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
|
/*************************************************************************/
/* tcp_server_winsock.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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. */
/*************************************************************************/
#include "tcp_server_winsock.h"
#include "stream_peer_winsock.h"
#include <winsock2.h>
#include <ws2tcpip.h>
#include "drivers/unix/socket_helpers.h"
extern int winsock_refcount;
TCP_Server* TCPServerWinsock::_create() {
return memnew(TCPServerWinsock);
};
void TCPServerWinsock::make_default() {
TCP_Server::_create = TCPServerWinsock::_create;
if (winsock_refcount == 0) {
WSADATA data;
WSAStartup(MAKEWORD(2,2), &data);
};
++winsock_refcount;
};
void TCPServerWinsock::cleanup() {
--winsock_refcount;
if (winsock_refcount == 0) {
WSACleanup();
};
};
Error TCPServerWinsock::listen(uint16_t p_port, IP_Address::AddrType p_type,const List<String> *p_accepted_hosts) {
int sockfd;
sockfd = _socket_create(p_type, SOCK_STREAM, IPPROTO_TCP);
ERR_FAIL_COND_V(sockfd == INVALID_SOCKET, FAILED);
if(p_type == IP_Address::TYPE_IPV6) {
// Use IPv6 only socket
int yes = 1;
if(setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&yes, sizeof(yes)) != 0) {
WARN_PRINT("Unable to unset IPv4 address mapping over IPv6");
}
}
unsigned long par = 1;
if (ioctlsocket(sockfd, FIONBIO, &par)) {
perror("setting non-block mode");
stop();
return FAILED;
};
struct sockaddr_storage my_addr;
size_t addr_size = _set_listen_sockaddr(&my_addr, p_port, p_type, p_accepted_hosts);
int reuse=1;
if(setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) < 0) {
printf("REUSEADDR failed!");
}
if (bind(sockfd, (struct sockaddr *)&my_addr, addr_size) != SOCKET_ERROR) {
if (::listen(sockfd, SOMAXCONN) == SOCKET_ERROR) {
closesocket(sockfd);
ERR_FAIL_V(FAILED);
};
}
else {
return ERR_ALREADY_IN_USE;
};
if (listen_sockfd != INVALID_SOCKET) {
stop();
};
listen_sockfd = sockfd;
return OK;
};
bool TCPServerWinsock::is_connection_available() const {
if (listen_sockfd == -1) {
return false;
};
timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 0;
fd_set pfd;
FD_ZERO(&pfd);
FD_SET(listen_sockfd, &pfd);
int ret = select(listen_sockfd + 1, &pfd, NULL, NULL, &timeout);
ERR_FAIL_COND_V(ret < 0, 0);
if (ret && (FD_ISSET(listen_sockfd, &pfd))) {
return true;
};
return false;
};
Ref<StreamPeerTCP> TCPServerWinsock::take_connection() {
if (!is_connection_available()) {
return NULL;
};
struct sockaddr_storage their_addr;
int sin_size = sizeof(their_addr);
int fd = accept(listen_sockfd, (struct sockaddr *)&their_addr, &sin_size);
ERR_FAIL_COND_V(fd == INVALID_SOCKET, NULL);
Ref<StreamPeerWinsock> conn = memnew(StreamPeerWinsock);
IP_Address ip;
int port;
_set_ip_addr_port(ip, port, &their_addr);
conn->set_socket(fd, ip, port);
return conn;
};
void TCPServerWinsock::stop() {
if (listen_sockfd != INVALID_SOCKET) {
closesocket(listen_sockfd);
};
listen_sockfd = -1;
};
TCPServerWinsock::TCPServerWinsock() {
listen_sockfd = INVALID_SOCKET;
};
TCPServerWinsock::~TCPServerWinsock() {
stop();
};
|