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[Net] Split Unix/Windows IP implementation

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This commit is contained in:
Fabio Alessandrelli
2024-11-10 15:52:55 +01:00
parent caff0ff591
commit 168a2a1466
7 changed files with 227 additions and 77 deletions
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75
drivers/unix/ip_unix.cpp
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@@ -28,23 +28,10 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#if defined(UNIX_ENABLED)
#include "ip_unix.h"
#if defined(UNIX_ENABLED) || defined(WINDOWS_ENABLED)
#ifdef WINDOWS_ENABLED
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <stdio.h>
#else // UNIX
#include <netdb.h>
#ifdef ANDROID_ENABLED
@@ -67,8 +54,6 @@
#include <net/if.h> // Order is important on OpenBSD, leave as last.
#endif // UNIX
#include <string.h>
static IPAddress _sockaddr2ip(struct sockaddr *p_addr) {
@@ -108,7 +93,7 @@ void IPUnix::_resolve_hostname(List<IPAddress> &r_addresses, const String &p_hos
}
if (result == nullptr || result->ai_addr == nullptr) {
print_verbose("Invalid response from getaddrinfo");
print_verbose("Invalid response from getaddrinfo.");
if (result) {
freeaddrinfo(result);
}
@@ -132,56 +117,6 @@ void IPUnix::_resolve_hostname(List<IPAddress> &r_addresses, const String &p_hos
freeaddrinfo(result);
}
#if defined(WINDOWS_ENABLED)
void IPUnix::get_local_interfaces(HashMap<String, Interface_Info> *r_interfaces) const {
ULONG buf_size = 1024;
IP_ADAPTER_ADDRESSES *addrs;
while (true) {
addrs = (IP_ADAPTER_ADDRESSES *)memalloc(buf_size);
int err = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_SKIP_FRIENDLY_NAME,
nullptr, addrs, &buf_size);
if (err == NO_ERROR) {
break;
}
memfree(addrs);
if (err == ERROR_BUFFER_OVERFLOW) {
continue; // will go back and alloc the right size
}
ERR_FAIL_MSG("Call to GetAdaptersAddresses failed with error " + itos(err) + ".");
}
IP_ADAPTER_ADDRESSES *adapter = addrs;
while (adapter != nullptr) {
Interface_Info info;
info.name = adapter->AdapterName;
info.name_friendly = adapter->FriendlyName;
info.index = String::num_uint64(adapter->IfIndex);
IP_ADAPTER_UNICAST_ADDRESS *address = adapter->FirstUnicastAddress;
while (address != nullptr) {
int family = address->Address.lpSockaddr->sa_family;
if (family != AF_INET && family != AF_INET6) {
continue;
}
info.ip_addresses.push_front(_sockaddr2ip(address->Address.lpSockaddr));
address = address->Next;
}
adapter = adapter->Next;
// Only add interface if it has at least one IP
if (info.ip_addresses.size() > 0) {
r_interfaces->insert(info.name, info);
}
}
memfree(addrs);
}
#else // UNIX
void IPUnix::get_local_interfaces(HashMap<String, Interface_Info> *r_interfaces) const {
struct ifaddrs *ifAddrStruct = nullptr;
struct ifaddrs *ifa = nullptr;
@@ -219,8 +154,6 @@ void IPUnix::get_local_interfaces(HashMap<String, Interface_Info> *r_interfaces)
}
}
#endif // UNIX
void IPUnix::make_default() {
_create = _create_unix;
}
@@ -232,4 +165,4 @@ IP *IPUnix::_create_unix() {
IPUnix::IPUnix() {
}
#endif // UNIX_ENABLED || WINDOWS_ENABLED
#endif // UNIX_ENABLED