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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.2 by root, Thu Aug 17 20:23:32 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 1.2 2006/08/17 20:23:32 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;
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;
158 ns->current_x = 0; 143 current_x = 0;
159 ns->current_y = 0; 144 current_y = 0;
145 client[0] = 0;
146 buggy_mapscroll = 0;
160 147
161 ns->sent_scroll=0; 148 sent_scroll = 0;
162 ns->host=strdup_local(from_ip); 149 host = strdup_local (from_ip);
150
151 {
152 packet sl;
163 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);
164 sl.buf=(unsigned char*)buf; 154 send_packet (sl);
165 sl.len=strlen((char*)buf); 155 }
166 Send_With_Handling(ns, &sl); 156
167#ifdef CS_LOGSTATS
168 if (socket_info.nconns>cst_tot.max_conn) 157 if (socket_info.nconns > cst_tot.max_conn)
169 cst_tot.max_conn = socket_info.nconns; 158 cst_tot.max_conn = socket_info.nconns;
170 if (socket_info.nconns>cst_lst.max_conn) 159 if (socket_info.nconns > cst_lst.max_conn)
171 cst_lst.max_conn = socket_info.nconns; 160 cst_lst.max_conn = socket_info.nconns;
172#endif
173} 161}
174 162
175 163
176/** 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
177void init_ericserver(void) 166init_ericserver (void)
178{ 167{
179 struct sockaddr_in insock; 168 struct sockaddr_in insock;
180 struct protoent *protox; 169 struct protoent *protox;
181 struct linger linger_opt; 170 struct linger linger_opt;
182 171
183#ifdef WIN32 /* ***win32 - we init a windows socket */
184 WSADATA w;
185
186 socket_info.max_filedescriptor = 1; /* used in select, ignored in winsockets */
187 WSAStartup (0x0101,&w); /* this setup all socket stuff */
188 /* ill include no error tests here, winsocket 1.1 should always work */
189 /* except some old win95 versions without tcp/ip stack */
190#else /* non windows */
191
192#ifdef HAVE_SYSCONF
193 socket_info.max_filedescriptor = sysconf(_SC_OPEN_MAX); 172 socket_info.max_filedescriptor = sysconf (_SC_OPEN_MAX);
194#else
195# ifdef HAVE_GETDTABLESIZE
196 socket_info.max_filedescriptor = getdtablesize();
197# else
198 "Unable to find usable function to get max filedescriptors";
199# endif
200#endif
201#endif /* win32 */
202 173
203 socket_info.timeout.tv_sec = 0; 174 socket_info.timeout.tv_sec = 0;
204 socket_info.timeout.tv_usec = 0; 175 socket_info.timeout.tv_usec = 0;
205 socket_info.nconns=0; 176 socket_info.nconns = 0;
206 177
207#ifdef CS_LOGSTATS
208 memset(&cst_tot, 0, sizeof(CS_Stats)); 178 memset (&cst_tot, 0, sizeof (CS_Stats));
209 memset(&cst_lst, 0, sizeof(CS_Stats)); 179 memset (&cst_lst, 0, sizeof (CS_Stats));
210 cst_tot.time_start=time(NULL); 180 cst_tot.time_start = time (NULL);
211 cst_lst.time_start=time(NULL); 181 cst_lst.time_start = time (NULL);
212#endif
213 182
214 LOG(llevDebug,"Initialize new client/server data\n"); 183 LOG (llevDebug, "Initialize new client/server data\n");
215 socket_info.nconns = 1; 184 socket_info.nconns = 1;
216 init_sockets = (NewSocket *) malloc(sizeof(NewSocket)); 185 init_sockets = (client_socket *) malloc (sizeof (client_socket));
217 init_sockets[0].faces_sent = NULL; /* unused */ 186 init_sockets[0].faces_sent = NULL; /* unused */
218 socket_info.allocated_sockets=1; 187 socket_info.allocated_sockets = 1;
219 188
220 protox = getprotobyname("tcp"); 189 protox = getprotobyname ("tcp");
221 if (protox==NULL) { 190 if (protox == NULL)
191 {
222 LOG(llevError,"init_ericserver: Error getting protox\n"); 192 LOG (llevError, "init_ericserver: Error getting protox\n");
223 return; 193 return;
224 } 194 }
195
225 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);
226 if (init_sockets[0].fd == -1) { 197 if (init_sockets[0].fd == -1)
198 {
227 LOG(llevError, "Cannot create socket: %s\n", strerror_local(errno)); 199 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
228 exit(-1); 200 exit (-1);
229 } 201 }
202
230 insock.sin_family = AF_INET; 203 insock.sin_family = AF_INET;
231 insock.sin_port = htons(settings.csport); 204 insock.sin_port = htons (settings.csport);
232 insock.sin_addr.s_addr = htonl(INADDR_ANY); 205 insock.sin_addr.s_addr = htonl (INADDR_ANY);
233 206
234 linger_opt.l_onoff = 0; 207 linger_opt.l_onoff = 0;
235 linger_opt.l_linger = 0; 208 linger_opt.l_linger = 0;
236 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)))
237 sizeof(struct linger))) {
238 LOG(llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror_local(errno)); 210 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
239 } 211
240/* Would be nice to have an autoconf check for this. It appears that
241 * these functions are both using the same calling syntax, just one
242 * of them needs extra valus passed.
243 */
244#if defined(__osf__) || defined(hpux) || defined(sgi) || defined(NeXT) || \
245 defined(__sun__) || defined(__linux__) || defined(SVR4) || \
246 defined(__FreeBSD__) || defined(__OpenBSD__) || \
247 defined(WIN32) /* ---win32 add this here */ || \
248 defined(__GNU__) /* HURD */
249 { 212 {
250#ifdef WIN32
251 char tmp = 1; 213 int tmp = 1;
252#else
253 int tmp =1;
254#endif
255 214
256 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)))
257 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno)); 216 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
258 }
259 } 217 }
260#else
261 if(setsockopt(init_sockets[0].fd,SOL_SOCKET,SO_REUSEADDR,(char *)NULL,0)) {
262 LOG(llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror_local(errno));
263 }
264#endif
265 218
266 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 {
267 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));
268#ifdef WIN32 /* ***win32: close() -> closesocket() */
269 shutdown(init_sockets[0].fd,SD_BOTH);
270 closesocket(init_sockets[0].fd);
271#else
272 close(init_sockets[0].fd); 222 close (init_sockets[0].fd);
273#endif /* win32 */ 223 exit (-1);
274 exit(-1);
275 } 224 }
225
276 if (listen(init_sockets[0].fd,5) == (-1)) { 226 if (listen (init_sockets[0].fd, 5) == (-1))
227 {
277 LOG(llevError, "Cannot listen on socket: %s\n", strerror_local(errno)); 228 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
278#ifdef WIN32 /* ***win32: close() -> closesocket() */
279 shutdown(init_sockets[0].fd,SD_BOTH);
280 closesocket(init_sockets[0].fd);
281#else
282 close(init_sockets[0].fd); 229 close (init_sockets[0].fd);
283#endif /* win32 */ 230 exit (-1);
284 exit(-1);
285 } 231 }
232
286 init_sockets[0].status=Ns_Add; 233 init_sockets[0].status = Ns_Add;
287 read_client_images(); 234 read_client_images ();
288} 235}
289 236
290 237
291/******************************************************************************* 238/*******************************************************************************
292 * 239 *
293 * Start of functions dealing with freeing of the data. 240 * Start of functions dealing with freeing of the data.
294 * 241 *
295 ******************************************************************************/ 242 ******************************************************************************/
296 243
297/** Free's all the memory that ericserver allocates. */ 244/** Free's all the memory that ericserver allocates. */
245void
298void free_all_newserver(void) 246free_all_newserver (void)
299{ 247{
300 LOG(llevDebug,"Freeing all new client/server information.\n"); 248 LOG (llevDebug, "Freeing all new client/server information.\n");
301 free_socket_images(); 249 free_socket_images ();
302 free(init_sockets); 250 free (init_sockets);
303} 251}
304 252
305/** 253/**
306 * Frees a socket. 254 * Frees a socket.
307 * 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
308 * 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
309 * update the list 257 * update the list
310 */ 258 */
311 259
260void
312void free_newsocket(NewSocket *ns) 261free_newsocket (client_socket *ns)
313{ 262{
314#ifdef WIN32 /* ***win32: closesocket in windows style */ 263 close (ns->fd);
315 shutdown(ns->fd,SD_BOTH);
316 if (closesocket(ns->fd)) {
317#else
318 if (close(ns->fd)) {
319#endif /* win32 */
320 264
321#ifdef ESRV_DEBUG
322 LOG(llevDebug,"Error closing socket %d\n", ns->fd);
323#endif
324 }
325 if (ns->stats.range) 265 if (ns->stats.range)
326 free(ns->stats.range); 266 free (ns->stats.range);
267
327 if (ns->stats.title) 268 if (ns->stats.title)
328 free(ns->stats.title); 269 free (ns->stats.title);
329 if (ns->comment) 270
330 free(ns->comment);
331 free(ns->host); 271 free (ns->host);
332 free(ns->inbuf.buf);
333} 272}
334 273
335/** Sends the 'goodbye' command to the player, and closes connection. */ 274/** Sends the 'goodbye' command to the player, and closes connection. */
275void
336void final_free_player(player *pl) 276final_free_player (player *pl)
337{ 277{
338 cs_write_string(&pl->socket, "goodbye", 8); 278 pl->socket.send_packet ("goodbye");
339 free_newsocket(&pl->socket); 279 free_newsocket (&pl->socket);
340 free_player(pl); 280 free_player (pl);
341} 281}
342 282

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