l0gicpath · February 22, 2014 22:00
diff --git a/screensharing.rb b/screensharing.rb
 #! /usr/bin/env ruby
 require 'socket' # needed for creating tcp servers
 require 'base64' # we'll use base64 for encoding images and embedding them in the response
 require 'cgi' # has a lovely helper method for generating rfc1123 compliant dates for http headers

 refresh_rate = 1 # in seconds, interval between each screen capture
 server = TCPServer.open 3005 # start our server at port 3005

 # the html page template we'll be sending over to the browser
 page_tmpl = %Q[
 <html>
  <head>
    <script>
      setTimeout(function() {
          document.location.reload();
        }, #{refresh_rate * 1000});
    </script>
  </head>
  <body style="padding: 0px; margin: 0px">
    <img style="height: 100%%" src="data: image/png;base64,%s" />
  </body>
 </html>
 ]

 Thread.start do
  loop {
    system('screencapture -C -T 0.5 -r -x tmp.png') # we'll capture the screen in a separate thread
    sleep refresh_rate
  }
 end


 loop do
  connection = server.accept # accept a connection and spawn a thread to handle it
  Thread.start(connection) do |client|

    File.open('tmp.png', 'rb') do |image|
      response = page_tmpl % Base64.encode64(image.read)
      # send out http headers
      client.puts ["HTTP/1.1 200 OK",
                   "Date: #{CGI.rfc1123_date(Time.now)}",
                   "Server: Ruby",
                   "Content-Type: text/html",
                   "Content-Length: #{response.length}\r\n\r\n"].join("\r\n")
      client.puts response
      client.close
    end

  end
 end
	#! /usr/bin/env ruby
	require 'socket' # needed for creating tcp servers
	require 'base64' # we'll use base64 for encoding images and embedding them in the response
	require 'cgi' # has a lovely helper method for generating rfc1123 compliant dates for http headers

	refresh_rate = 1 # in seconds, interval between each screen capture
	server = TCPServer.open 3005 # start our server at port 3005

	# the html page template we'll be sending over to the browser
	page_tmpl = %Q[
	<html>
	<head>
	<script>
	setTimeout(function() {
	document.location.reload();
	}, #{refresh_rate * 1000});
	</script>
	</head>
	<body style="padding: 0px; margin: 0px">
	<img style="height: 100%%" src="data: image/png;base64,%s" />
	</body>
	</html>
	]

	Thread.start do
	loop {
	system('screencapture -C -T 0.5 -r -x tmp.png') # we'll capture the screen in a separate thread
	sleep refresh_rate
	}
	end


	loop do
	connection = server.accept # accept a connection and spawn a thread to handle it
	Thread.start(connection) do \|client\|

	File.open('tmp.png', 'rb') do \|image\|
	response = page_tmpl % Base64.encode64(image.read)
	# send out http headers
	client.puts ["HTTP/1.1 200 OK",
	"Date: #{CGI.rfc1123_date(Time.now)}",
	"Server: Ruby",
	"Content-Type: text/html",
	"Content-Length: #{response.length}\r\n\r\n"].join("\r\n")
	client.puts response
	client.close
	end

	end
	end