Class: Jaeger::Client::UdpSender

Inherits:
Object
  • Object
show all
Defined in:
lib/jaeger/client/udp_sender.rb,
lib/jaeger/client/udp_sender/transport.rb

Defined Under Namespace

Classes: Transport

Instance Method Summary collapse

Constructor Details

#initialize(service_name:, host:, port:, collector:, flush_interval:, logger:) ⇒ UdpSender 



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# File 'lib/jaeger/client/udp_sender.rb', line 10

def initialize(service_name:, host:, port:, collector:, flush_interval:, logger:)
  @service_name = service_name
  @collector = collector
  @flush_interval = flush_interval
  @logger = logger

  @tags = [
    Jaeger::Thrift::Tag.new(
      'key' => 'jaeger.version',
      'vType' => Jaeger::Thrift::TagType::STRING,
      'vStr' => 'Ruby-' + Jaeger::Client::VERSION
    ),
    Jaeger::Thrift::Tag.new(
      'key' => 'hostname',
      'vType' => Jaeger::Thrift::TagType::STRING,
      'vStr' => Socket.gethostname
    )
  ]
  ipv4 = Socket.ip_address_list.find { |ai| ai.ipv4? && !ai.ipv4_loopback? }
  unless ipv4.nil?
    @tags << Jaeger::Thrift::Tag.new(
      'key' => 'ip',
      'vType' => Jaeger::Thrift::TagType::STRING,
      'vStr' => ipv4.ip_address
    )
  end

  transport = Transport.new(host, port)
  protocol = ::Thrift::CompactProtocol.new(transport)
  @client = Jaeger::Thrift::Agent::Client.new(protocol)
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/jaeger/client/udp_sender.rb', line 42

def start
  # Sending spans in a separate thread to avoid blocking the main thread.
  @thread = Thread.new do
    loop do
      emit_batch(@collector.retrieve)
      sleep @flush_interval
    end
  end
end

#stop ⇒ Object 



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# File 'lib/jaeger/client/udp_sender.rb', line 52

def stop
  @thread.terminate if @thread
  emit_batch(@collector.retrieve)
end