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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.1 by elmex, Sun Aug 13 17:16:05 2006 UTC vs.
Revision 1.15 by root, Thu Dec 14 02:37:37 2006 UTC

1/*
2 * static char *rcsid_init_c =
3 * "$Id: init.C,v 1.1 2006/08/13 17:16:05 elmex Exp $";
4 */
5
6/* 1/*
7 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
8 3
9 Copyright (C) 2001 Mark Wedel 4 Copyright (C) 2001 Mark Wedel
10 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
21 16
22 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
23 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 20
26 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>
27*/ 22*/
28 23
29/** 24/**
30 * \file 25 * \file
31 * Socket general functions 26 * Socket general functions
… …
37 * The reading of data is handled in ericserver.c 32 * The reading of data is handled in ericserver.c
38 */ 33 */
39 34
40 35
41#include <global.h> 36#include <global.h>
42#ifndef __CEXTRACT__
43#include <sproto.h> 37#include <sproto.h>
44#endif
45#ifndef WIN32 /* ---win32 exclude include files */
46#include <sys/types.h> 38#include <sys/types.h>
47#include <sys/time.h> 39#include <sys/time.h>
48#include <sys/socket.h> 40#include <sys/socket.h>
49#include <netinet/in.h> 41#include <netinet/in.h>
50#include <netdb.h> 42#include <netdb.h>
51#endif /* win32 */
52 43
53#ifdef HAVE_UNISTD_H 44#ifdef HAVE_UNISTD_H
54#include <unistd.h> 45# include <unistd.h>
55#endif 46#endif
56 47
57#ifdef HAVE_ARPA_INET_H 48#ifdef HAVE_ARPA_INET_H
58#include <arpa/inet.h> 49# include <arpa/inet.h>
59#endif 50#endif
60#include <newserver.h> 51#include <newserver.h>
61 52
62Socket_Info socket_info; 53Socket_Info socket_info;
63NewSocket *init_sockets; 54client_socket *init_sockets;
55
56client_socket::client_socket ()
57{
58}
59
60client_socket::~client_socket ()
61{
62}
64 63
65/** 64/**
66 * Initializes a connection. Really, it just sets up the data structure, 65 * Initializes a connection. Really, it just sets up the data structure,
67 * 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
68 * client. 67 * client.
69 */ 68 */
70void InitConnection(NewSocket *ns, const char *from_ip) 69void
70client_socket::init (const char *from_ip)
71{ 71{
72 SockList sl;
73 char buf[256];
74 int bufsize=65535; /*Supposed absolute upper limit */ 72 int bufsize = 65535; /*Supposed absolute upper limit */
75 int oldbufsize; 73 int oldbufsize;
76 int buflen=sizeof(int); 74 int buflen = sizeof (int);
77 75
78#ifdef WIN32 /* ***WIN32 SOCKET: init win32 non blocking socket */
79 int temp = 1;
80
81 if(ioctlsocket(ns->fd, FIONBIO , &temp) == -1)
82 LOG(llevError,"InitConnection: Error on ioctlsocket.\n");
83#else
84 if (fcntl(ns->fd, F_SETFL, O_NONBLOCK)==-1) { 76 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
85 LOG(llevError,"InitConnection: Error on fcntl.\n"); 77 LOG (llevError, "InitConnection: Error on fcntl.\n");
86 }
87#endif /* end win32 */
88 78
89 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)
90 oldbufsize=0; 80 oldbufsize = 0;
81
91 if (oldbufsize<bufsize) { 82 if (oldbufsize < bufsize)
83 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
84 LOG (llevError, "InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
85
86 buflen = sizeof (oldbufsize);
87 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
92#ifdef ESRV_DEBUG 88#ifdef ESRV_DEBUG
93 LOG(llevDebug, "Default buffer size was %d bytes, will reset it to %d\n", oldbufsize, bufsize); 89 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
94#endif 90#endif
95 if(setsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&bufsize, sizeof(&bufsize))) {
96 LOG(llevError,"InitConnection: setsockopt unable to set output buf size to %d\n", bufsize);
97 }
98 }
99 buflen=sizeof(oldbufsize);
100 getsockopt(ns->fd,SOL_SOCKET,SO_SNDBUF, (char*)&oldbufsize, (socklen_t*) &buflen);
101#ifdef ESRV_DEBUG
102 LOG(llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
103#endif
104 91
105 ns->faceset = 0; 92 faceset = 0;
106 ns->facecache = 0; 93 facecache = 0;
107 ns->image2 = 0; 94 image2 = 0;
108 ns->sound = 0; 95 sound = 0;
109 ns->exp64 = 0; 96 exp64 = 0;
110 ns->monitor_spells = 0; 97 monitor_spells = 0;
111 ns->mapmode = Map0Cmd; 98 mapmode = Map0Cmd;
112 ns->darkness = 1; 99 darkness = 1;
113 ns->status = Ns_Add; 100 status = Ns_Add;
114 ns->comment = NULL;
115 ns->old_mode = (Old_Mode) 0;
116 ns->mapx = 11; 101 mapx = 11;
117 ns->mapy = 11; 102 mapy = 11;
118 ns->newmapcmd= 0; 103 newmapcmd = 0;
119 ns->itemcmd = 1; /* Default is version item1 command*/ 104 itemcmd = 1; /* Default is version item1 command */
120 ns->ext_mapinfos=0; /*extendedmapinfo datas*/ 105 ext_mapinfos = 0; /*extendedmapinfo datas */
121 ns->EMI_smooth=0; 106 EMI_smooth = 0;
122 ns->look_position = 0; 107 look_position = 0;
123 ns->update_look = 0; 108 update_look = 0;
124 ns->has_readable_type = 0; 109 has_readable_type = 0;
125 ns->supported_readables = 0; 110 supported_readables = 0;
126 ns->monitor_spells = 0; 111 monitor_spells = 0;
127 ns->mapinfocmd = 0; 112 mapinfocmd = 0;
128 ns->extcmd = 0; 113 extcmd = 0;
114 extmap = 0;
129 115
130 /* we should really do some checking here - if total clients overflows 116 /* we should really do some checking here - if total clients overflows
131 * 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
132 * duplicating (not likely in normal cases, but malicous attacks that 118 * duplicating (not likely in normal cases, but malicous attacks that
133 * just open and close connections could get this total up. 119 * just open and close connections could get this total up.
134 */ 120 */
135 ns->inbuf.len=0; 121 inbuf_len = 0;
136 ns->inbuf.buf= (unsigned char*) malloc( sizeof( unsigned char ) * MAXSOCKBUF ); 122
137 /* Basic initialization. Needed because we do a check in 123 /* Basic initialization. Needed because we do a check in
138 * HandleClient for oldsocketmode without checking the 124 * HandleClient for oldsocketmode without checking the
139 * length of data. 125 * length of data.
140 */ 126 */
141 memset( ns->inbuf.buf, 0, sizeof( unsigned char ) * MAXSOCKBUF );
142 memset(&ns->lastmap,0,sizeof(struct Map)); 127 memset (&lastmap, 0, sizeof (struct Map));
143 memset(ns->faces_sent, 0, ns->faces_sent_len*sizeof(*ns->faces_sent)); 128 memset (faces_sent, 0, faces_sent_len * sizeof (*faces_sent));
144 memset(&ns->anims_sent,0,sizeof(ns->anims_sent)); 129 memset (&anims_sent, 0, sizeof (anims_sent));
145 memset(&ns->stats,0,sizeof(struct statsinfo)); 130 memset (&stats, 0, sizeof (struct statsinfo));
146 /* 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
147 * 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
148 * face information. 133 * face information.
149 */ 134 */
150 ns->faces_sent[0] = NS_FACESENT_FACE; 135 faces_sent[0] = NS_FACESENT_FACE;
151 136
152 ns->outputbuffer.start=0; 137 outputbuffer.start = 0;
153 ns->outputbuffer.len=0; 138 outputbuffer.len = 0;
154 ns->can_write=1; 139 can_write = 1;
155 ns->password_fails = 0; 140 password_fails = 0;
156 141
157 ns->current_map = 0; 142 current_map = 0;
143 current_x = 0;
144 current_y = 0;
145 client[0] = 0;
146 buggy_mapscroll = 0;
158 147
159 ns->sent_scroll=0; 148 sent_scroll = 0;
160 ns->host=strdup_local(from_ip); 149 host = strdup_local (from_ip);
150
151 {
152 packet sl;
161 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);
162 sl.buf=(unsigned char*)buf; 154 send_packet (sl);
163 sl.len=strlen((char*)buf); 155 }
164 Send_With_Handling(ns, &sl); 156
165#ifdef CS_LOGSTATS
166 if (socket_info.nconns>cst_tot.max_conn) 157 if (socket_info.nconns > cst_tot.max_conn)
167 cst_tot.max_conn = socket_info.nconns; 158 cst_tot.max_conn = socket_info.nconns;
168 if (socket_info.nconns>cst_lst.max_conn) 159 if (socket_info.nconns > cst_lst.max_conn)
169 cst_lst.max_conn = socket_info.nconns; 160 cst_lst.max_conn = socket_info.nconns;
170#endif
171} 161}
172 162
173 163
174/** 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. */
165void
175void init_ericserver(void) 166init_ericserver (void)
176{ 167{
177 struct sockaddr_in insock; 168 struct sockaddr_in insock;
178 struct protoent *protox; 169 struct protoent *protox;
179 struct linger linger_opt; 170 struct linger linger_opt;
180 171
181#ifdef WIN32 /* ***win32 - we init a windows socket */
182 WSADATA w;
183
184 socket_info.max_filedescriptor = 1; /* used in select, ignored in winsockets */
185 WSAStartup (0x0101,&w); /* this setup all socket stuff */
186 /* ill include no error tests here, winsocket 1.1 should always work */
187 /* except some old win95 versions without tcp/ip stack */
188#else /* non windows */
189
190#ifdef HAVE_SYSCONF
191 socket_info.max_filedescriptor = sysconf(_SC_OPEN_MAX); 172 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
192#else
193# ifdef HAVE_GETDTABLESIZE
194 socket_info.max_filedescriptor = getdtablesize();
195# else
196 "Unable to find usable function to get max filedescriptors";
197# endif
198#endif
199#endif /* win32 */
200 173
201 socket_info.timeout.tv_sec = 0; 174 socket_info.timeout.tv_sec = 0;
202 socket_info.timeout.tv_usec = 0; 175 socket_info.timeout.tv_usec = 0;
203 socket_info.nconns=0; 176 socket_info.nconns = 0;
204 177
205#ifdef CS_LOGSTATS
206 memset(&cst_tot, 0, sizeof(CS_Stats)); 178 memset (&cst_tot, 0, sizeof (CS_Stats));
207 memset(&cst_lst, 0, sizeof(CS_Stats)); 179 memset (&cst_lst, 0, sizeof (CS_Stats));
208 cst_tot.time_start=time(NULL); 180 cst_tot.time_start = time (NULL);
209 cst_lst.time_start=time(NULL); 181 cst_lst.time_start = time (NULL);
210#endif
211 182
212 LOG(llevDebug,"Initialize new client/server data\n"); 183 LOG (llevDebug, "Initialize new client/server data\n");
213 socket_info.nconns = 1; 184 socket_info.nconns = 1;
214 init_sockets = (NewSocket *) malloc(sizeof(NewSocket)); 185 init_sockets = (client_socket *) malloc (sizeof (client_socket));
215 init_sockets[0].faces_sent = NULL; /* unused */ 186 init_sockets[0].faces_sent = NULL; /* unused */
216 socket_info.allocated_sockets=1; 187 socket_info.allocated_sockets = 1;
217 188
218 protox = getprotobyname("tcp"); 189 protox = getprotobyname ("tcp");
219 if (protox==NULL) { 190 if (protox == NULL)
191 {
220 LOG(llevError,"init_ericserver: Error getting protox\n"); 192 LOG (llevError, "init_ericserver: Error getting protox\n");
221 return; 193 return;
222 } 194 }
195
223 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);
224 if (init_sockets[0].fd == -1) { 197 if (init_sockets[0].fd == -1)
198 {
225 LOG(llevError, "Cannot create socket: %s\n", strerror_local(errno)); 199 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
226 exit(-1); 200 exit (-1);
227 } 201 }
202
228 insock.sin_family = AF_INET; 203 insock.sin_family = AF_INET;
229 insock.sin_port = htons(settings.csport); 204 insock.sin_port = htons (settings.csport);
230 insock.sin_addr.s_addr = htonl(INADDR_ANY); 205 insock.sin_addr.s_addr = htonl (INADDR_ANY);
231 206
232 linger_opt.l_onoff = 0; 207 linger_opt.l_onoff = 0;
233 linger_opt.l_linger = 0; 208 linger_opt.l_linger = 0;
234 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_LINGER,(char *) &linger_opt, 209 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_LINGER, (char *) &linger_opt, sizeof (struct linger)))
235 sizeof(struct linger))) {
236 LOG(llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror_local(errno)); 210 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
237 } 211
238/* Would be nice to have an autoconf check for this. It appears that
239 * these functions are both using the same calling syntax, just one
240 * of them needs extra valus passed.
241 */
242#if defined(__osf__) || defined(hpux) || defined(sgi) || defined(NeXT) || \
243 defined(__sun__) || defined(__linux__) || defined(SVR4) || \
244 defined(__FreeBSD__) || defined(__OpenBSD__) || \
245 defined(WIN32) /* ---win32 add this here */ || \
246 defined(__GNU__) /* HURD */
247 { 212 {
248#ifdef WIN32
249 char tmp = 1; 213 int tmp = 1;
250#else
251 int tmp =1;
252#endif
253 214
254 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)))
255 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno)); 216 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
256 }
257 } 217 }
258#else
259 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR,(char *)NULL,0)) {
260 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno));
261 }
262#endif
263 218
264 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))
220 {
265 LOG(llevError, "Cannot bind socket to port %d: %s\n", ntohs(insock.sin_port), strerror_local(errno)); 221 LOG (llevError, "Cannot bind socket to port %d: %s\n", ntohs (insock.sin_port), strerror (errno));
266#ifdef WIN32 /* ***win32: close() -> closesocket() */
267 shutdown(init_sockets[0].fd,SD_BOTH);
268 closesocket(init_sockets[0].fd);
269#else
270 close(init_sockets[0].fd); 222 close (init_sockets[0].fd);
271#endif /* win32 */ 223 exit (-1);
272 exit(-1);
273 } 224 }
225
274 if (listen(init_sockets[0].fd,5) == (-1)) { 226 if (listen (init_sockets[0].fd, 5) == (-1))
227 {
275 LOG(llevError, "Cannot listen on socket: %s\n", strerror_local(errno)); 228 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
276#ifdef WIN32 /* ***win32: close() -> closesocket() */
277 shutdown(init_sockets[0].fd,SD_BOTH);
278 closesocket(init_sockets[0].fd);
279#else
280 close(init_sockets[0].fd); 229 close (init_sockets[0].fd);
281#endif /* win32 */ 230 exit (-1);
282 exit(-1);
283 } 231 }
232
284 init_sockets[0].status=Ns_Add; 233 init_sockets[0].status = Ns_Add;
285 read_client_images(); 234 read_client_images ();
286} 235}
287 236
288 237
289/******************************************************************************* 238/*******************************************************************************
290 * 239 *
291 * Start of functions dealing with freeing of the data. 240 * Start of functions dealing with freeing of the data.
292 * 241 *
293 ******************************************************************************/ 242 ******************************************************************************/
294 243
295/** Free's all the memory that ericserver allocates. */ 244/** Free's all the memory that ericserver allocates. */
245void
296void free_all_newserver(void) 246free_all_newserver (void)
297{ 247{
298 LOG(llevDebug,"Freeing all new client/server information.\n"); 248 LOG (llevDebug, "Freeing all new client/server information.\n");
299 free_socket_images(); 249 free_socket_images ();
300 free(init_sockets); 250 free (init_sockets);
301} 251}
302 252
303/** 253/**
304 * Frees a socket. 254 * Frees a socket.
305 * Basically, all we need to do here is free all data structures that 255 * Basically, all we need to do here is free all data structures that
306 * 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
307 * update the list 257 * update the list
308 */ 258 */
309 259
260void
310void free_newsocket(NewSocket *ns) 261free_newsocket (client_socket *ns)
311{ 262{
312#ifdef WIN32 /* ***win32: closesocket in windows style */ 263 close (ns->fd);
313 shutdown(ns->fd,SD_BOTH);
314 if (closesocket(ns->fd)) {
315#else
316 if (close(ns->fd)) {
317#endif /* win32 */
318 264
319#ifdef ESRV_DEBUG
320 LOG(llevDebug,"Error closing socket %d\n", ns->fd);
321#endif
322 }
323 if (ns->stats.range) 265 if (ns->stats.range)
324 free(ns->stats.range); 266 free (ns->stats.range);
267
325 if (ns->stats.title) 268 if (ns->stats.title)
326 free(ns->stats.title); 269 free (ns->stats.title);
327 if (ns->comment) 270
328 free(ns->comment);
329 free(ns->host); 271 free (ns->host);
330 free(ns->inbuf.buf);
331} 272}
332 273
333/** Sends the 'goodbye' command to the player, and closes connection. */ 274/** Sends the 'goodbye' command to the player, and closes connection. */
275void
334void final_free_player(player *pl) 276final_free_player (player *pl)
335{ 277{
336 cs_write_string(&pl->socket, "goodbye", 8); 278 pl->socket.send_packet ("goodbye");
337 free_newsocket(&pl->socket); 279 free_newsocket (&pl->socket);
338 free_player(pl); 280 free_player (pl);
339} 281}
340 282

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