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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 1.12 by root, Thu Dec 14 00:01:35 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 */
… …
136 /* we should really do some checking here - if total clients overflows 110 /* we should really do some checking here - if total clients overflows
137 * we need to do something more intelligent, because client id's will start 111 * we need to do something more intelligent, because client id's will start
138 * duplicating (not likely in normal cases, but malicous attacks that 112 * duplicating (not likely in normal cases, but malicous attacks that
139 * just open and close connections could get this total up. 113 * just open and close connections could get this total up.
140 */ 114 */
141 ns->inbuf.len = 0; 115 ns->inbuf_len = 0;
142 ns->inbuf.buf = (unsigned char *) malloc (sizeof (unsigned char) * MAXSOCKBUF); 116
143 /* Basic initialization. Needed because we do a check in 117 /* Basic initialization. Needed because we do a check in
144 * HandleClient for oldsocketmode without checking the 118 * HandleClient for oldsocketmode without checking the
145 * length of data. 119 * length of data.
146 */ 120 */
147 memset (ns->inbuf.buf, 0, sizeof (unsigned char) * MAXSOCKBUF);
148 memset (&ns->lastmap, 0, sizeof (struct Map)); 121 memset (&ns->lastmap, 0, sizeof (struct Map));
149 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent)); 122 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent));
150 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent)); 123 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent));
151 memset (&ns->stats, 0, sizeof (struct statsinfo)); 124 memset (&ns->stats, 0, sizeof (struct statsinfo));
152 /* Do this so we don't send a face command for the client for 125 /* Do this so we don't send a face command for the client for
… …
187{ 160{
188 struct sockaddr_in insock; 161 struct sockaddr_in insock;
189 struct protoent *protox; 162 struct protoent *protox;
190 struct linger linger_opt; 163 struct linger linger_opt;
191 164
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); 165 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 */
211 166
212 socket_info.timeout.tv_sec = 0; 167 socket_info.timeout.tv_sec = 0;
213 socket_info.timeout.tv_usec = 0; 168 socket_info.timeout.tv_usec = 0;
214 socket_info.nconns = 0; 169 socket_info.nconns = 0;
215 170
… …
230 if (protox == NULL) 185 if (protox == NULL)
231 { 186 {
232 LOG (llevError, "init_ericserver: Error getting protox\n"); 187 LOG (llevError, "init_ericserver: Error getting protox\n");
233 return; 188 return;
234 } 189 }
190
235 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto); 191 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
236 if (init_sockets[0].fd == -1) 192 if (init_sockets[0].fd == -1)
237 { 193 {
238 LOG (llevError, "Cannot create socket: %s\n", strerror (errno)); 194 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
239 exit (-1); 195 exit (-1);
240 } 196 }
197
241 insock.sin_family = AF_INET; 198 insock.sin_family = AF_INET;
242 insock.sin_port = htons (settings.csport); 199 insock.sin_port = htons (settings.csport);
243 insock.sin_addr.s_addr = htonl (INADDR_ANY); 200 insock.sin_addr.s_addr = htonl (INADDR_ANY);
244 201
245 linger_opt.l_onoff = 0; 202 linger_opt.l_onoff = 0;
246 linger_opt.l_linger = 0; 203 linger_opt.l_linger = 0;
247 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger))) 204 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)); 205 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
250 }
251 206
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 { 207 {
262# ifdef WIN32
263 char tmp = 1;
264# else
265 int tmp = 1; 208 int tmp = 1;
266# endif
267 209
268 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp))) 210 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)); 211 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
271 }
272 } 212 }
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
279 213
280 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1)) 214 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
281 { 215 {
282 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno)); 216 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); 217 close (init_sockets[0].fd);
288#endif /* win32 */
289 exit (-1); 218 exit (-1);
290 } 219 }
220
291 if (listen (init_sockets[0].fd, 5) == (-1)) 221 if (listen (init_sockets[0].fd, 5) == (-1))
292 { 222 {
293 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno)); 223 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); 224 close (init_sockets[0].fd);
299#endif /* win32 */
300 exit (-1); 225 exit (-1);
301 } 226 }
227
302 init_sockets[0].status = Ns_Add; 228 init_sockets[0].status = Ns_Add;
303 read_client_images (); 229 read_client_images ();
304} 230}
305 231
306 232
… …
325 * might be associated with the socket. It is up to the caller to 251 * might be associated with the socket. It is up to the caller to
326 * update the list 252 * update the list
327 */ 253 */
328 254
329void 255void
330free_newsocket (NewSocket * ns) 256free_newsocket (NewSocket *ns)
331{ 257{
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)) 258 close (ns->fd);
338 {
339#endif /* win32 */
340 259
341#ifdef ESRV_DEBUG
342 LOG (llevDebug, "Error closing socket %d\n", ns->fd);
343#endif
344 }
345 if (ns->stats.range) 260 if (ns->stats.range)
346 free (ns->stats.range); 261 free (ns->stats.range);
262
347 if (ns->stats.title) 263 if (ns->stats.title)
348 free (ns->stats.title); 264 free (ns->stats.title);
349 if (ns->comment) 265
350 free (ns->comment);
351 free (ns->host); 266 free (ns->host);
352 free (ns->inbuf.buf);
353} 267}
354 268
355/** Sends the 'goodbye' command to the player, and closes connection. */ 269/** Sends the 'goodbye' command to the player, and closes connection. */
356void 270void
357final_free_player (player *pl) 271final_free_player (player *pl)

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