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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
/*************************************************************************/
/* godot.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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. */
/*************************************************************************/
/**
@file godot.cpp
@brief ENet Godot specific functions
*/
#include "core/io/ip.h"
#include "core/io/packet_peer_udp.h"
#include "core/os/os.h"
// This must be last for windows to compile (tested with MinGW)
#include "enet/enet.h"
static enet_uint32 timeBase = 0;
int enet_initialize(void) {
return 0;
}
void enet_deinitialize(void) {
}
enet_uint32 enet_host_random_seed(void) {
return (enet_uint32)OS::get_singleton()->get_unix_time();
}
enet_uint32 enet_time_get(void) {
return OS::get_singleton()->get_ticks_msec() - timeBase;
}
void enet_time_set(enet_uint32 newTimeBase) {
timeBase = OS::get_singleton()->get_ticks_msec() - newTimeBase;
}
int enet_address_set_host(ENetAddress *address, const char *name) {
IP_Address ip = IP::get_singleton()->resolve_hostname(name);
ERR_FAIL_COND_V(!ip.is_valid(), -1);
enet_address_set_ip(address, ip.get_ipv6(), 16);
return 0;
}
void enet_address_set_ip(ENetAddress *address, const uint8_t *ip, size_t size) {
int len = size > 16 ? 16 : size;
memset(address->host, 0, 16);
memcpy(address->host, ip, len);
}
int enet_address_get_host_ip(const ENetAddress *address, char *name, size_t nameLength) {
return -1;
}
int enet_address_get_host(const ENetAddress *address, char *name, size_t nameLength) {
return -1;
}
int enet_socket_bind(ENetSocket socket, const ENetAddress *address) {
IP_Address ip;
if (address->wildcard) {
ip = IP_Address("*");
} else {
ip.set_ipv6(address->host);
}
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
if (sock->listen(address->port, ip) != OK) {
return -1;
}
return 0;
}
ENetSocket enet_socket_create(ENetSocketType type) {
PacketPeerUDP *socket = PacketPeerUDP::create();
socket->set_blocking_mode(false);
return socket;
}
void enet_socket_destroy(ENetSocket socket) {
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
sock->close();
memdelete(sock);
}
int enet_socket_send(ENetSocket socket, const ENetAddress *address, const ENetBuffer *buffers, size_t bufferCount) {
ERR_FAIL_COND_V(address == NULL, -1);
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
IP_Address dest;
Error err;
size_t i = 0;
dest.set_ipv6(address->host);
sock->set_dest_address(dest, address->port);
// Create a single packet.
PoolVector<uint8_t> out;
PoolVector<uint8_t>::Write w;
int size = 0;
int pos = 0;
for (i = 0; i < bufferCount; i++) {
size += buffers[i].dataLength;
}
out.resize(size);
w = out.write();
for (i = 0; i < bufferCount; i++) {
memcpy(&w[pos], buffers[i].data, buffers[i].dataLength);
pos += buffers[i].dataLength;
}
err = sock->put_packet((const uint8_t *)&w[0], size);
if (err != OK) {
if (err == ERR_UNAVAILABLE) { // blocking call
return 0;
}
WARN_PRINT("Sending failed!");
return -1;
}
return size;
}
int enet_socket_receive(ENetSocket socket, ENetAddress *address, ENetBuffer *buffers, size_t bufferCount) {
ERR_FAIL_COND_V(bufferCount != 1, -1);
PacketPeerUDP *sock = (PacketPeerUDP *)socket;
int pc = sock->get_available_packet_count();
if (pc < 1) {
return pc;
}
const uint8_t *buffer;
int buffer_size;
Error err = sock->get_packet(&buffer, buffer_size);
if (err)
return -1;
copymem(buffers[0].data, buffer, buffer_size);
enet_address_set_ip(address, sock->get_packet_address().get_ipv6(), 16);
address->port = sock->get_packet_port();
return buffer_size;
}
// Not implemented
int enet_socket_wait(ENetSocket socket, enet_uint32 *condition, enet_uint32 timeout) {
return 0; // do we need this function?
}
int enet_socket_get_address(ENetSocket socket, ENetAddress *address) {
return -1; // do we need this function?
}
int enet_socketset_select(ENetSocket maxSocket, ENetSocketSet *readSet, ENetSocketSet *writeSet, enet_uint32 timeout) {
return -1;
}
int enet_socket_listen(ENetSocket socket, int backlog) {
return -1;
}
int enet_socket_set_option(ENetSocket socket, ENetSocketOption option, int value) {
return -1;
}
int enet_socket_get_option(ENetSocket socket, ENetSocketOption option, int *value) {
return -1;
}
int enet_socket_connect(ENetSocket socket, const ENetAddress *address) {
return -1;
}
ENetSocket enet_socket_accept(ENetSocket socket, ENetAddress *address) {
return NULL;
}
int enet_socket_shutdown(ENetSocket socket, ENetSocketShutdown how) {
return -1;
}
|