/**************************************************************************/ /* emws_peer.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 EMWS_PEER_H #define EMWS_PEER_H #ifdef WEB_ENABLED #include "packet_buffer.h" #include "websocket_peer.h" #include "core/error/error_list.h" #include "core/io/packet_peer.h" #include "core/templates/ring_buffer.h" #include <emscripten.h> extern "C" { typedef void (*WSOnOpen)(void *p_ref, char *p_protocol); typedef void (*WSOnMessage)(void *p_ref, const uint8_t *p_buf, int p_buf_len, int p_is_string); typedef void (*WSOnClose)(void *p_ref, int p_code, const char *p_reason, int p_is_clean); typedef void (*WSOnError)(void *p_ref); extern int godot_js_websocket_create(void *p_ref, const char *p_url, const char *p_proto, WSOnOpen p_on_open, WSOnMessage p_on_message, WSOnError p_on_error, WSOnClose p_on_close); extern int godot_js_websocket_send(int p_id, const uint8_t *p_buf, int p_buf_len, int p_raw); extern int godot_js_websocket_buffered_amount(int p_id); extern void godot_js_websocket_close(int p_id, int p_code, const char *p_reason); extern void godot_js_websocket_destroy(int p_id); } class EMWSPeer : public WebSocketPeer { private: int peer_sock = -1; State ready_state = STATE_CLOSED; Vector<uint8_t> packet_buffer; PacketBuffer<uint8_t> in_buffer; uint8_t was_string = 0; int close_code = -1; String close_reason; String selected_protocol; String requested_url; static WebSocketPeer *_create() { return memnew(EMWSPeer); } static void _esws_on_connect(void *obj, char *proto); static void _esws_on_message(void *obj, const uint8_t *p_data, int p_data_size, int p_is_string); static void _esws_on_error(void *obj); static void _esws_on_close(void *obj, int code, const char *reason, int was_clean); void _clear(); Error _send(const uint8_t *p_buffer, int p_buffer_size, bool p_binary); public: static void initialize() { WebSocketPeer::_create = EMWSPeer::_create; } // PacketPeer virtual int get_available_packet_count() const override; virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override; virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override; virtual int get_max_packet_size() const override { return packet_buffer.size(); }; // WebSocketPeer virtual Error send(const uint8_t *p_buffer, int p_buffer_size, WriteMode p_mode) override; virtual Error connect_to_url(const String &p_url, Ref<TLSOptions> p_tls_client_options) override; virtual Error accept_stream(Ref<StreamPeer> p_stream) override; virtual void close(int p_code = 1000, String p_reason = "") override; virtual void poll() override; virtual State get_ready_state() const override; virtual int get_close_code() const override; virtual String get_close_reason() const override; virtual int get_current_outbound_buffered_amount() const override; virtual IPAddress get_connected_host() const override; virtual uint16_t get_connected_port() const override; virtual String get_selected_protocol() const override; virtual String get_requested_url() const override; virtual bool was_string_packet() const override; virtual void set_no_delay(bool p_enabled) override; EMWSPeer(); ~EMWSPeer(); }; #endif // WEB_ENABLED #endif // EMWS_PEER_H