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/*
* debuglog.c -- parallel debug logging for epic5
*
* Copyright 2013 EPIC Software Labs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notices, the above paragraph (the one permitting redistribution),
* this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of the author(s) may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* So here's the plan...
* Sometimes it is hard to debug the screen output of epic, because you
* have to output *something* and if the output routines are screwed up,
* then how can you output something to say something is wrong?
*
* Anyways, this is a general purpose extensible debug logging system
* that I will start using to log things that I can't put to the screen.
* Then I can just tail -f the logfile in another window.
*
* For better or for worse, this file is included from commands.c
*/
static FILE * debuglogf = NULL;
static int counter = 0;
BUILT_IN_COMMAND(debuglogcmd)
{
char * arg;
if (!(arg = next_arg(args, &args)))
{
if (debuglogf == NULL)
say("Debug log is OFF");
else
say("Debug log is ON");
}
else if (!my_stricmp(arg, "ON"))
{
if (debuglogf == NULL)
{
if (!(debuglogf = fopen("debug.log", "a")))
{
yell("Cannot open debug.log. help!");
return;
}
debuglog("Log file opened");
}
say("Debug log is ON (debug.log)");
}
else if (!my_stricmp(arg, "OFF"))
{
debuglog("Log file closed");
if (debuglogf != NULL)
{
fclose(debuglogf);
debuglogf = NULL;
}
say("Debug log is OFF");
}
}
int debuglog (const char *format, ...)
{
char timebuf[10240];
struct timeval xnow;
time_t sec;
struct tm *tm;
if (debuglogf && format)
{
va_list args;
va_start (args, format);
get_time(&xnow);
sec = xnow.tv_sec;
tm = localtime(&sec);
strftime(timebuf, 10240, "%F %T", tm);
fprintf(debuglogf, "[%s.%04ld] ", timebuf, xnow.tv_usec / 1000);
vfprintf(debuglogf, format, args);
va_end(args);
fprintf(debuglogf, "\n");
fflush(debuglogf);
return 0;
}
return -1;
}
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