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/cvs/deliantra/server/socket/init.C
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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.1 by elmex, Sun Aug 13 17:16:05 2006 UTC vs.
Revision 1.5 by root, Tue Aug 29 08:01:38 2006 UTC

1/* 1/*
2 * static char *rcsid_init_c = 2 * static char *rcsid_init_c =
3 * "$Id: init.C,v 1.1 2006/08/13 17:16:05 elmex Exp $"; 3 * "$Id: init.C,v 1.5 2006/08/29 08:01:38 root Exp $";
4 */ 4 */
5 5
6/* 6/*
7 CrossFire, A Multiplayer game for X-windows 7 CrossFire, A Multiplayer game for X-windows
8 8
… …
74 int bufsize=65535; /*Supposed absolute upper limit */ 74 int bufsize=65535; /*Supposed absolute upper limit */
75 int oldbufsize; 75 int oldbufsize;
76 int buflen=sizeof(int); 76 int buflen=sizeof(int);
77 77
78#ifdef WIN32 /* ***WIN32 SOCKET: init win32 non blocking socket */ 78#ifdef WIN32 /* ***WIN32 SOCKET: init win32 non blocking socket */
79 int temp = 1; 79 int temp = 1;
80 80
81 if(ioctlsocket(ns->fd, FIONBIO , &temp) == -1) 81 if(ioctlsocket(ns->fd, FIONBIO , &temp) == -1)
82 LOG(llevError,"InitConnection: Error on ioctlsocket.\n"); 82 LOG(llevError,"InitConnection: Error on ioctlsocket.\n");
83#else 83#else
84 if (fcntl(ns->fd, F_SETFL, O_NONBLOCK)==-1) { 84 if (fcntl(ns->fd, F_SETFL, O_NONBLOCK)==-1) {
85 LOG(llevError,"InitConnection: Error on fcntl.\n"); 85 LOG(llevError,"InitConnection: Error on fcntl.\n");
86 } 86 }
87#endif /* end win32 */ 87#endif /* end win32 */
88 88
89 if (getsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&oldbufsize, (socklen_t*) &buflen)==-1) 89 if (getsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&oldbufsize, (socklen_t*) &buflen)==-1)
90 oldbufsize=0; 90 oldbufsize=0;
91 if (oldbufsize<bufsize) { 91 if (oldbufsize<bufsize) {
92#ifdef ESRV_DEBUG 92#ifdef ESRV_DEBUG
93 LOG(llevDebug, "Default buffer size was %d bytes, will reset it to %d\n", oldbufsize, bufsize); 93 LOG(llevDebug, "Default buffer size was %d bytes, will reset it to %d\n", oldbufsize, bufsize);
94#endif 94#endif
95 if(setsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&bufsize, sizeof(&bufsize))) { 95 if(setsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&bufsize, sizeof(&bufsize))) {
96 LOG(llevError,"InitConnection: setsockopt unable to set output buf size to %d\n", bufsize); 96 LOG(llevError,"InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
97 } 97 }
98 } 98 }
99 buflen=sizeof(oldbufsize); 99 buflen=sizeof(oldbufsize);
100 getsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&oldbufsize, (socklen_t*) &buflen); 100 getsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&oldbufsize, (socklen_t*) &buflen);
101#ifdef ESRV_DEBUG 101#ifdef ESRV_DEBUG
102 LOG(llevDebug, "Socket buffer size now %d bytes\n", oldbufsize); 102 LOG(llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
… …
124 ns->has_readable_type = 0; 124 ns->has_readable_type = 0;
125 ns->supported_readables = 0; 125 ns->supported_readables = 0;
126 ns->monitor_spells = 0; 126 ns->monitor_spells = 0;
127 ns->mapinfocmd = 0; 127 ns->mapinfocmd = 0;
128 ns->extcmd = 0; 128 ns->extcmd = 0;
129 ns->extmap = 0;
129 130
130 /* we should really do some checking here - if total clients overflows 131 /* we should really do some checking here - if total clients overflows
131 * we need to do something more intelligent, because client id's will start 132 * we need to do something more intelligent, because client id's will start
132 * duplicating (not likely in normal cases, but malicous attacks that 133 * duplicating (not likely in normal cases, but malicous attacks that
133 * just open and close connections could get this total up. 134 * just open and close connections could get this total up.
… …
153 ns->outputbuffer.len=0; 154 ns->outputbuffer.len=0;
154 ns->can_write=1; 155 ns->can_write=1;
155 ns->password_fails = 0; 156 ns->password_fails = 0;
156 157
157 ns->current_map = 0; 158 ns->current_map = 0;
159 ns->current_x = 0;
160 ns->current_y = 0;
161 ns->client[0] = 0;
162 ns->buggy_mapscroll = 0;
158 163
159 ns->sent_scroll=0; 164 ns->sent_scroll=0;
160 ns->host=strdup_local(from_ip); 165 ns->host=strdup_local(from_ip);
161 sprintf((char*)buf, "version %d %d %s\n", VERSION_CS,VERSION_SC, VERSION_INFO); 166 sprintf((char*)buf, "version %d %d %s\n", VERSION_CS,VERSION_SC, VERSION_INFO);
162 sl.buf=(unsigned char*)buf; 167 sl.buf=(unsigned char*)buf;
163 sl.len=strlen((char*)buf); 168 sl.len=strlen((char*)buf);
164 Send_With_Handling(ns, &sl); 169 Send_With_Handling(ns, &sl);
165#ifdef CS_LOGSTATS 170#ifdef CS_LOGSTATS
166 if (socket_info.nconns>cst_tot.max_conn) 171 if (socket_info.nconns>cst_tot.max_conn)
167 cst_tot.max_conn = socket_info.nconns; 172 cst_tot.max_conn = socket_info.nconns;
168 if (socket_info.nconns>cst_lst.max_conn) 173 if (socket_info.nconns>cst_lst.max_conn)
169 cst_lst.max_conn = socket_info.nconns; 174 cst_lst.max_conn = socket_info.nconns;
170#endif 175#endif
171} 176}
172 177
173 178
174/** This sets up the socket and reads all the image information into memory. */ 179/** This sets up the socket and reads all the image information into memory. */
… …
177 struct sockaddr_in insock; 182 struct sockaddr_in insock;
178 struct protoent *protox; 183 struct protoent *protox;
179 struct linger linger_opt; 184 struct linger linger_opt;
180 185
181#ifdef WIN32 /* ***win32 - we init a windows socket */ 186#ifdef WIN32 /* ***win32 - we init a windows socket */
182 WSADATA w; 187 WSADATA w;
183 188
184 socket_info.max_filedescriptor = 1; /* used in select, ignored in winsockets */ 189 socket_info.max_filedescriptor = 1; /* used in select, ignored in winsockets */
185 WSAStartup (0x0101,&w); /* this setup all socket stuff */ 190 WSAStartup (0x0101,&w); /* this setup all socket stuff */
186 /* ill include no error tests here, winsocket 1.1 should always work */ 191 /* ill include no error tests here, winsocket 1.1 should always work */
187 /* except some old win95 versions without tcp/ip stack */ 192 /* except some old win95 versions without tcp/ip stack */
188#else /* non windows */ 193#else /* non windows */
189 194
190#ifdef HAVE_SYSCONF 195#ifdef HAVE_SYSCONF
191 socket_info.max_filedescriptor = sysconf(_SC_OPEN_MAX); 196 socket_info.max_filedescriptor = sysconf(_SC_OPEN_MAX);
192#else 197#else
… …
215 init_sockets[0].faces_sent = NULL; /* unused */ 220 init_sockets[0].faces_sent = NULL; /* unused */
216 socket_info.allocated_sockets=1; 221 socket_info.allocated_sockets=1;
217 222
218 protox = getprotobyname("tcp"); 223 protox = getprotobyname("tcp");
219 if (protox==NULL) { 224 if (protox==NULL) {
220 LOG(llevError,"init_ericserver: Error getting protox\n"); 225 LOG(llevError,"init_ericserver: Error getting protox\n");
221 return; 226 return;
222 } 227 }
223 init_sockets[0].fd = socket(PF_INET, SOCK_STREAM, protox->p_proto); 228 init_sockets[0].fd = socket(PF_INET, SOCK_STREAM, protox->p_proto);
224 if (init_sockets[0].fd == -1) { 229 if (init_sockets[0].fd == -1) {
225 LOG(llevError, "Cannot create socket: %s\n", strerror_local(errno)); 230 LOG(llevError, "Cannot create socket: %s\n", strerror_local(errno));
226 exit(-1); 231 exit(-1);
227 } 232 }
228 insock.sin_family = AF_INET; 233 insock.sin_family = AF_INET;
229 insock.sin_port = htons(settings.csport); 234 insock.sin_port = htons(settings.csport);
230 insock.sin_addr.s_addr = htonl(INADDR_ANY); 235 insock.sin_addr.s_addr = htonl(INADDR_ANY);
231 236
232 linger_opt.l_onoff = 0; 237 linger_opt.l_onoff = 0;
233 linger_opt.l_linger = 0; 238 linger_opt.l_linger = 0;
234 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_LINGER,(char *) &linger_opt, 239 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_LINGER,(char *) &linger_opt,
235 sizeof(struct linger))) { 240 sizeof(struct linger))) {
236 LOG(llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror_local(errno)); 241 LOG(llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror_local(errno));
237 } 242 }
238/* Would be nice to have an autoconf check for this. It appears that 243/* Would be nice to have an autoconf check for this. It appears that
239 * these functions are both using the same calling syntax, just one 244 * these functions are both using the same calling syntax, just one
240 * of them needs extra valus passed. 245 * of them needs extra valus passed.
241 */ 246 */
… …
246 defined(__GNU__) /* HURD */ 251 defined(__GNU__) /* HURD */
247 { 252 {
248#ifdef WIN32 253#ifdef WIN32
249 char tmp = 1; 254 char tmp = 1;
250#else 255#else
251 int tmp =1; 256 int tmp =1;
252#endif 257#endif
253 258
254 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR, &tmp, sizeof(tmp))) { 259 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR, &tmp, sizeof(tmp))) {
255 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno)); 260 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno));
256 } 261 }
257 } 262 }
258#else 263#else
259 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR,(char *)NULL,0)) { 264 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR,(char *)NULL,0)) {
260 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno)); 265 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno));
261 } 266 }
262#endif 267#endif
263 268
264 if (bind(init_sockets[0].fd,(struct sockaddr *)&insock,sizeof(insock)) == (-1)) { 269 if (bind(init_sockets[0].fd,(struct sockaddr *)&insock,sizeof(insock)) == (-1)) {
265 LOG(llevError, "Cannot bind socket to port %d: %s\n", ntohs(insock.sin_port), strerror_local(errno)); 270 LOG(llevError, "Cannot bind socket to port %d: %s\n", ntohs(insock.sin_port), strerror_local(errno));
266#ifdef WIN32 /* ***win32: close() -> closesocket() */ 271#ifdef WIN32 /* ***win32: close() -> closesocket() */
267 shutdown(init_sockets[0].fd,SD_BOTH); 272 shutdown(init_sockets[0].fd,SD_BOTH);
268 closesocket(init_sockets[0].fd); 273 closesocket(init_sockets[0].fd);
269#else 274#else
270 close(init_sockets[0].fd); 275 close(init_sockets[0].fd);
271#endif /* win32 */ 276#endif /* win32 */
272 exit(-1); 277 exit(-1);
273 } 278 }
274 if (listen(init_sockets[0].fd,5) == (-1)) { 279 if (listen(init_sockets[0].fd,5) == (-1)) {
275 LOG(llevError, "Cannot listen on socket: %s\n", strerror_local(errno)); 280 LOG(llevError, "Cannot listen on socket: %s\n", strerror_local(errno));
276#ifdef WIN32 /* ***win32: close() -> closesocket() */ 281#ifdef WIN32 /* ***win32: close() -> closesocket() */
277 shutdown(init_sockets[0].fd,SD_BOTH); 282 shutdown(init_sockets[0].fd,SD_BOTH);
278 closesocket(init_sockets[0].fd); 283 closesocket(init_sockets[0].fd);
279#else 284#else
280 close(init_sockets[0].fd); 285 close(init_sockets[0].fd);
281#endif /* win32 */ 286#endif /* win32 */
282 exit(-1); 287 exit(-1);
283 } 288 }
284 init_sockets[0].status=Ns_Add; 289 init_sockets[0].status=Ns_Add;
285 read_client_images(); 290 read_client_images();
286} 291}
287 292
… …
308 */ 313 */
309 314
310void free_newsocket(NewSocket *ns) 315void free_newsocket(NewSocket *ns)
311{ 316{
312#ifdef WIN32 /* ***win32: closesocket in windows style */ 317#ifdef WIN32 /* ***win32: closesocket in windows style */
313 shutdown(ns->fd,SD_BOTH); 318 shutdown(ns->fd,SD_BOTH);
314 if (closesocket(ns->fd)) { 319 if (closesocket(ns->fd)) {
315#else 320#else
316 if (close(ns->fd)) { 321 if (close(ns->fd)) {
317#endif /* win32 */ 322#endif /* win32 */
318 323
319#ifdef ESRV_DEBUG 324#ifdef ESRV_DEBUG
320 LOG(llevDebug,"Error closing socket %d\n", ns->fd); 325 LOG(llevDebug,"Error closing socket %d\n", ns->fd);
321#endif 326#endif
322 } 327 }
323 if (ns->stats.range) 328 if (ns->stats.range)
324 free(ns->stats.range); 329 free(ns->stats.range);
325 if (ns->stats.title) 330 if (ns->stats.title)
326 free(ns->stats.title); 331 free(ns->stats.title);
327 if (ns->comment) 332 if (ns->comment)
328 free(ns->comment); 333 free(ns->comment);
329 free(ns->host); 334 free(ns->host);
330 free(ns->inbuf.buf); 335 free(ns->inbuf.buf);
331} 336}
332 337
333/** Sends the 'goodbye' command to the player, and closes connection. */ 338/** Sends the 'goodbye' command to the player, and closes connection. */

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