Class: Fluent::Plugin::NetflowipfixInput::ParserThread

Inherits:
Object
  • Object
show all
Defined in:
lib/fluent/plugin/in_netflowipfix.rb

Overview

class UdpListenerThread

Instance Method Summary collapse

Constructor Details

#initialize(udpQueue, queuesleep, eventQueue, cache_ttl, definitions, log) ⇒ ParserThread

Returns a new instance of ParserThread.



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# File 'lib/fluent/plugin/in_netflowipfix.rb', line 196

def initialize(udpQueue, queuesleep, eventQueue, cache_ttl, definitions, log)
  @udpQueue = udpQueue
  @queuesleep = queuesleep
  @eventQueue = eventQueue
  @log = log

  @parser_v5 = NetflowipfixInput::ParserNetflowv5.new
  @parser_v9 = NetflowipfixInput::ParserNetflowv9.new
  @parser_v10 = NetflowipfixInput::ParserIPfixv10.new

  @parser_v9.configure(cache_ttl, definitions)
  @parser_v10.configure(cache_ttl, definitions)
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/fluent/plugin/in_netflowipfix.rb', line 214

def close
end

#emit(time, event, host = nil) ⇒ Object

def run



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# File 'lib/fluent/plugin/in_netflowipfix.rb', line 254

def emit(time, event, host = nil)
  if !host.nil?
    event["host"] = host
  end
  @eventQueue << [time, event]
    @log.trace "ParserThread::emit #{@eventQueue.length}"
end

#join ⇒ Object 



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# File 'lib/fluent/plugin/in_netflowipfix.rb', line 217

def join
    @thread.join
end

#run ⇒ Object 



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# File 'lib/fluent/plugin/in_netflowipfix.rb', line 221

def run
  loop do
    if @udpQueue.length == 0
      sleep(@queuesleep)

    else
      block = method(:emit)
      ar = @udpQueue.pop
      time = ar[0]
      msg = ar[1]
      payload = msg["message"]
      host = msg["sender"]
      
      version,_ = payload[0,2].unpack('n')
      @log.trace "ParserThread::pop #{@udpQueue.length} v#{version}"

      case version
        when 5          
          packet = NetflowipfixInput::Netflow5Packet.read(payload)
          @parser_v5.handle_v5(host, packet, block)
        when 9
          packet = NetflowipfixInput::Netflow9Packet.read(payload)
          @parser_v9.handle_v9(host, packet, block)
        when 10
          packet = NetflowipfixInput::Netflow10Packet.read(payload)
          @parser_v10.handle_v10(host, packet, block)
        else
          $log.warn "Unsupported Netflow version v#{version}: #{version.class}"
      end # case

    end
  end # loop do
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_netflowipfix.rb', line 209

def start
  @thread = Thread.new(&method(:run))
  @log.debug "ParserThread::start"
end