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Comparing deliantra/server/socket/lowlevel.C (file contents):
Revision 1.27 by root, Wed Dec 20 01:19:11 2006 UTC vs.
Revision 1.78 by root, Fri Apr 30 20:43:18 2010 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 (©) 2005,2006,2007,2008,2009,2010 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
35using namespace std; 23using namespace std;
36 24
37#include <global.h> 25#include <global.h>
38#include <sproto.h> 26#include <sproto.h>
39#include <cstdarg> 27#include <cstdarg>
40 28
41#ifdef __linux__ 29#if HAVE_TCP_INFO
42# include <sys/types.h> 30# include <sys/types.h>
43# include <sys/socket.h> 31# include <sys/socket.h>
44# include <netinet/in.h> 32# include <netinet/in.h>
45# include <netinet/tcp.h> 33# include <netinet/tcp.h>
46#endif 34#endif
47 35
48// 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,
49// easily die in 20 seconds... 37// forcing an ack regularly.
50#define SOCKET_TIMEOUT1 10 * 1000 38#define IDLE_PING 2.
51#define SOCKET_TIMEOUT2 20 * 1000
52 39
53void 40void
54client::flush () 41client::flush ()
55{ 42{
56#ifdef __linux__ 43 if (destroyed ())
57 // check time of last ack, and, if too old, kill connection 44 return;
58 struct tcp_info tcpi;
59 socklen_t len = sizeof (tcpi);
60
61 if (!getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) && len == sizeof (tcpi))
62 {
63 unsigned int diff = tcpi.tcpi_last_ack_recv - tcpi.tcpi_last_data_sent;
64
65 rtt = tcpi.tcpi_rtt;
66 rttvar = tcpi.tcpi_rttvar;
67
68 if (tcpi.tcpi_unacked && SOCKET_TIMEOUT1 < diff && diff < 0x80000000UL // ack delayed for 20s
69 && SOCKET_TIMEOUT2 < tcpi.tcpi_last_data_sent) // no data sent for 10s
70 {
71 LOG (llevDebug, "Connection on fd %d closed due to ack timeout (%u/%u/%u)\n", fd,
72 (unsigned) tcpi.tcpi_last_ack_recv, (unsigned) tcpi.tcpi_last_data_sent, (unsigned) tcpi.tcpi_unacked);
73 destroy ();
74 }
75 }
76#endif
77 45
78 /** 46 /**
79 * Writes data to socket. 47 * Writes data to socket.
80 * 48 *
81 * 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
82 * is called to write it out. 50 * is called to write it out.
83 */ 51 */
84 52
85 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)
86 return; 68 return;
87 69
70 last_send = NOW;
88 write_outputbuffer (); 71 write_outputbuffer ();
89} 72}
90 73
91void 74void
92client::write_outputbuffer () 75client::write_outputbuffer ()
102 /* wrap back to start of buffer */ 85 /* wrap back to start of buffer */
103 if (outputbuffer.start == SOCKETBUFSIZE) 86 if (outputbuffer.start == SOCKETBUFSIZE)
104 outputbuffer.start = 0; 87 outputbuffer.start = 0;
105 88
106 outputbuffer.len -= res; 89 outputbuffer.len -= res;
107#ifdef CS_LOGSTATS
108 cst_tot.obytes += res;
109 cst_lst.obytes += res;
110#endif
111 } 90 }
112 else if (res == 0) 91 else if (res == 0)
113 { 92 {
114 LOG (llevError, "socket write failed, connection closed.\n"); 93 LOG (llevError, "socket write failed, connection closed.\n");
115 destroy (); 94 destroy ();
120 // just retry 99 // just retry
121 } 100 }
122 else if (errno == EAGAIN) 101 else if (errno == EAGAIN)
123 { 102 {
124 // delay till ready 103 // delay till ready
125 socket_ev.poll (socket_ev.poll () | PE_W); 104 socket_ev.poll (socket_ev.poll () | EV_WRITE);
126 socket_ev.start (); 105 socket_ev.start ();
127 return; 106 return;
128 } 107 }
129 else 108 else
130 { 109 {
132 destroy (); 111 destroy ();
133 return; 112 return;
134 } 113 }
135 } 114 }
136 115
137 socket_ev.poll (socket_ev.poll () & ~PE_W); 116 socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
138} 117}
139 118
140/****************************************************************************** 119/******************************************************************************
141 * 120 *
142 * Start of read routines. 121 * Start of read routines.
153 if (inbuf_len >= 2 + pkt_len) 132 if (inbuf_len >= 2 + pkt_len)
154 return 2 + pkt_len; 133 return 2 + pkt_len;
155 134
156 if (inbuf_len == sizeof (inbuf)) 135 if (inbuf_len == sizeof (inbuf))
157 { 136 {
158 send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED); 137 send_packet_printf ("drawinfo %d input buffer overflow - closing connection.", NDI_RED | NDI_REPLY);
159 destroy (); 138 destroy ();
160 return -1; 139 return -1;
161 } 140 }
162 } 141 }
163 142
178 157
179// SocketCommand, PlayingCommand, should not exist with those ugly casts 158// SocketCommand, PlayingCommand, should not exist with those ugly casts
180#define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb), 159#define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb),
181#define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER | 160#define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER |
182 161
162static void
163NopCmd (char *, int, client *)
164{
165 // do nothing
166}
167
183/** 168/**
184 * Dispatch table for the server. 169 * Dispatch table for the server.
185 */ 170 */
186static struct packet_type packets[] = { 171static struct packet_type packets[] = {
187 {"ncom", PC(NewPlayerCmd) PF_PLAYING }, 172 {"ncom", PC(NewPlayerCmd) PF_PLAYING | PF_COMMAND6 },
188 {"command", PC(PlayerCmd) PF_PLAYING }, 173 {"command", PC(PlayerCmd) PF_PLAYING | PF_COMMAND0 },
189 174
190 {"examine", PC(ExamineCmd) PF_PLAYING }, 175 {"examine", PC(ExamineCmd) PF_PLAYING },
176 {"ex", PC(ExCmd) PF_PLAYING },
191 {"apply", PC(ApplyCmd) PF_PLAYING }, 177 {"apply", PC(ApplyCmd) PF_PLAYING },
192 {"reply", PC(ReplyCmd) 0 },
193 {"lookat", PC(LookAt) PF_PLAYING }, 178 {"lookat", PC(LookAt) PF_PLAYING },
194 {"lock", PC(LockItem) PF_PLAYING }, 179 {"lock", PC(LockItem) PF_PLAYING },
195 {"mark", PC(MarkItem) PF_PLAYING }, 180 {"mark", PC(MarkItem) PF_PLAYING },
196 {"move", PC(MoveCmd) PF_PLAYING }, 181 {"move", PC(MoveCmd) PF_PLAYING },
197 {"ext", PC(ExtCmd) 0 }, /* CF+ */ 182 {"ext", PC(ExtCmd) 0 }, // CF+/Deliantra
198 {"mapredraw", PC(MapRedrawCmd) 0 }, /* Added: phil */ 183 {"mapredraw", PC(MapRedrawCmd) 0 },
199 {"mapinfo", PC(MapInfoCmd) 0 }, /* CF+ */ 184 {"mapinfo", PC(MapInfoCmd) 0 }, // CF+/Deliantra
200 185
186 {"reply", SC(ReplyCmd) 0 },
201 {"exti", SC(ExtiCmd) 0 }, /* CF+ */ 187 {"exti", SC(ExtiCmd) 0 }, // CF+/Deliantra
202 {"addme", SC(AddMeCmd) 0 }, 188 {"addme", SC(AddMeCmd) 0 },
203 {"askface", SC(SendFaceCmd) 0 }, /* Added: phil */ 189 {"askface", SC(AskFaceCmd) 0 },
204 {"requestinfo", SC(RequestInfo) 0 }, 190 {"requestinfo", SC(RequestInfo) 0 },
205 {"setfacemode", SC(SetFaceMode) 0 },
206 {"setsound", SC(SetSound) 0 }, 191 {"setsound", SC(SetSound) 0 },
207 {"setup", SC(SetUp) 0 }, 192 {"setup", SC(SetUp) 0 },
208 {"version", SC(VersionCmd) 0 }, 193 {"version", SC(VersionCmd) 0 },
209 {"toggleextendedinfos", SC(ToggleExtendedInfos) 0 }, /*Added: tchize */ 194
210 {"toggleextendedtext", SC(ToggleExtendedText) 0 }, /*Added: tchize */ 195 {"toggleextendedtext", SC(NopCmd) 0 }, // deliantra: disabled
211 {"asksmooth", SC(AskSmooth) 0 }, /*Added: tchize (smoothing technologies) */
212}; 196};
213 197
214bool 198bool
215client::may_execute (const packet_type *pkt) const 199client::may_execute (const packet_type *pkt) const
216{ 200{
217 return (!(pkt->flags & PF_PLAYER) || pl) 201 return (!(pkt->flags & PF_PLAYER) || pl)
218 && (!(pkt->flags & PF_PLAYING) || (pl && pl->state == ST_PLAYING)); 202 && (!(pkt->flags & PF_PLAYING) || state == ST_PLAYING);
203}
204
205// HACK: some commands currently should be executed
206// even when the player is frozen. this hack detects
207// those commands. it should be folded into may_execute,
208// but kept seperate to emphasise the hack aspect, i.e.
209// do it better, then remove.
210static bool
211always_immediate (const client *ns, const packet_type *pkt, const char *data, int len)
212{
213 if (!(pkt->flags & (PF_COMMAND0 | PF_COMMAND6)))
214 return false;
215
216 if (!ns->pl || !ns->pl->ob || !ns->pl->ob->map)
217 return false;
218
219 if (pkt->flags & PF_COMMAND6)
220 {
221 data += 6;
222 len -= 6;
223 }
224
225 if (len > 4 && data [ 3] == ' ' && !strncmp (data, "say " , 4)) return true;
226 if (len > 5 && data [ 4] == ' ' && !strncmp (data, "chat " , 5)) return true;
227 if (len > 6 && data [ 5] == ' ' && !strncmp (data, "shout " , 6)) return true;
228 if (len > 8 && data [ 7] == ' ' && !strncmp (data, "suicide " , 8)) return true;
229 if (len > 18 && data [17] == ' ' && !strncmp (data, "accept-invitation ", 18)) return true;
230
231 if (len == 7 && !strcmp (data, "suicide")) return true;
232
233 return false;
219} 234}
220 235
221void 236void
222client::execute (const packet_type *pkt, char *data, int datalen) 237client::execute (const packet_type *pkt, char *data, int datalen)
223{ 238{
224 if (may_execute (pkt)) 239 if (may_execute (pkt) || always_immediate (this, pkt, data, datalen))
225 { 240 {
226 //TODO: only one format 241 //TODO: only one format
227 if (pkt->flags & PF_PLAYER) 242 if (pkt->flags & PF_PLAYER)
243 {
228 ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); 244 ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl);
245 pl->need_updated_stats ();
246 }
229 else 247 else
230 ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); 248 ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this);
231 } 249 }
232 else 250 else
233 send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED, pkt->name); 251 send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name);
234} 252}
235 253
236bool 254bool
237client::handle_packet () 255client::handle_packet ()
238{ 256{
246 pl && pl->ob ? &pl->ob->name : "[anonymous]"); 264 pl && pl->ob ? &pl->ob->name : "[anonymous]");
247 destroy (); 265 destroy ();
248 return false; 266 return false;
249 } 267 }
250 268
269 uint8_t save_byte = inbuf [pkt_len]; // rather ugly
251 inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ 270 inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */
252 271
253 /* First, break out beginning word. There are at least 272 /* First, break out beginning word. There are at least
254 * a few commands that do not have any paremeters. If 273 * a few commands that do not have any paremeters. If
255 * we get such a command, don't worry about trying 274 * we get such a command, don't worry about trying
256 * to break it up. 275 * to break it up.
267 { 286 {
268 data = (char *)inbuf + 2; // better read garbage than segfault 287 data = (char *)inbuf + 2; // better read garbage than segfault
269 datalen = 0; 288 datalen = 0;
270 } 289 }
271 290
272 for (packet_type *pkt = packets; pkt < packets + (sizeof (packets) / sizeof (packets[0])); ++pkt) 291 for (packet_type *pkt = packets; pkt < packets + array_length (packets); ++pkt)
273 if (!strcmp ((char *)inbuf + 2, pkt->name)) 292 if (!strcmp ((char *)inbuf + 2, pkt->name))
274 { 293 {
275 if (pkt->flags & PF_PLAYER) 294 if (pkt->flags & PF_PLAYER && !always_immediate (this, pkt, data, datalen))
276 queue_command (pkt, data, datalen); 295 queue_command (pkt, data, datalen);
277 else 296 else
278 execute (pkt, data, datalen); 297 execute (pkt, data, datalen);
279 298
280 goto next_packet; 299 goto next_packet;
281 } 300 }
282 301
283 // If we get here, we didn't find a valid command. 302 // If we get here, we didn't find a valid command.
284 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED, (char *)inbuf + 2); 303 send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2);
304
285next_packet: 305next_packet:
306 inbuf [pkt_len] = save_byte; // rather ugly
286 skip_packet (pkt_len); 307 skip_packet (pkt_len);
287 308
288 // input buffer has space again 309 // input buffer has space again
289 socket_ev.poll (socket_ev.poll () | PE_R); 310 socket_ev.poll (socket_ev.poll () | EV_READ);
290 311
291 return true; 312 return true;
292} 313}
293 314
294// callback called when socket is either readable or writable 315// callback called when socket is either readable or writable
295void 316void
296client::socket_cb (iow &w, int got) 317client::socket_cb (iow &w, int revents)
297{ 318{
298 //TODO remove when we have better socket cleanup logic 319 //TODO remove when we have better socket cleanup logic
299 if (status == Ns_Dead) 320 if (destroyed ())
300 { 321 {
301 socket_ev.poll (0); 322 socket_ev.poll (0);
302 return; 323 return;
303 } 324 }
304 325
305 if (got & PE_W) 326 if (revents & EV_WRITE)
306 { 327 {
307 write_outputbuffer (); 328 write_outputbuffer ();
308 329
309 if (!outputbuffer.len) 330 if (!outputbuffer.len)
310 socket_ev.poll (socket_ev.poll () & ~PE_W); 331 socket_ev.poll (socket_ev.poll () & ~EV_WRITE);
311 } 332 }
312 333
313 if (got & PE_R) 334 if (revents & EV_READ)
314 { 335 {
315 //TODO: rate-limit tcp connection in better ways, important 336 //TODO: rate-limit tcp connection in better ways, important
316 337
317 int amount = sizeof (inbuf) - inbuf_len; 338 int amount = sizeof (inbuf) - inbuf_len;
318 339
319 if (!amount) 340 if (!amount)
320 { 341 {
321 // input buffer full 342 // input buffer full
322 socket_ev.poll (socket_ev.poll () & ~PE_R); 343 socket_ev.poll (socket_ev.poll () & ~EV_READ);
323 return; 344 return;
324 } 345 }
325 346
326 amount = read (fd, inbuf + inbuf_len, amount); 347 amount = read (fd, inbuf + inbuf_len, amount);
327 348
343 } 364 }
344 else 365 else
345 { 366 {
346 inbuf_len += amount; 367 inbuf_len += amount;
347 368
348 cst_tot.ibytes += amount;
349 cst_lst.ibytes += amount;
350
351 cmd_ev.start ();
352 }
353 }
354}
355
356// called whenever we have additional commands to process
357void
358client::cmd_cb (iw &w)
359{
360 if (handle_packet ()) 369 if (handle_packet ())
361 w.start (); 370 {
362 else 371 while (handle_packet ())
363 flush (); 372 ;
373
374 flush ();
375 }
376 }
377 }
364} 378}
365 379
366/******************************************************************************* 380/*******************************************************************************
367 * 381 *
368 * Start of write related routines. 382 * Start of write related routines.
377 */ 391 */
378void 392void
379client::send (void *buf_, int len) 393client::send (void *buf_, int len)
380{ 394{
381 char *buf = (char *)buf_; 395 char *buf = (char *)buf_;
382 char *pos = buf;
383 int amt = 0;
384 396
385 if (status == Ns_Dead || !buf) 397 if (destroyed () || !buf)
386 return; 398 return;
387 399
388 if ((len + outputbuffer.len) > SOCKETBUFSIZE) 400 if (len + outputbuffer.len > SOCKETBUFSIZE)
389 { 401 {
390 LOG (llevDebug, "socket on fd %d has overrun internal buffer - marking as dead\n", fd); 402 LOG (llevDebug, "socket on fd %d has overrun internal buffer - marking as dead\n", fd);
391 destroy (); 403 // shutdown the socket, this is safer than destroying it immediately
404 // as lots of code in the callchain might still access the map etc.
405 shutdown (fd, SHUT_RDWR);
392 return; 406 return;
393 } 407 }
394 408
395 int avail, end; 409 int avail, end;
396 410
421 * shortcut function. 435 * shortcut function.
422 */ 436 */
423void 437void
424client::send_packet (packet &sl) 438client::send_packet (packet &sl)
425{ 439{
426 if (status == Ns_Dead) 440 if (destroyed ())
427 return; 441 return;
428 442
429 if (sl.length () >= MAXSOCKBUF) 443 if (sl.length () > MAXSOCKBUF)
430 { 444 {
431 LOG (llevError, "Trying to send a buffer beyond properly size, len =%d\n", sl.length ()); 445 LOG (llevError, "Trying to send a buffer beyond properly size, len =%d\n", sl.length ());
432 /* Almost certainly we've overflowed a buffer, so quit now to make 446 /* Almost certainly we've overflowed a buffer, so quit now to make
433 * it easier to debug. 447 * it easier to debug.
434 */ 448 */
472 va_end (ap); 486 va_end (ap);
473 487
474 send_packet (sl); 488 send_packet (sl);
475} 489}
476 490
491void
492client::send_msg (int color, const char *type, const char *msg)
493{
494 if (!msg || !type) // it can happen (for example, missing attack messages cause this)
495 {
496 LOG (logBacktrace | llevError, "send_msg(%d,%p,%p) called with NULL msg or type.\n", color, type, msg);
497 return;
498 }
499
500 int len = strlen (msg);
501
502 if (!(color & NDI_VERBATIM)
503 && (msg_is_special (msg)
504 || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128)))
505 cfperl_send_msg (this, color, type, msg);
506 else
507 send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg);
508}
509
510void
511client::send_drawinfo (const char *msg, int flags)
512{
513 send_msg (flags, "log", msg);
514}
515
477/*********************************************************************** 516/***********************************************************************
478 * 517 *
479 * packet functions/utilities 518 * packet functions/utilities
480 * 519 *
481 **********************************************************************/ 520 **********************************************************************/
487 int len = strlen (name); 526 int len = strlen (name);
488 memcpy (cur, name, len); cur += len; 527 memcpy (cur, name, len); cur += len;
489 *cur++ = ' '; 528 *cur++ = ' ';
490} 529}
491 530
531packet &packet::operator <<(const ber32 v)
532{
533 enum { maxlen = 32 / 7 + 1};
534 uint8 buf[maxlen];
535 uint8 *p = buf + maxlen;
536 uint32 val = v.val;
537
538 *--p = val & 0x7F;
539
540 while (val > 0x7F)
541 {
542 val >>= 7;
543 *--p = (val & 0x7F) | 0x80;
544 }
545
546 return *this << data (p, buf + maxlen - p);
547}
548
492packet &packet::operator <<(const data &v) 549packet &packet::operator <<(const data &v)
493{ 550{
494 if (room () < v.len) 551 if (room () < v.len)
495 reset (); 552 reset ();
496 else 553 else
533 return reset (); 590 return reset ();
534 591
535 cur += len; 592 cur += len;
536} 593}
537 594
538/******************************************************************************
539 *
540 * statistics logging functions.
541 *
542 ******************************************************************************/
543
544#ifdef CS_LOGSTATS
545
546/* cst_tot is for the life of the server, cst_last is for the last series of
547 * stats
548 */
549CS_Stats cst_tot, cst_lst;
550
551/**
552 * Writes out the gathered stats. We clear cst_lst.
553 */
554void
555write_cs_stats (void)
556{
557 time_t now = time (NULL);
558
559 /* If no connections recently, don't both to log anything */
560 if (cst_lst.ibytes == 0 && cst_lst.obytes == 0)
561 return;
562
563 /* CSSTAT is put in so scripts can easily find the line */
564 LOG (llevInfo, "CSSTAT: %.16s tot %d %d %d %d inc %d %d %d %d\n",
565 ctime (&now), cst_tot.ibytes, cst_tot.obytes, cst_tot.max_conn,
566 now - cst_tot.time_start, cst_lst.ibytes, cst_lst.obytes, cst_lst.max_conn, now - cst_lst.time_start);
567 cst_lst.ibytes = 0;
568 cst_lst.obytes = 0;
569 cst_lst.time_start = now;
570}
571#endif
572

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