[ViewVC] Diff of: cvs/deliantra/server/socket/loop.C

Comparing deliantra/server/socket/loop.C (file contents):
Revision 1.10 by root, Wed Dec 13 02:55:51 2006 UTC vs.
Revision 1.83 by root, Tue Nov 3 23:44:21 2009 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
4	Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 1992 Frank Tore Johansen	5	*
6		6	* Deliantra is free software: you can redistribute it and/or modify it under
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	7	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	8	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	9	* option) any later version.
11		10	*
12	This program is distributed in the hope that it will be useful,	11	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	14	* GNU General Public License for more details.
16		15	*
17	You should have received a copy of the GNU General Public License	16	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	17	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	18	* <http://www.gnu.org/licenses/>.
20		19	*
21	The author can be reached via e-mail to <crossfire@schmorp.de>	20	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	21	*/
23		22
24	/**	23	/**
25	* \file	24	* \file
26	* Main client/server loops.	25	* Main client/server loops.
27	*	26	*
28	* \date 2003-12-02	27	* \date 2003-12-02
29	*	28	*
30	* loop.c mainly deals with initialization and higher level socket	29	* loop.c mainly deals with initialization and higher level socket
31	* maintenance (checking for lost connections and if data has arrived.)	30	* maintanance (checking for lost connections and if data has arrived.)
32	* The reading of data is handled in ericserver.c
33	*/	31	*/
34
35		32
36	#include <global.h>	33	#include <global.h>
37	#include <sproto.h>	34	#include <sproto.h>
38	#include <sockproto.h>	35	#include <sockproto.h>
39		36
41	#include <sys/time.h>	38	#include <sys/time.h>
42	#include <sys/socket.h>	39	#include <sys/socket.h>
43	#include <netinet/in.h>	40	#include <netinet/in.h>
44	#include <netdb.h>	41	#include <netdb.h>
45		42
46	#ifdef HAVE_UNISTD_H
47	# include <unistd.h>	43	#include <unistd.h>
48	#endif
49
50	#ifdef HAVE_ARPA_INET_H
51	# include <arpa/inet.h>	44	#include <arpa/inet.h>
52	#endif
53		45
54	#include <loader.h>	46	#include <loader.h>
55	#include <newserver.h>
56		47
57	/*****************************************************************************	48	#define BG_SCRUB_RATE 4 // how often to send a face in the background
58	* Start of command dispatch area.
59	* The commands here are protocol commands.
60	****************************************************************************/
61		49
62	/* Either keep this near the start or end of the file so it is	50	#define MAX_QUEUE_DEPTH 50
63	* at least reasonablye easy to find.	51	#define MAX_QUEUE_BACKLOG 3.
64	* There are really 2 commands - those which are sent/received
65	* before player joins, and those happen after the player has joined.
66	* As such, we have function types that might be called, so
67	* we end up having 2 tables.
68	*/
69		52
70	typedef void (func_uint8_int_ns) (char , int, NewSocket *);
71
72	struct NsCmdMapping
73	{
74	const char *cmdname;
75	func_uint8_int_ns cmdproc;
76	};
77
78	typedef void (func_uint8_int_pl) (char , int, player *);
79	struct PlCmdMapping
80	{
81	const char *cmdname;
82	func_uint8_int_pl cmdproc;
83	uint8 flag;
84	};
85
86	/**
87	* Dispatch table for the server.
88	*
89	* CmdMapping is the dispatch table for the server, used in HandleClient,
90	* which gets called when the client has input. All commands called here
91	* use the same parameter form (char* data, int len, int clientnum.
92	* We do implicit casts, because the data that is being passed is
93	* unsigned (pretty much needs to be for binary data), however, most
94	* of these treat it only as strings, so it makes things easier
95	* to cast it here instead of a bunch of times in the function itself.
96	* flag is 1 if the player must be in the playing state to issue the
97	* command, 0 if they can issue it at any time.
98	*/
99	static struct PlCmdMapping plcommands[] = {
100	{"examine", ExamineCmd, 1},
101	{"apply", ApplyCmd, 1},
102	{"move", MoveCmd, 1},
103	{"reply", ReplyCmd, 0},
104	{"command", PlayerCmd, 1},
105	{"ncom", (func_uint8_int_pl) NewPlayerCmd, 1},
106	{"lookat", LookAt, 1},
107	{"lock", (func_uint8_int_pl) LockItem, 1},
108	{"mark", (func_uint8_int_pl) MarkItem, 1},
109	{"mapredraw", MapRedrawCmd, 0}, /* Added: phil */
110	{"mapinfo", MapInfoCmd, 2}, /* CF+ */
111	{"ext", ExtCmd, 2}, /* CF+ */
112	{NULL, NULL, 0} /* terminator */
113	};
114
115	/** Face-related commands */
116	static struct NsCmdMapping nscommands[] = {
117	{"addme", AddMeCmd},
118	{"askface", SendFaceCmd}, /* Added: phil */
119	{"requestinfo", RequestInfo},
120	{"setfacemode", SetFaceMode},
121	{"setsound", SetSound},
122	{"setup", SetUp},
123	{"version", VersionCmd},
124	{"toggleextendedinfos", ToggleExtendedInfos}, /Added: tchize /
125	{"toggleextendedtext", ToggleExtendedText}, /Added: tchize /
126	{"asksmooth", AskSmooth}, /Added: tchize (smoothing technologies) /
127	{NULL, NULL} /* terminator (I, II & III) */
128	};
129
130	/**
131	* RequestInfo is sort of a meta command. There is some specific
132	* request of information, but we call other functions to provide
133	* that information.
134	*/
135	void	53	void
136	RequestInfo (char buf, int len, NewSocket ns)	54	client::reset_state ()
137	{	55	{
138	char params = NULL, cp;	56	if (!pl)
		57	return;
139		58
140	/* No match */	59	pl->run_on = 0;
141	char bigbuf[MAX_BUF];	60	pl->fire_on = 0;
142	int slen;	61	}
143		62
144	/* Set up replyinfo before we modify any of the buffers - this is used	63	void
145	* if we don't find a match.	64	client::queue_command (packet_type handler, char data, int datalen)
146	*/	65	{
147	strcpy (bigbuf, "replyinfo ");	66	tstamp stamp = NOW;
148	slen = strlen (bigbuf);
149	safe_strcat (bigbuf, buf, &slen, MAX_BUF);
150		67
151	/* find the first space, make it null, and update the	68	if (cmd_queue.size () >= MAX_QUEUE_DEPTH)
152	* params pointer.
153	*/
154	for (cp = buf; *cp != '\0'; cp++)
155	if (*cp == ' ')
156	{	69	{
157	*cp = '\0';	70	//TODO: just disconnect here?
158	params = cp + 1;	71	reset_state ();
159	break;	72	send_packet_printf ("drawinfo %d command queue overflow, ignoring.", NDI_RED);
160	}	73	}
161
162	if (!strcmp (buf, "image_info"))
163	send_image_info (ns, params);
164	else if (!strcmp (buf, "image_sums"))
165	send_image_sums (ns, params);
166	else if (!strcmp (buf, "skill_info"))
167	send_skill_info (ns, params);
168	else if (!strcmp (buf, "spell_paths"))
169	send_spell_paths (ns, params);
170	else	74	else
171	Write_String_To_Socket (ns, bigbuf, len);	75	{
172	}	76	cmd_queue.resize (cmd_queue.size () + 1);
173		77	command &cmd = cmd_queue.back ();
174	/**	78	cmd.stamp = stamp;
175	* Handle client input.	79	cmd.handler = handler;
176	*	80	cmd.data = salloc<char> (datalen + 1, data);
177	* HandleClient is actually not named really well - we only get here once	81	cmd.datalen = datalen;
178	* there is input, so we don't do exception or other stuff here.
179	* sock is the output socket information. pl is the player associated
180	* with this socket, null if no player (one of the init_sockets for just
181	* starting a connection)
182	*/
183
184	void
185	HandleClient (NewSocket * ns, player *pl)
186	{
187	int len = 0, i, cnt;
188	char *data;
189
190	/* Loop through this - maybe we have several complete packets here. */
191	// limit to a few commands only, though, as to not monopolise the server
192	for (cnt = 16; cnt--;)
193	{	82	}
194	/* If it is a player, and they don't have any speed left, we	83	}
195	* return, and will read in the data when they do have time.	84
196	*/	85	bool
197	if (pl && pl->state == ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0)	86	client::handle_command ()
		87	{
		88	if (!cmd_queue.empty ()
		89	&& state == ST_PLAYING
		90	&& pl->ob->speed_left > 0.f)
		91	{
		92	command &cmd = cmd_queue.front ();
		93
		94	if (cmd.stamp + MAX_QUEUE_BACKLOG < NOW)
198	{	95	{
199	return;	96	reset_state (); // the command might actually reset some movement state etc.
200	}
201		97
202	i = SockList_ReadPacket (ns->fd, &ns->inbuf, MAXSOCKBUF - 1);	98	if (pl)
203		99	pl->failmsg (
204	if (i < 0)	100	"Cannot keep up with your commands, ignoring them! "
205	{	101	"H<Your character cannot keep up with the instructions you give G<him\|her>. "
206	#ifdef ESRV_DEBUG	102	"Try issuing commands slower, or, if G<he\|she> is incapacitated (paralyzed and so on), "
207	LOG (llevDebug, "HandleClient: Read error on connection player %s\n", (pl ? pl->ob->name : "None"));	103	"wait till your character can act again.\n\nIf G<he\|she> is permanently stuck, then "
208	#endif	104	"try the B<suicide> command (or use B<chat> to ask somebody to B<invite> you out).>"
209	/* Caller will take care of cleaning this up */	105	);
210	ns->status = Ns_Dead;
211	return;
212	}
213	/* Still dont have a full packet */
214	if (i == 0)
215	return;
216
217	// //D//TODO//temporarily log long commands
218	// if (ns->inbuf.len >= 40 && pl && pl->ob)
219	// LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2);
220
221	/* First, break out beginning word. There are at least
222	* a few commands that do not have any paremeters. If
223	* we get such a command, don't worry about trying
224	* to break it up.
225	*/
226	data = (char ) strchr ((char ) ns->inbuf.buf + 2, ' ');
227	if (data)
228	{
229	*data = '\0';
230	data++;
231	len = ns->inbuf.len - (data - (char *) ns->inbuf.buf);
232	}	106	}
233	else	107	else
234	len = 0;	108	execute (cmd.handler, cmd.data, cmd.datalen);
235		109
236	ns->inbuf.buf[ns->inbuf.len] = '\0'; /* Terminate buffer - useful for string data */	110	sfree<char> (cmd.data, cmd.datalen + 1);
237	for (i = 0; nscommands[i].cmdname != NULL; i++)	111	cmd_queue.pop_front ();
		112	return true;
		113	}
		114	else
		115	return false;
		116	}
		117
		118	void
		119	client::tick ()
		120	{
		121	if (!pl \|\| destroyed ())
		122	return;
		123
		124	pl->dirty = true;
		125
		126	/* Update the players stats once per tick. More efficient than
		127	* sending them whenever they change, and probably just as useful
		128	*/
		129	esrv_update_stats (pl);
		130
		131	sint32 weight = pl->ob->client_weight ();
		132
		133	if (last_weight != weight)
		134	{
		135	pl->ob->update_stats ();
		136	esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob);
		137	}
		138
		139	draw_client_map (pl);
		140
		141	if (update_look)
		142	esrv_draw_look (pl);
		143
		144	mapinfo_queue_run ();
		145
		146	#if HAVE_TCP_INFO
		147	// check time of last ack, and, if too old, kill connection
		148	socklen_t len = sizeof (tcpi);
		149
		150	if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi))
		151	{
		152	if (tcpi.tcpi_snd_mss)
		153	mss = tcpi.tcpi_snd_mss;
		154
		155	#if 0
		156	fprintf (stderr, "uack %d ack %d lost %d ret %d fack %d sst %d cwnd %d mss %d pmtu %d advmss %d EXC %d\n",
		157	tcpi.tcpi_unacked,
		158	tcpi.tcpi_sacked,
		159	tcpi.tcpi_lost,
		160	tcpi.tcpi_retrans,
		161	tcpi.tcpi_fackets,
		162	tcpi.tcpi_snd_ssthresh, tcpi.tcpi_snd_cwnd, tcpi.tcpi_advmss, tcpi.tcpi_pmtu, tcpi.tcpi_advmss,
		163
		164	tcpi.tcpi_snd_cwnd - (tcpi.tcpi_unacked - tcpi.tcpi_sacked));
		165	#endif
		166
		167	// fast-time-out a player by checking for missing acks
		168	// do this only when player is active
		169	if (pl && pl->active
		170	&& tcpi.tcpi_last_ack_recv > int (socket_timeout * 1000))
238	{	171	{
239	if (strcmp ((char *) ns->inbuf.buf + 2, nscommands[i].cmdname) == 0)	172	send_msg (NDI_RED \| NDI_REPLY, "connection-timeout", "safety disconnect due to tcp/ip timeout (no packets received)");
		173	write_outputbuffer ();
		174
		175	LOG (llevDebug, "connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd,
		176	(unsigned)tcpi.tcpi_last_ack_recv, (unsigned)tcpi.tcpi_last_data_sent, (unsigned)tcpi.tcpi_unacked);
		177	destroy ();
		178	}
		179	}
		180	#endif
		181
		182	rate_avail = min (max_rate + mss, rate_avail + max_rate);
		183
		184	int max_send = rate_avail;
		185
		186	#if HAVE_TCP_INFO
		187	// further restrict the available bandwidth by the excess bandwidth available
		188	max_send = min (max_send, (tcpi.tcpi_snd_cwnd - tcpi.tcpi_unacked + tcpi.tcpi_sacked) * mss);
		189	#endif
		190
		191	// round to next-lowest mss
		192	max_send -= max_send % mss;
		193
		194	if (ixface.empty ())
		195	{
		196	// regularly send a new face when queue is empty
		197	if (bg_scrub && !--bg_scrub)
		198	while (scrub_idx < faces.size () - 1)
		199	{
		200	++scrub_idx;
		201
		202	if (!faces_sent [scrub_idx])
		203	if (faceinfo *f = face_info (scrub_idx))
		204	if (f->type == FT_FACE \|\| f->type == FT_SOUND) // only scrub faces and sounds for now
		205	{
		206	send_face (scrub_idx, -120);
		207	flush_fx ();
		208
		209	bg_scrub = 1; // send up to one fx per tick, unless an image was requested
		210	break;
		211	}
		212	}
		213	}
		214	else
		215	{
		216	bg_scrub = BG_SCRUB_RATE;
		217
		218	for (;;)
		219	{
		220	int avail = max_send - outputbuffer_len ();
		221
		222	if (avail <= 0)
		223	break;
		224
		225	ixsend &ix = ixface.back ();
		226
		227	if (facedata *d = face_data (ix.idx, faceset))
240	{	228	{
241	nscommands[i].cmdproc ((char *) data, len, ns);	229	// estimate the packet header overhead "ix " + idx + (new)ofs
242	ns->inbuf.len = 0;	230	int pktlen = 3 + ber32::encoded_size (ix.idx) + ber32::encoded_size (ix.ofs);
243	return; //D// not doing this causes random memory corruption	231	int chunk = min (avail - packet::hdrlen, MAXSOCKBUF) - pktlen;
244	goto next_packet;	232
		233	// only transfer something if the amount of data transferred
		234	// has a healthy relation to the header overhead
		235	if (chunk < 64)
		236	break;
		237
		238	chunk = min (chunk, (int)ix.ofs);
		239
		240	ix.ofs -= chunk;
		241
		242	//fprintf (stderr, "i%dx %6d: %5d+%4d (%4d)\n", fxix, ix.idx,ix.ofs,chunk, ixface.size());//D
		243
		244	packet sl ("ix");
		245
		246	sl << ber32 (ix.idx)
		247	<< ber32 (ix.ofs)
		248	<< data (d->data.data () + ix.ofs, chunk);
		249
		250	send_packet (sl);
		251	}
		252	else
		253	ix.ofs = 0;
		254
		255	if (!ix.ofs)
		256	{
		257	ixface.pop_back ();
		258
		259	if (ixface.empty ())
		260	break;
245	}	261	}
246	}	262	}
247	/* Player must be in the playing state or the flag on the
248	* the command must be zero for the user to use the command -
249	* otherwise, a player cam save, be in the play_again state, and
250	* the map they were on gets swapped out, yet things that try to look
251	* at the map causes a crash. If the command is valid, but
252	* one they can't use, we still swallow it up.
253	*/
254	if (pl)
255	for (i = 0; plcommands[i].cmdname != NULL; i++)
256	{
257	if (strcmp ((char *) ns->inbuf.buf + 2, plcommands[i].cmdname) == 0)
258	{
259	if (pl->state == ST_PLAYING \|\| !(plcommands[i].flag & 1))
260	plcommands[i].cmdproc ((char *) data, len, pl);
261	ns->inbuf.len = 0;
262	//D// not doing this causes random memory corruption
263	if (plcommands[i].flag & 2)
264	goto next_packet;
265	return;
266	}
267	}
268	/* If we get here, we didn't find a valid command. Logging
269	* this might be questionable, because a broken client/malicious
270	* user could certainly send a whole bunch of invalid commands.
271	*/
272	LOG (llevDebug, "Bad command from client (%s)\n", ns->inbuf.buf + 2);
273	next_packet:
274	;
275	}
276	}
277
278
279	/*****************************************************************************
280	*
281	* Low level socket looping - select calls and watchdog udp packet
282	* sending.
283	*
284	******************************************************************************/
285
286	#ifdef WATCHDOG
287
288	/**
289	* Tell watchdog that we are still alive
290	*
291	* I put the function here since we should hopefully already be getting
292	* all the needed include files for socket support
293	*/
294
295	void
296	watchdog (void)
297	{
298	static int fd = -1;
299	static struct sockaddr_in insock;
300
301	if (fd == -1)
302	{
303	struct protoent *protoent;
304
305	if ((protoent = getprotobyname ("udp")) == NULL \|\| (fd = socket (PF_INET, SOCK_DGRAM, protoent->p_proto)) == -1)
306	{
307	return;
308	}
309	insock.sin_family = AF_INET;
310	insock.sin_port = htons ((unsigned short) 13325);
311	insock.sin_addr.s_addr = inet_addr ("127.0.0.1");
312	}
313	sendto (fd, (void ) &fd, 1, 0, (struct sockaddr ) &insock, sizeof (insock));
314	}
315	#endif
316
317	void
318	flush_sockets (void)
319	{
320	player *pl;
321
322	for (pl = first_player; pl != NULL; pl = pl->next)
323	if (pl->socket.status != Ns_Dead)
324	Socket_Flush (&pl->socket);
325	}
326
327	/**
328	* This checks the sockets for input, does the right thing.
329	*
330	* A bit of this code is grabbed out of socket.c
331	* There are 2 lists we need to look through - init_sockets is a list
332	*
333	*/
334	void
335	doeric_server (void)
336	{
337	int i, pollret;
338	fd_set tmp_read, tmp_write;
339	struct sockaddr_in addr;
340	socklen_t addrlen = sizeof (struct sockaddr);
341	player pl, next;
342
343	#ifdef CS_LOGSTATS
344	if ((time (NULL) - cst_lst.time_start) >= CS_LOGTIME)
345	write_cs_stats ();
346	#endif
347
348	FD_ZERO (&tmp_read);
349	FD_ZERO (&tmp_write);
350
351	for (i = 0; i < socket_info.allocated_sockets; i++)
352	{
353	if (init_sockets[i].status == Ns_Dead)
354	{
355	free_newsocket (&init_sockets[i]);
356	init_sockets[i].status = Ns_Avail;
357	socket_info.nconns--;
358	}
359	else if (init_sockets[i].status != Ns_Avail)
360	{
361	FD_SET (init_sockets[i].fd, &tmp_read);
362	FD_SET (init_sockets[i].fd, &tmp_write);
363	}
364	}
365
366	/* Go through the players. Let the loop set the next pl value,
367	* since we may remove some
368	*/
369	for (pl = first_player; pl != NULL;)
370	{
371	if (pl->socket.status == Ns_Dead)
372	{
373	player *npl = pl->next;
374
375	save_player (pl->ob, 0);
376
377	if (!QUERY_FLAG (pl->ob, FLAG_REMOVED))
378	{
379	terminate_all_pets (pl->ob);
380	pl->ob->remove ();
381	}
382
383	leave (pl, 1);
384	final_free_player (pl);
385	pl = npl;
386	}
387	else
388	{
389	FD_SET ((uint32) pl->socket.fd, &tmp_read);
390	FD_SET ((uint32) pl->socket.fd, &tmp_write);
391	pl = pl->next;
392	}
393	}
394
395	/* Reset timeout each time, since some OS's will change the values on
396	* the return from select.
397	*/
398	socket_info.timeout.tv_sec = 0;
399	socket_info.timeout.tv_usec = 0;
400
401	pollret = select (socket_info.max_filedescriptor,
402	&tmp_read, &tmp_write, 0,
403	&socket_info.timeout);
404
405	if (pollret == -1)
406	{
407	LOG (llevError, "select failed: %s\n", strerror (errno));
408	return;
409	}
410
411	/* We need to do some of the processing below regardless */
412
413	/* if (!pollret) return;*/
414
415	/* Following adds a new connection */
416	if (pollret && FD_ISSET (init_sockets[0].fd, &tmp_read))
417	{
418	int newsocknum = 0;
419
420	#ifdef ESRV_DEBUG
421	LOG (llevDebug, "doeric_server: New Connection\n");
422	#endif
423	/* If this is the case, all sockets currently in used */
424	if (socket_info.allocated_sockets <= socket_info.nconns)
425	{
426	init_sockets = (NewSocket ) realloc (init_sockets, sizeof (NewSocket) (socket_info.nconns + 1));
427	if (!init_sockets)
428	fatal (OUT_OF_MEMORY);
429	newsocknum = socket_info.allocated_sockets;
430	socket_info.allocated_sockets++;
431	init_sockets[newsocknum].faces_sent_len = nrofpixmaps;
432	init_sockets[newsocknum].faces_sent = (uint8 ) malloc (nrofpixmaps sizeof (*init_sockets[newsocknum].faces_sent));
433	if (!init_sockets[newsocknum].faces_sent)
434	fatal (OUT_OF_MEMORY);
435	init_sockets[newsocknum].status = Ns_Avail;
436	}
437	else
438	{
439	int j;
440
441	for (j = 1; j < socket_info.allocated_sockets; j++)
442	if (init_sockets[j].status == Ns_Avail)
443	{
444	newsocknum = j;
445	break;
446	}
447	}
448
449	init_sockets[newsocknum].fd = accept (init_sockets[0].fd, (struct sockaddr *) &addr, &addrlen);
450
451	if (init_sockets[newsocknum].fd == -1)
452	LOG (llevError, "accept failed: %s\n", strerror (errno));
453	else
454	{
455	char buf[MAX_BUF];
456	long ip;
457	NewSocket *ns;
458
459	ns = &init_sockets[newsocknum];
460
461	ip = ntohl (addr.sin_addr.s_addr);
462	sprintf (buf, "%ld.%ld.%ld.%ld", (ip >> 24) & 255, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255);
463
464	if (checkbanned (NULL, buf))
465	{
466	LOG (llevInfo, "Banned host tried to connect: [%s]\n", buf);
467	close (init_sockets[newsocknum].fd);
468	init_sockets[newsocknum].fd = -1;
469	}
470	else
471	{
472	InitConnection (ns, buf);
473	socket_info.nconns++;
474	}
475	}
476	}
477
478	/* Check for any input on the sockets */
479	if (pollret)
480	for (i = 1; i < socket_info.allocated_sockets; i++)
481	{
482	if (init_sockets[i].status == Ns_Avail)
483	continue;
484
485	if (FD_ISSET (init_sockets[i].fd, &tmp_read))
486	HandleClient (&init_sockets[i], NULL);
487
488	if (FD_ISSET (init_sockets[i].fd, &tmp_write))
489	init_sockets[i].can_write = 1;
490	}	263	}
491		264
492	/* This does roughly the same thing, but for the players now */	265	rate_avail -= outputbuffer_len ();
493	for (pl = first_player; pl != NULL; pl = next)
494	{
495
496	next = pl->next;
497	if (pl->socket.status == Ns_Dead)
498	continue;
499
500	if (FD_ISSET (pl->socket.fd, &tmp_write))
501	{
502	if (!pl->socket.can_write)
503	{
504	#if 0
505	LOG (llevDebug, "Player %s socket now write enabled\n", pl->ob->name);
506	#endif
507	pl->socket.can_write = 1;
508	write_socket_buffer (&pl->socket);
509	}
510
511	/* if we get an error on the write_socket buffer, no reason to
512	* continue on this socket.
513	*/
514	if (pl->socket.status == Ns_Dead)
515	continue;
516	}
517	else
518	pl->socket.can_write = 0;
519
520	HandleClient (&pl->socket, pl);
521	/* If the player has left the game, then the socket status
522	* will be set to this be the leave function. We don't
523	* need to call leave again, as it has already been called
524	* once.
525	*/
526	if (pl->socket.status == Ns_Dead)
527	{
528	save_player (pl->ob, 0);
529
530	if (!QUERY_FLAG (pl->ob, FLAG_REMOVED))
531	{
532	terminate_all_pets (pl->ob);
533	pl->ob->remove ();
534	}
535
536	leave (pl, 1);
537	final_free_player (pl);
538	}
539	else
540	{
541	/* Update the players stats once per tick. More efficient than
542	* sending them whenever they change, and probably just as useful
543	*/
544	esrv_update_stats (pl);
545	if (pl->last_weight != -1 && pl->last_weight != WEIGHT (pl->ob))
546	{
547	esrv_update_item (UPD_WEIGHT, pl->ob, pl->ob);
548	if (pl->last_weight != WEIGHT (pl->ob))
549	LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n",
550	(unsigned long) pl->last_weight, WEIGHT (pl->ob));
551	}
552
553	/* draw_client_map does sanity checking that map is
554	* valid, so don't do it here.
555	*/
556	draw_client_map (pl->ob);
557	if (pl->socket.update_look)
558	esrv_draw_look (pl->ob);
559	}
560	}
561	}	266	}
562		267
		268	void
		269	client::flush_sockets (void)
		270	{
		271	for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i)
		272	(*i)->flush ();
		273	}
		274
		275	void
		276	client::clock (void)
		277	{
		278	for (sockvec::iterator i = clients.begin (); i != clients.end (); ++i)
		279	(*i)->tick ();
		280
		281	// give them all the same chances
		282	flush_sockets ();
		283
		284	//TODO: should not be done here, either
		285	for (unsigned i = 0; i < clients.size (); ++i)
		286	clients[i]->refcnt_chk ();
		287	}
		288

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Comparing deliantra/server/socket/loop.C (file contents): Revision 1.10 by root, Wed Dec 13 02:55:51 2006 UTC vs. Revision 1.83 by root, Tue Nov 3 23:44:21 2009 UTC

Diff Legend

Comparing deliantra/server/socket/loop.C (file contents):
Revision 1.10 by root, Wed Dec 13 02:55:51 2006 UTC vs.
Revision 1.83 by root, Tue Nov 3 23:44:21 2009 UTC