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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 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;
		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	chmod SAVE_MODE, $fh;
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	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	chmod SAVE_MODE, $fh;
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	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
840	}	1159	}
…		…
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	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1056	}	1464	}
1057	}	1465	}
1058	}	1466	}
1059		1467
…		…
1068	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1069		1477
1070	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1072		1480
		1481	cf::get_slot 0.01;
		1482
1073	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1074	Coro::cede;	1484	cf::cede_to_tick;
1075	}	1485	}
1076		1486
1077	sub new($) {	1487	sub new($) {
1078	my ($login) = @_;	1488	my ($login) = @_;
1079		1489
…		…
1083	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1084		1494
1085	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1086		1496
1087	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1088	}	1508	}
1089		1509
1090	=item $pl->quit_character	1510	=item $pl->quit_character
1091		1511
1092	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1567	or return [];
1148		1568
1149	my @logins;	1569	my @logins;
1150		1570
1151	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1155		1580
1156	utf8::decode $login;	1581	utf8::decode $login;
1157	push @logins, $login;	1582	push @logins, $login;
1158	}	1583	}
1159		1584
…		…
1186	}	1611	}
1187		1612
1188	\@paths	1613	\@paths
1189	}	1614	}
1190		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1191	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1192		1710
1193	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1194		1712
1195	=cut	1713	=cut
1196		1714
1197	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1199		1717
1200	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1719	}
1204		1720
1205	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1206		1722
1207	Sends an ext event to the client.	1723	Sends an ext event to the client.
1208		1724
1209	=cut	1725	=cut
1210		1726
1211	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1213		1729
1214	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1215	}	1731	}
1216		1732
1217	=head3 cf::region	1733	=head3 cf::region
1218		1734
1219	=over 4	1735	=over 4
…		…
1222		1738
1223	package cf::region;	1739	package cf::region;
1224		1740
1225	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1226		1742
1227	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1228		1744
1229	=cut	1745	=cut
1230		1746
1231	sub find_by_path($) {	1747	sub find_by_path($) {
1232	my ($path) = @_;	1748	my ($path) = @_;
1233		1749
1234	my ($match, $specificity);	1750	my ($match, $specificity);
1235		1751
1236	for my $region (list) {	1752	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1240	}	1756	}
1241	}	1757	}
1242		1758
…		…
1263	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1265		1781
1266	sub generate_random_map {	1782	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1268	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1788	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1307		1826
1308	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1309	local $self->{path};	1828	local $self->{path};
1310	local $self->{load_path};	1829	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1830
1314	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1315	}	1832	}
1316		1833
1317	sub normalise {	1834	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1365	return $self;	1882	return $self;
1366	}	1883	}
1367	}	1884	}
1368		1885
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1887	()
1371	}	1888	}
1372		1889
1373	sub init {	1890	sub init {
1374	my ($self) = @_;	1891	my ($self) = @_;
…		…
1396		1913
1397	# the temporary/swap location	1914	# the temporary/swap location
1398	sub save_path {	1915	sub save_path {
1399	my ($self) = @_;	1916	my ($self) = @_;
1400		1917
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1403	}	1920	}
1404		1921
1405	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1406	sub uniq_path {	1923	sub uniq_path {
1407	my ($self) = @_;	1924	my ($self) = @_;
1408		1925
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1411	}	1928	}
1412		1929
1413	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1414	# all maps in C++...	1931	# all maps in C++...
…		…
1417		1934
1418	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1420	}	1937	}
1421		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1422	sub unlink_save {	1947	sub unlink_save {
1423	my ($self) = @_;	1948	my ($self) = @_;
1424		1949
1425	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1954
1430	sub load_header_from($) {	1955	sub load_header_from($) {
1431	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1432		1957
1433	utf8::encode $path;	1958	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1439		1967
1440	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1441		1969
1442	1	1970	1
1443	}	1971	}
…		…
1482	$self->load_header_orig	2010	$self->load_header_orig
1483	or return;	2011	or return;
1484	$self->prepare_orig;	2012	$self->prepare_orig;
1485	}	2013	}
1486		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
1487	$self->default_region (cf::region::find_by_path $self->{path})	2018	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2019	unless $self->default_region;
1489		2020
1490	1	2021	1
1491	}	2022	}
…		…
1494	sub find {	2025	sub find {
1495	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1496		2027
1497	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1498		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1500		2032
1501	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1503	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1504	or return;	2038	or return;
1505		2039
1506	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1507		2041
1508	$map->load_header	2042	$map->load_header
1509	or return;	2043	or return;
1510		2044
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1514	$map->reset;	2050	$map->reset;
1515	undef $guard;
1516	return find $path;	2051	return find $path;
1517	}	2052	}
1518		2053
1519	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1520	}	2055	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1530		2065
1531	my $path = $self->{path};	2066	my $path = $self->{path};
1532		2067
1533	{	2068	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1535		2070
		2071	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2073
1538	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1539		2075
1540	$self->alloc;	2076	$self->alloc;
1541		2077
1542	$self->pre_load;	2078	$self->pre_load;
1543	Coro::cede;	2079	cf::cede_to_tick;
1544		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1546	or return;	2084	or return;
1547		2085
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2087	if delete $self->{load_original};
1550		2088
1551	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2090	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2093	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1556	}	2097	}
1557	}	2098	}
1558		2099
1559	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1560	# now do the right thing for maps	2103	# now do the right thing for maps
1561	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2106	unless $self->difficulty;
1564	Coro::cede;	2107	cf::cede_to_tick;
1565		2108
1566	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2110	$self->decay_objects;
1568	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1569	$self->update_buttons;	2112	$self->update_buttons;
1570	Coro::cede;	2113	cf::cede_to_tick;
1571	$self->set_darkness_map;	2114	$self->set_darkness_map;
1572	Coro::cede;	2115	cf::cede_to_tick;
1573	$self->activate;	2116	$self->activate;
1574	}	2117	}
1575		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2123	}
1578		2124
1579	$self->post_load;	2125	$self->post_load;
1580	}	2126	}
1581		2127
…		…
1583	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1584		2130
1585	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2132	if $self->per_player;
1587		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1588	$self	2137	$self
1589	}	2138	}
1590		2139
1591	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2141	sub load_neighbours {
1593	my ($map) = @_;	2142	my ($map) = @_;
1594		2143
1595	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1596		2145
1597	for (0 .. 3) {	2146	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1599	or next;	2148	or next;
1600	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1601	or next;	2150	or next;
1602	$neigh->load;	2151	$neigh->load;
1603		2152
		2153	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2156	}
1607		2157
1608	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1610	or next;	2161	or next;
1611	$neigh->load;	2162	$neigh->load;
1612	}	2163	}
1613	}	2164	}
1614		2165
…		…
1619	}	2170	}
1620		2171
1621	sub do_load_sync {	2172	sub do_load_sync {
1622	my ($map) = @_;	2173	my ($map) = @_;
1623		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1624	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1625	}	2179	}
1626		2180
1627	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1629		2183
1630	sub find_async {	2184	sub find_async {
1631	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1632		2186
1633	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1634		2188
1635	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2191	}
1638		2192
1639	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1640	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1641	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2200	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2201	$map->load if $v;
		2202	}
1646		2203
1647	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1648	}	2205	}
1649	}	2206	}
1650	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1651	};	2208	};
1652	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2212	}
1656		2213
1657	sub save {	2214	sub save {
1658	my ($self) = @_;	2215	my ($self) = @_;
1659		2216
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2218
1662	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1663		2220
1664	return unless $self->dirty;	2221	return unless $self->dirty;
1665		2222
…		…
1671	return if $self->{deny_save};	2228	return if $self->{deny_save};
1672		2229
1673	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1674		2231
1675	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1677	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1678		2238
1679	if ($uniq) {	2239	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2242	} else {
…		…
1688	my ($self) = @_;	2248	my ($self) = @_;
1689		2249
1690	# save first because save cedes	2250	# save first because save cedes
1691	$self->save;	2251	$self->save;
1692		2252
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2254
1695	return if $self->players;	2255	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2257	return if $self->{deny_save};
1698		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2263	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2264	}
1702		2265
1703	sub reset_at {	2266	sub reset_at {
1704	my ($self) = @_;	2267	my ($self) = @_;
1705		2268
1706	# TODO: safety, remove and allow resettable per-player maps	2269	# 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};	2270	return 1e99 if $self->{deny_reset};
1709		2271
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2274
…		…
1723	my ($self) = @_;	2285	my ($self) = @_;
1724		2286
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2288
1727	return if $self->players;	2289	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2290
1730	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1731		2292
1732	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1733		2294
1734	# need to save uniques path	2295	# need to save uniques path
1735	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2300	if $uniq;
1740	}	2301	}
1741		2302
1742	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1743		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2307	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2308
1748	$self->unlink_save;	2309	$self->unlink_save;
1749	$self->destroy;	2310	$self->destroy;
1750	}	2311	}
1751		2312
1752	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1753		2314
1754	sub nuke {	2315	sub nuke {
1755	my ($self) = @_;	2316	my ($self) = @_;
1756		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1757	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1758		2322
1759	$self->unlink_save;	2323	$self->unlink_save;
1760		2324
1761	bless $self, "cf::map";	2325	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2330
1767	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1768		2333
1769	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1770	}	2371	}
1771		2372
1772	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1773		2374
1774	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2376	instantiated unique items. May block.
1776		2377
1777	=cut	2378	=cut
1778		2379
1779	sub unique_maps() {	2380	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2381	[
1781	or return;	2382	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2383	utf8::decode $_;
1787	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2386	? ()
1790	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2389	]
1792
1793	\@paths
1794	}	2390	}
1795
1796	package cf;
1797		2391
1798	=back	2392	=back
1799		2393
1800	=head3 cf::object	2394	=head3 cf::object
1801		2395
…		…
1805		2399
1806	=over 4	2400	=over 4
1807		2401
1808	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1809		2403
1810	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1811		2406
1812	=cut	2407	=cut
1813		2408
1814	sub inv_recursive_;	2409	sub inv_recursive_;
1815	sub inv_recursive_ {	2410	sub inv_recursive_ {
1816	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1817	}	2412	}
1818		2413
1819	sub inv_recursive {	2414	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1821	}	2444	}
1822		2445
1823	package cf;	2446	package cf;
1824		2447
1825	=back	2448	=back
…		…
1844		2467
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2469
1847	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1849	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1852	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1853	}	2495	}
1854		2496
1855	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1856		2498
1857	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1939		2581
1940	$map->load;	2582	$map->load;
1941	$map->load_diag;	2583	$map->load_neighbours;
1942		2584
1943	return unless $self->contr->active;	2585	return unless $self->contr->active;
1944	$self->activate_recursive;	2586	$self->activate_recursive;
1945		2587
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1948	}	2590	}
1949		2591
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2593
1952	Moves the player to the given map-path and coordinates by first freezing	2594	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2596	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2597	the new (success) or old (failed) map position. In either case, $done will
		2598	be called at the end of this process.
1956		2599
1957	=cut	2600	=cut
1958		2601
1959	our $GOTOGEN;	2602	our $GOTOGEN;
1960		2603
1961	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2606
1964	# do generation counting so two concurrent goto's will be executed in-order	2607	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2609
1967	$self->enter_link;	2610	$self->enter_link;
1968		2611
1969	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1970	my $map = eval {	2634	my $map = eval {
1971	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
1972		2636
1973	if ($map) {	2637	if ($map) {
1974	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
1976	} else {	2640	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2642	}
1979		2643
1980	$map	2644	$map
1981	};	2645	};
1982		2646
…		…
1987		2651
1988	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
1991	}	2655	}
		2656
		2657	$done->() if $done;
1992	})->prio (1);	2658	})->prio (1);
1993	}	2659	}
1994		2660
1995	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1996		2662
…		…
2033	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2034	}	2700	}
2035		2701
2036	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2037		2703
2038	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2041		2707
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2065	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2067		2733
2068	$self->enter_link;	2734	$self->enter_link;
2069		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2070	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2071	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2072	unless (eval {	2744	unless (eval {
2073	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2074		2746
2075	1;	2747	1;
…		…
2101		2773
2102	utf8::encode $text;	2774	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2776	}
2105		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2106	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2107		2903
2108	Sends an exti event to the client.	2904	Sends an ext event to the client.
2109		2905
2110	=cut	2906	=cut
2111		2907
2112	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2114		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2117	}	2935	}
2118		2936
2119	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2120		2938
2121	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2942
2125	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2944	become reliable at some point in the future.
2127		2945
2128	=cut	2946	=cut
2129		2947
2130	sub cf::client::query {	2948	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2957	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2959
2142	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2144	}	2964	}
2145		2965
2146	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2147	on_reply => sub {	2972	on_reply => sub {
2148	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2149		2974
2150	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2151	# get handled first	2976	# get handled first
…		…
2163	} else {	2988	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2990	}
2166	}	2991	}
2167	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2168	);	3019	);
2169		3020
2170	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2171		3022
2172	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2215		3066
2216	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2217		3068
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2219		3074
2220	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2221		3076
2222	=pod	3077	=pod
2223		3078
2224	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2225		3080
2226	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2227	cf::object::player player	3085	cf::object::player
2228	cf::player peaceful	3086	player
2229	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2230		3093
2231	=cut	3094	=cut
2232		3095
2233	for (	3096	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2235	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2238	) {	3103	) {
2239	no strict 'refs';	3104	no strict 'refs';
…		…
2310	=back	3175	=back
2311		3176
2312	=cut	3177	=cut
2313		3178
2314	#############################################################################	3179	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	3180	# the server's init and main functions
2490		3181
2491	sub load_facedata($) {	3182	sub load_facedata($) {
2492	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3190
2494	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2495		3192
2496	my $facedata;	3193	my $facedata;
2497	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2501		3198
2502	$facedata->{version} == 2	3199	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2505	{	3209	{
2506	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2507		3211
2508	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3219
		3220	cf::cede_to_tick;
2514	}	3221	}
2515		3222
2516	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2518	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2519	or next;	3227	or next;
		3228
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3232	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3234	}
2525	Coro::cede;	3235
		3236	cf::cede_to_tick;
2526	}	3237	}
2527	}	3238	}
2528		3239
2529	{	3240	{
2530	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2531		3242
2532	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3245	cf::cede_to_tick;
2535	}	3246	}
2536		3247
2537	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2538	}	3249	}
2539		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2540	1	3286	1
2541	}	3287	}
2542		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
2543	sub reload_regions {	3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
2544	load_resource_file "$MAPDIR/regions"	3322	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
2546	}	3329	}
2547		3330
2548	sub reload_facedata {	3331	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3332	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3333	or die "unable to load facedata\n";
2551	}	3334	}
2552		3335
2553	sub reload_archetypes {	3336	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	3337	load_resource_file "$DATADIR/archetypes"
2555	or die "unable to load archetypes\n";	3338	or die "unable to load archetypes\n";
		3339	#d# NEED to laod twice to resolve forward references
		3340	# this really needs to be done in an extra post-pass
		3341	# (which needs to be synchronous, so solve it differently)
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
2556	}	3344	}
2557		3345
2558	sub reload_treasures {	3346	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
…		…
2563	sub reload_resources {	3351	sub reload_resources {
2564	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2565		3353
2566	reload_regions;	3354	reload_regions;
2567	reload_facedata;	3355	reload_facedata;
		3356	#reload_archetypes;#d#
2568	reload_archetypes;	3357	reload_archetypes;
2569	reload_treasures;	3358	reload_treasures;
2570		3359
2571	warn "finished reloading resource files\n";	3360	warn "finished reloading resource files\n";
2572	}	3361	}
2573		3362
2574	sub init {	3363	sub init {
2575	reload_resources;	3364	reload_resources;
2576	}	3365	}
2577		3366
2578	sub cfg_load {	3367	sub reload_config {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3369	or return;
2581		3370
2582	local $/;	3371	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2584		3373
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2586		3375
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2599	sub main {	3388	sub main {
2600	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3392	(async {
2604	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
2606	};	3396	};
2607		3397
2608	cfg_load;	3398	reload_config;
2609	db_init;	3399	db_init;
2610	load_extensions;	3400	load_extensions;
2611		3401
2612	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2613	Event::loop;	3404	EV::loop;
2614	}	3405	}
2615		3406
2616	#############################################################################	3407	#############################################################################
2617	# initialisation and cleanup	3408	# initialisation and cleanup
2618		3409
2619	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2620	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2629	},
2630	);	3416	};
		3417	}
		3418	}
		3419
		3420	sub write_runtime_sync {
		3421	my $runtime = "$LOCALDIR/runtime";
		3422
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $runtime, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$runtime~", $runtime
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2631	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2632	}	3499	}
2633		3500
2634	sub emergency_save() {	3501	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2636		3503
…		…
2642	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2644	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3515	$pl->save;
2648	}	3516	}
2649	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2650		3518
2651	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2657	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2658		3526
2659	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2662	};	3534	};
2663		3535
2664	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2665	}	3537	}
2666		3538
…		…
2681	warn "reloading...";	3553	warn "reloading...";
2682		3554
2683	warn "entering sync_job";	3555	warn "entering sync_job";
2684		3556
2685	cf::sync_job {	3557	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
2687	cf::emergency_save;	3559	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
2689		3561
2690	warn "syncing database to disk";	3562	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3564
2693	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2694
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699		3566
2700	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
2701	for (;;) {	3568	for (;;) {
2702	BDB::flush;	3569	BDB::flush;
2703	IO::AIO::flush;	3570	IO::AIO::flush;
2704	Coro::cede;	3571	Coro::cede_notself;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";	3573	warn "iterate...";
2707	}	3574	}
2708		3575
2709	++$RELOAD;	3576	++$RELOAD;
…		…
2713	%EXT_CORO = ();	3580	%EXT_CORO = ();
2714		3581
2715	warn "removing commands";	3582	warn "removing commands";
2716	%COMMAND = ();	3583	%COMMAND = ();
2717		3584
2718	warn "removing ext commands";	3585	warn "removing ext/exti commands";
2719	%EXTCMD = ();	3586	%EXTCMD = ();
		3587	%EXTICMD = ();
2720		3588
2721	warn "unloading/nuking all extensions";	3589	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3590	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3591	warn "... unloading $pkg";
2724		3592
…		…
2767	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2768	require cf;	3636	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3638
2771	warn "loading config and database again";	3639	warn "loading config and database again";
2772	cf::cfg_load;	3640	cf::reload_config;
2773		3641
2774	warn "loading extensions";	3642	warn "loading extensions";
2775	cf::load_extensions;	3643	cf::load_extensions;
2776		3644
2777	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
2784	warn "leaving sync_job";	3652	warn "leaving sync_job";
2785		3653
2786	1	3654	1
2787	} or do {	3655	} or do {
2788	warn $@;	3656	warn $@;
2789	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
2790	exit 1;
2791	};	3658	};
2792		3659
2793	warn "reloaded";	3660	warn "reloaded";
2794	};	3661	};
2795		3662
…		…
2797		3664
2798	sub reload_perl() {	3665	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2801		3668
2802	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2803	reentrant => 0,
2804	after => 0,
2805	data => WF_AUTOCANCEL,
2806	cb => sub {
2807	do_reload_perl;	3670	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2809	},
2810	);	3672	};
2811	}	3673	}
2812		3674
2813	register_command "reload" => sub {	3675	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2815		3677
2816	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3682	reload_perl;
		3683	};
2819	}	3684	}
2820	};	3685	};
2821		3686
2822	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2823		3688
…		…
2825		3690
2826	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2828		3693
2829	sub wait_for_tick {	3694	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
2831	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
2832		3697
2833	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	3700	$signal->wait;
2836	}	3701	}
2837		3702
2838	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
2840	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
2841		3706
2842	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3709	$signal->wait;
2845	}	3710	}
2846		3711
2847	my $min = 1e6;#d#	3712	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
2859	return;	3716	return;
2860	}	3717	}
2861		3718
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
2865		3720
2866	0 && sync_job {#d#	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	3723	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3724	$Coro::current->{desc} = "runtime saver";
2870	or die;	3725	write_runtime_sync
2871		3726	or warn "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	3727	};
		3728	}
2888		3729
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3731	$sig->send;
2905	}	3732	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3734	$sig->send;
2908	}	3735	}
2909		3736
2910	$NOW = Event::time;	3737	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3739
2921	_post_tick;	3740	if (0) {
2922		3741	if ($NEXT_TICK) {
2923		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
2924	},	3746	}
2925	);	3747	}
2926		3748
2927	{	3749	{
2928	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	3751
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
2938		3753	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		3755
2954	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		3762
2957	cf::sync_job {	3763	cf::sync_job {
2958	eval {	3764	eval {
2959	BDB::db_env_open	3765	BDB::db_env_open
2960	$DB_ENV,	3766	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3770	0666;
2965		3771
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3773	};
2971		3774
2972	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3776	};
2974	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
2975	}	3788	}
2976		3789
2977	{	3790	{
		3791	# configure IO::AIO
		3792
2978	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	3796	}
2991		3797
2992	my $_log_backtrace;	3798	my $_log_backtrace;
2993		3799
2994	sub _log_backtrace {	3800	sub _log_backtrace {
…		…
2998		3804
2999	# limit the # of concurrent backtraces	3805	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3806	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3807	++$_log_backtrace;
3002	async {	3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
3003	my @bt = fork_call {	3811	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3812	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	3815	or die "addr2line: $!";

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