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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 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 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 off
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	}
112		150
113	mkdir $_	151	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		197
160	The raw value load value from the last tick.	198	The raw value load value from the last tick.
161		199
162	=item %cf::CFG	200	=item %cf::CFG
163		201
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	203	from wherever your confdir points to.
166		204
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		206
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	225	$msg .= "\n"
188	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
189		227
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		229
192	utf8::encode $msg;
193	LOG llevError, $msg;	230	LOG llevError, $msg;
194	};	231	};
195	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
196		248
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	259	for my $pkg (qw(
208	cf::global cf::attachable	260	cf::global cf::attachable
209	cf::object cf::object::player	261	cf::object cf::object::player
210	cf::client cf::player	262	cf::client cf::player
211	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
212	cf::map cf::party cf::region	265	cf::party cf::region
213	)) {	266	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	268	}
217		269
218	$Event::DIED = sub {	270	$EV::DIED = sub {
219	warn "error in event callback: @_";	271	warn "error in event callback: @_";
220	};	272	};
221		273
222	#############################################################################	274	#############################################################################
223		275
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	299	$d
248	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
249	}	301	}
250		302
251	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
252		304
253	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
254		306
255	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
256		308
257	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
258		310
259	=cut	311	=cut
260		312
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		314
263	sub to_json ($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
265		331
266	=item cf::lock_wait $string	332	=item cf::lock_wait $string
267		333
268	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
269		335
270	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
271		337
272	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
275	returned.	341	returned.
276		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
277	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
279		348
280	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
281		350
282	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
283		352
284	=cut	353	=cut
285		354
286	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
287		356
288	sub lock_wait($) {	357	sub lock_wait($) {
289	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	359	}
297		360
298	sub lock_acquire($) {	361	sub lock_acquire($) {
299	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
311		364
312	sub lock_active($) {	365	sub lock_active($) {
313	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	367	}
317		368
318	sub freeze_mainloop {	369	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
320		371
321	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	373	}
323	};	374
324	$TICK_WATCHER->stop;	375	=item cf::periodic $interval, $cb
325	$guard	376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
326	}	388	}
327		389
328	=item cf::get_slot $time[, $priority[, $name]]	390	=item cf::get_slot $time[, $priority[, $name]]
329		391
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	403	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	404	our $SLOT_QUEUE;
343		405
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
346	my $signal = new Coro::Signal;	410	my $signal = new Coro::Signal;
347		411
348	while () {	412	while () {
349	next_job:	413	next_job:
350	my $avail = cf::till_tick;	414	my $avail = cf::till_tick;
…		…
358	}	422	}
359	}	423	}
360	}	424	}
361		425
362	if (@SLOT_QUEUE) {	426	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	428	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	429	$signal->wait;
366	} else {	430	} else {
367	Coro::schedule;	431	Coro::schedule;
368	}	432	}
369	}	433	}
370	};	434	};
371		435
372	sub get_slot($;$$) {	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
373	my ($time, $pri, $name) = @_;	439	my ($time, $pri, $name) = @_;
374		440
375	$time = $TICK * .6 if $time > $TICK * .6;	441	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	442	my $sig = new Coro::Signal;
377		443
…		…
391		457
392	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
393		459
394	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
395		461
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	462	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	463	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	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	465	acceptable.
400		466
401	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		473
408	sub sync_job(&) {	474	sub sync_job(&) {
409	my ($job) = @_;	475	my ($job) = @_;
410		476
411	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	478	my $time = EV::time;
413		479
414	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
416		482
417	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	484
419	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
420		486
421	my $busy = 1;	487	my $busy = 1;
422	my @res;	488	my @res;
423		489
424	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	492	@res = eval { $job->() };
426	warn $@ if $@;	493	warn $@ if $@;
427	undef $busy;	494	undef $busy;
428	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
429		496
430	while ($busy) {	497	while ($busy) {
431	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
432	}	502	}
		503	}
433		504
434	$time = Event::time - $time;	505	my $time = EV::time - $time;
435		506
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	507	$TICK_START += $time; # do not account sync jobs to server load
440		508
441	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
442	} else {	510	} else {
443	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
444		512
…		…
469	=item fork_call { }, $args	537	=item fork_call { }, $args
470		538
471	Executes the given code block with the given arguments in a seperate	539	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	540	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	541	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	542	never block itself or use any form of event handling.
475		543
476	=cut	544	=cut
477		545
478	sub fork_call(&@) {	546	sub fork_call(&@) {
479	my ($cb, @args) = @_;	547	my ($cb, @args) = @_;
480		548
481	# we seemingly have to make a local copy of the whole thing,	549	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	550	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	551	# TODO: investigate and fix (likely this will be rather laborious)
484		552
485	my @res = Coro::Util::fork_eval {	553	my @res = Coro::Util::fork_eval {
486	reset_signals;	554	reset_signals;
487	&$cb	555	&$cb
488	}, @args;	556	}, @args;
489		557
490	wantarray ? @res : $res[-1]	558	wantarray ? @res : $res[-1]
491	}	559	}
492		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
493	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
494		589
495	Returns a single value from the environment database.	590	Returns a single value from the environment database.
496		591
497	=item cf::db_put $family => $key => $value	592	=item cf::db_put $family => $key => $value
498		593
499	Stores the given C<$value> in the family. It can currently store binary	594	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).	595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
502	=cut	602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
503		620
504	our $DB;	621	our $DB;
505		622
506	sub db_init {	623	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	624	cf::sync_job {
511	eval {	625	$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	}	626	};
521	}	627	}
522		628
523	sub db_get($$) {	629	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	630	my $key = "$_[0]/$_[1]";
525		631
…		…
575	if (1) {	681	if (1) {
576	$md5 =	682	$md5 =
577	join "\x00",	683	join "\x00",
578	$processversion,	684	$processversion,
579	map {	685	map {
580	Coro::cede;	686	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	687	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	688	} 0.. $#$src;
583		689
584		690
585	my $dbmd5 = db_get cache => "$id/md5";	691	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		729
624	#############################################################################	730	#############################################################################
625		731
626	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
627		733
628	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
631		737
632	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	740	Deliantra).
635		741
636	=over 4	742	=over 4
637		743
638	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
639		745
…		…
683	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
684		790
685	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
687		793
688	Some classes such as crossfire maps and objects can specify attachments	794	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.	795	that are attached at load/instantiate time, thus the need for a name.
690		796
691	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
692		798
693	=over 4	799	=over 4
…		…
921	}	1027	}
922		1028
923	0	1029	0
924	}	1030	}
925		1031
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1033
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1035
930	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
931		1037
…		…
937		1043
938	=cut	1044	=cut
939		1045
940	#############################################################################	1046	#############################################################################
941	# object support	1047	# object support
942	#
943		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
944	sub _can_merge {	1082	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1083	my ($ob1, $ob2) = @_;
946		1084
947	local $Storable::canonical = 1;	1085	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1086
951	$fob1 eq $fob2	1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
952	}	1089	}
953		1090
954	sub reattach {	1091	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1093	my ($obj) = @_;
957		1094
		1095	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1097
960	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
961		1099
962	@$registry = ();	1100	@$registry = ();
963		1101
…		…
978	cf::attachable->attach (	1116	cf::attachable->attach (
979	prio => -1000000,	1117	prio => -1000000,
980	on_instantiate => sub {	1118	on_instantiate => sub {
981	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
982		1120
983	$data = from_json $data;	1121	$data = decode_json $data;
984		1122
985	for (@$data) {	1123	for (@$data) {
986	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
987		1125
988	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1142	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
1006		1144
1007	sync_job {	1145	sync_job {
1008	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1011		1150
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1155	aio_close $fh;
1017		1156
1018	if (@$objs) {	1157	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1163	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1165	}
1027	} else {	1166	} else {
1028	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1029	}	1168	}
1030		1169
1031	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1174	} else {
1033	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1034	}	1176	}
1035	} else {	1177	} else {
1036	aio_unlink $filename;	1178	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1038	}	1180	}
1039	}	1181	};
1040	}	1182	}
1041		1183
1042	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
1044		1186
…		…
1056	or return;	1198	or return;
1057		1199
1058	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1202	or return;
		1203
1061	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
1062	}	1206	}
1063		1207
		1208	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1210	$decname, length $data, scalar @{$av || []};
		1211
1066	return ($data, $av);	1212	($data, $av)
1067	}	1213	}
1068		1214
1069	=head2 COMMAND CALLBACKS	1215	=head2 COMMAND CALLBACKS
1070		1216
1071	=over 4	1217	=over 4
…		…
1125	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1126		1272
1127	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1128	}	1274	}
1129		1275
		1276	use File::Glob ();
		1277
1130	cf::player->attach (	1278	cf::player->attach (
1131	on_command => sub {	1279	on_command => sub {
1132	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1133		1281
1134	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1149	my ($type, $reply, @payload) =	1297	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1298	"ARRAY" eq ref $msg
1151	? @$msg	1299	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1301
		1302	my @reply;
		1303
1154	if (my $cb = $EXTCMD{$type}) {	1304	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1305	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1160	} else {	1311	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1313	}
1163		1314
1164	cf::override;	1315	cf::override;
1165	},	1316	},
1166	);	1317	);
		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
1167		1331
1168	sub load_extensions {	1332	sub load_extensions {
1169	cf::sync_job {	1333	cf::sync_job {
1170	my %todo;	1334	my %todo;
1171		1335
…		…
1191		1355
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1358
1195	$ext{source} =	1359	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1198	. $source	1362	. $source
1199	. "\n};\n1";	1363	. "\n};\n1";
1200		1364
1201	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1217	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1218	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1219		1383
1220	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1221	warn $msg;	1385	warn $msg;
1222	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1223	exit 1;
1224	}	1387	}
1225		1388
1226	warn $msg;	1389	warn $msg;
1227	}	1390	}
1228		1391
…		…
1242		1405
1243	=back	1406	=back
1244		1407
1245	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1246		1409
1247	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1248		1411
1249	=cut	1412	=cut
1250		1413
1251	package cf::player;	1414	package cf::player;
1252		1415
1253	use Coro::AIO;	1416	use Coro::AIO;
1254		1417
1255	=head3 cf::player	1418	=head3 cf::player
1256		1419
1257	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
1258		1435
1259	=item cf::player::find $login	1436	=item cf::player::find $login
1260		1437
1261	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1262		1439
…		…
1281		1458
1282	sub exists($) {	1459	sub exists($) {
1283	my ($login) = @_;	1460	my ($login) = @_;
1284		1461
1285	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1287	}	1464	}
1288		1465
1289	sub find($) {	1466	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1468	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1479
1303	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1306	}	1489	}
1307	}	1490	}
1308	}	1491	}
1309		1492
…		…
1318	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1319		1502
1320	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1322		1505
		1506	cf::get_slot 0.01;
		1507
1323	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1324	Coro::cede;	1509	cf::cede_to_tick;
1325	}	1510	}
1326		1511
1327	sub new($) {	1512	sub new($) {
1328	my ($login) = @_;	1513	my ($login) = @_;
1329		1514
…		…
1358	my ($pl) = @_;	1543	my ($pl) = @_;
1359		1544
1360	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1361		1546
1362	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1549
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1369		1556
1370	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1594	or return [];
1408		1595
1409	my @logins;	1596	my @logins;
1410		1597
1411	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1415		1608
1416	utf8::decode $login;	1609	utf8::decode $login;
1417	push @logins, $login;	1610	push @logins, $login;
1418	}	1611	}
1419		1612
…		…
1446	}	1639	}
1447		1640
1448	\@paths	1641	\@paths
1449	}	1642	}
1450		1643
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1645
1453	Expand crossfire pod fragments into protocol xml.	1646	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		1647
1501	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1502		1649
1503	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1504		1651
1505	=cut	1652	=cut
1506		1653
1507	sub ext_reply($$@) {	1654	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1655	my ($self, $id, @msg) = @_;
1509		1656
1510	if ($self->ns->extcmd == 2) {	1657	$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	}	1658	}
1518		1659
1519	=item $player->ext_msg ($type, @msg)	1660	=item $player->ext_msg ($type, @msg)
1520		1661
1521	Sends an ext event to the client.	1662	Sends an ext event to the client.
…		…
1577	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1579		1720
1580	sub generate_random_map {	1721	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1582	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1727	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1852
1709	# the temporary/swap location	1853	# the temporary/swap location
1710	sub save_path {	1854	sub save_path {
1711	my ($self) = @_;	1855	my ($self) = @_;
1712		1856
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1715	}	1859	}
1716		1860
1717	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1718	sub uniq_path {	1862	sub uniq_path {
1719	my ($self) = @_;	1863	my ($self) = @_;
1720		1864
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1866	"$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	}	1867	}
1733		1868
1734	sub decay_objects {	1869	sub decay_objects {
1735	my ($self) = @_;	1870	my ($self) = @_;
1736		1871
…		…
1749		1884
1750	sub load_header_from($) {	1885	sub load_header_from($) {
1751	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1752		1887
1753	utf8::encode $path;	1888	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1759		1897
1760	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1761		1899
1762	1	1900	1
1763	}	1901	}
…		…
1817	sub find {	1955	sub find {
1818	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1819		1957
1820	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1821		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1823		1962
1824	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1827	or return;	1965	or return;
1828		1966
1829	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1830		1968
…		…
1832	or return;	1970	or return;
1833		1971
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1837	$map->reset;	1977	$map->reset;
1838	undef $guard;
1839	return find $path;	1978	return find $path;
1840	}	1979	}
1841		1980
1842	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1843	}	1982	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1853		1992
1854	my $path = $self->{path};	1993	my $path = $self->{path};
1855		1994
1856	{	1995	{
1857	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1858		1997
		1998	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2000
1861	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1862		2002
1863	$self->alloc;	2003	$self->alloc;
1864		2004
1865	$self->pre_load;	2005	$self->pre_load;
1866	Coro::cede;	2006	cf::cede_to_tick;
1867		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1869	or return;	2011	or return;
1870		2012
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1872	if delete $self->{load_original};	2014	if delete $self->{load_original};
1873		2015
1874	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2017	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2020	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1879	}	2024	}
1880	}	2025	}
1881		2026
1882	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1883	# now do the right thing for maps	2030	# now do the right thing for maps
1884	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2033	unless $self->difficulty;
1887	Coro::cede;	2034	cf::cede_to_tick;
1888		2035
1889	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2037	$self->decay_objects;
1891	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1892	$self->update_buttons;	2039	$self->update_buttons;
1893	Coro::cede;	2040	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2041	$self->activate;
1897	}	2042	}
1898		2043
1899	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1901		2046
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2048	}
1904		2049
1905	$self->post_load;	2050	$self->post_load;
1906	}	2051	}
1907		2052
…		…
1916		2061
1917	$self	2062	$self
1918	}	2063	}
1919		2064
1920	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1921	sub load_diag {	2066	sub load_neighbours {
1922	my ($map) = @_;	2067	my ($map) = @_;
1923		2068
1924	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1925		2070
1926	for (0 .. 3) {	2071	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1928	or next;	2073	or next;
1929	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1930	or next;	2075	or next;
1931	$neigh->load;	2076	$neigh->load;
1932		2077
		2078	push @neigh,
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}	2081	}
1936		2082
1937	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1938	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1939	or next;	2086	or next;
1940	$neigh->load;	2087	$neigh->load;
1941	}	2088	}
1942	}	2089	}
1943		2090
…		…
1948	}	2095	}
1949		2096
1950	sub do_load_sync {	2097	sub do_load_sync {
1951	my ($map) = @_;	2098	my ($map) = @_;
1952		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1953	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1954	}	2104	}
1955		2105
1956	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1958		2108
1959	sub find_async {	2109	sub find_async {
1960	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1961		2111
1962	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1963		2113
1964	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1966	}	2116	}
1967		2117
1968	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1969	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1970	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2125	if (my $map = find $k) {
1973	$map->load;	2126	$map->load if $v;
1974	}	2127	}
1975		2128
1976	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1977	}	2130	}
1978	}	2131	}
1979	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1980	};	2133	};
1981	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1984	}	2137	}
1985		2138
1986	sub save {	2139	sub save {
1987	my ($self) = @_;	2140	my ($self) = @_;
1988		2141
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1990		2143
1991	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1992		2145
1993	return unless $self->dirty;	2146	return unless $self->dirty;
1994		2147
…		…
2000	return if $self->{deny_save};	2153	return if $self->{deny_save};
2001		2154
2002	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
2003		2156
2004	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2006	};	2160	};
		2161
		2162	cf::get_slot 0.02;
2007		2163
2008	if ($uniq) {	2164	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2167	} else {
…		…
2017	my ($self) = @_;	2173	my ($self) = @_;
2018		2174
2019	# save first because save cedes	2175	# save first because save cedes
2020	$self->save;	2176	$self->save;
2021		2177
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2179
2024	return if $self->players;	2180	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2026	return if $self->{deny_save};	2182	return if $self->{deny_save};
2027		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2188	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2189	}
2031		2190
2032	sub reset_at {	2191	sub reset_at {
2033	my ($self) = @_;	2192	my ($self) = @_;
2034		2193
…		…
2066	if $uniq;	2225	if $uniq;
2067	}	2226	}
2068		2227
2069	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2070		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2232	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2233
2075	$self->unlink_save;	2234	$self->unlink_save;
2076	$self->destroy;	2235	$self->destroy;
2077	}	2236	}
2078		2237
2079	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2080		2239
2081	sub nuke {	2240	sub nuke {
2082	my ($self) = @_;	2241	my ($self) = @_;
2083		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2084	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2085		2247
2086	$self->unlink_save;	2248	$self->unlink_save;
2087		2249
2088	bless $self, "cf::map";	2250	bless $self, "cf::map";
2089	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2255
2094	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2095		2258
2096	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2097	}	2260	}
2098		2261
2099	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2141		2304
2142	sub unique_maps() {	2305	sub unique_maps() {
2143	[	2306	[
2144	map {	2307	map {
2145	utf8::decode $_;	2308	utf8::decode $_;
2146	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2147	? normalise $_	2312	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2314	]
2151	}	2315	}
2152		2316
2153	package cf;
2154
2155	=back	2317	=back
2156		2318
2157	=head3 cf::object	2319	=head3 cf::object
2158		2320
2159	=cut	2321	=cut
…		…
2162		2324
2163	=over 4	2325	=over 4
2164		2326
2165	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2166		2328
2167	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2168		2331
2169	=cut	2332	=cut
2170		2333
2171	sub inv_recursive_;	2334	sub inv_recursive_;
2172	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2175		2338
2176	sub inv_recursive {	2339	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2178	}	2341	}
2179		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2180	package cf;	2371	package cf;
2181		2372
2182	=back	2373	=back
2183		2374
2184	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2190	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
2192	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2193		2384
2194	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2195		2400
2196	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2402	# with dialog boxes.
2198	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2199	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2418
2214	} else {	2419	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2422	}
2218	}	2423	}
2219	}	2424	}
2220		2425
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2451
2247	=item $player_object->enter_link	2452	=item $player_object->enter_link
2248		2453
2249	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2250		2455
2251	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2252	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2253		2460
2254	Will never block.	2461	Will never block.
2255		2462
2256	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2257		2464
…		…
2312	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2315		2522
2316	$map->load;	2523	$map->load;
2317	$map->load_diag;	2524	$map->load_neighbours;
2318		2525
2319	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2320	$self->activate_recursive;	2528	$self->activate_recursive;
2321		2529
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2324	}	2532	}
…		…
2329	her, loading and preparing them map, calling the provided $check callback	2537	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	2538	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	2539	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2540	be called at the end of this process.
2333		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2334	=cut	2545	=cut
2335		2546
2336	our $GOTOGEN;	2547	our $GOTOGEN;
2337		2548
2338	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2554
2344	$self->enter_link;	2555	$self->enter_link;
2345		2556
2346	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2347	my $map = eval {	2579	my $map = eval {
2348	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2349		2581
2350	if ($map) {	2582	if ($map) {
2351	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2353	} else {	2585	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2587	}
2356		2588
2357	$map	2589	$map
2358	};	2590	};
2359		2591
…		…
2395	}	2627	}
2396		2628
2397	sub prepare_random_map {	2629	sub prepare_random_map {
2398	my ($exit) = @_;	2630	my ($exit) = @_;
2399		2631
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2634	# that depends on the exit object
2405		2635
2406	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2638	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2413	}	2645	}
2414		2646
2415	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2416		2648
2417	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2420		2652
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2655	undef $fh;
2424	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2425		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2428	}	2664	}
2429	}	2665	}
2430		2666
2431	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2433		2669
2434	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2435		2671
2436	if ($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;	2672	$self->enter_link;
2448		2673
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 {	2674	(async {
2454	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2455	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2456	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2457		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2458	1;	2698	1
2459	}) {	2699	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2704
2465	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2495		2735
2496	=cut	2736	=cut
2497		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
2498	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2500		2830
2501	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2502		2833
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
2505	if (ref $channel) {	2843	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	2847	$self->ext_msg (channel_info => $channel);
2510	}	2848	}
…		…
2512	$channel = $channel->{id};	2850	$channel = $channel->{id};
2513	}	2851	}
2514		2852
2515	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2516		2854
2517	if ($self->can_msg) {
2518	# default colour, mask it out	2855	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2521		2858
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2524	} else {	2862	);
2525	if ($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		2863
2536	$color &= cf::NDI_COLOR_MASK;	2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
2537		2867
2538	utf8::encode $msg;	2868	# split very large packets
2539		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2540	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2541	# COMMAND/INFO	2871	$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	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2549	}	2875	}
2550		2876
2551	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2552		2878
2553	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
2555	=cut	2881	=cut
2556		2882
2557	sub cf::client::ext_msg($$@) {	2883	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	2884	my ($self, $type, @msg) = @_;
2559		2885
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	2886	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	2888	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	2889	push @msg, msgtype => "event_$type";
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	2909	}
2568	}	2910	}
2569		2911
2570	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
…		…
2632	my ($type, $reply, @payload) =	2974	my ($type, $reply, @payload) =
2633	"ARRAY" eq ref $msg	2975	"ARRAY" eq ref $msg
2634	? @$msg	2976	? @$msg
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		2978
		2979	my @reply;
		2980
2637	if (my $cb = $EXTICMD{$type}) {	2981	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	2982	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
2643	} else {	2988	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	2990	}
2646		2991
2647	cf::override;	2992	cf::override;
…		…
2707	=pod	3052	=pod
2708		3053
2709	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2710		3055
2711	cf::object	3056	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3057	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3058	insert remove name archname title slaying race decrease split
		3059	value
2714		3060
2715	cf::object::player	3061	cf::object::player
2716	player	3062	player
2717		3063
2718	cf::player	3064	cf::player
…		…
2723		3069
2724	=cut	3070	=cut
2725		3071
2726	for (	3072	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2732	) {	3079	) {
2733	no strict 'refs';	3080	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2752	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2753		3100
2754	my $qcode = $code;	3101	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2757		3106
2758	local $_;	3107	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2760		3109
2761	my $eval =	3110	my $eval =
…		…
2809	# the server's init and main functions	3158	# the server's init and main functions
2810		3159
2811	sub load_facedata($) {	3160	sub load_facedata($) {
2812	my ($path) = @_;	3161	my ($path) = @_;
2813		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2814	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2815		3170
2816	my $facedata;	3171	my $facedata;
2817	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3173	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2821		3176
2822	$facedata->{version} == 2	3177	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2825	{	3187	{
2826	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2827		3189
2828	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2830	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3197
2835	cf::cede_to_tick;	3198	cf::cede_to_tick;
2836	}	3199	}
2837		3200
2838	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2840	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2841	or next;	3205	or next;
		3206
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3210	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3228
2864	{	3229	{
2865	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3233
2872	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3235	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
2879		3238
2880	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
2881	# prepend meta info	3240	# prepend meta info
2882		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3248	} else {
		3249	$data = $info->{data};
		3250	}
2885		3251
2886	cf::face::set_data $idx, 0, $data, $chk;	3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
2887	} else {	3254	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3255	$RESOURCE{$name} = $info;
2889	}	3256	}
2890		3257
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3258	cf::cede_to_tick;
2894	}	3259	}
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	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3263
2915	1	3264	1
2916	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
2917		3286
2918	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
2919	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
2920		3289
2921	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
2923	}	3292	}
2924	};	3293	};
2925		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2926	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2927	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2929		3312
2930	for (cf::region::list) {	3313	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2939	}	3322	}
2940		3323
2941	sub reload_archetypes {	3324	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3326	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	}	3327	}
2950		3328
2951	sub reload_treasures {	3329	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2954	}	3332	}
2955		3333
2956	sub reload_resources {	3334	sub reload_resources {
2957	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2958		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2959	reload_regions;	3339	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3340	reload_treasures;
2964		3341
2965	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2966	}	3343	}
2967		3344
2968	sub init {	3345	sub reload_config {
2969	reload_resources;
2970	}
2971
2972	sub cfg_load {
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2974	or return;	3347	or return;
2975		3348
2976	local $/;	3349	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2978		3351
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2980		3353
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2982	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2988	};	3361	};
2989	warn $@ if $@;	3362	warn $@ if $@;
2990	}	3363	}
2991	}	3364	}
2992		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2993	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2994	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3403	(async {
2998	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3000	};	3407	};
3001		3408
3002	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
3003	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3004	load_extensions;	3427	load_extensions;
3005		3428
3006	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
3007	Event::loop;	3437	EV::loop;
3008	}	3438	}
3009		3439
3010	#############################################################################	3440	#############################################################################
3011	# initialisation and cleanup	3441	# initialisation and cleanup
3012		3442
3013	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
3014	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3447	$SIGWATCHER{$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";	3448	cf::cleanup "SIG$signal";
3023	},
3024	);	3449	};
3025	}	3450	}
3026	}	3451	}
3027		3452
3028	sub write_runtime {	3453	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";
3030
3031	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3033		3456
3034	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3458
3036	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3037		3460
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3039	or return;	3462	or return;
3040		3463
3041	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3054		3477
3055	close $fh	3478	close $fh
3056	or return;	3479	or return;
3057		3480
3058	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3482	and return;
3060		3483
3061	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3062		3485
3063	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3064	}	3537	}
3065		3538
3066	sub emergency_save() {	3539	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3068		3541
3069	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3070		3543
3071	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3072	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3558	$pl->save;
3080	}	3559	}
3081	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3082		3561
3083	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3565	$map->valid or next;
3087	$map->save;	3566	$map->save;
3088	}	3567	}
3089	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3090		3569
3091	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3094	};	3577	};
3095		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3096	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3097	}	3585	}
3098		3586
3099	sub post_cleanup {	3587	sub post_cleanup {
3100	my ($make_core) = @_;	3588	my ($make_core) = @_;
3101		3589
3102	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3104	}	3621	}
3105		3622
3106	sub do_reload_perl() {	3623	sub do_reload_perl() {
3107	# can/must only be called in main	3624	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3109	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3110	return;	3627	return;
3111	}	3628	}
3112		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3113	warn "reloading...";	3635	warn "reloading...";
3114		3636
3115	warn "entering sync_job";	3637	warn "entering sync_job";
3116		3638
3117	cf::sync_job {	3639	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3119	cf::emergency_save;	3641	cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3121		3643
3122	warn "syncing database to disk";	3644	warn "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3124		3646
3125	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3126		3648
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3138	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3139	}
3140
3141	++$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	}	3652	}
3164		3653
3165	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3166	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3167	}	3656	%EXT_CORO = ();
3168		3657
3169	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3170	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3173	warn "... unloading $k";	3667	warn "... unloading $pkg";
3174	delete $INC{$k};
3175		3668
3176	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;
3178
3179	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3180	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3181	}	3678	}
3182		3679
3183	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3184	}	3695	}
3185		3696
3186	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		3700
3190	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3193		3704
3194	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3195	# and global variables created in xs	3706	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3197		3708
3198	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3199		3710
3200	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3201	require cf;	3712	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3203		3714
3204	warn "loading config and database again";	3715	warn "loading config and database again";
3205	cf::cfg_load;	3716	cf::reload_config;
3206		3717
3207	warn "loading extensions";	3718	warn "loading extensions";
3208	cf::load_extensions;	3719	cf::load_extensions;
3209		3720
		3721	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3213	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3216		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3217	warn "leaving sync_job";	3733	warn "leaving sync_job";
3218		3734
3219	1	3735	1
3220	} or do {	3736	} or do {
3221	warn $@;	3737	warn $@;
3222	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3223	exit 1;
3224	};	3739	};
3225		3740
3226	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3227	};	3747	};
3228		3748
3229	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3230		3750
3231	sub reload_perl() {	3751	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3234		3754
3235	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	3757
3238	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	3759	do_reload_perl;
3241	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3242	},	3761	};
3243	);	3762	};
3244	}	3763	}
3245		3764
3246	register_command "reload" => sub {	3765	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3248		3767
3249	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	3772	reload_perl;
		3773	};
3252	}	3774	}
3253	};	3775	};
3254		3776
3255	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3256		3778
…		…
3258		3780
3259	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3261		3783
3262	sub wait_for_tick {	3784	sub wait_for_tick {
3263	return unless $TICK_WATCHER->is_active;
3264	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3265		3786
3266	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3267	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;	3789	$signal->wait;
3269	}	3790	}
3270		3791
3271	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3272	return unless $TICK_WATCHER->is_active;
3273	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3274		3794
3275	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	3797	$signal->wait;
3278	}	3798	}
3279		3799
3280	my $min = 1e6;#d#	3800	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 != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3292	return;	3804	return;
3293	}	3805	}
3294		3806
3295	$NOW = $tick_start = Event::time;
3296
3297	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3298		3808
3299	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3300	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3301	my $t = Event::time;	3811	Coro::async_pool {
3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3303	or die;	3813	write_runtime_sync
3304		3814	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	};	3815	};
		3816	}
3321		3817
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) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	3819	$sig->send;
3338	}	3820	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3340	$sig->send;	3822	$sig->send;
3341	}	3823	}
3342		3824
3343	$NOW = Event::time;	3825	$LOAD = ($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;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		3827
3354	_post_tick;	3828	if (0) {
3355		3829	if ($NEXT_TICK) {
3356		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3357	},	3834	}
3358	);	3835	}
3359		3836
3360	{	3837	{
3361	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
3371		3841	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	3842	$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	$! = $status;
3383	},
3384	)
3385	};
3386		3843
3387	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		3851
3390	cf::sync_job {	3852	cf::sync_job {
3391	eval {	3853	eval {
3392	BDB::db_env_open	3854	BDB::db_env_open
3393	$DB_ENV,	3855	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	3859	0666;
3398		3860
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($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	};	3862	};
3404		3863
3405	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	3865	};
3407	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3408	}	3877	}
3409		3878
3410	{	3879	{
		3880	# configure IO::AIO
		3881
3411	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	3884	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	}	3885	}
3424		3886
3425	my $_log_backtrace;	3887	my $_log_backtrace;
3426		3888
3427	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3430	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3431		3893
3432	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3434	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3435	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3436	my @bt = fork_call {	3901	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3448	}	3913	}
3449		3914
3450	@funcs	3915	@funcs
3451	};	3916	};
3452		3917
3453	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	3921	--$_log_backtrace;
3456	};	3922	};
3457	} else {	3923	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3459	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3460	}	3926	}
3461	}	3927	}
3462		3928
3463	# load additional modules	3929	# load additional modules
3464	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3465		3931
3466	END { cf::emergency_save }	3932	END { cf::emergency_save }
3467		3933
3468	1	3934	1
3469		3935

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