NetInfo::NetInfo() { int status; sigar_t *sigar; sigar_net_info_t ni; sigar_net_interface_config_t ifc; char addrbuf[SIGAR_INET6_ADDRSTRLEN]; sigar_open(&sigar); status = sigar_net_info_get(sigar, &ni); if (status != SIGAR_OK) { printf("get net info error: %d (%s)\n", status, sigar_strerror(sigar, status)); exit(1); } hostname = ni.host_name; default_gateway = ni.default_gateway; domain_name = ni.domain_name; primary_dns = ni.primary_dns; secondary_dns = ni.secondary_dns; status = sigar_net_interface_config_primary_get(sigar, &ifc); if (status != SIGAR_OK) { printf("get net info error: %d (%s)\n", status, sigar_strerror(sigar, status)); exit(1); } if (sigar_net_interface_config_primary_get(sigar, &ifc) == SIGAR_OK) { primary_interface = ifc.name; sigar_net_address_to_string(sigar, &ifc.address, addrbuf); primary_addr = addrbuf; } if (primary_addr.isEmpty() ) primary_addr = "127.0.0.1"; qDebug () << ifc.name << " " << ifc.type << " " << primary_addr; sigar_close(sigar); }
int sigar_net_interface_config_get(sigar_t *sigar, const char *name, sigar_net_interface_config_t *ifconfig) { int sock; struct ifreq ifr; if (!name) { return sigar_net_interface_config_primary_get(sigar, ifconfig); } SIGAR_ZERO(ifconfig); if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { return errno; } SIGAR_SSTRCPY(ifconfig->name, name); SIGAR_SSTRCPY(ifr.ifr_name, name); #define ifr_s_addr(ifr) \ ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr if (!ioctl(sock, SIOCGIFADDR, &ifr)) { sigar_net_address_set(ifconfig->address, ifr_s_addr(ifr)); } if (!ioctl(sock, SIOCGIFNETMASK, &ifr)) { sigar_net_address_set(ifconfig->netmask, ifr_s_addr(ifr)); } if (!ioctl(sock, SIOCGIFFLAGS, &ifr)) { sigar_uint64_t flags = ifr.ifr_flags; #ifdef __linux__ # ifndef IFF_DYNAMIC # define IFF_DYNAMIC 0x8000 /* not in 2.2 kernel */ # endif /* IFF_DYNAMIC */ int is_mcast = flags & IFF_MULTICAST; int is_slave = flags & IFF_SLAVE; int is_master = flags & IFF_MASTER; int is_dynamic = flags & IFF_DYNAMIC; /* * XXX: should just define SIGAR_IFF_* * and test IFF_* bits on given platform. * this is the only diff between solaris/hpux/linux * for the flags we care about. * */ flags &= ~(IFF_MULTICAST|IFF_SLAVE|IFF_MASTER); if (is_mcast) { flags |= SIGAR_IFF_MULTICAST; } if (is_slave) { flags |= SIGAR_IFF_SLAVE; } if (is_master) { flags |= SIGAR_IFF_MASTER; } if (is_dynamic) { flags |= SIGAR_IFF_DYNAMIC; } #endif ifconfig->flags = flags; } else { /* should always be able to get flags for existing device */ /* other ioctls may fail if device is not enabled: ok */ close(sock); return errno; } if (ifconfig->flags & IFF_LOOPBACK) { sigar_net_address_set(ifconfig->destination, ifconfig->address.addr.in); sigar_net_address_set(ifconfig->broadcast, 0); sigar_hwaddr_set_null(ifconfig); SIGAR_SSTRCPY(ifconfig->type, SIGAR_NIC_LOOPBACK); } else { if (!ioctl(sock, SIOCGIFDSTADDR, &ifr)) { sigar_net_address_set(ifconfig->destination, ifr_s_addr(ifr)); } if (!ioctl(sock, SIOCGIFBRDADDR, &ifr)) { sigar_net_address_set(ifconfig->broadcast, ifr_s_addr(ifr)); } #if defined(HAVE_LIBDLPI_H) hwaddr_libdlpi_lookup(sigar, ifconfig); #elif defined(SIOCGIFHWADDR) if (!ioctl(sock, SIOCGIFHWADDR, &ifr)) { get_interface_type(ifconfig, ifr.ifr_hwaddr.sa_family); sigar_net_address_mac_set(ifconfig->hwaddr, ifr.ifr_hwaddr.sa_data, IFHWADDRLEN); } #elif defined(_AIX) || defined(__osf__) hwaddr_aix_lookup(sigar, ifconfig); SIGAR_SSTRCPY(ifconfig->type, SIGAR_NIC_ETHERNET); #else hwaddr_arp_lookup(ifconfig, sock); SIGAR_SSTRCPY(ifconfig->type, SIGAR_NIC_ETHERNET); #endif } #if defined(SIOCGLIFMTU) && !defined(__hpux) { struct lifreq lifr; SIGAR_SSTRCPY(lifr.lifr_name, name); if(!ioctl(sock, SIOCGLIFMTU, &lifr)) { ifconfig->mtu = lifr.lifr_mtu; } } #elif defined(SIOCGIFMTU) if (!ioctl(sock, SIOCGIFMTU, &ifr)) { # if defined(__hpux) ifconfig->mtu = ifr.ifr_metric; # else ifconfig->mtu = ifr.ifr_mtu; #endif } #else ifconfig->mtu = 0; /*XXX*/ #endif if (!ioctl(sock, SIOCGIFMETRIC, &ifr)) { ifconfig->metric = ifr.ifr_metric ? ifr.ifr_metric : 1; } #if defined(SIOCGIFTXQLEN) if (!ioctl(sock, SIOCGIFTXQLEN, &ifr)) { ifconfig->tx_queue_len = ifr.ifr_qlen; } else { ifconfig->tx_queue_len = -1; /* net-tools behaviour */ } #else ifconfig->tx_queue_len = -1; #endif close(sock); /* XXX can we get a better description like win32? */ SIGAR_SSTRCPY(ifconfig->description, ifconfig->name); sigar_net_interface_ipv6_config_init(ifconfig); sigar_net_interface_ipv6_config_get(sigar, name, ifconfig); return SIGAR_OK; }