Initial Cross Platform Work

include/pd/net/backend.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+/*
+MIT License
+Copyright (c) 2024 - 2025 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <pd/core/core.hpp>
+#include <pd/net/socket.hpp>
+
+namespace PD {
+namespace Net {
+class Backend {
+ public:
+  Backend(const std::string& name = "NullBackend") : pName(name) {}
+  ~Backend() = default;
+  PD_SMART_CTOR(Backend)
+  virtual bool Init() = 0;
+  virtual void Deinit() = 0;
+  virtual int NewSocket() = 0;
+  virtual void Close(int sock_id) = 0;
+  virtual int GetInvalidRef() const = 0;
+  virtual bool Bind(int sock_id, u16 port) = 0;
+  virtual bool Listen(int sock_id, int backlog = 5) = 0;
+  virtual bool Accept(int sock_id, Socket::Ref client) = 0;
+  virtual bool Connect(int sock_id, const std::string& ip, u16 port) = 0;
+  virtual int Send(int sock_id, const std::string& data) = 0;
+  virtual int Receive(int sock_id, std::string& data, int size = 1024) = 0;
+
+  /** Backend identification name */
+  const std::string pName;
+};
+}  // namespace Net
+}  // namespace PD