mirror of
https://github.com/logos-blockchain/logos-blockchain-specs.git
synced 2026-01-20 05:53:07 +00:00
70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
import math
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from typing import Awaitable
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import pandas
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from mixnet.connection import SimplexConnection
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from mixnet.framework.framework import Framework, Queue
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from mixnet.sim.config import NetworkConfig
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class MeteredRemoteSimplexConnection(SimplexConnection):
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framework: Framework
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latency: float
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outputs: Queue
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conn: Queue
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inputs: Queue
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output_task: Awaitable
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output_meters: list[int]
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input_task: Awaitable
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input_meters: list[int]
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def __init__(self, config: NetworkConfig, framework: Framework):
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self.framework = framework
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self.latency = config.seed.random() * config.max_latency_sec
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self.outputs = framework.queue()
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self.conn = framework.queue()
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self.inputs = framework.queue()
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self.output_meters = []
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self.output_task = framework.spawn(self.__run_output_task())
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self.input_meters = []
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self.input_task = framework.spawn(self.__run_input_task())
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async def send(self, data: bytes) -> None:
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await self.outputs.put(data)
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async def recv(self) -> bytes:
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return await self.inputs.get()
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async def __run_output_task(self):
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start_time = self.framework.now()
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while True:
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data = await self.outputs.get()
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self.__update_meter(self.output_meters, len(data), start_time)
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await self.conn.put(data)
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async def __run_input_task(self):
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start_time = self.framework.now()
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while True:
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data = await self.conn.get()
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if data is None:
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break
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await self.framework.sleep(self.latency)
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self.__update_meter(self.input_meters, len(data), start_time)
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await self.inputs.put(data)
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def __update_meter(self, meters: list[int], size: int, start_time: float):
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slot = math.floor(self.framework.now() - start_time)
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assert slot >= len(meters) - 1
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meters.extend([0] * (slot - len(meters) + 1))
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meters[-1] += size
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def output_bandwidths(self) -> pandas.Series:
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return self.__bandwidths(self.output_meters)
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def input_bandwidths(self) -> pandas.Series:
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return self.__bandwidths(self.input_meters)
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def __bandwidths(self, meters: list[int]) -> pandas.Series:
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return pandas.Series(meters, name="bandwidth")
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