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
|
/*************************************************************************/
/* packet_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 PACKET_PEER_H
#define PACKET_PEER_H
#include "core/io/stream_peer.h"
#include "core/object/class_db.h"
#include "core/templates/ring_buffer.h"
#include "core/object/gdvirtual.gen.inc"
#include "core/object/script_language.h"
#include "core/variant/native_ptr.h"
class PacketPeer : public RefCounted {
GDCLASS(PacketPeer, RefCounted);
Variant _bnd_get_var(bool p_allow_objects = false);
static void _bind_methods();
Error _put_packet(const Vector<uint8_t> &p_buffer);
Vector<uint8_t> _get_packet();
Error _get_packet_error() const;
mutable Error last_get_error = OK;
int encode_buffer_max_size = 8 * 1024 * 1024;
Vector<uint8_t> encode_buffer;
public:
virtual int get_available_packet_count() const = 0;
virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) = 0; ///< buffer is GONE after next get_packet
virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) = 0;
virtual int get_max_packet_size() const = 0;
/* helpers / binders */
virtual Error get_packet_buffer(Vector<uint8_t> &r_buffer);
virtual Error put_packet_buffer(const Vector<uint8_t> &p_buffer);
virtual Error get_var(Variant &r_variant, bool p_allow_objects = false);
virtual Error put_var(const Variant &p_packet, bool p_full_objects = false);
void set_encode_buffer_max_size(int p_max_size);
int get_encode_buffer_max_size() const;
PacketPeer() {}
~PacketPeer() {}
};
class PacketPeerExtension : public PacketPeer {
GDCLASS(PacketPeerExtension, PacketPeer);
protected:
static void _bind_methods();
public:
virtual int get_available_packet_count() const override;
virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override; ///< buffer is GONE after next get_packet
virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override;
virtual int get_max_packet_size() const override;
/* GDExtension */
GDVIRTUAL0RC(int, _get_available_packet_count);
GDVIRTUAL2R(int, _get_packet, GDNativeConstPtr<const uint8_t *>, GDNativePtr<int>);
GDVIRTUAL2R(int, _put_packet, GDNativeConstPtr<const uint8_t>, int);
GDVIRTUAL0RC(int, _get_max_packet_size);
};
class PacketPeerStream : public PacketPeer {
GDCLASS(PacketPeerStream, PacketPeer);
//the way the buffers work sucks, will change later
mutable Ref<StreamPeer> peer;
mutable RingBuffer<uint8_t> ring_buffer;
mutable Vector<uint8_t> input_buffer;
mutable Vector<uint8_t> output_buffer;
Error _poll_buffer() const;
protected:
static void _bind_methods();
public:
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;
void set_stream_peer(const Ref<StreamPeer> &p_peer);
Ref<StreamPeer> get_stream_peer() const;
void set_input_buffer_max_size(int p_max_size);
int get_input_buffer_max_size() const;
void set_output_buffer_max_size(int p_max_size);
int get_output_buffer_max_size() const;
PacketPeerStream();
};
#endif // PACKET_PEER_H
|