78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
import json
|
|
from queue import Queue
|
|
from threading import Lock
|
|
|
|
from .event import Event
|
|
from .message_type import RelayMessageType
|
|
|
|
|
|
class EventMessage:
|
|
def __init__(self, event: Event, subscription_id: str, url: str) -> None:
|
|
self.event = event
|
|
self.subscription_id = subscription_id
|
|
self.url = url
|
|
|
|
|
|
class NoticeMessage:
|
|
def __init__(self, content: str, url: str) -> None:
|
|
self.content = content
|
|
self.url = url
|
|
|
|
|
|
class EndOfStoredEventsMessage:
|
|
def __init__(self, subscription_id: str, url: str) -> None:
|
|
self.subscription_id = subscription_id
|
|
self.url = url
|
|
|
|
|
|
class MessagePool:
|
|
def __init__(self) -> None:
|
|
self.events: Queue[EventMessage] = Queue()
|
|
self.notices: Queue[NoticeMessage] = Queue()
|
|
self.eose_notices: Queue[EndOfStoredEventsMessage] = Queue()
|
|
self._unique_events: set = set()
|
|
self.lock: Lock = Lock()
|
|
|
|
def add_message(self, message: str, url: str):
|
|
self._process_message(message, url)
|
|
|
|
def get_event(self):
|
|
return self.events.get()
|
|
|
|
def get_notice(self):
|
|
return self.notices.get()
|
|
|
|
def get_eose_notice(self):
|
|
return self.eose_notices.get()
|
|
|
|
def has_events(self):
|
|
return self.events.qsize() > 0
|
|
|
|
def has_notices(self):
|
|
return self.notices.qsize() > 0
|
|
|
|
def has_eose_notices(self):
|
|
return self.eose_notices.qsize() > 0
|
|
|
|
def _process_message(self, message: str, url: str):
|
|
message_json = json.loads(message)
|
|
message_type = message_json[0]
|
|
if message_type == RelayMessageType.EVENT:
|
|
subscription_id = message_json[1]
|
|
e = message_json[2]
|
|
event = Event(
|
|
e["content"],
|
|
e["pubkey"],
|
|
e["created_at"],
|
|
e["kind"],
|
|
e["tags"],
|
|
e["sig"],
|
|
)
|
|
with self.lock:
|
|
if not event.id in self._unique_events:
|
|
self.events.put(EventMessage(event, subscription_id, url))
|
|
self._unique_events.add(event.id)
|
|
elif message_type == RelayMessageType.NOTICE:
|
|
self.notices.put(NoticeMessage(message_json[1], url))
|
|
elif message_type == RelayMessageType.END_OF_STORED_EVENTS:
|
|
self.eose_notices.put(EndOfStoredEventsMessage(message_json[1], url))
|