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8693355bca
plugin_ppp finished. git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@343 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
133 lines
3.0 KiB
C
133 lines
3.0 KiB
C
/* $Id: plugin_ppp.c,v 1.2 2004/01/28 06:43:31 reinelt Exp $
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*
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* plugin for ppp throughput
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*
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* Copyright 2003 Michael Reinelt <reinelt@eunet.at>
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* Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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*
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* This file is part of LCD4Linux.
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*
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LCD4Linux is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* $Log: plugin_ppp.c,v $
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* Revision 1.2 2004/01/28 06:43:31 reinelt
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* plugin_ppp finished.
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*
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* Revision 1.1 2004/01/27 08:13:39 reinelt
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* ported PPP token to plugin_ppp
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*
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*/
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/*
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* exported functions:
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*
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* int plugin_init_ppp (void)
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* adds ppp() function
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#ifdef HAVE_NET_IF_PPP_H
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#include <net/if_ppp.h>
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#else
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#warning if_ppp.h not found. PPP support deactivated.
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#endif
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#include "debug.h"
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#include "plugin.h"
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#include "hash.h"
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#ifdef HAVE_NET_IF_PPP_H
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static HASH PPP = { 0, };
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static int get_ppp_stats (void)
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{
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int age;
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int unit;
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unsigned ibytes, obytes;
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static int fd=-2;
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struct ifpppstatsreq req;
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char key[16], val[16];
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// reread every 10 msec only
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age=hash_age(&PPP, NULL, NULL);
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if (age>0 && age<=10) return 0;
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// open socket only once
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if (fd==-2) {
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fd = socket(AF_INET, SOCK_DGRAM, 0);
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if (fd==-1) {
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error ("socket() failed: %s", strerror(errno));
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return -1;
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}
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}
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for (unit=0; unit<8; unit++) {
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memset (&req, 0, sizeof (req));
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req.stats_ptr = (caddr_t) &req.stats;
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snprintf (req.ifr__name, sizeof(req.ifr__name), "ppp%d", unit);
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if (ioctl(fd, SIOCGPPPSTATS, &req) == 0) {
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ibytes=req.stats.p.ppp_ibytes;
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obytes=req.stats.p.ppp_obytes;
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} else {
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ibytes=obytes=0;
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}
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snprintf (key, sizeof(key), "Rx:%d", unit);
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snprintf (val, sizeof(val), "%d", ibytes);
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hash_set_delta (&PPP, key, val);
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snprintf (key, sizeof(key), "Tx:%d", unit);
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snprintf (val, sizeof(val), "%d", obytes);
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hash_set_delta (&PPP, key, val);
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}
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return 0;
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}
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static void my_ppp (RESULT *result, RESULT *arg1, RESULT *arg2)
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{
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double value;
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if (get_ppp_stats()<0) {
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SetResult(&result, R_STRING, "");
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return;
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}
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value=hash_get_delta(&PPP, R2S(arg1), R2N(arg2));
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SetResult(&result, R_NUMBER, &value);
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}
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#endif
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int plugin_init_ppp (void)
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{
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#ifdef HAVE_NET_IF_PPP_H
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AddFunction ("ppp", 3, my_ppp);
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#endif
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return 0;
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}
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