基础库___日志输出

晓寒 — Tue, 15 Aug 2006 08:35:00 GMT

类图：

序列图：

下面是代码：
CHLogger.h

/**
*  @file     CHLogger.h
*  @class    CHLogger
*  @author   flyingleaf
*  @version  1.0.0.0
*  @date     2006-08-11
*  @brief    您可以任使用此文件，但是需要保留本声明
*  @notice   1、使用<<输出日志时没有时间戳
             2、logger和使用的stream之间是关联：logger不负责stream的生命周期
*/

#ifndef _XHJ_CHLogger_h_
#define _XHJ_CHLogger_h_

#include <string>
#include <fstream>
#include <CHMutex.h>
#include <CHStream.h>
#include <vector>
#include <CHTime.n>

using namespace std;

namespace XHJ
{
    class CHLogger
    {
    public:
        //日志级别
        typedef enum
        {
            InfoLevel    = 1,    //信息级别
            WarningLevel = 2,    //告警级别
            ErrorLevel   = 4     //error级别
        }LogLevel;

        CHLogger(const char* fileName = "CHLogger.debug"):
            m_LogLevel(LogLevel::InfoLevel)
        {
        }

        ~CHLogger()
        {
        }

        void AddStream(CHLogStream*);
        void RemoveStream(const CHLogStream*);
        void ClearStream();

        virtual void Info(const string&);
        virtual void Warning(const string&);
        virtual void Error(const string&);

        //设置告警级别
        void SetLogLevel(const LogLevel& );

        //只有信息级别的时候,通过该接口的信息才能够显示
        CHLogger& operator << ( const string& );

        CHLogger& operator << ( ostream& (&)(ostream&) );

    protected:
        void WriteLog(const string&, const LogLevel& level = InfoLevel);

    private:
        LogLevel m_LogLevel;       //告警级别

        vector<CHLogStream*> m_Streams;
        CHMutex m_instanceMutex;
    };

}
#endif

CHLogger.cpp

#include "StdAfx.h"
#include "CHlogger.h"

namespace XHJ
{
    //可以添加重复的
    void CHLogger::AddStream(CHLogStream* stream)
    {
        Lock lock(m_instanceMutex);

        m_Streams.push_back(stream);
    }

    //删除所有同名字的
    void CHLogger::RemoveStream(const CHLogStream* stream)
    {
        Lock lock(m_instanceMutex);

        vector<CHLogStream*>::iterator pos = m_Streams.begin();
        for( ;    pos != m_Streams.end();    )
        {
            if((*pos)->StreamName() == stream->StreamName())
            {
                pos = m_Streams.erase(pos);
                continue;
            }

            ++pos;
        }
    }

    void CHLogger::ClearStream()
    {
        Lock lock(m_instanceMutex);

        m_Streams.clear();
    }

    void CHLogger::WriteLog(const string& message,const LogLevel& level)
    {
        //告警级别不够的，不输出
        if(level < m_LogLevel) return;

        for(vector<CHLogStream*>::iterator pos = m_Streams.begin();
            pos != m_Streams.end();
            ++pos)
        {
            (*pos)->WriteData(message.c_str());
        }
    }

    void CHLogger::SetLogLevel(const LogLevel& level)
    {
        Lock lock(m_instanceMutex);

        m_LogLevel = level;
    }

    void CHLogger::Info(const string& message)
    {
        Lock sync(m_instanceMutex);

        WriteLog(CHTime::now().toString() + " info:    " + message);
    }

    CHLogger  & CHLogger::operator << ( const string& message)
    {
        Lock lock(m_instanceMutex);

        WriteLog(message);

        return *this;
    }

    CHLogger& CHLogger::operator << ( ostream& (&)(ostream&) )
    {
        Lock lock(m_instanceMutex);

        WriteLog(" ");

        return (*this);
    }

    void CHLogger::Warning(const string& message)
    {
        Lock sync(m_instanceMutex);

        WriteLog(CHTime::now().toString() + " warning: " + message,WarningLevel);
    }

    void CHLogger::Error(const string& message)
    {
        Lock sync(m_instanceMutex);

        WriteLog(CHTime::now().toString() + " error:   " + message , ErrorLevel);
    }
}

CHLogStream.h 没有cpp

/**
*  @file     CHLogStream.h
*  @class    CHLogStream
*  @author   flyingleaf
*  @version  1.0.0.0
*  @date     2006-08-11
*  @brief    您可以任使用此文件，但是需要保留本声明
*/

#ifndef _XHJ_CHStream_h_
#define _XHJ_CHStream_h_
#include <windows.h>
#include <string>

using namespace std;

namespace XHJ
{
    class CHLogStream
    {
    public:
        CHLogStream(void) { m_StreamName = "CHLogStream" ;}
        virtual ~CHLogStream(void){};

        virtual void Init()=0;
        virtual void WriteData(const char*)=0;
        virtual void WriteData(void*)=0;

        string StreamName()const { return m_StreamName;}
        void SetStreamName(const string& name) { m_StreamName = name;}

    private:
        string m_StreamName;
    };

    class CHConLogStream:public CHLogStream
    {
    public:
        CHConLogStream(const string& name = "CHConLogStream")
        {
            SetStreamName(name);
        }

        void Init()
        {
        }

        void WriteData(const char* data)
        {
            cout << data;
        }

        void WriteData(void* data)
        {
            cout << data;
        }
    };
}
#endif

CHTime在评论中贴，否则篇幅过长，怕贴不出来了：P

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基础库___日志输出