OSS.Tools/Log/OSS.Tools.Log/DefaultToolLog.cs

#region Copyright (C) 2016 Kevin (OSS开源系列) 公众号：OSSCore

/***************************************************************************
*　　	文件功能描述：全局插件 -  日志插件默认实现
*
*　　	创建人： Kevin
*       创建人Email：1985088337@qq.com
*       
*       
*****************************************************************************/

#endregion

using System;
using System.IO;
using System.Text;
using System.Threading.Tasks;

namespace OSS.Tools.Log
{
    /// <summary>
    /// 系统默认写日志来源
    /// </summary>
    public class DefaultToolLog : IToolLog
    {
        private readonly string _logBaseDirPath;

        /// <summary>
        /// 构造函数
        /// </summary>
        public DefaultToolLog()
        {
            // todo  测试地址是否ok
            _logBaseDirPath = Path.Combine(Directory.GetCurrentDirectory(), "logs");

            if (!Directory.Exists(_logBaseDirPath))
                Directory.CreateDirectory(_logBaseDirPath);
        }

        private string getLogFilePath(string module, LogLevelEnum level)
        {
            var date = DateTime.Now;
            var dirPath = Path.Combine(_logBaseDirPath, string.Concat(module, "_", level),
                DateTime.Now.ToString("yyyyMM")); //string.Format(@"{0}\{1}\{2}\",_logBaseDirPath, module, level);

            if (!Directory.Exists(dirPath))
                Directory.CreateDirectory(dirPath);

            var fileName = string.Concat(date.ToString("yyyy-MM-dd-HH"), Math.Floor(DateTime.Now.Minute / 10M),
                "0.txt");
            return Path.Combine(dirPath, fileName);
        }

        private static readonly object obj = new object();

        /// <summary>
        /// 写日志
        /// </summary>
        /// <param name="info"></param>
        public Task WriteLogAsync(LogInfo info)
        {
            return Task.Run(() =>
            {
                try
                {
                    lock (obj)
                    {
                        var filePath = getLogFilePath(info.source_name, info.level);

                        using (var sw =
                            new StreamWriter(new FileStream(filePath, FileMode.Append, FileAccess.Write),
                                Encoding.UTF8))
                        {
                            sw.WriteLine("{0:T}    Code:{1}    Key:{2}   Detail:{3}\r\n", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"),
                                info.log_id, info.msg_key, info.msg_body);
                        }
                    }
                }
                catch 
                {
                    //  写日志本身不能再报异常，这里特殊处理
                }

            });
        }
    }
}