1 files changed, 64 insertions, 0 deletions
diff --git a/lib/mauve/heartbeat.rb b/lib/mauve/heartbeat.rb
new file mode 100644
index 0000000..0f51f80
--- /dev/null
+++ b/lib/mauve/heartbeat.rb
@@ -0,0 +1,64 @@
+require 'mauve/sender'
+require 'mauve/proto'
+require 'mauve/mauve_thread'
+require 'log4r'
+
+#
+# This class is responsible for sending a heartbeat to another mauve instance elsewhere.
+#
+module Mauve
+
+  class Heartbeat < MauveThread
+
+    include Singleton
+
+    attr_accessor :destination, :summary, :detail
+    attr_reader   :sleep_interval, :raise_at 
+
+    def initialize
+      super
+
+      @destination    = nil
+      @summary        = "Mauve alert server down."
+      @detail         = "The Mauve server at #{Server.instance.hostname} has failed to send a heartbeat."
+      self.raise_at   = 600
+    end
+
+    def raise_at=(i)
+      @raise_at = i
+      @sleep_interval = ((i.to_f)/2.5).round.to_i
+    end
+
+    def logger
+      @logger ||= Log4r::Logger.new(self.class.to_s)
+    end
+
+    def main_loop
+      #
+      # Don't send if no destination set.
+      #
+      return if @destination.nil?
+
+      update = Mauve::Proto::AlertUpdate.new
+      update.replace = false
+      update.alert = []
+      update.source = Server.instance.hostname
+      update.transmission_id = rand(2**63)
+
+      message = Mauve::Proto::Alert.new
+      message.id = "mauve-heartbeat"
+      message.summary = self.summary
+      message.detail = self.detail
+      message.raise_time = (MauveTime.now.to_f+self.raise_at).to_i
+      message.clear_time = MauveTime.now.to_i
+
+      update.alert << message
+
+      Mauve::Sender.new(self.destination).send(update)
+    end
+
+  end
+
+end
+
+