103 lines
No EOL
3.6 KiB
TypeScript
103 lines
No EOL
3.6 KiB
TypeScript
#!/usr/bin/env ts-node
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/**
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* Basic usage example for SMTP over WebSocket client
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*/
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import { SMTPOverWSClient, MessagePriority } from '../src/index';
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async function basicUsageExample() {
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console.log('Starting SMTP WebSocket Client Basic Example\n');
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// Create client with basic configuration
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const client = new SMTPOverWSClient({
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url: 'ws://localhost:3000/smtp', // Replace with your server URL
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apiKey: 'your-api-key-here', // Replace with your API key
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debug: true,
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reconnectInterval: 5000,
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maxReconnectAttempts: 3
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});
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// Set up event listeners
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client.on('connected', () => {
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console.log('Connected to WebSocket server');
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});
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client.on('authenticated', () => {
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console.log('Authentication successful');
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});
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client.on('disconnected', (reason) => {
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console.log(`Disconnected: ${reason || 'Unknown reason'}`);
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});
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client.on('error', (error) => {
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console.error('Client error:', error.message);
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});
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client.on('messageQueued', (messageId, queueSize) => {
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console.log(`Message ${messageId} queued (Queue size: ${queueSize})`);
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});
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client.on('messageProcessed', (messageId, responseTime) => {
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console.log(`Message ${messageId} processed in ${responseTime}ms`);
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});
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try {
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console.log('Sending SMTP commands...\n');
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// Send basic SMTP sequence
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const ehloResponse = await client.sendSMTPCommand('EHLO example.com\r\n');
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console.log('EHLO Response:', ehloResponse.trim());
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const mailFromResponse = await client.sendSMTPCommand('MAIL FROM: <sender@example.com>\r\n');
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console.log('MAIL FROM Response:', mailFromResponse.trim());
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const rcptToResponse = await client.sendSMTPCommand('RCPT TO: <recipient@example.com>\r\n');
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console.log('RCPT TO Response:', rcptToResponse.trim());
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const dataResponse = await client.sendSMTPCommand('DATA\r\n');
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console.log('DATA Response:', dataResponse.trim());
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// Send email content
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const emailContent = `From: sender@example.com\r\nTo: recipient@example.com\r\nSubject: Test Email\r\n\r\nThis is a test email.\r\n.\r\n`;
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const contentResponse = await client.sendSMTPCommand(emailContent);
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console.log('Content Response:', contentResponse.trim());
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const quitResponse = await client.sendSMTPCommand('QUIT\r\n');
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console.log('QUIT Response:', quitResponse.trim());
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console.log('\nAll SMTP commands sent successfully!');
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// Display statistics
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const stats = client.getStats();
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console.log('\nClient Statistics:');
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console.log(` Messages Queued: ${stats.messagesQueued}`);
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console.log(` Messages Processed: ${stats.messagesProcessed}`);
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console.log(` Messages Failed: ${stats.messagesFailed}`);
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console.log(` Average Response Time: ${stats.averageResponseTime.toFixed(2)}ms`);
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console.log(` Connection Uptime: ${stats.connectionUptime}ms`);
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} catch (error) {
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console.error('Error during SMTP communication:', error);
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} finally {
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console.log('\nShutting down client...');
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await client.shutdown();
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console.log('Client shutdown complete');
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}
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}
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// Run the example
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if (require.main === module) {
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basicUsageExample()
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.then(() => {
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console.log('\nBasic usage example completed successfully');
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process.exit(0);
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})
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.catch((error) => {
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console.error('\nExample failed:', error);
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process.exit(1);
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});
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}
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export { basicUsageExample }; |