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/* Copyright (C) 1998-99 Martin Baulig
Copyright (C) 2014 Gleb Smirnoff
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
Contributed by Gleb Smirnoff <glebius@FreeBSD.org>, September 2014
LibGTop 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 of the License,
or (at your option) any later version.
LibGTop 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 LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/netload.h>
#include <glibtop_suid.h>
#include <sys/ioctl.h>
#include <sys/sockio.h>
#include <netinet/in.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <ifaddrs.h>
static const unsigned long _glibtop_sysdeps_netload =
(1L << GLIBTOP_NETLOAD_IF_FLAGS) +
(1L << GLIBTOP_NETLOAD_MTU) +
(1L << GLIBTOP_NETLOAD_PACKETS_IN) +
(1L << GLIBTOP_NETLOAD_PACKETS_OUT) +
(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) +
(1L << GLIBTOP_NETLOAD_BYTES_IN) +
(1L << GLIBTOP_NETLOAD_BYTES_OUT) +
(1L << GLIBTOP_NETLOAD_BYTES_TOTAL) +
(1L << GLIBTOP_NETLOAD_ERRORS_IN) +
(1L << GLIBTOP_NETLOAD_ERRORS_OUT) +
(1L << GLIBTOP_NETLOAD_ERRORS_TOTAL) +
(1L << GLIBTOP_NETLOAD_COLLISIONS) +
(1L << GLIBTOP_NETLOAD_HWADDRESS);
static const unsigned long _glibtop_sysdeps_netload_data =
(1L << GLIBTOP_NETLOAD_SUBNET) +
(1L << GLIBTOP_NETLOAD_ADDRESS);
static const unsigned long _glibtop_sysdeps_netload6 =
(1L << GLIBTOP_NETLOAD_ADDRESS6) +
(1L << GLIBTOP_NETLOAD_PREFIX6) +
(1L << GLIBTOP_NETLOAD_SCOPE6);
/* Init function. */
void
_glibtop_init_netload_p (glibtop *server)
{
server->sysdeps.netload = _glibtop_sysdeps_netload;
}
/* Provides Network statistics. */
void
glibtop_get_netload_p (glibtop *server, glibtop_netload *buf,
const char *interface)
{
struct ifaddrs *ifap, *ifa;
memset (buf, 0, sizeof (glibtop_netload));
if (server->sysdeps.netload == 0)
return;
if (getifaddrs(&ifap) != 0) {
glibtop_warn_io_r (server, "getifaddrs");
return;
}
#define IFA_STAT(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (strcmp (ifa->ifa_name, interface) != 0)
continue;
switch (ifa->ifa_addr->sa_family) {
case AF_LINK: {
struct sockaddr_dl *sdl;
struct ifmediareq ifmr;
struct ifreq ifr;
int s, flags;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s < 0) {
glibtop_warn_io_r(server, "socket(AF_INET)");
break;
}
memset(&ifmr, 0, sizeof(ifmr));
(void)strlcpy(ifmr.ifm_name, ifa->ifa_name,
sizeof(ifmr.ifm_name));
if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0 &&
ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
glibtop_warn_io_r(server, "ioctl(SIOCGIFMEDIA)");
} else {
if (IFM_TYPE (ifmr.ifm_current) & IFM_IEEE80211)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_WIRELESS);
if (IFM_TYPE (ifmr.ifm_active) & IFM_IEEE80211)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_WIRELESS);
}
memset(&ifr, 0, sizeof(ifr));
(void)strlcpy(ifr.ifr_name, ifa->ifa_name,
sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
glibtop_warn_io_r(server, "ioctl(SIOCGIFFLAGS)");
close(s);
break;
}
close(s);
flags = (ifr.ifr_flags & 0xffff) | (ifr.ifr_flagshigh << 16);
if (flags & IFF_UP)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_UP);
if (flags & IFF_BROADCAST)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_BROADCAST);
if (flags & IFF_DEBUG)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_DEBUG);
if (flags & IFF_LOOPBACK)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LOOPBACK);
if (flags & IFF_POINTOPOINT)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_POINTOPOINT);
if (flags & IFF_RUNNING)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_RUNNING);
if (flags & IFF_NOARP)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_NOARP);
if (flags & IFF_PROMISC)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_PROMISC);
if (flags & IFF_ALLMULTI)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_ALLMULTI);
if (flags & IFF_OACTIVE)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_OACTIVE);
if (flags & IFF_SIMPLEX)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_SIMPLEX);
if (flags & IFF_LINK0)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LINK0);
if (flags & IFF_LINK1)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LINK1);
if (flags & IFF_LINK2)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LINK2);
if (flags & IFF_ALTPHYS)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_ALTPHYS);
if (flags & IFF_MULTICAST)
buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_MULTICAST);
buf->packets_in = IFA_STAT(ipackets);
buf->packets_out = IFA_STAT(opackets);
buf->packets_total = buf->packets_in + buf->packets_out;
buf->bytes_in = IFA_STAT(ibytes);
buf->bytes_out = IFA_STAT(obytes);
buf->bytes_total = buf->bytes_in + buf->bytes_out;
buf->errors_in = IFA_STAT(ierrors);
buf->errors_out = IFA_STAT(oerrors);
buf->errors_total = buf->errors_in + buf->errors_out;
buf->collisions = IFA_STAT(collisions);
sdl = (struct sockaddr_dl *)(void *)ifa->ifa_addr;
memcpy(buf->hwaddress, LLADDR(sdl),
sizeof(buf->hwaddress));
buf->mtu = IFA_STAT(mtu);
buf->flags |= _glibtop_sysdeps_netload;
break;
}
case AF_INET: {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)(void *)ifa->ifa_addr;
buf->address = sin->sin_addr.s_addr;
sin = (struct sockaddr_in *)(void *)ifa->ifa_netmask;
buf->subnet = sin->sin_addr.s_addr & buf->address;
buf->flags |= _glibtop_sysdeps_netload_data;
break;
}
case AF_INET6: {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)(void *)ifa->ifa_addr;
memcpy(buf->address6, &sin6->sin6_addr,
sizeof(buf->address6));
buf->scope6 = (guint8 )sin6->sin6_scope_id;
sin6 = (struct sockaddr_in6 *)(void *)ifa->ifa_netmask;
memcpy(buf->prefix6, &sin6->sin6_addr,
sizeof(buf->prefix6));
buf->flags |= _glibtop_sysdeps_netload6;
break;
}
} // switch() end
}
freeifaddrs(ifap);
}
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