vibetunnel/dist/server/routes/control.js

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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.controlEventEmitter = void 0;
exports.createControlRoutes = createControlRoutes;
/**
 * Control Event Stream Route
 *
 * Provides a server-sent event stream for real-time control messages
 * including Git notifications and system events.
 */
const events_1 = require("events");
const express_1 = require("express");
const logger_js_1 = require("../utils/logger.js");
const logger = (0, logger_js_1.createLogger)('control-stream');
// Event emitter for control events
exports.controlEventEmitter = new events_1.EventEmitter();
function createControlRoutes() {
    const router = (0, express_1.Router)();
    // SSE endpoint for control events
    router.get('/control/stream', (req, res) => {
        // Set headers for SSE
        res.writeHead(200, {
            'Content-Type': 'text/event-stream',
            'Cache-Control': 'no-cache',
            Connection: 'keep-alive',
            'X-Accel-Buffering': 'no', // Disable Nginx buffering
        });
        // Send initial connection message
        res.write(':ok\n\n');
        logger.debug('Control event stream connected');
        // Subscribe to control events
        const handleEvent = (event) => {
            try {
                res.write(`data: ${JSON.stringify(event)}\n\n`);
            }
            catch (error) {
                logger.error('Failed to send control event:', error);
            }
        };
        exports.controlEventEmitter.on('event', handleEvent);
        // Send periodic heartbeat to keep connection alive
        const heartbeatInterval = setInterval(() => {
            res.write(':heartbeat\n\n');
        }, 30000); // 30 seconds
        // Clean up on disconnect
        req.on('close', () => {
            logger.debug('Control event stream disconnected');
            exports.controlEventEmitter.off('event', handleEvent);
            clearInterval(heartbeatInterval);
        });
    });
    return router;
}
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