Module: Loopy

Defined in:
lib/loopy.rb,
lib/loopy/version.rb

Constant Summary collapse

VERSION =
"0.1.1"

Class Method Summary collapse

Class Method Details

.run(method_name, delay_in_seconds) ⇒ Object



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
# File 'lib/loopy.rb', line 4

def self.run(method_name, delay_in_seconds)
  log "Starting loopy: #{method_name}"

  exiting = false

  trap('TERM') { 
    log "Exiting... (#{method_name})"; 
    exiting = true 
  }

  trap('INT'){ 
    log "Exiting... (#{method_name})"; 
    exiting = true 
  }

  trap('QUIT'){ 
    log "Exiting... (#{method_name})"; 
    exiting = true 
  }

  loop do
    finish_time = Time.now + delay_in_seconds

    begin
      log "Executing #{method_name}"
      yield
    rescue => e
      log "Exception caught by loopy (#{method_name}): #{e.inspect}"
      log e.backtrace.join("\n")
    end

    if finish_time > Time.now
      log "Sleeping till #{finish_time}"
    else
      log "Oh dear, #{method_name} overran"
    end

    while finish_time > Time.now
      sleep(0.100)
      break if exiting
    end

    break if exiting
  end

  log "Finished loopy: #{method_name}"
end