mirror of
https://github.com/hrydgard/ppsspp.git
synced 2026-07-11 01:25:07 +02:00
Move fileutil, net, image loaders, ui to Common. (#13506)
* Move and rename file_util/fd_util to Common/File/FileUtil and DirListing Let's also move net while we're at it. Move the ZIM/PNG loaders over to Common. Move the UI framework into Common iOS buildfix * Buildfix * Buildfixes * Apple buildfix * This typo again.. * UWP buildfix * Fix build of PPSSPPQt, such as it is (it's not in good condition...) * Guess what? Another buildfix.
This commit is contained in:
Henrik Rydgård
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#include "ppsspp_config.h"
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#include "Common/Net/Resolve.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include <vector>
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#ifdef _WIN32
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#include <WinSock2.h>
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#include <Ws2tcpip.h>
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#ifndef AI_ADDRCONFIG
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#define AI_ADDRCONFIG 0x0400
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#endif
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#undef min
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#undef max
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#else
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#endif
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#include "Common/TimeUtil.h"
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namespace net {
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void Init()
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{
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#ifdef _WIN32
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// WSA does its own internal reference counting, no need to keep track of if we inited or not.
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WSADATA wsaData = {0};
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WSAStartup(MAKEWORD(2, 2), &wsaData);
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#endif
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}
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void Shutdown()
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{
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#ifdef _WIN32
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WSACleanup();
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#endif
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}
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bool DNSResolve(const std::string &host, const std::string &service, addrinfo **res, std::string &error, DNSType type) {
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#if PPSSPP_PLATFORM(SWITCH)
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// Force IPv4 lookups.
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if (type == DNSType::IPV6) {
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*res = nullptr;
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return false;
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} else if (type == DNSType::ANY) {
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type = DNSType::IPV4;
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}
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#endif
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addrinfo hints = {0};
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// TODO: Might be uses to lookup other values.
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hints.ai_socktype = SOCK_STREAM;
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#ifdef __ANDROID__
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hints.ai_flags = AI_ADDRCONFIG;
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#else
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// AI_V4MAPPED seems to have issues on some platforms, not sure we should include it:
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// http://stackoverflow.com/questions/1408030/what-is-the-purpose-of-the-ai-v4mapped-flag-in-getaddrinfo
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hints.ai_flags = /*AI_V4MAPPED |*/ AI_ADDRCONFIG;
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#endif
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hints.ai_protocol = 0;
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if (type == DNSType::IPV4)
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hints.ai_family = AF_INET;
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else if (type == DNSType::IPV6)
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hints.ai_family = AF_INET6;
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const char *servicep = service.length() == 0 ? nullptr : service.c_str();
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*res = nullptr;
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int result = getaddrinfo(host.c_str(), servicep, &hints, res);
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if (result == EAI_AGAIN) {
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// Temporary failure. Since this already blocks, let's just try once more.
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sleep_ms(1);
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result = getaddrinfo(host.c_str(), servicep, &hints, res);
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}
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if (result != 0) {
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#ifdef _WIN32
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error = gai_strerrorA(result);
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#else
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error = gai_strerror(result);
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#endif
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if (*res != nullptr)
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freeaddrinfo(*res);
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*res = nullptr;
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return false;
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}
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return true;
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}
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void DNSResolveFree(addrinfo *res)
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{
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if (res != NULL)
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freeaddrinfo(res);
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}
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bool GetIPList(std::vector<std::string> &IP4s) {
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char ipstr[INET6_ADDRSTRLEN]; // We use IPv6 length since it's longer than IPv4
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#if defined(getifaddrs) // On Android: Requires __ANDROID_API__ >= 24
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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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if (ifAddrStruct != NULL) {
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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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}
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if (ifa->ifa_addr->sa_family == AF_INET) {
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// is a valid IP4 Address
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if (inet_ntop(AF_INET, &((struct sockaddr_in*)ifa->ifa_addr)->sin_addr, ipstr, sizeof(ipstr)) != 0) {
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IP4s.push_back(ipstr);
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}
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}
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/*else if (ifa->ifa_addr->sa_family == AF_INET6) {
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// is a valid IP6 Address
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if (inet_ntop(AF_INET6, &((struct sockaddr_in6*)ifa->ifa_addr)->sin6_addr, ipstr, sizeof(ipstr)) != 0) {
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IP6s.push_back(ipstr);
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}
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}*/
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}
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freeifaddrs(ifAddrStruct);
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return true;
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}
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#elif defined(SIOCGIFCONF) // Better detection on Linux/UNIX/MacOS/some Android
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#include <linux/if.h>
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static struct ifreq ifreqs[32];
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struct ifconf ifconf;
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memset(&ifconf, 0, sizeof(ifconf));
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ifconf.ifc_req = ifreqs;
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ifconf.ifc_len = sizeof(ifreqs);
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int sd = socket(AF_INET, SOCK_DGRAM, 0);
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if (sd < 0) return false;
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int r = ioctl(sd, SIOCGIFCONF, (char*)&ifconf);
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if (r != 0) return false;
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for (int i = 0; i < ifconf.ifc_len / sizeof(struct ifreq); ++i)
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{
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if (ifreqs[i].ifr_addr.sa_family == AF_INET) {
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// is a valid IP4 Address
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if (inet_ntop(AF_INET, &((struct sockaddr_in*)&ifreqs[i].ifr_addr)->sin_addr, ipstr, sizeof(ipstr)) != 0) {
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IP4s.push_back(ipstr);
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}
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}
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/*else if (ifreqs[i].ifr_addr.sa_family == AF_INET6) {
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// is a valid IP6 Address
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if (inet_ntop(AF_INET6, &((struct sockaddr_in6*)&ifreqs[i].ifr_addr)->sin6_addr, ipstr, sizeof(ipstr)) != 0) {
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IP6s.push_back(ipstr);
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}
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}*/
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}
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close(sd);
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return true;
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#else // Fallback to POSIX/Cross-platform way but may not works well on Linux (ie. only shows 127.0.0.1)
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struct addrinfo hints, * res, * p;
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memset(&hints, 0, sizeof hints);
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hints.ai_family = AF_UNSPEC; // AF_INET or AF_INET6 to force version
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hints.ai_socktype = SOCK_DGRAM;
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// Get local host name
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char szHostName[256] = "";
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if (::gethostname(szHostName, sizeof(szHostName))) {
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// Error handling
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}
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int status;
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if ((status = getaddrinfo(szHostName, NULL, &hints, &res)) != 0) {
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//fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
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return false;
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}
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for (p = res; p != NULL; p = p->ai_next) {
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if (p->ai_family == AF_INET) {
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// is a valid IP4 Address
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if (inet_ntop(p->ai_family, &(((struct sockaddr_in*)p->ai_addr)->sin_addr), ipstr, sizeof(ipstr)) != 0) {
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IP4s.push_back(ipstr);
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}
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}
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/*else if (p->ai_family == AF_INET6) {
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// is a valid IP6 Address
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if (inet_ntop(p->ai_family, &(((struct sockaddr_in6*)p->ai_addr)->sin6_addr), ipstr, sizeof(ipstr)) != 0) {
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IP6s.push_back(ipstr);
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}
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}*/
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}
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freeaddrinfo(res); // free the linked list
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return true;
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#endif
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return false;
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}
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int inet_pton(int af, const char* src, void* dst)
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{
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if (af == AF_INET)
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{
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unsigned char *ip = (unsigned char *)dst;
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int k = 0, x = 0;
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char ch;
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for (int i = 0; (ch = src[i]) != 0; i++)
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{
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if (ch == '.')
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{
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ip[k++] = x;
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if (k == 4)
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return 0;
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x = 0;
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}
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else if (ch < '0' || ch > '9')
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return 0;
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else
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x = x * 10 + ch - '0';
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if (x > 255)
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return 0;
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}
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ip[k++] = x;
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if (k != 4)
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return 0;
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}
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else if (af == AF_INET6)
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{
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unsigned short* ip = ( unsigned short* )dst;
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int i;
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for (i = 0; i < 8; i++) ip[i] = 0;
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int k = 0;
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unsigned int x = 0;
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char ch;
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int marknum = 0;
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for (i = 0; src[i] != 0; i++)
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{
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if (src[i] == ':')
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marknum++;
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}
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for (i = 0; (ch = src[i]) != 0; i++)
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{
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if (ch == ':')
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{
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x = ((x & 0xFF00) >> 8) | ((x & 0x00FF) << 8);
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ip[k++] = x;
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if (k == 8)
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return 0;
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x = 0;
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if (i > 0 && src[i - 1] == ':')
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k += 7 - marknum;
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}
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else if (ch >= '0' && ch <= '9')
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x = x * 16 + ch - '0';
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else if (ch >= 'a' && ch <= 'f')
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x = x * 16 + ch - 'a' + 10;
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else if (ch >= 'A' && ch <= 'F')
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x = x * 16 + ch - 'A' + 10;
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else
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return 0;
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if (x > 0xFFFF)
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return 0;
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}
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x = ((x & 0xFF00) >> 8) | ((x & 0x00FF) << 8);
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ip[k++] = x;
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if (k != 8)
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return 0;
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}
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return 1;
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}
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}
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