Rebuild directory structure

socket/address.hpp

@@ -0,0 +1,71 @@
+#include <WinSock2.h>
+#include <ws2tcpip.h>
+#include <iphlpapi.h>
+
+struct AddrInfoPtr {
+    struct addrinfo *info;
+
+    AddrInfoPtr() noexcept:
+    info(nullptr) {}
+    ~AddrInfoPtr() noexcept {
+        freeaddrinfo(info);
+    }
+
+    addrinfo** operator&() noexcept {
+        return &info;
+    }
+    addrinfo& operator*() noexcept {
+        return *info;
+    }
+    addrinfo* operator->() noexcept {
+        return info;
+    }
+    const addrinfo& operator*() const noexcept {
+        return *info;
+    }
+
+    operator addrinfo*() noexcept {
+        return info;
+    }
+};
+
+struct AddrInfo {
+    struct addrinfo info;
+
+    static AddrInfoPtr get_local_addrinfo(PCSTR port) {
+        AddrInfo hints;
+
+        hints->ai_family = AF_INET;
+        hints->ai_socktype = SOCK_STREAM;
+        hints->ai_protocol = IPPROTO_TCP;
+        hints->ai_flags = AI_PASSIVE;
+
+        return hints.get_addrinfo(NULL, port);
+    }
+
+    AddrInfo() noexcept {
+        ZeroMemory(&info, sizeof(info));
+    }
+    ~AddrInfo() noexcept = default;
+
+    addrinfo* operator->() noexcept {
+        return &info;
+    }
+    addrinfo* operator&() noexcept {
+        return &info;
+    }
+
+    operator const addrinfo&() const noexcept {
+        return info;
+    }
+    operator addrinfo&() noexcept {
+        return info;
+    }
+
+    AddrInfoPtr get_addrinfo(PCSTR node, PCSTR service) {
+        AddrInfoPtr ptr;
+        int result = getaddrinfo(node, service, &info, &ptr);
+        if (result == SOCKET_ERROR) throw result;
+        return ptr;
+    }
+};