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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
90	our %CFG;	119	our %CFG;
91		120
92	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
94		124
95	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
98		128
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
115		150
116	mkdir $_	151	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		197
163	The raw value load value from the last tick.	198	The raw value load value from the last tick.
164		199
165	=item %cf::CFG	200	=item %cf::CFG
166		201
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	203	from wherever your confdir points to.
169		204
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		206
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		229
195	LOG llevError, $msg;	230	LOG llevError, $msg;
196	};	231	};
197	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
198		248
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	259	for my $pkg (qw(
210	cf::global cf::attachable	260	cf::global cf::attachable
211	cf::object cf::object::player	261	cf::object cf::object::player
212	cf::client cf::player	262	cf::client cf::player
213	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
214	cf::map cf::party cf::region	265	cf::party cf::region
215	)) {	266	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	268	}
219		269
220	$Event::DIED = sub {	270	$EV::DIED = sub {
221	warn "error in event callback: @_";	271	warn "error in event callback: @_";
222	};	272	};
223		273
224	#############################################################################	274	#############################################################################
225		275
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	299	$d
250	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
251	}	301	}
252		302
253	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
254		304
255	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
256		306
257	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
258		308
259	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
260		310
261	=cut	311	=cut
262		312
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		314
265	sub to_json ($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
267		331
268	=item cf::lock_wait $string	332	=item cf::lock_wait $string
269		333
270	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
271		335
272	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
273		337
274	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
277	returned.	341	returned.
278		342
279	Locks are *not* recursive, locking from the same coro twice results in a	343	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	344	deadlocked coro.
…		…
286		350
287	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
288		352
289	=cut	353	=cut
290		354
291	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		356
294	sub lock_wait($) {	357	sub lock_wait($) {
295	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	359	}
308		360
309	sub lock_acquire($) {	361	sub lock_acquire($) {
310	my ($key) = @_;	362	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	363	}
324		364
325	sub lock_active($) {	365	sub lock_active($) {
326	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	367	}
330		368
331	sub freeze_mainloop {	369	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
333		371
334	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	373	}
336	};	374
337	$TICK_WATCHER->stop;	375	=item cf::periodic $interval, $cb
338	$guard	376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
339	}	388	}
340		389
341	=item cf::get_slot $time[, $priority[, $name]]	390	=item cf::get_slot $time[, $priority[, $name]]
342		391
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
354	our @SLOT_QUEUE;	403	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	404	our $SLOT_QUEUE;
356		405
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
359	my $signal = new Coro::Signal;	410	my $signal = new Coro::Signal;
360		411
361	while () {	412	while () {
362	next_job:	413	next_job:
363	my $avail = cf::till_tick;	414	my $avail = cf::till_tick;
…		…
371	}	422	}
372	}	423	}
373	}	424	}
374		425
375	if (@SLOT_QUEUE) {	426	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	428	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	429	$signal->wait;
379	} else {	430	} else {
380	Coro::schedule;	431	Coro::schedule;
381	}	432	}
382	}	433	}
383	};	434	};
384		435
385	sub get_slot($;$$) {	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
386	my ($time, $pri, $name) = @_;	439	my ($time, $pri, $name) = @_;
387		440
388	$time = $TICK * .6 if $time > $TICK * .6;	441	$time = $TICK * .6 if $time > $TICK * .6;
389	my $sig = new Coro::Signal;	442	my $sig = new Coro::Signal;
390		443
…		…
404		457
405	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
406		459
407	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
408		461
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	462	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	463	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	465	acceptable.
413		466
414	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
…		…
420		473
421	sub sync_job(&) {	474	sub sync_job(&) {
422	my ($job) = @_;	475	my ($job) = @_;
423		476
424	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
425	my $time = Event::time;	478	my $time = EV::time;
426		479
427	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
429		482
430	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	484
432	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
433		486
434	my $busy = 1;	487	my $busy = 1;
435	my @res;	488	my @res;
436		489
437	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	492	@res = eval { $job->() };
439	warn $@ if $@;	493	warn $@ if $@;
440	undef $busy;	494	undef $busy;
441	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
442		496
443	while ($busy) {	497	while ($busy) {
444	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
445	}	502	}
		503	}
446		504
447	$time = Event::time - $time;	505	my $time = EV::time - $time;
448		506
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	507	$TICK_START += $time; # do not account sync jobs to server load
453		508
454	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
455	} else {	510	} else {
456	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
457		512
…		…
482	=item fork_call { }, $args	537	=item fork_call { }, $args
483		538
484	Executes the given code block with the given arguments in a seperate	539	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	540	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	541	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	542	never block itself or use any form of event handling.
488		543
489	=cut	544	=cut
490		545
491	sub fork_call(&@) {	546	sub fork_call(&@) {
492	my ($cb, @args) = @_;	547	my ($cb, @args) = @_;
…		…
499	reset_signals;	554	reset_signals;
500	&$cb	555	&$cb
501	}, @args;	556	}, @args;
502		557
503	wantarray ? @res : $res[-1]	558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
504	}	586	}
505		587
506	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
507		589
508	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
647		729
648	#############################################################################	730	#############################################################################
649		731
650	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
651		733
652	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
655		737
656	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	740	Deliantra).
659		741
660	=over 4	742	=over 4
661		743
662	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
663		745
…		…
707	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
708		790
709	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
711		793
712	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
713	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
714		796
715	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
716		798
717	=over 4	799	=over 4
…		…
945	}	1027	}
946		1028
947	0	1029	0
948	}	1030	}
949		1031
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1033
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1035
954	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
955		1037
…		…
961		1043
962	=cut	1044	=cut
963		1045
964	#############################################################################	1046	#############################################################################
965	# object support	1047	# object support
966	#
967		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
968	sub _can_merge {	1082	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1083	my ($ob1, $ob2) = @_;
970		1084
971	local $Storable::canonical = 1;	1085	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1086
975	$fob1 eq $fob2	1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
976	}	1089	}
977		1090
978	sub reattach {	1091	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1093	my ($obj) = @_;
981		1094
		1095	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1097
984	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
985		1099
986	@$registry = ();	1100	@$registry = ();
987		1101
…		…
1002	cf::attachable->attach (	1116	cf::attachable->attach (
1003	prio => -1000000,	1117	prio => -1000000,
1004	on_instantiate => sub {	1118	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
1006		1120
1007	$data = from_json $data;	1121	$data = decode_json $data;
1008		1122
1009	for (@$data) {	1123	for (@$data) {
1010	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
1011		1125
1012	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
1025	},	1139	},
1026	);	1140	);
1027		1141
1028	sub object_freezer_save {	1142	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
1030
1031	my $guard = cf::lock_acquire "io";
1032		1144
1033	sync_job {	1145	sync_job {
1034	if (length $$rdata) {	1146	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1147	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1038		1150
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1043	close $fh;	1155	aio_close $fh;
1044		1156
1045	if (@$objs) {	1157	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1051	close $fh;	1163	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1165	}
1054	} else {	1166	} else {
1055	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1056	}	1168	}
1057		1169
1058	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1174	} else {
1060	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1061	}	1176	}
1062	} else {	1177	} else {
1063	aio_unlink $filename;	1178	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1065	}	1180	}
1066	};	1181	};
1067
1068	undef $guard;
1069	}	1182	}
1070		1183
1071	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
1073		1186
…		…
1078		1191
1079	sub object_thawer_load {	1192	sub object_thawer_load {
1080	my ($filename) = @_;	1193	my ($filename) = @_;
1081		1194
1082	my ($data, $av);	1195	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1196
1086	(aio_load $filename, $data) >= 0	1197	(aio_load $filename, $data) >= 0
1087	or return;	1198	or return;
1088		1199
1089	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1202	or return;
1092		1203
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
1095	}	1206	}
1096		1207
1097	utf8::decode (my $decname = $filename);	1208	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1210	$decname, length $data, scalar @{$av || []};
…		…
1160	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1161		1272
1162	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1163	}	1274	}
1164		1275
		1276	use File::Glob ();
		1277
1165	cf::player->attach (	1278	cf::player->attach (
1166	on_command => sub {	1279	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1168		1281
1169	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1201		1314
1202	cf::override;	1315	cf::override;
1203	},	1316	},
1204	);	1317	);
1205		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
		1331
1206	sub load_extensions {	1332	sub load_extensions {
1207	cf::sync_job {	1333	cf::sync_job {
1208	my %todo;	1334	my %todo;
1209		1335
1210	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1355
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1358
1233	$ext{source} =	1359	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1236	. $source	1362	. $source
1237	. "\n};\n1";	1363	. "\n};\n1";
1238		1364
1239	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1257		1383
1258	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1385	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1387	}
1263		1388
1264	warn $msg;	1389	warn $msg;
1265	}	1390	}
1266		1391
…		…
1280		1405
1281	=back	1406	=back
1282		1407
1283	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1284		1409
1285	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1286		1411
1287	=cut	1412	=cut
1288		1413
1289	package cf::player;	1414	package cf::player;
1290		1415
…		…
1333		1458
1334	sub exists($) {	1459	sub exists($) {
1335	my ($login) = @_;	1460	my ($login) = @_;
1336		1461
1337	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1339	}	1464	}
1340		1465
1341	sub find($) {	1466	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1468	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1479
1355	my $f = new_from_file cf::object::thawer path $login	1480	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1481	or return;
1357		1482
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1483	my $pl = cf::player::load_pl $f
1360	or return;	1484	or return;
		1485
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1486	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1487	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1364	}	1489	}
1365	}	1490	}
…		…
1375		1500
1376	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1377		1502
1378	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1379	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
		1505
		1506	cf::get_slot 0.01;
1380		1507
1381	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1509	cf::cede_to_tick;
1383	}	1510	}
1384		1511
…		…
1416	my ($pl) = @_;	1543	my ($pl) = @_;
1417		1544
1418	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1419		1546
1420	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1421	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1422		1549
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1424	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1426	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1427		1556
1428	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1468		1597
1469	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
1470	my $path = path $login;	1599	my $path = path $login;
1471		1600
1472	# a .pst is a dead give-away for a valid player	1601	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1607	}
1478		1608
…		…
1509	}	1639	}
1510		1640
1511	\@paths	1641	\@paths
1512	}	1642	}
1513		1643
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1645
1516	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564		1647
1565	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1566		1649
1567	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1568		1651
…		…
1635	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1637		1720
1638	sub generate_random_map {	1721	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1640	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1641	$self->_create_random_map (	1727	$self->_create_random_map (
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1766		1852
1767	# the temporary/swap location	1853	# the temporary/swap location
1768	sub save_path {	1854	sub save_path {
1769	my ($self) = @_;	1855	my ($self) = @_;
1770		1856
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1773	}	1859	}
1774		1860
1775	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1776	sub uniq_path {	1862	sub uniq_path {
1777	my ($self) = @_;	1863	my ($self) = @_;
1778		1864
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	1867	}
1791		1868
1792	sub decay_objects {	1869	sub decay_objects {
1793	my ($self) = @_;	1870	my ($self) = @_;
1794		1871
…		…
1878	sub find {	1955	sub find {
1879	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1880		1957
1881	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1882		1959
1883	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1885		1962
1886	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1891	or return;	1965	or return;
1892		1966
1893	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1894		1968
…		…
1896	or return;	1970	or return;
1897		1971
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
1901	undef $guard1;	1976	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	1977	$map->reset;
1904	return find $path;	1978	return find $path;
1905	}	1979	}
1906		1980
1907	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2009	$f->skip_block;
1936	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
1937	or return;	2011	or return;
1938		2012
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1940	if delete $self->{load_original};	2014	if delete $self->{load_original};
1941		2015
1942	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2017	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
1962	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2037	$self->decay_objects;
1964	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1965	$self->update_buttons;	2039	$self->update_buttons;
1966	cf::cede_to_tick;	2040	cf::cede_to_tick;
1967	$self->set_darkness_map;
1968	cf::cede_to_tick;
1969	$self->activate;	2041	$self->activate;
1970	}	2042	}
1971		2043
1972	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1974		2046
1975	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1976	}	2048	}
1977		2049
1978	$self->post_load;	2050	$self->post_load;
1979	}	2051	}
1980		2052
…		…
2038	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2039		2111
2040	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2041		2113
2042	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2044	}	2116	}
2045		2117
2046	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2047		2119
2048	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
2049	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2125	if (my $map = find $k) {
2052	$map->load if $v;	2126	$map->load if $v;
2053	}	2127	}
…		…
2079	return if $self->{deny_save};	2153	return if $self->{deny_save};
2080		2154
2081	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2082		2156
2083	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2085	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2086		2163
2087	if ($uniq) {	2164	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2167	} else {
…		…
2099	$self->save;	2176	$self->save;
2100		2177
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2179
2103	return if $self->players;	2180	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2105	return if $self->{deny_save};	2182	return if $self->{deny_save};
2106		2183
2107	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2108		2185
2109	$self->deactivate;	2186	$self->deactivate;
…		…
2227		2304
2228	sub unique_maps() {	2305	sub unique_maps() {
2229	[	2306	[
2230	map {	2307	map {
2231	utf8::decode $_;	2308	utf8::decode $_;
2232	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2233	? normalise $_	2312	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2314	]
2237	}	2315	}
2238		2316
2239	package cf;
2240
2241	=back	2317	=back
2242		2318
2243	=head3 cf::object	2319	=head3 cf::object
2244		2320
2245	=cut	2321	=cut
…		…
2248		2324
2249	=over 4	2325	=over 4
2250		2326
2251	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2252		2328
2253	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2254		2331
2255	=cut	2332	=cut
2256		2333
2257	sub inv_recursive_;	2334	sub inv_recursive_;
2258	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2264	}	2341	}
2265		2342
2266	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2267		2344
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2345	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2346
2270	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2271		2348
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2275	=cut	2352	=cut
2276		2353
2277	sub deref {	2354	sub deref {
2278	my ($ref) = @_;	2355	my ($ref) = @_;
2279		2356
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2358	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2360	or return;
2287	$pl->ob->uuid eq $uuid	2361	$pl->ob->uuid eq $uuid
2288	or return;	2362	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2310		2384
2311	=cut	2385	=cut
2312		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
		2400
2313	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2402	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2418
2331	} else {	2419	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2422	}
2335	}	2423	}
2336	}	2424	}
2337		2425
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2451
2364	=item $player_object->enter_link	2452	=item $player_object->enter_link
2365		2453
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2455
2368	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2370		2460
2371	Will never block.	2461	Will never block.
2372		2462
2373	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2374		2464
…		…
2432		2522
2433	$map->load;	2523	$map->load;
2434	$map->load_neighbours;	2524	$map->load_neighbours;
2435		2525
2436	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2437	$self->activate_recursive;	2528	$self->activate_recursive;
2438		2529
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2441	}	2532	}
…		…
2446	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2447	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2448	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2540	be called at the end of this process.
2450		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2451	=cut	2545	=cut
2452		2546
2453	our $GOTOGEN;	2547	our $GOTOGEN;
2454		2548
2455	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2554
2461	$self->enter_link;	2555	$self->enter_link;
2462		2556
2463	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
2464	# *tag paths override both path and x|y	2560	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2561	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2563	my $ob = $obs[rand @obs];
2468		2564
…		…
2531	}	2627	}
2532		2628
2533	sub prepare_random_map {	2629	sub prepare_random_map {
2534	my ($exit) = @_;	2630	my ($exit) = @_;
2535		2631
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2634	# that depends on the exit object
2541		2635
2542	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2638	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2549	}	2645	}
2550		2646
2551	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2552		2648
2553	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2556		2652
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2655	undef $fh;
2560	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2561		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2564	}	2664	}
2565	}	2665	}
2566		2666
2567	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2569		2669
2570	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2571		2671
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2672	$self->enter_link;
2584		2673
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2674	(async {
2590	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2591	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2592	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2593		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2594	1;	2698	1
2595	}) {	2699	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2600		2704
2601	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2631		2735
2632	=cut	2736	=cut
2633		2737
		2738	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	2739	our %CHANNEL = (
2635	"c/identify" => {	2740	"c/identify" => {
2636	id => "identify",	2741	id => "infobox",
2637	title => "Identify",	2742	title => "Identify",
2638	reply => undef,	2743	reply => undef,
2639	tooltip => "Items recently identified",	2744	tooltip => "Items recently identified",
2640	},	2745	},
2641	"c/examine" => {	2746	"c/examine" => {
2642	id => "examine",	2747	id => "infobox",
2643	title => "Examine",	2748	title => "Examine",
2644	reply => undef,	2749	reply => undef,
2645	tooltip => "Signs and other items you examined",	2750	tooltip => "Signs and other items you examined",
2646	},	2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
2647	);	2826	);
2648		2827
2649	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2651		2830
2652	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2653		2833
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		2835
2656	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
2658		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
2659	if (ref $channel) {	2843	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	2848	}
2666		2849
2667	$channel = $channel->{id};	2850	$channel = $channel->{id};
2668	}	2851	}
2669		2852
2670	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2671		2854
2672	if ($self->can_msg) {
2673	# default colour, mask it out	2855	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2676		2858
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	2862	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		2863
2691	$color &= cf::NDI_COLOR_MASK;	2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
2692		2867
2693	utf8::encode $msg;	2868	# split very large packets
2694		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2695	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2696	# COMMAND/INFO	2871	$pkt = "frag";
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2704	}	2875	}
2705		2876
2706	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2707		2878
2708	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
2881	=pod	3052	=pod
2882		3053
2883	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2884		3055
2885	cf::object	3056	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3057	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3058	insert remove name archname title slaying race decrease split
		3059	value
2888		3060
2889	cf::object::player	3061	cf::object::player
2890	player	3062	player
2891		3063
2892	cf::player	3064	cf::player
…		…
2897		3069
2898	=cut	3070	=cut
2899		3071
2900	for (	3072	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3075	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2907	) {	3079	) {
2908	no strict 'refs';	3080	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2927	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2928		3100
2929	my $qcode = $code;	3101	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2932		3106
2933	local $_;	3107	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2935		3109
2936	my $eval =	3110	my $eval =
…		…
3013	{	3187	{
3014	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
3015		3189
3016	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
3018	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3022		3197
3023	cf::cede_to_tick;	3198	cf::cede_to_tick;
3024	}	3199	}
3025		3200
3026	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
3028	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
3029	or next;	3205	or next;
		3206
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3210	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3052	{	3229	{
3053	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
3056		3233
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;	3237	my $data;
3062		3238
3063	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
3064	# prepend meta info	3240	# prepend meta info
3065		3241
3066	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
3067	name => $name,	3243	name => $name,
3068	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
3069	});	3245	});
3070		3246
3071	$data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
3072	} else {	3254	} else {
3073	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
3074	}	3256	}
3075		3257
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3258	cf::cede_to_tick;
3080	}	3259	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3263
3101	1	3264	1
3102	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
3103		3286
3104	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3105	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3106		3289
3107	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3109	}	3292	}
3110	};	3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
3111		3304
3112	sub reload_regions {	3305	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3307	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3322	}
3130		3323
3131	sub reload_archetypes {	3324	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3327	}
3140		3328
3141	sub reload_treasures {	3329	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3144	}	3332	}
3145		3333
3146	sub reload_resources {	3334	sub reload_resources {
3147	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3148		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3149	reload_regions;	3339	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3340	reload_treasures;
3154		3341
3155	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3343	}
3161		3344
3162	sub reload_config {	3345	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3164	or return;	3347	or return;
3165		3348
3166	local $/;	3349	local $/;
3167	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3168		3351
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3170		3353
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3178	};	3361	};
3179	warn $@ if $@;	3362	warn $@ if $@;
3180	}	3363	}
3181	}	3364	}
3182		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
3183	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
3184	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3403	(async {
3188	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3190	};	3407	};
3191		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3192	reload_config;	3413	reload_config;
3193	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3194	load_extensions;	3427	load_extensions;
3195		3428
3196	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
3197	Event::loop;	3437	EV::loop;
3198	}	3438	}
3199		3439
3200	#############################################################################	3440	#############################################################################
3201	# initialisation and cleanup	3441	# initialisation and cleanup
3202		3442
3203	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
3204	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3213	},
3214	);	3449	};
3215	}	3450	}
3216	}	3451	}
3217		3452
3218	sub write_runtime {	3453	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";
3220
3221	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3223		3456
3224	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3458
3226	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3227		3460
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3229	or return;	3462	or return;
3230		3463
3231	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3244		3477
3245	close $fh	3478	close $fh
3246	or return;	3479	or return;
3247		3480
3248	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3482	and return;
3250		3483
3251	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3252		3485
3253	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3254	}	3537	}
3255		3538
3256	sub emergency_save() {	3539	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3258		3541
3259	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3260		3543
3261	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3262	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3558	$pl->save;
3270	}	3559	}
3271	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3272		3561
3273	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3565	$map->valid or next;
3277	$map->save;	3566	$map->save;
3278	}	3567	}
3279	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3280		3569
3281	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3284	};	3577	};
3285		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3286	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3287	}	3585	}
3288		3586
3289	sub post_cleanup {	3587	sub post_cleanup {
3290	my ($make_core) = @_;	3588	my ($make_core) = @_;
3291		3589
3292	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3294	}	3621	}
3295		3622
3296	sub do_reload_perl() {	3623	sub do_reload_perl() {
3297	# can/must only be called in main	3624	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3299	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3300	return;	3627	return;
3301	}	3628	}
3302		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3303	warn "reloading...";	3635	warn "reloading...";
3304		3636
3305	warn "entering sync_job";	3637	warn "entering sync_job";
3306		3638
3307	cf::sync_job {	3639	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3309	cf::emergency_save;	3641	cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3311		3643
3312	warn "syncing database to disk";	3644	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3314		3646
3315	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3316		3648
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3328	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();
3336
3337	warn "removing commands";
3338	%COMMAND = ();
3339
3340	warn "removing ext/exti commands";
3341	%EXTCMD = ();
3342	%EXTICMD = ();
3343
3344	warn "unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";
3347
3348	if (my $cb = $pkg->can ("unload")) {
3349	eval {
3350	$cb->($pkg);
3351	1
3352	} or warn "$pkg unloaded, but with errors: $@";
3353	}	3652	}
3354		3653
3355	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3356	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3357	}	3656	%EXT_CORO = ();
3358		3657
3359	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3360	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3363	warn "... unloading $k";	3667	warn "... unloading $pkg";
3364	delete $INC{$k};
3365		3668
3366	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;
3368
3369	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3370	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3371	}	3678	}
3372		3679
3373	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3374	}	3695	}
3375		3696
3376	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		3700
3380	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		3704
3384	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3385	# and global variables created in xs	3706	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3387		3708
3388	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3389		3710
3390	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3391	require cf;	3712	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3393		3714
3394	warn "loading config and database again";	3715	warn "loading config and database again";
3395	cf::reload_config;	3716	cf::reload_config;
3396		3717
3397	warn "loading extensions";	3718	warn "loading extensions";
3398	cf::load_extensions;	3719	cf::load_extensions;
3399		3720
		3721	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3403	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3406		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3407	warn "leaving sync_job";	3733	warn "leaving sync_job";
3408		3734
3409	1	3735	1
3410	} or do {	3736	} or do {
3411	warn $@;	3737	warn $@;
3412	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3413	exit 1;
3414	};	3739	};
3415		3740
3416	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3417	};	3747	};
3418		3748
3419	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3420		3750
3421	sub reload_perl() {	3751	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3424		3754
3425	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	3757
3428	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	3759	do_reload_perl;
3431	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3432	},	3761	};
3433	);	3762	};
3434	}	3763	}
3435		3764
3436	register_command "reload" => sub {	3765	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3438		3767
3439	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	3772	reload_perl;
		3773	};
3442	}	3774	}
3443	};	3775	};
3444		3776
3445	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3446		3778
…		…
3448		3780
3449	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3451		3783
3452	sub wait_for_tick {	3784	sub wait_for_tick {
3453	return unless $TICK_WATCHER->is_active;
3454	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3455		3786
3456	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3457	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;	3789	$signal->wait;
3459	}	3790	}
3460		3791
3461	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3462	return unless $TICK_WATCHER->is_active;
3463	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3464		3794
3465	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	3797	$signal->wait;
3468	}	3798	}
3469		3799
3470	$TICK_WATCHER = Event->timer (	3800	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3480	return;	3804	return;
3481	}	3805	}
3482		3806
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3486		3808
3487	$RUNTIME += $TICK;
3488	$NEXT_TICK += $TICK;
3489
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	3813	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3495	};
3496	}	3815	};
		3816	}
3497		3817
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	3819	$sig->send;
3500	}	3820	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3502	$sig->send;	3822	$sig->send;
3503	}	3823	}
3504		3824
3505	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		3827
3516	_post_tick;	3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3517	},	3834	}
3518	);	3835	}
3519		3836
3520	{	3837	{
		3838	# configure BDB
		3839
3521	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3522	BDB::max_poll_time $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	3842	$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		3843
3547	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		3851
3554	cf::sync_job {	3852	cf::sync_job {
3555	eval {	3853	eval {
…		…
3565		3863
3566	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	3865	};
3568	}	3866	}
3569		3867
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	3870	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	3873	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	3876	};
3600	}	3877	}
3601		3878
3602	{	3879	{
		3880	# configure IO::AIO
		3881
3603	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	3885	}
3616		3886
3617	my $_log_backtrace;	3887	my $_log_backtrace;
3618		3888
3619	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3622	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3623		3893
3624	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3626	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3627	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3628	my @bt = fork_call {	3901	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3640	}	3913	}
3641		3914
3642	@funcs	3915	@funcs
3643	};	3916	};
3644		3917
3645	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	3921	--$_log_backtrace;
3648	};	3922	};
3649	} else {	3923	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3652	}	3926	}
3653	}	3927	}
3654		3928
3655	# load additional modules	3929	# load additional modules
3656	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3657		3931
3658	END { cf::emergency_save }	3932	END { cf::emergency_save }
3659		3933
3660	1	3934	1
3661		3935

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