a119c3836a
* chore: increase log level * feat: secure relays endpoint * feat: add config for the extension * chore: update `min_lnbits_version` * chore: improve logging * fix: decrypt logic * chore: improve logs
143 lines
4.3 KiB
Python
143 lines
4.3 KiB
Python
import asyncio
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import threading
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import time
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from typing import List
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from loguru import logger
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from .message_pool import MessagePool, NoticeMessage
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from .relay import Relay
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from .subscription import Subscription
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class RelayManager:
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def __init__(self) -> None:
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self.relays: dict[str, Relay] = {}
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self.threads: dict[str, threading.Thread] = {}
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self.queue_threads: dict[str, threading.Thread] = {}
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self.message_pool = MessagePool()
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self._cached_subscriptions: dict[str, Subscription] = {}
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self._subscriptions_lock = threading.Lock()
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def add_relay(self, url: str) -> Relay:
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if url in list(self.relays.keys()):
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logger.debug(f"Relay '{url}' already present.")
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return self.relays[url]
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relay = Relay(url, self.message_pool)
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self.relays[url] = relay
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self._open_connection(relay)
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relay.publish_subscriptions(list(self._cached_subscriptions.values()))
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return relay
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def remove_relay(self, url: str):
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try:
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self.relays[url].close()
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except Exception as e:
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logger.debug(e)
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if url in self.relays:
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self.relays.pop(url)
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try:
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self.threads[url].join(timeout=5)
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except Exception as e:
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logger.debug(e)
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if url in self.threads:
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self.threads.pop(url)
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try:
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self.queue_threads[url].join(timeout=5)
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except Exception as e:
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logger.debug(e)
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if url in self.queue_threads:
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self.queue_threads.pop(url)
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def remove_relays(self):
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relay_urls = list(self.relays.keys())
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for url in relay_urls:
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self.remove_relay(url)
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def add_subscription(self, id: str, filters: List[str]):
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s = Subscription(id, filters)
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with self._subscriptions_lock:
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self._cached_subscriptions[id] = s
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for relay in self.relays.values():
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relay.publish_subscriptions([s])
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def close_subscription(self, id: str):
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try:
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logger.info(f"Closing subscription: '{id}'.")
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with self._subscriptions_lock:
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if id in self._cached_subscriptions:
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self._cached_subscriptions.pop(id)
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for relay in self.relays.values():
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relay.close_subscription(id)
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except Exception as e:
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logger.debug(e)
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def close_subscriptions(self, subscriptions: List[str]):
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for id in subscriptions:
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self.close_subscription(id)
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def close_all_subscriptions(self):
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all_subscriptions = list(self._cached_subscriptions.keys())
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self.close_subscriptions(all_subscriptions)
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def check_and_restart_relays(self):
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stopped_relays = [r for r in self.relays.values() if r.shutdown]
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for relay in stopped_relays:
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self._restart_relay(relay)
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def close_connections(self):
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for relay in self.relays.values():
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relay.close()
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def publish_message(self, message: str):
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for relay in self.relays.values():
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relay.publish(message)
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def handle_notice(self, notice: NoticeMessage):
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relay = next((r for r in self.relays.values() if r.url == notice.url))
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if relay:
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relay.add_notice(notice.content)
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def _open_connection(self, relay: Relay):
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self.threads[relay.url] = threading.Thread(
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target=relay.connect,
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name=f"{relay.url}-thread",
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daemon=True,
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)
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self.threads[relay.url].start()
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def wrap_async_queue_worker():
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asyncio.run(relay.queue_worker())
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self.queue_threads[relay.url] = threading.Thread(
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target=wrap_async_queue_worker,
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name=f"{relay.url}-queue",
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daemon=True,
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)
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self.queue_threads[relay.url].start()
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def _restart_relay(self, relay: Relay):
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time_since_last_error = time.time() - relay.last_error_date
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min_wait_time = min(
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60 * relay.error_counter, 60 * 60
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) # try at least once an hour
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if time_since_last_error < min_wait_time:
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return
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logger.info(f"Restarting connection to relay '{relay.url}'")
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self.remove_relay(relay.url)
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new_relay = self.add_relay(relay.url)
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new_relay.error_counter = relay.error_counter
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new_relay.error_list = relay.error_list
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