lib/cameraSocket.rb~

   1 #!/usr/bin/env ruby -I c://Users/iwasaki/gem/sinatra-master/lib -I lib
   2
   3 $:.unshift(File.dirname(__FILE__))
   4
   5 require 'em-websocket'
   6 require 'json'
   7 require 'benchmark'
   8 require 'serialCamera'
   9
  10 class CameraSocket
  11         def initialize(ip, port)
  12                 @ip = ip
  13                 @port = port
  14                 @camera = SerialCamera.instance
  15                 @buf = {"type"=>nil, "data"=>nil}
  16                 @count = 0
  17                 @start_time = 0
  18         end
  19
  20         def run!
  21                 EM::WebSocket.start(host: @ip, port: @port) do |ws|
  22
  23                         ws.onopen do
  24                                 puts "ws open"
  25                                 @buf["type"] = "connection"
  26                                 @buf["data"] = "open"
  27                                 @camera.on_flag
  28                                 ws.send(@buf.to_json)
  29                         end
  30
  31                         ws.onmessage do |msg|
  32                                 rec_buf = JSON.parse(msg)
  33                                 if(rec_buf["type"]=="req")
  34                                         if(rec_buf["data"]=="img")
  35                                                 @buf["type"] = "img"
  36                                                 @camera.unlock_acq
  37                                                 @buf["data"] = @camera.get_image
  38                                                 @buf["count"] = @count
  39                                                 ws.send(@buf.to_json)
  40                                                 @count = @count + 1
  41                                         end
  42                                 end
  43                         end
  44
  45                         ws.onclose do
  46                                 @camera.off_flag
  47                         end
  48
  49                 end
  50         end
  51 end