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/* Copyright (C) 2008 PrimeBase Technologies GmbH, Germany
*
* PrimeBase Media Stream for MySQL
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Original author: Paul McCullagh (H&G2JCtL)
* Continued development: Barry Leslie
*
* 2007-05-20
*
* CORE SYSTEM:
* General logging class
*
*/
#pragma once
#ifndef __CSLOG_H__
#define __CSLOG_H__
#include <stdio.h>
#include <stdarg.h>
#include "CSDefs.h"
#include "CSString.h"
class CSLog {
public:
static const int Protocol = 0;
static const int Error = 1;
static const int Warning = 2;
static const int Trace = 3;
CSLog(FILE *s, int level):
iStream(s),
iHeaderPending(true),
iLogLevel(level),
iLockCount(0)
{
pthread_mutex_init(&iMutex, NULL);
memset(&iLockThread, 0, sizeof(iLockThread));
}
virtual ~CSLog() {
memset(&iLockThread, 0, sizeof(iLockThread));
iLockCount = 0;
pthread_mutex_destroy(&iMutex);
}
void lock() {
pthread_t thd = pthread_self();
if (iLockCount > 0 && pthread_equal(iLockThread, thd))
iLockCount++;
else {
pthread_mutex_lock(&iMutex);
iLockThread = thd;
iLockCount = 1;
}
}
void unlock() {
if (iLockCount > 0) {
iLockCount--;
if (iLockCount == 0)
pthread_mutex_unlock(&iMutex);
}
}
void getNow(char *buffer, size_t len);
void log(CSThread *self, const char *func, const char *file, int line, int level, const char* buffer);
void log(CSThread *self, int level, const char*);
void log(CSThread *self, int level, CSString&);
void log(CSThread *self, int level, CSString*);
void log(CSThread *self, int level, int);
void eol(CSThread *self, int level);
void logLine(CSThread *self, int level, const char *buffer);
void log_va(CSThread *self, int level, const char *func, const char *file, int line, const char *fmt, va_list ap);
void logf(CSThread *self, int level, const char *fmt, ...);
void logf(CSThread *self, int level, const char *func, const char *file, int line, const char *fmt, ...);
void flush() {fflush(iStream);}
private:
/* Write out a logging header: */
void header(CSThread *self, const char *func, const char *file, int line, int level);
/* The output stream: */
FILE *iStream;
bool iHeaderPending; /* True if we must write a header before the next text. */
int iLogLevel; /* The current log level. */
pthread_t iLockThread;
int iLockCount;
pthread_mutex_t iMutex;
};
extern CSLog CSL;
#endif
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