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一个简单的用c++写的log
  1#ifndef _LOGING_
  2#define _LOGING_
  3#include <iostream>
  4#include <string>
  5#include <fstream>
  6#include <time.h>
  7#include <sys/time.h>
  8#include <cstdlib>
  9#include <sstream>
 10#include <cstdarg>
 11
 12using namespace std;
 13
 14typedef enum en_logleval
 15{
 16    fatal = 0,
 17    error,
 18    warning,
 19    debug
 20
 21}logleval_en;
 22
 23typedef struct tag_LogManangeInfo
 24{
 25    int      logleval;
 26    int      logoutype;
 27    string   logfilepath;
 28
 29}LogManagementInfo_st;
 30
 31string strFileName;
 32string strFileMainPath;
 33
 34struct timeval t_time;
 35unsigned int __NR_gettid;
 36enum en_logleval leval_t;
 37struct tm *ptm = NULL;
 38
 39LogManagementInfo_st  LogManagementInfo{ -1, -1, ""};
 40
 41string GetFileMainPath();
 42
 43void LogPrint(int level, char* info,);
 44
 45void LogInit(struct timeval t);
 46
 47void OutPrint(int leval1,
 48              struct timeval t1, unsigned int id1,
 49              string fuction1, int  line1, string file1, char *info1);
 50
 51void LogReture(struct timeval t1, unsigned int id1,
 52              string fuction1, int  line1, string file1,
 53              char *info1);
 54
 55void LogCheckArg(bool bl, struct timeval t1, unsigned int id1,
 56              string fuction1, int  line1, string file1,
 57              char *info1);
 58
 59#define SWITCHLEVEL(level,out)            switch(level) \
 60                                            {    case 0 :\
 61                                                     out<<"Fatal   log: "; \
 62                                                    break;    \
 63                                                 case 1 :\
 64                                                     out<<"Error   log: ";\
 65                                                    break;\
 66                                                 case 2:\
 67                                                     out<<"warning log: ";\
 68                                                     break;\
 69                                                 case 3:\
 70                                                     out<<"debug   log: ";\
 71                                                     break;\
 72                                                 default:\
 73                                                     out<<"Info"<<"["<<level-4<<"]"<<" log: ";\
 74                                                    break;\
 75                                            }\
 76
 77#define WRITELOG(out)   ptm = localtime(&t1.tv_sec);\
 78                        out<<ptm->tm_year+1900<<"-"<<ptm->tm_mon+1<<"-"<<ptm->tm_mday;\
 79                        out<<"-"<<ptm->tm_hour<<":"<<ptm->tm_min<<":"<<ptm->tm_sec<<".";\
 80                        out<<t1.tv_usec; \
 81                        file1 = strFileMainPath + file1.substr( file1.find('/') );\
 82                        out<<" "<<id1;\
 83                        out<<" "<<fuction1;\
 84                        out<<" "<<file1;\
 85                        out<<":"<<line1;\
 86                        out<<" "<<"Info: "<<info1<<endl;\
 87
 88#define  LOGINIT struct timeval t;\
 89         gettimeofday(&t, NULL); \
 90         LogInit(t)
 91
 92#define  LOGFATAL(info)  gettimeofday(&t_time, NULL); \
 93                         syscall(__NR_gettid);\
 94                         leval_t = fatal;\
 95                         OutPrint(leval_t, t, __NR_gettid, __FUNCTION__ ,__LINE__, __FILE__, info)
 96
 97#define  LOGERROR(info)  gettimeofday(&t_time, NULL); \
 98                         syscall(__NR_gettid);\
 99                         leval_t = error;\
100                         OutPrint(leval_t, t, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
101
102#define  LOGWARNING(info)  gettimeofday(&t_time, NULL); \
103                         syscall(__NR_gettid);\
104                         leval_t = warning;\
105                         OutPrint(leval_t, t, __NR_gettid, __FUNCTION__, __LINE__,  __FILE__, info)
106
107#define  LOGDEBUG(info)  gettimeofday(&t_time, NULL); \
108                         syscall(__NR_gettid);\
109                         leval_t = debug;\
110                         OutPrint(leval_t, t, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
111
112#define  LOGINFO(level, info)  gettimeofday(&t_time, NULL); \
113                         syscall(__NR_gettid);\
114                         OutPrint(level, t, __NR_gettid, __FUNCTION__, __LINE__,  __FILE__, info)
115
116
117#define  RETURN_NULL     gettimeofday(&t_time, NULL); \
118                         syscall(__NR_gettid);\
119                         LogReture( t_time, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, "return 0");\
120                         LogManagementInfo.logleval = debug;\
121                         return 0;\
122
123#define  RETURN(val)     gettimeofday(&t_time, NULL); \
124                         syscall(__NR_gettid);\
125                         LogReture( t_time, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, "return val");\
126                         LogManagementInfo.logleval = debug;\
127                         return(val);\
128
129#define  LOGCHECKARG(bl, info)     gettimeofday(&t_time, NULL); \
130                                   syscall(__NR_gettid);\
131                                   LogCheckArg(bl, t_time, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
132
133
134#endif
135
  1
  2//============================================================================
  3// Name        : loging.cpp
  4// Author      : 
  5// Version     :
  6// Copyright   : Your copyright notice
  7// Description : Hello World in C++, Ansi-style
  8//============================================================================
  9
 10#include "loging.h"
 11#include <cstdio>
 12#include <string>
 13using namespace std;
 14
 15string GetFileMainPath()
 16{
 17    char buffer[256];
 18    getcwd(buffer, 256);
 19    string strTemp = buffer;
 20    return strTemp;
 21}
 22
 23void LogInit(struct timeval t)
 24{
 25   ifstream out("/home/ganhm/logging/loging.conf");
 26   while(NULL != out)
 27   {
 28     string str;
 29     string begsubstr;
 30     string endsubstr;
 31     getline( out, str, '\n');
 32     unsigned int logbegpos = str.find_first_of('=', 0);
 33     unsigned int logendpos = str.find_first_of('\0', logbegpos);
 34
 35     begsubstr = str.substr(0, logbegpos);
 36     if(begsubstr == "loglevel")
 37     {
 38         endsubstr = str.substr(logbegpos + 1, logendpos - logbegpos);
 39         if(endsubstr == "fatal")
 40         {
 41             LogManagementInfo.logleval = fatal;
 42         }
 43         else if(endsubstr == "error")
 44         {
 45             LogManagementInfo.logleval = error;
 46         }
 47         else if(endsubstr == "warning")
 48         {
 49             LogManagementInfo.logleval = warning;
 50         }
 51         else if(endsubstr == "debug")
 52         {
 53             LogManagementInfo.logleval = debug;
 54         }
 55         else if((endsubstr.substr(0,4)) == "info")
 56         {
 57            cout<<"endlsubstr "<<endsubstr<<endl;
 58            string strInfoNum = endsubstr.substr(endsubstr.find('[') + 1, 1);
 59            cout<<"strInfoNum "<<strInfoNum<<endl;
 60            int iInfoNum;
 61            stringstream stream;
 62            stream<<strInfoNum;
 63            stream>>iInfoNum;
 64            cout<<"iInfoNum "<<iInfoNum<<endl;
 65            LogManagementInfo.logleval = iInfoNum + 4;
 66            cout<<"LogManagementInfo.logleval "<<LogManagementInfo.logleval<<endl;
 67         }
 68     }
 69    else if(begsubstr == "logouttype")
 70     {
 71         endsubstr = str.substr(logbegpos + 1 , logendpos - logbegpos);
 72         stringstream stream;
 73         int ilogouttype;
 74         stream<<endsubstr;
 75         stream>>ilogouttype;
 76         cout<<"ilogouttype"<<ilogouttype<<endl;
 77           LogManagementInfo.logoutype = ilogouttype;
 78     }
 79    else if(begsubstr == "logfilepath")
 80     {
 81         endsubstr = str.substr(logbegpos +1 , logendpos - logbegpos);
 82         LogManagementInfo.logfilepath = endsubstr;
 83     }
 84
 85   }
 86
 87   if(LogManagementInfo.logleval  == -1)
 88   {
 89       LogManagementInfo.logleval = 2;
 90   }
 91   cout<<"leval"<<LogManagementInfo.logleval<<endl;
 92   if(LogManagementInfo.logoutype == -1)
 93   {
 94       LogManagementInfo.logoutype = 0;
 95   }
 96
 97   cout<<"type"<<LogManagementInfo.logoutype<<endl;
 98   strFileMainPath = GetFileMainPath();
 99   cout<<"FeilManiPath"<<strFileMainPath<<endl;
100
101   string strFileNameAfer = strFileMainPath.substr(strFileMainPath.rfind('/') + 1) + ".log";
102   if(LogManagementInfo.logfilepath == "")
103   {
104       strFileName =  strFileNameAfer;
105   }
106   else
107   {
108       string strManagementINfoTemp = (LogManagementInfo.logfilepath).substr(0 ,(LogManagementInfo.logfilepath).rfind('/') + 1);
109       strFileName = strManagementINfoTemp + strFileNameAfer;
110   }
111   cout<<"GETFILENAME   "<<strFileName<<endl;
112}
113
114void OutPrint(int leval1,
115              struct timeval t1, unsigned int id1,
116              string fuction1, int line1, string file1, char *info1)
117{
118  if(LogManagementInfo.logleval >= leval1)
119   {
120       if(LogManagementInfo.logoutype == 0)
121       {
122                    SWITCHLEVEL(leval1, cout);
123                    WRITELOG(cout);
124        }
125        else if(LogManagementInfo.logoutype == 1)
126        {
127                   ofstream fout(strFileName.c_str(), ios::ate | ios::app );
128                  SWITCHLEVEL(leval1, fout);
129                  WRITELOG(fout);
130        }
131  }
132}
133
134void LogReture(struct timeval t1, unsigned int id1,
135              string fuction1, int  line1, string file1,
136              char *info1)
137{
138           if(LogManagementInfo.logoutype == 0)
139           {
140                     cout<<"RETURN  log: ";
141                     WRITELOG(cout);
142            }
143        else if(LogManagementInfo.logoutype == 1)
144            {
145                   ofstream fout((strFileName.c_str()), ios::ate | ios::app );
146                   if(fout == NULL)
147                   {
148                       cout<<"fout = NULL"<<endl;
149                   }
150                   fout<<"RETURN  log: ";
151                   WRITELOG(fout);
152            }
153}
154
155void LogCheckArg(bool bl, struct timeval t1, unsigned int id1,
156                string fuction1, int  line1, string file1,
157                char *info1)
158{
159               if(LogManagementInfo.logoutype == 0)
160               {
161                            cout<<"Check   log: ";
162                            WRITELOG(cout);
163                            if(bl == true)
164                            {
165                                 LogManagementInfo.logleval = error;
166                              cout<<" 正确"<<endl;
167                            }
168                            else
169                            {
170                                   LogManagementInfo.logleval = debug;
171                                cout<<" 错误"<<endl;
172                            }
173               }
174                else if (LogManagementInfo.logoutype == 1)
175                     {
176                             ofstream fout((strFileName.c_str()), ios::ate | ios::app );
177                                  cout<<"Check   log: ";
178                                  WRITELOG(fout);
179                                if(bl == true)
180                                {
181                                        LogManagementInfo.logleval = error;
182                                    fout<<" 正确"<<endl;
183                                }
184                                else
185                                {
186                                        LogManagementInfo.logleval = debug;
187                                    fout<<" 错误"<<endl;
188                                }
189                    }
190}
191void LogPrint(int level, char* info,)
192{
193       if(LogManagementInfo.logleval >= level)
194       {
195           if(LogManagementInfo.logoutype == 0)
196           {
197                    va_list argptr;
198                    va_start(argptr, info);
199                    char buffer[256];
200                    vsprintf( buffer,info,argptr);
201                    va_end(argptr);
202                    cout<<"附加信息 log: ";
203                    cout<<" "<<"Info "<<buffer<<endl;
204           }
205           else if(LogManagementInfo.logoutype == 1)
206           {
207                 ofstream fout((strFileName.c_str()), ios::ate | ios::app );
208                    va_list argptr;
209                    va_start(argptr, info);
210                    char buffer[256];
211                    vsprintf( buffer,info,argptr);
212                    va_end(argptr);
213                    fout<<"Info"<<endl;
214                    fout<<"附加信息 log: ";
215                    fout<<" "<<"Info "<<buffer<<endl;
216           }
217       }
218}
219
220
221
222
223
 1#include  "loging.h"
 2#include  <iostream>
 3
 4using namespace std;
 5int fun1();
 6int fun()
 7{
 8    RETURN_NULL;
 9}
10int fun1()
11{
12    RETURN(2);
13}
14int main()
15{
16    char *pFatalInfo = "Fatal Log";
17    char *pErrorInfo = "Error Log";
18    char *pWarringInfo = "Waring Log";
19    char *pDebugInfo = "Debug Log";
20    char *pInfo1 = "info1";
21    char *pInfo2 = "info2";
22    char *pInfo3 = "info3";
23    char *b = "bool bool";
24    LOGINIT;
25
26
27
28//    LOGFATAL(pFatalInfo);
29//    LOGERROR(pErrorInfo);
30//    LOGWARNING(pWarringInfo);
31//    LOGDEBUG(pDebugInfo);
32//    LOGINFO(0, pInfo1);
33    LOGINFO(1, pInfo1);
34    LOGINFO(2, pInfo1);
35    LOGINFO(3, pInfo1);
36    LOGINFO(4, pInfo1);
37    LOGINFO(5, pInfo1);
38    LOGINFO(6, pInfo1);
39    LOGINFO(7, pInfo1);
40    LOGINFO(8, pInfo1);
41
42
43    LogPrint(4,"%d %f %c", 1, 1.2, 'c');
44
45    unsigned int __NR_gettid;
46    syscall(__NR_gettid);
47    cout<<"__NR_gettid"<<__NR_gettid<<endl;
48    fun();
49    fun1();
50
51
52    LOGCHECKARG(false, b);
53      return 0;
54}
55
posted on 2010-08-19 19:18 郭龙 阅读(1659) 评论(0)  编辑 收藏 引用

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