staging some future refactoring, .h -> hpp, fix for rendering w/ audio

src/socket.hpp

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <cstddef>
+#include <string>
+
+#ifdef _WIN32
+  #include <winsock2.h>
+  #include <ws2tcpip.h>
+using socket_handle = SOCKET;
+constexpr socket_handle SOCKET_INVALID = INVALID_SOCKET;
+#else
+  #include <arpa/inet.h>
+  #include <netinet/in.h>
+  #include <sys/socket.h>
+  #include <unistd.h>
+using socket_handle = int;
+constexpr socket_handle SOCKET_INVALID = -1;
+#endif
+
+namespace anm2ed
+{
+  enum SocketRole
+  {
+    SERVER,
+    CLIENT
+  };
+
+  struct SocketAddress
+  {
+    std::string host{};
+    unsigned short port{};
+  };
+
+  class Socket
+  {
+  private:
+    socket_handle handle;
+    SocketRole role{};
+    int lastError{};
+
+  public:
+    Socket();
+    ~Socket();
+
+    Socket(const Socket&) = delete;
+    Socket& operator=(const Socket&) = delete;
+    Socket(Socket&& other) noexcept;
+    Socket& operator=(Socket&& other) noexcept;
+
+    bool open(SocketRole role);
+    bool bind(const SocketAddress&);
+    bool listen();
+    Socket accept();
+    bool connect(const SocketAddress&);
+
+    bool send(const void*, size_t);
+    bool receive(void*, size_t);
+
+    void close();
+    bool is_valid() const;
+    int last_error() const;
+  };
+}