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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 1.14 by root, Thu Dec 14 01:21:58 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 packet sl;
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 }
149
175#ifdef CS_LOGSTATS 150#ifdef CS_LOGSTATS
176 if (socket_info.nconns > cst_tot.max_conn) 151 if (socket_info.nconns > cst_tot.max_conn)
177 cst_tot.max_conn = socket_info.nconns; 152 cst_tot.max_conn = socket_info.nconns;
178 if (socket_info.nconns > cst_lst.max_conn) 153 if (socket_info.nconns > cst_lst.max_conn)
179 cst_lst.max_conn = socket_info.nconns; 154 cst_lst.max_conn = socket_info.nconns;
… …
187{ 162{
188 struct sockaddr_in insock; 163 struct sockaddr_in insock;
189 struct protoent *protox; 164 struct protoent *protox;
190 struct linger linger_opt; 165 struct linger linger_opt;
191 166
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); 167 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 */
211 168
212 socket_info.timeout.tv_sec = 0; 169 socket_info.timeout.tv_sec = 0;
213 socket_info.timeout.tv_usec = 0; 170 socket_info.timeout.tv_usec = 0;
214 socket_info.nconns = 0; 171 socket_info.nconns = 0;
215 172
… …
230 if (protox == NULL) 187 if (protox == NULL)
231 { 188 {
232 LOG (llevError, "init_ericserver: Error getting protox\n"); 189 LOG (llevError, "init_ericserver: Error getting protox\n");
233 return; 190 return;
234 } 191 }
192
235 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto); 193 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
236 if (init_sockets[0].fd == -1) 194 if (init_sockets[0].fd == -1)
237 { 195 {
238 LOG (llevError, "Cannot create socket: %s\n", strerror (errno)); 196 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
239 exit (-1); 197 exit (-1);
240 } 198 }
199
241 insock.sin_family = AF_INET; 200 insock.sin_family = AF_INET;
242 insock.sin_port = htons (settings.csport); 201 insock.sin_port = htons (settings.csport);
243 insock.sin_addr.s_addr = htonl (INADDR_ANY); 202 insock.sin_addr.s_addr = htonl (INADDR_ANY);
244 203
245 linger_opt.l_onoff = 0; 204 linger_opt.l_onoff = 0;
246 linger_opt.l_linger = 0; 205 linger_opt.l_linger = 0;
247 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger))) 206 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)); 207 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
250 }
251 208
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 { 209 {
262# ifdef WIN32
263 char tmp = 1;
264# else
265 int tmp = 1; 210 int tmp = 1;
266# endif
267 211
268 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp))) 212 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)); 213 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
271 }
272 } 214 }
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
279 215
280 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1)) 216 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
281 { 217 {
282 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno)); 218 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); 219 close (init_sockets[0].fd);
288#endif /* win32 */
289 exit (-1); 220 exit (-1);
290 } 221 }
222
291 if (listen (init_sockets[0].fd, 5) == (-1)) 223 if (listen (init_sockets[0].fd, 5) == (-1))
292 { 224 {
293 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno)); 225 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); 226 close (init_sockets[0].fd);
299#endif /* win32 */
300 exit (-1); 227 exit (-1);
301 } 228 }
229
302 init_sockets[0].status = Ns_Add; 230 init_sockets[0].status = Ns_Add;
303 read_client_images (); 231 read_client_images ();
304} 232}
305 233
306 234
… …
325 * might be associated with the socket. It is up to the caller to 253 * might be associated with the socket. It is up to the caller to
326 * update the list 254 * update the list
327 */ 255 */
328 256
329void 257void
330free_newsocket (NewSocket * ns) 258free_newsocket (NewSocket *ns)
331{ 259{
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)) 260 close (ns->fd);
338 {
339#endif /* win32 */
340 261
341#ifdef ESRV_DEBUG
342 LOG (llevDebug, "Error closing socket %d\n", ns->fd);
343#endif
344 }
345 if (ns->stats.range) 262 if (ns->stats.range)
346 free (ns->stats.range); 263 free (ns->stats.range);
264
347 if (ns->stats.title) 265 if (ns->stats.title)
348 free (ns->stats.title); 266 free (ns->stats.title);
349 if (ns->comment) 267
350 free (ns->comment);
351 free (ns->host); 268 free (ns->host);
352 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. */
356void 272void
357final_free_player (player *pl) 273final_free_player (player *pl)
358{ 274{
359 cs_write_string (&pl->socket, "goodbye", 8); 275 pl->socket.send_packet ("goodbye");
360 free_newsocket (&pl->socket); 276 free_newsocket (&pl->socket);
361 free_player (pl); 277 free_player (pl);
362} 278}
279

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