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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 1.13 by root, Thu Dec 14 01:12:35 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;
75 char buf[256];
76 int bufsize = 65535; /*Supposed absolute upper limit */ 64 int bufsize = 65535; /*Supposed absolute upper limit */
77 int oldbufsize; 65 int oldbufsize;
78 int buflen = sizeof (int); 66 int buflen = sizeof (int);
79 67
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) 68 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1)
87 {
88 LOG (llevError, "InitConnection: Error on fcntl.\n"); 69 LOG (llevError, "InitConnection: Error on fcntl.\n");
89 }
90#endif /* end win32 */
91 70
92 if (getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) 71 if (getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1)
93 oldbufsize = 0; 72 oldbufsize = 0;
73
94 if (oldbufsize < bufsize) 74 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))) 75 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); 76 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
102 } 77
103 }
104 buflen = sizeof (oldbufsize); 78 buflen = sizeof (oldbufsize);
105 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 79 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
106#ifdef ESRV_DEBUG 80#ifdef ESRV_DEBUG
107 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize); 81 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
108#endif 82#endif
… …
114 ns->exp64 = 0; 88 ns->exp64 = 0;
115 ns->monitor_spells = 0; 89 ns->monitor_spells = 0;
116 ns->mapmode = Map0Cmd; 90 ns->mapmode = Map0Cmd;
117 ns->darkness = 1; 91 ns->darkness = 1;
118 ns->status = Ns_Add; 92 ns->status = Ns_Add;
119 ns->comment = NULL;
120 ns->old_mode = (Old_Mode) 0;
121 ns->mapx = 11; 93 ns->mapx = 11;
122 ns->mapy = 11; 94 ns->mapy = 11;
123 ns->newmapcmd = 0; 95 ns->newmapcmd = 0;
124 ns->itemcmd = 1; /* Default is version item1 command */ 96 ns->itemcmd = 1; /* Default is version item1 command */
125 ns->ext_mapinfos = 0; /*extendedmapinfo datas */ 97 ns->ext_mapinfos = 0; /*extendedmapinfo datas */
… …
136 /* we should really do some checking here - if total clients overflows 108 /* 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 109 * we need to do something more intelligent, because client id's will start
138 * duplicating (not likely in normal cases, but malicous attacks that 110 * duplicating (not likely in normal cases, but malicous attacks that
139 * just open and close connections could get this total up. 111 * just open and close connections could get this total up.
140 */ 112 */
141 ns->inbuf.len = 0; 113 ns->inbuf_len = 0;
142 ns->inbuf.buf = (unsigned char *) malloc (sizeof (unsigned char) * MAXSOCKBUF); 114
143 /* Basic initialization. Needed because we do a check in 115 /* Basic initialization. Needed because we do a check in
144 * HandleClient for oldsocketmode without checking the 116 * HandleClient for oldsocketmode without checking the
145 * length of data. 117 * length of data.
146 */ 118 */
147 memset (ns->inbuf.buf, 0, sizeof (unsigned char) * MAXSOCKBUF);
148 memset (&ns->lastmap, 0, sizeof (struct Map)); 119 memset (&ns->lastmap, 0, sizeof (struct Map));
149 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent)); 120 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent));
150 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent)); 121 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent));
151 memset (&ns->stats, 0, sizeof (struct statsinfo)); 122 memset (&ns->stats, 0, sizeof (struct statsinfo));
152 /* Do this so we don't send a face command for the client for 123 /* Do this so we don't send a face command for the client for
… …
166 ns->client[0] = 0; 137 ns->client[0] = 0;
167 ns->buggy_mapscroll = 0; 138 ns->buggy_mapscroll = 0;
168 139
169 ns->sent_scroll = 0; 140 ns->sent_scroll = 0;
170 ns->host = strdup_local (from_ip); 141 ns->host = strdup_local (from_ip);
142
143 {
144 SockList sl (MAXSOCKBUF);
145
171 sprintf ((char *) buf, "version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 146 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
172 sl.buf = (unsigned char *) buf;
173 sl.len = strlen ((char *) buf);
174 Send_With_Handling (ns, &sl); 147 Send_With_Handling (ns, &sl);
148 sl.free ();
149 }
150
175#ifdef CS_LOGSTATS 151#ifdef CS_LOGSTATS
176 if (socket_info.nconns > cst_tot.max_conn) 152 if (socket_info.nconns > cst_tot.max_conn)
177 cst_tot.max_conn = socket_info.nconns; 153 cst_tot.max_conn = socket_info.nconns;
178 if (socket_info.nconns > cst_lst.max_conn) 154 if (socket_info.nconns > cst_lst.max_conn)
179 cst_lst.max_conn = socket_info.nconns; 155 cst_lst.max_conn = socket_info.nconns;
… …
187{ 163{
188 struct sockaddr_in insock; 164 struct sockaddr_in insock;
189 struct protoent *protox; 165 struct protoent *protox;
190 struct linger linger_opt; 166 struct linger linger_opt;
191 167
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); 168 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 */
211 169
212 socket_info.timeout.tv_sec = 0; 170 socket_info.timeout.tv_sec = 0;
213 socket_info.timeout.tv_usec = 0; 171 socket_info.timeout.tv_usec = 0;
214 socket_info.nconns = 0; 172 socket_info.nconns = 0;
215 173
… …
230 if (protox == NULL) 188 if (protox == NULL)
231 { 189 {
232 LOG (llevError, "init_ericserver: Error getting protox\n"); 190 LOG (llevError, "init_ericserver: Error getting protox\n");
233 return; 191 return;
234 } 192 }
193
235 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto); 194 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
236 if (init_sockets[0].fd == -1) 195 if (init_sockets[0].fd == -1)
237 { 196 {
238 LOG (llevError, "Cannot create socket: %s\n", strerror (errno)); 197 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
239 exit (-1); 198 exit (-1);
240 } 199 }
200
241 insock.sin_family = AF_INET; 201 insock.sin_family = AF_INET;
242 insock.sin_port = htons (settings.csport); 202 insock.sin_port = htons (settings.csport);
243 insock.sin_addr.s_addr = htonl (INADDR_ANY); 203 insock.sin_addr.s_addr = htonl (INADDR_ANY);
244 204
245 linger_opt.l_onoff = 0; 205 linger_opt.l_onoff = 0;
246 linger_opt.l_linger = 0; 206 linger_opt.l_linger = 0;
247 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger))) 207 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)); 208 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
250 }
251 209
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 { 210 {
262# ifdef WIN32
263 char tmp = 1;
264# else
265 int tmp = 1; 211 int tmp = 1;
266# endif
267 212
268 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp))) 213 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)); 214 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
271 }
272 } 215 }
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
279 216
280 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1)) 217 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
281 { 218 {
282 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno)); 219 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); 220 close (init_sockets[0].fd);
288#endif /* win32 */
289 exit (-1); 221 exit (-1);
290 } 222 }
223
291 if (listen (init_sockets[0].fd, 5) == (-1)) 224 if (listen (init_sockets[0].fd, 5) == (-1))
292 { 225 {
293 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno)); 226 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); 227 close (init_sockets[0].fd);
299#endif /* win32 */
300 exit (-1); 228 exit (-1);
301 } 229 }
230
302 init_sockets[0].status = Ns_Add; 231 init_sockets[0].status = Ns_Add;
303 read_client_images (); 232 read_client_images ();
304} 233}
305 234
306 235
… …
325 * might be associated with the socket. It is up to the caller to 254 * might be associated with the socket. It is up to the caller to
326 * update the list 255 * update the list
327 */ 256 */
328 257
329void 258void
330free_newsocket (NewSocket * ns) 259free_newsocket (NewSocket *ns)
331{ 260{
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)) 261 close (ns->fd);
338 {
339#endif /* win32 */
340 262
341#ifdef ESRV_DEBUG
342 LOG (llevDebug, "Error closing socket %d\n", ns->fd);
343#endif
344 }
345 if (ns->stats.range) 263 if (ns->stats.range)
346 free (ns->stats.range); 264 free (ns->stats.range);
265
347 if (ns->stats.title) 266 if (ns->stats.title)
348 free (ns->stats.title); 267 free (ns->stats.title);
349 if (ns->comment) 268
350 free (ns->comment);
351 free (ns->host); 269 free (ns->host);
352 free (ns->inbuf.buf);
353} 270}
354 271
355/** Sends the 'goodbye' command to the player, and closes connection. */ 272/** Sends the 'goodbye' command to the player, and closes connection. */
356void 273void
357final_free_player (player *pl) 274final_free_player (player *pl)
358{ 275{
359 cs_write_string (&pl->socket, "goodbye", 8); 276 pl->socket.send_packet ("goodbye");
360 free_newsocket (&pl->socket); 277 free_newsocket (&pl->socket);
361 free_player (pl); 278 free_player (pl);
362} 279}
280

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