[Net] Split Unix/Windows NetSocket implementation

1 files changed, 102 insertions, 0 deletions

diff --git a/drivers/windows/net_socket_winsock.h b/drivers/windows/net_socket_winsock.h
new file mode 100644
index 0000000000..5c3445b8cb
--- /dev/null
+++ b/drivers/windows/net_socket_winsock.h
@@ -0,0 +1,102 @@
+/**************************************************************************/
+/*  net_socket_winsock.h                                                  */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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.                 */
+/**************************************************************************/
+
+#ifndef NET_SOCKET_WINSOCK_H
+#define NET_SOCKET_WINSOCK_H
+
+#ifdef WINDOWS_ENABLED
+
+#include "core/io/net_socket.h"
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+class NetSocketWinSock : public NetSocket {
+private:
+	SOCKET _sock = INVALID_SOCKET;
+	IP::Type _ip_type = IP::TYPE_NONE;
+	bool _is_stream = false;
+
+	enum NetError {
+		ERR_NET_WOULD_BLOCK,
+		ERR_NET_IS_CONNECTED,
+		ERR_NET_IN_PROGRESS,
+		ERR_NET_ADDRESS_INVALID_OR_UNAVAILABLE,
+		ERR_NET_UNAUTHORIZED,
+		ERR_NET_BUFFER_TOO_SMALL,
+		ERR_NET_OTHER,
+	};
+
+	NetError _get_socket_error() const;
+	void _set_socket(SOCKET p_sock, IP::Type p_ip_type, bool p_is_stream);
+	_FORCE_INLINE_ Error _change_multicast_group(IPAddress p_ip, String p_if_name, bool p_add);
+
+protected:
+	static NetSocket *_create_func();
+
+	bool _can_use_ip(const IPAddress &p_ip, const bool p_for_bind) const;
+
+public:
+	static void make_default();
+	static void cleanup();
+	static void _set_ip_port(struct sockaddr_storage *p_addr, IPAddress *r_ip, uint16_t *r_port);
+	static size_t _set_addr_storage(struct sockaddr_storage *p_addr, const IPAddress &p_ip, uint16_t p_port, IP::Type p_ip_type);
+
+	virtual Error open(Type p_sock_type, IP::Type &ip_type) override;
+	virtual void close() override;
+	virtual Error bind(IPAddress p_addr, uint16_t p_port) override;
+	virtual Error listen(int p_max_pending) override;
+	virtual Error connect_to_host(IPAddress p_host, uint16_t p_port) override;
+	virtual Error poll(PollType p_type, int timeout) const override;
+	virtual Error recv(uint8_t *p_buffer, int p_len, int &r_read) override;
+	virtual Error recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IPAddress &r_ip, uint16_t &r_port, bool p_peek = false) override;
+	virtual Error send(const uint8_t *p_buffer, int p_len, int &r_sent) override;
+	virtual Error sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IPAddress p_ip, uint16_t p_port) override;
+	virtual Ref<NetSocket> accept(IPAddress &r_ip, uint16_t &r_port) override;
+
+	virtual bool is_open() const override;
+	virtual int get_available_bytes() const override;
+	virtual Error get_socket_address(IPAddress *r_ip, uint16_t *r_port) const override;
+
+	virtual Error set_broadcasting_enabled(bool p_enabled) override;
+	virtual void set_blocking_enabled(bool p_enabled) override;
+	virtual void set_ipv6_only_enabled(bool p_enabled) override;
+	virtual void set_tcp_no_delay_enabled(bool p_enabled) override;
+	virtual void set_reuse_address_enabled(bool p_enabled) override;
+	virtual Error join_multicast_group(const IPAddress &p_multi_address, const String &p_if_name) override;
+	virtual Error leave_multicast_group(const IPAddress &p_multi_address, const String &p_if_name) override;
+
+	NetSocketWinSock();
+	~NetSocketWinSock() override;
+};
+
+#endif // WINDOWS_ENABLED
+
+#endif // NET_SOCKET_WINSOCK_H