1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/**************************************************************************/
/* websocket_multiplayer_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 WEBSOCKET_MULTIPLAYER_PEER_H
#define WEBSOCKET_MULTIPLAYER_PEER_H
#include "core/error/error_list.h"
#include "core/io/stream_peer_tls.h"
#include "core/io/tcp_server.h"
#include "core/templates/list.h"
#include "scene/main/multiplayer_peer.h"
#include "websocket_peer.h"
class WebSocketMultiplayerPeer : public MultiplayerPeer {
GDCLASS(WebSocketMultiplayerPeer, MultiplayerPeer);
private:
Ref<WebSocketPeer> _create_peer();
protected:
enum {
SYS_NONE = 0,
SYS_ADD = 1,
SYS_DEL = 2,
SYS_ID = 3,
PROTO_SIZE = 9
};
struct Packet {
int source = 0;
uint8_t *data = nullptr;
uint32_t size = 0;
};
struct PendingPeer {
uint64_t time = 0;
Ref<StreamPeerTCP> tcp;
Ref<StreamPeer> connection;
Ref<WebSocketPeer> ws;
};
uint64_t handshake_timeout = 3000;
Ref<WebSocketPeer> peer_config;
HashMap<int, PendingPeer> pending_peers;
Ref<TCPServer> tcp_server;
bool use_tls = false;
Ref<X509Certificate> tls_certificate;
Ref<CryptoKey> tls_key;
ConnectionStatus connection_status = CONNECTION_DISCONNECTED;
List<Packet> incoming_packets;
HashMap<int, Ref<WebSocketPeer>> peers_map;
Packet current_packet;
int target_peer = 0;
int unique_id = 0;
static void _bind_methods();
void _poll_client();
void _poll_server();
void _clear();
public:
/* MultiplayerPeer */
virtual void set_target_peer(int p_target_peer) override;
virtual int get_packet_peer() const override;
virtual int get_packet_channel() const override { return 0; }
virtual TransferMode get_packet_mode() const override { return TRANSFER_MODE_RELIABLE; }
virtual int get_unique_id() const override;
virtual bool is_server_relay_supported() const override { return true; }
virtual int get_max_packet_size() const override;
virtual bool is_server() const override;
virtual void poll() override;
virtual void close() override;
virtual void disconnect_peer(int p_peer_id, bool p_force = false) override;
virtual ConnectionStatus get_connection_status() const override;
/* 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;
/* WebSocketPeer */
virtual Ref<WebSocketPeer> get_peer(int p_peer_id) const;
Error create_client(const String &p_url, bool p_verify_tls, Ref<X509Certificate> p_tls_certificate);
Error create_server(int p_port, IPAddress p_bind_ip, Ref<CryptoKey> p_tls_key, Ref<X509Certificate> p_tls_certificate);
void set_supported_protocols(const Vector<String> &p_protocols);
Vector<String> get_supported_protocols() const;
void set_handshake_headers(const Vector<String> &p_headers);
Vector<String> get_handshake_headers() const;
void set_outbound_buffer_size(int p_buffer_size);
int get_outbound_buffer_size() const;
void set_inbound_buffer_size(int p_buffer_size);
int get_inbound_buffer_size() const;
float get_handshake_timeout() const;
void set_handshake_timeout(float p_timeout);
IPAddress get_peer_address(int p_peer_id) const;
int get_peer_port(int p_peer_id) const;
void set_max_queued_packets(int p_max_queued_packets);
int get_max_queued_packets() const;
WebSocketMultiplayerPeer();
~WebSocketMultiplayerPeer();
};
#endif // WEBSOCKET_MULTIPLAYER_PEER_H
|