Class: Fluent::Plugin::UdpInput

Inherits:
Input show all
Defined in:
lib/fluent/plugin/in_udp.rb

Constant Summary

Constants included from Configurable

Configurable::CONFIG_TYPE_REGISTRY

Instance Attribute Summary

Attributes included from Fluent::PluginLoggerMixin

#log

Attributes inherited from Base

#under_plugin_development

Instance Method Summary collapse

Methods inherited from Input

#emit_records, #emit_size, #initialize, #metric_callback, #statistics

Methods included from Fluent::PluginHelper::Mixin

included

Methods included from Fluent::PluginLoggerMixin

included, #initialize, #terminate

Methods included from Fluent::PluginId

#initialize, #plugin_id, #plugin_id_configured?, #plugin_id_for_test?, #plugin_root_dir, #stop

Methods inherited from Base

#acquire_worker_lock, #after_shutdown, #after_shutdown?, #after_start, #after_started?, #before_shutdown, #before_shutdown?, #called_in_test?, #close, #closed?, #configured?, #context_router, #context_router=, #fluentd_worker_id, #get_lock_path, #has_router?, #initialize, #inspect, #plugin_root_dir, #reloadable_plugin?, #shutdown, #shutdown?, #started?, #stop, #stopped?, #string_safe_encoding, #terminate, #terminated?

Methods included from SystemConfig::Mixin

#system_config, #system_config_override

Methods included from Configurable

#config, #configure_proxy_generate, #configured_section_create, included, #initialize, lookup_type, register_type

Constructor Details

This class inherits a constructor from Fluent::Plugin::Input

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_udp.rb', line 50

def configure(conf)
  compat_parameters_convert(conf, :parser)
  parser_config = conf.elements('parse').first
  unless parser_config
    raise Fluent::ConfigError, "<parse> section is required."
  end
  super
  @_event_loop_blocking_timeout = @blocking_timeout
  @source_hostname_key ||= @source_host_key if @source_host_key
  @message_length_limit = @body_size_limit if @body_size_limit

  @parser = parser_create(conf: parser_config)
end

#multi_workers_ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fluent/plugin/in_udp.rb', line 64

def multi_workers_ready?
  true
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_udp.rb', line 68

def start
  super

  log.info "listening udp socket", bind: @bind, port: @port
  server_create(:in_udp_server, @port, proto: :udp, bind: @bind, resolve_name: !!@source_hostname_key, max_bytes: @message_length_limit, receive_buffer_size: @receive_buffer_size) do |data, sock|
    data.chomp! if @remove_newline
    begin
      @parser.parse(data) do |time, record|
        unless time && record
          log.warn "pattern not matched", data: data
          next
        end

        tag = extract_tag_from_record(record)
        tag ||= @tag
        time ||= extract_time_from_record(record) || Fluent::EventTime.now
        record[@source_address_key] = sock.remote_addr if @source_address_key
        record[@source_hostname_key] = sock.remote_host if @source_hostname_key
        router.emit(tag, time, record)
      end
    end
  end
end