/* $Id: plugin_seti.c,v 1.2 2004/03/13 19:06:01 reinelt Exp $ * * plugin for seti@home status reporting * * Copyright 2004 Michael Reinelt <reinelt@eunet.at> * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> * * based on the old seti client which is * Copyright 2001 Axel Ehnert <axel@ehnert.net> * * * This file is part of LCD4Linux. * * LCD4Linux 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. * * LCD4Linux 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: plugin_seti.c,v $ * Revision 1.2 2004/03/13 19:06:01 reinelt * ChangeLog and Status update; small glitch in plugin_seti fixed. * * Revision 1.1 2004/03/13 06:49:20 reinelt * seti@home plugin ported to NextGeneration * */ /* * exported functions: * * int plugin_init_seti (void) * adds functions to access /seti/state.sah * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <ctype.h> #include <errno.h> #include "debug.h" #include "plugin.h" #include "hash.h" #include "cfg.h" #define SECTION "Plugin:Seti" #define DIRKEY "Directory" #define STATEFILE "state.sah" static HASH SETI = { 0, }; static int fatal = 0; static int parse_seti (void) { static char fn[256] = ""; FILE *stream; int age; // if a fatal error occured, do nothing if (fatal != 0) return -1; // reread every 100 msec only age=hash_age(&SETI, NULL, NULL); if (age>0 && age<=100) return 0; if (fn[0] == '\0') { char *dir = cfg_get (SECTION, DIRKEY, NULL); if (dir == NULL || *dir == '\0') { error ("no '%s.%s' entry from %s\n", SECTION, DIRKEY, cfg_source()); fatal = 1; return -1; } if (strlen(dir) > sizeof(fn)-sizeof(STATEFILE)-2) { error ("entry '%s.%s' too long from %s!\n", SECTION, DIRKEY, cfg_source()); fatal = 1; free (dir); return -1; } strcpy (fn, dir); if (fn[strlen(fn)-1]!='/') strcat (fn, "/"); strcat (fn, STATEFILE); free (dir); } stream = fopen(fn, "r"); if (stream == NULL) { error ("fopen(%s) failed: %s", fn, strerror(errno)); return -1; } while (!feof(stream)) { char buffer[256]; char *c, *key, *val; fgets (buffer, sizeof(buffer), stream); c=strchr(buffer, '='); if (c==NULL) continue; key=buffer; val=c+1; // strip leading blanks from key while (isspace(*key)) *key++='\0'; // strip trailing blanks from key do *c='\0'; while (isspace(*--c)); // strip leading blanks from value while (isspace(*val)) *val++='\0'; // strip trailing blanks from value for (c=val; *c!='\0';c++); while (isspace(*--c)) *c='\0'; // add entry to hash table hash_set (&SETI, key, val); } fclose (stream); return 0; } static void my_seti (RESULT *result, RESULT *arg1) { char *key, *val; if (parse_seti()<0) { SetResult(&result, R_STRING, ""); return; } key=R2S(arg1); val=hash_get(&SETI, key); if (val==NULL) val=""; SetResult(&result, R_STRING, val); } int plugin_init_seti (void) { AddFunction ("seti", 1, my_seti); return 0; } void plugin_exit_seti(void) { hash_destroy(&SETI); }