/* ------------------------------------------------------------------------- * log.h - logging defs * Copyright (C) 2008 Dimitar Atanasov <datanasov@deisytechbg.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * ------------------------------------------------------------------------- */#ifndef __LOG_H#define __LOG_H#include <stdio.h>#include <semaphore.h>#define LOGLINE_MAX 1024#define DEBUG 1#define INFO  2#define WARN  3#define ERROR 4#define FATAL 5#define SEND  6#define RECV  7#define LOG_TRUNC   1<<0#define LOG_NODATE  1<<1#define LOG_NOLF    1<<2#define LOG_NOLVL   1<<3#define LOG_DEBUG   1<<4#define LOG_STDERR  1<<5#define LOG_NOTID   1<<6#define LOG_FILENAME "bms_con.log" //stderr#define LOG_FLAGS	LOG_STDERR	//flags - The bitwise 'or' of zero or more of the following flags: 						//          LOG_TRUNC   - Truncates the logfile on opening 						//          LOG_NODATE  - Omits the date from each line of the log 						//          LOG_NOLF    - Keeps from inserting a trailing '\n' when you don't. 						//          LOG_NOLVL   - Keeps from inserting a log level indicator. 						//          LOG_STDERR  - Sends log data to stderr as well as to the log. 						//                        (this not implemented yet)//typedef struct {    //int fd;    //sem_t sem;    //int flags;//} log_t;class log_t {	int fd;	sem_t sem;	int flags;public:	log_t(int nLogFlags, const char* pszFileName);	~log_t();	int lprintf( unsigned int level, const char *fmt, ... );	void rotate(int nLogFlags, const char* pszFileName);};/* * Logs to the logfile using printf()-like format strings. * * log_t - The value you got back from a log_open() call. * level - can be one of: DEBUG, INFO, WARN, ERROR, FATAL * fmt   - is a printf()-like format string, followed by the parameters. * * Returns 0 on success, or -1 on failure. *///int lprintf( log_t *log, unsigned int level, char *fmt, ... );/* * Initializes the logfile to be written to with fprintf(). * * fname - The name of the logfile to write to * flags - The bitwise 'or' of zero or more of the following flags: *          LOG_TRUNC   - Truncates the logfile on opening *          LOG_NODATE  - Omits the date from each line of the log *          LOG_NOLF    - Keeps from inserting a trailing '\n' when you don't. *          LOG_NOLVL   - Keeps from inserting a log level indicator. *          LOG_STDERR  - Sends log data to stderr as well as to the log. *                        (this not implemented yet) * * Returns NULL on failure, and a valid log_t (value > 0) on success. *///log_t *log_open( char *fname, int flags );/* * Closes a logfile when it's no longer needed * * log  - The log_t corresponding to the log you want to close *///void log_close( log_t *log );#endif