Class: Fluent::PingMessageCheckerOutput
- Inherits:
-
Output
- Object
- Output
- Fluent::PingMessageCheckerOutput
- Includes:
- Mixin::ConfigPlaceholders
- Defined in:
- lib/fluent/plugin/out_ping_message_checker.rb
Instance Method Summary collapse
- #check_and_flush ⇒ Object
- #configure(conf) ⇒ Object
- #emit(tag, es, chain) ⇒ Object
- #shutdown ⇒ Object
- #start ⇒ Object
- #start_watch ⇒ Object
- #update_state(list) ⇒ Object
- #watch ⇒ Object
Instance Method Details
#check_and_flush ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 66 def check_and_flush notifications = [] @mutex.synchronize do @checks.keys.each do |key| if @checks[key] == 0 @checks[key] = -1 elsif @checks[key] < 0 notifications.push(key) @checks[key] = 1 else # @checks[key] > 0 if @checks[key] < @notification_times notifications.push(key) @checks[key] += 1 else @checks.delete(key) end end end end if @notifications notifications.each do |data| router.emit(@tag, Fluent::Engine.now, {@data_field => data}) end end notifications end |
#configure(conf) ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 30 def configure(conf) super @exclude_regex = @exclude_pattern ? Regexp.compile(@exclude_pattern) : nil end |
#emit(tag, es, chain) ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 113 def emit(tag, es, chain) datalist = [] es.each do |time,record| datalist.push record[@data_field] if @exclude_regex.nil? or not @exclude_regex.match(record[@data_field]) end datalist.uniq! update_state(datalist) chain.next rescue => e log.warn "out_ping_message_checker: #{e.} #{e.class} #{e.backtrace.first}" end |
#shutdown ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 46 def shutdown super @watcher.terminate @watcher.join end |
#start ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 35 def start super @checks = {} # 'data' => notification_counts # -1: checked in previous term, but not in this term # 0: checked in this term # 1,2,...: counts of ping missing notifications @mutex = Mutex.new start_watch end |
#start_watch ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 52 def start_watch @watcher = Thread.new(&method(:watch)) end |
#update_state(list) ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 56 def update_state(list) @mutex.synchronize do list.each do |data| if not @checks.has_key?(data) or @checks[data] != 0 @checks[data] = 0 end end end end |
#watch ⇒ Object
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# File 'lib/fluent/plugin/out_ping_message_checker.rb', line 98 def watch @last_checked = Fluent::Engine.now loop do sleep 1 begin if Fluent::Engine.now - @last_checked >= @check_interval check_and_flush() @last_checked = Fluent::Engine.now end rescue => e log.warn "out_ping_message_checker: #{e.class} #{e.} #{e.backtrace.first}" end end end |