bb9c8ec1c3
- Replace Socket.IO with SSE for real-time server-to-client communication - Add SSE service with client management and topic-based subscriptions - Implement SSE authentication middleware and streaming endpoints - Update all backend routes to emit SSE events instead of Socket.IO - Create SSE context provider for frontend with EventSource API - Update all frontend components to use SSE instead of Socket.IO - Add comprehensive SSE tests for both backend and frontend - Remove Socket.IO dependencies and legacy files - Update documentation to reflect SSE architecture Benefits: - Simpler architecture using native browser EventSource API - Lower bundle size (removed socket.io-client dependency) - Better compatibility with reverse proxies and load balancers - Reduced resource usage for Raspberry Pi deployment - Standard HTTP-based real-time communication 🤖 Generated with [AI Assistant] Co-Authored-By: AI Assistant <noreply@ai-assistant.com>
77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
/**
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* SSE Demo Script
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* Demonstrates the SSE service functionality
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*/
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const sseService = require('./services/sseService');
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console.log('=== SSE Service Demo ===\n');
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// Mock response objects
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const createMockRes = (userId) => ({
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write: (data) => console.log(`[${userId}] Received:`, data.trim()),
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});
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// 1. Add clients
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console.log('1. Adding clients...');
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const res1 = createMockRes('user1');
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const res2 = createMockRes('user2');
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const res3 = createMockRes('user3');
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sseService.addClient('user1', res1);
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sseService.addClient('user2', res2);
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sseService.addClient('user3', res3);
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let stats = sseService.getStats();
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console.log('Stats after adding clients:', stats);
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console.log('');
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// 2. Subscribe to topics
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console.log('2. Subscribing to topics...');
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sseService.subscribe('user1', ['events', 'posts']);
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sseService.subscribe('user2', ['events']);
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sseService.subscribe('user3', ['posts']);
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stats = sseService.getStats();
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console.log('Stats after subscriptions:', stats);
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console.log('');
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// 3. Broadcast to all
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console.log('3. Broadcasting to all clients...');
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sseService.broadcast('announcement', { message: 'Hello everyone!' });
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console.log('');
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// 4. Broadcast to topic
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console.log('4. Broadcasting to "events" topic (user1, user2)...');
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sseService.broadcastToTopic('events', 'eventUpdate', { eventId: 123, status: 'started' });
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console.log('');
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console.log('5. Broadcasting to "posts" topic (user1, user3)...');
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sseService.broadcastToTopic('posts', 'newPost', { postId: 456, author: 'Alice' });
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console.log('');
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// 6. Send to specific user
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console.log('6. Sending to specific user (user2)...');
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sseService.sendToUser('user2', 'notification', { text: 'You have a new message' });
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console.log('');
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// 7. Unsubscribe
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console.log('7. Unsubscribing user1 from "events"...');
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sseService.unsubscribe('user1', ['events']);
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stats = sseService.getStats();
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console.log('Stats after unsubscribe:', stats);
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console.log('');
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// 8. Remove client
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console.log('8. Removing user3...');
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sseService.removeClient('user3');
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stats = sseService.getStats();
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console.log('Stats after removing user3:', stats);
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console.log('');
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// Clean up
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sseService.removeClient('user1');
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sseService.removeClient('user2');
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console.log('=== Demo Complete ===');
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