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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.8 by root, Thu Sep 14 22:34:05 2006 UTC vs.
Revision 1.15 by root, Thu Dec 14 02:37:37 2006 UTC

… …
32 * The reading of data is handled in ericserver.c 32 * The reading of data is handled in ericserver.c
33 */ 33 */
34 34
35 35
36#include <global.h> 36#include <global.h>
37#ifndef __CEXTRACT__
38# include <sproto.h> 37#include <sproto.h>
39#endif
40#ifndef WIN32 /* ---win32 exclude include files */
41# include <sys/types.h> 38#include <sys/types.h>
42# include <sys/time.h> 39#include <sys/time.h>
43# include <sys/socket.h> 40#include <sys/socket.h>
44# include <netinet/in.h> 41#include <netinet/in.h>
45# include <netdb.h> 42#include <netdb.h>
46#endif /* win32 */
47 43
48#ifdef HAVE_UNISTD_H 44#ifdef HAVE_UNISTD_H
49# include <unistd.h> 45# include <unistd.h>
50#endif 46#endif
51 47
… …
53# include <arpa/inet.h> 49# include <arpa/inet.h>
54#endif 50#endif
55#include <newserver.h> 51#include <newserver.h>
56 52
57Socket_Info socket_info; 53Socket_Info socket_info;
58NewSocket *init_sockets; 54client_socket *init_sockets;
55
56client_socket::client_socket ()
57{
58}
59
60client_socket::~client_socket ()
61{
62}
59 63
60/** 64/**
61 * Initializes a connection. Really, it just sets up the data structure, 65 * Initializes a connection. Really, it just sets up the data structure,
62 * 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
63 * client. 67 * client.
64 */ 68 */
65void 69void
66InitConnection (NewSocket * ns, const char *from_ip) 70client_socket::init (const char *from_ip)
67{ 71{
68 SockList sl;
69 char buf[256];
70 int bufsize = 65535; /*Supposed absolute upper limit */ 72 int bufsize = 65535; /*Supposed absolute upper limit */
71 int oldbufsize; 73 int oldbufsize;
72 int buflen = sizeof (int); 74 int buflen = sizeof (int);
73 75
74#ifdef WIN32 /* ***WIN32 SOCKET: init win32 non blocking socket */
75 int temp = 1;
76
77 if (ioctlsocket (ns->fd, FIONBIO, &temp) == -1)
78 LOG (llevError, "InitConnection: Error on ioctlsocket.\n");
79#else
80 if (fcntl (ns->fd, F_SETFL, O_NONBLOCK) == -1) 76 if (fcntl (fd, F_SETFL, O_NONBLOCK) == -1)
81 {
82 LOG (llevError, "InitConnection: Error on fcntl.\n"); 77 LOG (llevError, "InitConnection: Error on fcntl.\n");
83 }
84#endif /* end win32 */
85 78
86 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)
87 oldbufsize = 0; 80 oldbufsize = 0;
81
88 if (oldbufsize < bufsize) 82 if (oldbufsize < bufsize)
89 {
90#ifdef ESRV_DEBUG
91 LOG (llevDebug, "Default buffer size was %d bytes, will reset it to %d\n", oldbufsize, bufsize);
92#endif
93 if (setsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize))) 83 if (setsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &bufsize, sizeof (&bufsize)))
94 {
95 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);
96 } 85
97 }
98 buflen = sizeof (oldbufsize); 86 buflen = sizeof (oldbufsize);
99 getsockopt (ns->fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 87 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
100#ifdef ESRV_DEBUG 88#ifdef ESRV_DEBUG
101 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize); 89 LOG (llevDebug, "Socket buffer size now %d bytes\n", oldbufsize);
102#endif 90#endif
103 91
104 ns->faceset = 0; 92 faceset = 0;
105 ns->facecache = 0; 93 facecache = 0;
106 ns->image2 = 0; 94 image2 = 0;
107 ns->sound = 0; 95 sound = 0;
108 ns->exp64 = 0; 96 exp64 = 0;
109 ns->monitor_spells = 0; 97 monitor_spells = 0;
110 ns->mapmode = Map0Cmd; 98 mapmode = Map0Cmd;
111 ns->darkness = 1; 99 darkness = 1;
112 ns->status = Ns_Add; 100 status = Ns_Add;
113 ns->comment = NULL;
114 ns->old_mode = (Old_Mode) 0;
115 ns->mapx = 11; 101 mapx = 11;
116 ns->mapy = 11; 102 mapy = 11;
117 ns->newmapcmd = 0; 103 newmapcmd = 0;
118 ns->itemcmd = 1; /* Default is version item1 command */ 104 itemcmd = 1; /* Default is version item1 command */
119 ns->ext_mapinfos = 0; /*extendedmapinfo datas */ 105 ext_mapinfos = 0; /*extendedmapinfo datas */
120 ns->EMI_smooth = 0; 106 EMI_smooth = 0;
121 ns->look_position = 0; 107 look_position = 0;
122 ns->update_look = 0; 108 update_look = 0;
123 ns->has_readable_type = 0; 109 has_readable_type = 0;
124 ns->supported_readables = 0; 110 supported_readables = 0;
125 ns->monitor_spells = 0; 111 monitor_spells = 0;
126 ns->mapinfocmd = 0; 112 mapinfocmd = 0;
127 ns->extcmd = 0; 113 extcmd = 0;
128 ns->extmap = 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;
160 ns->client[0] = 0; 145 client[0] = 0;
161 ns->buggy_mapscroll = 0; 146 buggy_mapscroll = 0;
162 147
163 ns->sent_scroll = 0; 148 sent_scroll = 0;
164 ns->host = strdup_local (from_ip); 149 host = strdup_local (from_ip);
150
151 {
152 packet sl;
165 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);
166 sl.buf = (unsigned char *) buf; 154 send_packet (sl);
167 sl.len = strlen ((char *) buf); 155 }
168 Send_With_Handling (ns, &sl); 156
169#ifdef CS_LOGSTATS
170 if (socket_info.nconns > cst_tot.max_conn) 157 if (socket_info.nconns > cst_tot.max_conn)
171 cst_tot.max_conn = socket_info.nconns; 158 cst_tot.max_conn = socket_info.nconns;
172 if (socket_info.nconns > cst_lst.max_conn) 159 if (socket_info.nconns > cst_lst.max_conn)
173 cst_lst.max_conn = socket_info.nconns; 160 cst_lst.max_conn = socket_info.nconns;
174#endif
175} 161}
176 162
177 163
178/** 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. */
179void 165void
… …
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)
225 { 191 {
226 LOG (llevError, "init_ericserver: Error getting protox\n"); 192 LOG (llevError, "init_ericserver: Error getting protox\n");
227 return; 193 return;
228 } 194 }
195
229 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);
230 if (init_sockets[0].fd == -1) 197 if (init_sockets[0].fd == -1)
231 { 198 {
232 LOG (llevError, "Cannot create socket: %s\n", strerror (errno)); 199 LOG (llevError, "Cannot create socket: %s\n", strerror (errno));
233 exit (-1); 200 exit (-1);
234 } 201 }
202
235 insock.sin_family = AF_INET; 203 insock.sin_family = AF_INET;
236 insock.sin_port = htons (settings.csport); 204 insock.sin_port = htons (settings.csport);
237 insock.sin_addr.s_addr = htonl (INADDR_ANY); 205 insock.sin_addr.s_addr = htonl (INADDR_ANY);
238 206
239 linger_opt.l_onoff = 0; 207 linger_opt.l_onoff = 0;
240 linger_opt.l_linger = 0; 208 linger_opt.l_linger = 0;
241 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)))
242 {
243 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); 210 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno));
244 }
245 211
246/* Would be nice to have an autoconf check for this. It appears that
247 * these functions are both using the same calling syntax, just one
248 * of them needs extra valus passed.
249 */
250#if defined(__osf__) || defined(hpux) || defined(sgi) || defined(NeXT) || \
251 defined(__sun__) || defined(__linux__) || defined(SVR4) || \
252 defined(__FreeBSD__) || defined(__OpenBSD__) || \
253 defined(WIN32) /* ---win32 add this here */ || \
254 defined(__GNU__) /* HURD */
255 { 212 {
256# ifdef WIN32
257 char tmp = 1;
258# else
259 int tmp = 1; 213 int tmp = 1;
260# endif
261 214
262 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)))
263 {
264 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno)); 216 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
265 }
266 } 217 }
267#else
268 if (setsockopt (init_sockets[0].fd, SOL_SOCKET, SO_REUSEADDR, (char *) NULL, 0))
269 {
270 LOG (llevError, "Cannot setsockopt(SO_REUSEADDR): %s\n", strerror (errno));
271 }
272#endif
273 218
274 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))
275 { 220 {
276 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));
277#ifdef WIN32 /* ***win32: close() -> closesocket() */
278 shutdown (init_sockets[0].fd, SD_BOTH);
279 closesocket (init_sockets[0].fd);
280#else
281 close (init_sockets[0].fd); 222 close (init_sockets[0].fd);
282#endif /* win32 */
283 exit (-1); 223 exit (-1);
284 } 224 }
225
285 if (listen (init_sockets[0].fd, 5) == (-1)) 226 if (listen (init_sockets[0].fd, 5) == (-1))
286 { 227 {
287 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno)); 228 LOG (llevError, "Cannot listen on socket: %s\n", strerror (errno));
288#ifdef WIN32 /* ***win32: close() -> closesocket() */
289 shutdown (init_sockets[0].fd, SD_BOTH);
290 closesocket (init_sockets[0].fd);
291#else
292 close (init_sockets[0].fd); 229 close (init_sockets[0].fd);
293#endif /* win32 */
294 exit (-1); 230 exit (-1);
295 } 231 }
232
296 init_sockets[0].status = Ns_Add; 233 init_sockets[0].status = Ns_Add;
297 read_client_images (); 234 read_client_images ();
298} 235}
299 236
300 237
… …
319 * 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
320 * update the list 257 * update the list
321 */ 258 */
322 259
323void 260void
324free_newsocket (NewSocket * ns) 261free_newsocket (client_socket *ns)
325{ 262{
326#ifdef WIN32 /* ***win32: closesocket in windows style */
327 shutdown (ns->fd, SD_BOTH);
328 if (closesocket (ns->fd))
329 {
330#else
331 if (close (ns->fd)) 263 close (ns->fd);
332 {
333#endif /* win32 */
334 264
335#ifdef ESRV_DEBUG
336 LOG (llevDebug, "Error closing socket %d\n", ns->fd);
337#endif
338 }
339 if (ns->stats.range) 265 if (ns->stats.range)
340 free (ns->stats.range); 266 free (ns->stats.range);
267
341 if (ns->stats.title) 268 if (ns->stats.title)
342 free (ns->stats.title); 269 free (ns->stats.title);
343 if (ns->comment) 270
344 free (ns->comment);
345 free (ns->host); 271 free (ns->host);
346 free (ns->inbuf.buf);
347} 272}
348 273
349/** Sends the 'goodbye' command to the player, and closes connection. */ 274/** Sends the 'goodbye' command to the player, and closes connection. */
350void 275void
351final_free_player (player *pl) 276final_free_player (player *pl)
352{ 277{
353 cs_write_string (&pl->socket, "goodbye", 8); 278 pl->socket.send_packet ("goodbye");
354 free_newsocket (&pl->socket); 279 free_newsocket (&pl->socket);
355 free_player (pl); 280 free_player (pl);
356} 281}
282

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