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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.7 by root, Sun Sep 10 13:43:33 2006 UTC vs.
Revision 1.11 by root, Wed Dec 13 02:55:51 2006 UTC

1
2/*
3 * static char *rcsid_init_c =
4 * "$Id: init.C,v 1.7 2006/09/10 13:43:33 root Exp $";
5 */
6
7/* 1/*
8 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
9 3
10 Copyright (C) 2001 Mark Wedel 4 Copyright (C) 2001 Mark Wedel
11 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
22 16
23 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 20
27 The author can be reached via e-mail to crossfire-devel@real-time.com 21 The author can be reached via e-mail to <crossfire@schmorp.de>
28*/ 22*/
29 23
30/** 24/**
31 * \file 25 * \file
32 * Socket general functions 26 * Socket general functions
… …
38 * The reading of data is handled in ericserver.c 32 * The reading of data is handled in ericserver.c
39 */ 33 */
40 34
41 35
42#include <global.h> 36#include <global.h>
43#ifndef __CEXTRACT__
44# include <sproto.h> 37#include <sproto.h>
45#endif
46#ifndef WIN32 /* ---win32 exclude include files */
47# include <sys/types.h> 38#include <sys/types.h>
48# include <sys/time.h> 39#include <sys/time.h>
49# include <sys/socket.h> 40#include <sys/socket.h>
50# include <netinet/in.h> 41#include <netinet/in.h>
51# include <netdb.h> 42#include <netdb.h>
52#endif /* win32 */
53 43
54#ifdef HAVE_UNISTD_H 44#ifdef HAVE_UNISTD_H
55# include <unistd.h> 45# include <unistd.h>
56#endif 46#endif
57 47
… …
67 * Initializes a connection. Really, it just sets up the data structure, 57 * Initializes a connection. Really, it just sets up the data structure,
68 * socket setup is handled elsewhere. We do send a version to the 58 * socket setup is handled elsewhere. We do send a version to the
69 * client. 59 * client.
70 */ 60 */
71void 61void
72InitConnection (NewSocket * ns, const char *from_ip) 62InitConnection (NewSocket *ns, const char *from_ip)
73{ 63{
74 SockList sl; 64 SockList sl;
75 char buf[256]; 65 char buf[256];
76 int bufsize = 65535; /*Supposed absolute upper limit */ 66 int bufsize = 65535; /*Supposed absolute upper limit */
77 int oldbufsize; 67 int oldbufsize;
78 int buflen = sizeof (int); 68 int buflen = sizeof (int);
79 69
80#ifdef WIN32 /* ***WIN32 SOCKET: init win32 non blocking socket */
81 int temp = 1;
82
83 if (ioctlsocket (ns->fd, FIONBIO, &temp) == -1)
84 LOG (llevError, "InitConnection: Error on ioctlsocket.\n");
85#else
86 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1) 70 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1)
87 {
88 LOG (llevError, "InitConnection: Error on fcntl.\n"); 71 LOG (llevError, "InitConnection: Error on fcntl.\n");
89 }
90#endif /* end win32 */
91 72
92 if (getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) 73 if (getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1)
93 oldbufsize = 0; 74 oldbufsize = 0;
75
94 if (oldbufsize < bufsize) 76 if (oldbufsize < bufsize)
95 {
96#ifdef ESRV_DEBUG
97 LOG (llevDebug, "Default buffer size was %d bytes, will reset it to %d\n", oldbufsize, bufsize);
98#endif
99 if (setsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) 77 if (setsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
100 {
101 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize); 78 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
102 } 79
103 }
104 buflen = sizeof (oldbufsize); 80 buflen = sizeof (oldbufsize);
105 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 81 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
106#ifdef ESRV_DEBUG 82#ifdef ESRV_DEBUG
107 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize); 83 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
108#endif 84#endif
… …
114 ns->exp64 = 0; 90 ns->exp64 = 0;
115 ns->monitor_spells = 0; 91 ns->monitor_spells = 0;
116 ns->mapmode = Map0Cmd; 92 ns->mapmode = Map0Cmd;
117 ns->darkness = 1; 93 ns->darkness = 1;
118 ns->status = Ns_Add; 94 ns->status = Ns_Add;
119 ns->comment = NULL;
120 ns->old_mode = (Old_Mode) 0;
121 ns->mapx = 11; 95 ns->mapx = 11;
122 ns->mapy = 11; 96 ns->mapy = 11;
123 ns->newmapcmd = 0; 97 ns->newmapcmd = 0;
124 ns->itemcmd = 1; /* Default is version item1 command */ 98 ns->itemcmd = 1; /* Default is version item1 command */
125 ns->ext_mapinfos = 0; /*extendedmapinfo datas */ 99 ns->ext_mapinfos = 0; /*extendedmapinfo datas */
… …
187{ 161{
188 struct sockaddr_in insock; 162 struct sockaddr_in insock;
189 struct protoent *protox; 163 struct protoent *protox;
190 struct linger linger_opt; 164 struct linger linger_opt;
191 165
192#ifdef WIN32 /* ***win32 - we init a windows socket */
193 WSADATA w;
194
195 socket_info.max_filedescriptor = 1; /* used in select, ignored in winsockets */
196 WSAStartup (0x0101, &w); /* this setup all socket stuff */
197 /* ill include no error tests here, winsocket 1.1 should always work */
198 /* except some old win95 versions without tcp/ip stack */
199#else /* non windows */
200
201# ifdef HAVE_SYSCONF
202 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX); 166 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
203# else
204# ifdef HAVE_GETDTABLESIZE
205 socket_info.max_filedescriptor = getdtablesize ();
206# else
207 "Unable to find usable function to get max filedescriptors";
208# endif
209# endif
210#endif /* win32 */
211 167
212 socket_info.timeout.tv_sec = 0; 168 socket_info.timeout.tv_sec = 0;
213 socket_info.timeout.tv_usec = 0; 169 socket_info.timeout.tv_usec = 0;
214 socket_info.nconns = 0; 170 socket_info.nconns = 0;
215 171
… …
230 if (protox == NULL) 186 if (protox == NULL)
231 { 187 {
232 LOG (llevError, "init_ericserver: Error getting protox\n"); 188 LOG (llevError, "init_ericserver: Error getting protox\n");
233 return; 189 return;
234 } 190 }
191
235 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto); 192 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
236 if (init_sockets[0].fd == -1) 193 if (init_sockets[0].fd == -1)
237 { 194 {
238 LOG (llevError, "Cannot create socket: %s\n", strerror (errno)); 195 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
239 exit (-1); 196 exit (-1);
240 } 197 }
198
241 insock.sin_family = AF_INET; 199 insock.sin_family = AF_INET;
242 insock.sin_port = htons (settings.csport); 200 insock.sin_port = htons (settings.csport);
243 insock.sin_addr.s_addr = htonl (INADDR_ANY); 201 insock.sin_addr.s_addr = htonl (INADDR_ANY);
244 202
245 linger_opt.l_onoff = 0; 203 linger_opt.l_onoff = 0;
246 linger_opt.l_linger = 0; 204 linger_opt.l_linger = 0;
247 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger))) 205 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
248 {
249 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); 206 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
250 }
251 207
252/* Would be nice to have an autoconf check for this. It appears that
253 * these functions are both using the same calling syntax, just one
254 * of them needs extra valus passed.
255 */
256#if defined(__osf__) || defined(hpux) || defined(sgi) || defined(NeXT) || \
257 defined(__sun__) || defined(__linux__) || defined(SVR4) || \
258 defined(__FreeBSD__) || defined(__OpenBSD__) || \
259 defined(WIN32) /* ---win32 add this here */ || \
260 defined(__GNU__) /* HURD */
261 { 208 {
262# ifdef WIN32
263 char tmp = 1;
264# else
265 int tmp = 1; 209 int tmp = 1;
266# endif
267 210
268 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp))) 211 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp)))
269 {
270 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno)); 212 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
271 }
272 } 213 }
273#else
274 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, (char *) NULL, 0))
275 {
276 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
277 }
278#endif
279 214
280 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1)) 215 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
281 { 216 {
282 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno)); 217 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
283#ifdef WIN32 /* ***win32: close() -> closesocket() */
284 shutdown (init_sockets[0].fd, SD_BOTH);
285 closesocket (init_sockets[0].fd);
286#else
287 close (init_sockets[0].fd); 218 close (init_sockets[0].fd);
288#endif /* win32 */
289 exit (-1); 219 exit (-1);
290 } 220 }
221
291 if (listen (init_sockets[0].fd, 5) == (-1)) 222 if (listen (init_sockets[0].fd, 5) == (-1))
292 { 223 {
293 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno)); 224 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
294#ifdef WIN32 /* ***win32: close() -> closesocket() */
295 shutdown (init_sockets[0].fd, SD_BOTH);
296 closesocket (init_sockets[0].fd);
297#else
298 close (init_sockets[0].fd); 225 close (init_sockets[0].fd);
299#endif /* win32 */
300 exit (-1); 226 exit (-1);
301 } 227 }
228
302 init_sockets[0].status = Ns_Add; 229 init_sockets[0].status = Ns_Add;
303 read_client_images (); 230 read_client_images ();
304} 231}
305 232
306 233
… …
325 * might be associated with the socket. It is up to the caller to 252 * might be associated with the socket. It is up to the caller to
326 * update the list 253 * update the list
327 */ 254 */
328 255
329void 256void
330free_newsocket (NewSocket * ns) 257free_newsocket (NewSocket *ns)
331{ 258{
332#ifdef WIN32 /* ***win32: closesocket in windows style */
333 shutdown (ns->fd, SD_BOTH);
334 if (closesocket (ns->fd))
335 {
336#else
337 if (close (ns->fd)) 259 close (ns->fd);
338 {
339#endif /* win32 */
340 260
341#ifdef ESRV_DEBUG
342 LOG (llevDebug, "Error closing socket %d\n", ns->fd);
343#endif
344 }
345 if (ns->stats.range) 261 if (ns->stats.range)
346 free (ns->stats.range); 262 free (ns->stats.range);
263
347 if (ns->stats.title) 264 if (ns->stats.title)
348 free (ns->stats.title); 265 free (ns->stats.title);
349 if (ns->comment) 266
350 free (ns->comment);
351 free (ns->host); 267 free (ns->host);
352 free (ns->inbuf.buf); 268 free (ns->inbuf.buf);
353} 269}
354 270
355/** Sends the 'goodbye' command to the player, and closes connection. */ 271/** Sends the 'goodbye' command to the player, and closes connection. */

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