from __future__ import absolute_import

from . import log

from .agent import Agent

from .meter import Meter

from .options import Options

class Sensor(object):

options = None

meter = None

agent = None

def __init__(self, options):

self.set_options(options)

log.init(options.log_level)

self.agent = Agent(self)

self.meter = Meter(self)

log.debug("initialized sensor")

def set_options(self, options):

self.options = options

if not self.options:

self.options = Options()

def handle_fork(self):

self.agent = Agent(self)

self.meter = Meter(self)

def get_sensor():

return global_sensor

# For any given Python process, we only want one sensor as multiple would

# collect/report metrics in duplicate, triplicate etc..

#

# Usage example:

#

# import instana

# instana.global_sensor

#

global_sensor = Sensor(Options())