Add websocket module.

Webassembly is client-only for obvious reasons. Other platforms support both client and server using libwebsockets.
2025-11-05 12:10:55 +00:00 · 2017-12-21 03:13:23 +01:00
parent fa33e0f62d
commit 6a644d3ee1
26 changed files with 2847 additions and 0 deletions
--- a/modules/websocket/websocket_client.cpp
+++ b/modules/websocket/websocket_client.cpp
@@ -0,0 +1,123 @@
+/*************************************************************************/
+/*  websocket_client.cpp                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                      GODOT WEBSOCKET MODULE                           */
+/*            https://github.com/LudiDorici/godot-websocket              */
+/*************************************************************************/
+/* Copyright (c) 2017 Ludi Dorici, di Alessandrelli Fabio                */
+/*                                                                       */
+/* 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 "websocket_client.h"
+
+GDCINULL(WebSocketClient);
+
+WebSocketClient::WebSocketClient() {
+}
+
+WebSocketClient::~WebSocketClient() {
+}
+
+Error WebSocketClient::connect_to_url(String p_url, PoolVector<String> p_protocols, bool gd_mp_api) {
+	_is_multiplayer = gd_mp_api;
+
+	String host = p_url;
+	String path = "/";
+	int p_len = -1;
+	int port = 80;
+	bool ssl = false;
+	if (host.begins_with("wss://")) {
+		ssl = true; // we should implement this
+		host = host.substr(6, host.length() - 6);
+		port = 443;
+	} else {
+		ssl = false;
+		if (host.begins_with("ws://"))
+			host = host.substr(5, host.length() - 5);
+	}
+
+	// Path
+	p_len = host.find("/");
+	if (p_len != -1) {
+		path = host.substr(p_len, host.length() - p_len);
+		host = host.substr(0, p_len);
+	}
+
+	// Port
+	p_len = host.find_last(":");
+	if (p_len != -1 && p_len == host.find(":")) {
+		port = host.substr(p_len, host.length() - p_len).to_int();
+		host = host.substr(0, p_len);
+	}
+
+	return connect_to_host(host, path, port, ssl, p_protocols);
+}
+
+bool WebSocketClient::is_server() const {
+
+	return false;
+}
+
+void WebSocketClient::_on_peer_packet() {
+
+	if (_is_multiplayer) {
+		_process_multiplayer(get_peer(1), 1);
+	} else {
+		emit_signal("data_received");
+	}
+}
+
+void WebSocketClient::_on_connect(String p_protocol) {
+
+	if (_is_multiplayer) {
+		// need to wait for ID confirmation...
+	} else {
+		emit_signal("connection_established", p_protocol);
+	}
+}
+
+void WebSocketClient::_on_disconnect() {
+
+	if (_is_multiplayer) {
+		emit_signal("connection_failed");
+	} else {
+		emit_signal("connection_closed");
+	}
+}
+
+void WebSocketClient::_on_error() {
+
+	if (_is_multiplayer) {
+		emit_signal("connection_failed");
+	} else {
+		emit_signal("connection_error");
+	}
+}
+
+void WebSocketClient::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("connect_to_url", "url", "protocols", "gd_mp_api"), &WebSocketClient::connect_to_url, DEFVAL(PoolVector<String>()), DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("disconnect_from_host"), &WebSocketClient::disconnect_from_host);
+
+	ADD_SIGNAL(MethodInfo("data_received"));
+	ADD_SIGNAL(MethodInfo("connection_established", PropertyInfo(Variant::STRING, "protocol")));
+	ADD_SIGNAL(MethodInfo("connection_closed"));
+	ADD_SIGNAL(MethodInfo("connection_error"));
+}