metis/application.rb', line 14

def start
  # write pid file
  File.open(@options[:pid_file], 'w') { |f| f.write(Process.pid.to_s) } if @options[:pid_file]

  # load context
  context = Metis::Context.new(@options[:config_file])
  context.load

  # fire up server
  server = Metis::Server.new(context)
  server.start
  server.run
end