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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 2008 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
308	}	443	}
309		444
310	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
311		446
312	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		452
318	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
319		454
320	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
321		456
322	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
325		461
326	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
329	fast or be very important.	465	fast or be very important.
…		…
332		468
333	sub sync_job(&) {	469	sub sync_job(&) {
334	my ($job) = @_;	470	my ($job) = @_;
335		471
336	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	473	my $time = EV::time;
338		474
339	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
341		477
342	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	479
344	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
345		481
346	my $busy = 1;	482	my $busy = 1;
347	my @res;	483	my @res;
348		484
349	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	487	@res = eval { $job->() };
351	warn $@ if $@;	488	warn $@ if $@;
352	undef $busy;	489	undef $busy;
353	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
354		491
355	while ($busy) {	492	while ($busy) {
356	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
357	}	497	}
		498	}
358		499
359	$time = Event::time - $time;	500	my $time = EV::time - $time;
360		501
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
365		503
366	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
367	} else {	505	} else {
368	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
369		507
…		…
389	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
390		528
391	$coro	529	$coro
392	}	530	}
393		531
394	sub write_runtime {	532	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		533
397	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
399		538
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	539	=cut
401	utime undef, undef, $fh;	540
		541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
		543
		544	# we seemingly have to make a local copy of the whole thing,
		545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
		547
		548	my @res = Coro::Util::fork_eval {
		549	reset_signals;
		550	&$cb
		551	}, @args;
		552
		553	wantarray ? @res : $res[-1]
		554	}
		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
402	}	610	};
		611	cf::cleanup "db_open(db): $@" if $@;
403		612
404	my $guard = cf::lock_acquire "write_runtime";	613	$db
		614	}
405		615
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	616	our $DB;
407	or return;
408		617
409	my $value = $cf::RUNTIME + 90 + 10;	618	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	619	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	620	$DB ||= db_table "db";
		621	};
		622	}
412		623
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	624	sub db_get($$) {
414	and return;	625	my $key = "$_[0]/$_[1]";
415		626
416	# always fsync - this file is important	627	cf::sync_job {
417	aio_fsync $fh	628	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		629
420	# touch it again to show we are up-to-date	630	$! ? ()
421	utime undef, undef, $fh;	631	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
432	}	708	}
433		709
434	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
435		711
436	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
456		732
457	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	735	Deliantra).
460		736
461	=over 4	737	=over 4
462		738
463	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
464		740
…		…
666	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
667	}	943	}
668		944
669	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
670	} else {	946	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	948	}
673		949
674	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
675	}	951	}
676		952
…		…
716	";	992	";
717	die if $@;	993	die if $@;
718	}	994	}
719		995
720	our $override;	996	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		998
723	sub override {	999	sub override {
724	$override = 1;	1000	$override = 1;
725	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
726	}	1002	}
727		1003
728	sub do_invoke {	1004	sub do_invoke {
729	my $event = shift;	1005	my $event = shift;
730	my $callbacks = shift;	1006	my $callbacks = shift;
731		1007
732	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
733		1009
734	local $override;	1010	local $override;
735		1011
736	for (@$callbacks) {	1012	for (@$callbacks) {
737	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
746	}	1022	}
747		1023
748	0	1024	0
749	}	1025	}
750		1026
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1028
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1030
755	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
756		1032
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1036
761	=back	1037	=back
762		1038
763	=cut	1039	=cut
764		1040
765	#############################################################################	1041	#############################################################################
766	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
767		1085
768	sub reattach {	1086	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1088	my ($obj) = @_;
771		1089
…		…
792	cf::attachable->attach (	1110	cf::attachable->attach (
793	prio => -1000000,	1111	prio => -1000000,
794	on_instantiate => sub {	1112	on_instantiate => sub {
795	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
796		1114
797	$data = from_json $data;	1115	$data = decode_json $data;
798		1116
799	for (@$data) {	1117	for (@$data) {
800	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
801		1119
802	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1136	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
820		1138
821	sync_job {	1139	sync_job {
822	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
825		1144
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1149	aio_close $fh;
831		1150
832	if (@$objs) {	1151	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1157	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
840	}	1159	}
841	} else {	1160	} else {
842	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
843	}	1162	}
…		…
848	}	1167	}
849	} else {	1168	} else {
850	aio_unlink $filename;	1169	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
852	}	1171	}
853	}	1172	};
854	}	1173	}
855		1174
856	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
858		1177
…		…
870	or return;	1189	or return;
871		1190
872	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
874	or return;	1193	or return;
		1194
875	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
876	}	1197	}
877		1198
		1199	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
880	return ($data, $av);	1203	($data, $av)
881	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
882		1211
883	#############################################################################	1212	#############################################################################
884	# command handling &c	1213	# command handling &c
885		1214
886	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1229	}
901		1230
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1232
904	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
905		1238
906	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
907	called.	1240	called.
908		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
909	=cut	1253	=cut
910		1254
911	sub register_extcmd {	1255	sub register_extcmd {
912	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
913		1257
914	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
915	}	1265	}
916		1266
917	cf::player->attach (	1267	cf::player->attach (
918	on_command => sub {	1268	on_command => sub {
919	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1278	cf::override;
929	},	1279	},
930	on_extcmd => sub {	1280	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
932		1282
933	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1284
935	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
941	} else {	1300	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1302	}
944		1303
945	cf::override;	1304	cf::override;
946	},	1305	},
947	);	1306	);
948		1307
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
984	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1313	next unless -r $path;
986	eval {	1314
987	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
988	1	1371	}
989	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
990	}	1377	};
991	}	1378	}
992		1379
993	#############################################################################	1380	#############################################################################
994		1381
		1382	=back
		1383
995	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
996		1385
997	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
998		1387
999	=cut	1388	=cut
…		…
1003	use Coro::AIO;	1392	use Coro::AIO;
1004		1393
1005	=head3 cf::player	1394	=head3 cf::player
1006		1395
1007	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1008		1411
1009	=item cf::player::find $login	1412	=item cf::player::find $login
1010		1413
1011	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1012		1415
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1455
1053	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1056	}	1465	}
1057	}	1466	}
1058	}	1467	}
1059		1468
…		…
1068	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1069		1478
1070	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1072		1481
		1482	cf::get_slot 0.01;
		1483
1073	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1074	Coro::cede;	1485	cf::cede_to_tick;
1075	}	1486	}
1076		1487
1077	sub new($) {	1488	sub new($) {
1078	my ($login) = @_;	1489	my ($login) = @_;
1079		1490
…		…
1083	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1084		1495
1085	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1086		1497
1087	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1088	}	1509	}
1089		1510
1090	=item $pl->quit_character	1511	=item $pl->quit_character
1091		1512
1092	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1568	or return [];
1148		1569
1149	my @logins;	1570	my @logins;
1150		1571
1151	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1155		1582
1156	utf8::decode $login;	1583	utf8::decode $login;
1157	push @logins, $login;	1584	push @logins, $login;
1158	}	1585	}
1159		1586
…		…
1186	}	1613	}
1187		1614
1188	\@paths	1615	\@paths
1189	}	1616	}
1190		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1191	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1192		1712
1193	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1194		1714
1195	=cut	1715	=cut
1196		1716
1197	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1199		1719
1200	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1721	}
1204		1722
1205	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1206		1724
1207	Sends an ext event to the client.	1725	Sends an ext event to the client.
1208		1726
1209	=cut	1727	=cut
1210		1728
1211	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1213		1731
1214	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1215	}	1733	}
1216		1734
1217	=head3 cf::region	1735	=head3 cf::region
1218		1736
1219	=over 4	1737	=over 4
…		…
1222		1740
1223	package cf::region;	1741	package cf::region;
1224		1742
1225	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1226		1744
1227	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1228		1746
1229	=cut	1747	=cut
1230		1748
1231	sub find_by_path($) {	1749	sub find_by_path($) {
1232	my ($path) = @_;	1750	my ($path) = @_;
1233		1751
1234	my ($match, $specificity);	1752	my ($match, $specificity);
1235		1753
1236	for my $region (list) {	1754	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1240	}	1758	}
1241	}	1759	}
1242		1760
…		…
1263	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1265		1783
1266	sub generate_random_map {	1784	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1268	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1790	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1307		1828
1308	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1309	local $self->{path};	1830	local $self->{path};
1310	local $self->{load_path};	1831	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1832
1314	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1315	}	1834	}
1316		1835
1317	sub normalise {	1836	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1365	return $self;	1884	return $self;
1366	}	1885	}
1367	}	1886	}
1368		1887
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1889	()
1371	}	1890	}
1372		1891
1373	sub init {	1892	sub init {
1374	my ($self) = @_;	1893	my ($self) = @_;
…		…
1396		1915
1397	# the temporary/swap location	1916	# the temporary/swap location
1398	sub save_path {	1917	sub save_path {
1399	my ($self) = @_;	1918	my ($self) = @_;
1400		1919
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1403	}	1922	}
1404		1923
1405	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1406	sub uniq_path {	1925	sub uniq_path {
1407	my ($self) = @_;	1926	my ($self) = @_;
1408		1927
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1411	}	1930	}
1412		1931
1413	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1414	# all maps in C++...	1933	# all maps in C++...
…		…
1417		1936
1418	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1420	}	1939	}
1421		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1422	sub unlink_save {	1949	sub unlink_save {
1423	my ($self) = @_;	1950	my ($self) = @_;
1424		1951
1425	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1956
1430	sub load_header_from($) {	1957	sub load_header_from($) {
1431	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1432		1959
1433	utf8::encode $path;	1960	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1439		1969
1440	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1441		1971
1442	1	1972	1
1443	}	1973	}
…		…
1482	$self->load_header_orig	2012	$self->load_header_orig
1483	or return;	2013	or return;
1484	$self->prepare_orig;	2014	$self->prepare_orig;
1485	}	2015	}
1486		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1487	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2021	unless $self->default_region;
1489		2022
1490	1	2023	1
1491	}	2024	}
…		…
1494	sub find {	2027	sub find {
1495	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1496		2029
1497	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1498		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1500		2034
1501	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1503	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1504	or return;	2040	or return;
1505		2041
1506	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1507		2043
1508	$map->load_header	2044	$map->load_header
1509	or return;	2045	or return;
1510		2046
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1514	$map->reset;	2052	$map->reset;
1515	undef $guard;
1516	return find $path;	2053	return find $path;
1517	}	2054	}
1518		2055
1519	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1520	}	2057	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1530		2067
1531	my $path = $self->{path};	2068	my $path = $self->{path};
1532		2069
1533	{	2070	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1535		2072
		2073	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2075
1538	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1539		2077
1540	$self->alloc;	2078	$self->alloc;
1541		2079
1542	$self->pre_load;	2080	$self->pre_load;
1543	Coro::cede;	2081	cf::cede_to_tick;
1544		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1546	or return;	2086	or return;
1547		2087
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2089	if delete $self->{load_original};
1550		2090
1551	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2092	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2095	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1556	}	2099	}
1557	}	2100	}
1558		2101
1559	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1560	# now do the right thing for maps	2105	# now do the right thing for maps
1561	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2108	unless $self->difficulty;
1564	Coro::cede;	2109	cf::cede_to_tick;
1565		2110
1566	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2112	$self->decay_objects;
1568	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1569	$self->update_buttons;	2114	$self->update_buttons;
1570	Coro::cede;	2115	cf::cede_to_tick;
1571	$self->set_darkness_map;	2116	$self->set_darkness_map;
1572	Coro::cede;	2117	cf::cede_to_tick;
1573	$self->activate;	2118	$self->activate;
1574	}	2119	}
1575		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2125	}
1578		2126
1579	$self->post_load;	2127	$self->post_load;
1580	}	2128	}
1581		2129
…		…
1583	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1584		2132
1585	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2134	if $self->per_player;
1587		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1588	$self	2139	$self
1589	}	2140	}
1590		2141
1591	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2143	sub load_neighbours {
1593	my ($map) = @_;	2144	my ($map) = @_;
1594		2145
1595	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1596		2147
1597	for (0 .. 3) {	2148	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1599	or next;	2150	or next;
1600	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1601	or next;	2152	or next;
1602	$neigh->load;	2153	$neigh->load;
1603		2154
		2155	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2158	}
1607		2159
1608	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1610	or next;	2163	or next;
1611	$neigh->load;	2164	$neigh->load;
1612	}	2165	}
1613	}	2166	}
1614		2167
…		…
1619	}	2172	}
1620		2173
1621	sub do_load_sync {	2174	sub do_load_sync {
1622	my ($map) = @_;	2175	my ($map) = @_;
1623		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1624	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1625	}	2181	}
1626		2182
1627	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1629		2185
1630	sub find_async {	2186	sub find_async {
1631	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1632		2188
1633	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1634		2190
1635	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2193	}
1638		2194
1639	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1640	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1641	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2202	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2203	$map->load if $v;
		2204	}
1646		2205
1647	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1648	}	2207	}
1649	}	2208	}
1650	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1651	};	2210	};
1652	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2214	}
1656		2215
1657	sub save {	2216	sub save {
1658	my ($self) = @_;	2217	my ($self) = @_;
1659		2218
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2220
1662	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1663		2222
1664	return unless $self->dirty;	2223	return unless $self->dirty;
1665		2224
…		…
1671	return if $self->{deny_save};	2230	return if $self->{deny_save};
1672		2231
1673	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1674		2233
1675	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1677	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1678		2240
1679	if ($uniq) {	2241	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2244	} else {
…		…
1688	my ($self) = @_;	2250	my ($self) = @_;
1689		2251
1690	# save first because save cedes	2252	# save first because save cedes
1691	$self->save;	2253	$self->save;
1692		2254
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2256
1695	return if $self->players;	2257	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2259	return if $self->{deny_save};
1698		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2265	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2266	}
1702		2267
1703	sub reset_at {	2268	sub reset_at {
1704	my ($self) = @_;	2269	my ($self) = @_;
1705		2270
1706	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1709		2273
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2276
…		…
1723	my ($self) = @_;	2287	my ($self) = @_;
1724		2288
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2290
1727	return if $self->players;	2291	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2292
1730	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1731		2294
1732	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1733		2296
1734	# need to save uniques path	2297	# need to save uniques path
1735	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2302	if $uniq;
1740	}	2303	}
1741		2304
1742	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1743		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2309	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2310
1748	$self->unlink_save;	2311	$self->unlink_save;
1749	$self->destroy;	2312	$self->destroy;
1750	}	2313	}
1751		2314
1752	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1753		2316
1754	sub nuke {	2317	sub nuke {
1755	my ($self) = @_;	2318	my ($self) = @_;
1756		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1757	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1758		2324
1759	$self->unlink_save;	2325	$self->unlink_save;
1760		2326
1761	bless $self, "cf::map";	2327	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2332
1767	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1768		2335
1769	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1770	}	2373	}
1771		2374
1772	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1773		2376
1774	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2378	instantiated unique items. May block.
1776		2379
1777	=cut	2380	=cut
1778		2381
1779	sub unique_maps() {	2382	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2383	[
1781	or return;	2384	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2385	utf8::decode $_;
1787	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2388	? ()
1790	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2391	]
1792
1793	\@paths
1794	}	2392	}
1795
1796	package cf;
1797		2393
1798	=back	2394	=back
1799		2395
1800	=head3 cf::object	2396	=head3 cf::object
1801		2397
…		…
1805		2401
1806	=over 4	2402	=over 4
1807		2403
1808	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1809		2405
1810	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1811		2408
1812	=cut	2409	=cut
1813		2410
1814	sub inv_recursive_;	2411	sub inv_recursive_;
1815	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1818		2415
1819	sub inv_recursive {	2416	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1821	}	2418	}
1822		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1823	package cf;	2448	package cf;
1824		2449
1825	=back	2450	=back
1826		2451
1827	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1836		2461
1837	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1838		2477
1839	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2479	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1844		2483
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2485
1847	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1849	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1852	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1853	}	2511	}
1854		2512
1855	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1856		2514
1857	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1905		2563
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2565
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1910		2568
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2570	}
1913		2571
1914	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1916		2576
1917	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1918		2578
1919	unless ($map) {	2579	unless ($map) {
1920	# restore original map position	2580	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1937		2597
1938	$map->load;	2598	$map->load;
1939	$map->load_diag;	2599	$map->load_neighbours;
1940		2600
1941	return unless $self->contr->active;	2601	return unless $self->contr->active;
1942	$self->activate_recursive;	2602	$self->activate_recursive;
1943		2603
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1946	}	2606	}
1947		2607
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2609
1982	Moves the player to the given map-path and coordinates by first freezing	2610	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2611	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2612	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2613	the new (success) or old (failed) map position. In either case, $done will
		2614	be called at the end of this process.
1986		2615
1987	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1988		2619
1989	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2625
1992	$self->enter_link;	2626	$self->enter_link;
1993		2627
1994	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1995	my $map = eval {	2650	my $map = eval {
1996	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
1997		2652
1998	if ($map) {	2653	if ($map) {
1999	$map = $map->customise_for ($self);	2654	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2655	$map = $check->($map) if $check && $map;
2001	} else {	2656	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2658	}
2004		2659
2005	$map	2660	$map
2006	};	2661	};
2007		2662
2008	if ($@) {	2663	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2665	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2666	}
2012		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
2014	})->prio (1);	2674	})->prio (1);
2015	}	2675	}
2016		2676
2017	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
2018		2678
…		…
2055	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
2056	}	2716	}
2057		2717
2058	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2059		2719
2060	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2062	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2063		2723
2064	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
…		…
2087	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
2089		2749
2090	$self->enter_link;	2750	$self->enter_link;
2091		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
2092	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
2093	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2760	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
2096		2762
2097	1;	2763	1;
…		…
2123		2789
2124	utf8::encode $text;	2790	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2792	}
2127		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
2128	=item $client->ext_event ($type, %msg)	2924	=item $client->ext_msg ($type, @msg)
2129		2925
2130	Sends an exti event to the client.	2926	Sends an ext event to the client.
2131		2927
2132	=cut	2928	=cut
2133		2929
2134	sub cf::client::ext_event($$%) {	2930	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2931	my ($self, $type, @msg) = @_;
2136		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2936	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
2139	}	2957	}
2140		2958
2141	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
2142		2960
2143	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2964
2147	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2966	become reliable at some point in the future.
2149		2967
2150	=cut	2968	=cut
2151		2969
2152	sub cf::client::query {	2970	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2979	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2981
2164	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
2166	}	2986	}
2167		2987
2168	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
2169	on_reply => sub {	2994	on_reply => sub {
2170	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2171		2996
2172	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2173	# get handled first	2998	# get handled first
…		…
2185	} else {	3010	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	3012	}
2188	}	3013	}
2189	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2190	);	3041	);
2191		3042
2192	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2193		3044
2194	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2237		3088
2238	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2239		3090
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2241		3096
2242	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2243		3098
2244	=pod	3099	=pod
2245		3100
2246	The following functions and methods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2247		3102
2248	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2249	cf::object::player player	3107	cf::object::player
2250	cf::player peaceful	3108	player
2251	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2252		3115
2253	=cut	3116	=cut
2254		3117
2255	for (	3118	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2257	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2260	) {	3125	) {
2261	no strict 'refs';	3126	no strict 'refs';
…		…
2332	=back	3197	=back
2333		3198
2334	=cut	3199	=cut
2335		3200
2336	#############################################################################	3201	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3202	# the server's init and main functions
2512		3203
2513	sub load_facedata($) {	3204	sub load_facedata($) {
2514	my ($path) = @_;	3205	my ($path) = @_;
		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3212
2516	warn "loading facedata from $path\n";	3213	warn "loading facedata from $path\n";
2517		3214
2518	my $facedata;	3215	my $facedata;
2519	0 < aio_load $path, $facedata	3216	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3219	$facedata = Coro::Storable::thaw $facedata;
2523		3220
2524	$facedata->{version} == 2	3221	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
2527	{	3231	{
2528	my $faces = $facedata->{faceinfo};	3232	my $faces = $facedata->{faceinfo};
2529		3233
2530	while (my ($face, $info) = each %$faces) {	3234	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3236
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3237	cf::face::set_visibility $idx, $info->{visibility};
		3238	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3241
		3242	cf::cede_to_tick;
2536	}	3243	}
2537		3244
2538	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3246	next unless $info->{smooth};
		3247
2540	my $idx = cf::face::find $face	3248	my $idx = cf::face::find $face
2541	or next;	3249	or next;
		3250
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3254	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3256	}
2547	Coro::cede;	3257
		3258	cf::cede_to_tick;
2548	}	3259	}
2549	}	3260	}
2550		3261
2551	{	3262	{
2552	my $anims = $facedata->{animinfo};	3263	my $anims = $facedata->{animinfo};
2553		3264
2554	while (my ($anim, $info) = each %$anims) {	3265	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3267	cf::cede_to_tick;
2557	}	3268	}
2558		3269
2559	cf::anim::invalidate_all; # d'oh	3270	cf::anim::invalidate_all; # d'oh
2560	}	3271	}
2561		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
2562	1	3308	1
2563	}	3309	}
2564		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
2565	sub reload_regions {	3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
2566	load_resource_file "$MAPDIR/regions"	3354	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
2568	}	3361	}
2569		3362
2570	sub reload_facedata {	3363	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3364	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3365	or die "unable to load facedata\n";
…		…
2583	}	3376	}
2584		3377
2585	sub reload_resources {	3378	sub reload_resources {
2586	warn "reloading resource files...\n";	3379	warn "reloading resource files...\n";
2587		3380
2588	reload_regions;
2589	reload_facedata;	3381	reload_facedata;
2590	reload_archetypes;	3382	reload_archetypes;
		3383	reload_regions;
2591	reload_treasures;	3384	reload_treasures;
2592		3385
2593	warn "finished reloading resource files\n";	3386	warn "finished reloading resource files\n";
2594	}	3387	}
2595		3388
2596	sub init {	3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
2597	reload_resources;	3392	reload_resources;
2598	}	3393	}
2599		3394
2600	sub cfg_load {	3395	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3397	or return;
2603		3398
2604	local $/;	3399	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2606		3401
2607	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608		3403
2609	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2621	sub main {	3416	sub main {
2622	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3420	(async {
2626	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2627	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2628	};	3424	};
2629		3425
2630	cfg_load;	3426	{
		3427	my $guard = freeze_mainloop;
		3428	reload_config;
2631	db_init;	3429	db_init;
2632	load_extensions;	3430	load_extensions;
2633		3431
2634	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2635	Event::loop;	3436	EV::loop;
2636	}	3437	}
2637		3438
2638	#############################################################################	3439	#############################################################################
2639	# initialisation and cleanup	3440	# initialisation and cleanup
2640		3441
2641	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2642	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2643	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2644	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2645	reentrant => 0,
2646	data => WF_AUTOCANCEL,
2647	signal => $signal,
2648	prio => 0,
2649	cb => sub {
2650	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2651	},
2652	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2653	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2654	}	3531	}
2655		3532
2656	sub emergency_save() {	3533	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2658		3535
…		…
2664	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2666	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3547	$pl->save;
2670	}	3548	}
2671	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2672		3550
2673	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2679	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
2680		3558
2681	warn "begin emergency database checkpoint\n";	3559	warn "begin emergency database checkpoint\n";
2682	BDB::db_env_txn_checkpoint $DB_ENV;	3560	BDB::db_env_txn_checkpoint $DB_ENV;
2683	warn "end emergency database checkpoint\n";	3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2684	};	3566	};
2685		3567
2686	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2687	}	3569	}
2688		3570
…		…
2703	warn "reloading...";	3585	warn "reloading...";
2704		3586
2705	warn "entering sync_job";	3587	warn "entering sync_job";
2706		3588
2707	cf::sync_job {	3589	cf::sync_job {
2708	cf::write_runtime; # external watchdog should not bark	3590	cf::write_runtime_sync; # external watchdog should not bark
2709	cf::emergency_save;	3591	cf::emergency_save;
2710	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2711		3593
2712	warn "syncing database to disk";	3594	warn "syncing database to disk";
2713	BDB::db_env_txn_checkpoint $DB_ENV;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
2714		3596
2715	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2716
2717	warn "cancelling all WF_AUTOCANCEL watchers";
2718	for (Event::all_watchers) {
2719	$_->cancel if $_->data & WF_AUTOCANCEL;
2720	}
2721		3598
2722	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2723	for (;;) {	3600	for (;;) {
2724	BDB::flush;	3601	BDB::flush;
2725	IO::AIO::flush;	3602	IO::AIO::flush;
2726	Coro::cede;	3603	Coro::cede_notself;
2727	last unless IO::AIO::nreqs || BDB::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";	3605	warn "iterate...";
2729	}	3606	}
2730		3607
2731	++$RELOAD;	3608	++$RELOAD;
…		…
2735	%EXT_CORO = ();	3612	%EXT_CORO = ();
2736		3613
2737	warn "removing commands";	3614	warn "removing commands";
2738	%COMMAND = ();	3615	%COMMAND = ();
2739		3616
2740	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2742		3620
2743	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2746		3624
…		…
2789	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2790	require cf;	3668	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3670
2793	warn "loading config and database again";	3671	warn "loading config and database again";
2794	cf::cfg_load;	3672	cf::reload_config;
2795		3673
2796	warn "loading extensions";	3674	warn "loading extensions";
2797	cf::load_extensions;	3675	cf::load_extensions;
2798		3676
2799	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
…		…
2806	warn "leaving sync_job";	3684	warn "leaving sync_job";
2807		3685
2808	1	3686	1
2809	} or do {	3687	} or do {
2810	warn $@;	3688	warn $@;
2811	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2812	exit 1;
2813	};	3690	};
2814		3691
2815	warn "reloaded";	3692	warn "reloaded";
2816	};	3693	};
2817		3694
…		…
2819		3696
2820	sub reload_perl() {	3697	sub reload_perl() {
2821	# doing reload synchronously and two reloads happen back-to-back,	3698	# doing reload synchronously and two reloads happen back-to-back,
2822	# coro crashes during coro_state_free->destroy here.	3699	# coro crashes during coro_state_free->destroy here.
2823		3700
2824	$RELOAD_WATCHER ||= Event->timer (	3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2825	reentrant => 0,
2826	after => 0,
2827	data => WF_AUTOCANCEL,
2828	cb => sub {
2829	do_reload_perl;	3702	do_reload_perl;
2830	undef $RELOAD_WATCHER;	3703	undef $RELOAD_WATCHER;
2831	},
2832	);	3704	};
2833	}	3705	}
2834		3706
2835	register_command "reload" => sub {	3707	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2837		3709
2838	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
		3712	async {
		3713	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3714	reload_perl;
		3715	};
2841	}	3716	}
2842	};	3717	};
2843		3718
2844	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2845		3720
…		…
2847		3722
2848	our @WAIT_FOR_TICK;	3723	our @WAIT_FOR_TICK;
2849	our @WAIT_FOR_TICK_BEGIN;	3724	our @WAIT_FOR_TICK_BEGIN;
2850		3725
2851	sub wait_for_tick {	3726	sub wait_for_tick {
2852	return unless $TICK_WATCHER->is_active;
2853	return if $Coro::current == $Coro::main;	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2854		3728
2855	my $signal = new Coro::Signal;	3729	my $signal = new Coro::Signal;
2856	push @WAIT_FOR_TICK, $signal;	3730	push @WAIT_FOR_TICK, $signal;
2857	$signal->wait;	3731	$signal->wait;
2858	}	3732	}
2859		3733
2860	sub wait_for_tick_begin {	3734	sub wait_for_tick_begin {
2861	return unless $TICK_WATCHER->is_active;
2862	return if $Coro::current == $Coro::main;	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2863		3736
2864	my $signal = new Coro::Signal;	3737	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3738	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3739	$signal->wait;
2867	}	3740	}
2868		3741
2869	my $min = 1e6;#d#	3742	sub tick {
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,
2873	parked => 1,
2874	prio => 0,
2875	at => $NEXT_TICK || $TICK,
2876	data => WF_AUTOCANCEL,
2877	cb => sub {
2878	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2881	return;	3746	return;
2882	}	3747	}
2883		3748
2884	$NOW = $tick_start = Event::time;
2885
2886	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2887		3750
2888	0 && sync_job {#d#	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	for(1..10) {	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890	my $t = Event::time;	3753	Coro::async_pool {
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3754	$Coro::current->{desc} = "runtime saver";
2892	or die;	3755	write_runtime_sync
2893		3756	or warn "ERROR: unable to write runtime file: $!";
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};	3757	};
		3758	}
2910		3759
2911	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;
2913
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {
2917	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";
2919	};
2920	}
2921
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3761	$sig->send;
2927	}	3762	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3763	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3764	$sig->send;
2930	}	3765	}
2931		3766
2932	$NOW = Event::time;	3767	$LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934	# if we are delayed by four ticks or more, skip them all
2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937	$TICK_WATCHER->at ($NEXT_TICK);
2938	$TICK_WATCHER->start;
2939
2940	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3769
2943	_post_tick;	3770	if (0) {
2944		3771	if ($NEXT_TICK) {
2945		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
2946	},	3776	}
2947	);	3777	}
2948		3778
2949	{	3779	{
2950	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
2951	$BDB_POLL_WATCHER = Event->io (	3781
2952	reentrant => 0,
2953	fd => BDB::poll_fileno,
2954	poll => 'r',
2955	prio => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,
2958	);
2959	BDB::min_parallel 8;	3782	BDB::min_parallel 8;
2960		3783	BDB::max_poll_reqs $TICK * 0.1;
2961	BDB::set_sync_prepare {	3784	$Coro::BDB::WATCHER->priority (1);
2962	my $status;
2963	my $current = $Coro::current;
2964	(
2965	sub {
2966	$status = $!;
2967	$current->ready; undef $current;
2968	},
2969	sub {
2970	Coro::schedule while defined $current;
2971	$! = $status;
2972	},
2973	)
2974	};
2975		3785
2976	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3792
2979	cf::sync_job {	3793	cf::sync_job {
2980	eval {	3794	eval {
2981	BDB::db_env_open	3795	BDB::db_env_open
2982	$DB_ENV,	3796	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3800	0666;
2987		3801
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3803	};
2993		3804
2994	cf::cleanup "db_env_open(db): $@" if $@;	3805	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3806	};
2996	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
2997	}	3818	}
2998		3819
2999	{	3820	{
		3821	# configure IO::AIO
		3822
3000	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
3001
3002	undef $Coro::AIO::WATCHER;
3003	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
3004	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
3005	reentrant => 0,
3006	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,
3008	poll => 'r',
3009	prio => 6,
3010	cb => \&IO::AIO::poll_cb,
3011	);
3012	}	3826	}
3013		3827
3014	my $_log_backtrace;	3828	my $_log_backtrace;
3015		3829
3016	sub _log_backtrace {	3830	sub _log_backtrace {
…		…
3020		3834
3021	# limit the # of concurrent backtraces	3835	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3836	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3837	++$_log_backtrace;
3024	async {	3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
3025	my @bt = fork_call {	3841	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3842	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3845	or die "addr2line: $!";

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