122 lines
3.8 KiB
Python
122 lines
3.8 KiB
Python
"""
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Simple Redis manager stub.
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"""
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import logging
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from typing import Any, Optional, List, Dict
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logger = logging.getLogger(__name__)
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class RedisManager:
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"""Simple Redis manager stub"""
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def __init__(self):
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self.connected = False
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self.cache = {} # In-memory cache as fallback
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self.stats = {
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'hits': 0,
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'misses': 0,
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'sets': 0,
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'deletes': 0
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}
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async def connect(self):
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"""Connect to Redis (stub)"""
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logger.info("Redis manager initialized (stub mode)")
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self.connected = True
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async def initialize(self):
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"""Initialize Redis manager"""
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await self.connect()
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async def disconnect(self):
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"""Disconnect from Redis"""
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self.connected = False
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async def close(self):
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"""Close Redis connection (alias for disconnect)"""
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await self.disconnect()
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def is_connected(self) -> bool:
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"""Check if connected"""
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return self.connected
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async def ping(self) -> bool:
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"""Ping Redis to check connection"""
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return self.connected
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async def set(self, key: str, value: Any, ttl: Optional[int] = None):
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"""Set value in cache"""
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self.cache[key] = value
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self.stats['sets'] += 1
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logger.debug(f"Cached key: {key}")
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async def get(self, key: str) -> Optional[Any]:
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"""Get value from cache"""
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value = self.cache.get(key)
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if value is not None:
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self.stats['hits'] += 1
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else:
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self.stats['misses'] += 1
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return value
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async def delete(self, key: str):
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"""Delete key from cache"""
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self.cache.pop(key, None)
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self.stats['deletes'] += 1
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async def keys(self, pattern: str) -> List[str]:
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"""Get keys matching pattern"""
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if pattern.endswith('*'):
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prefix = pattern[:-1]
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return [key for key in self.cache.keys() if key.startswith(prefix)]
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return [key for key in self.cache.keys() if key == pattern]
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async def get_heatmap(self, symbol: str, exchange: Optional[str] = None) -> Optional[Any]:
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"""Get heatmap data for symbol"""
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key = f"heatmap:{symbol}:{exchange or 'consolidated'}"
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return await self.get(key)
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async def get_orderbook(self, symbol: str, exchange: str) -> Optional[Any]:
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"""Get order book data for symbol on exchange"""
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key = f"orderbook:{symbol}:{exchange}"
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return await self.get(key)
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async def get_metrics(self, symbol: str, exchange: str) -> Optional[Any]:
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"""Get metrics data for symbol on exchange"""
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key = f"metrics:{symbol}:{exchange}"
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return await self.get(key)
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async def get_exchange_status(self, exchange: str) -> Optional[Any]:
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"""Get exchange status"""
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key = f"st:{exchange}"
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return await self.get(key)
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def get_stats(self) -> Dict[str, Any]:
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"""Get cache statistics"""
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total_requests = self.stats['hits'] + self.stats['misses']
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hit_rate = self.stats['hits'] / max(1, total_requests)
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return {
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'hits': self.stats['hits'],
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'misses': self.stats['misses'],
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'sets': self.stats['sets'],
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'deletes': self.stats['deletes'],
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'hit_rate': hit_rate,
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'total_keys': len(self.cache),
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'connected': self.connected
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}
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async def health_check(self) -> Dict[str, Any]:
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"""Get Redis health status"""
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return {
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'connected': self.connected,
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'total_keys': len(self.cache),
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'memory_usage': 'N/A (stub mode)',
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'uptime': 'N/A (stub mode)'
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}
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# Global instance
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redis_manager = RedisManager() |