log.cpp

顶级实用日志类

#include "log.h"

ulog::ulog ( char* pprefix )
{
	m_fpalog = NULL;
	m_fpblog = NULL;
	m_fpclog = NULL;

	if ( pprefix )
		strcpy ( mprefix,pprefix );
	else
		memset ( mprefix,0,sizeof ( mprefix ) );

	memset ( mfilea,0,sizeof ( mfilea ) );
	memset ( mfileb,0,sizeof ( mfileb ) );
	memset ( mfilec,0,sizeof ( mfilec ) );

	memset ( mlogdir,0,sizeof ( mlogdir ) );

}

ulog::~ulog()
{
	if ( m_fpalog )
		fclose ( m_fpalog );
	if ( m_fpblog )
		fclose ( m_fpblog );
	if ( m_fpclog )
		fclose ( m_fpclog );
}

int ulog::createulog()
{
	struct tm * lt;
	time_t tick;
	char date[32];

	tick = time ( NULL );
	lt = localtime ( &tick );
	sprintf ( date, "%04d-%02d-%02d",
	          lt->tm_year+1900,lt->tm_mon+1,lt->tm_mday );

	char filea[FILE_NAME_LEN];
	char fileb[FILE_NAME_LEN];
	char filec[FILE_NAME_LEN];

	if ( strlen ( mprefix ) == 0 )
		strcpy ( mprefix,"btbbt" );

#ifdef CREATE_ULOG_FILE_C
	snprintf ( filec,sizeof ( filec ),"%s%s-%s[NORMAL].log",mlogdir,mprefix,date );

	if ( strlen ( mfilec ) ==0 )
	{
		strcpy ( mfilec,filec );
		m_fpclog = fopen ( filec,"w+" );
		if ( !m_fpclog )
			return -1;
	}
	else if ( strcmp ( mfilec,filec ) )
	{
		fclose ( m_fpclog );
		strcpy ( mfilec,filec );
		m_fpclog = fopen ( filec,"w+" );
		if ( !m_fpclog )
			return -1;
	}
#endif

#ifdef CREATE_ULOG_FILE_B
	snprintf ( fileb,sizeof ( fileb ),"%s%s-%s[ILLEGAL].log",mlogdir,mprefix,date );

	if ( strlen ( mfileb ) ==0 )
	{
		strcpy ( mfileb,fileb );
		m_fpblog = fopen ( fileb,"w+" );
		if ( !m_fpblog )
			return -1;
	}
	else if ( strcmp ( mfileb,fileb ) )
	{
		fclose ( m_fpblog );
		strcpy ( mfileb,fileb );
		m_fpblog = fopen ( fileb,"w+" );
		if ( !m_fpblog )
			return -1;
	}
#endif

#ifdef CREATE_ULOG_FILE //default
	snprintf ( filea,sizeof ( filea ),"%s%s-%s[FATAL].log",mlogdir,mprefix,date );

	if ( strlen ( mfilea ) ==0 )
	{
		strcpy ( mfilea,filea );
		m_fpalog = fopen ( filea,"w+" );
		if ( !m_fpalog )
			return -1;
	}
	else if ( strcmp ( mfilea,filea ) )
	{
		fclose ( m_fpalog );
		strcpy ( mfilea,filea );
		m_fpalog = fopen ( filea,"w+" );
		if ( !m_fpalog )
			return -1;
	}
#endif

	return 0;
}

int ulog::addmsg ( const char *pmsg )
{
	if ( strlen ( mlogdir ) == 0 )
		return 0;

	struct tm * lt;
	time_t tick;
	char fdate[32];

	tick = time ( NULL );
	lt = localtime ( &tick );
	sprintf ( fdate, "%04d-%02d-%02d %02d:%02d:%02d",
	          lt->tm_year+1900,lt->tm_mon+1,lt->tm_mday,lt->tm_hour,lt->tm_min,lt->tm_sec );


	if ( m_fpalog )
	{
		fprintf ( m_fpalog, "[%s]:%s\n", fdate,pmsg );
		fflush ( m_fpalog );
	}

	return 0;
}

int ulog::addmsg ( const char* pmsg,int msglevel )
{
	if ( strlen ( mlogdir ) == 0 )
		return 0;

	struct tm * lt;
	time_t tick;
	char fdate[32];

	tick = time ( NULL );
	lt = localtime ( &tick );
	sprintf ( fdate, "%04d-%02d-%02d %02d:%02d:%02d",
	          lt->tm_year+1900,lt->tm_mon+1,lt->tm_mday,lt->tm_hour,lt->tm_min,lt->tm_sec );


	switch ( msglevel )
	{
		case 0:
			if ( m_fpclog )
			{
				fprintf ( m_fpclog, "[%s]:%s\n", fdate,pmsg );
				fflush ( m_fpalog );
			}

			break;
		case 1:
			if ( m_fpblog )
			{
				fprintf ( m_fpblog, "[%s]:%s\n", fdate,pmsg );
				fflush ( m_fpalog );
			}

			break;
		default:
			if ( m_fpalog )
			{
				fprintf ( m_fpalog, "[%s]:%s\n", fdate,pmsg );
				fflush ( m_fpalog );
			}

	}

	return 0;
}

int ulog::setulogdir ( char *plogdir )
{
	if ( access ( plogdir,W_OK ) <0 )
	{
		if ( mkdir ( plogdir,0744 ) <0 )
			return -1;
	}
	strcpy ( mlogdir,plogdir );
	if ( mlogdir[strlen ( mlogdir )-1]!='/' )
		strcat ( mlogdir,"/" );
	return 0;
}

int ulog::lock()
{
	if ( pthread_mutex_lock ( &_mutex ) != 0 )
		return -1;
}

int ulog::unlock()
{
	if ( pthread_mutex_unlock ( &_mutex ) != 0 )
		return -1;
}