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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.6 by root, Wed Aug 30 16:30:37 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 1.6 2006/08/30 16:30:37 root 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;
129 ns->extmap = 0; 114 extmap = 0;
130 115
131 /* we should really do some checking here - if total clients overflows 116 /* we should really do some checking here - if total clients overflows
132 * 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
133 * duplicating (not likely in normal cases, but malicous attacks that 118 * duplicating (not likely in normal cases, but malicous attacks that
134 * just open and close connections could get this total up. 119 * just open and close connections could get this total up.
135 */ 120 */
136 ns->inbuf.len=0; 121 inbuf_len = 0;
137 ns->inbuf.buf= (unsigned char*) malloc( sizeof( unsigned char ) * MAXSOCKBUF ); 122
138 /* Basic initialization. Needed because we do a check in 123 /* Basic initialization. Needed because we do a check in
139 * HandleClient for oldsocketmode without checking the 124 * HandleClient for oldsocketmode without checking the
140 * length of data. 125 * length of data.
141 */ 126 */
142 memset( ns->inbuf.buf, 0, sizeof( unsigned char ) * MAXSOCKBUF );
143 memset(&ns->lastmap,0,sizeof(struct Map)); 127 memset (&lastmap, 0, sizeof (struct Map));
144 memset(ns->faces_sent, 0, ns->faces_sent_len*sizeof(*ns->faces_sent)); 128 memset (faces_sent, 0, faces_sent_len * sizeof (*faces_sent));
145 memset(&ns->anims_sent,0,sizeof(ns->anims_sent)); 129 memset (&anims_sent, 0, sizeof (anims_sent));
146 memset(&ns->stats,0,sizeof(struct statsinfo)); 130 memset (&stats, 0, sizeof (struct statsinfo));
147 /* 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
148 * 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
149 * face information. 133 * face information.
150 */ 134 */
151 ns->faces_sent[0] = NS_FACESENT_FACE; 135 faces_sent[0] = NS_FACESENT_FACE;
152 136
153 ns->outputbuffer.start=0; 137 outputbuffer.start = 0;
154 ns->outputbuffer.len=0; 138 outputbuffer.len = 0;
155 ns->can_write=1; 139 can_write = 1;
156 ns->password_fails = 0; 140 password_fails = 0;
157 141
158 ns->current_map = 0; 142 current_map = 0;
159 ns->current_x = 0; 143 current_x = 0;
160 ns->current_y = 0; 144 current_y = 0;
161 ns->client[0] = 0; 145 client[0] = 0;
162 ns->buggy_mapscroll = 0; 146 buggy_mapscroll = 0;
163 147
164 ns->sent_scroll=0; 148 sent_scroll = 0;
165 ns->host=strdup_local(from_ip); 149 host = strdup_local (from_ip);
150
151 {
152 packet sl;
166 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);
167 sl.buf=(unsigned char*)buf; 154 send_packet (sl);
168 sl.len=strlen((char*)buf); 155 }
169 Send_With_Handling(ns, &sl); 156
170#ifdef CS_LOGSTATS
171 if (socket_info.nconns>cst_tot.max_conn) 157 if (socket_info.nconns > cst_tot.max_conn)
172 cst_tot.max_conn = socket_info.nconns; 158 cst_tot.max_conn = socket_info.nconns;
173 if (socket_info.nconns>cst_lst.max_conn) 159 if (socket_info.nconns > cst_lst.max_conn)
174 cst_lst.max_conn = socket_info.nconns; 160 cst_lst.max_conn = socket_info.nconns;
175#endif
176} 161}
177 162
178 163
179/** 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
180void init_ericserver(void) 166init_ericserver (void)
181{ 167{
182 struct sockaddr_in insock; 168 struct sockaddr_in insock;
183 struct protoent *protox; 169 struct protoent *protox;
184 struct linger linger_opt; 170 struct linger linger_opt;
185 171
186#ifdef WIN32 /* ***win32 - we init a windows socket */
187 WSADATA w;
188
189 socket_info.max_filedescriptor = 1; /* used in select, ignored in winsockets */
190 WSAStartup (0x0101,&w); /* this setup all socket stuff */
191 /* ill include no error tests here, winsocket 1.1 should always work */
192 /* except some old win95 versions without tcp/ip stack */
193#else /* non windows */
194
195#ifdef HAVE_SYSCONF
196 socket_info.max_filedescriptor = sysconf(_SC_OPEN_MAX); 172 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
197#else
198# ifdef HAVE_GETDTABLESIZE
199 socket_info.max_filedescriptor = getdtablesize();
200# else
201 "Unable to find usable function to get max filedescriptors";
202# endif
203#endif
204#endif /* win32 */
205 173
206 socket_info.timeout.tv_sec = 0; 174 socket_info.timeout.tv_sec = 0;
207 socket_info.timeout.tv_usec = 0; 175 socket_info.timeout.tv_usec = 0;
208 socket_info.nconns=0; 176 socket_info.nconns = 0;
209 177
210#ifdef CS_LOGSTATS
211 memset(&cst_tot, 0, sizeof(CS_Stats)); 178 memset (&cst_tot, 0, sizeof (CS_Stats));
212 memset(&cst_lst, 0, sizeof(CS_Stats)); 179 memset (&cst_lst, 0, sizeof (CS_Stats));
213 cst_tot.time_start=time(NULL); 180 cst_tot.time_start = time (NULL);
214 cst_lst.time_start=time(NULL); 181 cst_lst.time_start = time (NULL);
215#endif
216 182
217 LOG(llevDebug,"Initialize new client/server data\n"); 183 LOG (llevDebug, "Initialize new client/server data\n");
218 socket_info.nconns = 1; 184 socket_info.nconns = 1;
219 init_sockets = (NewSocket *) malloc(sizeof(NewSocket)); 185 init_sockets = (client_socket *) malloc (sizeof (client_socket));
220 init_sockets[0].faces_sent = NULL; /* unused */ 186 init_sockets[0].faces_sent = NULL; /* unused */
221 socket_info.allocated_sockets=1; 187 socket_info.allocated_sockets = 1;
222 188
223 protox = getprotobyname("tcp"); 189 protox = getprotobyname ("tcp");
224 if (protox==NULL) { 190 if (protox == NULL)
191 {
225 LOG(llevError,"init_ericserver: Error getting protox\n"); 192 LOG (llevError, "init_ericserver: Error getting protox\n");
226 return; 193 return;
227 } 194 }
195
228 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);
229 if (init_sockets[0].fd == -1) { 197 if (init_sockets[0].fd == -1)
198 {
230 LOG(llevError, "Cannot create socket: %s\n", strerror(errno)); 199 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
231 exit(-1); 200 exit (-1);
232 } 201 }
202
233 insock.sin_family = AF_INET; 203 insock.sin_family = AF_INET;
234 insock.sin_port = htons(settings.csport); 204 insock.sin_port = htons (settings.csport);
235 insock.sin_addr.s_addr = htonl(INADDR_ANY); 205 insock.sin_addr.s_addr = htonl (INADDR_ANY);
236 206
237 linger_opt.l_onoff = 0; 207 linger_opt.l_onoff = 0;
238 linger_opt.l_linger = 0; 208 linger_opt.l_linger = 0;
239 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)))
240 sizeof(struct linger))) {
241 LOG(llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror(errno)); 210 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
242 } 211
243/* Would be nice to have an autoconf check for this. It appears that
244 * these functions are both using the same calling syntax, just one
245 * of them needs extra valus passed.
246 */
247#if defined(__osf__) || defined(hpux) || defined(sgi) || defined(NeXT) || \
248 defined(__sun__) || defined(__linux__) || defined(SVR4) || \
249 defined(__FreeBSD__) || defined(__OpenBSD__) || \
250 defined(WIN32) /* ---win32 add this here */ || \
251 defined(__GNU__) /* HURD */
252 { 212 {
253#ifdef WIN32
254 char tmp = 1;
255#else
256 int tmp =1; 213 int tmp = 1;
257#endif
258 214
259 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)))
260 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror(errno));
261 }
262 }
263#else
264 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR,(char *)NULL,0)) {
265 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror(errno)); 216 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
266 } 217 }
267#endif
268 218
269 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 {
270 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));
271#ifdef WIN32 /* ***win32: close() -> closesocket() */
272 shutdown(init_sockets[0].fd,SD_BOTH);
273 closesocket(init_sockets[0].fd);
274#else
275 close(init_sockets[0].fd); 222 close (init_sockets[0].fd);
276#endif /* win32 */
277 exit(-1); 223 exit (-1);
278 } 224 }
225
279 if (listen(init_sockets[0].fd,5) == (-1)) { 226 if (listen (init_sockets[0].fd, 5) == (-1))
227 {
280 LOG(llevError, "Cannot listen on socket: %s\n", strerror(errno)); 228 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
281#ifdef WIN32 /* ***win32: close() -> closesocket() */
282 shutdown(init_sockets[0].fd,SD_BOTH);
283 closesocket(init_sockets[0].fd);
284#else
285 close(init_sockets[0].fd); 229 close (init_sockets[0].fd);
286#endif /* win32 */
287 exit(-1); 230 exit (-1);
288 } 231 }
232
289 init_sockets[0].status=Ns_Add; 233 init_sockets[0].status = Ns_Add;
290 read_client_images(); 234 read_client_images ();
291} 235}
292 236
293 237
294/******************************************************************************* 238/*******************************************************************************
295 * 239 *
296 * Start of functions dealing with freeing of the data. 240 * Start of functions dealing with freeing of the data.
297 * 241 *
298 ******************************************************************************/ 242 ******************************************************************************/
299 243
300/** Free's all the memory that ericserver allocates. */ 244/** Free's all the memory that ericserver allocates. */
245void
301void free_all_newserver(void) 246free_all_newserver (void)
302{ 247{
303 LOG(llevDebug,"Freeing all new client/server information.\n"); 248 LOG (llevDebug, "Freeing all new client/server information.\n");
304 free_socket_images(); 249 free_socket_images ();
305 free(init_sockets); 250 free (init_sockets);
306} 251}
307 252
308/** 253/**
309 * Frees a socket. 254 * Frees a socket.
310 * 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
311 * 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
312 * update the list 257 * update the list
313 */ 258 */
314 259
260void
315void free_newsocket(NewSocket *ns) 261free_newsocket (client_socket *ns)
316{ 262{
317#ifdef WIN32 /* ***win32: closesocket in windows style */ 263 close (ns->fd);
318 shutdown(ns->fd,SD_BOTH);
319 if (closesocket(ns->fd)) {
320#else
321 if (close(ns->fd)) {
322#endif /* win32 */
323 264
324#ifdef ESRV_DEBUG
325 LOG(llevDebug,"Error closing socket %d\n", ns->fd);
326#endif
327 }
328 if (ns->stats.range) 265 if (ns->stats.range)
329 free(ns->stats.range); 266 free (ns->stats.range);
267
330 if (ns->stats.title) 268 if (ns->stats.title)
331 free(ns->stats.title); 269 free (ns->stats.title);
332 if (ns->comment) 270
333 free(ns->comment);
334 free(ns->host); 271 free (ns->host);
335 free(ns->inbuf.buf);
336} 272}
337 273
338/** Sends the 'goodbye' command to the player, and closes connection. */ 274/** Sends the 'goodbye' command to the player, and closes connection. */
275void
339void final_free_player(player *pl) 276final_free_player (player *pl)
340{ 277{
341 cs_write_string(&pl->socket, "goodbye", 8); 278 pl->socket.send_packet ("goodbye");
342 free_newsocket(&pl->socket); 279 free_newsocket (&pl->socket);
343 free_player(pl); 280 free_player (pl);
344} 281}
345 282

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