Class: Fluent::HttpInput

Inherits:
Input
  • Object
show all
Includes:
DetachMultiProcessMixin
Defined in:
lib/fluent/plugin/in_http.rb

Defined Under Namespace

Classes: Handler, KeepaliveManager

Instance Attribute Summary

Attributes included from Configurable

#config

Instance Method Summary collapse

Methods included from DetachProcessImpl

#on_detach_process

Methods included from PluginId

#plugin_id, #require_id

Methods included from Configurable

included

Constructor Details

#initialize ⇒ HttpInput

Returns a new instance of HttpInput.



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# File 'lib/fluent/plugin/in_http.rb', line 28

def initialize
  require 'webrick/httputils'
  super
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_http.rb', line 38

def configure(conf)
  super
end

#on_request(path_info, params) ⇒ Object 



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# File 'lib/fluent/plugin/in_http.rb', line 105

def on_request(path_info, params)
  begin
    path = path_info[1..-1]  # remove /
    tag = path.split('/').join('.')

    if msgpack = params['msgpack']
      record = MessagePack.unpack(msgpack)

    elsif js = params['json']
      record = JSON.parse(js)

    else
      raise "'json' or 'msgpack' parameter is required"
    end

    time = params['time']
    time = time.to_i
    if time == 0
      time = Engine.now
    end

  rescue
    return ["400 Bad Request", {'Content-type'=>'text/plain'}, "400 Bad Request\n#{$!}\n"]
  end

  # TODO server error
  begin
    Engine.emit(tag, time, record)
  rescue
    return ["500 Internal Server Error", {'Content-type'=>'text/plain'}, "500 Internal Server Error\n#{$!}\n"]
  end

  return ["200 OK", {'Content-type'=>'text/plain'}, ""]
end

#run ⇒ Object 



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# File 'lib/fluent/plugin/in_http.rb', line 98

def run
  @loop.run
rescue
  $log.error "unexpected error", :error=>$!.to_s
  $log.error_backtrace
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/in_http.rb', line 91

def shutdown
  @loop.watchers.each {|w| w.detach }
  @loop.stop
  @lsock.close
  @thread.join
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_http.rb', line 73

def start
  $log.debug "listening http on #{@bind}:#{@port}"
  lsock = TCPServer.new(@bind, @port)

  detach_multi_process do
    super
    @km = KeepaliveManager.new(@keepalive_timeout)
    #@lsock = Coolio::TCPServer.new(@bind, @port, Handler, @km, method(:on_request), @body_size_limit)
    @lsock = Coolio::TCPServer.new(lsock, nil, Handler, @km, method(:on_request), @body_size_limit)

    @loop = Coolio::Loop.new
    @loop.attach(@km)
    @loop.attach(@lsock)

    @thread = Thread.new(&method(:run))
  end
end