Class: Stark::Rack::LoggingProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/stark/rack/logging_processor.rb

Instance Method Summary collapse

Constructor Details

#initialize(handler, secondary = nil) ⇒ LoggingProcessor

Returns a new instance of LoggingProcessor.



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# File 'lib/stark/rack/logging_processor.rb', line 7

def initialize(handler, secondary=nil)
  @handler = handler
  @secondary = secondary
end

Instance Method Details

#process(iprot, oprot) ⇒ Object 



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# File 'lib/stark/rack/logging_processor.rb', line 12

def process(iprot, oprot)
  name, type, seqid = iprot.read_message_begin
  x = nil
  if @handler.respond_to?("process_#{name}")
    begin
      @handler.send("process_#{name}", seqid, iprot, oprot)
    rescue StandardError => e
      Stark.logger.error "#{@handler.class.name}#process_#{name}: #{e.message}\n  " + e.backtrace.join("\n  ")
      x = Thrift::ApplicationException.new(
                       Thrift::ApplicationException::UNKNOWN,
                       "#{e.message} (#{e.class})")
      x.cause = e
      oprot.write_message_begin(name, Thrift::MessageTypes::EXCEPTION, seqid)
      x.write(oprot)
      oprot.write_message_end
      oprot.trans.flush
    end

    if s = @secondary
      if x
        s.error name, type, seqid, x
      else
        s.success name, type, seqid
      end
    end

    [name, type, seqid, x]
  else
    iprot.skip(Thrift::Types::STRUCT)
    iprot.read_message_end
    x = Thrift::ApplicationException.new(Thrift::ApplicationException::UNKNOWN_METHOD,
                                 "Unknown function: #{name}")
    oprot.write_message_begin(name, Thrift::MessageTypes::EXCEPTION, seqid)
    x.write(oprot)
    oprot.write_message_end
    oprot.trans.flush
    if s = @secondary
      s.error name, type, seqid, x
    end
    false
  end
end