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
|
/**************************************************************************/
/* 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 "core/error/error_list.h"
#include "core/io/packet_peer.h"
#include "core/templates/ring_buffer.h"
#include "emscripten.h"
#include "packet_buffer.h"
#include "websocket_peer.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
|