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afd56bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | import asyncio
import json
import logging
from datetime import datetime
from typing import Optional, Dict, Any, AsyncGenerator
logger = logging.getLogger(__name__)
class LiveTelemetry:
"""
In-memory broadcaster for Server-Sent Events (SSE).
Dystrybuuje logi telemetryczne do pod艂膮czonych klient贸w admina.
"""
def __init__(self, max_history: int = 1000):
self.queues = set()
self.history = []
self.max_history = max_history
def log(
self,
level: str,
agent: str,
message: str,
metadata: Optional[Dict[str, Any]] = None,
trace_id: Optional[str] = None,
):
"""
G艂贸wne wej艣cie dla telemetrii na 偶ywo.
"""
event = {
"timestamp": datetime.utcnow().isoformat() + "Z",
"level": level.upper(),
"agent": agent,
"message": message,
"metadata": metadata or {},
"trace_id": trace_id,
}
# Zapis do in-memory historii
self.history.append(event)
if len(self.history) > self.max_history:
self.history.pop(0)
# Powiadomienie wszystkich subskrybent贸w (nieblokuj膮ce)
event_str = json.dumps(event)
for q in list(self.queues):
try:
q.put_nowait(event_str)
except asyncio.QueueFull:
logger.warning("Telemetry queue is full, dropping event for a client.")
async def subscribe(self) -> AsyncGenerator[str, None]:
"""
Generator SSE wysy艂aj膮cy zdarzenia do klienta.
"""
q = asyncio.Queue(maxsize=100)
self.queues.add(q)
try:
# Wypchni臋cie najnowszej historii przy starcie (max 50 dla p艂ynno艣ci)
recent_history = self.history[-50:]
for event in recent_history:
yield f"event: telemetry_log\ndata: {json.dumps(event)}\n\n"
while True:
# Oczekiwanie na nowe zdarzenia
event_str = await q.get()
yield f"event: telemetry_log\ndata: {event_str}\n\n"
except asyncio.CancelledError:
pass
finally:
self.queues.discard(q)
# Globalny singleton telemetryczny
telemetry = LiveTelemetry()
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