jensandClaude Sonnet 4.6
9d2d742368
storage_helpers: load_today_records() scans logs/ for all files matching today's UTC date and VIN, merges and sorts their records. network: _accept_loop receives an optional load_today callable; if store_ref["current"] has no records it calls load_today() to replay the day's history from disk before adding the client. collect: passes a load_today lambda (None when -o is used). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
import json
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import logging
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import socket
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import threading
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from typing import Callable
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log = logging.getLogger(__name__)
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def _accept_loop(
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server_sock: socket.socket,
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clients: list,
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lock: threading.Lock,
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store_ref: dict,
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load_today: Callable | None,
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) -> None:
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while True:
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try:
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conn, addr = server_sock.accept()
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log.info("Push client connected from %s", addr)
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with lock:
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store = store_ref["current"]
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records = store["records"] if store else []
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if not records and load_today is not None:
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log.info("In-memory store empty — loading today's records from disk")
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records = load_today()
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try:
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for record in records:
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conn.sendall((json.dumps(record, default=str) + "\n").encode())
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if records:
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log.info("Sent %d record(s) to %s", len(records), addr)
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except OSError:
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log.debug("Failed to send history to %s", addr)
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conn.close()
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continue
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clients.append(conn)
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except OSError:
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break
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def broadcast(snapshot: dict, clients: list, lock: threading.Lock) -> None:
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line = (json.dumps(snapshot, default=str) + "\n").encode()
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with lock:
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dead = []
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for conn in clients:
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try:
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conn.sendall(line)
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except OSError:
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dead.append(conn)
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for conn in dead:
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clients.remove(conn)
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conn.close()
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log.info("Push client disconnected")
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def start_push_server(
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host: str,
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port: int,
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load_today: Callable | None = None,
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) -> tuple:
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server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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server_sock.bind((host, port))
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server_sock.listen()
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clients: list = []
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lock = threading.Lock()
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store_ref: dict = {"current": None}
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t = threading.Thread(
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target=_accept_loop,
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args=(server_sock, clients, lock, store_ref, load_today),
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daemon=True,
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)
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t.start()
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log.info("Push server listening on %s:%d", host, port)
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return clients, lock, store_ref |