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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
85		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
90		124
91	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
94		128
95	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		131
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		140
102	binmode STDOUT;	141	binmode STDOUT;
103	binmode STDERR;	142	binmode STDERR;
104		143
105	# read virtual server time, if available	144	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
110	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
111		152
112	mkdir $_	153	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		155
115	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
158		199
159	The raw value load value from the last tick.	200	The raw value load value from the last tick.
160		201
161	=item %cf::CFG	202	=item %cf::CFG
162		203
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	205	from wherever your confdir points to.
165		206
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		208
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	227	$msg .= "\n"
187	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
188		229
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		231
191	utf8::encode $msg;
192	LOG llevError, $msg;	232	LOG llevError, $msg;
193	};	233	};
194	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
195		250
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	261	for my $pkg (qw(
207	cf::global cf::attachable	262	cf::global cf::attachable
208	cf::object cf::object::player	263	cf::object cf::object::player
209	cf::client cf::player	264	cf::client cf::player
210	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
211	cf::map cf::party cf::region	267	cf::party cf::region
212	)) {	268	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	270	}
216		271
217	$Event::DIED = sub {	272	$EV::DIED = sub {
218	warn "error in event callback: @_";	273	warn "error in event callback: @_";
219	};	274	};
220		275
221	#############################################################################	276	#############################################################################
222		277
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	301	$d
247	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
248	}	303	}
249		304
250	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
251		306
252	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
253		308
254	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
255		310
256	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
257		312
258	=cut	313	=cut
259		314
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		316
262	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
264		333
265	=item cf::lock_wait $string	334	=item cf::lock_wait $string
266		335
267	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
268		337
269	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
270		339
271	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
274	returned.	343	returned.
275		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
276	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
278		350
279	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
280		352
281	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
282		354
283	=cut	355	=cut
284		356
285	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
286		358
287	sub lock_wait($) {	359	sub lock_wait($) {
288	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	361	}
296		362
297	sub lock_acquire($) {	363	sub lock_acquire($) {
298	my ($key) = @_;	364	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	365	}
310		366
311	sub lock_active($) {	367	sub lock_active($) {
312	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	369	}
316		370
317	sub freeze_mainloop {	371	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
319		373
320	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	375	}
326		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
327	=item cf::get_slot $time[, $priority]	392	=item cf::get_slot $time[, $priority[, $name]]
328		393
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
330	This call blocks and returns only when you have at least C<$time> seconds	395	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	396	of cpu time till the next tick. The slot is only valid till the next cede.
332		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
333	Useful for short background jobs.	401	Useful for short background jobs.
334		402
335	=cut	403	=cut
336		404
337	our @SLOT_QUEUE;	405	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	406	our $SLOT_QUEUE;
339		407
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
342	my $signal = new Coro::Signal;	412	my $signal = new Coro::Signal;
343		413
344	while () {	414	while () {
345	next_job:	415	next_job:
346	my $avail = cf::till_tick;	416	my $avail = cf::till_tick;
…		…
354	}	424	}
355	}	425	}
356	}	426	}
357		427
358	if (@SLOT_QUEUE) {	428	if (@SLOT_QUEUE) {
359	# we do not use wait_For_tick() as it returns immediately when tick is inactive	429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
360	push @cf::WAIT_FOR_TICK, $signal;	430	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	431	$signal->wait;
362	} else {	432	} else {
363	Coro::schedule;	433	Coro::schedule;
364	}	434	}
365	}	435	}
366	};	436	};
367		437
368	sub get_slot($;$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
369	my ($time, $pri) = @_;	441	my ($time, $pri, $name) = @_;
370		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	448	$SLOT_QUEUE->ready;
374	$sig->wait;	449	$sig->wait;
375	}	450	}
376		451
…		…
384		459
385	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
386		461
387	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
388		463
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	467	acceptable.
393		468
394	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		475
401	sub sync_job(&) {	476	sub sync_job(&) {
402	my ($job) = @_;	477	my ($job) = @_;
403		478
404	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	480	my $time = EV::time;
406		481
407	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
409		484
410	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	486
412	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
413		488
414	my $busy = 1;	489	my $busy = 1;
415	my @res;	490	my @res;
416		491
417	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	494	@res = eval { $job->() };
419	warn $@ if $@;	495	warn $@ if $@;
420	undef $busy;	496	undef $busy;
421	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
422		498
423	while ($busy) {	499	while ($busy) {
424	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
425	}	504	}
		505	}
426		506
427	$time = Event::time - $time;	507	my $time = EV::time - $time;
428		508
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
433		510
434	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
435	} else {	512	} else {
436	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
437		514
…		…
462	=item fork_call { }, $args	539	=item fork_call { }, $args
463		540
464	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
465	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
466	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
467	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
468		545
469	=cut	546	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		547
480	sub fork_call(&@) {	548	sub fork_call(&@) {
481	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
482		550
483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	551	# we seemingly have to make a local copy of the whole thing,
484	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		554
488	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	556	reset_signals;
502	local $SIG{__WARN__};	557	&$cb
503	local $SIG{__DIE__};	558	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		559
510	eval {	560	wantarray ? @res : $res[-1]
511	close $fh1;	561	}
512		562
513	my @res = eval { $cb->(@args) };	563	=item $coin = coin_from_name $name
514		564
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	565	=cut
516	close $fh2;
517	};
518		566
519	warn $@ if $@;	567	our %coin_alias = (
520	_exit 0;	568	"silver" => "silvercoin",
521	}	569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
522	}	588	}
523		589
524	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
525		591
526	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
529		595
530	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
532		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
533	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
534		622
535	our $DB;	623	our $DB;
536		624
537	sub db_init {	625	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	626	cf::sync_job {
542	eval {	627	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	628	};
552	}	629	}
553		630
554	sub db_get($$) {	631	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
556		633
…		…
606	if (1) {	683	if (1) {
607	$md5 =	684	$md5 =
608	join "\x00",	685	join "\x00",
609	$processversion,	686	$processversion,
610	map {	687	map {
611	Coro::cede;	688	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	690	} 0.. $#$src;
614		691
615		692
616	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		731
655	#############################################################################	732	#############################################################################
656		733
657	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
658		735
659	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
660	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
661	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
662		739
663	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
664	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
665	Crossfire TRT).	742	Deliantra).
666		743
667	=over 4	744	=over 4
668		745
669	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
670		747
…		…
714	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
715		792
716	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
717	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
718		795
719	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
720	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
721		798
722	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
723		800
724	=over 4	801	=over 4
…		…
952	}	1029	}
953		1030
954	0	1031	0
955	}	1032	}
956		1033
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1035
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1037
961	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
962		1039
…		…
968		1045
969	=cut	1046	=cut
970		1047
971	#############################################################################	1048	#############################################################################
972	# object support	1049	# object support
973	#
974		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
975	sub _can_merge {	1084	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
977		1086
978	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1088
982	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
983	}	1091	}
984		1092
985	sub reattach {	1093	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1095	my ($obj) = @_;
988		1096
		1097	# no longer needed after getting rid of delete_package?
989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
990		1099
991	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
992		1101
993	@$registry = ();	1102	@$registry = ();
994		1103
…		…
1009	cf::attachable->attach (	1118	cf::attachable->attach (
1010	prio => -1000000,	1119	prio => -1000000,
1011	on_instantiate => sub {	1120	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1013		1122
1014	$data = from_json $data;	1123	$data = decode_json $data;
1015		1124
1016	for (@$data) {	1125	for (@$data) {
1017	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1018		1127
1019	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1144	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
1037		1146
1038	sync_job {	1147	sync_job {
1039	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1042		1152
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
1047	close $fh;	1160	aio_close $fh;
1048		1161
1049	if (@$objs) {	1162	if (@$objs) {
1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1051	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1054	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
1055	close $fh;	1171	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1173	}
1058	} else {	1174	} else {
1059	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1060	}	1176	}
1061		1177
1062	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1182	} else {
1064	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1065	}	1184	}
1066	} else {	1185	} else {
1067	aio_unlink $filename;	1186	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1069	}	1188	}
1070	}	1189	};
1071	}	1190	}
1072		1191
1073	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
1075		1194
…		…
1087	or return;	1206	or return;
1088		1207
1089	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1210	or return;
		1211
1092	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
1093	}	1214	}
1094		1215
		1216	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1218	$decname, length $data, scalar @{$av || []};
		1219
1097	return ($data, $av);	1220	($data, $av)
1098	}	1221	}
1099		1222
1100	=head2 COMMAND CALLBACKS	1223	=head2 COMMAND CALLBACKS
1101		1224
1102	=over 4	1225	=over 4
…		…
1156	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1157		1280
1158	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1159	}	1282	}
1160		1283
		1284	use File::Glob ();
		1285
1161	cf::player->attach (	1286	cf::player->attach (
1162	on_command => sub {	1287	on_command => sub {
1163	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1164		1289
1165	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1175	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
1176		1301
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1303
1179	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
1185	} else {	1319	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1321	}
1188		1322
1189	cf::override;	1323	cf::override;
1190	},	1324	},
1191	);	1325	);
		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
1192		1339
1193	sub load_extensions {	1340	sub load_extensions {
1194	cf::sync_job {	1341	cf::sync_job {
1195	my %todo;	1342	my %todo;
1196		1343
…		…
1216		1363
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1366
1220	$ext{source} =	1367	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1223	. $source	1370	. $source
1224	. "\n};\n1";	1371	. "\n};\n1";
1225		1372
1226	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1242	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1243	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1244		1391
1245	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1246	warn $msg;	1393	warn $msg;
1247	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1248	exit 1;
1249	}	1395	}
1250		1396
1251	warn $msg;	1397	warn $msg;
1252	}	1398	}
1253		1399
…		…
1267		1413
1268	=back	1414	=back
1269		1415
1270	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1271		1417
1272	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1273		1419
1274	=cut	1420	=cut
1275		1421
1276	package cf::player;	1422	package cf::player;
1277		1423
1278	use Coro::AIO;	1424	use Coro::AIO;
1279		1425
1280	=head3 cf::player	1426	=head3 cf::player
1281		1427
1282	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
1283		1443
1284	=item cf::player::find $login	1444	=item cf::player::find $login
1285		1445
1286	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1287		1447
…		…
1306		1466
1307	sub exists($) {	1467	sub exists($) {
1308	my ($login) = @_;	1468	my ($login) = @_;
1309		1469
1310	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1312	}	1472	}
1313		1473
1314	sub find($) {	1474	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1476	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1487
1328	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1329	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1330	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1331	}	1497	}
1332	}	1498	}
1333	}	1499	}
1334		1500
…		…
1343	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1344		1510
1345	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1347		1513
		1514	cf::get_slot 0.01;
		1515
1348	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1349	Coro::cede;	1517	cf::cede_to_tick;
1350	}	1518	}
1351		1519
1352	sub new($) {	1520	sub new($) {
1353	my ($login) = @_;	1521	my ($login) = @_;
1354		1522
…		…
1360	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1361		1529
1362	$self	1530	$self
1363	}	1531	}
1364		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1365	=item $pl->quit_character	1543	=item $pl->quit_character
1366		1544
1367	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1368	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1369		1547
…		…
1373	my ($pl) = @_;	1551	my ($pl) = @_;
1374		1552
1375	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1376		1554
1377	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1378	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1379		1557
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1384		1564
1385	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1602	or return [];
1423		1603
1424	my @logins;	1604	my @logins;
1425		1605
1426	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1430		1616
1431	utf8::decode $login;	1617	utf8::decode $login;
1432	push @logins, $login;	1618	push @logins, $login;
1433	}	1619	}
1434		1620
…		…
1461	}	1647	}
1462		1648
1463	\@paths	1649	\@paths
1464	}	1650	}
1465		1651
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1653
1468	Expand crossfire pod fragments into protocol xml.	1654	Expand deliantra pod fragments into protocol xml.
1469		1655
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1517		1657
1518	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1519		1659
1520	=cut	1660	=cut
1521		1661
1522	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1524		1664
1525	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1666	}
1528		1667
1529	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1530		1669
1531	Sends an ext event to the client.	1670	Sends an ext event to the client.
1532		1671
1533	=cut	1672	=cut
1534		1673
1535	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1537		1676
1538	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1539	}	1678	}
1540		1679
1541	=head3 cf::region	1680	=head3 cf::region
1542		1681
1543	=over 4	1682	=over 4
…		…
1587	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1589		1728
1590	sub generate_random_map {	1729	sub generate_random_map {
1591	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1592	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1735	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1718		1860
1719	# the temporary/swap location	1861	# the temporary/swap location
1720	sub save_path {	1862	sub save_path {
1721	my ($self) = @_;	1863	my ($self) = @_;
1722		1864
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1725	}	1867	}
1726		1868
1727	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1728	sub uniq_path {	1870	sub uniq_path {
1729	my ($self) = @_;	1871	my ($self) = @_;
1730		1872
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1875	}
1743		1876
1744	sub decay_objects {	1877	sub decay_objects {
1745	my ($self) = @_;	1878	my ($self) = @_;
1746		1879
…		…
1759		1892
1760	sub load_header_from($) {	1893	sub load_header_from($) {
1761	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1762		1895
1763	utf8::encode $path;	1896	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1769		1905
1770	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1771		1907
1772	1	1908	1
1773	}	1909	}
…		…
1827	sub find {	1963	sub find {
1828	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1829		1965
1830	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1831		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1833		1970
1834	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1837	or return;	1973	or return;
1838		1974
1839	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1840		1976
…		…
1842	or return;	1978	or return;
1843		1979
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1847	$map->reset;	1985	$map->reset;
1848	undef $guard;
1849	return find $path;	1986	return find $path;
1850	}	1987	}
1851		1988
1852	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1853	}	1990	}
…		…
1862	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1863		2000
1864	my $path = $self->{path};	2001	my $path = $self->{path};
1865		2002
1866	{	2003	{
1867	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1868		2005
		2006	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2008
1871	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1872		2010
1873	$self->alloc;	2011	$self->alloc;
1874		2012
1875	$self->pre_load;	2013	$self->pre_load;
1876	Coro::cede;	2014	cf::cede_to_tick;
1877		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2018	$self->_load_objects ($f)
1879	or return;	2019	or return;
1880		2020
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1882	if delete $self->{load_original};	2022	if delete $self->{load_original};
1883		2023
1884	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2025	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2028	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1889	}	2032	}
1890	}	2033	}
1891		2034
1892	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1893	# now do the right thing for maps	2038	# now do the right thing for maps
1894	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2041	unless $self->difficulty;
1897	Coro::cede;	2042	cf::cede_to_tick;
1898		2043
1899	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2045	$self->decay_objects;
1901	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1902	$self->update_buttons;	2047	$self->update_buttons;
1903	Coro::cede;	2048	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2049	$self->activate;
1907	}	2050	}
1908		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2056	}
1911		2057
1912	$self->post_load;	2058	$self->post_load;
1913	}	2059	}
1914		2060
…		…
1923		2069
1924	$self	2070	$self
1925	}	2071	}
1926		2072
1927	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1928	sub load_diag {	2074	sub load_neighbours {
1929	my ($map) = @_;	2075	my ($map) = @_;
1930		2076
1931	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1932		2078
1933	for (0 .. 3) {	2079	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1935	or next;	2081	or next;
1936	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1937	or next;	2083	or next;
1938	$neigh->load;	2084	$neigh->load;
1939		2085
		2086	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2089	}
1943		2090
1944	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1946	or next;	2094	or next;
1947	$neigh->load;	2095	$neigh->load;
1948	}	2096	}
1949	}	2097	}
1950		2098
…		…
1955	}	2103	}
1956		2104
1957	sub do_load_sync {	2105	sub do_load_sync {
1958	my ($map) = @_;	2106	my ($map) = @_;
1959		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1960	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1961	}	2112	}
1962		2113
1963	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1965		2116
1966	sub find_async {	2117	sub find_async {
1967	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1968		2119
1969	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1970		2121
1971	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2124	}
1974		2125
1975	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1976	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1977	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2133	if (my $map = find $k) {
1980	$map->load;	2134	$map->load if $v;
1981	}	2135	}
1982		2136
1983	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1984	}	2138	}
1985	}	2139	}
1986	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1987	};	2141	};
1988	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2145	}
1992		2146
1993	sub save {	2147	sub save {
1994	my ($self) = @_;	2148	my ($self) = @_;
1995		2149
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2151
1998	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1999		2153
2000	return unless $self->dirty;	2154	return unless $self->dirty;
2001		2155
…		…
2007	return if $self->{deny_save};	2161	return if $self->{deny_save};
2008		2162
2009	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
2010		2164
2011	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
2013	};	2168	};
		2169
		2170	cf::get_slot 0.02;
2014		2171
2015	if ($uniq) {	2172	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2175	} else {
…		…
2024	my ($self) = @_;	2181	my ($self) = @_;
2025		2182
2026	# save first because save cedes	2183	# save first because save cedes
2027	$self->save;	2184	$self->save;
2028		2185
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2187
2031	return if $self->players;	2188	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2190	return if $self->{deny_save};
2034		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2196	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2197	}
2038		2198
2039	sub reset_at {	2199	sub reset_at {
2040	my ($self) = @_;	2200	my ($self) = @_;
2041		2201
…		…
2073	if $uniq;	2233	if $uniq;
2074	}	2234	}
2075		2235
2076	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
2077		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2240	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2241
2082	$self->unlink_save;	2242	$self->unlink_save;
2083	$self->destroy;	2243	$self->destroy;
2084	}	2244	}
2085		2245
2086	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
2087		2247
2088	sub nuke {	2248	sub nuke {
2089	my ($self) = @_;	2249	my ($self) = @_;
2090		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
2091	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
2092		2255
2093	$self->unlink_save;	2256	$self->unlink_save;
2094		2257
2095	bless $self, "cf::map";	2258	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2263
2101	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
2102		2266
2103	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
2104	}	2268	}
2105		2269
2106	=item $maps = cf::map::tmp_maps	2270	=item $maps = cf::map::tmp_maps
…		…
2148		2312
2149	sub unique_maps() {	2313	sub unique_maps() {
2150	[	2314	[
2151	map {	2315	map {
2152	utf8::decode $_;	2316	utf8::decode $_;
2153	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2154	? normalise $_	2320	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2322	]
2158	}	2323	}
2159		2324
2160	package cf;
2161
2162	=back	2325	=back
2163		2326
2164	=head3 cf::object	2327	=head3 cf::object
2165		2328
2166	=cut	2329	=cut
…		…
2169		2332
2170	=over 4	2333	=over 4
2171		2334
2172	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2173		2336
2174	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2175		2339
2176	=cut	2340	=cut
2177		2341
2178	sub inv_recursive_;	2342	sub inv_recursive_;
2179	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2182		2346
2183	sub inv_recursive {	2347	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2185	}	2349	}
2186		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
2187	package cf;	2379	package cf;
2188		2380
2189	=back	2381	=back
2190		2382
2191	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2200		2392
2201	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
2202		2408
2203	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2410	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
2213		2419
2214	} else {	2420	} else {
2215	my $pl = $self->contr;	2421	my $pl = $self->contr;
2216		2422
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2426
2226	} else {	2427	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2430	}
2230	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
2231	}	2442	}
2232		2443
2233	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
2234		2445
2235	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
2248		2459
2249	=item $player_object->enter_link	2460	=item $player_object->enter_link
2250		2461
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2463
2253	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2255		2468
2256	Will never block.	2469	Will never block.
2257		2470
2258	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2259		2472
…		…
2314	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
2317		2530
2318	$map->load;	2531	$map->load;
2319	$map->load_diag;	2532	$map->load_neighbours;
2320		2533
2321	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2322	$self->activate_recursive;	2536	$self->activate_recursive;
2323		2537
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2326	}	2540	}
…		…
2331	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2547	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2548	be called at the end of this process.
2335		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
		2552
2336	=cut	2553	=cut
2337		2554
2338	our $GOTOGEN;	2555	our $GOTOGEN;
2339		2556
2340	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2562
2346	$self->enter_link;	2563	$self->enter_link;
2347		2564
2348	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
2349	my $map = eval {	2587	my $map = eval {
2350	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
2351		2589
2352	if ($map) {	2590	if ($map) {
2353	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
2355	} else {	2593	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2595	}
2358		2596
2359	$map	2597	$map
2360	};	2598	};
2361		2599
…		…
2397	}	2635	}
2398		2636
2399	sub prepare_random_map {	2637	sub prepare_random_map {
2400	my ($exit) = @_;	2638	my ($exit) = @_;
2401		2639
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2642	# that depends on the exit object
2407		2643
2408	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2646	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2415	}	2653	}
2416		2654
2417	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2418		2656
2419	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2422		2660
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2663	undef $fh;
2426	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2427		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2430	}	2672	}
2431	}	2673	}
2432		2674
2433	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2435		2677
2436	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2437		2679
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2680	$self->enter_link;
2450		2681
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2682	(async {
2456	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2457	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2458	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2459		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2460	1;	2706	1
2461	}) {	2707	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2712
2467	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2741	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2742	the message unless the client supports the msg packet.
2497		2743
2498	=cut	2744	=cut
2499		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
2500	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2850
2503	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2504		2853
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
2507	if (ref $channel) {	2863	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2867	$self->ext_msg (channel_info => $channel);
2512	}	2868	}
2513		2869
2514	$channel = $channel->{id};	2870	$channel = $channel->{id};
2515	}	2871	}
2516		2872
2517	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2518		2874
2519	if ($self->can_msg) {	2875	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	2877	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		2878
2532	if ($color >= 0) {	2879	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	2880	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	2882	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2543	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2544		2898
2545	Sends an ext event to the client.	2899	Sends an ext event to the client.
2546		2900
2547	=cut	2901	=cut
2548		2902
2549	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2551		2905
2552	return unless $self->extcmd;	2906	if ($self->extcmd == 2) {
2553		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2556	}	2930	}
2557		2931
2558	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2559		2933
2560	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2616		2990
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		2992
2619	if (ref $msg) {	2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2626	} else {	3008	} else {
2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2628	}	3010	}
2629		3011
2630	cf::override;	3012	cf::override;
…		…
2677	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2679		3061
2680	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2681		3063
2682	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2683		3069
2684	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2685		3071
2686	=pod	3072	=pod
2687		3073
2688	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2689		3075
2690	cf::object	3076	cf::object
2691	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2692	insert remove	3078	insert remove name archname title slaying race decrease split
		3079	value
2693		3080
2694	cf::object::player	3081	cf::object::player
2695	player	3082	player
2696		3083
2697	cf::player	3084	cf::player
…		…
2702		3089
2703	=cut	3090	=cut
2704		3091
2705	for (	3092	for (
2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2707	insert remove)],	3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2708	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2710	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2711	) {	3099	) {
2712	no strict 'refs';	3100	no strict 'refs';
2713	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2714	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2731	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2732		3120
2733	my $qcode = $code;	3121	my $qcode = $code;
2734	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2735	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2736		3126
2737	local $_;	3127	local $_;
2738	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2739		3129
2740	my $eval =	3130	my $eval =
…		…
2788	# the server's init and main functions	3178	# the server's init and main functions
2789		3179
2790	sub load_facedata($) {	3180	sub load_facedata($) {
2791	my ($path) = @_;	3181	my ($path) = @_;
2792		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2793	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2794		3190
2795	my $facedata;	3191	my $facedata;
2796	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2797	or die "$path: $!";	3193	or die "$path: $!";
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2800		3196
2801	$facedata->{version} == 2	3197	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2804	{	3207	{
2805	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2806		3209
2807	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2809	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2813		3217
2814	cf::cede_to_tick;	3218	cf::cede_to_tick;
2815	}	3219	}
2816		3220
2817	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2819	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2820	or next;	3225	or next;
		3226
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3230	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2842		3248
2843	{	3249	{
2844	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3253
2849	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3255	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
2857		3258
2858	if ($name =~ /\.jpg$/) {	3259	if ($info->{type} & 1) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3260	# prepend meta info
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
2861	} else {	3274	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3275	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3276	}
2868		3277
2869	cf::cede_to_tick;	3278	cf::cede_to_tick;
2870	}	3279	}
2871	}	3280	}
2872		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2873	1	3284	1
2874	}	3285	}
2875		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2876	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2877	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
2879		3332
2880	for (cf::region::list) {	3333	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3334	$_->{match} = qr/$_->{match}/
…		…
2889	}	3342	}
2890		3343
2891	sub reload_archetypes {	3344	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3347	}
2900		3348
2901	sub reload_treasures {	3349	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2904	}	3352	}
2905		3353
2906	sub reload_resources {	3354	sub reload_resources {
2907	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2908		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2909	reload_regions;	3359	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3360	reload_treasures;
2914		3361
2915	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2916	}	3363	}
2917		3364
2918	sub init {	3365	sub reload_config {
2919	reload_resources;
2920	}
2921
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3367	or return;
2925		3368
2926	local $/;	3369	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2928		3371
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3373
2931	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2932	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2938	};	3381	};
2939	warn $@ if $@;	3382	warn $@ if $@;
2940	}	3383	}
2941	}	3384	}
2942		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2943	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2944	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2947	(async {	3423	(async {
2948	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2950	};	3427	};
2951		3428
2952	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2953	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2954	load_extensions;	3447	load_extensions;
2955		3448
2956	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2957	Event::loop;	3457	EV::loop;
2958	}	3458	}
2959		3459
2960	#############################################################################	3460	#############################################################################
2961	# initialisation and cleanup	3461	# initialisation and cleanup
2962		3462
2963	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2964	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2973	},
2974	);	3469	};
2975	}	3470	}
2976	}	3471	}
2977		3472
2978	sub write_runtime {	3473	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";
2980
2981	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
2983		3476
2984	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3478
2986	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
2987		3480
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2989	or return;	3482	or return;
2990		3483
2991	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3004		3497
3005	close $fh	3498	close $fh
3006	or return;	3499	or return;
3007		3500
3008	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3502	and return;
3010		3503
3011	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3012		3505
3013	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
3014	}	3557	}
3015		3558
3016	sub emergency_save() {	3559	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3018		3561
3019	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3020		3563
3021	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3022	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3578	$pl->save;
3030	}	3579	}
3031	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3032		3581
3033	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3585	$map->valid or next;
3037	$map->save;	3586	$map->save;
3038	}	3587	}
3039	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3040		3589
3041	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3043	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
3044	};	3597	};
3045		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3046	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3047	}	3605	}
3048		3606
3049	sub post_cleanup {	3607	sub post_cleanup {
3050	my ($make_core) = @_;	3608	my ($make_core) = @_;
3051		3609
3052	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3053	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3054	}	3641	}
3055		3642
3056	sub do_reload_perl() {	3643	sub do_reload_perl() {
3057	# can/must only be called in main	3644	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3060	return;	3647	return;
3061	}	3648	}
3062		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3063	warn "reloading...";	3655	warn "reloading...";
3064		3656
3065	warn "entering sync_job";	3657	warn "entering sync_job";
3066		3658
3067	cf::sync_job {	3659	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3661	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3071		3663
3072	warn "syncing database to disk";	3664	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3666
3075	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3076		3668
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3672	}
3114		3673
3115	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3117	}	3676	%EXT_CORO = ();
3118		3677
3119	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3687	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3688
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3130	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3131	}	3698	}
3132		3699
3133	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3134	}	3715	}
3135		3716
3136	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3139		3720
3140	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3143		3724
3144	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3726	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3147		3728
3148	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3149		3730
3150	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3151	require cf;	3732	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3153		3734
3154	warn "loading config and database again";	3735	warn "loading config and database again";
3155	cf::cfg_load;	3736	cf::reload_config;
3156		3737
3157	warn "loading extensions";	3738	warn "loading extensions";
3158	cf::load_extensions;	3739	cf::load_extensions;
3159		3740
		3741	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3166		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3167	warn "leaving sync_job";	3753	warn "leaving sync_job";
3168		3754
3169	1	3755	1
3170	} or do {	3756	} or do {
3171	warn $@;	3757	warn $@;
3172	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3759	};
3175		3760
3176	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3177	};	3767	};
3178		3768
3179	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3180		3770
3181	sub reload_perl() {	3771	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3184		3774
3185	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3777
3188	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3779	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3192	},	3781	};
3193	);	3782	};
3194	}	3783	}
3195		3784
3196	register_command "reload" => sub {	3785	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3198		3787
3199	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3792	reload_perl;
		3793	};
3202	}	3794	}
3203	};	3795	};
3204		3796
3205	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
3206		3798
…		…
3208		3800
3209	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3211		3803
3212	sub wait_for_tick {	3804	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3215		3806
3216	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3809	$signal->wait;
3219	}	3810	}
3220		3811
3221	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3224		3814
3225	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3817	$signal->wait;
3228	}	3818	}
3229		3819
3230	my $min = 1e6;#d#	3820	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3242	return;	3824	return;
3243	}	3825	}
3244		3826
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3248		3828
3249	0 && sync_job {#d#	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3250	for(1..10) {	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3251	my $t = Event::time;	3831	Coro::async_pool {
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3832	$Coro::current->{desc} = "runtime saver";
3253	or die;	3833	write_runtime_sync
3254		3834	or warn "ERROR: unable to write runtime file: $!";
3255	$map->width (50);
3256	$map->height (50);
3257	$map->alloc;
3258	$map->_load_objects ("/tmp/x.map", 1);
3259	my $t = Event::time - $t;
3260
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3835	};
		3836	}
3271		3837
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3839	$sig->send;
3288	}	3840	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3842	$sig->send;
3291	}	3843	}
3292		3844
3293	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3847
3304	_post_tick;	3848	if (0) {
3305		3849	if ($NEXT_TICK) {
3306		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3307	},	3854	}
3308	);	3855	}
3309		3856
3310	{	3857	{
3311	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3859
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3321		3861	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3863
3337	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3338	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3339		3871
3340	cf::sync_job {	3872	cf::sync_job {
3341	eval {	3873	eval {
3342	BDB::db_env_open	3874	BDB::db_env_open
3343	$DB_ENV,	3875	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	3879	0666;
3348		3880
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	3882	};
3354		3883
3355	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	3885	};
3357	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
3358	}	3897	}
3359		3898
3360	{	3899	{
		3900	# configure IO::AIO
		3901
3361	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	3905	}
3374		3906
3375	my $_log_backtrace;	3907	my $_log_backtrace;
3376		3908
3377	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3381		3913
3382	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3385	async {	3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
3386	my @bt = fork_call {	3921	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3390	or die "addr2line: $!";	3925	or die "addr2line: $!";
…		…
3398	}	3933	}
3399		3934
3400	@funcs	3935	@funcs
3401	};	3936	};
3402		3937
3403	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	3941	--$_log_backtrace;
3406	};	3942	};
3407	} else {	3943	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3409	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3410	}	3946	}
3411	}	3947	}
3412		3948
3413	# load additional modules	3949	# load additional modules
3414	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3415		3951
3416	END { cf::emergency_save }	3952	END { cf::emergency_save }
3417		3953
3418	1	3954	1
3419		3955

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