summaryrefslogtreecommitdiff
path: root/plugins/bladesio1/connection.c
blob: c922f2f2a825e0d495a7a8086c5319a88a77f274 (plain) (blame)
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
/***************************************************************************
 *   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;

/***************************************************************************/

int connectionOpen() {
#if defined _WINDOWS
	WSADATA wsaData;
	if(WSAStartup(0x202, &wsaData))
		fprintf(stderr, "[SIO1] ERROR: WSAStartup()\n");
#endif

	switch(settings.player) {
		case PLAYER_MASTER: {
			int reuse_addr = 1;
			int one = 1;

			serversock = socket(AF_INET, SOCK_STREAM, 0);
			if(serversock == -1) {
#if defined _WINDOWS
				fprintf(stderr, "[SIO1] ERROR: server socket(): %d\n", WSAGetLastError());
#else
				fprintf(stderr, "[SIO1] ERROR: server socket()\n");
#endif
				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) {
#if defined _WINDOWS
				fprintf(stderr, "[SIO1] ERROR: server bind(): %d\n", WSAGetLastError());
#else
				fprintf(stderr, "[SIO1] ERROR: server bind()\n");
#endif
				return -1;
			}

			if(listen(serversock, 1) != 0) {
#if defined _WINDOWS
				fprintf(stderr, "[SIO1] ERROR: server listen(): %d\n", WSAGetLastError());
#else
				fprintf(stderr, "[SIO1] ERROR: server listen()\n");
#endif
				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) {
#if defined _WINDOWS
				fprintf(stderr, "[SIO1] ERROR: client socket(): %d\n", WSAGetLastError());
#else
				fprintf(stderr, "[SIO1] ERROR: client socket()\n");
#endif
				return -1;
			}

			setsockopt(clientsock, IPPROTO_TCP, TCP_NODELAY, (const char*)&one, sizeof(one));

			if(connect(clientsock,(struct sockaddr*)&address,sizeof(address)) != 0) {
#if defined _WINDOWS
				fprintf(stderr, "[SIO1] ERROR: client connect(%s): %d\n", settings.ip, WSAGetLastError());
#else
				fprintf(stderr, "[SIO1] ERROR: client connect(%s)", settings.ip);
#endif
				return -1;
			}
		}
		break;
	}

	return 0;
}

void connectionClose() {
	if(clientsock >= 0) {
		//close(clientsock);
		clientsock = -1;
	}

	if(serversock >= 0) {
		//close(serversock);
		serversock = -1;
	}

#if defined _WINDOWS
	WSACleanup();
#endif
}

/***************************************************************************/

int connectionSend(u8 *pdata, s32 size) {
	int bytes = 0;

	if(clientsock >= 0)
		if((bytes = (int)send(clientsock, (const char*)pdata, size, 0)) < 0)
			return 0;

	return bytes;
}

int connectionRecv(u8 *pdata, s32 size) {
	int bytes = 0;

	if(clientsock >= 0)
		if((bytes = (int)recv(clientsock, (char*)pdata, size, 0)) < 0)
			return 0;

	return bytes;
}

/***************************************************************************/