virtualx-engine/modules/websocket/wsl_client.h
Jordan Schidlowsky 14a1303f2d
[Net] Non-blocking WebSocket hostname resolution.
Hostname is now resolved during poll in WebSocketClient (wslay) to avoid
blocking during connect.
An attempt is still made to find the hostname in the resolver cache.

(cherry picked from commit 1ec96bc206)
2022-02-11 09:50:58 +01:00

92 lines
3.7 KiB
C++

/*************************************************************************/
/* wsl_client.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 WSLCLIENT_H
#define WSLCLIENT_H
#ifndef JAVASCRIPT_ENABLED
#include "core/error_list.h"
#include "core/io/stream_peer_ssl.h"
#include "core/io/stream_peer_tcp.h"
#include "websocket_client.h"
#include "wsl_peer.h"
#include "wslay/wslay.h"
class WSLClient : public WebSocketClient {
GDCIIMPL(WSLClient, WebSocketClient);
private:
int _in_buf_size;
int _in_pkt_size;
int _out_buf_size;
int _out_pkt_size;
Ref<WSLPeer> _peer;
Ref<StreamPeerTCP> _tcp;
Ref<StreamPeer> _connection;
CharString _request;
int _requested;
uint8_t _resp_buf[WSL_MAX_HEADER_SIZE];
int _resp_pos;
String _response;
String _key;
String _host;
uint16_t _port;
Array _ip_candidates;
Vector<String> _protocols;
bool _use_ssl = false;
IP::ResolverID _resolver_id = IP::RESOLVER_INVALID_ID;
void _do_handshake();
bool _verify_headers(String &r_protocol);
public:
Error set_buffers(int p_in_buffer, int p_in_packets, int p_out_buffer, int p_out_packets);
Error connect_to_host(String p_host, String p_path, uint16_t p_port, bool p_ssl, const Vector<String> p_protocol = Vector<String>(), const Vector<String> p_custom_headers = Vector<String>());
int get_max_packet_size() const;
Ref<WebSocketPeer> get_peer(int p_peer_id) const;
void disconnect_from_host(int p_code = 1000, String p_reason = "");
IP_Address get_connected_host() const;
uint16_t get_connected_port() const;
virtual ConnectionStatus get_connection_status() const;
virtual void poll();
WSLClient();
~WSLClient();
};
#endif // JAVASCRIPT_ENABLED
#endif // WSLCLIENT_H