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

Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.20 by root, Thu Dec 14 21:46:34 2006 UTC vs.
Revision 1.72 by root, Tue Oct 13 18:20:08 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 (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 1992 Frank Tore Johansen	5	* Copyright (©) 1992,2007 Frank Tore Johansen
5		6	*
6	This program is free software; you can redistribute it and/or modify	7	* Deliantra is free software: you can redistribute it and/or modify it under
7	it under the terms of the GNU General Public License as published by	8	* the terms of the Affero GNU General Public License as published by the
8	the Free Software Foundation; either version 2 of the License, or	9	* Free Software Foundation, either version 3 of the License, or (at your
9	(at your option) any later version.	10	* option) any later version.
10		11	*
11	This program is distributed in the hope that it will be useful,	12	* This program is distributed in the hope that it will be useful,
12	but WITHOUT ANY WARRANTY; without even the implied warranty of	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	GNU General Public License for more details.	15	* GNU General Public License for more details.
15		16	*
16	You should have received a copy of the GNU General Public License	17	* You should have received a copy of the Affero GNU General Public License
17	along with this program; if not, write to the Free Software	18	* and the GNU General Public License along with this program. If not, see
18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	* <http://www.gnu.org/licenses/>.
19
20	The author can be reached via e-mail to mark@pyramid.com
21	*/
22
23	/**
24	* \file
25	* Low-level socket-related functions.
26	*	20	*
27	* \date 2003-12-02	21	* The authors can be reached via e-mail to <support@deliantra.net>
28	*
29	* Contains some base functions that both the client and server
30	* can use. As such, depending what we are being compiled for will
31	* determine what we can include. the client is designed have
32	* CFCLIENT defined as part of its compile flags.
33	*/	22	*/
34		23
35	using namespace std;	24	using namespace std;
36		25
37	#include <global.h>	26	#include <global.h>
38	#include <newclient.h>
39	#include <sproto.h>	27	#include <sproto.h>
40	#include <cstdarg>	28	#include <cstdarg>
41		29
42	#ifdef __linux__	30	#if HAVE_TCP_INFO
43	# include <sys/types.h>	31	# include <sys/types.h>
44	# include <sys/socket.h>	32	# include <sys/socket.h>
45	# include <netinet/in.h>	33	# include <netinet/in.h>
46	# define TCP_HZ 1000 // sorry...
47	# include <netinet/tcp.h>	34	# include <netinet/tcp.h>
48	#endif	35	#endif
49		36
50	// use a really low timeout, as it doesn't cost any bandwidth, and you can	37	// force a packet when idle for more than this many seconds,
51	// easily die in 20 seconds...	38	// forcing an ack regularly.
52	#define SOCKET_TIMEOUT1 10	39	#define IDLE_PING 2.
53	#define SOCKET_TIMEOUT2 20
54		40
55	void	41	void
56	client_socket::flush ()	42	client::flush ()
57	{	43	{
58	#ifdef __linux__	44	if (destroyed ())
59	// check time of last ack, and, if too old, kill connection	45	return;
60	struct tcp_info tcpi;
61	socklen_t len = sizeof (tcpi);
62
63	if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi))
64	{
65	unsigned int diff = tcpi.tcpi_last_ack_recv - tcpi.tcpi_last_data_sent;
66
67	if (tcpi.tcpi_unacked && SOCKET_TIMEOUT1 * TCP_HZ < diff && diff < 0x80000000UL // ack delayed for 20s
68	&& SOCKET_TIMEOUT2 * TCP_HZ < tcpi.tcpi_last_data_sent) // no data sent for 10s
69	{
70	LOG (llevDebug, "Connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd,
71	(unsigned) tcpi.tcpi_last_ack_recv, (unsigned) tcpi.tcpi_last_data_sent, (unsigned) tcpi.tcpi_unacked);
72	status = Ns_Dead;
73	}
74	}
75	#endif
76		46
77	/**	47	/**
78	* Writes data to socket.	48	* Writes data to socket.
79	*	49	*
80	* When the socket is clear to write, and we have backlogged data, this	50	* When the socket is clear to write, and we have backlogged data, this
81	* is called to write it out.	51	* is called to write it out.
82	*/	52	*/
83		53
84	if (!outputbuffer.len \|\| socket_ev.poll () & PE_W)	54	// write a nop to the socket at least every IDLE_NOP seconds.
		55	if (!outputbuffer.len)
		56	{
		57	if (last_send + IDLE_PING <= NOW && pl && pl->active)
		58	{
		59	// this is a bit ugly, but map1/map1a seem to be the only
		60	// nop'able commands and they are quite small.
		61	packet sl (mapmode == Map1Cmd ? "map1" : "map1a");
		62	send_packet (sl);
		63	}
		64	else
		65	return;
		66	}
		67
		68	if (socket_ev.poll () & EV_WRITE)
85	return;	69	return;
86		70
		71	last_send = NOW;
87	write_outputbuffer ();	72	write_outputbuffer ();
88	}	73	}
89		74
90	void	75	void
91	client_socket::write_outputbuffer ()	76	client::write_outputbuffer ()
92	{	77	{
93	while (outputbuffer.len)	78	while (outputbuffer.len)
94	{	79	{
95	int res = write (fd, outputbuffer.data + outputbuffer.start,	80	int res = write (fd, outputbuffer.data + outputbuffer.start,
96	min (outputbuffer.len, SOCKETBUFSIZE - outputbuffer.start));	81	min (outputbuffer.len, SOCKETBUFSIZE - outputbuffer.start));
101	/* wrap back to start of buffer */	86	/* wrap back to start of buffer */
102	if (outputbuffer.start == SOCKETBUFSIZE)	87	if (outputbuffer.start == SOCKETBUFSIZE)
103	outputbuffer.start = 0;	88	outputbuffer.start = 0;
104		89
105	outputbuffer.len -= res;	90	outputbuffer.len -= res;
106	#ifdef CS_LOGSTATS
107	cst_tot.obytes += res;
108	cst_lst.obytes += res;
109	#endif
110	}	91	}
111	else if (res == 0)	92	else if (res == 0)
112	{	93	{
113	LOG (llevError, "socket write failed, connection closed.\n");	94	LOG (llevError, "socket write failed, connection closed.\n");
114	status = Ns_Dead;	95	destroy ();
115	return;	96	return;
116	}	97	}
117	else if (errno == EINTR)	98	else if (errno == EINTR)
118	{	99	{
119	// just retry	100	// just retry
120	}	101	}
121	else if (errno == EAGAIN)	102	else if (errno == EAGAIN)
122	{	103	{
123	// delay till ready	104	// delay till ready
124	socket_ev.poll (socket_ev.poll () \| PE_W);	105	socket_ev.poll (socket_ev.poll () \| EV_WRITE);
125	socket_ev.start ();	106	socket_ev.start ();
126	return;	107	return;
127	}	108	}
128	else	109	else
129	{	110	{
130	LOG (llevError, "socket write failed: %s\n", strerror (errno));	111	LOG (llevError, "socket write failed: %s\n", strerror (errno));
131	status = Ns_Dead;	112	destroy ();
132	return;	113	return;
133	}	114	}
134	}	115	}
135		116
136	socket_ev.poll (socket_ev.poll () & ~PE_W);	117	socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
137	}	118	}
138		119
		120	/******************************************************************************
		121	*
		122	* Start of read routines.
		123	*
		124	******************************************************************************/
		125
		126	int
		127	client::next_packet ()
		128	{
		129	if (inbuf_len >= 2)
		130	{
		131	int pkt_len = (inbuf [0] << 8) \| inbuf [1];
		132
		133	if (inbuf_len >= 2 + pkt_len)
		134	return 2 + pkt_len;
		135
		136	if (inbuf_len == sizeof (inbuf))
		137	{
		138	send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED \| NDI_REPLY);
		139	destroy ();
		140	return -1;
		141	}
		142	}
		143
		144	return 0;
		145	}
		146
		147	void
		148	client::skip_packet (int len)
		149	{
		150	inbuf_len -= len;
		151	memmove (inbuf, inbuf + len, inbuf_len);
		152	}
		153
139	/***********************************************************************	154	/*****************************************************************************
140	*	155	* Start of command dispatch area.
141	* packet functions/utilities	156	* The commands here are protocol commands.
142	*
143	**********************************************************************/	157	****************************************************************************/
144		158
145	packet &packet::operator <<(const data &v)	159	// SocketCommand, PlayingCommand, should not exist with those ugly casts
		160	#define SC(cb) (void )static_cast<void ()(char , int, client )>(cb),
		161	#define PC(cb) (void )static_cast<void ()(char , int, player )>(cb), PF_PLAYER \|
		162
		163	/**
		164	* Dispatch table for the server.
		165	*/
		166	static struct packet_type packets[] = {
		167	{"ncom", PC(NewPlayerCmd) PF_PLAYING \| PF_COMMAND6 },
		168	{"command", PC(PlayerCmd) PF_PLAYING \| PF_COMMAND0 },
		169
		170	{"examine", PC(ExamineCmd) PF_PLAYING },
		171	{"ex", PC(ExCmd) PF_PLAYING },
		172	{"apply", PC(ApplyCmd) PF_PLAYING },
		173	{"lookat", PC(LookAt) PF_PLAYING },
		174	{"lock", PC(LockItem) PF_PLAYING },
		175	{"mark", PC(MarkItem) PF_PLAYING },
		176	{"move", PC(MoveCmd) PF_PLAYING },
		177	{"ext", PC(ExtCmd) 0 }, // CF+
		178	{"mapredraw", PC(MapRedrawCmd) 0 },
		179	{"mapinfo", PC(MapInfoCmd) 0 }, // CF+
		180
		181	{"reply", SC(ReplyCmd) 0 },
		182	{"exti", SC(ExtiCmd) 0 }, // CF+
		183	{"addme", SC(AddMeCmd) 0 },
		184	{"askface", SC(AskFaceCmd) 0 },
		185	{"requestinfo", SC(RequestInfo) 0 },
		186	{"setsound", SC(SetSound) 0 },
		187	{"setup", SC(SetUp) 0 },
		188	{"version", SC(VersionCmd) 0 },
		189	{"toggleextendedtext", SC(ToggleExtendedText) 0 }, /Added: tchize /
		190	};
		191
		192	bool
		193	client::may_execute (const packet_type *pkt) const
146	{	194	{
147	if (room () < v.len)	195	return (!(pkt->flags & PF_PLAYER) \|\| pl)
148	reset ();	196	&& (!(pkt->flags & PF_PLAYING) \|\| state == ST_PLAYING);
		197	}
		198
		199	// HACK: some commands currently should be executed
		200	// even when the player is frozen. this hack detects
		201	// those commands. it should be folded into may_execute,
		202	// but kept seperate to emphasise the hack aspect, i.e.
		203	// do it better, then remove.
		204	static bool
		205	always_immediate (const client ns, const packet_type pkt, const char *data, int len)
		206	{
		207	if (!(pkt->flags & (PF_COMMAND0 \| PF_COMMAND6)))
		208	return false;
		209
		210	if (!ns->pl \|\| !ns->pl->ob \|\| !ns->pl->ob->map)
		211	return false;
		212
		213	if (pkt->flags & PF_COMMAND6)
		214	{
		215	data += 6;
		216	len -= 6;
		217	}
		218
		219	if (len > 4 && data [ 3] == ' ' && !strncmp (data, "say " , 4)) return true;
		220	if (len > 5 && data [ 4] == ' ' && !strncmp (data, "chat " , 5)) return true;
		221	if (len > 6 && data [ 5] == ' ' && !strncmp (data, "shout " , 6)) return true;
		222	if (len > 8 && data [ 7] == ' ' && !strncmp (data, "suicide " , 8)) return true;
		223	if (len > 18 && data [17] == ' ' && !strncmp (data, "accept-invitation ", 18)) return true;
		224
		225	if (len == 7 && !strcmp (data, "suicide")) return true;
		226
		227	return false;
		228	}
		229
		230	void
		231	client::execute (const packet_type pkt, char data, int datalen)
		232	{
		233	if (may_execute (pkt) \|\| always_immediate (this, pkt, data, datalen))
		234	{
		235	//TODO: only one format
		236	if (pkt->flags & PF_PLAYER)
		237	((void ()(char , int, player ))pkt->cb)((char )data, datalen, pl);
		238	else
		239	((void ()(char , int, client ))pkt->cb)((char )data, datalen, this);
		240	}
149	else	241	else
		242	send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED \| NDI_REPLY, pkt->name);
		243	}
		244
		245	bool
		246	client::handle_packet ()
		247	{
		248	int pkt_len = next_packet ();
		249
		250	if (!pkt_len)
		251	return false;
		252	else if (pkt_len < 0)
		253	{
		254	LOG (llevError, "read error on player %s\n",
		255	pl && pl->ob ? &pl->ob->name : "[anonymous]");
		256	destroy ();
		257	return false;
150	{	258	}
151	if (v.len)	259
		260	uint8_t save_byte = inbuf [pkt_len]; // rather ugly
		261	inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */
		262
		263	/* First, break out beginning word. There are at least
		264	* a few commands that do not have any paremeters. If
		265	* we get such a command, don't worry about trying
		266	* to break it up.
		267	*/
		268	int datalen;
		269	char data = strchr ((char )inbuf + 2, ' ');
		270
		271	if (data)
		272	{
		273	*data++ = 0;
		274	datalen = pkt_len - (data - (char *)inbuf);
		275	}
		276	else
		277	{
		278	data = (char *)inbuf + 2; // better read garbage than segfault
		279	datalen = 0;
		280	}
		281
		282	for (packet_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt)
		283	if (!strcmp ((char *)inbuf + 2, pkt->name))
152	{	284	{
153	memcpy (cur, v.ptr, v.len);	285	if (pkt->flags & PF_PLAYER && !always_immediate (this, pkt, data, datalen))
154	cur += v.len;	286	queue_command (pkt, data, datalen);
		287	else
		288	execute (pkt, data, datalen);
		289
		290	goto next_packet;
155	}	291	}
		292
		293	// If we get here, we didn't find a valid command.
		294	send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED \| NDI_REPLY, (char *)inbuf + 2);
		295
		296	next_packet:
		297	inbuf [pkt_len] = save_byte; // rather ugly
		298	skip_packet (pkt_len);
		299
		300	// input buffer has space again
		301	socket_ev.poll (socket_ev.poll () \| EV_READ);
		302
		303	return true;
		304	}
		305
		306	// callback called when socket is either readable or writable
		307	void
		308	client::socket_cb (iow &w, int revents)
		309	{
		310	//TODO remove when we have better socket cleanup logic
		311	if (destroyed ())
156	}	312	{
157		313	socket_ev.poll (0);
158	return *this;	314	return;
159	}
160
161	packet &packet::operator <<(const data8 &v)
162	{
163	unsigned int len = min (v.len, 0x00FF);
164	return *this << uint8 (len) << data (v.ptr, len);
165	}
166
167	packet &packet::operator <<(const data16 &v)
168	{
169	unsigned int len = min (v.len, 0xFFFF);
170	return *this << uint16 (len) << data (v.ptr, len);
171	}
172
173	packet &packet::operator <<(const char *v)
174	{
175	return *this << data (v, strlen (v ? v : 0));
176	}
177
178	void
179	packet::printf (const char *format, ...)
180	{
181	int size = room ();
182
183	va_list ap;
184	va_start (ap, format);
185	int len = vsnprintf ((char *)cur, size, format, ap);
186	va_end (ap);
187
188	if (len >= size)
189	return reset ();
190
191	cur += len;
192	}
193
194	/******************************************************************************
195	*
196	* Start of read routines.
197	*
198	******************************************************************************/
199
200	int
201	client_socket::read_packet ()
202	{
203	for (;;)
204	{	315	}
205	if (inbuf_len >= 2)
206	{
207	unsigned int pkt_len = (inbuf [0] << 8) \| inbuf [1];
208		316
209	if (inbuf_len >= 2 + pkt_len)	317	if (revents & EV_WRITE)
210	return pkt_len + 2;	318	{
211	}	319	write_outputbuffer ();
		320
		321	if (!outputbuffer.len)
		322	socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
		323	}
		324
		325	if (revents & EV_READ)
		326	{
		327	//TODO: rate-limit tcp connection in better ways, important
212		328
213	int amount = sizeof (inbuf) - inbuf_len;	329	int amount = sizeof (inbuf) - inbuf_len;
214		330
215	if (amount <= 0)	331	if (!amount)
216	{	332	{
217	LOG (llevError, "packet too large");//TODO	333	// input buffer full
		334	socket_ev.poll (socket_ev.poll () & ~EV_READ);
218	return -1;	335	return;
219	}	336	}
220		337
221	amount = read (fd, inbuf + inbuf_len, amount);	338	amount = read (fd, inbuf + inbuf_len, amount);
222		339
223	if (!amount)	340	if (!amount)
224	{	341	{
225	status = Ns_Dead;	342	destroy ();
226	return -1;	343	return;
227	}	344	}
228	else if (amount < 0)	345	else if (amount < 0)
229	{	346	{
230	if (errno != EAGAIN && errno != EINTR)	347	if (errno != EAGAIN && errno != EINTR)
231	{	348	{
232	LOG (llevError, "read error: %s\n", strerror (errno));	349	LOG (llevError, "read error: %s\n", strerror (errno));
		350	destroy ();
233	return -1;	351	return;
234	}	352	}
235		353
236	return 0;	354	// should not be here, normally
		355	}
		356	else
237	}	357	{
238
239	inbuf_len += amount;	358	inbuf_len += amount;
240		359
241	cst_tot.ibytes += amount;	360	if (handle_packet ())
242	cst_lst.ibytes += amount;	361	{
243	}	362	while (handle_packet ())
244	}	363	;
245		364
246	void	365	flush ();
247	client_socket::skip_packet (int len)	366	}
248	{	367	}
249	inbuf_len -= len;	368	}
250	memmove (inbuf, inbuf + len, inbuf_len);
251	}	369	}
252		370
253	/*******************************************************************************	371	/*******************************************************************************
254	*	372	*
255	* Start of write related routines.	373	* Start of write related routines.
…		…
261	*	379	*
262	* ns is the socket we are adding the data to, buf is the start of the	380	* ns is the socket we are adding the data to, buf is the start of the
263	* data, and len is the number of bytes to add.	381	* data, and len is the number of bytes to add.
264	*/	382	*/
265	void	383	void
266	client_socket::send (void *buf_, int len)	384	client::send (void *buf_, int len)
267	{	385	{
268	char buf = (char )buf_;	386	char buf = (char )buf_;
269	char *pos = buf;
270	int amt = 0;
271		387
272	if (status == Ns_Dead \|\| !buf)	388	if (destroyed () \|\| !buf)
273	{
274	LOG (llevDebug, "Write_To_Socket called with dead socket\n");
275	return;	389	return;
276	}
277		390
278	if ((len + outputbuffer.len) > SOCKETBUFSIZE)	391	if (len + outputbuffer.len > SOCKETBUFSIZE)
279	{	392	{
280	LOG (llevDebug, "Socket on fd %d has overrun internal buffer - marking as dead\n", fd);	393	LOG (llevDebug, "socket on fd %d has overrun internal buffer - marking as dead\n", fd);
281	status = Ns_Dead;	394	// shutdown the socket, this is safer than destroying it immediately
		395	// as lots of code in the callchain might still access the map etc.
		396	shutdown (fd, SHUT_RDWR);
282	return;	397	return;
283	}	398	}
284		399
285	int avail, end;	400	int avail, end;
286		401
…		…
304	}	419	}
305		420
306	outputbuffer.len += len;	421	outputbuffer.len += len;
307	}	422	}
308		423
309	void
310	client_socket::socket_cb (iow &w, int got)
311	{
312	write_outputbuffer ();
313
314	if (!outputbuffer.len)
315	socket_ev.poll (socket_ev.poll () & ~PE_W);
316	}
317
318	/**	424	/**
319	* Takes a string of data, and writes it out to the socket. A very handy	425	* Takes a string of data, and writes it out to the socket. A very handy
320	* shortcut function.	426	* shortcut function.
321	*/	427	*/
322	void	428	void
323	client_socket::send_packet (packet &sl)	429	client::send_packet (packet &sl)
324	{	430	{
325	if (status == Ns_Dead)	431	if (destroyed ())
326	return;	432	return;
327		433
328	if (sl.length () >= MAXSOCKBUF)	434	if (sl.length () > MAXSOCKBUF)
329	{	435	{
330	LOG (llevError, "Trying to send a buffer beyond properly size, len =%d\n", sl.length ());	436	LOG (llevError, "Trying to send a buffer beyond properly size, len =%d\n", sl.length ());
331	/* Almost certainly we've overflowed a buffer, so quit now to make	437	/* Almost certainly we've overflowed a buffer, so quit now to make
332	* it easier to debug.	438	* it easier to debug.
333	*/	439	*/
…		…
344		450
345	send (sl.buf_, sl.length () + sl.hdrlen);	451	send (sl.buf_, sl.length () + sl.hdrlen);
346	}	452	}
347		453
348	void	454	void
349	client_socket::send_packet (const char *buf, int len)	455	client::send_packet (const char *buf, int len)
350	{	456	{
351	packet sl;	457	packet sl;
352		458
353	sl << data (buf, len);	459	sl << data (buf, len);
354	send_packet (sl);	460	send_packet (sl);
355	}	461	}
356		462
357	void	463	void
358	client_socket::send_packet (const char *buf)	464	client::send_packet (const char *buf)
359	{	465	{
360	send_packet (buf, strlen (buf));	466	send_packet (buf, strlen (buf));
361	}	467	}
362		468
		469	void
		470	client::send_packet_printf (const char *format, ...)
		471	{
		472	packet sl;
		473
		474	va_list ap;
		475	va_start (ap, format);
		476	sl.vprintf (format, ap);
		477	va_end (ap);
		478
		479	send_packet (sl);
		480	}
		481
		482	void
		483	client::send_msg (int color, const char type, const char msg)
		484	{
		485	if (!msg \|\| !type) // it can happen (for example, missing attack messages cause this)
		486	{
		487	LOG (logBacktrace \| llevError, "send_msg(%d,%p,%p) called with NULL msg or type.\n", color, type, msg);
		488	return;
		489	}
		490
		491	int len = strlen (msg);
		492
		493	if (!(color & NDI_VERBATIM)
		494	&& (msg_is_special (msg)
		495	\|\| (type [0] == 'c' && type [1] == '/') \|\| len > (MAXSOCKBUF - 128)))
		496	cfperl_send_msg (this, color, type, msg);
		497	else
		498	send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg);
		499	}
		500
		501	void
		502	client::send_drawinfo (const char *msg, int flags)
		503	{
		504	send_msg (flags, "log", msg);
		505	}
		506
363	/******************************************************************************	507	/***********************************************************************
364	*	508	*
365	* statistics logging functions.	509	* packet functions/utilities
366	*	510	*
367	******************************************************************************/	511	**********************************************************************/
368		512
369	#ifdef CS_LOGSTATS	513	packet::packet (const char *name)
370
371	/* cst_tot is for the life of the server, cst_last is for the last series of
372	* stats
373	*/
374	CS_Stats cst_tot, cst_lst;
375
376	/**
377	* Writes out the gathered stats. We clear cst_lst.
378	*/
379	void
380	write_cs_stats (void)
381	{	514	{
382	time_t now = time (NULL);	515	reset ();
383		516
384	/* If no connections recently, don't both to log anything */	517	int len = strlen (name);
385	if (cst_lst.ibytes == 0 && cst_lst.obytes == 0)	518	memcpy (cur, name, len); cur += len;
386	return;	519	*cur++ = ' ';
387
388	/* CSSTAT is put in so scripts can easily find the line */
389	LOG (llevInfo, "CSSTAT: %.16s tot %d %d %d %d inc %d %d %d %d\n",
390	ctime (&now), cst_tot.ibytes, cst_tot.obytes, cst_tot.max_conn,
391	now - cst_tot.time_start, cst_lst.ibytes, cst_lst.obytes, cst_lst.max_conn, now - cst_lst.time_start);
392	cst_lst.ibytes = 0;
393	cst_lst.obytes = 0;
394	cst_lst.time_start = now;
395	}	520	}
396	#endif
397		521
		522	packet &packet::operator <<(const ber32 v)
		523	{
		524	enum { maxlen = 32 / 7 + 1};
		525	uint8 buf[maxlen];
		526	uint8 *p = buf + maxlen;
		527	uint32 val = v.val;
		528
		529	*--p = val & 0x7F;
		530
		531	while (val > 0x7F)
		532	{
		533	val >>= 7;
		534	*--p = (val & 0x7F) \| 0x80;
		535	}
		536
		537	return *this << data (p, buf + maxlen - p);
		538	}
		539
		540	packet &packet::operator <<(const data &v)
		541	{
		542	if (room () < v.len)
		543	reset ();
		544	else
		545	{
		546	if (v.len)
		547	{
		548	memcpy (cur, v.ptr, v.len);
		549	cur += v.len;
		550	}
		551	}
		552
		553	return *this;
		554	}
		555
		556	packet &packet::operator <<(const data8 &v)
		557	{
		558	unsigned int len = min (v.len, 0x00FF);
		559	return *this << uint8 (len) << data (v.ptr, len);
		560	}
		561
		562	packet &packet::operator <<(const data16 &v)
		563	{
		564	unsigned int len = min (v.len, 0xFFFF);
		565	return *this << uint16 (len) << data (v.ptr, len);
		566	}
		567
		568	packet &packet::operator <<(const char *v)
		569	{
		570	return *this << data (v, strlen (v ? v : 0));
		571	}
		572
		573	void
		574	packet::vprintf (const char *format, va_list ap)
		575	{
		576	int size = room ();
		577
		578	int len = vsnprintf ((char *)cur, size, format, ap);
		579
		580	if (len >= size)
		581	return reset ();
		582
		583	cur += len;
		584	}
		585

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Comparing deliantra/server/socket/lowlevel.C (file contents): Revision 1.20 by root, Thu Dec 14 21:46:34 2006 UTC vs. Revision 1.72 by root, Tue Oct 13 18:20:08 2009 UTC

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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.20 by root, Thu Dec 14 21:46:34 2006 UTC vs.
Revision 1.72 by root, Tue Oct 13 18:20:08 2009 UTC