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
|
/***************************************************************************
* Copyright (C) 2013 by Blade_Arma <edgbla@yandex.ru> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#if defined _WINDOWS
#include <winsock2.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include <unistd.h>
#endif
#include "typedefs.h"
#include "psemu_plugin_defs.h"
#include "sio1.h"
#include "connection.h"
/***************************************************************************/
static int serversock = -1;
static int clientsock = -1;
static struct sockaddr_in address;
static struct hostent *hostinfo;
/***************************************************************************/
s32 connectionOpen() {
switch(settings.player) {
case PLAYER_MASTER: {
int reuse_addr = 1;
int one = 1;
serversock = socket(AF_INET, SOCK_STREAM, 0);
if(serversock == -1) {
fprintf(stderr, "[SIO1] ERROR: server socket()\n");
return -1;
}
setsockopt(serversock, SOL_SOCKET, SO_REUSEADDR, (const char*)&reuse_addr, sizeof(reuse_addr));
setsockopt(serversock, IPPROTO_TCP, TCP_NODELAY, (const char*)&one, sizeof(one));
memset(&address, 0, sizeof(address));
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = settings.port;
if(bind(serversock,(struct sockaddr*)&address,sizeof(address)) == -1) {
fprintf(stderr, "[SIO1] ERROR: server bind()\n");
return -1;
}
if(listen(serversock, 1) != 0) {
fprintf(stderr, "[SIO1] ERROR: server listen()\n");
return -1;
}
clientsock = -1;
while(clientsock < 0)
clientsock = accept(serversock, NULL, NULL);
}
break;
case PLAYER_SLAVE: {
int one = 1;
memset(&address, 0, sizeof(address));
hostinfo = gethostbyname(settings.ip);
address.sin_family = AF_INET;
address.sin_addr = *((struct in_addr*)hostinfo->h_addr);
address.sin_port = settings.port;
clientsock = socket(AF_INET, SOCK_STREAM, 0);
if(clientsock == -1) {
fprintf(stderr, "[SIO1] ERROR: client socket()\n");
return -1;
}
setsockopt(clientsock, IPPROTO_TCP, TCP_NODELAY, (const char*)&one, sizeof(one));
if(connect(clientsock,(struct sockaddr*)&address,sizeof(address)) != 0) {
fprintf(stderr, "[SIO1] ERROR: client connect(%s)\n", settings.ip);
return -1;
}
}
break;
}
return 0;
}
void connectionClose() {
if(clientsock >= 0) {
//close(clientsock);
clientsock = -1;
}
if(serversock >= 0) {
//close(serversock);
serversock = -1;
}
}
/***************************************************************************/
size_t connectionSend(u8 *pdata, s32 size) {
size_t bytes = 0;
if(clientsock >= 0)
if((bytes = send(clientsock, (const char*)pdata, size, 0)) < 0)
return 0;
return bytes;
}
size_t connectionRecv(u8 *pdata, s32 size) {
size_t bytes = 0;
if(clientsock >= 0)
if((bytes = recv(clientsock, (char*)pdata, size, 0)) < 0)
return 0;
return bytes;
}
/***************************************************************************/
|