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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_reader :raise_after, :destination, :summary, :detail
def initialize
super
@destination = nil
@summary = "Mauve alert server heartbeat failed"
@detail = "The Mauve server at #{Server.instance.hostname} has failed to send a heartbeat."
@raise_after = 310
@poll_every = 60
end
def raise_after=(i)
raise ArgumentError "raise_after must be an integer" unless i.is_a?(Integer)
@raise_after = i
end
alias send_every= poll_every=
def summary=(s)
raise ArgumentError "summary must be a string" unless s.is_a?(String)
@summary = s
end
def detail=(d)
raise ArgumentError "detail must be a string" unless d.is_a?(String)
@detail = d
end
def destination=(d)
raise ArgumentError "destination must be a string" unless d.is_a?(String)
@destination = d
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 = (Time.now.to_f+self.raise_after).to_i
message.clear_time = Time.now.to_i
update.alert << message
Mauve::Sender.new(self.destination).send(update)
logger.debug "Sent to #{self.destination}"
end
end
end
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