projects/smsdaemon/Logger.cpp

#include "Logger.h"

#include "Common.h"
#include "ConfigFile.h"
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>

#include <stdlib.h>
#include <syslog.h>

using namespace std;

const char* Months[] = {  "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov","Dec"};

namespace Logger
{
        string _logFile;

        std::vector<std::string> logBuffer;

        enum LogDest
        {
                LogFile,
                LogSyslog,
                LogStdout
        };

        LogDest logger;

        void initLog()
        {
                Common* cmn = Common::instance();
                string logmethod = cmn->GetConfigfile()->GetValue("smsdaemon","log","");
                if (logmethod == "syslog")
                {
                        logger = LogSyslog;

                        openlog("smsdaemon", 0 , LOG_DAEMON);
                }
                else if (logmethod == "logfile")
                {
                        logger = LogFile;
                }
                else
                {
                        cerr << "Invalid config file setting for 'log' : " << logmethod << endl;
                        exit(1);
                }

                if (cmn->isDebug)
                {
                        logger = LogStdout;
                }
        }

        void setLogfile(std::string file)
        {
                _logFile = file;
        }

        void logMessage(string msg)
        {
                Common* cmn = Common::instance();
                time_t t = time(0);
                tm now;
                localtime_r(&t, &now);

                ostringstream out;

                out << Months[ now.tm_mon ] << " " << setw(2) << setfill('0') << now.tm_mday;
                out << " " << setw(2) << setfill('0') << now.tm_hour;
                out << ":" << setw(2) << setfill('0') << now.tm_min;
                out << ":" << setw(2) << setfill('0') << now.tm_sec;
                out << "  " << msg << endl;

                logBuffer.push_back( out.str() );

                if (logger == LogFile || logger == LogStdout)
                {
                        if (cmn->isDaemon && _logFile != "" && cmn->daemonized)
                        {
                                seteuid(0);
                                ofstream of( _logFile.c_str(), ios_base::out | ios_base::app | ios_base::ate);//append mode
                                if (of)
                                {
                                        of << out.str();
                                        of.flush();
                                        of.close();
                                }
                                seteuid( cmn->uid);
                        }
                        else
                        {
                                cout << out.str();
                                cout.flush();
                        }
                }
                else  // logSyslog
                {
                        syslog(LOG_INFO, "%s", msg.c_str());
                }
        }
}
1	#include "Logger.h"
2
3	#include "Common.h"
4	#include "ConfigFile.h"
5	#include <iostream>
6	#include <sstream>
7	#include <fstream>
8	#include <iomanip>
9
10	#include <stdlib.h>
11	#include <syslog.h>
12
13	using namespace std;
14
15	const char* Months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov","Dec"};
16
17	namespace Logger
18	{
19	string _logFile;
20
21	std::vector<std::string> logBuffer;
22
23	enum LogDest
24	{
25	LogFile,
26	LogSyslog,
27	LogStdout
28	};
29
30	LogDest logger;
31
32	void initLog()
33	{
34	Common* cmn = Common::instance();
35	string logmethod = cmn->GetConfigfile()->GetValue("smsdaemon","log","");
36	if (logmethod == "syslog")
37	{
38	logger = LogSyslog;
39
40	openlog("smsdaemon", 0 , LOG_DAEMON);
41	}
42	else if (logmethod == "logfile")
43	{
44	logger = LogFile;
45	}
46	else
47	{
48	cerr << "Invalid config file setting for 'log' : " << logmethod << endl;
49	exit(1);
50	}
51
52	if (cmn->isDebug)
53	{
54	logger = LogStdout;
55	}
56	}
57
58	void setLogfile(std::string file)
59	{
60	_logFile = file;
61	}
62
63	void logMessage(string msg)
64	{
65	Common* cmn = Common::instance();
66	time_t t = time(0);
67	tm now;
68	localtime_r(&t, &now);
69
70	ostringstream out;
71
72	out << Months[ now.tm_mon ] << " " << setw(2) << setfill('0') << now.tm_mday;
73	out << " " << setw(2) << setfill('0') << now.tm_hour;
74	out << ":" << setw(2) << setfill('0') << now.tm_min;
75	out << ":" << setw(2) << setfill('0') << now.tm_sec;
76	out << " " << msg << endl;
77
78	logBuffer.push_back( out.str() );
79
80	if (logger == LogFile \|\| logger == LogStdout)
81	{
82	if (cmn->isDaemon && _logFile != "" && cmn->daemonized)
83	{
84	seteuid(0);
85	ofstream of( _logFile.c_str(), ios_base::out \| ios_base::app \| ios_base::ate);//append mode
86	if (of)
87	{
88	of << out.str();
89	of.flush();
90	of.close();
91	}
92	seteuid( cmn->uid);
93	}
94	else
95	{
96	cout << out.str();
97	cout.flush();
98	}
99	}
100	else // logSyslog
101	{
102	syslog(LOG_INFO, "%s", msg.c_str());
103	}
104	}
105	}