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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.369 by root, Thu Sep 13 08:35:25 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;	112	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	115	our $DB_ENV;
88		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
89	our %CFG;	119	our %CFG;
90		120
91	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
93		124
94	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
97		128
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		131
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
103	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
104		140
105	binmode STDOUT;	141	binmode STDOUT;
106	binmode STDERR;	142	binmode STDERR;
107		143
108	# read virtual server time, if available	144	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
113	}	149	}
114		150
115	mkdir $_	151	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
161		197
162	The raw value load value from the last tick.	198	The raw value load value from the last tick.
163		199
164	=item %cf::CFG	200	=item %cf::CFG
165		201
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	203	from wherever your confdir points to.
168		204
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		206
171	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
…		…
192	$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;
193		229
194	LOG llevError, $msg;	230	LOG llevError, $msg;
195	};	231	};
196	}	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#?
197		248
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	259	for my $pkg (qw(
209	cf::global cf::attachable	260	cf::global cf::attachable
210	cf::object cf::object::player	261	cf::object cf::object::player
211	cf::client cf::player	262	cf::client cf::player
212	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
213	cf::map cf::party cf::region	265	cf::party cf::region
214	)) {	266	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	268	}
218		269
219	$Event::DIED = sub {	270	$EV::DIED = sub {
220	warn "error in event callback: @_";	271	warn "error in event callback: @_";
221	};	272	};
222		273
223	#############################################################################	274	#############################################################################
224		275
…		…
247	$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;
248	$d	299	$d
249	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
250	}	301	}
251		302
252	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
253		304
254	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
255		306
256	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
257		308
258	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
259		310
260	=cut	311	=cut
261		312
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		314
264	sub to_json ($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		331
267	=item cf::lock_wait $string	332	=item cf::lock_wait $string
268		333
269	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
270		335
271	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
272		337
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
276	returned.	341	returned.
277		342
278	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
279	deadlocked coro.	344	deadlocked coro.
…		…
285		350
286	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.
287		352
288	=cut	353	=cut
289		354
290	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		356
293	sub lock_wait($) {	357	sub lock_wait($) {
294	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	359	}
307		360
308	sub lock_acquire($) {	361	sub lock_acquire($) {
309	my ($key) = @_;	362	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	363	}
323		364
324	sub lock_active($) {	365	sub lock_active($) {
325	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	367	}
329		368
330	sub freeze_mainloop {	369	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
332		371
333	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	373	}
335	};	374
336	$TICK_WATCHER->stop;	375	=item cf::periodic $interval, $cb
337	$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($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
338	}	388	}
339		389
340	=item cf::get_slot $time[, $priority[, $name]]	390	=item cf::get_slot $time[, $priority[, $name]]
341		391
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
353	our @SLOT_QUEUE;	403	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	404	our $SLOT_QUEUE;
355		405
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
358	my $signal = new Coro::Signal;	410	my $signal = new Coro::Signal;
359		411
360	while () {	412	while () {
361	next_job:	413	next_job:
362	my $avail = cf::till_tick;	414	my $avail = cf::till_tick;
…		…
370	}	422	}
371	}	423	}
372	}	424	}
373		425
374	if (@SLOT_QUEUE) {	426	if (@SLOT_QUEUE) {
375	# we do not use wait_For_tick() as it returns immediately when tick is inactive	427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
376	push @cf::WAIT_FOR_TICK, $signal;	428	push @cf::WAIT_FOR_TICK, $signal;
377	$signal->wait;	429	$signal->wait;
378	} else {	430	} else {
379	Coro::schedule;	431	Coro::schedule;
380	}	432	}
381	}	433	}
382	};	434	};
383		435
384	sub get_slot($;$$) {	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
385	my ($time, $pri, $name) = @_;	439	my ($time, $pri, $name) = @_;
386		440
387	$time = $TICK * .6 if $time > $TICK * .6;	441	$time = $TICK * .6 if $time > $TICK * .6;
388	my $sig = new Coro::Signal;	442	my $sig = new Coro::Signal;
389		443
…		…
403		457
404	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
405		459
406	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
407		461
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	462	The design of Deliantra requires that the main coroutine ($Coro::main)
409	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
410	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
411	acceptable.	465	acceptable.
412		466
413	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
414	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
…		…
419		473
420	sub sync_job(&) {	474	sub sync_job(&) {
421	my ($job) = @_;	475	my ($job) = @_;
422		476
423	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
424	my $time = Event::time;	478	my $time = EV::time;
425		479
426	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
428		482
429	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	484
431	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
432		486
433	my $busy = 1;	487	my $busy = 1;
434	my @res;	488	my @res;
435		489
436	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	492	@res = eval { $job->() };
438	warn $@ if $@;	493	warn $@ if $@;
439	undef $busy;	494	undef $busy;
440	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
441		496
442	while ($busy) {	497	while ($busy) {
443	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
444	}	502	}
		503	}
445		504
446	$time = Event::time - $time;	505	my $time = EV::time - $time;
447		506
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	507	$TICK_START += $time; # do not account sync jobs to server load
452		508
453	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
454	} else {	510	} else {
455	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
456		512
…		…
481	=item fork_call { }, $args	537	=item fork_call { }, $args
482		538
483	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
484	process, returning the results. Everything must be serialisable with	540	process, returning the results. Everything must be serialisable with
485	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
486	never block itself or use any form of Event handling.	542	never block itself or use any form of event handling.
487		543
488	=cut	544	=cut
489		545
490	sub fork_call(&@) {	546	sub fork_call(&@) {
491	my ($cb, @args) = @_;	547	my ($cb, @args) = @_;
…		…
498	reset_signals;	554	reset_signals;
499	&$cb	555	&$cb
500	}, @args;	556	}, @args;
501		557
502	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
503	}	586	}
504		587
505	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
506		589
507	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
646		729
647	#############################################################################	730	#############################################################################
648		731
649	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
650		733
651	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
652	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")
653	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
654		737
655	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>
656	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
657	Crossfire TRT).	740	Deliantra).
658		741
659	=over 4	742	=over 4
660		743
661	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
662		745
…		…
706	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
707		790
708	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
709	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
710		793
711	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		796
714	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
715		798
716	=over 4	799	=over 4
…		…
944	}	1027	}
945		1028
946	0	1029	0
947	}	1030	}
948		1031
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1033
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1035
953	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
954		1037
…		…
960		1043
961	=cut	1044	=cut
962		1045
963	#############################################################################	1046	#############################################################################
964	# object support	1047	# object support
965	#
966		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#
967	sub _can_merge {	1082	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1083	my ($ob1, $ob2) = @_;
969		1084
970	local $Storable::canonical = 1;	1085	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1086
974	$fob1 eq $fob2	1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
975	}	1089	}
976		1090
977	sub reattach {	1091	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1093	my ($obj) = @_;
980		1094
		1095	# no longer needed after getting rid of delete_package?
981	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
982		1097
983	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
984		1099
985	@$registry = ();	1100	@$registry = ();
986		1101
…		…
1001	cf::attachable->attach (	1116	cf::attachable->attach (
1002	prio => -1000000,	1117	prio => -1000000,
1003	on_instantiate => sub {	1118	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
1005		1120
1006	$data = from_json $data;	1121	$data = decode_json $data;
1007		1122
1008	for (@$data) {	1123	for (@$data) {
1009	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
1010		1125
1011	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
1024	},	1139	},
1025	);	1140	);
1026		1141
1027	sub object_freezer_save {	1142	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
1029
1030	my $guard = cf::lock_acquire "io";
1031		1144
1032	sync_job {	1145	sync_job {
1033	if (length $$rdata) {	1146	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1147	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1037		1150
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1042	close $fh;	1155	aio_close $fh;
1043		1156
1044	if (@$objs) {	1157	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1049	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1050	close $fh;	1163	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1165	}
1053	} else {	1166	} else {
1054	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1055	}	1168	}
1056		1169
1057	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1174	} else {
1059	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1060	}	1176	}
1061	} else {	1177	} else {
1062	aio_unlink $filename;	1178	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1064	}	1180	}
1065	};	1181	};
1066
1067	undef $guard;
1068	}	1182	}
1069		1183
1070	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
1072		1186
…		…
1077		1191
1078	sub object_thawer_load {	1192	sub object_thawer_load {
1079	my ($filename) = @_;	1193	my ($filename) = @_;
1080		1194
1081	my ($data, $av);	1195	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1196
1085	(aio_load $filename, $data) >= 0	1197	(aio_load $filename, $data) >= 0
1086	or return;	1198	or return;
1087		1199
1088	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1202	or return;
1091		1203
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
1094	}	1206	}
1095		1207
1096	utf8::decode (my $decname = $filename);	1208	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1210	$decname, length $data, scalar @{$av || []};
…		…
1159	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1160		1272
1161	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1162	}	1274	}
1163		1275
		1276	use File::Glob ();
		1277
1164	cf::player->attach (	1278	cf::player->attach (
1165	on_command => sub {	1279	on_command => sub {
1166	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1167		1281
1168	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1200		1314
1201	cf::override;	1315	cf::override;
1202	},	1316	},
1203	);	1317	);
1204		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
1205	sub load_extensions {	1332	sub load_extensions {
1206	cf::sync_job {	1333	cf::sync_job {
1207	my %todo;	1334	my %todo;
1208		1335
1209	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1228		1355
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1358
1232	$ext{source} =	1359	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1235	. $source	1362	. $source
1236	. "\n};\n1";	1363	. "\n};\n1";
1237		1364
1238	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1256		1383
1257	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1385	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1387	}
1262		1388
1263	warn $msg;	1389	warn $msg;
1264	}	1390	}
1265		1391
…		…
1279		1405
1280	=back	1406	=back
1281		1407
1282	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1283		1409
1284	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1285		1411
1286	=cut	1412	=cut
1287		1413
1288	package cf::player;	1414	package cf::player;
1289		1415
…		…
1332		1458
1333	sub exists($) {	1459	sub exists($) {
1334	my ($login) = @_;	1460	my ($login) = @_;
1335		1461
1336	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1338	}	1464	}
1339		1465
1340	sub find($) {	1466	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1468	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1479
1354	my $f = new_from_file cf::object::thawer path $login	1480	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1481	or return;
1356		1482
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1483	my $pl = cf::player::load_pl $f
1359	or return;	1484	or return;
		1485
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1486	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1487	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1363	}	1489	}
1364	}	1490	}
…		…
1374		1500
1375	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1376		1502
1377	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
		1505
		1506	cf::get_slot 0.01;
1379		1507
1380	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1509	cf::cede_to_tick;
1382	}	1510	}
1383		1511
…		…
1415	my ($pl) = @_;	1543	my ($pl) = @_;
1416		1544
1417	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1418		1546
1419	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1420	$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
1421		1549
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1426		1556
1427	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1597
1468	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
1469	my $path = path $login;	1599	my $path = path $login;
1470		1600
1471	# a .pst is a dead give-away for a valid player	1601	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1607	}
1477		1608
…		…
1508	}	1639	}
1509		1640
1510	\@paths	1641	\@paths
1511	}	1642	}
1512		1643
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1645
1515	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1647
1564	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1565		1649
1566	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1567		1651
…		…
1634	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1636		1720
1637	sub generate_random_map {	1721	sub generate_random_map {
1638	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
1639	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1727	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1765		1852
1766	# the temporary/swap location	1853	# the temporary/swap location
1767	sub save_path {	1854	sub save_path {
1768	my ($self) = @_;	1855	my ($self) = @_;
1769		1856
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1772	}	1859	}
1773		1860
1774	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1775	sub uniq_path {	1862	sub uniq_path {
1776	my ($self) = @_;	1863	my ($self) = @_;
1777		1864
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	1867	}
1790		1868
1791	sub decay_objects {	1869	sub decay_objects {
1792	my ($self) = @_;	1870	my ($self) = @_;
1793		1871
…		…
1877	sub find {	1955	sub find {
1878	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1879		1957
1880	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1881		1959
1882	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1962
1885	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1890	or return;	1965	or return;
1891		1966
1892	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1893		1968
…		…
1895	or return;	1970	or return;
1896		1971
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
1900	undef $guard1;	1976	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	1977	$map->reset;
1903	return find $path;	1978	return find $path;
1904	}	1979	}
1905		1980
1906	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2009	$f->skip_block;
1935	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
1936	or return;	2011	or return;
1937		2012
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1939	if delete $self->{load_original};	2014	if delete $self->{load_original};
1940		2015
1941	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2017	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2037	$self->decay_objects;
1963	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1964	$self->update_buttons;	2039	$self->update_buttons;
1965	cf::cede_to_tick;	2040	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2041	$self->activate;
1969	}	2042	}
1970		2043
1971	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1973		2046
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2048	}
1976		2049
1977	$self->post_load;	2050	$self->post_load;
1978	}	2051	}
1979		2052
…		…
2037	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2038		2111
2039	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2040		2113
2041	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2116	}
2044		2117
2045	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2046		2119
2047	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
2048	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2125	if (my $map = find $k) {
2051	$map->load if $v;	2126	$map->load if $v;
2052	}	2127	}
…		…
2078	return if $self->{deny_save};	2153	return if $self->{deny_save};
2079		2154
2080	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2081		2156
2082	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2084	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2085		2163
2086	if ($uniq) {	2164	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2167	} else {
…		…
2098	$self->save;	2176	$self->save;
2099		2177
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2179
2102	return if $self->players;	2180	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2104	return if $self->{deny_save};	2182	return if $self->{deny_save};
2105		2183
2106	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2107		2185
2108	$self->deactivate;	2186	$self->deactivate;
…		…
2226		2304
2227	sub unique_maps() {	2305	sub unique_maps() {
2228	[	2306	[
2229	map {	2307	map {
2230	utf8::decode $_;	2308	utf8::decode $_;
2231	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2232	? normalise $_	2312	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2314	]
2236	}	2315	}
2237		2316
2238	package cf;
2239
2240	=back	2317	=back
2241		2318
2242	=head3 cf::object	2319	=head3 cf::object
2243		2320
2244	=cut	2321	=cut
…		…
2247		2324
2248	=over 4	2325	=over 4
2249		2326
2250	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2251		2328
2252	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.
2253		2331
2254	=cut	2332	=cut
2255		2333
2256	sub inv_recursive_;	2334	sub inv_recursive_;
2257	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2263	}	2341	}
2264		2342
2265	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2266		2344
2267	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.
2268		2346
2269	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2270		2348
2271	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,
2272	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2274	=cut	2352	=cut
2275		2353
2276	sub deref {	2354	sub deref {
2277	my ($ref) = @_;	2355	my ($ref) = @_;
2278		2356
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2358	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2360	or return;
2286	$pl->ob->uuid eq $uuid	2361	$pl->ob->uuid eq $uuid
2287	or return;	2362	or return;
…		…
2307	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
2308	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2309		2384
2310	=cut	2385	=cut
2311		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
2312	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2402	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2418
2330	} else {	2419	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2422	}
2334	}	2423	}
2335	}	2424	}
2336		2425
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2451
2363	=item $player_object->enter_link	2452	=item $player_object->enter_link
2364		2453
2365	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}>).
2366		2455
2367	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.
2368	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.
2369		2460
2370	Will never block.	2461	Will never block.
2371		2462
2372	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2373		2464
…		…
2431		2522
2432	$map->load;	2523	$map->load;
2433	$map->load_neighbours;	2524	$map->load_neighbours;
2434		2525
2435	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2436	$self->activate_recursive;	2528	$self->activate_recursive;
2437		2529
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2440	}	2532	}
…		…
2445	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	be called at the end of this process.	2540	be called at the end of this process.
2449		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
2450	=cut	2545	=cut
2451		2546
2452	our $GOTOGEN;	2547	our $GOTOGEN;
2453		2548
2454	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2554
2460	$self->enter_link;	2555	$self->enter_link;
2461		2556
2462	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
2463	# *tag paths override both path and x|y	2560	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2561	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2563	my $ob = $obs[rand @obs];
2467		2564
…		…
2530	}	2627	}
2531		2628
2532	sub prepare_random_map {	2629	sub prepare_random_map {
2533	my ($exit) = @_;	2630	my ($exit) = @_;
2534		2631
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2634	# that depends on the exit object
2540		2635
2541	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2638	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2548	}	2645	}
2549		2646
2550	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2551		2648
2552	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2555		2652
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2655	undef $fh;
2559	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2560		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2563	}	2664	}
2564	}	2665	}
2565		2666
2566	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2568		2669
2569	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2570		2671
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2672	$self->enter_link;
2583		2673
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2674	(async {
2589	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2590	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
2591	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2592		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
2593	1;	2698	1
2594	}) {	2699	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "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. "
2597	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2599		2704
2600	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2630		2735
2631	=cut	2736	=cut
2632		2737
		2738	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	2739	our %CHANNEL = (
2634	"c/identify" => {	2740	"c/identify" => {
2635	id => "identify",	2741	id => "infobox",
2636	title => "Identify",	2742	title => "Identify",
2637	reply => undef,	2743	reply => undef,
2638	tooltip => "Items recently identified",	2744	tooltip => "Items recently identified",
2639	},	2745	},
2640	"c/examine" => {	2746	"c/examine" => {
2641	id => "examine",	2747	id => "infobox",
2642	title => "Examine",	2748	title => "Examine",
2643	reply => undef,	2749	reply => undef,
2644	tooltip => "Signs and other items you examined",	2750	tooltip => "Signs and other items you examined",
2645	},	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" => $CHAT_CHANNEL,
2646	);	2826	);
2647		2827
2648	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2649	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2650		2830
2651	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2652		2833
2653	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2654		2835
2655	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
2657		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
2658	if (ref $channel) {	2843	} elsif (ref $channel) {
2659	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2660	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2661	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2662	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2663	if $self->can_msg;
2664	}	2848	}
2665		2849
2666	$channel = $channel->{id};	2850	$channel = $channel->{id};
2667	}	2851	}
2668		2852
2669	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2670		2854
2671	if ($self->can_msg) {
2672	# default colour, mask it out	2855	# default colour, mask it out
2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2675		2858
2676	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2678	} else {	2862	);
2679	if ($color >= 0) {
2680	# replace some tags by gcfclient-compatible ones
2681	for ($msg) {
2682	1 while
2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688	}
2689		2863
2690	$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};
2691		2867
2692	utf8::encode $msg;	2868	# split very large packets
2693		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2694	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2695	# COMMAND/INFO	2871	$pkt = "frag";
2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
2697	} else {
2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699	$self->send_packet ("drawinfo $color $msg")
2700	}
2701	}
2702	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2703	}	2875	}
2704		2876
2705	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2706		2878
2707	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
2880	=pod	3052	=pod
2881		3053
2882	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2883		3055
2884	cf::object	3056	cf::object
2885	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
2886	insert remove name archname title slaying race decrease_ob_nr	3058	insert remove name archname title slaying race decrease split
		3059	value
2887		3060
2888	cf::object::player	3061	cf::object::player
2889	player	3062	player
2890		3063
2891	cf::player	3064	cf::player
…		…
2896		3069
2897	=cut	3070	=cut
2898		3071
2899	for (	3072	for (
2900	["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
2901	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
2902	decrease_ob_nr)],	3075	decrease split destroy change_exp value msg lore send_msg)],
2903	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2904	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2905	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2906	) {	3079	) {
2907	no strict 'refs';	3080	no strict 'refs';
2908	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2926	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2927		3100
2928	my $qcode = $code;	3101	my $qcode = $code;
2929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2930	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2931		3106
2932	local $_;	3107	local $_;
2933	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2934		3109
2935	my $eval =	3110	my $eval =
…		…
3012	{	3187	{
3013	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
3014		3189
3015	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
3017	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
3018	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
3019	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};
3020	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 $info->{data64};
3021		3197
3022	cf::cede_to_tick;	3198	cf::cede_to_tick;
3023	}	3199	}
3024		3200
3025	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
3026	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
3027	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
3028	or next;	3205	or next;
		3206
3029	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
3030	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032	} else {	3210	} else {
3033	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3051	{	3229	{
3052	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
3053	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
3054	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
3055		3233
3056	my $soundconf = delete $res->{"res/sound.conf"};
3057
3058	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060	my $data;	3237	my $data;
3061		3238
3062	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
3063	# prepend meta info	3240	# prepend meta info
3064		3241
3065	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
3066	name => $name,	3243	name => $name,
3067	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
3068	});	3245	});
3069		3246
3070	$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};
3071	} else {	3254	} else {
3072	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
3073	}	3256	}
3074		3257
3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076	cf::face::set_type $idx, $info->{type};
3077
3078	cf::cede_to_tick;	3258	cf::cede_to_tick;
3079	}	3259	}
3080
3081	if ($soundconf) {
3082	$soundconf = $enc->decode (delete $soundconf->{data});
3083
3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085	my $sound = $soundconf->{compat}[$_]
3086	or next;
3087
3088	my $face = cf::face::find "sound/$sound->[1]";
3089	cf::sound::set $sound->[0] => $face;
3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091	}
3092
3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
3094	my $face = cf::face::find "sound/$v";
3095	cf::sound::set $k => $face;
3096	}
3097	}
3098	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3099		3263
3100	1	3264	1
3101	}	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 => $face;
		3283	}
		3284	}
		3285	});
3102		3286
3103	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3104	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3105		3289
3106	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3107	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3108	}	3292	}
3109	};	3293	};
		3294
		3295	sub load_resource_file($) {
		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	$status
		3303	}
3110		3304
3111	sub reload_regions {	3305	sub reload_regions {
3112	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3113	# for this (global event?)	3307	# for this (global event?)
3114	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3128	}	3322	}
3129		3323
3130	sub reload_archetypes {	3324	sub reload_archetypes {
3131	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3132	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3133	#d# NEED to laod twice to resolve forward references
3134	# this really needs to be done in an extra post-pass
3135	# (which needs to be synchronous, so solve it differently)
3136	load_resource_file "$DATADIR/archetypes"
3137	or die "unable to load archetypes\n";
3138	}	3327	}
3139		3328
3140	sub reload_treasures {	3329	sub reload_treasures {
3141	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3142	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3143	}	3332	}
3144		3333
3145	sub reload_resources {	3334	sub reload_resources {
3146	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3147		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3148	reload_regions;	3339	reload_regions;
3149	reload_facedata;
3150	#reload_archetypes;#d#
3151	reload_archetypes;
3152	reload_treasures;	3340	reload_treasures;
3153		3341
3154	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3155	}
3156
3157	sub init {
3158	reload_resources;
3159	}	3343	}
3160		3344
3161	sub reload_config {	3345	sub reload_config {
3162	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3163	or return;	3347	or return;
3164		3348
3165	local $/;	3349	local $/;
3166	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3167		3351
3168	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3169		3353
3170	$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};
3171	$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};
…		…
3177	};	3361	};
3178	warn $@ if $@;	3362	warn $@ if $@;
3179	}	3363	}
3180	}	3364	}
3181		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
3182	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
3183	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3184	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3185	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#
3186	(async {	3403	(async {
3187	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
3188	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3189	};	3407	};
3190		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3191	reload_config;	3413	reload_config;
3192	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
3193	load_extensions;	3427	load_extensions;
3194		3428
3195	$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
3196	Event::loop;	3437	EV::loop;
3197	}	3438	}
3198		3439
3199	#############################################################################	3440	#############################################################################
3200	# initialisation and cleanup	3441	# initialisation and cleanup
3201		3442
3202	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
3203	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
3204	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
3205	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	signal => $signal,
3209	prio => 0,
3210	cb => sub {
3211	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3212	},
3213	);	3449	};
3214	}	3450	}
3215	}	3451	}
3216		3452
3217	sub write_runtime {	3453	sub write_runtime_sync {
3218	my $runtime = "$LOCALDIR/runtime";
3219
3220	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3221	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3222		3456
3223	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3224		3458
3225	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3226		3460
3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3228	or return;	3462	or return;
3229		3463
3230	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3231	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3232	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3242	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3243		3477
3244	close $fh	3478	close $fh
3245	or return;	3479	or return;
3246		3480
3247	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3248	and return;	3482	and return;
3249		3483
3250	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3251		3485
3252	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 };
3253	}	3537	}
3254		3538
3255	sub emergency_save() {	3539	sub emergency_save() {
3256	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3257		3541
3258	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3259		3543
3260	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
3261	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3262	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3263	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3264	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3265	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3266	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3267	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3268	$pl->save;	3558	$pl->save;
3269	}	3559	}
3270	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3271		3561
3272	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3273	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3274	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3275	$map->valid or next;	3565	$map->valid or next;
3276	$map->save;	3566	$map->save;
3277	}	3567	}
3278	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3279		3569
3280	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3281	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3282	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3283	};	3577	};
3284		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3285	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3286	}	3585	}
3287		3586
3288	sub post_cleanup {	3587	sub post_cleanup {
3289	my ($make_core) = @_;	3588	my ($make_core) = @_;
3290		3589
3291	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3292	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#
3293	}	3621	}
3294		3622
3295	sub do_reload_perl() {	3623	sub do_reload_perl() {
3296	# can/must only be called in main	3624	# can/must only be called in main
3297	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3298	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3299	return;	3627	return;
3300	}	3628	}
3301		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3302	warn "reloading...";	3635	warn "reloading...";
3303		3636
3304	warn "entering sync_job";	3637	warn "entering sync_job";
3305		3638
3306	cf::sync_job {	3639	cf::sync_job {
3307	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3308	cf::emergency_save;	3641	cf::emergency_save;
3309	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3310		3643
3311	warn "syncing database to disk";	3644	warn "syncing database to disk";
3312	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3313		3646
3314	# 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
3315		3648
3316	warn "cancelling all WF_AUTOCANCEL watchers";
3317	for (Event::all_watchers) {
3318	$_->cancel if $_->data & WF_AUTOCANCEL;
3319	}
3320
3321	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3322	for (;;) {
3323	BDB::flush;
3324	IO::AIO::flush;
3325	Coro::cede;
3326	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3327	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3328	}
3329
3330	++$RELOAD;
3331
3332	warn "cancelling all extension coros";
3333	$_->cancel for values %EXT_CORO;
3334	%EXT_CORO = ();
3335
3336	warn "removing commands";
3337	%COMMAND = ();
3338
3339	warn "removing ext/exti commands";
3340	%EXTCMD = ();
3341	%EXTICMD = ();
3342
3343	warn "unloading/nuking all extensions";
3344	for my $pkg (@EXTS) {
3345	warn "... unloading $pkg";
3346
3347	if (my $cb = $pkg->can ("unload")) {
3348	eval {
3349	$cb->($pkg);
3350	1
3351	} or warn "$pkg unloaded, but with errors: $@";
3352	}	3652	}
3353		3653
3354	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3355	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3356	}	3656	%EXT_CORO = ();
3357		3657
3358	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3359	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3361		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3362	warn "... unloading $k";	3667	warn "... unloading $pkg";
3363	delete $INC{$k};
3364		3668
3365	$k =~ s/\.pm$//;
3366	$k =~ s/\//::/g;
3367
3368	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3369	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3370	}	3678	}
3371		3679
3372	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;
3373	}	3695	}
3374		3696
3375	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3376	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3377	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);
3378		3700
3379	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3380	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3381	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3382		3704
3383	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3384	# and global variables created in xs	3706	# and global variables created in xs
3385	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3386		3708
3387	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3388		3710
3389	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3390	require cf;	3712	require cf;
3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3392		3714
3393	warn "loading config and database again";	3715	warn "loading config and database again";
3394	cf::reload_config;	3716	cf::reload_config;
3395		3717
3396	warn "loading extensions";	3718	warn "loading extensions";
3397	cf::load_extensions;	3719	cf::load_extensions;
3398		3720
		3721	if ($REATTACH_ON_RELOAD) {
3399	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3400	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3401	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3402	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3403	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3404	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3405		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3406	warn "leaving sync_job";	3733	warn "leaving sync_job";
3407		3734
3408	1	3735	1
3409	} or do {	3736	} or do {
3410	warn $@;	3737	warn $@;
3411	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3412	exit 1;
3413	};	3739	};
3414		3740
3415	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3416	};	3747	};
3417		3748
3418	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3419		3750
3420	sub reload_perl() {	3751	sub reload_perl() {
3421	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3422	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3423		3754
3424	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3425	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3426	after => 0,	3757
3427	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3428	cb => sub {
3429	do_reload_perl;	3759	do_reload_perl;
3430	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3431	},	3761	};
3432	);	3762	};
3433	}	3763	}
3434		3764
3435	register_command "reload" => sub {	3765	register_command "reload" => sub {
3436	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3437		3767
3438	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3439	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3440	async { reload_perl };	3772	reload_perl;
		3773	};
3441	}	3774	}
3442	};	3775	};
3443		3776
3444	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3445		3778
…		…
3447		3780
3448	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3449	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3450		3783
3451	sub wait_for_tick {	3784	sub wait_for_tick {
3452	return unless $TICK_WATCHER->is_active;
3453	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3454		3786
3455	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3456	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3457	$signal->wait;	3789	$signal->wait;
3458	}	3790	}
3459		3791
3460	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3461	return unless $TICK_WATCHER->is_active;
3462	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3463		3794
3464	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3465	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3466	$signal->wait;	3797	$signal->wait;
3467	}	3798	}
3468		3799
3469	our $stat_fh;	3800	sub tick {
3470	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3471
3472	$TICK_WATCHER = Event->timer (
3473	reentrant => 0,
3474	parked => 1,
3475	prio => 0,
3476	at => $NEXT_TICK || $TICK,
3477	data => WF_AUTOCANCEL,
3478	cb => sub {
3479	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3480	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"
3481	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3482	return;	3804	return;
3483	}	3805	}
3484		3806
3485	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3486
3487	$NOW = $tick_start = Event::time;
3488
3489	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3490		3808
3491	$RUNTIME += $TICK;
3492	$NEXT_TICK += $TICK;
3493
3494	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3495	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3496	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
3497	write_runtime	3813	write_runtime_sync
3498	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3499	};
3500	}	3815	};
		3816	}
3501		3817
3502	# my $AFTER = Event::time;
3503	# warn $AFTER - $NOW;#d#
3504
3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3506	$sig->send;	3819	$sig->send;
3507	}	3820	}
3508	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3509	$sig->send;	3822	$sig->send;
3510	}	3823	}
3511		3824
3512	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3513
3514	# if we are delayed by four ticks or more, skip them all
3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3516
3517	$TICK_WATCHER->at ($NEXT_TICK);
3518	$TICK_WATCHER->start;
3519
3520	$LOAD = ($NOW - $tick_start) / $TICK;
3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3522		3827
3523	_post_tick;	3828	if (0) {
3524		3829	if ($NEXT_TICK) {
3525	# gather some statistics#d#	3830	my $jitter = $TICK_START - $NEXT_TICK;
3526	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3527	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	3832	warn "jitter $JITTER\n";#d#
		3833	}
3528	},	3834	}
3529	);	3835	}
3530		3836
3531	{	3837	{
		3838	# configure BDB
		3839
3532	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3533	BDB::max_poll_time $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3534	$BDB_POLL_WATCHER = Event->io (	3842	$AnyEvent::BDB::WATCHER->priority (1);
3535	reentrant => 0,
3536	fd => BDB::poll_fileno,
3537	poll => 'r',
3538	prio => 0,
3539	data => WF_AUTOCANCEL,
3540	cb => \&BDB::poll_cb,
3541	);
3542
3543	BDB::set_sync_prepare {
3544	my $status;
3545	my $current = $Coro::current;
3546	(
3547	sub {
3548	$status = $!;
3549	$current->ready; undef $current;
3550	},
3551	sub {
3552	Coro::schedule while defined $current;
3553	$! = $status;
3554	},
3555	)
3556	};
3557		3843
3558	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3559	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		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;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3560		3851
3561	cf::sync_job {	3852	cf::sync_job {
3562	eval {	3853	eval {
3563	BDB::db_env_open	3854	BDB::db_env_open
3564	$DB_ENV,	3855	$DB_ENV,
…		…
3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3568	0666;	3859	0666;
3569		3860
3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3571
3572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3573	| BDB::LOG_AUTOREMOVE, 1);
3574	$DB_ENV->set_lk_detect;
3575	};	3862	};
3576		3863
3577	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3578	};	3865	};
3579	}	3866	}
3580		3867
3581	$BDB_CHECKPOINT_WATCHER = Event->timer (	3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3582	after => 11,	3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3583	interval => 60,	3870	};
3584	hard => 1,	3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3585	prio => 0,
3586	data => WF_AUTOCANCEL,
3587	cb => sub {
3588	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3589	},
3590	);	3873	};
3591	$BDB_TRICKLE_WATCHER = Event->timer (	3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3592	after => 5,
3593	interval => 10,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3599	},
3600	);	3876	};
3601	}	3877	}
3602		3878
3603	{	3879	{
		3880	# configure IO::AIO
		3881
3604	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3605
3606	undef $Coro::AIO::WATCHER;
3607	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3608	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3609	reentrant => 0,
3610	data => WF_AUTOCANCEL,
3611	fd => IO::AIO::poll_fileno,
3612	poll => 'r',
3613	prio => 6,
3614	cb => \&IO::AIO::poll_cb,
3615	);
3616	}	3885	}
3617		3886
3618	my $_log_backtrace;	3887	my $_log_backtrace;
3619		3888
3620	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3623	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3624		3893
3625	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3626	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3627	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3628	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3629	my @bt = fork_call {	3901	my @bt = fork_call {
3630	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3631	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3632	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 |"
3633	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3641	}	3913	}
3642		3914
3643	@funcs	3915	@funcs
3644	};	3916	};
3645		3917
3646	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3647	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3648	--$_log_backtrace;	3921	--$_log_backtrace;
3649	};	3922	};
3650	} else {	3923	} else {
3651	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3652	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3653	}	3926	}
3654	}	3927	}
3655		3928
3656	# load additional modules	3929	# load additional modules
3657	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3658		3931
3659	END { cf::emergency_save }	3932	END { cf::emergency_save }
3660		3933
3661	1	3934	1
3662		3935

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