Fnord Metric and C# Blog Post (http://goo.gl/F8MH5) -- Part 1

first-fnord.rb

## fnord.rb
require 'fnordmetric'
      
FnordMetric.namespace :my_first_fnord do    
      
  # numeric gauge, shown on a per-hour total
  gauge :logins_per_hour,
    :tick  => 1.hour.to_i,
    :title => 'Logins per Hour'
      
   event(:login) { incr(:logins_per_hour) }
      
   widget 'Web Logins', {
     :title            => 'Web App Logins Per Hour',
     :type             => :timeline,
     :gauges           => :logins_per_hour,
     :include_current  => true,
     :autoupdate       => 2 #update graph every 2 seconds
   }
end
      
FnordMetric.standalone

fnord-configuration.rb

## fnord.rb
      
# fnord namespace definition (as shown previously)
      
FnordMetric.server_configuration = {
  # point to external redis on non-standard port
  redis_url:          'redis://10.1.0.38:6380',
      
  # prefix on events pushed to redis
  redis_prefix:       'mavia-metrics',
      
  # port on which to accept event-pushes (we're not using this)
  inbound_stream:     ['0.0.0.0', '1339'],
      
  # port to run web interface
  web_interface:      ['0.0.0.0', '80'],
      
  # worker "process" to watch redis (we want this)
  start_worker:       true,
      
  # make the program chatty so we know how it's feeling
  print_stats:        3,
      
  # events not processed after 2 minutes are dropped
  event_queue_ttl:    120,
      
  # event data is kept for one month
  event_data_ttl:     3600*24*30,
      
  # session data is kept for one month
  :session_data_ttl:  3600*24*30
      
}
      
FnordMetric.standalone

fnord-event.rb

event(:login) { incr(:logins_per_hour) }

fnord-guage.rb

gauge :logins_per_hour,
  :tick  => 1.hour.to_i,
  :title => 'Logins per Hour'

fnord-namespace.rb

FnordMetric.namespace :my_first_fnord do

fnord-widget.rb

widget 'Web Logins', {
 :title            => 'Web App Logins Per Hour',
 :type             => :timeline,
 :gauges           => :logins_per_hour,
 :include_current  => true,
 :autoupdate       => 2 #update graph every 2 seconds
}

gem-install.sh

gem install fnordmetric

JSON.js

{ "_type": "login" }

redis-push.cs

using(var client = new RedisClient("linux.mysite.com:6379"))
{
  String guid = Guid.NewGuid().ToString("N");
  String fnordId = String.Format("fnordmetric-event-{0}", guid)
  client.Set(fnordId, "{\"_type\": \"login\"}");
  client.Expire(fnordId, new TimeSpan(0, 0, 60));
  client.LPush("fnordmetric-queue", guid);
}

run-fnord.sh

ruby fnord.rb run