/* $Id: seti.c,v 1.9 2003/08/24 05:17:58 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 1.9  2003/08/24 05:17:58  reinelt * liblcd4linux patch from Patrick Schemitz * * Revision 1.8  2003/06/13 05:11:11  reinelt * error message cosmetics * * Revision 1.7  2003/02/22 07:53:10  reinelt * cfg_get(key,defval) * * Revision 1.6  2001/09/12 05:37:22  reinelt * * fixed a bug in seti.c (file was never closed, lcd4linux run out of fd's * * improved socket debugging * * Revision 1.5  2001/08/05 17:13:29  reinelt * * cleaned up inlude of sys/time.h and time.h * * 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 <time.h>#include <sys/ioctl.h>#include <sys/types.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",NULL);    if (dir==NULL || *dir=='\0') {      error ("no 'SetiDir' entry in %s!\n", cfg_source());      fd=-1;      return -1;    }    if (strlen(dir)>sizeof(fn)-sizeof(STATEFILE)-2) {      error ("entry 'SetiDir' too long in %s!\n", cfg_source());      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));    close (fd);    fd=-1;    return -1;  }  close (fd);    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;}