lib/request.rb

   1 $:.unshift(File.dirname(__FILE__))
   2
   3 require 'json'
   4 require '../vem/vem'
   5 require '../vem/mock'
   6 begin
   7 require '../vem/feicontrol'
   8 rescue LoadError
   9 end
  10 require '../tool/imageProc'
  11
  12 class Request
  13         include ImageProc
  14
  15         def initialize(command, params)
  16                 puts "create request"
  17                 @command = command
  18                 @params  = params
  19                 @result = nil
  20                 @mutex = Mutex.new
  21                 @cv = ConditionVariable.new
  22                 @complete = false
  23     @em = $em_name
  24         end
  25
  26         def execute
  27                 @vem = VEM.create(@em)
  28                 case @command
  29                 when "get"
  30                         @result = @vem.get_params
  31                 when "stagea"
  32                         @result = @vem.set_stageA(@params["x"].to_i, @params["y"].to_i, @params["z"].to_i, @params["a"].to_i)
  33                 when "stager"
  34                         @result = @vem.set_stageR(@params["x"].to_i, @params["y"].to_i, @params["z"].to_i, @params["a"].to_i)
  35                 when "acq_init"
  36                         @result = @vem.acquisition_init(@params["bng"].to_i, @params["exp"], @params["size"].to_i)
  37                 when "acq"
  38                         image = @vem.acquisition
  39                         converted_image = convert_256(image)
  40                         @result = converted_image.to_json
  41                 else
  42                         puts "else"
  43                 end
  44                 puts "execute end"
  45                 @complete = true
  46                 @cv.broadcast
  47         end
  48
  49         def get_result
  50                 @mutex.synchronize do
  51                         @cv.wait(@mutex) while (@complete == false)
  52                         puts "resturn result"
  53                         return @result
  54                 end
  55         end
  56 end