/* $Id: seti.c,v 1.4 2001/03/08 09:02:04 reinelt Exp $
*
* seti@home specific functions
*
* Copyright 2001 by Axel Ehnert <Axel@Ehnert.net>
*
* 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 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* $Log: seti.c,v $
* Revision 1.4 2001/03/08 09:02:04 reinelt
*
* seti client cleanup
*
* Revision 1.3 2001/02/19 00:15:46 reinelt
*
* integrated mail and seti client
* major rewrite of parser and tokenizer to support double-byte tokens
*
* Revision 1.2 2001/02/18 21:16:06 reinelt
* *** empty log message ***
*
* Revision 1.1 2001/02/18 21:15:15 reinelt
*
* added setiathome client
*
*/
/*
* exported functions:
*
* Seti (int *perc, int *cput)
* returns 0 if ok, -1 if error
* sets *perc to the percentage completed by seti@home client
* sets *perc to the cpu time used
*
*/
#define STATEFILE "state.sah"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/time.h>
#include "cfg.h"
#include "debug.h"
#include "seti.h"
int Seti (double *perc, double *cput)
{
static char fn[256];
static time_t now=0;
static int fd=-2;
static double v1=0;
static double v2=0;
char buffer[8192], *p;
*perc=v1;
*cput=v2;
if (fd==-1) return -1;
if (time(NULL)==now) return 0;
time(&now);
if (fd==-2) {
char *dir=cfg_get("SetiDir");
if (dir==NULL || *dir=='\0') {
error ("%s: missing 'SetiDir' entry!\n", cfg_file());
fd=-1;
return -1;
}
if (strlen(dir)>sizeof(fn)-sizeof(STATEFILE)-2) {
error ("%s: 'SetiDir' too long!\n", cfg_file());
fd=-1;
return -1;
}
strcpy(fn, dir);
strcat(fn, "/");
strcat(fn, STATEFILE);
}
fd = open(fn, O_RDONLY);
if (fd==-1) {
error ("open(%s) failed: %s", fn, strerror(errno));
return -1;
}
if (read (fd, &buffer, sizeof(buffer)-1)==-1) {
error ("read(%s) failed: %s", fn, strerror(errno));
fd=-1;
return -1;
}
p=strstr(buffer, "prog=");
if (p==NULL) {
error ("parse(%s) failed: no 'prog=' line", fn);
fd=-1;
return -1;
}
if (sscanf(p+5, "%lf", &v1)!=1) {
error ("parse(%s) failed: unknown 'prog=' format", fn);
fd=-1;
return -1;
}
p=strstr(buffer, "cpu=");
if (p==NULL) {
error ("parse(%s) failed: no 'cpu=' line", fn);
fd=-1;
return -1;
}
if (sscanf(p+4, "%lf", &v2)!=1) {
error ("parse(%s) failed: unknown 'cpu=' format", fn);
fd=-1;
return -1;
}
*perc=v1;
*cput=v2;
return 0;
}