1 files changed, 61 insertions, 0 deletions
diff --git a/src/guprecords.raku b/src/guprecords.raku
new file mode 100644
index 0000000..f0fade2
--- /dev/null
+++ b/src/guprecords.raku
@@ -0,0 +1,61 @@
+#!/usr/bin/env raku
+
+use v6.d;
+
+class Aggregate {
+  has Int $.total-uptime = 0;
+  has Int $.first-boot;
+  has Int $.last-seen;
+
+  method aggregate(Str :$uptime is readonly, Str :$boot-time is readonly) {
+      $!total-uptime += $uptime;
+      $!first-boot = +$boot-time if not defined $!first-boot
+                                 or $!first-boot > +$boot-time;
+      my Int $last-seen = $uptime + $boot-time;
+      $!last-seen = $last-seen if not defined $!last-seen
+                               or $!last-seen < $last-seen;
+  }
+
+  method total-downtime { $.last-seen - $.first-boot - $.total-uptime }
+  method total-time { self.total-downtime + $.total-uptime }
+}
+
+class Aggregator {
+  has %.aggregates = { hostname => {}, os => {}, os-kernel => {} }
+
+  method aggregate(IO::Path :$file is readonly) {
+    my Str $hostname = $file.IO.basename.split('.').first;
+    %!aggregates<hostname>{$hostname} //= Aggregate.new;
+
+    for $file.IO.lines {
+      my Str ($uptime, $boot-time, $os) = .trim.split(':');
+      my Str $os-kernel = $os.split(' ').first;
+
+      %!aggregates<os>{$os} //= Aggregate.new;
+      %!aggregates<os-kernel>{$os-kernel} //= Aggregate.new;
+
+      for %!aggregates.values.flatmap( { .values } ) {
+        .aggregate(:$uptime, :$boot-time);
+      }
+    }
+  }
+}
+
+
+
+sub MAIN(
+  Str $in-dir = './stats',
+) {
+  my Aggregator $aggregator .= new;
+
+  for dir($in-dir, test => { /\.records$/ }) -> $file {
+    $aggregator.aggregate(:$file)
+  }
+
+  for $aggregator.aggregates.kv -> $category, $aggregates {
+    say "Categoty $category";
+    for $aggregates.kv -> $name, $aggregate {
+      say "\t$name $aggregate";
+    }
+  }
+}