diff options
Diffstat (limited to 'sysdeps/freebsd/netload.c')
| -rw-r--r-- | sysdeps/freebsd/netload.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/sysdeps/freebsd/netload.c b/sysdeps/freebsd/netload.c new file mode 100644 index 00000000..4062dfe2 --- /dev/null +++ b/sysdeps/freebsd/netload.c @@ -0,0 +1,219 @@ +/* $Id$ */ + +/* Copyright (C) 1998-99 Martin Baulig + This file is part of LibGTop 1.0. + + Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998. + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <glibtop.h> +#include <glibtop/error.h> +#include <glibtop/netload.h> + +#include <glibtop_suid.h> + +#include <net/if.h> +#include <net/if_dl.h> +#include <net/if_types.h> + +#ifdef HAVE_NET_IF_VAR_H +#include <net/if_var.h> +#endif + +#include <netinet/in.h> +#include <netinet/in_var.h> + +static const unsigned long _glibtop_sysdeps_netload = +(1L << GLIBTOP_NETLOAD_IF_FLAGS) + +(1L << GLIBTOP_NETLOAD_MTU) + +#if !defined(__bsdi__) +(1L << GLIBTOP_NETLOAD_SUBNET) + +#endif +(1L << GLIBTOP_NETLOAD_ADDRESS) + +(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); + +/* nlist structure for kernel access */ +static struct nlist nlst [] = { + { "_ifnet" }, + { 0 } +}; + +/* Init function. */ + +void +glibtop_init_netload_p (glibtop *server) +{ + server->sysdeps.netload = _glibtop_sysdeps_netload; + + if (kvm_nlist (server->machine.kd, nlst) < 0) + glibtop_error_io_r (server, "kvm_nlist"); +} + +/* Provides Network statistics. */ + +void +glibtop_get_netload_p (glibtop *server, glibtop_netload *buf, + const char *interface) +{ + struct ifnet ifnet; + u_long ifnetaddr, ifnetfound, ifaddraddr; + struct sockaddr *sa; + char tname [16]; + + union { + struct ifaddr ifa; + struct in_ifaddr in; + } ifaddr; + + glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_NETLOAD), 0); + + memset (buf, 0, sizeof (glibtop_netload)); + + if (kvm_read (server->machine.kd, nlst [0].n_value, + &ifnetaddr, sizeof (ifnetaddr)) != sizeof (ifnetaddr)) + glibtop_error_io_r (server, "kvm_read (ifnet)"); + + ifaddraddr = 0; + while (ifnetaddr || ifaddraddr) { + struct sockaddr_in *sin; + register char *cp; + + if (ifaddraddr == 0) { + ifnetfound = ifnetaddr; + + if (kvm_read (server->machine.kd, ifnetaddr, &ifnet, + sizeof (ifnet)) != sizeof (ifnet)) + glibtop_error_io_r (server, "kvm_read (ifnetaddr)"); + +#if defined(__FreeBSD__) || defined(__bsdi__) + if (kvm_read (server->machine.kd, (u_long) ifnet.if_name, + tname, 16) != 16) + glibtop_error_io_r (server, "kvm_read (if_name)"); +#else + strncpy (tname, ifnet.if_xname, 16); + tname [15] = 0; +#endif + +#if defined(__FreeBSD__) && (__FreeBSD_version >= 300000) + ifaddraddr = (u_long) ifnet.if_addrhead.tqh_first; +#elif defined(__FreeBSD__) || defined(__bsdi__) + ifaddraddr = (u_long) ifnet.if_addrlist; +#else + ifaddraddr = (u_long) ifnet.if_addrlist.tqh_first; +#endif + } + + if (ifaddraddr) { + if ((kvm_read (server->machine.kd, ifaddraddr, &ifaddr, + sizeof (ifaddr)) != sizeof (ifaddr))) + glibtop_error_io_r (server, "kvm_read (ifaddraddr)"); + +#define CP(x) ((char *)(x)) + cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) + + CP(&ifaddr); sa = (struct sockaddr *)cp; + + if (!strcmp (interface, tname) && (sa->sa_family == AF_INET)) { + sin = (struct sockaddr_in *)sa; + + if (ifnet.if_flags & IFF_UP) + buf->if_flags |= GLIBTOP_IF_FLAGS_UP; + if (ifnet.if_flags & IFF_BROADCAST) + buf->if_flags |= GLIBTOP_IF_FLAGS_BROADCAST; + if (ifnet.if_flags & IFF_DEBUG) + buf->if_flags |= GLIBTOP_IF_FLAGS_DEBUG; + if (ifnet.if_flags & IFF_LOOPBACK) + buf->if_flags |= GLIBTOP_IF_FLAGS_LOOPBACK; + if (ifnet.if_flags & IFF_POINTOPOINT) + buf->if_flags |= GLIBTOP_IF_FLAGS_POINTOPOINT; + if (ifnet.if_flags & IFF_RUNNING) + buf->if_flags |= GLIBTOP_IF_FLAGS_RUNNING; + if (ifnet.if_flags & IFF_NOARP) + buf->if_flags |= GLIBTOP_IF_FLAGS_NOARP; + if (ifnet.if_flags & IFF_PROMISC) + buf->if_flags |= GLIBTOP_IF_FLAGS_PROMISC; + if (ifnet.if_flags & IFF_ALLMULTI) + buf->if_flags |= GLIBTOP_IF_FLAGS_ALLMULTI; + if (ifnet.if_flags & IFF_OACTIVE) + buf->if_flags |= GLIBTOP_IF_FLAGS_OACTIVE; + if (ifnet.if_flags & IFF_SIMPLEX) + buf->if_flags |= GLIBTOP_IF_FLAGS_SIMPLEX; + if (ifnet.if_flags & IFF_LINK0) + buf->if_flags |= GLIBTOP_IF_FLAGS_LINK0; + if (ifnet.if_flags & IFF_LINK1) + buf->if_flags |= GLIBTOP_IF_FLAGS_LINK1; + if (ifnet.if_flags & IFF_LINK2) + buf->if_flags |= GLIBTOP_IF_FLAGS_LINK2; +#ifdef __FreeBSD__ + if (ifnet.if_flags & IFF_ALTPHYS) + buf->if_flags |= GLIBTOP_IF_FLAGS_ALTPHYS; +#endif + if (ifnet.if_flags & IFF_MULTICAST) + buf->if_flags |= GLIBTOP_IF_FLAGS_MULTICAST; + +#if !defined(__bsdi__) + /* Commenting out to "fix" #13345. */ + buf->subnet = htonl (ifaddr.in.ia_subnet); +#endif + buf->address = sin->sin_addr.s_addr; + + buf->mtu = ifnet.if_mtu; + + buf->packets_in = ifnet.if_ipackets; + buf->packets_out = ifnet.if_opackets; + buf->packets_total = buf->packets_in + buf->packets_out; + + buf->bytes_in = ifnet.if_ibytes; + buf->bytes_out = ifnet.if_obytes; + buf->bytes_total = buf->bytes_in + buf->bytes_out; + + buf->errors_in = ifnet.if_ierrors; + buf->errors_out = ifnet.if_oerrors; + buf->errors_total = buf->errors_in + buf->errors_out; + + buf->collisions = ifnet.if_collisions; + buf->flags = _glibtop_sysdeps_netload; + return; + } + +#if defined(__FreeBSD__) && (__FreeBSD_version >= 300000) + ifaddraddr = (u_long)ifaddr.ifa.ifa_link.tqe_next; +#elif defined(__FreeBSD__) || defined(__bsdi__) + ifaddraddr = (u_long)ifaddr.ifa.ifa_next; +#else + ifaddraddr = (u_long)ifaddr.ifa.ifa_list.tqe_next; +#endif + } + +#if defined(__FreeBSD__) && (__FreeBSD_version >= 300000) + ifnetaddr = (u_long) ifnet.if_link.tqe_next; +#elif defined(__FreeBSD__) || defined(__bsdi__) + ifnetaddr = (u_long) ifnet.if_next; +#else + ifnetaddr = (u_long) ifnet.if_list.tqe_next; +#endif + } +} |