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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
View File

@ -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

6
drivers/unix/ip_unix.h
View File

@ -31,9 +31,9 @@
#ifndef IP_UNIX_H
#define IP_UNIX_H
#include "core/io/ip.h"
#if defined(UNIX_ENABLED)
#if defined(UNIX_ENABLED) || defined(WINDOWS_ENABLED)
#include "core/io/ip.h"
class IPUnix : public IP {
GDCLASS(IPUnix, IP);
@ -49,6 +49,6 @@ public:
IPUnix();
};
#endif
#endif // UNIX_ENABLED
#endif // IP_UNIX_H

164
drivers/windows/ip_windows.cpp Normal file
View File

@ -0,0 +1,164 @@
/**************************************************************************/
/* ip_windows.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#if defined(WINDOWS_ENABLED)
#include "ip_windows.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <stdio.h>
#include <string.h>
static IPAddress _sockaddr2ip(struct sockaddr *p_addr) {
IPAddress ip;
if (p_addr->sa_family == AF_INET) {
struct sockaddr_in *addr = (struct sockaddr_in *)p_addr;
ip.set_ipv4((uint8_t *)&(addr->sin_addr));
} else if (p_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr;
ip.set_ipv6(addr6->sin6_addr.s6_addr);
}
return ip;
}
void IPWindows::_resolve_hostname(List<IPAddress> &r_addresses, const String &p_hostname, Type p_type) const {
struct addrinfo hints;
struct addrinfo *result = nullptr;
memset(&hints, 0, sizeof(struct addrinfo));
if (p_type == TYPE_IPV4) {
hints.ai_family = AF_INET;
} else if (p_type == TYPE_IPV6) {
hints.ai_family = AF_INET6;
hints.ai_flags = 0;
} else {
hints.ai_family = AF_UNSPEC;
hints.ai_flags = AI_ADDRCONFIG;
}
hints.ai_flags &= ~AI_NUMERICHOST;
int s = getaddrinfo(p_hostname.utf8().get_data(), nullptr, &hints, &result);
if (s != 0) {
print_verbose("getaddrinfo failed! Cannot resolve hostname.");
return;
}
if (result == nullptr || result->ai_addr == nullptr) {
print_verbose("Invalid response from getaddrinfo.");
if (result) {
freeaddrinfo(result);
}
return;
}
struct addrinfo *next = result;
do {
if (next->ai_addr == nullptr) {
next = next->ai_next;
continue;
}
IPAddress ip = _sockaddr2ip(next->ai_addr);
if (ip.is_valid() && !r_addresses.find(ip)) {
r_addresses.push_back(ip);
}
next = next->ai_next;
} while (next);
freeaddrinfo(result);
}
void IPWindows::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);
}
void IPWindows::make_default() {
_create = _create_unix;
}
IP *IPWindows::_create_unix() {
return memnew(IPWindows);
}
IPWindows::IPWindows() {
}
#endif // WINDOWS_ENABLED

54
drivers/windows/ip_windows.h Normal file
View File

@ -0,0 +1,54 @@
/**************************************************************************/
/* ip_windows.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef IP_WINDOWS_H
#define IP_WINDOWS_H
#if defined(WINDOWS_ENABLED)
#include "core/io/ip.h"
class IPWindows : public IP {
GDCLASS(IPWindows, IP);
virtual void _resolve_hostname(List<IPAddress> &r_addresses, const String &p_hostname, Type p_type = TYPE_ANY) const override;
static IP *_create_unix();
public:
virtual void get_local_interfaces(HashMap<String, Interface_Info> *r_interfaces) const override;
static void make_default();
IPWindows();
};
#endif // WINDOWS_ENABLED
#endif // IP_WINDOWS_H

1
platform/windows/display_server_windows.h
View File

@ -40,7 +40,6 @@
#include "core/input/input.h"
#include "core/io/image.h"
#include "core/os/os.h"
#include "drivers/unix/ip_unix.h"
#include "drivers/wasapi/audio_driver_wasapi.h"
#include "drivers/winmidi/midi_driver_winmidi.h"
#include "servers/audio_server.h"

3
platform/windows/os_windows.cpp
View File

@ -43,6 +43,7 @@
#include "drivers/windows/dir_access_windows.h"
#include "drivers/windows/file_access_windows.h"
#include "drivers/windows/file_access_windows_pipe.h"
#include "drivers/windows/ip_windows.h"
#include "drivers/windows/net_socket_winsock.h"
#include "main/main.h"
#include "servers/audio_server.h"
@ -228,7 +229,7 @@ void OS_Windows::initialize() {
current_pi.pi.hProcess = GetCurrentProcess();
process_map->insert(GetCurrentProcessId(), current_pi);
IPUnix::make_default();
IPWindows::make_default();
main_loop = nullptr;
HRESULT hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory));

1
platform/windows/os_windows.h
View File

@ -37,7 +37,6 @@
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/os/os.h"
#include "drivers/unix/ip_unix.h"
#include "drivers/wasapi/audio_driver_wasapi.h"
#include "drivers/winmidi/midi_driver_winmidi.h"
#include "servers/audio_server.h"