logger.c

/* Author: Kris Burney
 *
 * Logger file for holding functions pertaining to loging to a file.
 */
#include "logger.h"
#include <stdio.h>

int quadlog_file;

int createLogFile(int argc, char* argv)
{
	char log_file[300] = {'l', 'o', 'g','s', '/'};
	if(argc >= 2)
	{
		strcat(log_file, argv);
		printf("Creating log file '%s'...\n",log_file);
		quadlog_file = open(log_file, O_WRONLY | O_CREAT, 0666);
		return quadlog_file;
	}
	else
	{
		time_t rawtime;
		char timestr [30];
		time(&rawtime);
		sprintf(timestr,"%s",ctime(&rawtime));

		// Lets convert space to _ in
		char *p = timestr;
		int i = 0;
		while(i < strlen(timestr))
		{ 
		    if (*p == ' ')
		          *p = '_';
			i++;
			p++;
		}

		// timestr has a weird char at the end of it.
		// we will not include it in our file name
		strncat(log_file, timestr, strlen(timestr) -1 );
		strcat(log_file, ".txt");
		printf("Creating log file '%s'...\n",log_file);
		quadlog_file = open(log_file, O_WRONLY | O_CREAT, 0666);
		return quadlog_file;
	}
}

int updateLogFile(const struct ucart_vrpn_TrackerData * td)
{
	return dprintf(quadlog_file, "FPS: %lf Pos (xyz): (%lf %lf %lf) Att (pry): (%lf %lf %lf)\n",
		td->fps, td->x, td->y, td->z, td->pitch, td->roll, td->yaw);
}

int writeStringToLog(const char * string)
{
	return dprintf(quadlog_file, "%s", string);
}