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ef79bbde P |
1 | /* Pcsx - Pc Psx Emulator |
2 | * Copyright (C) 1999-2003 Pcsx Team | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses>. | |
16 | */ | |
17 | ||
18 | #ifdef _WIN32 | |
19 | #include <winsock2.h> | |
20 | #endif | |
21 | ||
22 | #include "psxcommon.h" | |
23 | #include "socket.h" | |
24 | ||
25 | #ifndef _WIN32 | |
26 | #include <sys/socket.h> | |
27 | #include <sys/ioctl.h> | |
28 | #include <arpa/inet.h> | |
29 | #include <netinet/in.h> | |
30 | #include <unistd.h> | |
31 | #include <fcntl.h> | |
32 | #endif | |
33 | ||
34 | static int server_socket = 0; | |
35 | static int client_socket = 0; | |
36 | ||
37 | static char tbuf[513]; | |
38 | static int ptr = 0; | |
39 | ||
40 | #define PORT_NUMBER 12345 | |
41 | ||
42 | int StartServer() { | |
43 | struct in_addr localhostaddr; | |
44 | struct sockaddr_in localsocketaddr; | |
45 | ||
46 | #ifdef _WIN32 | |
47 | WSADATA wsaData; | |
48 | ||
49 | if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) | |
50 | return -1; | |
51 | #endif | |
52 | ||
53 | server_socket = socket(AF_INET, SOCK_STREAM, 0); | |
54 | ||
55 | #ifdef _WIN32 | |
56 | if (server_socket == INVALID_SOCKET) | |
57 | return -1; | |
58 | #else | |
59 | if (server_socket == -1) | |
60 | return -1; | |
61 | #endif | |
62 | ||
63 | SetsNonblock(); | |
64 | ||
65 | memset((void *)&localhostaddr, 0, sizeof(localhostaddr)); | |
66 | memset(&localsocketaddr, 0, sizeof(struct sockaddr_in)); | |
67 | ||
68 | #ifdef _WIN32 | |
69 | localhostaddr.S_un.S_addr = htonl(INADDR_ANY); | |
70 | #else | |
71 | localhostaddr.s_addr = htonl(INADDR_ANY); | |
72 | #endif | |
73 | localsocketaddr.sin_family = AF_INET; | |
74 | localsocketaddr.sin_addr = localhostaddr; | |
75 | localsocketaddr.sin_port = htons(PORT_NUMBER); | |
76 | ||
77 | if (bind(server_socket, (struct sockaddr *) &localsocketaddr, sizeof(localsocketaddr)) < 0) | |
78 | return -1; | |
79 | ||
80 | if (listen(server_socket, 1) != 0) | |
81 | return -1; | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
86 | void StopServer() { | |
87 | #ifdef _WIN32 | |
88 | shutdown(server_socket, SD_BOTH); | |
89 | closesocket(server_socket); | |
90 | WSACleanup(); | |
91 | #else | |
92 | shutdown(server_socket, SHUT_RDWR); | |
93 | close(server_socket); | |
94 | #endif | |
95 | } | |
96 | ||
97 | void GetClient() { | |
98 | int new_socket; | |
99 | char hello[256]; | |
100 | ||
101 | new_socket = accept(server_socket, 0, 0); | |
102 | ||
103 | #ifdef _WIN32 | |
104 | if (new_socket == INVALID_SOCKET) | |
105 | return; | |
106 | #else | |
107 | if (new_socket == -1) | |
108 | return; | |
109 | #endif | |
110 | if (client_socket) | |
111 | CloseClient(); | |
112 | client_socket = new_socket; | |
113 | ||
114 | #ifndef _WIN32 | |
115 | { | |
116 | int flags; | |
117 | flags = fcntl(client_socket, F_GETFL, 0); | |
118 | fcntl(client_socket, F_SETFL, flags | O_NONBLOCK); | |
119 | } | |
120 | #endif | |
121 | ||
122 | sprintf(hello, "000 PCSX Version %s - Debug console\r\n", PACKAGE_VERSION); | |
123 | WriteSocket(hello, strlen(hello)); | |
124 | ptr = 0; | |
125 | } | |
126 | ||
127 | void CloseClient() { | |
128 | if (client_socket) { | |
129 | #ifdef _WIN32 | |
130 | shutdown(client_socket, SD_BOTH); | |
131 | closesocket(client_socket); | |
132 | #else | |
133 | shutdown(client_socket, SHUT_RDWR); | |
134 | close(client_socket); | |
135 | #endif | |
136 | client_socket = 0; | |
137 | } | |
138 | } | |
139 | ||
140 | int HasClient() { | |
141 | return client_socket ? 1 : 0; | |
142 | } | |
143 | ||
144 | int ReadSocket(char * buffer, int len) { | |
145 | int r; | |
146 | char * endl; | |
147 | ||
148 | if (!client_socket) | |
149 | return -1; | |
150 | ||
151 | r = recv(client_socket, tbuf + ptr, 512 - ptr, 0); | |
152 | ||
153 | if (r == 0) { | |
154 | client_socket = 0; | |
155 | if (!ptr) | |
156 | return 0; | |
157 | } | |
158 | #ifdef _WIN32 | |
159 | if (r == SOCKET_ERROR) | |
160 | #else | |
161 | if (r == -1) | |
162 | #endif | |
163 | { | |
164 | if (ptr == 0) | |
165 | return -1; | |
166 | r = 0; | |
167 | } | |
168 | ptr += r; | |
169 | tbuf[ptr] = 0; | |
170 | ||
171 | endl = strstr(tbuf, "\r\n"); | |
172 | ||
173 | if (endl) { | |
174 | r = endl - tbuf; | |
175 | strncpy(buffer, tbuf, r); | |
176 | ||
177 | r += 2; | |
178 | memmove(tbuf, tbuf + r, 512 - r); | |
179 | ptr -= r; | |
180 | memset(tbuf + r, 0, 512 - r); | |
181 | r -= 2; | |
182 | ||
183 | } else { | |
184 | r = 0; | |
185 | } | |
186 | ||
187 | buffer[r] = 0; | |
188 | ||
189 | return r; | |
190 | } | |
191 | ||
192 | int RawReadSocket(char * buffer, int len) { | |
ab948f7e | 193 | int r = 0; |
ef79bbde P |
194 | int mlen = len < ptr ? len : ptr; |
195 | ||
196 | if (!client_socket) | |
197 | return -1; | |
198 | ||
199 | if (ptr) { | |
200 | memcpy(buffer, tbuf, mlen); | |
201 | ptr -= mlen; | |
202 | memmove(tbuf, tbuf + mlen, 512 - mlen); | |
203 | } | |
204 | ||
205 | if (len - mlen) | |
206 | r = recv(client_socket, buffer + mlen, len - mlen, 0); | |
207 | ||
208 | if (r == 0) { | |
209 | client_socket = 0; | |
210 | if (!ptr) | |
211 | return 0; | |
212 | } | |
213 | #ifdef _WIN32 | |
214 | if (r == SOCKET_ERROR) | |
215 | #else | |
216 | if (r == -1) | |
217 | #endif | |
218 | { | |
219 | if (ptr == 0) | |
220 | return -1; | |
221 | r = 0; | |
222 | } | |
223 | ||
224 | r += mlen; | |
225 | ||
226 | return r; | |
227 | } | |
228 | ||
229 | void WriteSocket(char * buffer, int len) { | |
230 | if (!client_socket) | |
231 | return; | |
232 | ||
233 | send(client_socket, buffer, len, 0); | |
234 | } | |
235 | ||
236 | void SetsBlock() { | |
237 | #ifdef _WIN32 | |
238 | u_long b = 0; | |
239 | ioctlsocket(server_socket, FIONBIO, &b); | |
240 | #else | |
241 | int flags = fcntl(server_socket, F_GETFL, 0); | |
242 | fcntl(server_socket, F_SETFL, flags & ~O_NONBLOCK); | |
243 | #endif | |
244 | } | |
245 | ||
246 | void SetsNonblock() { | |
247 | #ifdef _WIN32 | |
248 | u_long b = 1; | |
249 | ioctlsocket(server_socket, FIONBIO, &b); | |
250 | #else | |
251 | int flags = fcntl(server_socket, F_GETFL, 0); | |
252 | fcntl(server_socket, F_SETFL, flags | O_NONBLOCK); | |
253 | #endif | |
254 | } |