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Support Auto-retry on Disconnection or Failure #122

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Merged
merged 3 commits into from
May 2, 2024
Merged

Support Auto-retry on Disconnection or Failure #122

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22b266e
Supported auto-retry on disconnection or failure. (#121)
ATATC May 2, 2024
36858ec
Increased waiting time. (#121)
ATATC May 2, 2024
e6457fd
Removed an unnecessary conditional statement. (#121)
ATATC May 2, 2024
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30 changes: 25 additions & 5 deletions leads_vec_rc/cli.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
from json import loads, JSONDecodeError
from os import mkdir
from os.path import abspath, exists
from time import sleep
from typing import Any

from fastapi import FastAPI
Expand All @@ -29,14 +30,26 @@
), time_stamp_record, voltage_record, speed_record, None, None, None, None, None, None, None, None, None)


def retry(service: Service) -> Client:
L.warn("Retrying connection...")
return start_client(config.comm_addr, create_client(service.port(), callback), True)


class CommCallback(Callback):
def __init__(self) -> None:
super().__init__()
self.client: Client = start_client(config.comm_addr, create_client(config.comm_port, self), True)

def on_connect(self, service: Service, connection: Connection) -> None:
self.super(service=service, connection=connection)
L.debug("Connected")
L.info("Connected")

def on_fail(self, service: Service, error: Exception) -> None:
self.super(service=service, error=error)
L.error(f"Comm client error: {repr(error)}")
sleep(10)
assert isinstance(service, Client)
self.client = retry(service)

def on_receive(self, service: Service, msg: bytes) -> None:
self.super(service=service, msg=msg)
Expand All @@ -54,10 +67,17 @@ def on_receive(self, service: Service, msg: bytes) -> None:
except JSONDecodeError as e:
L.error(repr(e))

def on_disconnect(self, service: Service, connection: ConnectionBase) -> None:
self.super(service=service, connection=connection)
L.info("Disconnected")
sleep(10)
assert isinstance(service, Client)
self.client = retry(service)


client = start_client(config.comm_addr, create_client(config.comm_port, CommCallback()), True)
callback: CommCallback = CommCallback()

app = FastAPI(title="LEADS VeC Remote Analyst")
app: FastAPI = FastAPI(title="LEADS VeC Remote Analyst")

app.add_middleware(
CORSMiddleware,
Expand Down Expand Up @@ -90,13 +110,13 @@ async def speed() -> list[float]:

@app.get("/time_lap")
async def time_lap() -> str:
client.send(b"time_lap")
callback.client.send(b"time_lap")
return "done"


@app.get("/hazard")
async def hazard() -> str:
client.send(b"hazard")
callback.client.send(b"hazard")
return "done"


Expand Down