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/* $Id$
*/
#ifndef _log_h_
#define _log_h_
#include <ostream.h>
#include <syslog.h>
/**
* A streambuffer, logging via syslog
*
* logbuf can be used, if you want to use syslog for
* logging but don't want to change all your nice
* C++-style output statements in your code.
*
* Here is an example showing the usage of logbuf:
*
* <PRE>
* openlog("myDaemon", LOG_CONS|LOG_PID, LOG_DAEMON);
* logbuf ebuf(LOG_ERR);
* ostream lerr(&ebuf);
*
* ... some code ...
*
* lerr << "Whoops, got an error" << endl;
* </PRE>
*/
class logbuf : public streambuf {
public:
/**
* Constructs a new instance.
*
* @param level The log level for this instance.
* see syslog(3) for symbolic names to use.
*/
logbuf(int level);
/**
* Called by the associated
* ostream to write a character.
* Stores the character in a buffer
* and calls syslog(level, buffer)
* whenever a LF is seen.
*/
int overflow(int c = EOF);
private:
/**
* Pointer to next char in buffer.
*/
char *ptr;
/**
* Current length of buffer.
*/
unsigned int len;
/**
* The log level to use with syslog.
*/
int level;
/**
* The internal buffer for holding
* messages.
*/
char buf[1024];
};
#endif
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