lbry-sdk/lbrynet/connection_manager.py
2019-06-04 01:20:05 -04:00

90 lines
3 KiB
Python

import asyncio
import typing
import collections
import logging
log = logging.getLogger(__name__)
CONNECTED_EVENT = "connected"
DISCONNECTED_EVENT = "disconnected"
TRANSFERRED_EVENT = "transferred"
class ConnectionManager:
def __init__(self, loop: asyncio.AbstractEventLoop):
self.loop = loop
self.incoming_connected: typing.Set[str] = set()
self.incoming: typing.DefaultDict[str, int] = collections.defaultdict(int)
self.outgoing_connected: typing.Set[str] = set()
self.outgoing: typing.DefaultDict[str, int] = collections.defaultdict(int)
self._status = {}
self._task: typing.Optional[asyncio.Task] = None
@property
def status(self):
return self._status
def sent_data(self, host_and_port: str, size: int):
self.outgoing[host_and_port] += size
def received_data(self, host_and_port: str, size: int):
self.incoming[host_and_port] += size
def connection_made(self, host_and_port: str):
self.outgoing_connected.add(host_and_port)
def connection_received(self, host_and_port: str):
# self.incoming_connected.add(host_and_port)
pass
def outgoing_connection_lost(self, host_and_port: str):
if host_and_port in self.outgoing_connected:
self.outgoing_connected.remove(host_and_port)
def incoming_connection_lost(self, host_and_port: str):
if host_and_port in self.incoming_connected:
self.incoming_connected.remove(host_and_port)
async def _update(self):
self._status = {
'incoming_bps': {},
'outgoing_bps': {},
'total_incoming_mbs': 0.0,
'total_outgoing_mbs': 0.0,
'time': self.loop.time()
}
while True:
last = self.loop.time()
await asyncio.sleep(1, loop=self.loop)
self._status['incoming_bps'].clear()
self._status['outgoing_bps'].clear()
while self.outgoing:
k, v = self.outgoing.popitem()
self._status['outgoing_bps'][k] = v
while self.incoming:
k, v = self.incoming.popitem()
self._status['incoming_bps'][k] = v
now = self.loop.time()
self._status['total_outgoing_mbs'] = int(sum(list(self._status['outgoing_bps'].values())
) / (now - last)) / 1000000.0
self._status['total_incoming_mbs'] = int(sum(list(self._status['incoming_bps'].values())
) / (now - last)) / 1000000.0
self._status['time'] = now
def stop(self):
if self._task:
self._task.cancel()
self._task = None
self.outgoing.clear()
self.outgoing_connected.clear()
self.incoming.clear()
self.incoming_connected.clear()
self._status.clear()
def start(self):
self.stop()
self._task = self.loop.create_task(self._update())