mirror of
https://github.com/netfun2000/lcd4linux.git
synced 2026-02-27 09:44:34 +08:00
a9d650fb4d
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@727 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/* $Id$
|
|
* $URL$
|
|
*
|
|
* plugin for ppp throughput
|
|
*
|
|
* Copyright (C) 2003 Michael Reinelt <reinelt@eunet.at>
|
|
* Copyright (C) 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* exported functions:
|
|
*
|
|
* int plugin_init_ppp (void)
|
|
* adds ppp() function
|
|
*
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#ifdef HAVE_NET_IF_PPP_H
|
|
#include <net/if_ppp.h>
|
|
#else
|
|
#warning if_ppp.h not found. PPP support deactivated.
|
|
#endif
|
|
|
|
#include "debug.h"
|
|
#include "plugin.h"
|
|
#include "qprintf.h"
|
|
#include "hash.h"
|
|
|
|
#ifdef HAVE_NET_IF_PPP_H
|
|
|
|
static HASH PPP;
|
|
|
|
static int get_ppp_stats(void)
|
|
{
|
|
int age;
|
|
int unit;
|
|
unsigned ibytes, obytes;
|
|
static int fd = -2;
|
|
struct ifpppstatsreq req;
|
|
char key[16], val[16];
|
|
|
|
/* reread every 10 msec only */
|
|
age = hash_age(&PPP, NULL);
|
|
if (age > 0 && age <= 10)
|
|
return 0;
|
|
|
|
/* open socket only once */
|
|
if (fd == -2) {
|
|
fd = socket(AF_INET, SOCK_DGRAM, 0);
|
|
if (fd == -1) {
|
|
error("socket() failed: %s", strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
for (unit = 0; unit < 8; unit++) {
|
|
memset(&req, 0, sizeof(req));
|
|
req.stats_ptr = (caddr_t) & req.stats;
|
|
qprintf(req.ifr__name, sizeof(req.ifr__name), "ppp%d", unit);
|
|
|
|
if (ioctl(fd, SIOCGPPPSTATS, &req) == 0) {
|
|
ibytes = req.stats.p.ppp_ibytes;
|
|
obytes = req.stats.p.ppp_obytes;
|
|
} else {
|
|
ibytes = obytes = 0;
|
|
}
|
|
qprintf(key, sizeof(key), "Rx:%d", unit);
|
|
qprintf(val, sizeof(val), "%d", ibytes);
|
|
hash_put_delta(&PPP, key, val);
|
|
qprintf(key, sizeof(key), "Tx:%d", unit);
|
|
qprintf(val, sizeof(val), "%d", obytes);
|
|
hash_put_delta(&PPP, key, val);
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void my_ppp(RESULT * result, RESULT * arg1, RESULT * arg2)
|
|
{
|
|
double value;
|
|
|
|
if (get_ppp_stats() < 0) {
|
|
SetResult(&result, R_STRING, "");
|
|
return;
|
|
}
|
|
value = hash_get_delta(&PPP, R2S(arg1), NULL, R2N(arg2));
|
|
SetResult(&result, R_NUMBER, &value);
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
int plugin_init_ppp(void)
|
|
{
|
|
hash_create(&PPP);
|
|
#ifdef HAVE_NET_IF_PPP_H
|
|
AddFunction("ppp", 2, my_ppp);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
void plugin_exit_ppp(void)
|
|
{
|
|
hash_destroy(&PPP);
|
|
}
|