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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 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 1.4 ();	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 on
83		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
86		118
87	our %CFG;	119	our %CFG;
88		120
89	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
91		124
92	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
95		128
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		131
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		140
103	binmode STDOUT;	141	binmode STDOUT;
104	binmode STDERR;	142	binmode STDERR;
105		143
106	# read virtual server time, if available	144	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
111	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
112		152
113	mkdir $_	153	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		155
116	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
159		199
160	The raw value load value from the last tick.	200	The raw value load value from the last tick.
161		201
162	=item %cf::CFG	202	=item %cf::CFG
163		203
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	205	from wherever your confdir points to.
166		206
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		208
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	227	$msg .= "\n"
188	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
189		229
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		231
192	utf8::encode $msg;
193	LOG llevError, $msg;	232	LOG llevError, $msg;
194	};	233	};
195	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
196		250
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	261	for my $pkg (qw(
208	cf::global cf::attachable	262	cf::global cf::attachable
209	cf::object cf::object::player	263	cf::object cf::object::player
210	cf::client cf::player	264	cf::client cf::player
211	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
212	cf::map cf::party cf::region	267	cf::party cf::region
213	)) {	268	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	270	}
217		271
218	$Event::DIED = sub {	272	$EV::DIED = sub {
219	warn "error in event callback: @_";	273	warn "error in event callback: @_";
220	};	274	};
221		275
222	#############################################################################	276	#############################################################################
223		277
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	301	$d
248	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
249	}	303	}
250		304
251	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
252		306
253	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
254		308
255	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
256		310
257	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
258		312
259	=cut	313	=cut
260		314
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		316
263	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
265		333
266	=item cf::lock_wait $string	334	=item cf::lock_wait $string
267		335
268	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
269		337
270	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
271		339
272	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
275	returned.	343	returned.
276		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
277	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
279		350
280	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
281		352
282	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
283		354
284	=cut	355	=cut
285		356
286	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
287		358
288	sub lock_wait($) {	359	sub lock_wait($) {
289	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	361	}
297		362
298	sub lock_acquire($) {	363	sub lock_acquire($) {
299	my ($key) = @_;	364	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	365	}
311		366
312	sub lock_active($) {	367	sub lock_active($) {
313	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	369	}
317		370
318	sub freeze_mainloop {	371	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
320		373
321	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	375	}
323	};	376
324	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
325	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
326	}	390	}
327		391
328	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
329		393
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	405	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	406	our $SLOT_QUEUE;
343		407
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
346	my $signal = new Coro::Signal;	412	my $signal = new Coro::Signal;
347		413
348	while () {	414	while () {
349	next_job:	415	next_job:
350	my $avail = cf::till_tick;	416	my $avail = cf::till_tick;
…		…
358	}	424	}
359	}	425	}
360	}	426	}
361		427
362	if (@SLOT_QUEUE) {	428	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	430	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	431	$signal->wait;
366	} else {	432	} else {
367	Coro::schedule;	433	Coro::schedule;
368	}	434	}
369	}	435	}
370	};	436	};
371		437
372	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
373	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
374		442
375	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
377		445
…		…
391		459
392	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
393		461
394	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
395		463
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	467	acceptable.
400		468
401	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		475
408	sub sync_job(&) {	476	sub sync_job(&) {
409	my ($job) = @_;	477	my ($job) = @_;
410		478
411	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	480	my $time = EV::time;
413		481
414	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
416		484
417	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	486
419	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
420		488
421	my $busy = 1;	489	my $busy = 1;
422	my @res;	490	my @res;
423		491
424	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	494	@res = eval { $job->() };
426	warn $@ if $@;	495	warn $@ if $@;
427	undef $busy;	496	undef $busy;
428	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
429		498
430	while ($busy) {	499	while ($busy) {
431	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
432	}	504	}
		505	}
433		506
434	$time = Event::time - $time;	507	my $time = EV::time - $time;
435		508
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
440		510
441	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
442	} else {	512	} else {
443	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
444		514
…		…
469	=item fork_call { }, $args	539	=item fork_call { }, $args
470		540
471	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
475		545
476	=cut	546	=cut
477		547
478	sub fork_call(&@) {	548	sub fork_call(&@) {
479	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
480		550
481	# we seemingly have to make a local copy of the whole thing,	551	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	552	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	553	# TODO: investigate and fix (likely this will be rather laborious)
484		554
485	my @res = Coro::Util::fork_eval {	555	my @res = Coro::Util::fork_eval {
486	reset_signals;	556	reset_signals;
487	&$cb	557	&$cb
488	}, @args;	558	}, @args;
489		559
490	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
491	}	561	}
492		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
493	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
494		591
495	Returns a single value from the environment database.	592	Returns a single value from the environment database.
496		593
497	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
498		595
499	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
502	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
503		622
504	our $DB;	623	our $DB;
505		624
506	sub db_init {	625	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	626	cf::sync_job {
511	eval {	627	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	628	};
521	}	629	}
522		630
523	sub db_get($$) {	631	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
525		633
…		…
575	if (1) {	683	if (1) {
576	$md5 =	684	$md5 =
577	join "\x00",	685	join "\x00",
578	$processversion,	686	$processversion,
579	map {	687	map {
580	Coro::cede;	688	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	690	} 0.. $#$src;
583		691
584		692
585	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		731
624	#############################################################################	732	#############################################################################
625		733
626	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
627		735
628	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
631		739
632	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	742	Deliantra).
635		743
636	=over 4	744	=over 4
637		745
638	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
639		747
…		…
683	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
684		792
685	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
687		795
688	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
690		798
691	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
692		800
693	=over 4	801	=over 4
…		…
921	}	1029	}
922		1030
923	0	1031	0
924	}	1032	}
925		1033
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1035
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1037
930	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
931		1039
…		…
937		1045
938	=cut	1046	=cut
939		1047
940	#############################################################################	1048	#############################################################################
941	# object support	1049	# object support
942	#
943		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
944	sub _can_merge {	1084	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
946		1086
947	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1088
951	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
952	}	1091	}
953		1092
954	sub reattach {	1093	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1095	my ($obj) = @_;
957		1096
		1097	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1099
960	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
961		1101
962	@$registry = ();	1102	@$registry = ();
963		1103
…		…
978	cf::attachable->attach (	1118	cf::attachable->attach (
979	prio => -1000000,	1119	prio => -1000000,
980	on_instantiate => sub {	1120	on_instantiate => sub {
981	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
982		1122
983	$data = from_json $data;	1123	$data = decode_json $data;
984		1124
985	for (@$data) {	1125	for (@$data) {
986	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
987		1127
988	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1144	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
1006		1146
1007	sync_job {	1147	sync_job {
1008	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1011		1152
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1157	aio_close $fh;
1017		1158
1018	if (@$objs) {	1159	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1165	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1167	}
1027	} else {	1168	} else {
1028	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1029	}	1170	}
1030		1171
1031	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1176	} else {
1033	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1034	}	1178	}
1035	} else {	1179	} else {
1036	aio_unlink $filename;	1180	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1038	}	1182	}
1039	}	1183	};
1040	}	1184	}
1041		1185
1042	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1044		1188
…		…
1056	or return;	1200	or return;
1057		1201
1058	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1204	or return;
		1205
1061	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1062	}	1208	}
1063		1209
		1210	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1066	return ($data, $av);	1214	($data, $av)
1067	}	1215	}
1068		1216
1069	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1070		1218
1071	=over 4	1219	=over 4
…		…
1125	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1126		1274
1127	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1128	}	1276	}
1129		1277
		1278	use File::Glob ();
		1279
1130	cf::player->attach (	1280	cf::player->attach (
1131	on_command => sub {	1281	on_command => sub {
1132	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1133		1283
1134	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1149	my ($type, $reply, @payload) =	1299	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1300	"ARRAY" eq ref $msg
1151	? @$msg	1301	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1303
		1304	my @reply;
		1305
1154	if (my $cb = $EXTCMD{$type}) {	1306	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1307	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
1160	} else {	1313	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1315	}
1163		1316
1164	cf::override;	1317	cf::override;
1165	},	1318	},
1166	);	1319	);
		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
1167		1333
1168	sub load_extensions {	1334	sub load_extensions {
1169	cf::sync_job {	1335	cf::sync_job {
1170	my %todo;	1336	my %todo;
1171		1337
…		…
1191		1357
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1360
1195	$ext{source} =	1361	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1198	. $source	1364	. $source
1199	. "\n};\n1";	1365	. "\n};\n1";
1200		1366
1201	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1217	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1218	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1219		1385
1220	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1221	warn $msg;	1387	warn $msg;
1222	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1223	exit 1;
1224	}	1389	}
1225		1390
1226	warn $msg;	1391	warn $msg;
1227	}	1392	}
1228		1393
…		…
1242		1407
1243	=back	1408	=back
1244		1409
1245	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1246		1411
1247	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1248		1413
1249	=cut	1414	=cut
1250		1415
1251	package cf::player;	1416	package cf::player;
1252		1417
1253	use Coro::AIO;	1418	use Coro::AIO;
1254		1419
1255	=head3 cf::player	1420	=head3 cf::player
1256		1421
1257	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1258		1437
1259	=item cf::player::find $login	1438	=item cf::player::find $login
1260		1439
1261	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1262		1441
…		…
1281		1460
1282	sub exists($) {	1461	sub exists($) {
1283	my ($login) = @_;	1462	my ($login) = @_;
1284		1463
1285	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1287	}	1466	}
1288		1467
1289	sub find($) {	1468	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1470	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1481
1303	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1306	}	1491	}
1307	}	1492	}
1308	}	1493	}
1309		1494
…		…
1318	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1319		1504
1320	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1322		1507
		1508	cf::get_slot 0.01;
		1509
1323	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1324	Coro::cede;	1511	cf::cede_to_tick;
1325	}	1512	}
1326		1513
1327	sub new($) {	1514	sub new($) {
1328	my ($login) = @_;	1515	my ($login) = @_;
1329		1516
…		…
1358	my ($pl) = @_;	1545	my ($pl) = @_;
1359		1546
1360	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1361		1548
1362	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1551
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1369		1558
1370	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1596	or return [];
1408		1597
1409	my @logins;	1598	my @logins;
1410		1599
1411	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1415		1610
1416	utf8::decode $login;	1611	utf8::decode $login;
1417	push @logins, $login;	1612	push @logins, $login;
1418	}	1613	}
1419		1614
…		…
1446	}	1641	}
1447		1642
1448	\@paths	1643	\@paths
1449	}	1644	}
1450		1645
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1647
1453	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1649
1501	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1502		1651
1503	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1504		1653
1505	=cut	1654	=cut
1506		1655
1507	sub ext_reply($$@) {	1656	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1657	my ($self, $id, @msg) = @_;
1509		1658
1510	if ($self->ns->extcmd == 2) {	1659	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1660	}
1518		1661
1519	=item $player->ext_msg ($type, @msg)	1662	=item $player->ext_msg ($type, @msg)
1520		1663
1521	Sends an ext event to the client.	1664	Sends an ext event to the client.
…		…
1577	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1579		1722
1580	sub generate_random_map {	1723	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1582	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1729	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1854
1709	# the temporary/swap location	1855	# the temporary/swap location
1710	sub save_path {	1856	sub save_path {
1711	my ($self) = @_;	1857	my ($self) = @_;
1712		1858
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1715	}	1861	}
1716		1862
1717	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1718	sub uniq_path {	1864	sub uniq_path {
1719	my ($self) = @_;	1865	my ($self) = @_;
1720		1866
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1869	}
1733		1870
1734	sub decay_objects {	1871	sub decay_objects {
1735	my ($self) = @_;	1872	my ($self) = @_;
1736		1873
…		…
1749		1886
1750	sub load_header_from($) {	1887	sub load_header_from($) {
1751	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1752		1889
1753	utf8::encode $path;	1890	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1759		1899
1760	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1761		1901
1762	1	1902	1
1763	}	1903	}
…		…
1817	sub find {	1957	sub find {
1818	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1819		1959
1820	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1821		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1823		1964
1824	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1827	or return;	1967	or return;
1828		1968
1829	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1830		1970
…		…
1832	or return;	1972	or return;
1833		1973
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1837	$map->reset;	1979	$map->reset;
1838	undef $guard;
1839	return find $path;	1980	return find $path;
1840	}	1981	}
1841		1982
1842	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1843	}	1984	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1853		1994
1854	my $path = $self->{path};	1995	my $path = $self->{path};
1855		1996
1856	{	1997	{
1857	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1858		1999
		2000	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2002
1861	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1862		2004
1863	$self->alloc;	2005	$self->alloc;
1864		2006
1865	$self->pre_load;	2007	$self->pre_load;
1866	Coro::cede;	2008	cf::cede_to_tick;
1867		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1869	or return;	2013	or return;
1870		2014
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1872	if delete $self->{load_original};	2016	if delete $self->{load_original};
1873		2017
1874	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2019	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2022	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1879	}	2026	}
1880	}	2027	}
1881		2028
1882	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1883	# now do the right thing for maps	2032	# now do the right thing for maps
1884	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2035	unless $self->difficulty;
1887	Coro::cede;	2036	cf::cede_to_tick;
1888		2037
1889	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2039	$self->decay_objects;
1891	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1892	$self->update_buttons;	2041	$self->update_buttons;
1893	Coro::cede;	2042	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2043	$self->activate;
1897	}	2044	}
1898		2045
1899	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
1901		2048
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2050	}
1904		2051
1905	$self->post_load;	2052	$self->post_load;
1906	}	2053	}
1907		2054
…		…
1916		2063
1917	$self	2064	$self
1918	}	2065	}
1919		2066
1920	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1921	sub load_diag {	2068	sub load_neighbours {
1922	my ($map) = @_;	2069	my ($map) = @_;
1923		2070
1924	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1925		2072
1926	for (0 .. 3) {	2073	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1928	or next;	2075	or next;
1929	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1930	or next;	2077	or next;
1931	$neigh->load;	2078	$neigh->load;
1932		2079
		2080	push @neigh,
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}	2083	}
1936		2084
1937	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1938	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1939	or next;	2088	or next;
1940	$neigh->load;	2089	$neigh->load;
1941	}	2090	}
1942	}	2091	}
1943		2092
…		…
1948	}	2097	}
1949		2098
1950	sub do_load_sync {	2099	sub do_load_sync {
1951	my ($map) = @_;	2100	my ($map) = @_;
1952		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1953	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1954	}	2106	}
1955		2107
1956	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1958		2110
1959	sub find_async {	2111	sub find_async {
1960	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1961		2113
1962	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1963		2115
1964	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1966	}	2118	}
1967		2119
1968	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1969	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1970	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2127	if (my $map = find $k) {
1973	$map->load;	2128	$map->load if $v;
1974	}	2129	}
1975		2130
1976	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1977	}	2132	}
1978	}	2133	}
1979	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1980	};	2135	};
1981	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1984	}	2139	}
1985		2140
1986	sub save {	2141	sub save {
1987	my ($self) = @_;	2142	my ($self) = @_;
1988		2143
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1990		2145
1991	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1992		2147
1993	return unless $self->dirty;	2148	return unless $self->dirty;
1994		2149
…		…
2000	return if $self->{deny_save};	2155	return if $self->{deny_save};
2001		2156
2002	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
2003		2158
2004	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2006	};	2162	};
		2163
		2164	cf::get_slot 0.02;
2007		2165
2008	if ($uniq) {	2166	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2169	} else {
…		…
2017	my ($self) = @_;	2175	my ($self) = @_;
2018		2176
2019	# save first because save cedes	2177	# save first because save cedes
2020	$self->save;	2178	$self->save;
2021		2179
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2181
2024	return if $self->players;	2182	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2026	return if $self->{deny_save};	2184	return if $self->{deny_save};
2027		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2190	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2191	}
2031		2192
2032	sub reset_at {	2193	sub reset_at {
2033	my ($self) = @_;	2194	my ($self) = @_;
2034		2195
…		…
2066	if $uniq;	2227	if $uniq;
2067	}	2228	}
2068		2229
2069	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
2070		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2234	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2235
2075	$self->unlink_save;	2236	$self->unlink_save;
2076	$self->destroy;	2237	$self->destroy;
2077	}	2238	}
2078		2239
2079	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
2080		2241
2081	sub nuke {	2242	sub nuke {
2082	my ($self) = @_;	2243	my ($self) = @_;
2083		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
2084	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2085		2249
2086	$self->unlink_save;	2250	$self->unlink_save;
2087		2251
2088	bless $self, "cf::map";	2252	bless $self, "cf::map";
2089	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2257
2094	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
2095		2260
2096	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
2097	}	2262	}
2098		2263
2099	=item $maps = cf::map::tmp_maps	2264	=item $maps = cf::map::tmp_maps
…		…
2141		2306
2142	sub unique_maps() {	2307	sub unique_maps() {
2143	[	2308	[
2144	map {	2309	map {
2145	utf8::decode $_;	2310	utf8::decode $_;
2146	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2147	? normalise $_	2314	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2316	]
2151	}	2317	}
2152		2318
2153	package cf;
2154
2155	=back	2319	=back
2156		2320
2157	=head3 cf::object	2321	=head3 cf::object
2158		2322
2159	=cut	2323	=cut
…		…
2162		2326
2163	=over 4	2327	=over 4
2164		2328
2165	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2166		2330
2167	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2168		2333
2169	=cut	2334	=cut
2170		2335
2171	sub inv_recursive_;	2336	sub inv_recursive_;
2172	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2175		2340
2176	sub inv_recursive {	2341	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2178	}	2343	}
2179		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
2180	package cf;	2373	package cf;
2181		2374
2182	=back	2375	=back
2183		2376
2184	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
2190	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2191	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2192	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2193		2386
2194	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
2195		2402
2196	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2404	# with dialog boxes.
2198	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2199	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2420
2214	} else {	2421	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2424	}
2218	}	2425	}
2219	}	2426	}
2220		2427
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2453
2247	=item $player_object->enter_link	2454	=item $player_object->enter_link
2248		2455
2249	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2250		2457
2251	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2252	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2253		2462
2254	Will never block.	2463	Will never block.
2255		2464
2256	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2257		2466
…		…
2312	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2315		2524
2316	$map->load;	2525	$map->load;
2317	$map->load_diag;	2526	$map->load_neighbours;
2318		2527
2319	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2320	$self->activate_recursive;	2530	$self->activate_recursive;
2321		2531
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2324	}	2534	}
…		…
2329	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2330	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2331	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2542	be called at the end of this process.
2333		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2334	=cut	2547	=cut
2335		2548
2336	our $GOTOGEN;	2549	our $GOTOGEN;
2337		2550
2338	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2556
2344	$self->enter_link;	2557	$self->enter_link;
2345		2558
2346	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2347	my $map = eval {	2581	my $map = eval {
2348	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2349		2583
2350	if ($map) {	2584	if ($map) {
2351	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2353	} else {	2587	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2589	}
2356		2590
2357	$map	2591	$map
2358	};	2592	};
2359		2593
…		…
2395	}	2629	}
2396		2630
2397	sub prepare_random_map {	2631	sub prepare_random_map {
2398	my ($exit) = @_;	2632	my ($exit) = @_;
2399		2633
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2636	# that depends on the exit object
2405		2637
2406	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2640	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2413	}	2647	}
2414		2648
2415	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2416		2650
2417	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2420		2654
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2657	undef $fh;
2424	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2425		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2428	}	2666	}
2429	}	2667	}
2430		2668
2431	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2433		2671
2434	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2435		2673
2436	if ($exit->slaying eq "/!") {
2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
2438	# the problem is that $exit might not survive long enough
2439	# so it needs to be done right now, right here
2440	cf::sync_job { prepare_random_map $exit };
2441	}
2442
2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2444	my $hp = $exit->stats->hp;
2445	my $sp = $exit->stats->sp;
2446
2447	$self->enter_link;	2674	$self->enter_link;
2448		2675
2449	# if exit is damned, update players death & WoR home-position
2450	$self->contr->savebed ($slaying, $hp, $sp)
2451	if $exit->flag (FLAG_DAMNED);
2452
2453	(async {	2676	(async {
2454	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2455	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2456	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2457		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2458	1;	2700	1
2459	}) {	2701	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2706
2465	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2495		2737
2496	=cut	2738	=cut
2497		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/uptime" => {
		2809	id => "infobox",
		2810	title => "Uptime",
		2811	reply => undef,
		2812	tooltip => "How long the server has been running since last restart",
		2813	},
		2814	"c/mapinfo" => {
		2815	id => "infobox",
		2816	title => "Map Info",
		2817	reply => undef,
		2818	tooltip => "Information related to the maps",
		2819	},
		2820	"c/party" => {
		2821	id => "party",
		2822	title => "Party",
		2823	reply => "gsay ",
		2824	tooltip => "Messages and chat related to your party",
		2825	},
		2826	"c/death" => {
		2827	id => "death",
		2828	title => "Death",
		2829	reply => undef,
		2830	tooltip => "Reason for and more info about your most recent death",
		2831	},
		2832	"c/say" => $SAY_CHANNEL,
		2833	"c/chat" => $CHAT_CHANNEL,
		2834	);
		2835
2498	sub cf::client::send_msg {	2836	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	2837	my ($self, $channel, $msg, $color, @extra) = @_;
2500		2838
2501	$msg = $self->pl->expand_cfpod ($msg);	2839	$msg = $self->pl->expand_cfpod ($msg)
		2840	unless $color & cf::NDI_VERBATIM;
2502		2841
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	2842	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		2843
		2844	# check predefined channels, for the benefit of C
		2845	if ($CHANNEL{$channel}) {
		2846	$channel = $CHANNEL{$channel};
		2847
		2848	$self->ext_msg (channel_info => $channel);
		2849	$channel = $channel->{id};
		2850
2505	if (ref $channel) {	2851	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	2852	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	2853	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	2854	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	2855	$self->ext_msg (channel_info => $channel);
2510	}	2856	}
…		…
2512	$channel = $channel->{id};	2858	$channel = $channel->{id};
2513	}	2859	}
2514		2860
2515	return unless @extra || length $msg;	2861	return unless @extra || length $msg;
2516		2862
2517	if ($self->can_msg) {
2518	# default colour, mask it out	2863	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	2865	if $color & cf::NDI_DEF;
2521		2866
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	2867	my $pkt = "msg "
		2868	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2869	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2524	} else {	2870	);
2525	if ($color >= 0) {
2526	# replace some tags by gcfclient-compatible ones
2527	for ($msg) {
2528	1 while
2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2534	}
2535		2871
2536	$color &= cf::NDI_COLOR_MASK;	2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
2537		2875
2538	utf8::encode $msg;	2876	# split very large packets
2539		2877	if (8192 < length $pkt and $self->{can_lzf}) {
2540	if (0 && $msg =~ /\[/) {	2878	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2541	# COMMAND/INFO	2879	$pkt = "frag";
2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
2543	} else {
2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2545	$self->send_packet ("drawinfo $color $msg")
2546	}
2547	}
2548	}	2880	}
		2881
		2882	$self->send_packet ($pkt);
2549	}	2883	}
2550		2884
2551	=item $client->ext_msg ($type, @msg)	2885	=item $client->ext_msg ($type, @msg)
2552		2886
2553	Sends an ext event to the client.	2887	Sends an ext event to the client.
…		…
2555	=cut	2889	=cut
2556		2890
2557	sub cf::client::ext_msg($$@) {	2891	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	2892	my ($self, $type, @msg) = @_;
2559		2893
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	2894	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2895	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	2896	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	2897	push @msg, msgtype => "event_$type";
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
		2901
		2902	=item $client->ext_reply ($msgid, @msg)
		2903
		2904	Sends an ext reply to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_reply($$@) {
		2909	my ($self, $id, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2913	} elsif ($self->extcmd == 1) {
		2914	#TODO: version 1, remove
		2915	unshift @msg, msgtype => "reply", msgid => $id;
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2916	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	2917	}
2568	}	2918	}
2569		2919
2570	=item $success = $client->query ($flags, "text", \&cb)	2920	=item $success = $client->query ($flags, "text", \&cb)
…		…
2632	my ($type, $reply, @payload) =	2982	my ($type, $reply, @payload) =
2633	"ARRAY" eq ref $msg	2983	"ARRAY" eq ref $msg
2634	? @$msg	2984	? @$msg
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2985	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		2986
		2987	my @reply;
		2988
2637	if (my $cb = $EXTICMD{$type}) {	2989	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	2990	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	2991	}
		2992
		2993	$ns->ext_reply ($reply, @reply)
		2994	if $reply;
		2995
2643	} else {	2996	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2997	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	2998	}
2646		2999
2647	cf::override;	3000	cf::override;
…		…
2707	=pod	3060	=pod
2708		3061
2709	The following functions and methods are available within a safe environment:	3062	The following functions and methods are available within a safe environment:
2710		3063
2711	cf::object	3064	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3065	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3066	insert remove name archname title slaying race decrease split
		3067	value
2714		3068
2715	cf::object::player	3069	cf::object::player
2716	player	3070	player
2717		3071
2718	cf::player	3072	cf::player
…		…
2723		3077
2724	=cut	3078	=cut
2725		3079
2726	for (	3080	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3081	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3082	insert remove inv nrof name archname title slaying race
		3083	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3084	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3085	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3086	["cf::map" => qw(trigger)],
2732	) {	3087	) {
2733	no strict 'refs';	3088	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3089	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2752	my ($code, %vars) = @_;	3107	my ($code, %vars) = @_;
2753		3108
2754	my $qcode = $code;	3109	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3110	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3111	$qcode =~ s/\n/\\n/g;
		3112
		3113	%vars = (_dummy => 0) unless %vars;
2757		3114
2758	local $_;	3115	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;	3116	local @safe::cf::_safe_eval_args = values %vars;
2760		3117
2761	my $eval =	3118	my $eval =
…		…
2809	# the server's init and main functions	3166	# the server's init and main functions
2810		3167
2811	sub load_facedata($) {	3168	sub load_facedata($) {
2812	my ($path) = @_;	3169	my ($path) = @_;
2813		3170
		3171	# HACK to clear player env face cache, we need some signal framework
		3172	# for this (global event?)
		3173	%ext::player_env::MUSIC_FACE_CACHE = ();
		3174
		3175	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3176
2814	warn "loading facedata from $path\n";	3177	warn "loading facedata from $path\n";
2815		3178
2816	my $facedata;	3179	my $facedata;
2817	0 < aio_load $path, $facedata	3180	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3181	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3183	$facedata = Coro::Storable::thaw $facedata;
2821		3184
2822	$facedata->{version} == 2	3185	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3186	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3187
		3188	# patch in the exptable
		3189	$facedata->{resource}{"res/exp_table"} = {
		3190	type => FT_RSRC,
		3191	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3192	};
		3193	cf::cede_to_tick;
		3194
2825	{	3195	{
2826	my $faces = $facedata->{faceinfo};	3196	my $faces = $facedata->{faceinfo};
2827		3197
2828	while (my ($face, $info) = each %$faces) {	3198	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3199	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3200
2830	cf::face::set_visibility $idx, $info->{visibility};	3201	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3202	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3203	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3204	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3205
2835	cf::cede_to_tick;	3206	cf::cede_to_tick;
2836	}	3207	}
2837		3208
2838	while (my ($face, $info) = each %$faces) {	3209	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3210	next unless $info->{smooth};
		3211
2840	my $idx = cf::face::find $face	3212	my $idx = cf::face::find $face
2841	or next;	3213	or next;
		3214
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3215	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3216	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3217	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3218	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3219	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3236
2864	{	3237	{
2865	# TODO: for gcfclient pleasure, we should give resources	3238	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3239	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3240	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3241
2872	while (my ($name, $info) = each %$res) {	3242	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3243	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3244	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3245	my $data;
2879		3246
2880	if ($info->{type} & 1) {	3247	if ($info->{type} & 1) {
2881	# prepend meta info	3248	# prepend meta info
2882		3249
		3250	my $meta = $enc->encode ({
		3251	name => $name,
		3252	%{ $info->{meta} || {} },
		3253	});
		3254
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3255	$data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3256	} else {
		3257	$data = $info->{data};
		3258	}
2885		3259
2886	cf::face::set_data $idx, 0, $data, $chk;	3260	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3261	cf::face::set_type $idx, $info->{type};
2887	} else {	3262	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3263	$RESOURCE{$name} = $info;
2889	}	3264	}
2890		3265
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3266	cf::cede_to_tick;
2894	}	3267	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	cf::sound::set $sound->[0] => $face;
2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2906	}
2907
2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
2909	my $face = cf::face::find "sound/$v";
2910	cf::sound::set $k => $face;
2911	}
2912	}
2913	}	3268	}
		3269
		3270	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3271
2915	1	3272	1
2916	}	3273	}
		3274
		3275	cf::global->attach (on_resource_update => sub {
		3276	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3277	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3278
		3279	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3280	my $sound = $soundconf->{compat}[$_]
		3281	or next;
		3282
		3283	my $face = cf::face::find "sound/$sound->[1]";
		3284	cf::sound::set $sound->[0] => $face;
		3285	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3286	}
		3287
		3288	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3289	my $face = cf::face::find "sound/$v";
		3290	cf::sound::set $k => $face;
		3291	}
		3292	}
		3293	});
2917		3294
2918	register_exticmd fx_want => sub {	3295	register_exticmd fx_want => sub {
2919	my ($ns, $want) = @_;	3296	my ($ns, $want) = @_;
2920		3297
2921	while (my ($k, $v) = each %$want) {	3298	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3299	$ns->fx_want ($k, $v);
2923	}	3300	}
2924	};	3301	};
2925		3302
		3303	sub load_resource_file($) {
		3304	my $guard = lock_acquire "load_resource_file";
		3305
		3306	my $status = load_resource_file_ $_[0];
		3307	get_slot 0.1, 100;
		3308	cf::arch::commit_load;
		3309
		3310	$status
		3311	}
		3312
2926	sub reload_regions {	3313	sub reload_regions {
		3314	# HACK to clear player env face cache, we need some signal framework
		3315	# for this (global event?)
		3316	%ext::player_env::MUSIC_FACE_CACHE = ();
		3317
2927	load_resource_file "$MAPDIR/regions"	3318	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3319	or die "unable to load regions file\n";
2929		3320
2930	for (cf::region::list) {	3321	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3322	$_->{match} = qr/$_->{match}/
…		…
2939	}	3330	}
2940		3331
2941	sub reload_archetypes {	3332	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3333	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3334	or die "unable to load archetypes\n";
2944	#d# NEED to laod twice to resolve forward references
2945	# this really needs to be done in an extra post-pass
2946	# (which needs to be synchronous, so solve it differently)
2947	load_resource_file "$DATADIR/archetypes"
2948	or die "unable to load archetypes\n";
2949	}	3335	}
2950		3336
2951	sub reload_treasures {	3337	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3338	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3339	or die "unable to load treasurelists\n";
2954	}	3340	}
2955		3341
2956	sub reload_resources {	3342	sub reload_resources {
2957	warn "reloading resource files...\n";	3343	warn "reloading resource files...\n";
2958		3344
		3345	reload_facedata;
		3346	reload_archetypes;
2959	reload_regions;	3347	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3348	reload_treasures;
2964		3349
2965	warn "finished reloading resource files\n";	3350	warn "finished reloading resource files\n";
2966	}	3351	}
2967		3352
2968	sub init {	3353	sub reload_config {
2969	reload_resources;
2970	}
2971
2972	sub cfg_load {
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2974	or return;	3355	or return;
2975		3356
2976	local $/;	3357	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2978		3359
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2980		3361
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2982	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2988	};	3369	};
2989	warn $@ if $@;	3370	warn $@ if $@;
2990	}	3371	}
2991	}	3372	}
2992		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2993	sub main {	3393	sub main {
		3394	cf::init_globals; # initialise logging
		3395
		3396	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3397	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3398	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3399	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3400
		3401	cf::init_experience;
		3402	cf::init_anim;
		3403	cf::init_attackmess;
		3404	cf::init_dynamic;
		3405
		3406	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3407
2994	# we must not ever block the main coroutine	3408	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3409	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3410	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3411	(async {
2998	Event::one_event;	3412	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3413	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3414	})->prio (Coro::PRIO_MAX);
3000	};	3415	};
3001		3416
3002	cfg_load;	3417	evthread_start IO::AIO::poll_fileno;
		3418
		3419	cf::sync_job {
		3420	reload_resources;
		3421	reload_config;
3003	db_init;	3422	db_init;
		3423
		3424	cf::load_settings;
		3425	cf::load_materials;
		3426	cf::init_uuid;
		3427	cf::init_signals;
		3428	cf::init_commands;
		3429	cf::init_skills;
		3430
		3431	cf::init_beforeplay;
		3432
		3433	atomic;
		3434
3004	load_extensions;	3435	load_extensions;
3005		3436
3006	$TICK_WATCHER->start;	3437	utime time, time, $RUNTIMEFILE;
		3438
		3439	# no (long-running) fork's whatsoever before this point(!)
		3440	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3441
		3442	(pop @POST_INIT)->(0) while @POST_INIT;
		3443	};
		3444
3007	Event::loop;	3445	EV::loop;
3008	}	3446	}
3009		3447
3010	#############################################################################	3448	#############################################################################
3011	# initialisation and cleanup	3449	# initialisation and cleanup
3012		3450
3013	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
3014	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3017	reentrant => 0,
3018	data => WF_AUTOCANCEL,
3019	signal => $signal,
3020	prio => 0,
3021	cb => sub {
3022	cf::cleanup "SIG$signal";	3456	cf::cleanup "SIG$signal";
3023	},
3024	);	3457	};
3025	}	3458	}
3026	}	3459	}
3027		3460
3028	sub write_runtime {	3461	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";
3030
3031	# first touch the runtime file to show we are still running:	3462	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3463	# the fsync below can take a very very long time.
3033		3464
3034	IO::AIO::aio_utime $runtime, undef, undef;	3465	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3466
3036	my $guard = cf::lock_acquire "write_runtime";	3467	my $guard = cf::lock_acquire "write_runtime";
3037		3468
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3469	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3039	or return;	3470	or return;
3040		3471
3041	my $value = $cf::RUNTIME + 90 + 10;	3472	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3473	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3474	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3484	aio_utime $fh, undef, undef;
3054		3485
3055	close $fh	3486	close $fh
3056	or return;	3487	or return;
3057		3488
3058	aio_rename "$runtime~", $runtime	3489	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3490	and return;
3060		3491
3061	warn "runtime file written.\n";	3492	warn "runtime file written.\n";
3062		3493
3063	1	3494	1
		3495	}
		3496
		3497	our $uuid_lock;
		3498	our $uuid_skip;
		3499
		3500	sub write_uuid_sync($) {
		3501	$uuid_skip ||= $_[0];
		3502
		3503	return if $uuid_lock;
		3504	local $uuid_lock = 1;
		3505
		3506	my $uuid = "$LOCALDIR/uuid";
		3507
		3508	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3509	or return;
		3510
		3511	my $value = uuid_seq uuid_cur;
		3512
		3513	unless ($value) {
		3514	warn "cowardly refusing to write zero uuid value!\n";
		3515	return;
		3516	}
		3517
		3518	my $value = uuid_str $value + $uuid_skip;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
3064	}	3545	}
3065		3546
3066	sub emergency_save() {	3547	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
3068		3549
3069	warn "enter emergency perl save\n";	3550	warn "emergency_perl_save: enter\n";
3070		3551
3071	cf::sync_job {	3552	cf::sync_job {
		3553	# this is a trade-off: we want to be very quick here, so
		3554	# save all maps without fsync, and later call a global sync
		3555	# (which in turn might be very very slow)
		3556	local $USE_FSYNC = 0;
		3557
3072	# use a peculiar iteration method to avoid tripping on perl	3558	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3559	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3560	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3561	warn "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3562	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3563	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3564	$pl->valid or next;
		3565	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3566	$pl->save;
3080	}	3567	}
3081	warn "end emergency player save\n";	3568	warn "emergency_perl_save: end player save\n";
3082		3569
3083	warn "begin emergency map save\n";	3570	warn "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3571	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3572	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3573	$map->valid or next;
3087	$map->save;	3574	$map->save;
3088	}	3575	}
3089	warn "end emergency map save\n";	3576	warn "emergency_perl_save: end map save\n";
3090		3577
3091	warn "begin emergency database checkpoint\n";	3578	warn "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3580	warn "emergency_perl_save: end database checkpoint\n";
		3581
		3582	warn "emergency_perl_save: begin write uuid\n";
		3583	write_uuid_sync 1;
		3584	warn "emergency_perl_save: end write uuid\n";
3094	};	3585	};
3095		3586
		3587	warn "emergency_perl_save: starting sync()\n";
		3588	IO::AIO::aio_sync sub {
		3589	warn "emergency_perl_save: finished sync()\n";
		3590	};
		3591
3096	warn "leave emergency perl save\n";	3592	warn "emergency_perl_save: leave\n";
3097	}	3593	}
3098		3594
3099	sub post_cleanup {	3595	sub post_cleanup {
3100	my ($make_core) = @_;	3596	my ($make_core) = @_;
3101		3597
3102	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
3104	}	3629	}
3105		3630
3106	sub do_reload_perl() {	3631	sub do_reload_perl() {
3107	# can/must only be called in main	3632	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3109	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3110	return;	3635	return;
3111	}	3636	}
3112		3637
		3638	return if $RELOAD++;
		3639
		3640	my $t1 = EV::time;
		3641
		3642	while ($RELOAD) {
3113	warn "reloading...";	3643	warn "reloading...";
3114		3644
3115	warn "entering sync_job";	3645	warn "entering sync_job";
3116		3646
3117	cf::sync_job {	3647	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3119	cf::emergency_save;	3649	cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3121		3651
3122	warn "syncing database to disk";	3652	warn "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3653	BDB::db_env_txn_checkpoint $DB_ENV;
3124		3654
3125	# if anything goes wrong in here, we should simply crash as we already saved	3655	# if anything goes wrong in here, we should simply crash as we already saved
3126		3656
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";	3657	warn "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;	3658	while (IO::AIO::nreqs || BDB::nreqs) {
3138	warn "iterate...";	3659	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3139	}
3140
3141	++$RELOAD;
3142
3143	warn "cancelling all extension coros";
3144	$_->cancel for values %EXT_CORO;
3145	%EXT_CORO = ();
3146
3147	warn "removing commands";
3148	%COMMAND = ();
3149
3150	warn "removing ext/exti commands";
3151	%EXTCMD = ();
3152	%EXTICMD = ();
3153
3154	warn "unloading/nuking all extensions";
3155	for my $pkg (@EXTS) {
3156	warn "... unloading $pkg";
3157
3158	if (my $cb = $pkg->can ("unload")) {
3159	eval {
3160	$cb->($pkg);
3161	1
3162	} or warn "$pkg unloaded, but with errors: $@";
3163	}	3660	}
3164		3661
3165	warn "... nuking $pkg";	3662	warn "cancelling all extension coros";
3166	Symbol::delete_package $pkg;	3663	$_->cancel for values %EXT_CORO;
3167	}	3664	%EXT_CORO = ();
3168		3665
3169	warn "unloading all perl modules loaded from $LIBDIR";	3666	warn "removing commands";
3170	while (my ($k, $v) = each %INC) {	3667	%COMMAND = ();
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3668
		3669	warn "removing ext/exti commands";
		3670	%EXTCMD = ();
		3671	%EXTICMD = ();
		3672
		3673	warn "unloading/nuking all extensions";
		3674	for my $pkg (@EXTS) {
3173	warn "... unloading $k";	3675	warn "... unloading $pkg";
3174	delete $INC{$k};
3175		3676
3176	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;
3178
3179	if (my $cb = $k->can ("unload_module")) {	3677	if (my $cb = $pkg->can ("unload")) {
		3678	eval {
3180	$cb->();	3679	$cb->($pkg);
		3680	1
		3681	} or warn "$pkg unloaded, but with errors: $@";
		3682	}
		3683
		3684	warn "... clearing $pkg";
		3685	clear_package $pkg;
3181	}	3686	}
3182		3687
3183	Symbol::delete_package $k;	3688	warn "unloading all perl modules loaded from $LIBDIR";
		3689	while (my ($k, $v) = each %INC) {
		3690	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3691
		3692	warn "... unloading $k";
		3693	delete $INC{$k};
		3694
		3695	$k =~ s/\.pm$//;
		3696	$k =~ s/\//::/g;
		3697
		3698	if (my $cb = $k->can ("unload_module")) {
		3699	$cb->();
		3700	}
		3701
		3702	clear_package $k;
3184	}	3703	}
3185		3704
3186	warn "getting rid of safe::, as good as possible";	3705	warn "getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	3706	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3707	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		3708
3190	warn "unloading cf.pm \"a bit\"";	3709	warn "unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	3710	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	3711	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3193		3712
3194	# don't, removes xs symbols, too,	3713	# don't, removes xs symbols, too,
3195	# and global variables created in xs	3714	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	3715	#clear_package __PACKAGE__;
3197		3716
3198	warn "unload completed, starting to reload now";	3717	warn "unload completed, starting to reload now";
3199		3718
3200	warn "reloading cf.pm";	3719	warn "reloading cf.pm";
3201	require cf;	3720	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3721	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3203		3722
3204	warn "loading config and database again";	3723	warn "loading config and database again";
3205	cf::cfg_load;	3724	cf::reload_config;
3206		3725
3207	warn "loading extensions";	3726	warn "loading extensions";
3208	cf::load_extensions;	3727	cf::load_extensions;
3209		3728
		3729	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3213	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
		3736	}
3216		3737
		3738	warn "running post_init jobs";
		3739	(pop @POST_INIT)->(1) while @POST_INIT;
		3740
3217	warn "leaving sync_job";	3741	warn "leaving sync_job";
3218		3742
3219	1	3743	1
3220	} or do {	3744	} or do {
3221	warn $@;	3745	warn $@;
3222	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
3223	exit 1;
3224	};	3747	};
3225		3748
3226	warn "reloaded";	3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752
		3753	$t1 = EV::time - $t1;
		3754	warn "reload completed in ${t1}s\n";
3227	};	3755	};
3228		3756
3229	our $RELOAD_WATCHER; # used only during reload	3757	our $RELOAD_WATCHER; # used only during reload
3230		3758
3231	sub reload_perl() {	3759	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	3760	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	3761	# coro crashes during coro_state_free->destroy here.
3234		3762
3235	$RELOAD_WATCHER ||= Event->timer (	3763	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	3764	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	3765
3238	data => WF_AUTOCANCEL,	3766	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	3767	do_reload_perl;
3241	undef $RELOAD_WATCHER;	3768	undef $RELOAD_WATCHER;
3242	},	3769	};
3243	);	3770	};
3244	}	3771	}
3245		3772
3246	register_command "reload" => sub {	3773	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	3774	my ($who, $arg) = @_;
3248		3775
3249	if ($who->flag (FLAG_WIZ)) {	3776	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	3777	$who->message ("reloading server.");
		3778	async {
		3779	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	3780	reload_perl;
		3781	};
3252	}	3782	}
3253	};	3783	};
3254		3784
3255	unshift @INC, $LIBDIR;	3785	unshift @INC, $LIBDIR;
3256		3786
…		…
3258		3788
3259	our @WAIT_FOR_TICK;	3789	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;	3790	our @WAIT_FOR_TICK_BEGIN;
3261		3791
3262	sub wait_for_tick {	3792	sub wait_for_tick {
3263	return unless $TICK_WATCHER->is_active;
3264	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3265		3794
3266	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3267	push @WAIT_FOR_TICK, $signal;	3796	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;	3797	$signal->wait;
3269	}	3798	}
3270		3799
3271	sub wait_for_tick_begin {	3800	sub wait_for_tick_begin {
3272	return unless $TICK_WATCHER->is_active;
3273	return if $Coro::current == $Coro::main;	3801	return if tick_inhibit || $Coro::current == $Coro::main;
3274		3802
3275	my $signal = new Coro::Signal;	3803	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	3804	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	3805	$signal->wait;
3278	}	3806	}
3279		3807
3280	my $min = 1e6;#d#	3808	sub tick {
3281	my $avg = 10;
3282	$TICK_WATCHER = Event->timer (
3283	reentrant => 0,
3284	parked => 1,
3285	prio => 0,
3286	at => $NEXT_TICK || $TICK,
3287	data => WF_AUTOCANCEL,
3288	cb => sub {
3289	if ($Coro::current != $Coro::main) {	3809	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3810	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	3811	unless ++$bug_warning > 10;
3292	return;	3812	return;
3293	}	3813	}
3294		3814
3295	$NOW = $tick_start = Event::time;
3296
3297	cf::server_tick; # one server iteration	3815	cf::server_tick; # one server iteration
3298		3816
3299	0 && sync_job {#d#	3817	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3300	for(1..10) {	3818	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3301	my $t = Event::time;	3819	Coro::async_pool {
3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3820	$Coro::current->{desc} = "runtime saver";
3303	or die;	3821	write_runtime_sync
3304		3822	or warn "ERROR: unable to write runtime file: $!";
3305	$map->width (50);
3306	$map->height (50);
3307	$map->alloc;
3308	$map->_load_objects ("/tmp/x.map", 1);
3309	my $t = Event::time - $t;
3310
3311	#next unless $t < 0.0013;#d#
3312	if ($t < $min) {
3313	$min = $t;
3314	}
3315	$avg = $avg * 0.99 + $t * 0.01;
3316	}
3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3318	exit 0;
3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3320	};	3823	};
		3824	}
3321		3825
3322	$RUNTIME += $TICK;
3323	$NEXT_TICK += $TICK;
3324
3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
3327	Coro::async_pool {
3328	write_runtime
3329	or warn "ERROR: unable to write runtime file: $!";
3330	};
3331	}
3332
3333	# my $AFTER = Event::time;
3334	# warn $AFTER - $NOW;#d#
3335
3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3826	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	3827	$sig->send;
3338	}	3828	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	3829	while (my $sig = shift @WAIT_FOR_TICK) {
3340	$sig->send;	3830	$sig->send;
3341	}	3831	}
3342		3832
3343	$NOW = Event::time;	3833	$LOAD = ($NOW - $TICK_START) / $TICK;
3344
3345	# if we are delayed by four ticks or more, skip them all
3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3347
3348	$TICK_WATCHER->at ($NEXT_TICK);
3349	$TICK_WATCHER->start;
3350
3351	$LOAD = ($NOW - $tick_start) / $TICK;
3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3834	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		3835
3354	_post_tick;	3836	if (0) {
3355		3837	if ($NEXT_TICK) {
3356		3838	my $jitter = $TICK_START - $NEXT_TICK;
		3839	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3840	warn "jitter $JITTER\n";#d#
		3841	}
3357	},	3842	}
3358	);	3843	}
3359		3844
3360	{	3845	{
3361	BDB::max_poll_time $TICK * 0.1;	3846	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	3847
3363	reentrant => 0,
3364	fd => BDB::poll_fileno,
3365	poll => 'r',
3366	prio => 0,
3367	data => WF_AUTOCANCEL,
3368	cb => \&BDB::poll_cb,
3369	);
3370	BDB::min_parallel 8;	3848	BDB::min_parallel 8;
3371		3849	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	3850	$AnyEvent::BDB::WATCHER->priority (1);
3373	my $status;
3374	my $current = $Coro::current;
3375	(
3376	sub {
3377	$status = $!;
3378	$current->ready; undef $current;
3379	},
3380	sub {
3381	Coro::schedule while defined $current;
3382	$! = $status;
3383	},
3384	)
3385	};
3386		3851
3387	unless ($DB_ENV) {	3852	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	3853	$DB_ENV = BDB::db_env_create;
		3854	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3855	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3856	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3857	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3858	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		3859
3390	cf::sync_job {	3860	cf::sync_job {
3391	eval {	3861	eval {
3392	BDB::db_env_open	3862	BDB::db_env_open
3393	$DB_ENV,	3863	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3865	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3866	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	3867	0666;
3398		3868
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3869	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3400
3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3402	$DB_ENV->set_lk_detect;
3403	};	3870	};
3404		3871
3405	cf::cleanup "db_env_open(db): $@" if $@;	3872	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	3873	};
3407	}	3874	}
		3875
		3876	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3877	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3878	};
		3879	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3880	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3881	};
		3882	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3883	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3884	};
3408	}	3885	}
3409		3886
3410	{	3887	{
		3888	# configure IO::AIO
		3889
3411	IO::AIO::min_parallel 8;	3890	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	3891	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	3892	undef $AnyEvent::AIO::WATCHER;
3416	reentrant => 0,
3417	data => WF_AUTOCANCEL,
3418	fd => IO::AIO::poll_fileno,
3419	poll => 'r',
3420	prio => 6,
3421	cb => \&IO::AIO::poll_cb,
3422	);
3423	}	3893	}
3424		3894
3425	my $_log_backtrace;	3895	my $_log_backtrace;
3426		3896
3427	sub _log_backtrace {	3897	sub _log_backtrace {
…		…
3430	$msg =~ s/\n//;	3900	$msg =~ s/\n//;
3431		3901
3432	# limit the # of concurrent backtraces	3902	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	3903	if ($_log_backtrace < 2) {
3434	++$_log_backtrace;	3904	++$_log_backtrace;
		3905	my $perl_bt = Carp::longmess $msg;
3435	async {	3906	async {
		3907	$Coro::current->{desc} = "abt $msg";
		3908
3436	my @bt = fork_call {	3909	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	3910	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3911	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3912	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	3913	or die "addr2line: $!";
…		…
3448	}	3921	}
3449		3922
3450	@funcs	3923	@funcs
3451	};	3924	};
3452		3925
3453	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $perl_bt\n";
		3927	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	3928	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	3929	--$_log_backtrace;
3456	};	3930	};
3457	} else {	3931	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $msg\n";
3459	LOG llevInfo, "[ABT] [suppressed]\n";	3933	LOG llevInfo, "[ABT] [suppressed]\n";
3460	}	3934	}
3461	}	3935	}
3462		3936
3463	# load additional modules	3937	# load additional modules
3464	use cf::pod;	3938	require "cf/$_.pm" for @EXTRA_MODULES;
3465		3939
3466	END { cf::emergency_save }	3940	END { cf::emergency_save }
3467		3941
3468	1	3942	1
3469		3943

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