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get_interfaces() for win32

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This commit is contained in:
David Rose 2013-03-14 16:30:04 +00:00
parent d51a48acca
commit 89543ada42
2 changed files with 55 additions and 1 deletions
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2
panda/src/net/Sources.pp
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@ -1,6 +1,8 @@
#define OTHER_LIBS \
p3interrogatedb:c p3dconfig:c p3dtoolconfig:m \
p3dtoolutil:c p3dtoolbase:c p3prc:c p3dtool:m
#define WIN_SYS_LIBS Iphlpapi.lib
#define BUILD_DIRECTORY $[and $[HAVE_NET],$[WANT_NATIVE_NET]]
#define USE_PACKAGES net

54
panda/src/net/connectionManager.cxx
View File

@ -23,6 +23,7 @@
#if defined(WIN32_VC) || defined(WIN64_VC)
#include <winsock2.h> // For gethostname()
#include <Iphlpapi.h> // For GetAdaptersAddresses()
#else
#include <net/if.h>
#include <ifaddrs.h>
@ -524,7 +525,58 @@ scan_interfaces() {
_interfaces_scanned = true;
#ifdef WIN32_VC
// TODO.
int flags = GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_UNICAST | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER;
ULONG buffer_size = 0;
ULONG result = GetAdaptersAddresses(AF_INET, flags, NULL, NULL, &buffer_size);
if (result == ERROR_BUFFER_OVERFLOW) {
IP_ADAPTER_ADDRESSES *addresses = (IP_ADAPTER_ADDRESSES *)PANDA_MALLOC_ARRAY(buffer_size);
result = GetAdaptersAddresses(AF_INET, flags, NULL, addresses, &buffer_size);
if (result == ERROR_SUCCESS) {
IP_ADAPTER_ADDRESSES *p = addresses;
while (p != NULL) {
// p->AdapterName appears to be a GUID. Not sure if this is
// actually useful to anyone; we'll store the "friendly name"
// instead.
TextEncoder encoder;
encoder.set_wtext(wstring(p->FriendlyName));
string friendly_name = encoder.get_text();
Interface interface;
interface.set_name(friendly_name);
// Prefixes are a linked list, in the order Network IP,
// Adapter IP, Broadcast IP (plus more).
NetAddress addresses[3];
IP_ADAPTER_PREFIX *m = p->FirstPrefix;
int mc = 0;
while (m != NULL && mc < 3) {
addresses[mc] = NetAddress(Socket_Address(*(sockaddr_in *)m->Address.lpSockaddr));
m = m->Next;
++mc;
}
if (mc > 1) {
interface.set_ip(addresses[1]);
}
if (mc > 2) {
interface.set_broadcast(addresses[2]);
// Now, we can infer the netmask by the difference between the
// network address (the first address) and the broadcast
// address (the last address).
PN_uint32 netmask = addresses[0].get_ip() - addresses[2].get_ip() - 1;
Socket_Address sa;
sa.set_host(netmask, 0);
interface.set_netmask(NetAddress(sa));
}
_interfaces.push_back(interface);
p = p->Next;
}
}
PANDA_FREE_ARRAY(addresses);
}
#else // WIN32_VC
struct ifaddrs *ifa;