[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 1.73 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) 1992 Frank Tore Johansen	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5		5	*
6	This program is free software; you can redistribute it and/or modify	6	* 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	7	* 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	8	* Free Software Foundation, either version 3 of the License, or (at your
9	(at your option) any later version.	9	* option) any later version.
10		10	*
11	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,
12	but WITHOUT ANY WARRANTY; without even the implied warranty of	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	GNU General Public License for more details.	14	* GNU General Public License for more details.
15		15	*
16	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
17	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
18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	18	* <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	*	19	*
27	* \date 2003-12-02	20	* 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	*/	21	*/
34		22
35	using namespace std;	23	using namespace std;
36		24
37	#include <global.h>	25	#include <global.h>
38	#include <newclient.h>
39	#include <sproto.h>	26	#include <sproto.h>
40	#include <cstdarg>	27	#include <cstdarg>
41		28
42	#ifdef __linux__	29	#if HAVE_TCP_INFO
43	# include <sys/types.h>	30	# include <sys/types.h>
44	# include <sys/socket.h>	31	# include <sys/socket.h>
45	# include <netinet/in.h>	32	# include <netinet/in.h>
46	# define TCP_HZ 1000 // sorry...
47	# include <netinet/tcp.h>	33	# include <netinet/tcp.h>
48	#endif	34	#endif
49		35
50	// use a really low timeout, as it doesn't cost any bandwidth, and you can	36	// force a packet when idle for more than this many seconds,
51	// easily die in 20 seconds...	37	// forcing an ack regularly.
52	#define SOCKET_TIMEOUT1 10	38	#define IDLE_PING 2.
53	#define SOCKET_TIMEOUT2 20
54		39
55	void	40	void
56	client_socket::flush ()	41	client::flush ()
57	{	42	{
58	#ifdef __linux__	43	if (destroyed ())
59	// check time of last ack, and, if too old, kill connection	44	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		45
77	/**	46	/**
78	* Writes data to socket.	47	* Writes data to socket.
79	*	48	*
80	* When the socket is clear to write, and we have backlogged data, this	49	* When the socket is clear to write, and we have backlogged data, this
81	* is called to write it out.	50	* is called to write it out.
82	*/	51	*/
83		52
84	if (!outputbuffer.len \|\| socket_ev.poll () & PE_W)	53	// write a nop to the socket at least every IDLE_NOP seconds.
		54	if (!outputbuffer.len)
		55	{
		56	if (last_send + IDLE_PING <= NOW && pl && pl->active)
		57	{
		58	// this is a bit ugly, but map1/map1a seem to be the only
		59	// nop'able commands and they are quite small.
		60	packet sl (mapmode == Map1Cmd ? "map1" : "map1a");
		61	send_packet (sl);
		62	}
		63	else
		64	return;
		65	}
		66
		67	if (socket_ev.poll () & EV_WRITE)
85	return;	68	return;
86		69
		70	last_send = NOW;
87	write_outputbuffer ();	71	write_outputbuffer ();
88	}	72	}
89		73
90	void	74	void
91	client_socket::write_outputbuffer ()	75	client::write_outputbuffer ()
92	{	76	{
93	while (outputbuffer.len)	77	while (outputbuffer.len)
94	{	78	{
95	int res = write (fd, outputbuffer.data + outputbuffer.start,	79	int res = write (fd, outputbuffer.data + outputbuffer.start,
96	min (outputbuffer.len, SOCKETBUFSIZE - outputbuffer.start));	80	min (outputbuffer.len, SOCKETBUFSIZE - outputbuffer.start));
101	/* wrap back to start of buffer */	85	/* wrap back to start of buffer */
102	if (outputbuffer.start == SOCKETBUFSIZE)	86	if (outputbuffer.start == SOCKETBUFSIZE)
103	outputbuffer.start = 0;	87	outputbuffer.start = 0;
104		88
105	outputbuffer.len -= res;	89	outputbuffer.len -= res;
106	#ifdef CS_LOGSTATS
107	cst_tot.obytes += res;
108	cst_lst.obytes += res;
109	#endif
110	}	90	}
111	else if (res == 0)	91	else if (res == 0)
112	{	92	{
113	LOG (llevError, "socket write failed, connection closed.\n");	93	LOG (llevError, "socket write failed, connection closed.\n");
114	status = Ns_Dead;	94	destroy ();
115	return;	95	return;
116	}	96	}
117	else if (errno == EINTR)	97	else if (errno == EINTR)
118	{	98	{
119	// just retry	99	// just retry
120	}	100	}
121	else if (errno == EAGAIN)	101	else if (errno == EAGAIN)
122	{	102	{
123	// delay till ready	103	// delay till ready
124	socket_ev.poll (socket_ev.poll () \| PE_W);	104	socket_ev.poll (socket_ev.poll () \| EV_WRITE);
125	socket_ev.start ();	105	socket_ev.start ();
126	return;	106	return;
127	}	107	}
128	else	108	else
129	{	109	{
130	LOG (llevError, "socket write failed: %s\n", strerror (errno));	110	LOG (llevError, "socket write failed: %s\n", strerror (errno));
131	status = Ns_Dead;	111	destroy ();
132	return;	112	return;
133	}	113	}
134	}	114	}
135		115
136	socket_ev.poll (socket_ev.poll () & ~PE_W);	116	socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
137	}	117	}
138		118
		119	/******************************************************************************
		120	*
		121	* Start of read routines.
		122	*
		123	******************************************************************************/
		124
		125	int
		126	client::next_packet ()
		127	{
		128	if (inbuf_len >= 2)
		129	{
		130	int pkt_len = (inbuf [0] << 8) \| inbuf [1];
		131
		132	if (inbuf_len >= 2 + pkt_len)
		133	return 2 + pkt_len;
		134
		135	if (inbuf_len == sizeof (inbuf))
		136	{
		137	send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED \| NDI_REPLY);
		138	destroy ();
		139	return -1;
		140	}
		141	}
		142
		143	return 0;
		144	}
		145
		146	void
		147	client::skip_packet (int len)
		148	{
		149	inbuf_len -= len;
		150	memmove (inbuf, inbuf + len, inbuf_len);
		151	}
		152
139	/***********************************************************************	153	/*****************************************************************************
140	*	154	* Start of command dispatch area.
141	* packet functions/utilities	155	* The commands here are protocol commands.
142	*
143	**********************************************************************/	156	****************************************************************************/
144		157
145	packet &packet::operator <<(const data &v)	158	// SocketCommand, PlayingCommand, should not exist with those ugly casts
		159	#define SC(cb) (void )static_cast<void ()(char , int, client )>(cb),
		160	#define PC(cb) (void )static_cast<void ()(char , int, player )>(cb), PF_PLAYER \|
		161
		162	/**
		163	* Dispatch table for the server.
		164	*/
		165	static struct packet_type packets[] = {
		166	{"ncom", PC(NewPlayerCmd) PF_PLAYING \| PF_COMMAND6 },
		167	{"command", PC(PlayerCmd) PF_PLAYING \| PF_COMMAND0 },
		168
		169	{"examine", PC(ExamineCmd) PF_PLAYING },
		170	{"ex", PC(ExCmd) PF_PLAYING },
		171	{"apply", PC(ApplyCmd) PF_PLAYING },
		172	{"lookat", PC(LookAt) PF_PLAYING },
		173	{"lock", PC(LockItem) PF_PLAYING },
		174	{"mark", PC(MarkItem) PF_PLAYING },
		175	{"move", PC(MoveCmd) PF_PLAYING },
		176	{"ext", PC(ExtCmd) 0 }, // CF+
		177	{"mapredraw", PC(MapRedrawCmd) 0 },
		178	{"mapinfo", PC(MapInfoCmd) 0 }, // CF+
		179
		180	{"reply", SC(ReplyCmd) 0 },
		181	{"exti", SC(ExtiCmd) 0 }, // CF+
		182	{"addme", SC(AddMeCmd) 0 },
		183	{"askface", SC(AskFaceCmd) 0 },
		184	{"requestinfo", SC(RequestInfo) 0 },
		185	{"setsound", SC(SetSound) 0 },
		186	{"setup", SC(SetUp) 0 },
		187	{"version", SC(VersionCmd) 0 },
		188	{"toggleextendedtext", SC(ToggleExtendedText) 0 }, /Added: tchize /
		189	};
		190
		191	bool
		192	client::may_execute (const packet_type *pkt) const
146	{	193	{
147	if (room () < v.len)	194	return (!(pkt->flags & PF_PLAYER) \|\| pl)
148	reset ();	195	&& (!(pkt->flags & PF_PLAYING) \|\| state == ST_PLAYING);
		196	}
		197
		198	// HACK: some commands currently should be executed
		199	// even when the player is frozen. this hack detects
		200	// those commands. it should be folded into may_execute,
		201	// but kept seperate to emphasise the hack aspect, i.e.
		202	// do it better, then remove.
		203	static bool
		204	always_immediate (const client ns, const packet_type pkt, const char *data, int len)
		205	{
		206	if (!(pkt->flags & (PF_COMMAND0 \| PF_COMMAND6)))
		207	return false;
		208
		209	if (!ns->pl \|\| !ns->pl->ob \|\| !ns->pl->ob->map)
		210	return false;
		211
		212	if (pkt->flags & PF_COMMAND6)
		213	{
		214	data += 6;
		215	len -= 6;
		216	}
		217
		218	if (len > 4 && data [ 3] == ' ' && !strncmp (data, "say " , 4)) return true;
		219	if (len > 5 && data [ 4] == ' ' && !strncmp (data, "chat " , 5)) return true;
		220	if (len > 6 && data [ 5] == ' ' && !strncmp (data, "shout " , 6)) return true;
		221	if (len > 8 && data [ 7] == ' ' && !strncmp (data, "suicide " , 8)) return true;
		222	if (len > 18 && data [17] == ' ' && !strncmp (data, "accept-invitation ", 18)) return true;
		223
		224	if (len == 7 && !strcmp (data, "suicide")) return true;
		225
		226	return false;
		227	}
		228
		229	void
		230	client::execute (const packet_type pkt, char data, int datalen)
		231	{
		232	if (may_execute (pkt) \|\| always_immediate (this, pkt, data, datalen))
		233	{
		234	//TODO: only one format
		235	if (pkt->flags & PF_PLAYER)
		236	((void ()(char , int, player ))pkt->cb)((char )data, datalen, pl);
		237	else
		238	((void ()(char , int, client ))pkt->cb)((char )data, datalen, this);
		239	}
149	else	240	else
		241	send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED \| NDI_REPLY, pkt->name);
		242	}
		243
		244	bool
		245	client::handle_packet ()
		246	{
		247	int pkt_len = next_packet ();
		248
		249	if (!pkt_len)
		250	return false;
		251	else if (pkt_len < 0)
		252	{
		253	LOG (llevError, "read error on player %s\n",
		254	pl && pl->ob ? &pl->ob->name : "[anonymous]");
		255	destroy ();
		256	return false;
150	{	257	}
151	if (v.len)	258
		259	uint8_t save_byte = inbuf [pkt_len]; // rather ugly
		260	inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */
		261
		262	/* First, break out beginning word. There are at least
		263	* a few commands that do not have any paremeters. If
		264	* we get such a command, don't worry about trying
		265	* to break it up.
		266	*/
		267	int datalen;
		268	char data = strchr ((char )inbuf + 2, ' ');
		269
		270	if (data)
		271	{
		272	*data++ = 0;
		273	datalen = pkt_len - (data - (char *)inbuf);
		274	}
		275	else
		276	{
		277	data = (char *)inbuf + 2; // better read garbage than segfault
		278	datalen = 0;
		279	}
		280
		281	for (packet_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt)
		282	if (!strcmp ((char *)inbuf + 2, pkt->name))
152	{	283	{
153	memcpy (cur, v.ptr, v.len);	284	if (pkt->flags & PF_PLAYER && !always_immediate (this, pkt, data, datalen))
154	cur += v.len;	285	queue_command (pkt, data, datalen);
		286	else
		287	execute (pkt, data, datalen);
		288
		289	goto next_packet;
155	}	290	}
		291
		292	// If we get here, we didn't find a valid command.
		293	send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED \| NDI_REPLY, (char *)inbuf + 2);
		294
		295	next_packet:
		296	inbuf [pkt_len] = save_byte; // rather ugly
		297	skip_packet (pkt_len);
		298
		299	// input buffer has space again
		300	socket_ev.poll (socket_ev.poll () \| EV_READ);
		301
		302	return true;
		303	}
		304
		305	// callback called when socket is either readable or writable
		306	void
		307	client::socket_cb (iow &w, int revents)
		308	{
		309	//TODO remove when we have better socket cleanup logic
		310	if (destroyed ())
156	}	311	{
157		312	socket_ev.poll (0);
158	return *this;	313	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	{	314	}
205	if (inbuf_len >= 2)
206	{
207	unsigned int pkt_len = (inbuf [0] << 8) \| inbuf [1];
208		315
209	if (inbuf_len >= 2 + pkt_len)	316	if (revents & EV_WRITE)
210	return pkt_len + 2;	317	{
211	}	318	write_outputbuffer ();
		319
		320	if (!outputbuffer.len)
		321	socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
		322	}
		323
		324	if (revents & EV_READ)
		325	{
		326	//TODO: rate-limit tcp connection in better ways, important
212		327
213	int amount = sizeof (inbuf) - inbuf_len;	328	int amount = sizeof (inbuf) - inbuf_len;
214		329
215	if (amount <= 0)	330	if (!amount)
216	{	331	{
217	LOG (llevError, "packet too large");//TODO	332	// input buffer full
		333	socket_ev.poll (socket_ev.poll () & ~EV_READ);
218	return -1;	334	return;
219	}	335	}
220		336
221	amount = read (fd, inbuf + inbuf_len, amount);	337	amount = read (fd, inbuf + inbuf_len, amount);
222		338
223	if (!amount)	339	if (!amount)
224	{	340	{
225	status = Ns_Dead;	341	destroy ();
226	return -1;	342	return;
227	}	343	}
228	else if (amount < 0)	344	else if (amount < 0)
229	{	345	{
230	if (errno != EAGAIN && errno != EINTR)	346	if (errno != EAGAIN && errno != EINTR)
231	{	347	{
232	LOG (llevError, "read error: %s\n", strerror (errno));	348	LOG (llevError, "read error: %s\n", strerror (errno));
		349	destroy ();
233	return -1;	350	return;
234	}	351	}
235		352
236	return 0;	353	// should not be here, normally
		354	}
		355	else
237	}	356	{
238
239	inbuf_len += amount;	357	inbuf_len += amount;
240		358
241	cst_tot.ibytes += amount;	359	if (handle_packet ())
242	cst_lst.ibytes += amount;	360	{
243	}	361	while (handle_packet ())
244	}	362	;
245		363
246	void	364	flush ();
247	client_socket::skip_packet (int len)	365	}
248	{	366	}
249	inbuf_len -= len;	367	}
250	memmove (inbuf, inbuf + len, inbuf_len);
251	}	368	}
252		369
253	/*******************************************************************************	370	/*******************************************************************************
254	*	371	*
255	* Start of write related routines.	372	* Start of write related routines.
…		…
261	*	378	*
262	* ns is the socket we are adding the data to, buf is the start of the	379	* 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.	380	* data, and len is the number of bytes to add.
264	*/	381	*/
265	void	382	void
266	client_socket::send (void *buf_, int len)	383	client::send (void *buf_, int len)
267	{	384	{
268	char buf = (char )buf_;	385	char buf = (char )buf_;
269	char *pos = buf;
270	int amt = 0;
271		386
272	if (status == Ns_Dead \|\| !buf)	387	if (destroyed () \|\| !buf)
273	{
274	LOG (llevDebug, "Write_To_Socket called with dead socket\n");
275	return;	388	return;
276	}
277		389
278	if ((len + outputbuffer.len) > SOCKETBUFSIZE)	390	if (len + outputbuffer.len > SOCKETBUFSIZE)
279	{	391	{
280	LOG (llevDebug, "Socket on fd %d has overrun internal buffer - marking as dead\n", fd);	392	LOG (llevDebug, "socket on fd %d has overrun internal buffer - marking as dead\n", fd);
281	status = Ns_Dead;	393	// shutdown the socket, this is safer than destroying it immediately
		394	// as lots of code in the callchain might still access the map etc.
		395	shutdown (fd, SHUT_RDWR);
282	return;	396	return;
283	}	397	}
284		398
285	int avail, end;	399	int avail, end;
286		400
…		…
304	}	418	}
305		419
306	outputbuffer.len += len;	420	outputbuffer.len += len;
307	}	421	}
308		422
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	/**	423	/**
319	* Takes a string of data, and writes it out to the socket. A very handy	424	* Takes a string of data, and writes it out to the socket. A very handy
320	* shortcut function.	425	* shortcut function.
321	*/	426	*/
322	void	427	void
323	client_socket::send_packet (packet &sl)	428	client::send_packet (packet &sl)
324	{	429	{
325	if (status == Ns_Dead)	430	if (destroyed ())
326	return;	431	return;
327		432
328	if (sl.length () >= MAXSOCKBUF)	433	if (sl.length () > MAXSOCKBUF)
329	{	434	{
330	LOG (llevError, "Trying to send a buffer beyond properly size, len =%d\n", sl.length ());	435	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	436	/* Almost certainly we've overflowed a buffer, so quit now to make
332	* it easier to debug.	437	* it easier to debug.
333	*/	438	*/
…		…
344		449
345	send (sl.buf_, sl.length () + sl.hdrlen);	450	send (sl.buf_, sl.length () + sl.hdrlen);
346	}	451	}
347		452
348	void	453	void
349	client_socket::send_packet (const char *buf, int len)	454	client::send_packet (const char *buf, int len)
350	{	455	{
351	packet sl;	456	packet sl;
352		457
353	sl << data (buf, len);	458	sl << data (buf, len);
354	send_packet (sl);	459	send_packet (sl);
355	}	460	}
356		461
357	void	462	void
358	client_socket::send_packet (const char *buf)	463	client::send_packet (const char *buf)
359	{	464	{
360	send_packet (buf, strlen (buf));	465	send_packet (buf, strlen (buf));
361	}	466	}
362		467
		468	void
		469	client::send_packet_printf (const char *format, ...)
		470	{
		471	packet sl;
		472
		473	va_list ap;
		474	va_start (ap, format);
		475	sl.vprintf (format, ap);
		476	va_end (ap);
		477
		478	send_packet (sl);
		479	}
		480
		481	void
		482	client::send_msg (int color, const char type, const char msg)
		483	{
		484	if (!msg \|\| !type) // it can happen (for example, missing attack messages cause this)
		485	{
		486	LOG (logBacktrace \| llevError, "send_msg(%d,%p,%p) called with NULL msg or type.\n", color, type, msg);
		487	return;
		488	}
		489
		490	int len = strlen (msg);
		491
		492	if (!(color & NDI_VERBATIM)
		493	&& (msg_is_special (msg)
		494	\|\| (type [0] == 'c' && type [1] == '/') \|\| len > (MAXSOCKBUF - 128)))
		495	cfperl_send_msg (this, color, type, msg);
		496	else
		497	send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg);
		498	}
		499
		500	void
		501	client::send_drawinfo (const char *msg, int flags)
		502	{
		503	send_msg (flags, "log", msg);
		504	}
		505
363	/******************************************************************************	506	/***********************************************************************
364	*	507	*
365	* statistics logging functions.	508	* packet functions/utilities
366	*	509	*
367	******************************************************************************/	510	**********************************************************************/
368		511
369	#ifdef CS_LOGSTATS	512	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	{	513	{
382	time_t now = time (NULL);	514	reset ();
383		515
384	/* If no connections recently, don't both to log anything */	516	int len = strlen (name);
385	if (cst_lst.ibytes == 0 && cst_lst.obytes == 0)	517	memcpy (cur, name, len); cur += len;
386	return;	518	*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	}	519	}
396	#endif
397		520
		521	packet &packet::operator <<(const ber32 v)
		522	{
		523	enum { maxlen = 32 / 7 + 1};
		524	uint8 buf[maxlen];
		525	uint8 *p = buf + maxlen;
		526	uint32 val = v.val;
		527
		528	*--p = val & 0x7F;
		529
		530	while (val > 0x7F)
		531	{
		532	val >>= 7;
		533	*--p = (val & 0x7F) \| 0x80;
		534	}
		535
		536	return *this << data (p, buf + maxlen - p);
		537	}
		538
		539	packet &packet::operator <<(const data &v)
		540	{
		541	if (room () < v.len)
		542	reset ();
		543	else
		544	{
		545	if (v.len)
		546	{
		547	memcpy (cur, v.ptr, v.len);
		548	cur += v.len;
		549	}
		550	}
		551
		552	return *this;
		553	}
		554
		555	packet &packet::operator <<(const data8 &v)
		556	{
		557	unsigned int len = min (v.len, 0x00FF);
		558	return *this << uint8 (len) << data (v.ptr, len);
		559	}
		560
		561	packet &packet::operator <<(const data16 &v)
		562	{
		563	unsigned int len = min (v.len, 0xFFFF);
		564	return *this << uint16 (len) << data (v.ptr, len);
		565	}
		566
		567	packet &packet::operator <<(const char *v)
		568	{
		569	return *this << data (v, strlen (v ? v : 0));
		570	}
		571
		572	void
		573	packet::vprintf (const char *format, va_list ap)
		574	{
		575	int size = room ();
		576
		577	int len = vsnprintf ((char *)cur, size, format, ap);
		578
		579	if (len >= size)
		580	return reset ();
		581
		582	cur += len;
		583	}
		584

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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 1.73 by root, Tue Nov 3 23:44:21 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 1.73 by root, Tue Nov 3 23:44:21 2009 UTC