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250 lines
9.4 KiB
250 lines
9.4 KiB
"""
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WebSocket管理器模块
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统一管理多个WebSocket客户端和Channel的连接
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"""
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import asyncio
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from typing import Dict, List, Optional, Any
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from datetime import datetime
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from app.core.websocket.client import WebSocketClient
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from app.core.websocket.channel import WebSocketChannel
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from app.core.websocket.adapter import WebSocketAdapter
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from app.utils.structured_log import get_structured_logger, LogLevel
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logger = get_structured_logger(__name__, LogLevel.INFO)
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class WebSocketManager:
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"""WebSocket管理器 - 统一管理多个WebSocket客户端和Channel的连接"""
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def __init__(self):
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self._clients: Dict[str, WebSocketClient] = {}
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self._channels: Dict[str, WebSocketChannel] = {}
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self._adapters: Dict[str, WebSocketAdapter] = {}
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self._created_at = datetime.now()
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self._lock = asyncio.Lock()
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logger.info("WebSocket管理器初始化完成")
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async def create_client(self, name: str, url: str) -> WebSocketClient:
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"""创建WebSocket客户端"""
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async with self._lock:
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if name in self._clients:
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logger.warning(f"WebSocket客户端 {name} 已存在")
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return self._clients[name]
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client = WebSocketClient(url, name)
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self._clients[name] = client
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logger.info(f"WebSocket管理器创建客户端: {name} -> {url}")
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return client
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async def remove_client(self, name: str) -> bool:
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"""移除WebSocket客户端"""
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async with self._lock:
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if name not in self._clients:
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return False
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# 停止相关的适配器
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await self._stop_client_adapters(name)
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client = self._clients[name]
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await client.disconnect()
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del self._clients[name]
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logger.info(f"WebSocket管理器移除客户端: {name}")
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return True
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def get_client(self, name: str) -> Optional[WebSocketClient]:
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"""获取WebSocket客户端"""
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return self._clients.get(name)
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def get_all_clients(self) -> Dict[str, WebSocketClient]:
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"""获取所有客户端"""
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return self._clients.copy()
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async def connect_client(self, name: str) -> bool:
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"""连接指定客户端"""
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client = self.get_client(name)
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if not client:
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logger.error(f"WebSocket客户端 {name} 不存在")
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return False
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return await client.connect()
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async def disconnect_client(self, name: str) -> bool:
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"""断开指定客户端"""
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client = self.get_client(name)
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if not client:
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logger.error(f"WebSocket客户端 {name} 不存在")
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return False
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await client.disconnect()
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return True
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async def connect_all_clients(self) -> Dict[str, bool]:
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"""连接所有客户端"""
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results = {}
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for name, client in self._clients.items():
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results[name] = await client.connect()
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return results
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async def disconnect_all_clients(self):
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"""断开所有客户端"""
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for name, client in self._clients.items():
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await client.disconnect()
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logger.info("WebSocket管理器断开所有客户端")
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async def create_channel(self, name: str, max_size: int = 1000) -> WebSocketChannel:
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"""创建Channel"""
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async with self._lock:
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if name in self._channels:
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logger.warning(f"Channel {name} 已存在")
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return self._channels[name]
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channel = WebSocketChannel(name, max_size)
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self._channels[name] = channel
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logger.info(f"WebSocket管理器创建Channel: {name}")
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return channel
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async def remove_channel(self, name: str) -> bool:
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"""移除Channel"""
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async with self._lock:
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if name not in self._channels:
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return False
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# 停止相关的适配器
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await self._stop_channel_adapters(name)
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channel = self._channels[name]
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await channel.disconnect()
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del self._channels[name]
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logger.info(f"WebSocket管理器移除Channel: {name}")
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return True
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def get_channel(self, name: str) -> Optional[WebSocketChannel]:
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"""获取Channel"""
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return self._channels.get(name)
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def get_all_channels(self) -> Dict[str, WebSocketChannel]:
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"""获取所有Channel"""
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return self._channels.copy()
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async def create_adapter(self, client_name: str, channel_name: str, heartbeat_interval: int = 120) -> Optional[WebSocketAdapter]:
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"""创建适配器，连接客户端和Channel"""
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async with self._lock:
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client = self.get_client(client_name)
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channel = self.get_channel(channel_name)
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if not client:
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logger.error(f"WebSocket客户端 {client_name} 不存在")
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return None
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if not channel:
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logger.error(f"Channel {channel_name} 不存在")
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return None
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adapter_key = f"{client_name}:{channel_name}"
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# 若已存在，确保运行；若未运行则重启
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if adapter_key in self._adapters:
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adapter = self._adapters[adapter_key]
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# 确保Channel已连接
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await channel.connect()
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# 如果发送任务未运行，则重新启动
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stats = adapter.get_stats()
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if not stats.get("send_task_running"):
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await adapter.start()
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logger.info(f"WebSocket管理器重新启动适配器: {adapter_key}")
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else:
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logger.info(f"WebSocket管理器适配器已存在且运行中: {adapter_key}")
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return adapter
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# 新建并启动
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adapter = WebSocketAdapter(client, channel, channel, heartbeat_interval)
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self._adapters[adapter_key] = adapter
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await channel.connect()
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await adapter.start()
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logger.info(f"WebSocket管理器创建适配器: {adapter_key}")
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return adapter
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async def remove_adapter(self, client_name: str, channel_name: str) -> bool:
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"""移除适配器"""
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async with self._lock:
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adapter_key = f"{client_name}:{channel_name}"
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if adapter_key not in self._adapters:
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return False
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adapter = self._adapters[adapter_key]
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await adapter.stop()
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del self._adapters[adapter_key]
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logger.info(f"WebSocket管理器移除适配器: {adapter_key}")
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return True
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def get_adapter(self, client_name: str, channel_name: str) -> Optional[WebSocketAdapter]:
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"""获取适配器"""
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adapter_key = f"{client_name}:{channel_name}"
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return self._adapters.get(adapter_key)
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def get_all_adapters(self) -> Dict[str, WebSocketAdapter]:
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"""获取所有适配器"""
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return self._adapters.copy()
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async def _stop_client_adapters(self, client_name: str):
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"""停止指定客户端的所有适配器"""
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adapters_to_remove = []
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for adapter_key, adapter in self._adapters.items():
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if adapter_key.startswith(f"{client_name}:"):
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await adapter.stop()
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adapters_to_remove.append(adapter_key)
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for adapter_key in adapters_to_remove:
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del self._adapters[adapter_key]
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async def _stop_channel_adapters(self, channel_name: str):
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"""停止指定Channel的所有适配器"""
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adapters_to_remove = []
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for adapter_key, adapter in self._adapters.items():
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if adapter_key.endswith(f":{channel_name}"):
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await adapter.stop()
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adapters_to_remove.append(adapter_key)
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for adapter_key in adapters_to_remove:
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del self._adapters[adapter_key]
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# 严格架构：不再提供直接发送能力，统一走Channel
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# 严格架构：不再提供直接广播能力，统一走Channel
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def get_stats(self) -> Dict[str, Any]:
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"""获取管理器统计信息"""
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return {
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"created_at": self._created_at,
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"client_count": len(self._clients),
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"channel_count": len(self._channels),
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"adapter_count": len(self._adapters),
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"clients": {name: client.get_stats() for name, client in self._clients.items()},
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"channels": {name: channel.get_stats() for name, channel in self._channels.items()},
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"adapters": {key: adapter.get_stats() for key, adapter in self._adapters.items()}
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}
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async def cleanup(self):
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"""清理资源"""
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# 停止所有适配器
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for adapter in self._adapters.values():
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await adapter.stop()
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# 断开所有客户端
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await self.disconnect_all_clients()
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# 断开所有Channel
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for channel in self._channels.values():
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await channel.disconnect()
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self._clients.clear()
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self._channels.clear()
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self._adapters.clear()
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logger.info("WebSocket管理器清理完成")
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# 全局WebSocket管理器实例
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websocket_manager = WebSocketManager()
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