ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/socket/init.C
(Generate patch)

Comparing deliantra/server/socket/init.C (file contents):
Revision 1.7 by root, Sun Sep 10 13:43:33 2006 UTC vs.
Revision 1.15 by root, Thu Dec 14 02:37:37 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
… …
59# include <arpa/inet.h> 49# include <arpa/inet.h>
60#endif 50#endif
61#include <newserver.h> 51#include <newserver.h>
62 52
63Socket_Info socket_info; 53Socket_Info socket_info;
64NewSocket *init_sockets; 54client_socket *init_sockets;
55
56client_socket::client_socket ()
57{
58}
59
60client_socket::~client_socket ()
61{
62}
65 63
66/** 64/**
67 * Initializes a connection. Really, it just sets up the data structure, 65 * Initializes a connection. Really, it just sets up the data structure,
68 * socket setup is handled elsewhere. We do send a version to the 66 * socket setup is handled elsewhere. We do send a version to the
69 * client. 67 * client.
70 */ 68 */
71void 69void
72InitConnection (NewSocket * ns, const char *from_ip) 70client_socket::init (const char *from_ip)
73{ 71{
74 SockList sl;
75 char buf[256];
76 int bufsize = 65535; /*Supposed absolute upper limit */ 72 int bufsize = 65535; /*Supposed absolute upper limit */
77 int oldbufsize; 73 int oldbufsize;
78 int buflen = sizeof (int); 74 int buflen = sizeof (int);
79 75
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) 76 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
87 {
88 LOG (llevError, "InitConnection: Error on fcntl.\n"); 77 LOG (llevError, "InitConnection: Error on fcntl.\n");
89 }
90#endif /* end win32 */
91 78
92 if (getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1) 79 if (getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen) == -1)
93 oldbufsize = 0; 80 oldbufsize = 0;
81
94 if (oldbufsize < bufsize) 82 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))) 83 if (setsockopt (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); 84 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
102 } 85
103 }
104 buflen = sizeof (oldbufsize); 86 buflen = sizeof (oldbufsize);
105 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 87 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
106#ifdef ESRV_DEBUG 88#ifdef ESRV_DEBUG
107 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize); 89 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
108#endif 90#endif
109 91
110 ns->faceset = 0; 92 faceset = 0;
111 ns->facecache = 0; 93 facecache = 0;
112 ns->image2 = 0; 94 image2 = 0;
113 ns->sound = 0; 95 sound = 0;
114 ns->exp64 = 0; 96 exp64 = 0;
115 ns->monitor_spells = 0; 97 monitor_spells = 0;
116 ns->mapmode = Map0Cmd; 98 mapmode = Map0Cmd;
117 ns->darkness = 1; 99 darkness = 1;
118 ns->status = Ns_Add; 100 status = Ns_Add;
119 ns->comment = NULL;
120 ns->old_mode = (Old_Mode) 0;
121 ns->mapx = 11; 101 mapx = 11;
122 ns->mapy = 11; 102 mapy = 11;
123 ns->newmapcmd = 0; 103 newmapcmd = 0;
124 ns->itemcmd = 1; /* Default is version item1 command */ 104 itemcmd = 1; /* Default is version item1 command */
125 ns->ext_mapinfos = 0; /*extendedmapinfo datas */ 105 ext_mapinfos = 0; /*extendedmapinfo datas */
126 ns->EMI_smooth = 0; 106 EMI_smooth = 0;
127 ns->look_position = 0; 107 look_position = 0;
128 ns->update_look = 0; 108 update_look = 0;
129 ns->has_readable_type = 0; 109 has_readable_type = 0;
130 ns->supported_readables = 0; 110 supported_readables = 0;
131 ns->monitor_spells = 0; 111 monitor_spells = 0;
132 ns->mapinfocmd = 0; 112 mapinfocmd = 0;
133 ns->extcmd = 0; 113 extcmd = 0;
134 ns->extmap = 0; 114 extmap = 0;
135 115
136 /* we should really do some checking here - if total clients overflows 116 /* 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 117 * we need to do something more intelligent, because client id's will start
138 * duplicating (not likely in normal cases, but malicous attacks that 118 * duplicating (not likely in normal cases, but malicous attacks that
139 * just open and close connections could get this total up. 119 * just open and close connections could get this total up.
140 */ 120 */
141 ns->inbuf.len = 0; 121 inbuf_len = 0;
142 ns->inbuf.buf = (unsigned char *) malloc (sizeof (unsigned char) * MAXSOCKBUF); 122
143 /* Basic initialization. Needed because we do a check in 123 /* Basic initialization. Needed because we do a check in
144 * HandleClient for oldsocketmode without checking the 124 * HandleClient for oldsocketmode without checking the
145 * length of data. 125 * length of data.
146 */ 126 */
147 memset (ns->inbuf.buf, 0, sizeof (unsigned char) * MAXSOCKBUF);
148 memset (&ns->lastmap, 0, sizeof (struct Map)); 127 memset (&lastmap, 0, sizeof (struct Map));
149 memset (ns->faces_sent, 0, ns->faces_sent_len * sizeof (*ns->faces_sent)); 128 memset (faces_sent, 0, faces_sent_len * sizeof (*faces_sent));
150 memset (&ns->anims_sent, 0, sizeof (ns->anims_sent)); 129 memset (&anims_sent, 0, sizeof (anims_sent));
151 memset (&ns->stats, 0, sizeof (struct statsinfo)); 130 memset (&stats, 0, sizeof (struct statsinfo));
152 /* Do this so we don't send a face command for the client for 131 /* Do this so we don't send a face command for the client for
153 * this face. Face 0 is sent to the client to say clear 132 * this face. Face 0 is sent to the client to say clear
154 * face information. 133 * face information.
155 */ 134 */
156 ns->faces_sent[0] = NS_FACESENT_FACE; 135 faces_sent[0] = NS_FACESENT_FACE;
157 136
158 ns->outputbuffer.start = 0; 137 outputbuffer.start = 0;
159 ns->outputbuffer.len = 0; 138 outputbuffer.len = 0;
160 ns->can_write = 1; 139 can_write = 1;
161 ns->password_fails = 0; 140 password_fails = 0;
162 141
163 ns->current_map = 0; 142 current_map = 0;
164 ns->current_x = 0; 143 current_x = 0;
165 ns->current_y = 0; 144 current_y = 0;
166 ns->client[0] = 0; 145 client[0] = 0;
167 ns->buggy_mapscroll = 0; 146 buggy_mapscroll = 0;
168 147
169 ns->sent_scroll = 0; 148 sent_scroll = 0;
170 ns->host = strdup_local (from_ip); 149 host = strdup_local (from_ip);
150
151 {
152 packet sl;
171 sprintf ((char *) buf, "version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 153 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
172 sl.buf = (unsigned char *) buf; 154 send_packet (sl);
173 sl.len = strlen ((char *) buf); 155 }
174 Send_With_Handling (ns, &sl); 156
175#ifdef CS_LOGSTATS
176 if (socket_info.nconns > cst_tot.max_conn) 157 if (socket_info.nconns > cst_tot.max_conn)
177 cst_tot.max_conn = socket_info.nconns; 158 cst_tot.max_conn = socket_info.nconns;
178 if (socket_info.nconns > cst_lst.max_conn) 159 if (socket_info.nconns > cst_lst.max_conn)
179 cst_lst.max_conn = socket_info.nconns; 160 cst_lst.max_conn = socket_info.nconns;
180#endif
181} 161}
182 162
183 163
184/** This sets up the socket and reads all the image information into memory. */ 164/** This sets up the socket and reads all the image information into memory. */
185void 165void
… …
187{ 167{
188 struct sockaddr_in insock; 168 struct sockaddr_in insock;
189 struct protoent *protox; 169 struct protoent *protox;
190 struct linger linger_opt; 170 struct linger linger_opt;
191 171
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); 172 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 */
211 173
212 socket_info.timeout.tv_sec = 0; 174 socket_info.timeout.tv_sec = 0;
213 socket_info.timeout.tv_usec = 0; 175 socket_info.timeout.tv_usec = 0;
214 socket_info.nconns = 0; 176 socket_info.nconns = 0;
215 177
216#ifdef CS_LOGSTATS
217 memset (&cst_tot, 0, sizeof (CS_Stats)); 178 memset (&cst_tot, 0, sizeof (CS_Stats));
218 memset (&cst_lst, 0, sizeof (CS_Stats)); 179 memset (&cst_lst, 0, sizeof (CS_Stats));
219 cst_tot.time_start = time (NULL); 180 cst_tot.time_start = time (NULL);
220 cst_lst.time_start = time (NULL); 181 cst_lst.time_start = time (NULL);
221#endif
222 182
223 LOG (llevDebug, "Initialize new client/server data\n"); 183 LOG (llevDebug, "Initialize new client/server data\n");
224 socket_info.nconns = 1; 184 socket_info.nconns = 1;
225 init_sockets = (NewSocket *) malloc (sizeof (NewSocket)); 185 init_sockets = (client_socket *) malloc (sizeof (client_socket));
226 init_sockets[0].faces_sent = NULL; /* unused */ 186 init_sockets[0].faces_sent = NULL; /* unused */
227 socket_info.allocated_sockets = 1; 187 socket_info.allocated_sockets = 1;
228 188
229 protox = getprotobyname ("tcp"); 189 protox = getprotobyname ("tcp");
230 if (protox == NULL) 190 if (protox == NULL)
231 { 191 {
232 LOG (llevError, "init_ericserver: Error getting protox\n"); 192 LOG (llevError, "init_ericserver: Error getting protox\n");
233 return; 193 return;
234 } 194 }
195
235 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto); 196 init_sockets[0].fd = socket (PF_INET, SOCK_STREAM, protox->p_proto);
236 if (init_sockets[0].fd == -1) 197 if (init_sockets[0].fd == -1)
237 { 198 {
238 LOG (llevError, "Cannot create socket: %s\n", strerror (errno)); 199 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
239 exit (-1); 200 exit (-1);
240 } 201 }
202
241 insock.sin_family = AF_INET; 203 insock.sin_family = AF_INET;
242 insock.sin_port = htons (settings.csport); 204 insock.sin_port = htons (settings.csport);
243 insock.sin_addr.s_addr = htonl (INADDR_ANY); 205 insock.sin_addr.s_addr = htonl (INADDR_ANY);
244 206
245 linger_opt.l_onoff = 0; 207 linger_opt.l_onoff = 0;
246 linger_opt.l_linger = 0; 208 linger_opt.l_linger = 0;
247 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger))) 209 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)); 210 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
250 }
251 211
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 { 212 {
262# ifdef WIN32
263 char tmp = 1;
264# else
265 int tmp = 1; 213 int tmp = 1;
266# endif
267 214
268 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof (tmp))) 215 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)); 216 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
271 }
272 } 217 }
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
279 218
280 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1)) 219 if (bind (init_sockets[0].fd, (struct sockaddr *) &insock, sizeof (insock)) == (-1))
281 { 220 {
282 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno)); 221 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); 222 close (init_sockets[0].fd);
288#endif /* win32 */
289 exit (-1); 223 exit (-1);
290 } 224 }
225
291 if (listen (init_sockets[0].fd, 5) == (-1)) 226 if (listen (init_sockets[0].fd, 5) == (-1))
292 { 227 {
293 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno)); 228 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); 229 close (init_sockets[0].fd);
299#endif /* win32 */
300 exit (-1); 230 exit (-1);
301 } 231 }
232
302 init_sockets[0].status = Ns_Add; 233 init_sockets[0].status = Ns_Add;
303 read_client_images (); 234 read_client_images ();
304} 235}
305 236
306 237
… …
325 * might be associated with the socket. It is up to the caller to 256 * might be associated with the socket. It is up to the caller to
326 * update the list 257 * update the list
327 */ 258 */
328 259
329void 260void
330free_newsocket (NewSocket * ns) 261free_newsocket (client_socket *ns)
331{ 262{
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)) 263 close (ns->fd);
338 {
339#endif /* win32 */
340 264
341#ifdef ESRV_DEBUG
342 LOG (llevDebug, "Error closing socket %d\n", ns->fd);
343#endif
344 }
345 if (ns->stats.range) 265 if (ns->stats.range)
346 free (ns->stats.range); 266 free (ns->stats.range);
267
347 if (ns->stats.title) 268 if (ns->stats.title)
348 free (ns->stats.title); 269 free (ns->stats.title);
349 if (ns->comment) 270
350 free (ns->comment);
351 free (ns->host); 271 free (ns->host);
352 free (ns->inbuf.buf);
353} 272}
354 273
355/** Sends the 'goodbye' command to the player, and closes connection. */ 274/** Sends the 'goodbye' command to the player, and closes connection. */
356void 275void
357final_free_player (player *pl) 276final_free_player (player *pl)
358{ 277{
359 cs_write_string (&pl->socket, "goodbye", 8); 278 pl->socket.send_packet ("goodbye");
360 free_newsocket (&pl->socket); 279 free_newsocket (&pl->socket);
361 free_player (pl); 280 free_player (pl);
362} 281}
282

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines