godot/drivers/unix/ip_unix.cpp

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2014-02-10 01:10:30 +00:00
/*************************************************************************/
/* ip_unix.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "ip_unix.h"
#if defined(UNIX_ENABLED) || defined(WINDOWS_ENABLED) && !defined(WINRT_ENABLED)
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#ifdef WINDOWS_ENABLED
#ifdef WINRT_ENABLED
#include <ws2tcpip.h>
#include <winsock2.h>
#include <windows.h>
#include <stdio.h>
#else
#define WINVER 0x0600
#include <ws2tcpip.h>
#include <winsock2.h>
#include <windows.h>
#include <stdio.h>
#include <iphlpapi.h>
#endif
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#else
#include <netdb.h>
#ifdef ANDROID_ENABLED
#include "platform/android/ifaddrs_android.h"
#else
#ifdef __FreeBSD__
#include <sys/types.h>
#endif
#include <ifaddrs.h>
#endif
#include <arpa/inet.h>
#include <sys/socket.h>
#ifdef __FreeBSD__
#include <netinet/in.h>
#endif
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#endif
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IP_Address IP_Unix::_resolve_hostname(const String& p_hostname) {
struct hostent *he;
if ((he=gethostbyname(p_hostname.utf8().get_data())) == NULL) { // get the host info
ERR_PRINT("gethostbyname failed!");
return IP_Address();
}
IP_Address ip;
ip.host= *((unsigned long*)he->h_addr);
return ip;
}
#if defined(WINDOWS_ENABLED)
#if defined(WINRT_ENABLED)
void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
};
#else
void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
ULONG buf_size = 1024;
IP_ADAPTER_ADDRESSES* addrs;
while (true) {
addrs = (IP_ADAPTER_ADDRESSES*)memalloc(buf_size);
int err = GetAdaptersAddresses(AF_INET, GAA_FLAG_SKIP_ANYCAST |
GAA_FLAG_SKIP_MULTICAST |
GAA_FLAG_SKIP_DNS_SERVER |
GAA_FLAG_SKIP_FRIENDLY_NAME,
NULL, 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_EXPLAIN("Call to GetAdaptersAddresses failed with error " + itos(err));
ERR_FAIL();
return;
};
IP_ADAPTER_ADDRESSES* adapter = addrs;
while (adapter != NULL) {
IP_ADAPTER_UNICAST_ADDRESS* address = adapter->FirstUnicastAddress;
while (address != NULL) {
char addr_chr[INET_ADDRSTRLEN];
SOCKADDR_IN* ipv4 = reinterpret_cast<SOCKADDR_IN*>(address->Address.lpSockaddr);
IP_Address ip;
ip.host= *((unsigned long*)&ipv4->sin_addr);
//inet_ntop(AF_INET, &ipv4->sin_addr, addr_chr, INET_ADDRSTRLEN);
r_addresses->push_back(ip);
address = address->Next;
};
adapter = adapter->Next;
};
memfree(addrs);
};
#endif
#else
void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
struct ifaddrs * ifAddrStruct=NULL;
struct ifaddrs * ifa=NULL;
getifaddrs(&ifAddrStruct);
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
if (!ifa->ifa_addr)
continue;
if (ifa ->ifa_addr->sa_family==AF_INET) { // check it is IP4
// is a valid IP4 Address
IP_Address ip;
ip.host= *((unsigned long*)&((struct sockaddr_in *)ifa->ifa_addr)->sin_addr);
r_addresses->push_back(ip);
}/* else if (ifa->ifa_addr->sa_family==AF_INET6) { // check it is IP6
// is a valid IP6 Address
tmpAddrPtr=&((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr;
char addressBuffer[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN);
printf("%s IP Address %s\n", ifa->ifa_name, addressBuffer);
} */
}
if (ifAddrStruct!=NULL) freeifaddrs(ifAddrStruct);
}
#endif
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void IP_Unix::make_default() {
_create=_create_unix;
}
IP* IP_Unix::_create_unix() {
return memnew( IP_Unix );
}
IP_Unix::IP_Unix() {
}
#endif