From 3e8395b6d891c77d9c71d60b65d99861dc062f73 Mon Sep 17 00:00:00 2001
From: Nat Lasseter <Nat Lasseter nathan@bytemark.co.uk>
Date: Tue, 10 Apr 2018 16:42:30 +0100
Subject: Initial Commit

---
 xml2json.rb | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 xml2json.rb

(limited to 'xml2json.rb')

diff --git a/xml2json.rb b/xml2json.rb
new file mode 100644
index 0000000..aa1508d
--- /dev/null
+++ b/xml2json.rb
@@ -0,0 +1,51 @@
+require 'nokogiri'
+require 'json'
+
+FN = ARGV.shift.chomp
+
+doc = File.open("#{FN}.xml") { |f| Nokogiri::XML(f) }
+
+tstart = doc.css("xport>meta>start").text.to_i
+tstep = doc.css("xport>meta>step").text.to_i
+
+rcvd = []
+rmax = 0
+sent = []
+smax = 0
+
+doc.css("xport>data>row").each do |row|
+  t = (row.css("t").text.to_i - tstart) / tstep
+  r = row.css("v")[0].text.to_f
+  s = row.css("v")[1].text.to_f
+
+  rmax = r if r > rmax
+  smax = s if s > smax
+
+  rcvd << { t: t, v: r }
+  sent << { t: t, v: s }
+end
+
+rmax *= 1.10
+smax *= 1.10
+
+rcvd.each do |r|
+  r[:v] /= rmax
+end
+
+sent.each do |s|
+  s[:v] /= smax
+end
+
+File.open("#{FN}.rcvd.json", "w") do |f|
+  f.puts({
+    max: rmax,
+    data: rcvd
+  }.to_json)
+end
+
+File.open("#{FN}.sent.json", "w") do |f|
+  f.puts({
+    max: smax,
+    data: sent
+  }.to_json)
+end
-- 
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