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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 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 off
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;	375	}
		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($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
322	};	435	}
323	$TICK_WATCHER->stop;	436	};
324	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
325	}	450	}
326		451
327	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
328		453
329	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		459
335	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
336		461
337	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
338		463
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	467	acceptable.
343		468
344	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		475
351	sub sync_job(&) {	476	sub sync_job(&) {
352	my ($job) = @_;	477	my ($job) = @_;
353		478
354	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	480	my $time = EV::time;
356		481
357	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
359		484
360	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	486
362	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
363		488
364	my $busy = 1;	489	my $busy = 1;
365	my @res;	490	my @res;
366		491
367	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	494	@res = eval { $job->() };
369	warn $@ if $@;	495	warn $@ if $@;
370	undef $busy;	496	undef $busy;
371	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
372		498
373	while ($busy) {	499	while ($busy) {
374	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
375	}	504	}
		505	}
376		506
377	$time = Event::time - $time;	507	my $time = EV::time - $time;
378		508
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
383		510
384	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
385	} else {	512	} else {
386	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
387		514
…		…
412	=item fork_call { }, $args	539	=item fork_call { }, $args
413		540
414	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
415	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
418		545
419	=cut	546	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		547
430	sub fork_call(&@) {	548	sub fork_call(&@) {
431	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
432		550
433	# 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,
434	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		554
438	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	556	reset_signals;
452	local $SIG{__WARN__};	557	&$cb
453	local $SIG{__DIE__};	558	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		559
460	eval {	560	wantarray ? @res : $res[-1]
461	close $fh1;	561	}
462		562
463	my @res = eval { $cb->(@args) };	563	=item $coin = coin_from_name $name
464		564
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	565	=cut
466	close $fh2;
467	};
468		566
469	warn $@ if $@;	567	our %coin_alias = (
470	_exit 0;	568	"silver" => "silvercoin",
471	}	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
472	}	588	}
473		589
474	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
475		591
476	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
479		595
480	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
481	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).
482		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
483	=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	}
484		622
485	our $DB;	623	our $DB;
486		624
487	sub db_init {	625	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	626	cf::sync_job {
492	eval {	627	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	628	};
502	}	629	}
503		630
504	sub db_get($$) {	631	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
506		633
…		…
556	if (1) {	683	if (1) {
557	$md5 =	684	$md5 =
558	join "\x00",	685	join "\x00",
559	$processversion,	686	$processversion,
560	map {	687	map {
561	Coro::cede;	688	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	690	} 0.. $#$src;
564		691
565		692
566	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		731
605	#############################################################################	732	#############################################################################
606		733
607	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
608		735
609	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
610	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")
611	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
612		739
613	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>
614	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
615	Crossfire TRT).	742	Deliantra).
616		743
617	=over 4	744	=over 4
618		745
619	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
620		747
…		…
664	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
665		792
666	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
667	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
668		795
669	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		798
672	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
673		800
674	=over 4	801	=over 4
…		…
902	}	1029	}
903		1030
904	0	1031	0
905	}	1032	}
906		1033
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1035
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1037
911	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
912		1039
…		…
918		1045
919	=cut	1046	=cut
920		1047
921	#############################################################################	1048	#############################################################################
922	# object support	1049	# object support
923	#
924		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#
925	sub _can_merge {	1084	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
927		1086
928	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1088
932	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
933	}	1091	}
934		1092
935	sub reattach {	1093	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1095	my ($obj) = @_;
938		1096
		1097	# no longer needed after getting rid of delete_package?
939	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
940		1099
941	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
942		1101
943	@$registry = ();	1102	@$registry = ();
944		1103
…		…
959	cf::attachable->attach (	1118	cf::attachable->attach (
960	prio => -1000000,	1119	prio => -1000000,
961	on_instantiate => sub {	1120	on_instantiate => sub {
962	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
963		1122
964	$data = from_json $data;	1123	$data = decode_json $data;
965		1124
966	for (@$data) {	1125	for (@$data) {
967	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
968		1127
969	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1144	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
987		1146
988	sync_job {	1147	sync_job {
989	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
992		1152
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
997	close $fh;	1157	aio_close $fh;
998		1158
999	if (@$objs) {	1159	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1005	close $fh;	1165	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1167	}
1008	} else {	1168	} else {
1009	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1010	}	1170	}
1011		1171
1012	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1176	} else {
1014	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1015	}	1178	}
1016	} else {	1179	} else {
1017	aio_unlink $filename;	1180	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1019	}	1182	}
1020	}	1183	};
1021	}	1184	}
1022		1185
1023	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1025		1188
…		…
1037	or return;	1200	or return;
1038		1201
1039	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1204	or return;
		1205
1042	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1043	}	1208	}
1044		1209
		1210	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1047	return ($data, $av);	1214	($data, $av)
1048	}	1215	}
1049		1216
1050	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1051		1218
1052	=over 4	1219	=over 4
…		…
1106	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1107		1274
1108	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1109	}	1276	}
1110		1277
		1278	use File::Glob ();
		1279
1111	cf::player->attach (	1280	cf::player->attach (
1112	on_command => sub {	1281	on_command => sub {
1113	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1114		1283
1115	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1125	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
1126		1295
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1297
1129	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
1135	} else {	1313	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1315	}
1138		1316
1139	cf::override;	1317	cf::override;
1140	},	1318	},
1141	);	1319	);
		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
1142		1333
1143	sub load_extensions {	1334	sub load_extensions {
1144	cf::sync_job {	1335	cf::sync_job {
1145	my %todo;	1336	my %todo;
1146		1337
…		…
1166		1357
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1360
1170	$ext{source} =	1361	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1172	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1173	. $source	1364	. $source
1174	. "\n};\n1";	1365	. "\n};\n1";
1175		1366
1176	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1192	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1193	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1194		1385
1195	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1196	warn $msg;	1387	warn $msg;
1197	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1198	exit 1;
1199	}	1389	}
1200		1390
1201	warn $msg;	1391	warn $msg;
1202	}	1392	}
1203		1393
…		…
1217		1407
1218	=back	1408	=back
1219		1409
1220	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1221		1411
1222	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1223		1413
1224	=cut	1414	=cut
1225		1415
1226	package cf::player;	1416	package cf::player;
1227		1417
1228	use Coro::AIO;	1418	use Coro::AIO;
1229		1419
1230	=head3 cf::player	1420	=head3 cf::player
1231		1421
1232	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1233		1437
1234	=item cf::player::find $login	1438	=item cf::player::find $login
1235		1439
1236	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1237		1441
…		…
1256		1460
1257	sub exists($) {	1461	sub exists($) {
1258	my ($login) = @_;	1462	my ($login) = @_;
1259		1463
1260	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1262	}	1466	}
1263		1467
1264	sub find($) {	1468	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1470	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1481
1278	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1281	}	1491	}
1282	}	1492	}
1283	}	1493	}
1284		1494
…		…
1293	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1294		1504
1295	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1297		1507
		1508	cf::get_slot 0.01;
		1509
1298	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1299	Coro::cede;	1511	cf::cede_to_tick;
1300	}	1512	}
1301		1513
1302	sub new($) {	1514	sub new($) {
1303	my ($login) = @_;	1515	my ($login) = @_;
1304		1516
…		…
1310	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1311		1523
1312	$self	1524	$self
1313	}	1525	}
1314		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1315	=item $pl->quit_character	1537	=item $pl->quit_character
1316		1538
1317	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1319		1541
…		…
1323	my ($pl) = @_;	1545	my ($pl) = @_;
1324		1546
1325	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1326		1548
1327	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1551
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1334		1558
1335	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1596	or return [];
1373		1597
1374	my @logins;	1598	my @logins;
1375		1599
1376	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1380		1610
1381	utf8::decode $login;	1611	utf8::decode $login;
1382	push @logins, $login;	1612	push @logins, $login;
1383	}	1613	}
1384		1614
…		…
1411	}	1641	}
1412		1642
1413	\@paths	1643	\@paths
1414	}	1644	}
1415		1645
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1647
1418	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1419		1649
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1467		1651
1468	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1469		1653
1470	=cut	1654	=cut
1471		1655
1472	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1474		1658
1475	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1660	}
1478		1661
1479	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1480		1663
1481	Sends an ext event to the client.	1664	Sends an ext event to the client.
1482		1665
1483	=cut	1666	=cut
1484		1667
1485	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1487		1670
1488	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1489	}	1672	}
1490		1673
1491	=head3 cf::region	1674	=head3 cf::region
1492		1675
1493	=over 4	1676	=over 4
…		…
1537	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1539		1722
1540	sub generate_random_map {	1723	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1542	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1729	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1668		1854
1669	# the temporary/swap location	1855	# the temporary/swap location
1670	sub save_path {	1856	sub save_path {
1671	my ($self) = @_;	1857	my ($self) = @_;
1672		1858
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1675	}	1861	}
1676		1862
1677	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1678	sub uniq_path {	1864	sub uniq_path {
1679	my ($self) = @_;	1865	my ($self) = @_;
1680		1866
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	1869	}
1693		1870
1694	sub decay_objects {	1871	sub decay_objects {
1695	my ($self) = @_;	1872	my ($self) = @_;
1696		1873
…		…
1709		1886
1710	sub load_header_from($) {	1887	sub load_header_from($) {
1711	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1712		1889
1713	utf8::encode $path;	1890	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1719		1899
1720	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1721		1901
1722	1	1902	1
1723	}	1903	}
…		…
1777	sub find {	1957	sub find {
1778	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1779		1959
1780	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1781		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1783		1964
1784	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1787	or return;	1967	or return;
1788		1968
1789	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1790		1970
…		…
1792	or return;	1972	or return;
1793		1973
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1797	$map->reset;	1979	$map->reset;
1798	undef $guard;
1799	return find $path;	1980	return find $path;
1800	}	1981	}
1801		1982
1802	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1803	}	1984	}
…		…
1812	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1813		1994
1814	my $path = $self->{path};	1995	my $path = $self->{path};
1815		1996
1816	{	1997	{
1817	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1818		1999
		2000	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2002
1821	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1822		2004
1823	$self->alloc;	2005	$self->alloc;
1824		2006
1825	$self->pre_load;	2007	$self->pre_load;
1826	Coro::cede;	2008	cf::cede_to_tick;
1827		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1829	or return;	2013	or return;
1830		2014
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1832	if delete $self->{load_original};	2016	if delete $self->{load_original};
1833		2017
1834	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2019	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2022	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1839	}	2026	}
1840	}	2027	}
1841		2028
1842	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1843	# now do the right thing for maps	2032	# now do the right thing for maps
1844	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2035	unless $self->difficulty;
1847	Coro::cede;	2036	cf::cede_to_tick;
1848		2037
1849	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2039	$self->decay_objects;
1851	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1852	$self->update_buttons;	2041	$self->update_buttons;
1853	Coro::cede;	2042	cf::cede_to_tick;
1854	$self->set_darkness_map;
1855	Coro::cede;
1856	$self->activate;	2043	$self->activate;
1857	}	2044	}
1858		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2050	}
1861		2051
1862	$self->post_load;	2052	$self->post_load;
1863	}	2053	}
1864		2054
…		…
1873		2063
1874	$self	2064	$self
1875	}	2065	}
1876		2066
1877	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2068	sub load_neighbours {
1879	my ($map) = @_;	2069	my ($map) = @_;
1880		2070
1881	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1882		2072
1883	for (0 .. 3) {	2073	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1885	or next;	2075	or next;
1886	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1887	or next;	2077	or next;
1888	$neigh->load;	2078	$neigh->load;
1889		2079
		2080	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2083	}
1893		2084
1894	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1896	or next;	2088	or next;
1897	$neigh->load;	2089	$neigh->load;
1898	}	2090	}
1899	}	2091	}
1900		2092
…		…
1905	}	2097	}
1906		2098
1907	sub do_load_sync {	2099	sub do_load_sync {
1908	my ($map) = @_;	2100	my ($map) = @_;
1909		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1910	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1911	}	2106	}
1912		2107
1913	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1915		2110
1916	sub find_async {	2111	sub find_async {
1917	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1918		2113
1919	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1920		2115
1921	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2118	}
1924		2119
1925	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1926	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1927	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2127	if (my $map = find $k) {
1930	$map->load;	2128	$map->load if $v;
1931	}	2129	}
1932		2130
1933	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1934	}	2132	}
1935	}	2133	}
1936	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1937	};	2135	};
1938	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1941	}	2139	}
1942		2140
1943	sub save {	2141	sub save {
1944	my ($self) = @_;	2142	my ($self) = @_;
1945		2143
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1947		2145
1948	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1949		2147
1950	return unless $self->dirty;	2148	return unless $self->dirty;
1951		2149
…		…
1957	return if $self->{deny_save};	2155	return if $self->{deny_save};
1958		2156
1959	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1960		2158
1961	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1963	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1964		2165
1965	if ($uniq) {	2166	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2169	} else {
…		…
1974	my ($self) = @_;	2175	my ($self) = @_;
1975		2176
1976	# save first because save cedes	2177	# save first because save cedes
1977	$self->save;	2178	$self->save;
1978		2179
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2181
1981	return if $self->players;	2182	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1983	return if $self->{deny_save};	2184	return if $self->{deny_save};
1984		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1985	$self->clear;	2190	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2191	}
1988		2192
1989	sub reset_at {	2193	sub reset_at {
1990	my ($self) = @_;	2194	my ($self) = @_;
1991		2195
…		…
2023	if $uniq;	2227	if $uniq;
2024	}	2228	}
2025		2229
2026	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
2027		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2234	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2235
2032	$self->unlink_save;	2236	$self->unlink_save;
2033	$self->destroy;	2237	$self->destroy;
2034	}	2238	}
2035		2239
2036	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
2037		2241
2038	sub nuke {	2242	sub nuke {
2039	my ($self) = @_;	2243	my ($self) = @_;
2040		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
2041	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2042		2249
2043	$self->unlink_save;	2250	$self->unlink_save;
2044		2251
2045	bless $self, "cf::map";	2252	bless $self, "cf::map";
2046	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2257
2051	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
2052		2260
2053	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
2054	}	2262	}
2055		2263
2056	=item $maps = cf::map::tmp_maps	2264	=item $maps = cf::map::tmp_maps
…		…
2098		2306
2099	sub unique_maps() {	2307	sub unique_maps() {
2100	[	2308	[
2101	map {	2309	map {
2102	utf8::decode $_;	2310	utf8::decode $_;
2103	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2104	? normalise $_	2314	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2316	]
2108	}	2317	}
2109		2318
2110	package cf;
2111
2112	=back	2319	=back
2113		2320
2114	=head3 cf::object	2321	=head3 cf::object
2115		2322
2116	=cut	2323	=cut
…		…
2119		2326
2120	=over 4	2327	=over 4
2121		2328
2122	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2123		2330
2124	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2125		2333
2126	=cut	2334	=cut
2127		2335
2128	sub inv_recursive_;	2336	sub inv_recursive_;
2129	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2132		2340
2133	sub inv_recursive {	2341	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2135	}	2343	}
2136		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
2137	package cf;	2373	package cf;
2138		2374
2139	=back	2375	=back
2140		2376
2141	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2150		2386
2151	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
2152		2402
2153	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2404	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
2163		2413
2164	} else {	2414	} else {
2165	my $pl = $self->contr;	2415	my $pl = $self->contr;
2166		2416
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2420
2176	} else {	2421	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2424	}
2180	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
2181	}	2436	}
2182		2437
2183	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
2184		2439
2185	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
2198		2453
2199	=item $player_object->enter_link	2454	=item $player_object->enter_link
2200		2455
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2457
2203	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2205		2462
2206	Will never block.	2463	Will never block.
2207		2464
2208	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2209		2466
…		…
2264	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2267		2524
2268	$map->load;	2525	$map->load;
2269	$map->load_diag;	2526	$map->load_neighbours;
2270		2527
2271	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2272	$self->activate_recursive;	2530	$self->activate_recursive;
2273		2531
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2276	}	2534	}
…		…
2281	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2542	be called at the end of this process.
2285		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2286	=cut	2547	=cut
2287		2548
2288	our $GOTOGEN;	2549	our $GOTOGEN;
2289		2550
2290	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2556
2296	$self->enter_link;	2557	$self->enter_link;
2297		2558
2298	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2299	my $map = eval {	2581	my $map = eval {
2300	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2301		2583
2302	if ($map) {	2584	if ($map) {
2303	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2305	} else {	2587	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2589	}
2308		2590
2309	$map	2591	$map
2310	};	2592	};
2311		2593
…		…
2347	}	2629	}
2348		2630
2349	sub prepare_random_map {	2631	sub prepare_random_map {
2350	my ($exit) = @_;	2632	my ($exit) = @_;
2351		2633
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2636	# that depends on the exit object
2357		2637
2358	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2640	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2365	}	2647	}
2366		2648
2367	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2368		2650
2369	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2372		2654
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2657	undef $fh;
2376	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2377		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2380	}	2666	}
2381	}	2667	}
2382		2668
2383	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2385		2671
2386	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2387		2673
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2674	$self->enter_link;
2400		2675
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2676	(async {
2406	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2407	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2408	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2409		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2410	1;	2700	1
2411	}) {	2701	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2706
2417	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2447		2737
2448	=cut	2738	=cut
2449		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
2450	sub cf::client::send_msg {	2830	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	2831	my ($self, $channel, $msg, $color, @extra) = @_;
2452		2832
2453	$msg = $self->pl->expand_cfpod ($msg);	2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
2454		2835
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
2457	if (ref $channel) {	2845	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	2846	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	2847	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	2848	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	2849	$self->ext_msg (channel_info => $channel);
2462	}	2850	}
2463		2851
2464	$channel = $channel->{id};	2852	$channel = $channel->{id};
2465	}	2853	}
2466		2854
2467	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2468		2856
2469	if ($self->can_msg) {	2857	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	2859	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		2860
2482	if ($color >= 0) {	2861	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	2862	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	2864	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
2493	=item $client->ext_event ($type, %msg)	2879	=item $client->ext_msg ($type, @msg)
2494		2880
2495	Sends an ext event to the client.	2881	Sends an ext event to the client.
2496		2882
2497	=cut	2883	=cut
2498		2884
2499	sub cf::client::ext_event($$%) {	2885	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	2886	my ($self, $type, @msg) = @_;
2501		2887
2502	return unless $self->extcmd;	2888	if ($self->extcmd == 2) {
2503		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	2891	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
2506	}	2912	}
2507		2913
2508	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
2509		2915
2510	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	2971	my ($ns, $buf) = @_;
2566		2972
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		2974
2569	if (ref $msg) {	2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2983	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	2984	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
2576	} else {	2990	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	2992	}
2579		2993
2580	cf::override;	2994	cf::override;
…		…
2627	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2629		3043
2630	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2631		3045
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2633		3051
2634	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2635		3053
2636	=pod	3054	=pod
2637		3055
2638	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2639		3057
2640	cf::object	3058	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3059	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3060	insert remove name archname title slaying race decrease split
		3061	value
2643		3062
2644	cf::object::player	3063	cf::object::player
2645	player	3064	player
2646		3065
2647	cf::player	3066	cf::player
…		…
2652		3071
2653	=cut	3072	=cut
2654		3073
2655	for (	3074	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2661	) {	3081	) {
2662	no strict 'refs';	3082	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2681	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2682		3102
2683	my $qcode = $code;	3103	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2686		3108
2687	local $_;	3109	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2689		3111
2690	my $eval =	3112	my $eval =
…		…
2738	# the server's init and main functions	3160	# the server's init and main functions
2739		3161
2740	sub load_facedata($) {	3162	sub load_facedata($) {
2741	my ($path) = @_;	3163	my ($path) = @_;
2742		3164
		3165	# HACK to clear player env face cache, we need some signal framework
		3166	# for this (global event?)
		3167	%ext::player_env::MUSIC_FACE_CACHE = ();
		3168
		3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3170
2743	warn "loading facedata from $path\n";	3171	warn "loading facedata from $path\n";
2744		3172
2745	my $facedata;	3173	my $facedata;
2746	0 < aio_load $path, $facedata	3174	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3175	or die "$path: $!";
…		…
2749	$facedata = Coro::Storable::thaw $facedata;	3177	$facedata = Coro::Storable::thaw $facedata;
2750		3178
2751	$facedata->{version} == 2	3179	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3181
		3182	# patch in the exptable
		3183	$facedata->{resource}{"res/exp_table"} = {
		3184	type => FT_RSRC,
		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3186	};
		3187	cf::cede_to_tick;
		3188
2754	{	3189	{
2755	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
2756		3191
2757	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
2759	cf::face::set_visibility $idx, $info->{visibility};	3195	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3196	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2763		3199
2764	cf::cede_to_tick;	3200	cf::cede_to_tick;
2765	}	3201	}
2766		3202
2767	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2769	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2770	or next;	3207	or next;
		3208
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3210	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3212	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2792		3230
2793	{	3231	{
2794	# TODO: for gcfclient pleasure, we should give resources	3232	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.	3233	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3234	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3235
2799	while (my ($name, $info) = each %$res) {	3236	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3237	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
2807		3240
2808	if ($name =~ /\.jpg$/) {	3241	if ($info->{type} & 1) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3242	# prepend meta info
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
2811	} else {	3256	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3257	$RESOURCE{$name} = $info;
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3258	}
2818		3259
2819	cf::cede_to_tick;	3260	cf::cede_to_tick;
2820	}	3261	}
2821	}	3262	}
2822		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3265
2823	1	3266	1
2824	}	3267	}
2825		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
2826	sub reload_regions {	3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
2827	load_resource_file "$MAPDIR/regions"	3312	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3313	or die "unable to load regions file\n";
2829		3314
2830	for (cf::region::list) {	3315	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3316	$_->{match} = qr/$_->{match}/
…		…
2839	}	3324	}
2840		3325
2841	sub reload_archetypes {	3326	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3327	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3328	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3329	}
2850		3330
2851	sub reload_treasures {	3331	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3332	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3333	or die "unable to load treasurelists\n";
2854	}	3334	}
2855		3335
2856	sub reload_resources {	3336	sub reload_resources {
2857	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
2858		3338
		3339	reload_facedata;
		3340	reload_archetypes;
2859	reload_regions;	3341	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3342	reload_treasures;
2864		3343
2865	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
2866	}	3345	}
2867		3346
2868	sub init {	3347	sub reload_config {
2869	reload_resources;
2870	}
2871
2872	sub cfg_load {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3349	or return;
2875		3350
2876	local $/;	3351	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2878		3353
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2880		3355
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2888	};	3363	};
2889	warn $@ if $@;	3364	warn $@ if $@;
2890	}	3365	}
2891	}	3366	}
2892		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2893	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2894	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3405	(async {
2898	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2900	};	3409	};
2901		3410
2902	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
2903	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2904	load_extensions;	3429	load_extensions;
2905		3430
2906	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2907	Event::loop;	3439	EV::loop;
2908	}	3440	}
2909		3441
2910	#############################################################################	3442	#############################################################################
2911	# initialisation and cleanup	3443	# initialisation and cleanup
2912		3444
2913	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2914	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2923	},
2924	);	3451	};
2925	}	3452	}
2926	}	3453	}
2927		3454
2928	sub write_runtime {	3455	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";
2930
2931	# first touch the runtime file to show we are still running:	3456	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3457	# the fsync below can take a very very long time.
2933		3458
2934	IO::AIO::aio_utime $runtime, undef, undef;	3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3460
2936	my $guard = cf::lock_acquire "write_runtime";	3461	my $guard = cf::lock_acquire "write_runtime";
2937		3462
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2939	or return;	3464	or return;
2940		3465
2941	my $value = $cf::RUNTIME + 90 + 10;	3466	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3467	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3468	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3478	aio_utime $fh, undef, undef;
2954		3479
2955	close $fh	3480	close $fh
2956	or return;	3481	or return;
2957		3482
2958	aio_rename "$runtime~", $runtime	3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3484	and return;
2960		3485
2961	warn "runtime file written.\n";	3486	warn "runtime file written.\n";
2962		3487
2963	1	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2964	}	3539	}
2965		3540
2966	sub emergency_save() {	3541	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2968		3543
2969	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2970		3545
2971	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2972	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3560	$pl->save;
2980	}	3561	}
2981	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2982		3563
2983	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3567	$map->valid or next;
2987	$map->save;	3568	$map->save;
2988	}	3569	}
2989	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
2990		3571
2991	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2994	};	3579	};
2995		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2996	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2997	}	3587	}
2998		3588
2999	sub post_cleanup {	3589	sub post_cleanup {
3000	my ($make_core) = @_;	3590	my ($make_core) = @_;
3001		3591
3002	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
3004	}	3623	}
3005		3624
3006	sub do_reload_perl() {	3625	sub do_reload_perl() {
3007	# can/must only be called in main	3626	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
3009	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
3010	return;	3629	return;
3011	}	3630	}
3012		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
3013	warn "reloading...";	3637	warn "reloading...";
3014		3638
3015	warn "entering sync_job";	3639	warn "entering sync_job";
3016		3640
3017	cf::sync_job {	3641	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3019	cf::emergency_save;	3643	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
3021		3645
3022	warn "syncing database to disk";	3646	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
3024		3648
3025	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
3026		3650
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
3038	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();
3046
3047	warn "removing commands";
3048	%COMMAND = ();
3049
3050	warn "removing ext/exti commands";
3051	%EXTCMD = ();
3052	%EXTICMD = ();
3053
3054	warn "unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";
3057
3058	if (my $cb = $pkg->can ("unload")) {
3059	eval {
3060	$cb->($pkg);
3061	1
3062	} or warn "$pkg unloaded, but with errors: $@";
3063	}	3654	}
3064		3655
3065	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
3066	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
3067	}	3658	%EXT_CORO = ();
3068		3659
3069	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
3070	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
3073	warn "... unloading $k";	3669	warn "... unloading $pkg";
3074	delete $INC{$k};
3075		3670
3076	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;
3078
3079	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
3080	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
3081	}	3680	}
3082		3681
3083	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
3084	}	3697	}
3085		3698
3086	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3702
3090	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		3706
3094	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3708	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
3097		3710
3098	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
3099		3712
3100	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
3101	require cf;	3714	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3103		3716
3104	warn "loading config and database again";	3717	warn "loading config and database again";
3105	cf::cfg_load;	3718	cf::reload_config;
3106		3719
3107	warn "loading extensions";	3720	warn "loading extensions";
3108	cf::load_extensions;	3721	cf::load_extensions;
3109		3722
		3723	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
3116		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
3117	warn "leaving sync_job";	3735	warn "leaving sync_job";
3118		3736
3119	1	3737	1
3120	} or do {	3738	} or do {
3121	warn $@;	3739	warn $@;
3122	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
3123	exit 1;
3124	};	3741	};
3125		3742
3126	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
3127	};	3749	};
3128		3750
3129	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
3130		3752
3131	sub reload_perl() {	3753	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
3134		3756
3135	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	3759
3138	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	3761	do_reload_perl;
3141	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
3142	},	3763	};
3143	);	3764	};
3144	}	3765	}
3145		3766
3146	register_command "reload" => sub {	3767	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
3148		3769
3149	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
		3772	async {
		3773	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	3774	reload_perl;
		3775	};
3152	}	3776	}
3153	};	3777	};
3154		3778
3155	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
3156		3780
…		…
3158		3782
3159	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
3161		3785
3162	sub wait_for_tick {	3786	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
3165		3788
3166	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	3791	$signal->wait;
3169	}	3792	}
3170		3793
3171	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3174		3796
3175	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	3799	$signal->wait;
3178	}	3800	}
3179		3801
3180	my $min = 1e6;#d#	3802	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
3192	return;	3806	return;
3193	}	3807	}
3194		3808
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
3198		3810
3199	0 && sync_job {#d#	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	3813	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3814	$Coro::current->{desc} = "runtime saver";
3203	or die;	3815	write_runtime_sync
3204		3816	or warn "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	3817	};
		3818	}
3221		3819
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	3821	$sig->send;
3238	}	3822	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	3824	$sig->send;
3241	}	3825	}
3242		3826
3243	$NOW = Event::time;	3827	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		3829
3254	_post_tick;	3830	if (0) {
3255		3831	if ($NEXT_TICK) {
3256		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
3257	},	3836	}
3258	);	3837	}
3259		3838
3260	{	3839	{
3261	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	3841
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
3271		3843	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		3845
3287	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		3853
3290	cf::sync_job {	3854	cf::sync_job {
3291	eval {	3855	eval {
3292	BDB::db_env_open	3856	BDB::db_env_open
3293	$DB_ENV,	3857	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	3861	0666;
3298		3862
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	3864	};
3304		3865
3305	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	3867	};
3307	}	3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
3308	}	3879	}
3309		3880
3310	{	3881	{
		3882	# configure IO::AIO
		3883
3311	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	3887	}
3324		3888
3325	my $_log_backtrace;	3889	my $_log_backtrace;
3326		3890
3327	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
3330	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
3331		3895
3332	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3335	async {	3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
3336	my @bt = fork_call {	3903	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	3907	or die "addr2line: $!";
…		…
3348	}	3915	}
3349		3916
3350	@funcs	3917	@funcs
3351	};	3918	};
3352		3919
3353	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	3923	--$_log_backtrace;
3356	};	3924	};
3357	} else {	3925	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3360	}	3928	}
3361	}	3929	}
3362		3930
3363	# load additional modules	3931	# load additional modules
3364	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3365		3933
3366	END { cf::emergency_save }	3934	END { cf::emergency_save }
3367		3935
3368	1	3936	1
3369		3937

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