Class: DogCatcher

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

Constant Summary collapse

VERSION = 
"0.1"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DogCatcher

Returns a new instance of DogCatcher.



6
7
8
9
 
# File 'lib/dog_catcher.rb', line 6

def initialize
  @psx = `ps x`
  @lines = @psx.split(/\n/).collect{|l| DogCatcher.parse_line(l) }
end

Instance Attribute Details

#lines ⇒ Object

Returns the value of attribute lines.



4
5
6
 
# File 'lib/dog_catcher.rb', line 4

def lines
  @lines
end

Class Method Details

.guess_port(m) ⇒ Object 



32
33
34
35
 
# File 'lib/dog_catcher.rb', line 32

def self.guess_port( m )
  port_arg = m[:args].scan(/(-p\s\d*)/).first
  port_arg ? port_arg.first.split(" ").last : "3000"
end

.parse_line(string) ⇒ Object 



11
12
13
14
15
16
17
 
# File 'lib/dog_catcher.rb', line 11

def self.parse_line( string )
  arr = string.split(' ')
  { :pid    => arr[0].to_i,
    :prog   => arr[4],
    :args   => arr[5..arr.length-1].join(" ") 
  }
end

.stop_mongrel!(m) ⇒ Object 



19
20
21
22
 
# File 'lib/dog_catcher.rb', line 19

def self.stop_mongrel!( m )
  puts "Sending 'TERM' to mongrel running on #{m[:pid]}"
  Process.kill("TERM", m[:pid])
end

Instance Method Details

#running_mongrels ⇒ Object 



28
29
30
 
# File 'lib/dog_catcher.rb', line 28

def running_mongrels
  self.lines.select{|l| l[:args] =~ /mong/}
end

#running_rubies ⇒ Object 



24
25
26
 
# File 'lib/dog_catcher.rb', line 24

def running_rubies
  self.lines.select{|l| l[:prog] == "ruby" }
end

#stop_all_mongrels! ⇒ Object 



37
38
39
 
# File 'lib/dog_catcher.rb', line 37

def stop_all_mongrels!
  self.running_mongrels.each{|m| DogCatcher.stop_mongrel! m }
end