sceNetInet and sceNetResolver support.

Co-authored-by: AdamN <anr2000@gmail.com>

Core/Net/InetCommon.cpp

@@ -0,0 +1,54 @@
+// TODO: license
+
+#if __linux__ || __APPLE__ || defined(__OpenBSD__)
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#endif
+
+// TODO: fixme move Core/Net to Common/Net
+#include "Common/Net/Resolve.h"
+#include "Core/Net/InetCommon.h"
+#include "Common/Data/Text/Parsers.h"
+
+#include "Common/Serialize/Serializer.h"
+#include "Core/Config.h"
+#include "Core/HLE/HLE.h"
+#include "Core/MemMapHelpers.h"
+
+#include "Core/HLE/proAdhoc.h"
+
+#include <iostream>
+#include <shared_mutex>
+
+#include "Core/HLE/sceNp.h"
+
+#if PPSSPP_PLATFORM(WINDOWS)
+#define close closesocket
+#endif
+
+bool getDefaultOutboundSockaddr(sockaddr_in& destSockaddrIn, socklen_t& destSocklen) {
+    auto fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (fd < 0) {
+        ERROR_LOG(SCENET, "getSockAddrFromDefaultSocket: Failed to open socket (%s)", strerror(errno));
+        return false;
+    }
+    sockaddr_in connectingTo;
+    memset(&connectingTo, 0, sizeof(connectingTo));
+    connectingTo.sin_family = AF_INET;
+    connectingTo.sin_port = htons(53);
+    connectingTo.sin_addr.s_addr = 0x08080808;
+    if (connect(fd, (sockaddr*) &connectingTo, sizeof(connectingTo)) < 0) {
+        ERROR_LOG(SCENET, "getSockAddrFromDefaultSocket: Failed to connect to Google (%s)", strerror(errno));
+        close(fd);
+        return false;
+    }
+    if (getsockname(fd, (sockaddr*) &destSockaddrIn, &destSocklen) < 0) {
+        ERROR_LOG(SCENET, "getSockAddrFromDefaultSocket: Failed to execute getsockname (%s)", strerror(errno));
+        close(fd);
+        return false;
+    }
+    close(fd);
+    return true;
+}