smartmta/dist_ts/mail/delivery/smtpclient/utils/logging.js

/**
 * 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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