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/*************************************************************************/
/* wsl_peer.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 WSL_PEER_H
#define WSL_PEER_H
#ifndef WEB_ENABLED
#include "core/error/error_list.h"
#include "core/io/packet_peer.h"
#include "core/io/stream_peer_tcp.h"
#include "core/templates/ring_buffer.h"
#include "packet_buffer.h"
#include "websocket_peer.h"
#include "wslay/wslay.h"
#define WSL_MAX_HEADER_SIZE 4096
class WSLPeer : public WebSocketPeer {
GDCIIMPL(WSLPeer, WebSocketPeer);
public:
struct PeerData {
bool polling = false;
bool destroy = false;
bool valid = false;
bool is_server = false;
bool closing = false;
void *obj = nullptr;
void *peer = nullptr;
Ref<StreamPeer> conn;
Ref<StreamPeerTCP> tcp;
int id = 1;
wslay_event_context_ptr ctx = nullptr;
};
static String compute_key_response(String p_key);
static String generate_key();
private:
static bool _wsl_poll(struct PeerData *p_data);
static void _wsl_destroy(struct PeerData **p_data);
struct PeerData *_data = nullptr;
uint8_t _is_string = 0;
// Our packet info is just a boolean (is_string), using uint8_t for it.
PacketBuffer<uint8_t> _in_buffer;
Vector<uint8_t> _packet_buffer;
WriteMode write_mode = WRITE_MODE_BINARY;
int _out_buf_size = 0;
int _out_pkt_size = 0;
public:
int close_code = -1;
String close_reason;
void poll(); // Used by client and server.
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(); };
virtual int get_current_outbound_buffered_amount() const override;
virtual void close_now();
virtual void close(int p_code = 1000, String p_reason = "") override;
virtual bool is_connected_to_host() const override;
virtual IPAddress get_connected_host() const override;
virtual uint16_t get_connected_port() const override;
virtual WriteMode get_write_mode() const override;
virtual void set_write_mode(WriteMode p_mode) override;
virtual bool was_string_packet() const override;
virtual void set_no_delay(bool p_enabled) override;
void make_context(PeerData *p_data, unsigned int p_in_buf_size, unsigned int p_in_pkt_size, unsigned int p_out_buf_size, unsigned int p_out_pkt_size);
Error parse_message(const wslay_event_on_msg_recv_arg *arg);
void invalidate();
WSLPeer();
~WSLPeer();
};
#endif // WEB_ENABLED
#endif // WSL_PEER_H
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