1er commit

src/network/Network.cpp

@@ -0,0 +1,67 @@
+#include "network/Network.h"
+
+namespace td {
+namespace network {
+
+class NetworkInitializer {
+public:
+    NetworkInitializer();
+    ~NetworkInitializer();
+
+    NetworkInitializer(const NetworkInitializer& rhs) = delete;
+    NetworkInitializer& operator=(const NetworkInitializer& rhs) = delete;
+};
+
+#ifdef _WIN32
+NetworkInitializer::NetworkInitializer() {
+    WSADATA wsaData;
+    WSAStartup(MAKEWORD(2, 2), &wsaData);
+}
+NetworkInitializer::~NetworkInitializer() {
+    WSACleanup();
+}
+#else
+NetworkInitializer::NetworkInitializer() {
+
+}
+NetworkInitializer::~NetworkInitializer() {
+
+}
+#endif
+
+NetworkInitializer initializer;
+
+IPAddresses Dns::Resolve(const std::string& host) {
+    IPAddresses list;
+    addrinfo hints = { 0 }, *addresses;
+
+    //hints.ai_family = AF_UNSPEC;
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_protocol = IPPROTO_TCP;
+
+    getaddrinfo(host.c_str(), NULL, &hints, &addresses);
+
+    for (addrinfo *p = addresses; p != NULL; p = p->ai_next) {
+#ifdef _WIN32
+        //wchar_t straddr[35];
+        //char straddr[512];
+        //DWORD len;
+        //WSAAddressToStringA(p->ai_addr, p->ai_addrlen, NULL, straddr, &len);
+
+        char* straddr = inet_ntoa(((sockaddr_in*)p->ai_addr)->sin_addr);
+
+#else
+        char straddr[512];
+
+        inet_ntop(p->ai_family, &((sockaddr_in*)p->ai_addr)->sin_addr, straddr, sizeof(straddr));
+#endif
+
+        list.push_back(IPAddress(straddr));
+    }
+
+    return list;
+}
+
+} // ns network
+} // ns mc