Class: CursesProcessController

Inherits:
ShellProcessController show all
Defined in:
lib/curses_process_controller.rb

Instance Method Summary collapse

Methods inherited from ShellProcessController

#info, #run_process

Methods inherited from BasicProcessController

#info, #run_process, #time_running

Constructor Details

#initialize(size, script, logdir) ⇒ CursesProcessController

Returns a new instance of CursesProcessController.



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# File 'lib/curses_process_controller.rb', line 6

def initialize(size, script, logdir)
  super(script, logdir)
  @finishing = false
  @finished = false
  @size = size
  @msg = ""
  @last_stats = {}
  init_window
end

Instance Method Details

#delay ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 69

def delay
  return 0.1
end

#draw_window ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 101

def draw_window
   @win.clear
   @win.attron(Curses.color_pair(1)|Curses::A_NORMAL) {
     @win.box('|', '-')
   }
   
end

#finished ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 109

def finished
  info "finished"
  Curses.close_screen 

  puts ""
  puts "Time     #{time_running}"
  puts "Size     #{@size}"
  puts "Running  #{@last_stats[:active_processes]}"
  puts "Started  #{@last_stats[:processes_started]}"
  puts "Ended    #{@last_stats[:processes_ended]}"
  puts "Errors   #{@last_stats[:errors]}"
  puts "Logs     #{@logdir}"
  puts "         #{@msg}"
  puts ""

  exit(0)
end

#init_window ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 74

def init_window

info "init_window"

Curses.init_screen
Curses.start_color
Curses.init_pair(1, Curses::COLOR_BLUE, Curses::COLOR_BLACK) 
Curses.init_pair(2, Curses::COLOR_RED, Curses::COLOR_BLACK) 
Curses.init_pair(3, Curses::COLOR_WHITE, Curses::COLOR_BLACK) 

#Curses.noecho
#Curses.cbreak
#Curses.nonl 
#Curses.curs_set(0)

lines = Curses.lines
cols = Curses.cols

height = 12
width = 70

@win = Curses::Window.new(height, width, 2, 2)
#@win.keypad = true
#@win.nodelay = true

draw_window end

#num_processes ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 20

def num_processes
  return @size
end

#process_ended(pid, status) ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 28

def process_ended(pid, status)
  #draw_window
end

#process_keys ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 128

def process_keys 

   # Need to reset keyboard handling after a process
   # has been forked.
   Curses.noecho
   Curses.cbreak
   Curses.nonl 
   Curses.curs_set(0)
   @win.keypad = true
   @win.nodelay = true

  case @win.getch
  when '+', Curses::KEY_UP
    @size = @size + 1
  when '-', Curses::KEY_DOWN
    @size = @size - 1
    if @size < 0
      @size = 0
    end
  when 'q', 'Q'
    @size = 0
    @finishing = true
  when 'x', 'X'
    finished
  end
end

#process_started(pid, num_processes) ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 25

def process_started(pid, num_processes) 
end

#progress(stats) ⇒ Object 



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# File 'lib/curses_process_controller.rb', line 32

def progress(stats)

  @last_stats = stats

  draw_window

  @win.attron(Curses.color_pair(3)|Curses::A_BOLD) {
    @win.setpos(2 , 5)
    @win.addstr("Time      #{time_running}")
    @win.setpos(3 , 5)
    @win.addstr("Size      #{@size}")
    @win.setpos(4 , 5)
    @win.addstr("Running   #{stats[:active_processes]}")
    @win.setpos(5 , 5)
    @win.addstr("Started   #{stats[:processes_started]}")
    @win.setpos(6 , 5)
    @win.addstr("Ended     #{stats[:processes_ended]}")
    @win.setpos(7 , 5)
    @win.addstr("Errors    #{stats[:errors]}")
    @win.setpos(8 , 5)
    @win.addstr("Logs      #{@logdir}")
    @win.setpos(9 , 5)
    @win.addstr("          #{@msg}")
  }

  process_keys

  if @finishing
    info "finishing #{stats[:active_processes]}"
    if stats[:active_processes] == 0
      @finished = true
    end
  end
  @win.refresh

end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/curses_process_controller.rb', line 16

def running?
  return !@finished
end