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/*
* logdefs.h: Logging and debug output
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: logdefs.h,v 1.6 2007-03-08 13:50:48 phintuka Exp $
*
*/
#ifndef _LOGDEFS_H_
/*
* Default module name (goes to every log line)
*/
#ifndef LOG_MODULENAME
# define LOG_MODULENAME "[xine..put] "
#endif
/*
* Logging functions, should not be used directly
*/
#if defined(esyslog) || (defined(VDRVERSNUM) && VDRVERSNUM >= 10343)
# define x_syslog(l,x...) syslog_with_tid(l, LOG_MODULENAME x)
#else
# ifndef __APPLE__
# include <linux/unistd.h> /* syscall(__NR_gettid) */
# endif
/* from xine_frontend.c or vdr tools.c: */
extern int SysLogLevel; /* errors, info, debug */
# ifndef LogToSysLog
extern int LogToSysLog; /* xine_frontend_c, log to syslog instead of console */
# endif
# if defined(NEED_x_syslog)
# include <syslog.h>
# include <sys/syscall.h>
# include <stdarg.h>
static void x_syslog(int level, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
static void x_syslog(int level, const char *fmt, ...)
{
va_list argp;
char buf[512];
va_start(argp, fmt);
vsnprintf(buf, 512, fmt, argp);
# ifndef __APPLE__
if(!LogToSysLog) {
fprintf(stderr,"[%ld] " LOG_MODULENAME "%s\n", syscall(__NR_gettid), buf);
} else {
syslog(level, "[%ld] " LOG_MODULENAME "%s", syscall(__NR_gettid), buf);
}
# else
if(!LogToSysLog) {
fprintf(stderr, LOG_MODULENAME "%s\n", buf);
} else {
syslog(level, LOG_MODULENAME "%s", buf);
}
# endif
va_end(argp);
}
# endif /* NEED_x_syslog */
#endif /* VDR */
/*
* Macros used for logging
*/
#include <errno.h>
#define LOG_ERRNO x_syslog(LOG_ERR, " (ERROR (%s,%d): %s)", \
__FILE__, __LINE__, strerror(errno))
#define LOGERR(x...) do { \
if(SysLogLevel > 0) { \
x_syslog(LOG_ERR, x); \
if(errno) \
LOG_ERRNO; \
} \
} while(0)
#define LOGMSG(x...) do{ if(SysLogLevel > 1) x_syslog(LOG_INFO, x); } while(0)
#define LOGDBG(x...) do{ if(SysLogLevel > 2) x_syslog(LOG_DEBUG, x); } while(0)
#define TRACELINE LOGDBG("at %s:%d %s", __FILE__, __LINE__, __FUNCTION__)
/*
* ASSERT
*/
#ifdef NDEBUG
# define ASSERT(expr)
#else
# define ASSERT(expr,fatal) \
do { \
if(!(expr)) { \
LOGERR("Asseretion failed: %s at %s:%d (%s)", \
#expr, __FILE__, __LINE__, __FUNCTION__); \
if(fatal) \
abort(); \
} \
} while(0)
#endif
/*
* Plugin (call)trace
*/
#ifdef XINELIBOUTPUT_DEBUG
# ifdef __cplusplus
#
# include <fstream>
# include <iostream>
# include <stdio.h>
#
# ifndef TRACE_IDENT
# define TRACE_IDENT ""
# endif
# if defined(XINELIBOUTPUT_DEBUG_STDOUT)
# define TRACE(x) do {std::cout << TRACE_IDENT << x << "\n"; fflush(stdout);}while(0)
# elif defined(XINELIBOUTPUT_DEBUG_STDERR)
# define TRACE(x) do {std::cerr << TRACE_IDENT << x << "\n"; fflush(stderr);}while(0)
# else
# error No trace target !
# endif
# define TRACEF(x) cTraceFunctionCall _x_cTraceFunctionCall(x);
class cTraceFunctionCall {
public:
const char *m_name;
cTraceFunctionCall(const char *name) : m_name(name)
{ TRACE(m_name << " - Enter"); }
~cTraceFunctionCall()
{ TRACE(m_name << " - Leave "); }
};
# endif
#else
# define TRACE(x)
# define TRACEF(x)
#endif
/*
* Execution time tracker:
* log a message when function execution takes longer than expected
*/
#ifdef __cplusplus
# ifdef TRACK_EXEC_TIME
class cTimeTracker
{
private:
const char *m_Message;
const char *m_Where;
uint64_t m_Start;
uint64_t m_Trigger;
public:
cTimeTracker(const char *Message, int TriggerMs, const char *Where) {
m_Message = Message;
m_Where = Where;
m_Trigger = TriggerMs;
m_Start = cTimeMs::Now();
}
~cTimeTracker() {
if(cTimeMs::Now() - m_Start > m_Trigger)
LOGMSG("********** TimeTracker hit in %s: %d ms %s",
m_Where, (int)(cTimeMs::Now() - m_Start),
m_Message?m_Message:"");
}
};
# define TRACK_TIME(limit) cTimeTracker _timetracker(NULL,limit,__PRETTY_FUNCTION__)
# define TRACK_TIME_EXT(limit,msg) cTrimeTracker __timetracker(msg,limit,__PRETTY_FUNCTION__)
# else
# define TRACK_TIME(limit)
# define TRACK_TIME_EXT(limit,msg)
# endif
# endif
#endif /* _LOGDEFS_H_ */
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