228 lines
6.9 KiB
Python
228 lines
6.9 KiB
Python
import random
|
|
import socket
|
|
import time
|
|
from datetime import datetime
|
|
from itertools import zip_longest
|
|
from timeit import default_timer as timer
|
|
from typing import Any
|
|
from typing import Callable
|
|
from typing import Dict
|
|
from typing import Iterable
|
|
from typing import Optional
|
|
|
|
from .enums import RouteIPType
|
|
from .enums import RouteStrategy
|
|
|
|
__all__ = (
|
|
"ExponentialBackoff",
|
|
"NodeStats",
|
|
"FailingIPBlock",
|
|
"RouteStats",
|
|
"Ping",
|
|
)
|
|
|
|
|
|
class ExponentialBackoff:
|
|
"""
|
|
The MIT License (MIT)
|
|
Copyright (c) 2015-present Rapptz
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
|
copy of this software and associated documentation files (the "Software"),
|
|
to deal in the Software without restriction, including without limitation
|
|
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
and/or sell copies of the Software, and to permit persons to whom the
|
|
Software is furnished to do so, subject to the following conditions:
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
DEALINGS IN THE SOFTWARE.
|
|
"""
|
|
|
|
def __init__(self, base: int = 1, *, integral: bool = False) -> None:
|
|
self._base = base
|
|
|
|
self._exp = 0
|
|
self._max = 10
|
|
self._reset_time = base * 2**11
|
|
self._last_invocation = time.monotonic()
|
|
|
|
rand = random.Random()
|
|
rand.seed()
|
|
|
|
self._randfunc = rand.randrange if integral else rand.uniform
|
|
|
|
def delay(self) -> float:
|
|
invocation = time.monotonic()
|
|
interval = invocation - self._last_invocation
|
|
self._last_invocation = invocation
|
|
|
|
if interval > self._reset_time:
|
|
self._exp = 0
|
|
|
|
self._exp = min(self._exp + 1, self._max)
|
|
return self._randfunc(0, self._base * 2**self._exp) # type: ignore
|
|
|
|
|
|
class NodeStats:
|
|
"""The base class for the node stats object.
|
|
Gives critical information on the node, which is updated every minute.
|
|
"""
|
|
|
|
__slots__ = (
|
|
"used",
|
|
"free",
|
|
"reservable",
|
|
"allocated",
|
|
"cpu_cores",
|
|
"cpu_system_load",
|
|
"cpu_process_load",
|
|
"players_active",
|
|
"players_total",
|
|
"uptime",
|
|
)
|
|
|
|
def __init__(self, data: Dict[str, Any]) -> None:
|
|
|
|
memory: dict = data.get("memory", {})
|
|
self.used = memory.get("used")
|
|
self.free = memory.get("free")
|
|
self.reservable = memory.get("reservable")
|
|
self.allocated = memory.get("allocated")
|
|
|
|
cpu: dict = data.get("cpu", {})
|
|
self.cpu_cores = cpu.get("cores")
|
|
self.cpu_system_load = cpu.get("systemLoad")
|
|
self.cpu_process_load = cpu.get("lavalinkLoad")
|
|
|
|
self.players_active = data.get("playingPlayers")
|
|
self.players_total = data.get("players")
|
|
self.uptime = data.get("uptime")
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Pomice.NodeStats total_players={self.players_total!r} playing_active={self.players_active!r}>"
|
|
|
|
|
|
class FailingIPBlock:
|
|
"""
|
|
The base class for the failing IP block object from the route planner stats.
|
|
Gives critical information about any failing addresses on the block
|
|
and the time they failed.
|
|
"""
|
|
|
|
__slots__ = ("address", "failing_time")
|
|
|
|
def __init__(self, data: dict) -> None:
|
|
|
|
self.address = data.get("address")
|
|
self.failing_time = datetime.fromtimestamp(
|
|
float(data.get("failingTimestamp", 0)),
|
|
)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Pomice.FailingIPBlock address={self.address} failing_time={self.failing_time}>"
|
|
|
|
|
|
class RouteStats:
|
|
"""
|
|
The base class for the route planner stats object.
|
|
Gives critical information about the route planner strategy on the node.
|
|
"""
|
|
|
|
__slots__ = (
|
|
"strategy",
|
|
"ip_block_type",
|
|
"ip_block_size",
|
|
"failing_addresses",
|
|
"block_index",
|
|
"address_index",
|
|
)
|
|
|
|
def __init__(self, data: Dict[str, Any]) -> None:
|
|
|
|
self.strategy = RouteStrategy(data.get("class"))
|
|
|
|
details: dict = data.get("details", {})
|
|
|
|
ip_block: dict = details.get("ipBlock", {})
|
|
self.ip_block_type = RouteIPType(ip_block.get("type"))
|
|
self.ip_block_size = ip_block.get("size")
|
|
self.failing_addresses = [
|
|
FailingIPBlock(
|
|
data,
|
|
) for data in details.get("failingAddresses", [])
|
|
]
|
|
|
|
self.block_index = details.get("blockIndex")
|
|
self.address_index = details.get("currentAddressIndex")
|
|
|
|
def __repr__(self) -> str:
|
|
return f"<Pomice.RouteStats route_strategy={self.strategy!r} failing_addresses={len(self.failing_addresses)}>"
|
|
|
|
|
|
class Ping:
|
|
# Thanks to https://github.com/zhengxiaowai/tcping for the nice ping impl
|
|
def __init__(self, host: str, port: int, timeout: int = 5) -> None:
|
|
self.timer = self.Timer()
|
|
|
|
self._successed = 0
|
|
self._failed = 0
|
|
self._conn_time = None
|
|
self._host = host
|
|
self._port = port
|
|
self._timeout = timeout
|
|
|
|
class Socket:
|
|
def __init__(self, family: int, type_: int, timeout: Optional[float]) -> None:
|
|
s = socket.socket(family, type_)
|
|
s.settimeout(timeout)
|
|
self._s = s
|
|
|
|
def connect(self, host: str, port: int) -> None:
|
|
self._s.connect((host, port))
|
|
|
|
def shutdown(self) -> None:
|
|
self._s.shutdown(socket.SHUT_RD)
|
|
|
|
def close(self) -> None:
|
|
self._s.close()
|
|
|
|
class Timer:
|
|
def __init__(self) -> None:
|
|
self._start: float = 0.0
|
|
self._stop: float = 0.0
|
|
|
|
def start(self) -> None:
|
|
self._start = timer()
|
|
|
|
def stop(self) -> None:
|
|
self._stop = timer()
|
|
|
|
def cost(self, funcs: Iterable[Callable], args: Any) -> float:
|
|
self.start()
|
|
for func, arg in zip_longest(funcs, args):
|
|
if arg:
|
|
func(*arg)
|
|
else:
|
|
func()
|
|
|
|
self.stop()
|
|
return self._stop - self._start
|
|
|
|
def _create_socket(self, family: int, type_: int) -> Socket:
|
|
return self.Socket(family, type_, self._timeout)
|
|
|
|
def get_ping(self) -> float:
|
|
s = self._create_socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
|
|
cost_time = self.timer.cost(
|
|
(s.connect, s.shutdown), ((self._host, self._port), None),
|
|
)
|
|
s_runtime = 1000 * (cost_time)
|
|
|
|
return s_runtime
|