import os
from .service import Service
from ..utils.Logger import log
from ..utils.Utils import execute_shell_command
[docs]class BatteryStatsService(Service):
"""Class that manages the battery stats service state.
This class is responsible by cleaning the service state before each execution of the framework, as well as record
its state right after each execution.
Attributes:
boot_time (float): timestamp of the device's last boot.
output_res_folder (float): folder where the logs will be stored after each profiling session.
"""
def __init__(self,boot_time=0, output_res_folder="batterystats"):
Service.__init__(self, output_res_folder)
self.boot_time = boot_time
[docs] def config(self, **kwargs):
"""Does the same as Zaidu when Conceicao asks him to cross.
"""
pass
[docs] def init(self, boot_time=0, **kwargs):
""" inits the service.
Args:
boot_time:
**kwargs:
"""
self.boot_time = boot_time
self.clean()
[docs] def start(self):
"""starts the service.
Resets the service state in order to forget previous recorded information. this helps to save storage and time by
discarding events prior to the start of the profiling session.
"""
execute_shell_command("adb shell dumpsys batterystats --reset")
[docs] def stop(self, run_id=None):
"""stops the service.
To be called when the profiling session is over. Saves the recorded events in results_dir folder.
Args:
run_id(str): current session id.
"""
if run_id is None:
run_id = execute_shell_command("date +%s")[1].strip()
filename = os.path.join(self.results_dir, "bstats-%s-%s.log" % (run_id, str(self.boot_time)))
execute_shell_command("adb shell dumpsys batterystats --history > %s" % filename)
#print(colored("Output file %s" % filename, "green"))
log("BatteryStats output file %s" % filename)
return filename
[docs] def clean(self):
"""cleans data from previous run(s).
"""
execute_shell_command("find %s -type f | xargs rm " % self.results_dir)