shadowsocks-single/src/logger.js

Yet another shadowsocks implementation for nodejs to help you bypass firewalls.

import winston from 'winston';
import { join } from 'path';
import { mkdirIfNotExistSync } from './utils';

export const LOG_NAMES = {
  LOCAL: 'local.log',
  SERVER: 'server.log',
  DAEMON: 'daemon.log',
};

const PATH_PREFIX = join(__dirname, '../logs');
const DEFAULT_LEVEL = 'warn';
const DEFAULT_COMMON_OPTIONS = {
  colorize: true,
  timestamp: true,
};

function createLogData(level, filename, willLogToConsole) {
  const transports = [
    new winston.transports.File(Object.assign(
      DEFAULT_COMMON_OPTIONS, {
        level, filename,
      })
    ),
  ];

  if (willLogToConsole) {
    transports.push(
      new winston.transports.Console(Object.assign(DEFAULT_COMMON_OPTIONS, {
        level,
      }))
    );
  }

  return {
    transports,
  };
}

export function createLogger(level = DEFAULT_LEVEL, logName, willLogToConsole = false) {
  mkdirIfNotExistSync(PATH_PREFIX);
  const fileName = join(PATH_PREFIX, logName);
  return new winston.Logger(createLogData(level, fileName, willLogToConsole));
}