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-rw-r--r--plugin_cpuinfo.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/plugin_cpuinfo.c b/plugin_cpuinfo.c
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+/* $Id: plugin_cpuinfo.c,v 1.1 2004/01/13 10:03:01 reinelt Exp $
+ *
+ * plugin for /proc/cpuinfo parsing
+ *
+ * Copyright 2003 Michael Reinelt <reinelt@eunet.at>
+ * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.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_cpuinfo.c,v $
+ * Revision 1.1 2004/01/13 10:03:01 reinelt
+ * new util 'hash' for associative arrays
+ * new plugin 'cpuinfo'
+ *
+ */
+
+/*
+ * exported functions:
+ *
+ * int plugin_init_cpuinfo (void)
+ * adds functions to access /proc/cpuinfo
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <time.h>
+
+#include "debug.h"
+#include "plugin.h"
+#include "hash.h"
+
+
+static void my_cpuinfo (RESULT *result, RESULT *arg1)
+{
+ static HASH CPUinfo = { 0, 0, NULL };
+
+ static time_t now=0;
+ char *key, *val;
+
+ // reread every second only
+ if (time(NULL)!=now) {
+ FILE *stream;
+
+ // destroy previous hash table
+ hash_destroy (&CPUinfo);
+
+ stream=fopen("/proc/cpuinfo", "r");
+ if (stream==NULL) {
+ error ("fopen(/proc/cpuinfo) failed: %s", strerror(errno));
+ goto error;
+ }
+
+ while (!feof(stream)) {
+ char buffer[256];
+ char *c;
+ 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
+ while (isspace(*--c)) *c='\0';
+ // 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 (&CPUinfo, key, val);
+
+ }
+
+ fclose (stream);
+
+ time(&now);
+ }
+
+ key=R2S(arg1);
+ val=hash_get(&CPUinfo, key);
+ if (val==NULL) val="";
+
+ error:
+ // val="";
+ SetResult(&result, R_STRING, val);
+}
+
+
+int plugin_init_cpuinfo (void)
+{
+ AddFunction ("cpuinfo", 1, my_cpuinfo);
+ return 0;
+}
+