3hgraph.rb

# coding:utf-8

require "pp"
require "fileutils"
require 'pony'

now = Time.now
dir = File.join(ENV["HOME"],"gc10",now.strftime("%Y"),now.strftime("%m"))
file = File.join(dir,now.strftime("%d")+".txt")

lines = File.read(file).split("\n")
if lines.size < 3600*3
  now -= 3600*24
  dir = File.join(ENV["HOME"],"gc10",now.strftime("%Y"),now.strftime("%m"))
  file = File.join(dir,now.strftime("%d")+".txt")

  nlines = File.read(file).split("\n")
  lines = nlines + lines

  return if lines.size < 3600*3
end

cpms = lines[-3600*3..-1].map do |l| l.split("\t")[1]  end

datafile = "/tmp/data.txt"
File.open(datafile,"w") do |io|
  win = []
  (60*3).times do |i|
    m = cpms[i*60...(i+1)*60]
    total = m.inject(0) do |sum,i| sum + i.to_i end
    cpm = total/60.0
    win << cpm
    win.shift if win.size > 5
    wp = win.inject(0) do |sum,i| sum + i.to_i end
    wp /= win.size if wp != 0
    io.printf("%d\t%.2f\t%.2f\n",i-180,cpm,wp)
  end
end
pngdir = File.join(ENV["HOME"],"gc10","graph",
  now.strftime("%Y"),
  now.strftime("%m"),
  now.strftime("%d"))
png = File.join(pngdir,now.strftime("%H")+".png")
FileUtils.mkdir_p(pngdir)

title = "GC-10(SBM-20) Radiation #{Time.now}"

cmd = <<-EOS
set title "#{title}"
set xl "minutes"
set yl "cpm"
set yrange [0:50]
set style line 1
set grid
set terminal png
set out "#{png}"
plot "#{datafile}" u 1:2 title "cpm", "" u 1:3  w l lw 2 lc rgb "green" title "smoothed cpm (5minutes)"
EOS

cmdfile = "/tmp/cmd.txt"
File.open(cmdfile,"w") do |io| io.puts cmd end
`gnuplot #{cmdfile}`
FileUtils.rm_f(datafile)
FileUtils.rm_f(cmdfile)


Pony.mail({
  :to => 'mogemoge@blogger.com',
  :via => :smtp,
  :via_options => {
    :address              => 'smtp.gmail.com',
    :port                 => '587',
    :enable_starttls_auto => true,
    :user_name            => 'user',
    :password             => 'password',
    :authentication       => :plain, # :plain, :login, :cram_md5, no auth by default
    :domain               => "localhost.localdomain"
  },
  :subject => title,
  :body => title,
  :attachments => { File.basename(png) => File.read(png)}
})