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/*
* HardInfo - Displays System Information
* Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@linuxmag.com.br>
*
* This program 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, version 2.
*
* This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
static gchar *network_interfaces = NULL;
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <linux/sockios.h>
#include <sys/socket.h>
typedef struct _NetInfo NetInfo;
struct _NetInfo {
char name[16];
int mtu;
unsigned char mac[8];
};
void get_net_info(char *if_name, NetInfo *netinfo)
{
struct ifreq ifr;
int fd;
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
strcpy(ifr.ifr_name, if_name);
strcpy(netinfo->name, if_name);
if (ioctl(fd, SIOCGIFMTU, &ifr) < 0) {
netinfo->mtu = 0;
} else {
netinfo->mtu = ifr.ifr_mtu;
}
strcpy(ifr.ifr_name, if_name);
if (ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) {
memset(netinfo->mac, 0, 8);
} else {
memcpy(netinfo->mac, ifr.ifr_ifru.ifru_hwaddr.sa_data, 8);
}
shutdown(fd, 0);
}
static struct {
char *type;
char *label;
} netdev2type[] = {
{ "eth", "Ethernet" },
{ "lo", "Loopback" },
{ "ppp", "Point-to-Point" },
{ "ath", "Wireless" },
{ "wlan", "Wireless" },
{ "tun", "Virtual Point-to-Point (TUN)" },
{ "tap", "Ethernet (TAP)" },
{ "plip", "Parallel Line Internet Protocol" },
{ "irlan", "Infrared" },
{ "slip", "Serial Line Internet Protocol" },
{ "isdn", "Integrated Services Digital Network" },
{ "sit", "IPv6-over-IPv4 Tunnel" },
{ "vmnet8", "VMWare Virtual Network Interface (NAT)" },
{ "vmnet", "VMWare Virtual Network Interface" },
{ NULL, "Unknown" },
};
static const gchar *
net_get_iface_type(gchar *name)
{
int i;
for (i = 0; netdev2type[i].type; i++) {
if (g_str_has_prefix(name, netdev2type[i].type))
break;
}
return netdev2type[i].label;
}
static gboolean
remove_net_devices(gpointer key, gpointer value, gpointer data)
{
if (!strncmp((gchar *) key, "NET", 4)) {
g_free((gchar *) key);
g_free((GtkTreeIter *) value);
return TRUE;
}
return FALSE;
}
static void
scan_net_interfaces_24(void)
{
FILE *proc_net;
NetInfo ni;
gchar buffer[256];
gchar *devid, *detailed;
gulong recv_bytes;
gulong recv_errors;
gulong recv_packets;
gulong trans_bytes;
gulong trans_errors;
gulong trans_packets;
if (!g_file_test("/proc/net/dev", G_FILE_TEST_EXISTS)) {
if (network_interfaces) {
g_free(network_interfaces);
network_interfaces = g_strdup("[Network Interfaces]\n"
"None found=\n");
}
return;
}
if (network_interfaces) {
g_free(network_interfaces);
}
network_interfaces = g_strdup("[Network Interfaces]\n");
proc_net = fopen("/proc/net/dev", "r");
while (fgets(buffer, 256, proc_net)) {
if (strchr(buffer, ':')) {
gint trash;
gchar ifacename[16];
gchar *buf = buffer;
gint i;
buf = g_strstrip(buf);
memset(ifacename, 0, 16);
for (i = 0; buffer[i] != ':' && i < 16; i++) {
ifacename[i] = buffer[i];
}
buf = strchr(buf, ':') + 1;
/* iface: bytes packets errs drop fifo frame compressed multicast */
sscanf(buf, "%ld %ld %ld %d %d %d %d %d %ld %ld %ld",
&recv_bytes, &recv_packets,
&recv_errors, &trash, &trash, &trash, &trash,
&trash, &trans_bytes, &trans_packets,
&trans_errors);
gfloat recv_mb = recv_bytes / 1048576.0;
gfloat trans_mb = trans_bytes / 1048576.0;
devid = g_strdup_printf("NET%s", ifacename);
network_interfaces = g_strdup_printf("%s$%s$%s=Sent %.2fMiB, received %.2fMiB\n",
network_interfaces,
devid,
ifacename,
trans_mb,
recv_mb);
get_net_info(ifacename, &ni);
detailed = g_strdup_printf("[Network Adapter Properties]\n"
"Interface Type=%s\n"
"Hardware Address=%02x:%02x:%02x:%02x:%02x:%02x\n"
"MTU=%d\n"
"Bytes Sent=%ld (%.2fMiB)\n"
"Bytes Received=%ld (%.2fMiB)\n",
net_get_iface_type(ifacename),
ni.mac[0], ni.mac[1],
ni.mac[2], ni.mac[3],
ni.mac[4], ni.mac[5],
ni.mtu,
recv_bytes, recv_mb,
trans_bytes, trans_mb);
g_hash_table_insert(moreinfo, devid, detailed);
}
}
fclose(proc_net);
}
static void
scan_net_interfaces(void)
{
/* FIXME: See if we're running Linux 2.6 and if /sys is mounted, then use
that instead of /proc/net/dev */
/* remove old devices from global device table */
g_hash_table_foreach_remove(moreinfo, remove_net_devices, NULL);
scan_net_interfaces_24();
}
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