@nullplatform/llm-gateway/dist/utils/logger.js

LLM Gateway Core - Main proxy server

"use strict";
// packages/core/basic-apikey-auth/utils/clickhouse-tracer.ts
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      desc = { enumerable: true, get: function() { return m[k]; } };
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.Logger = void 0;
const winston = __importStar(require("winston"));
class Logger {
    winston;
    level = 'info';
    constructor(level = 'info') {
        this.level = level;
        this.winston = winston.createLogger({
            level: this.level,
            format: winston.format.combine(winston.format.timestamp(), winston.format.errors({ stack: true }), winston.format.json()),
            defaultMeta: { service: 'llm-gateway' },
            transports: [
                new winston.transports.Console({
                    format: winston.format.combine(winston.format.colorize(), winston.format.simple())
                })
            ]
        });
        // Add file transport if in production
        if (process.env.NODE_ENV === 'production') {
            this.winston.add(new winston.transports.File({
                filename: 'logs/error.log',
                level: 'error'
            }));
            this.winston.add(new winston.transports.File({
                filename: 'logs/combined.log'
            }));
        }
    }
    setLevel(level) {
        this.level = level;
        this.winston.level = level;
    }
    debug(message, meta) {
        this.winston.debug(message, meta);
    }
    info(message, meta) {
        this.winston.info(message, meta);
    }
    warn(message, meta) {
        this.winston.warn(message, meta);
    }
    error(message, meta) {
        const err = meta?.error ? meta.error : meta;
        this.winston.error(message, err);
    }
    // Create child clickhouse-tracer with additional context
    child(context) {
        const childLogger = new Logger(this.level);
        childLogger.winston = this.winston.child(context);
        return childLogger;
    }
    // Performance timing helper
    time(label) {
        const start = Date.now();
        return () => {
            const duration = Date.now() - start;
            this.debug(`Timer: ${label}`, { duration_ms: duration });
            return duration;
        };
    }
    // HTTP request clickhouse-tracer
    logRequest(req, res, duration) {
        this.info('HTTP Request', {
            method: req.method,
            url: req.url,
            status: res.statusCode,
            duration_ms: duration,
            user_agent: req.headers['user-agent'],
            ip: req.ip || req.connection.remoteAddress,
            request_id: req.id
        });
    }
    // Plugin execution clickhouse-tracer
    logPluginExecution(pluginName, phase, duration, success) {
        const level = success ? 'debug' : 'warn';
        this[level]('Plugin execution', {
            plugin: pluginName,
            phase,
            duration_ms: duration,
            success
        });
    }
    // LLM provider request clickhouse-tracer
    logProviderRequest(provider, model, tokens, duration) {
        this.info('Provider request', {
            provider,
            model,
            input_tokens: tokens.prompt_tokens,
            output_tokens: tokens.completion_tokens,
            total_tokens: tokens.total_tokens,
            duration_ms: duration
        });
    }
}
exports.Logger = Logger;
//# sourceMappingURL=logger.js.map