Class: TraceView::Reporter

Inherits:
Object
  • Object
show all
Defined in:
lib/oboe_metal.rb

Class Method Summary collapse

Class Method Details

.clear_all_traces ⇒ Object

clear_all_traces

Truncates the trace output file to zero



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# File 'lib/oboe_metal.rb', line 59

def clear_all_traces
  File.truncate(TRACE_FILE, 0)
end

.get_all_traces ⇒ Object

get_all_traces

Retrieves all traces written to the trace file



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# File 'lib/oboe_metal.rb', line 68

def get_all_traces
  io = File.open(TRACE_FILE, 'r')
  contents = io.readlines(nil)

  return contents if contents.empty?

  traces = []

  #
  # We use Gem.loaded_spec because older versions of the bson
  # gem didn't even have a version embedded in the gem.  If the
  # gem isn't in the bundle, it should rightfully error out
  # anyways.
  #
  if Gem.loaded_specs['bson'].version.to_s < '4.0'
    s = StringIO.new(contents[0])

    until s.eof?
      traces << if ::BSON.respond_to? :read_bson_document
                  BSON.read_bson_document(s)
                else
                  BSON::Document.from_bson(s)
                end
    end
  else
    bbb = BSON::ByteBuffer.new(contents[0])
    until bbb.length == 0
      traces << Hash.from_bson(bbb)
    end
  end

  traces
end

.sendReport(evt) ⇒ Object

sendReport

Send the report for the given event



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# File 'lib/oboe_metal.rb', line 50

def sendReport(evt)
  TraceView.reporter.sendReport(evt)
end

.start ⇒ Object Also known as: restart

start

Start the TraceView Reporter



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# File 'lib/oboe_metal.rb', line 20

def start
  return unless TraceView.loaded

  begin
    Oboe_metal::Context.init

    if ENV.key?('TRACEVIEW_GEM_TEST')
      TraceView.reporter = TraceView::FileReporter.new(TRACE_FILE)
    else
      TraceView.reporter = TraceView::UdpReporter.new(TraceView::Config[:reporter_host], TraceView::Config[:reporter_port])
    end

    # Only report __Init from here if we are not instrumenting a framework.
    # Otherwise, frameworks will handle reporting __Init after full initialization
    unless defined?(::Rails) || defined?(::Sinatra) || defined?(::Padrino) || defined?(::Grape)
      TraceView::API.report_init
    end

  rescue => e
    $stderr.puts e.message
    raise
  end
end