initial commit, 4.5 stable

core/io/ip_address.h

@@ -0,0 +1,100 @@
+/**************************************************************************/
+/*  ip_address.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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/string/ustring.h"
+
+struct [[nodiscard]] IPAddress {
+private:
+	union {
+		uint8_t field8[16];
+		uint16_t field16[8];
+		uint32_t field32[4];
+	};
+
+	bool valid;
+	bool wildcard;
+
+protected:
+	void _parse_ipv6(const String &p_string);
+	void _parse_ipv4(const String &p_string, int p_start, uint8_t *p_ret);
+
+public:
+	//operator Variant() const;
+	bool operator==(const IPAddress &p_ip) const {
+		if (p_ip.valid != valid) {
+			return false;
+		}
+		if (!valid) {
+			return false;
+		}
+		for (int i = 0; i < 4; i++) {
+			if (field32[i] != p_ip.field32[i]) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	bool operator!=(const IPAddress &p_ip) const {
+		if (p_ip.valid != valid) {
+			return true;
+		}
+		if (!valid) {
+			return true;
+		}
+		for (int i = 0; i < 4; i++) {
+			if (field32[i] != p_ip.field32[i]) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	void clear();
+	bool is_wildcard() const { return wildcard; }
+	bool is_valid() const { return valid; }
+	bool is_ipv4() const;
+	const uint8_t *get_ipv4() const;
+	void set_ipv4(const uint8_t *p_ip);
+
+	const uint8_t *get_ipv6() const;
+	void set_ipv6(const uint8_t *p_buf);
+
+	explicit operator String() const;
+	IPAddress(const String &p_string);
+	IPAddress(uint32_t p_a, uint32_t p_b, uint32_t p_c, uint32_t p_d, bool is_v6 = false);
+	IPAddress() { clear(); }
+};
+
+// Zero-constructing IPAddress initializes field, valid, and wildcard to 0 (and thus empty).
+template <>
+struct is_zero_constructible<IPAddress> : std::true_type {};