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7a84a9260dd338a95ebc31956c23503d7fc09ebc
libgtop/sysdeps/freebsd/netload.c
Ting-Wei Lan 59d9780eae freebsd: Support GLIBTOP_IF_FLAGS_WIRELESS in netload 
The ioctl call used in this patch doesn't seems to be documented. It is
what ifconfig(8) command uses to display the media type, and its usage
can be learned by reading the source code of ifconfig(8).

https://bugzilla.gnome.org/show_bug.cgi?id=770165
2016-08-20 16:46:15 +03:00

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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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