c7bc44d5ad
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer with state-of-the-art rendering techniques tuned to work as low as middle end handheld devices - without compromising with the possibilities given for higher end desktop games of course. Great times ahead for the Godot community and the gamers that will play our games!
246 lines
6.8 KiB
C++
246 lines
6.8 KiB
C++
/*************************************************************************/
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/* ip_unix.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "ip_unix.h"
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#if defined(UNIX_ENABLED) || defined(WINDOWS_ENABLED)
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#include <string.h>
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#ifdef WINDOWS_ENABLED
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// Workaround mingw missing flags!
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#ifndef AI_ADDRCONFIG
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#define AI_ADDRCONFIG 0x00000400
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#endif
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#ifndef AI_V4MAPPED
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#define AI_V4MAPPED 0x00000800
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#endif
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#ifdef UWP_ENABLED
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#include <ws2tcpip.h>
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#include <winsock2.h>
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#include <windows.h>
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#include <stdio.h>
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#else
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#define WINVER 0x0600
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#include <ws2tcpip.h>
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#include <winsock2.h>
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#include <windows.h>
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#include <stdio.h>
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#include <iphlpapi.h>
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#endif
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#else
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#include <netdb.h>
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#ifdef ANDROID_ENABLED
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#include "platform/android/ifaddrs_android.h"
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#else
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#ifdef __FreeBSD__
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#include <sys/types.h>
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#endif
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#include <ifaddrs.h>
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#endif
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#ifdef __FreeBSD__
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#include <netinet/in.h>
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#endif
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#endif
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static IP_Address _sockaddr2ip(struct sockaddr* p_addr) {
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IP_Address ip;
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if (p_addr->sa_family == AF_INET) {
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struct sockaddr_in* addr = (struct sockaddr_in*)p_addr;
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ip.field32[0] = *((unsigned long*)&addr->sin_addr);
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ip.type = IP_Address::TYPE_IPV4;
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} else {
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struct sockaddr_in6* addr6 = (struct sockaddr_in6*)p_addr;
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for (int i=0; i<16; i++)
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ip.field8[i] = addr6->sin6_addr.s6_addr[i];
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ip.type = IP_Address::TYPE_IPV6;
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};
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return ip;
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};
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IP_Address IP_Unix::_resolve_hostname(const String& p_hostname, IP_Address::AddrType p_type) {
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struct addrinfo hints;
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struct addrinfo* result;
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memset(&hints, 0, sizeof(struct addrinfo));
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if (p_type == IP_Address::TYPE_IPV4) {
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hints.ai_family = AF_INET;
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} else if (p_type == IP_Address::TYPE_IPV6) {
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hints.ai_family = AF_INET6;
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hints.ai_flags = 0;
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} else {
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hints.ai_family = AF_UNSPEC;
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hints.ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG);
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};
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int s = getaddrinfo(p_hostname.utf8().get_data(), NULL, &hints, &result);
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if (s != 0) {
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ERR_PRINT("getaddrinfo failed!");
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return IP_Address();
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};
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if (result == NULL || result->ai_addr == NULL) {
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ERR_PRINT("Invalid response from getaddrinfo");
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return IP_Address();
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};
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IP_Address ip = _sockaddr2ip(result->ai_addr);
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freeaddrinfo(result);
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return ip;
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}
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#if defined(WINDOWS_ENABLED)
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#if defined(UWP_ENABLED)
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void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
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using namespace Windows::Networking;
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using namespace Windows::Networking::Connectivity;
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auto hostnames = NetworkInformation::GetHostNames();
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for (int i = 0; i < hostnames->Size; i++) {
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if (hostnames->GetAt(i)->Type == HostNameType::Ipv4 || hostnames->GetAt(i)->Type == HostNameType::Ipv6 && hostnames->GetAt(i)->IPInformation != nullptr) {
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r_addresses->push_back(IP_Address(String(hostnames->GetAt(i)->CanonicalName->Data())));
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}
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}
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};
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#else
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void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
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ULONG buf_size = 1024;
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IP_ADAPTER_ADDRESSES* addrs;
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while (true) {
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addrs = (IP_ADAPTER_ADDRESSES*)memalloc(buf_size);
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int err = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_SKIP_ANYCAST |
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GAA_FLAG_SKIP_MULTICAST |
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GAA_FLAG_SKIP_DNS_SERVER |
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GAA_FLAG_SKIP_FRIENDLY_NAME,
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NULL, addrs, &buf_size);
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if (err == NO_ERROR) {
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break;
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};
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memfree(addrs);
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if (err == ERROR_BUFFER_OVERFLOW) {
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continue; // will go back and alloc the right size
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};
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ERR_EXPLAIN("Call to GetAdaptersAddresses failed with error " + itos(err));
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ERR_FAIL();
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return;
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};
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IP_ADAPTER_ADDRESSES* adapter = addrs;
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while (adapter != NULL) {
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IP_ADAPTER_UNICAST_ADDRESS* address = adapter->FirstUnicastAddress;
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while (address != NULL) {
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IP_Address ip;
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if (address->Address.lpSockaddr->sa_family == AF_INET) {
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SOCKADDR_IN* ipv4 = reinterpret_cast<SOCKADDR_IN*>(address->Address.lpSockaddr);
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ip.field32[0] = *((unsigned long*)&ipv4->sin_addr);
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ip.type = IP_Address::TYPE_IPV4;
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} else { // ipv6
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SOCKADDR_IN6* ipv6 = reinterpret_cast<SOCKADDR_IN6*>(address->Address.lpSockaddr);
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for (int i=0; i<16; i++) {
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ip.field8[i] = ipv6->sin6_addr.s6_addr[i];
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};
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ip.type = IP_Address::TYPE_IPV6;
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};
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r_addresses->push_back(ip);
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address = address->Next;
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};
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adapter = adapter->Next;
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};
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memfree(addrs);
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};
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#endif
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#else
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void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
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struct ifaddrs * ifAddrStruct=NULL;
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struct ifaddrs * ifa=NULL;
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getifaddrs(&ifAddrStruct);
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for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
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if (!ifa->ifa_addr)
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continue;
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IP_Address ip = _sockaddr2ip(ifa->ifa_addr);
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r_addresses->push_back(ip);
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}
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if (ifAddrStruct!=NULL) freeifaddrs(ifAddrStruct);
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}
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#endif
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void IP_Unix::make_default() {
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_create=_create_unix;
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}
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IP* IP_Unix::_create_unix() {
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return memnew( IP_Unix );
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}
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IP_Unix::IP_Unix() {
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}
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#endif
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