vibetunnel/dist/server/routes/events.js

Terminal sharing server with web interface - supports macOS, Linux, and headless environments

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createEventsRouter = createEventsRouter;
const express_1 = require("express");
const types_js_1 = require("../../shared/types.js");
const logger_js_1 = require("../utils/logger.js");
const logger = (0, logger_js_1.createLogger)('events');
/**
 * Server-Sent Events (SSE) endpoint for real-time event streaming
 */
function createEventsRouter(sessionMonitor) {
    const router = (0, express_1.Router)();
    // SSE endpoint for event streaming
    router.get('/events', (req, res) => {
        logger.info('📡 SSE connection attempt received');
        logger.debug('Client connected to event stream');
        // Set headers for SSE
        res.setHeader('Content-Type', 'text/event-stream');
        res.setHeader('Cache-Control', 'no-cache');
        res.setHeader('Connection', 'keep-alive');
        res.setHeader('Access-Control-Allow-Origin', '*');
        res.setHeader('X-Accel-Buffering', 'no'); // Disable proxy buffering
        // Event ID counter
        let eventId = 0;
        // biome-ignore lint/style/useConst: keepAlive is assigned after declaration
        let keepAlive;
        // Forward-declare event handlers for cleanup
        let onNotification;
        // Cleanup function to remove event listeners
        const cleanup = () => {
            if (keepAlive) {
                clearInterval(keepAlive);
            }
            if (sessionMonitor) {
                sessionMonitor.off('notification', onNotification);
            }
        };
        // Send initial connection event as default message event
        try {
            res.write('event: connected\ndata: {"type": "connected"}\n\n');
        }
        catch (error) {
            logger.debug('Failed to send initial connection event:', error);
            return;
        }
        // Keep connection alive
        keepAlive = setInterval(() => {
            try {
                res.write(':heartbeat\n\n'); // SSE comment to keep connection alive
            }
            catch (error) {
                logger.debug('Failed to send heartbeat:', error);
                cleanup();
            }
        }, 30000);
        // Handle SessionMonitor notification events
        if (sessionMonitor) {
            onNotification = (event) => {
                // SessionMonitor already provides properly formatted ServerEvent objects
                logger.info(`📢 SessionMonitor notification: ${event.type} for session ${event.sessionId}`);
                // Log test notifications specifically for debugging
                if (event.type === types_js_1.ServerEventType.TestNotification) {
                    logger.info('🧪 Forwarding test notification through SSE:', event);
                }
                // The event type is already included in the data payload
                try {
                    const sseMessage = `id: ${++eventId}\nevent: ${event.type}\ndata: ${JSON.stringify(event)}\n\n`;
                    res.write(sseMessage);
                    logger.debug(`✅ SSE event written: ${event.type}`);
                }
                catch (error) {
                    logger.error('Failed to write SSE event:', error);
                }
            };
            sessionMonitor.on('notification', onNotification);
        }
        // Handle client disconnect
        req.on('close', () => {
            logger.debug('Client disconnected from event stream');
            cleanup();
        });
    });
    return router;
}
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