/** * SMTP Client Logging Utilities * Client-side logging utilities for SMTP operations */ import { logger } from '../../../../logger.js'; /** * Log SMTP client connection events */ export function logConnection(event, options, data) { const logData = { component: 'smtp-client', event, host: options.host, port: options.port, secure: options.secure, ...data }; switch (event) { case 'connecting': logger.info('SMTP client connecting', logData); break; case 'connected': logger.info('SMTP client connected', logData); break; case 'disconnected': logger.info('SMTP client disconnected', logData); break; case 'error': logger.error('SMTP client connection error', logData); break; } } /** * Log SMTP command execution */ export function logCommand(command, response, options, data) { const logData = { component: 'smtp-client', command, response, host: options?.host, port: options?.port, ...data }; if (response && response.code >= 400) { logger.warn('SMTP command failed', logData); } else { logger.debug('SMTP command executed', logData); } } /** * Log authentication events */ export function logAuthentication(event, method, options, data) { const logData = { component: 'smtp-client', event: `auth_${event}`, authMethod: method, host: options.host, port: options.port, ...data }; switch (event) { case 'start': logger.debug('SMTP authentication started', logData); break; case 'success': logger.info('SMTP authentication successful', logData); break; case 'failure': logger.error('SMTP authentication failed', logData); break; } } /** * Log TLS/STARTTLS events */ export function logTLS(event, options, data) { const logData = { component: 'smtp-client', event, host: options.host, port: options.port, ...data }; if (event.includes('failure')) { logger.error('SMTP TLS operation failed', logData); } else { logger.info('SMTP TLS operation', logData); } } /** * Log email sending events */ export function logEmailSend(event, recipients, options, data) { const logData = { component: 'smtp-client', event: `send_${event}`, recipientCount: recipients.length, recipients: recipients.slice(0, 5), // Only log first 5 recipients for privacy host: options.host, port: options.port, ...data }; switch (event) { case 'start': logger.info('SMTP email send started', logData); break; case 'success': logger.info('SMTP email send successful', logData); break; case 'failure': logger.error('SMTP email send failed', logData); break; } } /** * Log performance metrics */ export function logPerformance(operation, duration, options, data) { const logData = { component: 'smtp-client', operation, duration, host: options.host, port: options.port, ...data }; if (duration > 10000) { // Log slow operations (>10s) logger.warn('SMTP slow operation detected', logData); } else { logger.debug('SMTP operation performance', logData); } } /** * Log debug information (only when debug is enabled) */ export function logDebug(message, options, data) { if (!options.debug) { return; } const logData = { component: 'smtp-client-debug', host: options.host, port: options.port, ...data }; logger.debug(`[SMTP Client Debug] ${message}`, logData); } //# 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