errlog.c

读写INI文件的函数已经日志记载

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <string.h>

#define E_OK       1
#define E_FAIL     -1
#define FILE_SIZE_MAX 1000000
#define   STR_LEN     128

typedef struct {
         char   year[5];
         char   month[3];
         char   day[3];
         char   hour[3];
         char   minute[3];
         char   second[3];
}CB_TIME;

void
Get_Time_Str( char _time_str[128]  )
{
    CB_TIME              cb_time;
    char                 str_tmp[30];
    time_t               itm;
    struct tm            *stm;


   memset( &cb_time,0x00, sizeof( CB_TIME ) );

   itm = time( 0 );
   stm = localtime( &itm );
   strftime( cb_time.year,  5, "%Y", stm );
   strftime( cb_time.month, 3, "%m", stm );
   strftime( cb_time.day,   3, "%d", stm );
   strftime( cb_time.hour,  3, "%H", stm );
   strftime( cb_time.minute,3, "%M", stm );
   strftime( cb_time.second,3, "%S", stm );


   memset( str_tmp, '*', 29 ); str_tmp[29] = '\0';
   sprintf( _time_str, "%s %s/%s/%s %s:%s:%s %s\n", \
            str_tmp, cb_time.year, cb_time.month, cb_time.day, \
            cb_time.hour, cb_time.minute, cb_time.second, str_tmp );


}


void
GetTime( char _time_str[128]  )
{
    CB_TIME              cb_time;
    char                 str_tmp[30];
    time_t               itm;
    struct tm            *stm;


   memset( &cb_time,0x00, sizeof( CB_TIME ) );

   itm = time( 0 );
   stm = localtime( &itm );
   strftime( cb_time.year,  5, "%Y", stm );
   strftime( cb_time.month, 3, "%m", stm );
   strftime( cb_time.day,   3, "%d", stm );
   strftime( cb_time.hour,  3, "%H", stm );
   strftime( cb_time.minute,3, "%M", stm );
   strftime( cb_time.second,3, "%S", stm );

   sprintf( _time_str, "%s%s%s%s%s%s", cb_time.year, cb_time.month, cb_time.day ,  \
                                       cb_time.hour, cb_time.minute,cb_time.second );

}

void
GetYMD( char _time_str[128]  )
{
    CB_TIME              cb_time;
    char                 str_tmp[30];
    time_t               itm;
    struct tm            *stm;


   memset( &cb_time,0x00, sizeof( CB_TIME ) );

   itm = time( 0 );
   stm = localtime( &itm );
   strftime( cb_time.year,  5, "%Y", stm );
   strftime( cb_time.month, 3, "%m", stm );
   strftime( cb_time.day,   3, "%d", stm );
   strftime( cb_time.hour,  3, "%H", stm );
   strftime( cb_time.minute,3, "%M", stm );
   strftime( cb_time.second,3, "%S", stm );

   sprintf( _time_str, "%s-%s-%s", cb_time.year, cb_time.month, cb_time.day  );

}



void
Get_minu( char _time_str[128]  )
{
    CB_TIME              cb_time;
    char                 str_tmp[30];
    time_t               itm;
    struct tm            *stm;


   memset( &cb_time,0x00, sizeof( CB_TIME ) );

   itm = time( 0 );
   stm = localtime( &itm );
   strftime( cb_time.year,  5, "%Y", stm );
   strftime( cb_time.month, 3, "%m", stm );
   strftime( cb_time.day,   3, "%d", stm );
   strftime( cb_time.hour,  3, "%H", stm );
   strftime( cb_time.minute,3, "%M", stm );
   strftime( cb_time.second,3, "%S", stm );

   sprintf( _time_str, "%s", cb_time.minute  );

}



void
Get_hour( char _time_str[128]  )
{
    CB_TIME              cb_time;
    char                 str_tmp[30];
    time_t               itm;
    struct tm            *stm;


   memset( &cb_time,0x00, sizeof( CB_TIME ) );

   itm = time( 0 );
   stm = localtime( &itm );
   strftime( cb_time.year,  5, "%Y", stm );
   strftime( cb_time.month, 3, "%m", stm );
   strftime( cb_time.day,   3, "%d", stm );
   strftime( cb_time.hour,  3, "%H", stm );
   strftime( cb_time.minute,3, "%M", stm );
   strftime( cb_time.second,3, "%S", stm );

   sprintf( _time_str, "%s", cb_time.hour  );

}



int
Errlog ( char *_file, int _line, char *Err_msg )
{
     FILE          *Err_File;
     long          File_Size;
     struct stat   file_stat;
     char          str_time[128];     
     char          yyyymmdd[32];     
     char          FILE_NAME[ 128 ];


     memset( FILE_NAME,0x00,128 );
     memset( yyyymmdd,0x00,32 );
     GetYMD( yyyymmdd );

     sprintf( FILE_NAME,"%s/log/Recv_Data_%s.log",getenv("HOME"),yyyymmdd );

     if(( Err_File = fopen( FILE_NAME, "a+" ) ) == NULL ) 
          return E_FAIL;

     if( stat( FILE_NAME,&file_stat ) == -1 ) 
         return E_FAIL ;

     File_Size = file_stat.st_size ;
     if( File_Size > FILE_SIZE_MAX )
         truncate( _file,0 );

     Get_Time_Str( str_time );
     fprintf( Err_File,"%s\n", str_time );

     fprintf( Err_File,"\nLogmsg :   [%s]\n",Err_msg ); 
     
     fclose( Err_File ) ;    
     return E_OK;
}


int
Getted_Log ( char *_file, int _line, char *Err_msg )
{
     FILE          *Err_File;
     long          File_Size;
     struct stat   file_stat;
     char          str_time[128];     
     char          yyyymmdd[32];     
     char          FILE_NAME[ 128 ];


     memset( FILE_NAME,0x00,128 );
     memset( yyyymmdd,0x00,32 );
     GetYMD( yyyymmdd );

     sprintf( FILE_NAME,"%s/log/Getted_File_%s.log",getenv("HOME"),yyyymmdd );

     if(( Err_File = fopen( FILE_NAME, "a+" ) ) == NULL ) 
          return E_FAIL;

     if( stat( FILE_NAME,&file_stat ) == -1 ) 
         return E_FAIL ;

     File_Size = file_stat.st_size ;
     if( File_Size > FILE_SIZE_MAX )
         truncate( _file,0 );

    /***
     Get_Time_Str( str_time );
     fprintf( Err_File,"%s\n", str_time );

    ***/
     fprintf( Err_File,"[%s]\n",Err_msg ); 
     
     fclose( Err_File ) ;    
     return E_OK;
}



int
read_config( char *filename, char *section_name,char *val_name,char *str_ret ) {
   FILE        *fp;
   char        str_buf[STR_LEN],str_tmp[ STR_LEN ];
   int         i,find_sec = 0 ;
   char        conf_sec_name[50],conf_val_name[50]; 
   char        *p = NULL,*p_sec = NULL;
  
   if(( fp = fopen( filename,"r" ) ) == NULL ) {
        Errlog( __FILE__,__LINE__,"fopen in read_config " ) ;
        return   E_FAIL;
   }
   
   memset( str_buf ,0x00,STR_LEN  ) ;
   memset( str_tmp ,0x00,STR_LEN  ) ;

   while( 1 ) {
       
       memset( conf_sec_name,0x00,50+1 );
       memset( conf_val_name,0x00,50+1 );   

       if( fgets( str_buf,STR_LEN,fp ) == NULL ) {
            Errlog( __FILE__,__LINE__,"fgets in read config " ) ;
            Errlog( __FILE__,__LINE__,str_buf ) ;
            break ;
       }
 
       if( str_buf[0] =='[' ) {
             if(( p_sec = strchr( str_buf, ']' )) == NULL ) {
                   Errlog( __FILE__,__LINE__, "strchr in read conf" );          
                   break;
             }
   
             strncpy( conf_sec_name,&str_buf[1] ,p_sec - &str_buf[1] );

             if( strcmp(  conf_sec_name,section_name ) == 0 )
                  find_sec = 1 ;
       } 

        if( find_sec != 1 ) 
              continue ;
            
        if( fgets( str_tmp, STR_LEN, fp ) == NULL ) {
              Errlog( __FILE__,__LINE__," fgets in second in read conf" );
              break;
         }
                
         for( i = 0 ; i < STR_LEN ; i++ ) 
             if( str_tmp[i] =='\n' || str_tmp[i] =='\r' )
                    str_tmp[i] = '\0' ;        

          while( str_tmp[0] !='[' ) {
                if(( p = strchr( str_tmp,'=' )) == NULL )  {
                     break;
                 }
                 strncpy( conf_val_name,&str_tmp[0] ,p - &str_tmp[0] );

                 if( strcmp( conf_val_name,val_name ) == 0 ) {
                      p = p + 1;
                      strcpy( str_ret, p ) ; 
                      return E_OK ;
                  }
           
                 memset( str_tmp, 0x00, STR_LEN ) ;
                   
                 if( fgets( str_tmp, STR_LEN, fp ) == NULL ) {
                   Errlog( __FILE__,__LINE__," fgets in second in read conf" );
                   break;
                 }
                
              for( i = 0 ; i < STR_LEN ; i++ ) 
                 if( str_tmp[i] =='\n' || str_tmp[i] =='\r' )
                      str_tmp[i] = '\0' ;        
        } //while
     } //while 

     if( find_sec == 0 ) 
           return   E_FAIL;
     return  E_OK ;
}



int 
daemon_init( void ) {
    pid_t    pid ;
    
    if( ( pid = fork( ) ) < 0 )
         return  E_FAIL ;
    else if( pid != 0 )      /* in parent  */
         exit( 0 ) ;
    
    /* in  child process */
    setsid( ) ;
    chdir( "/" ) ;
    umask( 0 ) ;
    return E_OK ;
}