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一個簡單的用c++寫的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>
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#include <cstdlib>
9

#include <sstream>
10

#include <cstdarg>
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using namespace std;
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typedef enum en_logleval
15

{
16

fatal = 0,
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error,
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warning,
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debug
20

21

}logleval_en;
22

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typedef struct tag_LogManangeInfo
24

{
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int logleval;
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int logoutype;
27

string logfilepath;
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}LogManagementInfo_st;
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string strFileName;
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string strFileMainPath;
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struct timeval t_time;
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unsigned int __NR_gettid;
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enum en_logleval leval_t;
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struct tm *ptm = NULL;
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LogManagementInfo_st LogManagementInfo{ -1, -1, ""};
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string GetFileMainPath();
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void LogPrint(int level, char* info,

);
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void LogInit(struct timeval t);
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void OutPrint(int leval1,
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struct timeval t1, unsigned int id1,
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string fuction1, int line1, string file1, char *info1);
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void LogReture(struct timeval t1, unsigned int id1,
52

string fuction1, int line1, string file1,
53

char *info1);
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void LogCheckArg(bool bl, struct timeval t1, unsigned int id1,
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string fuction1, int line1, string file1,
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char *info1);
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#define SWITCHLEVEL(level,out) switch(level) \
60

{ case 0 :\
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out<<"Fatal log: "; \
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break; \
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case 1 :\
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out<<"Error log: ";\
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break;\
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case 2:\
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out<<"warning log: ";\
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break;\
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case 3:\
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out<<"debug log: ";\
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break;\
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default:\
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out<<"Info"<<"["<<level-4<<"]"<<" log: ";\
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break;\
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}\
76

77

#define WRITELOG(out) ptm = localtime(&t1.tv_sec);\
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out<<ptm->tm_year+1900<<"-"<<ptm->tm_mon+1<<"-"<<ptm->tm_mday;\
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out<<"-"<<ptm->tm_hour<<":"<<ptm->tm_min<<":"<<ptm->tm_sec<<".";\
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out<<t1.tv_usec; \
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file1 = strFileMainPath + file1.substr( file1.find('/') );\
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out<<" "<<id1;\
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out<<" "<<fuction1;\
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out<<" "<<file1;\
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out<<":"<<line1;\
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out<<" "<<"Info: "<<info1<<endl;\
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#define LOGINIT struct timeval t;\
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gettimeofday(&t, NULL); \
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LogInit(t)
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#define LOGFATAL(info) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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leval_t = fatal;\
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OutPrint(leval_t, t, __NR_gettid, __FUNCTION__ ,__LINE__, __FILE__, info)
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#define LOGERROR(info) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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leval_t = error;\
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OutPrint(leval_t, t, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
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#define LOGWARNING(info) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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leval_t = warning;\
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OutPrint(leval_t, t, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
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#define LOGDEBUG(info) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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leval_t = debug;\
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OutPrint(leval_t, t, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
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#define LOGINFO(level, info) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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OutPrint(level, t, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
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#define RETURN_NULL gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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LogReture( t_time, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, "return 0");\
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LogManagementInfo.logleval = debug;\
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return 0;\
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#define RETURN(val) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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LogReture( t_time, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, "return val");\
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LogManagementInfo.logleval = debug;\
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return(val);\
128

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#define LOGCHECKARG(bl, info) gettimeofday(&t_time, NULL); \
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syscall(__NR_gettid);\
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LogCheckArg(bl, t_time, __NR_gettid, __FUNCTION__, __LINE__, __FILE__, info)
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133

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#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>
13

using namespace std;
14

15

string GetFileMainPath()
16

{
17

char buffer[256];
18

getcwd(buffer, 256);
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string strTemp = buffer;
20

return strTemp;
21

}
22

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void LogInit(struct timeval t)
24

{
25

ifstream out("/home/ganhm/logging/loging.conf");
26

while(NULL != out)
27

{
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string str;
29

string begsubstr;
30

string endsubstr;
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getline( out, str, '\n');
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unsigned int logbegpos = str.find_first_of('=', 0);
33

unsigned int logendpos = str.find_first_of('\0', logbegpos);
34

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begsubstr = str.substr(0, logbegpos);
36

if(begsubstr == "loglevel")
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{
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endsubstr = str.substr(logbegpos + 1, logendpos - logbegpos);
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if(endsubstr == "fatal")
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{
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LogManagementInfo.logleval = fatal;
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}
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else if(endsubstr == "error")
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{
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LogManagementInfo.logleval = error;
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}
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else if(endsubstr == "warning")
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{
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LogManagementInfo.logleval = warning;
50

}
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else if(endsubstr == "debug")
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{
53

LogManagementInfo.logleval = debug;
54

}
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else if((endsubstr.substr(0,4)) == "info")
56

{
57

cout<<"endlsubstr "<<endsubstr<<endl;
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string strInfoNum = endsubstr.substr(endsubstr.find('[') + 1, 1);
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cout<<"strInfoNum "<<strInfoNum<<endl;
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int iInfoNum;
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stringstream stream;
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stream<<strInfoNum;
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stream>>iInfoNum;
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cout<<"iInfoNum "<<iInfoNum<<endl;
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LogManagementInfo.logleval = iInfoNum + 4;
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cout<<"LogManagementInfo.logleval "<<LogManagementInfo.logleval<<endl;
67

}
68

}
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else if(begsubstr == "logouttype")
70

{
71

endsubstr = str.substr(logbegpos + 1 , logendpos - logbegpos);
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stringstream stream;
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int ilogouttype;
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stream<<endsubstr;
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stream>>ilogouttype;
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cout<<"ilogouttype"<<ilogouttype<<endl;
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LogManagementInfo.logoutype = ilogouttype;
78

}
79

else if(begsubstr == "logfilepath")
80

{
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endsubstr = str.substr(logbegpos +1 , logendpos - logbegpos);
82

LogManagementInfo.logfilepath = endsubstr;
83

}
84

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}
86

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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

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cout<<"type"<<LogManagementInfo.logoutype<<endl;
98

strFileMainPath = GetFileMainPath();
99

cout<<"FeilManiPath"<<strFileMainPath<<endl;
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string strFileNameAfer = strFileMainPath.substr(strFileMainPath.rfind('/') + 1) + ".log";
102

if(LogManagementInfo.logfilepath == "")
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{
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strFileName = strFileNameAfer;
105

}
106

else
107

{
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string strManagementINfoTemp = (LogManagementInfo.logfilepath).substr(0 ,(LogManagementInfo.logfilepath).rfind('/') + 1);
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strFileName = strManagementINfoTemp + strFileNameAfer;
110

}
111

cout<<"GETFILENAME "<<strFileName<<endl;
112

}
113

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void 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

{
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SWITCHLEVEL(leval1, cout);
123

WRITELOG(cout);
124

}
125

else if(LogManagementInfo.logoutype == 1)
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{
127

ofstream fout(strFileName.c_str(), ios::ate | ios::app );
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SWITCHLEVEL(leval1, fout);
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WRITELOG(fout);
130

}
131

}
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}
133

134

void 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

155

void 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: ";
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WRITELOG(cout);
163

if(bl == true)
164

{
165

LogManagementInfo.logleval = error;
166

cout<<" 正確"<<endl;
167

}
168

else
169

{
170

LogManagementInfo.logleval = debug;
171

cout<<" 錯誤"<<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<<" 正確"<<endl;
183

}
184

else
185

{
186

LogManagementInfo.logleval = debug;
187

fout<<" 錯誤"<<endl;
188

}
189

}
190

}
191

void 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);
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fout<<"Info"<<endl;
214

fout<<"附加信息 log: ";
215

fout<<" "<<"Info "<<buffer<<endl;
216

}
217

}
218

}
219

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223

1

#include "loging.h"
2

#include <iostream>
3

4

using namespace std;
5

int fun1();
6

int fun()
7

{
8

RETURN_NULL;
9

}
10

int fun1()
11

{
12

RETURN(2);
13

}
14

int 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

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// 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

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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 郭龍閱讀(1686) 評論(0) 編輯收藏引用

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