Files
nexus-terminal/packages/backend/src/websocket.ts
T
2025-06-01 15:35:42 +08:00

59 lines
2.3 KiB
TypeScript

import http from 'http';
import { WebSocketServer } from 'ws';
import { RequestHandler } from 'express';
import { initializeHeartbeat } from './websocket/heartbeat';
import { initializeUpgradeHandler } from './websocket/upgrade';
import { initializeConnectionHandler } from './websocket/connection';
import { clientStates } from './websocket/state';
import { sshSuspendService } from './services/ssh-suspend.service';
import { SftpService } from './sftp/sftp.service';
import { cleanupClientConnection } from './websocket/utils';
export {
ClientState,
AuthenticatedWebSocket,
DockerContainer,
DockerStats,
PortInfo,
SshSuspendClientToServerMessages,
SshSuspendServerToClientMessages,
SuspendedSessionInfo
} from './websocket/types'; // Re-export essential types
export const initializeWebSocket = async (server: http.Server, sessionParser: RequestHandler): Promise<WebSocketServer> => {
// Environment variables are expected to be loaded by index.ts
const wss = new WebSocketServer({ noServer: true });
// const db = await getDbInstance(); // db instance might not be directly needed here anymore if all DB interactions are in services/handlers
// 1. Initialize Heartbeat
const heartbeatTimer = initializeHeartbeat(wss); // Store timer to potentially clear it, though heartbeat.ts handles its own wss.on('close')
// 2. Initialize Upgrade Handler (handles authentication and protocol upgrade)
initializeUpgradeHandler(server, wss, sessionParser);
// +++ 创建 SftpService 实例 +++
const sftpService = new SftpService(clientStates);
// 3. Initialize Connection Handler (handles 'connection' event and message routing)
initializeConnectionHandler(wss, sshSuspendService, sftpService); // +++ 传递 sftpService 实例 +++
// --- WebSocket 服务器关闭处理 ---
wss.on('close', () => {
console.log('WebSocket 服务器正在关闭,清理心跳定时器和所有活动会话...');
clearInterval(heartbeatTimer); // Clear heartbeat started by this function
clientStates.forEach((_state, sessionId) => {
cleanupClientConnection(sessionId);
});
console.log('所有活动会话已清理。');
});
console.log('WebSocket 服务器初始化完成。');
return wss;
};
export { clientStates };