void nsockstream::connect( const char * node, unsigned int port ) throw( sockexception, socktimeoutexception ) {
// network address
nsockaddr naddr( node, port );
// connect
connect( &naddr );
}
static void
setoutvar(void)
{
Type *t;
Node *n;
Addr a;
Iter save;
Bits bit;
int z;
t = structfirst(&save, getoutarg(curfn->type));
while(t != T) {
n = nodarg(t, 1);
a = zprog.from;
naddr(n, &a, 0);
bit = mkvar(R, &a);
for(z=0; z<BITS; z++)
ovar.b[z] |= bit.b[z];
t = structnext(&save);
}
//if(bany(&ovar))
//print("ovars = %Q\n", ovar);
}
std::set<addrwithbroadcast> getlist()
{
std::set<addrwithbroadcast> result;
struct ifconf ifc;
std::vector<char> buffer(10*1024); //MAXBUFSIZE
struct ifreq *ifr;
int skfd;
ifc.ifc_len = buffer.size();
ifc.ifc_buf = &buffer[0];
if ((skfd = ::socket(AF_INET, SOCK_DGRAM,0)) < 0) {
std::cout << "new socket failed\n";
return result;
}
if (::ioctl(skfd, SIOCGIFCONF, &ifc) < 0) {
std::cout << "SIOCGIFCONF:Failed\n";
::close(skfd);
return result;
}
#ifndef __APPLE__
ifr = ifc.ifc_req;
for (int i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; ifr++) {
#else
for (int n = 0; n < ifc.ifc_len; ) {
ifr = (struct ifreq*)(((char*)ifc.ifc_req) + n);
n += sizeof(ifr->ifr_name);
n += (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)
? ifr->ifr_addr.sa_len : sizeof(struct sockaddr));
#endif
if (ifr->ifr_addr.sa_family != AF_INET) continue;
sockaddr_in * pAddress;
if (::ioctl(skfd, SIOCGIFFLAGS, ifr) != 0) {
std::cout << "SIOCGIFFLAGS:Failed\n";
continue;
}
short flags = ifr->ifr_flags;
boost::asio::ip::address_v4::bytes_type ifaddr;
pAddress = (sockaddr_in *) &ifr->ifr_addr;
memcpy(&ifaddr[0], &pAddress->sin_addr, 4);
if (::ioctl(skfd, SIOCGIFNETMASK, ifr) != 0) {
std::cout << "SIOCGIFNETMASK:Failed\n";
continue;
}
boost::asio::ip::address_v4::bytes_type nmaddr;
pAddress = (sockaddr_in *) &ifr->ifr_addr;
memcpy(&nmaddr[0], &pAddress->sin_addr, 4);
if (flags&IFF_UP && !(flags&IFF_LOOPBACK)) {
boost::asio::ip::address_v4::bytes_type bcaddr;
for (int i = 0; i < 4; ++i)
bcaddr[i] = ifaddr[i] | ~nmaddr[i];
boost::asio::ip::address_v4 naddr(ifaddr);
boost::asio::ip::address_v4 baddr(bcaddr);
result.insert(addrwithbroadcast(naddr, baddr));
}
}
::close(skfd);
return result;
}
};
