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import time
from landscape.lib.monitor import CoverageMonitor
from landscape.lib.sysstats import get_thermal_zones
from landscape.accumulate import Accumulator
from landscape.monitor.plugin import MonitorPlugin
class Temperature(MonitorPlugin):
"""Capture thermal zone temperatures and trip point settings."""
persist_name = "temperature"
scope = "temperature"
# Prevent the Plugin base-class from scheduling looping calls.
run_interval = None
def __init__(self, interval=30, monitor_interval=60 * 60,
thermal_zone_path=None, create_time=time.time):
self.thermal_zone_path = thermal_zone_path
self._interval = interval
self._monitor_interval = monitor_interval
self._create_time = create_time
self._thermal_zones = []
self._temperatures = {}
for thermal_zone in get_thermal_zones(self.thermal_zone_path):
self._thermal_zones.append(thermal_zone.name)
self._temperatures[thermal_zone.name] = []
def register(self, registry):
super(Temperature, self).register(registry)
if self._thermal_zones:
self._accumulate = Accumulator(self._persist,
self.registry.step_size)
registry.reactor.call_every(self._interval, self.run)
self._monitor = CoverageMonitor(self._interval, 0.8,
"temperature snapshot",
create_time=self._create_time)
registry.reactor.call_every(self._monitor_interval,
self._monitor.log)
registry.reactor.call_on("stop", self._monitor.log, priority=2000)
self.call_on_accepted("temperature", self.exchange, True)
def create_messages(self):
messages = []
for zone in self._thermal_zones:
temperatures = self._temperatures[zone]
self._temperatures[zone] = []
if not temperatures:
continue
messages.append({"type": "temperature", "thermal-zone": zone,
"temperatures": temperatures})
return messages
def send_messages(self, urgent):
for message in self.create_messages():
self.registry.broker.send_message(
message, self._session_id, urgent=urgent)
def exchange(self, urgent=False):
self.registry.broker.call_if_accepted("temperature",
self.send_messages, urgent)
def run(self):
self._monitor.ping()
now = int(self._create_time())
for zone in get_thermal_zones(self.thermal_zone_path):
if zone.temperature_value is not None:
key = ("accumulate", zone.name)
step_data = self._accumulate(now, zone.temperature_value, key)
if step_data:
self._temperatures[zone.name].append(step_data)