thodg/cgminer/logging.c

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• Hash : d98e561a
  Author :
  Date : 2012-07-23T20:15:45
  

  Simplify code to a single vprintf path for curses-less printing

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• logging.c

• /*
   * Copyright 2011-2012 Con Kolivas
   *
   * 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 3 of the License, or (at your option)
   * any later version.  See COPYING for more details.
   */
  
  #include <unistd.h>
  
  #include "logging.h"
  #include "miner.h"
  
  bool opt_debug = false;
  bool opt_log_output = false;
  
  /* per default priorities higher than LOG_NOTICE are logged */
  int opt_log_level = LOG_NOTICE;
  
  static void my_log_curses(__maybe_unused int prio, char *f, va_list ap)
  {
  	if (opt_quiet && prio != LOG_ERR)
  		return;
  
  #ifdef HAVE_CURSES
  	extern bool use_curses;
  	if (use_curses && log_curses_only(prio, f, ap))
  		;
  	else
  #endif
  	{
  		int len = strlen(f);
  
  		strcpy(f + len - 1, "                    \n");
  
  		vprintf(f, ap);
  	}
  }
  
  static void log_generic(int prio, const char *fmt, va_list ap);
  
  void vapplog(int prio, const char *fmt, va_list ap)
  {
  	if (!opt_debug && prio == LOG_DEBUG)
  		return;
  	if (use_syslog || opt_log_output || prio <= LOG_NOTICE)
  		log_generic(prio, fmt, ap);
  }
  
  void applog(int prio, const char *fmt, ...)
  {
  	va_list ap;
  
  	va_start(ap, fmt);
  	vapplog(prio, fmt, ap);
  	va_end(ap);
  }
  
  
  /* high-level logging functions, based on global opt_log_level */
  
  /*
   * generic log function used by priority specific ones
   * equals vapplog() without additional priority checks
   */
  static void log_generic(int prio, const char *fmt, va_list ap)
  {
  #ifdef HAVE_SYSLOG_H
  	if (use_syslog) {
  		vsyslog(prio, fmt, ap);
  	}
  #else
  	if (0) {}
  #endif
  	else {
  		char *f;
  		int len;
  		struct timeval tv = {0, 0};
  		struct tm *tm;
  
  		gettimeofday(&tv, NULL);
  
  		tm = localtime(&tv.tv_sec);
  
  		len = 40 + strlen(fmt) + 22;
  		f = alloca(len);
  		sprintf(f, " [%d-%02d-%02d %02d:%02d:%02d] %s\n",
  			tm->tm_year + 1900,
  			tm->tm_mon + 1,
  			tm->tm_mday,
  			tm->tm_hour,
  			tm->tm_min,
  			tm->tm_sec,
  			fmt);
  		/* Only output to stderr if it's not going to the screen as well */
  		if (!isatty(fileno((FILE *)stderr))) {
  			va_list apc;
  
  			va_copy(apc, ap);
  			vfprintf(stderr, f, apc);	/* atomic write to stderr */
  			fflush(stderr);
  		}
  
  		my_log_curses(prio, f, ap);
  	}
  }
  /* we can not generalize variable argument list */
  #define LOG_TEMPLATE(PRIO)		\
  	if (PRIO <= opt_log_level) {	\
  		va_list ap;		\
  		va_start(ap, fmt);	\
  		vapplog(PRIO, fmt, ap);	\
  		va_end(ap);		\
  	}
  
  void log_error(const char *fmt, ...)
  {
  	LOG_TEMPLATE(LOG_ERR);
  }
  
  void log_warning(const char *fmt, ...)
  {
  	LOG_TEMPLATE(LOG_WARNING);
  }
  
  void log_notice(const char *fmt, ...)
  {
  	LOG_TEMPLATE(LOG_NOTICE);
  }
  
  void log_info(const char *fmt, ...)
  {
  	LOG_TEMPLATE(LOG_INFO);
  }
  
  void log_debug(const char *fmt, ...)
  {
  	LOG_TEMPLATE(LOG_DEBUG);
  }
  

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