def init_senders(self):
self.sender_manager = SenderManager(
squeue=self.senderq,
tsd_list=self.conf.tsd_list()
)
self.sender_manager.run()
class Main:
def __init__(self, readers=5, conf=None, interval=300):
self.readerq = Queue()
self.pool = []
self.senderq = Queue()
self.readers = readers
self.interval = interval
if conf:
self.conf = ConfigReader(conf)
self.resolvers = self.load_resolvers()
self.value_modifiers = self.load_value_modifiers()
def init_readers(self):
for i in range(0, self.readers):
readth = ReaderThread(self.readerq, self.senderq)
readth.start()
self.pool.append(readth)
def stop_readers(self):
for w in self.pool:
w.stop()
def init_senders(self):
self.sender_manager = SenderManager(
squeue=self.senderq,
tsd_list=self.conf.tsd_list()
)
self.sender_manager.run()
def stop_senders(self):
self.sender_manager.stop()
def load_resolvers(self):
resolvers = {}
for entry in iter_entry_points(group="resolvers"):
resolvers[entry.name] = entry.load()()
return resolvers
def load_value_modifiers(self):
mods = {}
for entry in iter_entry_points(group="value_modifiers"):
mods[entry.name] = entry.load()()
return mods
def load_devices(self):
self.devices = []
for d in self.conf.devicelist():
d = Device(d, self.resolvers,
self.value_modifiers, self.conf.metrics())
self.devices.append(d)
return self.devices
def run(self, once=False):
self.init_senders()
self.init_readers()
self.load_devices()
try:
while(True):
start_time = time.time()
"""fill reader queue"""
for d in self.devices:
self.readerq.put(d)
self.readerq.join()
delta = time.time() - start_time
if delta < self.interval:
time.sleep(self.interval - delta)
if (once):
break
except (KeyboardInterrupt, SystemExit):
self.stop_readers()
self.stop_senders()
self.stop_readers()
self.stop_senders()
