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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
308	}	443	}
309		444
310	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
311		446
312	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		452
318	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
319		454
320	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
321		456
322	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
325		461
326	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
329	fast or be very important.	465	fast or be very important.
…		…
332		468
333	sub sync_job(&) {	469	sub sync_job(&) {
334	my ($job) = @_;	470	my ($job) = @_;
335		471
336	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	473	my $time = EV::time;
338		474
339	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
341		477
342	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	479
344	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
345		481
346	my $busy = 1;	482	my $busy = 1;
347	my @res;	483	my @res;
348		484
349	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	487	@res = eval { $job->() };
351	warn $@ if $@;	488	warn $@ if $@;
352	undef $busy;	489	undef $busy;
353	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
354		491
355	while ($busy) {	492	while ($busy) {
356	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
357	}	497	}
		498	}
358		499
359	$time = Event::time - $time;	500	my $time = EV::time - $time;
360		501
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
365		503
366	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
367	} else {	505	} else {
368	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
369		507
…		…
389	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
390		528
391	$coro	529	$coro
392	}	530	}
393		531
394	sub write_runtime {	532	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		533
397	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
399		538
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	539	=cut
401	utime undef, undef, $fh;	540
		541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
		543
		544	# we seemingly have to make a local copy of the whole thing,
		545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
		547
		548	my @res = Coro::Util::fork_eval {
		549	reset_signals;
		550	&$cb
		551	}, @args;
		552
		553	wantarray ? @res : $res[-1]
		554	}
		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
402	}	610	};
		611	cf::cleanup "db_open(db): $@" if $@;
403		612
404	my $guard = cf::lock_acquire "write_runtime";	613	$db
		614	}
405		615
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	616	our $DB;
407	or return;
408		617
409	my $value = $cf::RUNTIME + 90 + 10;	618	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	619	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	620	$DB ||= db_table "db";
		621	};
		622	}
412		623
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	624	sub db_get($$) {
414	and return;	625	my $key = "$_[0]/$_[1]";
415		626
416	# always fsync - this file is important	627	cf::sync_job {
417	aio_fsync $fh	628	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		629
420	# touch it again to show we are up-to-date	630	$! ? ()
421	utime undef, undef, $fh;	631	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
432	}	708	}
433		709
434	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
435		711
436	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
456		732
457	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	735	Deliantra).
460		736
461	=over 4	737	=over 4
462		738
463	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
464		740
…		…
666	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
667	}	943	}
668		944
669	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
670	} else {	946	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	948	}
673		949
674	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
675	}	951	}
676		952
…		…
716	";	992	";
717	die if $@;	993	die if $@;
718	}	994	}
719		995
720	our $override;	996	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		998
723	sub override {	999	sub override {
724	$override = 1;	1000	$override = 1;
725	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
726	}	1002	}
727		1003
728	sub do_invoke {	1004	sub do_invoke {
729	my $event = shift;	1005	my $event = shift;
730	my $callbacks = shift;	1006	my $callbacks = shift;
731		1007
732	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
733		1009
734	local $override;	1010	local $override;
735		1011
736	for (@$callbacks) {	1012	for (@$callbacks) {
737	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
746	}	1022	}
747		1023
748	0	1024	0
749	}	1025	}
750		1026
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1028
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1030
755	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
756		1032
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1036
761	=back	1037	=back
762		1038
763	=cut	1039	=cut
764		1040
765	#############################################################################	1041	#############################################################################
766	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
767		1085
768	sub reattach {	1086	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1088	my ($obj) = @_;
771		1089
…		…
792	cf::attachable->attach (	1110	cf::attachable->attach (
793	prio => -1000000,	1111	prio => -1000000,
794	on_instantiate => sub {	1112	on_instantiate => sub {
795	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
796		1114
797	$data = from_json $data;	1115	$data = decode_json $data;
798		1116
799	for (@$data) {	1117	for (@$data) {
800	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
801		1119
802	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1136	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
820		1138
821	sync_job {	1139	sync_job {
822	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
825		1144
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1146	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"
…		…
1904	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1905		2547
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2549
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1910		2552
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2554	}
1913		2555
1914	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1916		2560
1917	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1918		2562
1919	unless ($map) {	2563	unless ($map) {
1920	# restore original map position	2564	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1937		2581
1938	$map->load;	2582	$map->load;
1939	$map->load_diag;	2583	$map->load_neighbours;
1940		2584
1941	return unless $self->contr->active;	2585	return unless $self->contr->active;
1942	$self->activate_recursive;	2586	$self->activate_recursive;
1943		2587
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1946	}	2590	}
1947		2591
1948	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2593
1952	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1956	};	2598	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2599
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1983		2603
1984	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2609
1987	$self->enter_link;	2610	$self->enter_link;
1988		2611
1989	(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
1990	my $map = eval {	2634	my $map = eval {
1991	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1993	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2650	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1998	})->prio (1);	2658	})->prio (1);
1999	}	2659	}
2000		2660
2001	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2002		2662
…		…
2039	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2040	}	2700	}
2041		2701
2042	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2043		2703
2044	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2047		2707
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2073		2733
2074	$self->enter_link;	2734	$self->enter_link;
2075		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
2076	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2077	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2744	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2080		2746
2081	1;	2747	1;
…		…
2107		2773
2108	utf8::encode $text;	2774	utf8::encode $text;
2109	$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);
2110	}	2776	}
2111		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<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	);
		2844
		2845	sub cf::client::send_msg {
		2846	my ($self, $channel, $msg, $color, @extra) = @_;
		2847
		2848	$msg = $self->pl->expand_cfpod ($msg);
		2849
		2850	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2851
		2852	# check predefined channels, for the benefit of C
		2853	if ($CHANNEL{$channel}) {
		2854	$channel = $CHANNEL{$channel};
		2855
		2856	$self->ext_msg (channel_info => $channel)
		2857	if $self->can_msg;
		2858
		2859	$channel = $channel->{id};
		2860
		2861	} elsif (ref $channel) {
		2862	# send meta info to client, if not yet sent
		2863	unless (exists $self->{channel}{$channel->{id}}) {
		2864	$self->{channel}{$channel->{id}} = $channel;
		2865	$self->ext_msg (channel_info => $channel)
		2866	if $self->can_msg;
		2867	}
		2868
		2869	$channel = $channel->{id};
		2870	}
		2871
		2872	return unless @extra || length $msg;
		2873
		2874	if ($self->can_msg) {
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2881	} else {
		2882	if ($color >= 0) {
		2883	# replace some tags by gcfclient-compatible ones
		2884	for ($msg) {
		2885	1 while
		2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2891	}
		2892
		2893	$color &= cf::NDI_COLOR_MASK;
		2894
		2895	utf8::encode $msg;
		2896
		2897	if (0 && $msg =~ /\[/) {
		2898	# COMMAND/INFO
		2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2900	} else {
		2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2902	$self->send_packet ("drawinfo $color $msg")
		2903	}
		2904	}
		2905	}
		2906	}
		2907
2112	=item $client->ext_event ($type, %msg)	2908	=item $client->ext_msg ($type, @msg)
2113		2909
2114	Sends an exti event to the client.	2910	Sends an ext event to the client.
2115		2911
2116	=cut	2912	=cut
2117		2913
2118	sub cf::client::ext_event($$%) {	2914	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2915	my ($self, $type, @msg) = @_;
2120		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2919	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2920	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2922	}
		2923	}
		2924
		2925	=item $client->ext_reply ($msgid, @msg)
		2926
		2927	Sends an ext reply to the client.
		2928
		2929	=cut
		2930
		2931	sub cf::client::ext_reply($$@) {
		2932	my ($self, $id, @msg) = @_;
		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2936	} elsif ($self->extcmd == 1) {
		2937	#TODO: version 1, remove
		2938	unshift @msg, msgtype => "reply", msgid => $id;
		2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2940	}
2123	}	2941	}
2124		2942
2125	=item $success = $client->query ($flags, "text", \&cb)	2943	=item $success = $client->query ($flags, "text", \&cb)
2126		2944
2127	Queues a query to the client, calling the given callback with	2945	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2946	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2947	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2948
2131	Queries can fail, so check the return code. Or don't, as queries will become	2949	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2950	become reliable at some point in the future.
2133		2951
2134	=cut	2952	=cut
2135		2953
2136	sub cf::client::query {	2954	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2955	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2963	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2964	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2965
2148	$self->send_packet ($self->{query_queue}[0][0])	2966	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2967	if @{ $self->{query_queue} } == 1;
		2968
		2969	1
2150	}	2970	}
2151		2971
2152	cf::client->attach (	2972	cf::client->attach (
		2973	on_connect => sub {
		2974	my ($ns) = @_;
		2975
		2976	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2977	},
2153	on_reply => sub {	2978	on_reply => sub {
2154	my ($ns, $msg) = @_;	2979	my ($ns, $msg) = @_;
2155		2980
2156	# this weird shuffling is so that direct followup queries	2981	# this weird shuffling is so that direct followup queries
2157	# get handled first	2982	# get handled first
…		…
2169	} else {	2994	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2995	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2996	}
2172	}	2997	}
2173	},	2998	},
		2999	on_exticmd => sub {
		3000	my ($ns, $buf) = @_;
		3001
		3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3003
		3004	if (ref $msg) {
		3005	my ($type, $reply, @payload) =
		3006	"ARRAY" eq ref $msg
		3007	? @$msg
		3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3009
		3010	my @reply;
		3011
		3012	if (my $cb = $EXTICMD{$type}) {
		3013	@reply = $cb->($ns, @payload);
		3014	}
		3015
		3016	$ns->ext_reply ($reply, @reply)
		3017	if $reply;
		3018
		3019	} else {
		3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3021	}
		3022
		3023	cf::override;
		3024	},
2174	);	3025	);
2175		3026
2176	=item $client->async (\&cb)	3027	=item $client->async (\&cb)
2177		3028
2178	Create a new coroutine, running the specified callback. The coroutine will	3029	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3070	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3071	our $safe_hole = new Safe::Hole;
2221		3072
2222	$SIG{FPE} = 'IGNORE';	3073	$SIG{FPE} = 'IGNORE';
2223		3074
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3075	$safe->permit_only (Opcode::opset qw(
		3076	:base_core :base_mem :base_orig :base_math
		3077	grepstart grepwhile mapstart mapwhile
		3078	sort time
		3079	));
2225		3080
2226	# here we export the classes and methods available to script code	3081	# here we export the classes and methods available to script code
2227		3082
2228	=pod	3083	=pod
2229		3084
2230	The following functions and methods are available within a safe environment:	3085	The following functions and methods are available within a safe environment:
2231		3086
2232	cf::object contr pay_amount pay_player map	3087	cf::object
		3088	contr pay_amount pay_player map x y force_find force_add destroy
		3089	insert remove name archname title slaying race decrease split
		3090
2233	cf::object::player player	3091	cf::object::player
2234	cf::player peaceful	3092	player
2235	cf::map trigger	3093
		3094	cf::player
		3095	peaceful
		3096
		3097	cf::map
		3098	trigger
2236		3099
2237	=cut	3100	=cut
2238		3101
2239	for (	3102	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3104	insert remove inv name archname title slaying race
		3105	decrease split destroy)],
2241	["cf::object::player" => qw(player)],	3106	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3107	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3108	["cf::map" => qw(trigger)],
2244	) {	3109	) {
2245	no strict 'refs';	3110	no strict 'refs';
…		…
2316	=back	3181	=back
2317		3182
2318	=cut	3183	=cut
2319		3184
2320	#############################################################################	3185	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3186	# the server's init and main functions
2496		3187
2497	sub load_facedata($) {	3188	sub load_facedata($) {
2498	my ($path) = @_;	3189	my ($path) = @_;
		3190
		3191	# HACK to clear player env face cache, we need some signal framework
		3192	# for this (global event?)
		3193	%ext::player_env::MUSIC_FACE_CACHE = ();
		3194
		3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3196
2500	warn "loading facedata from $path\n";	3197	warn "loading facedata from $path\n";
2501		3198
2502	my $facedata;	3199	my $facedata;
2503	0 < aio_load $path, $facedata	3200	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3203	$facedata = Coro::Storable::thaw $facedata;
2507		3204
2508	$facedata->{version} == 2	3205	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3206	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3207
		3208	# patch in the exptable
		3209	$facedata->{resource}{"res/exp_table"} = {
		3210	type => FT_RSRC,
		3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3212	};
		3213	cf::cede_to_tick;
		3214
2511	{	3215	{
2512	my $faces = $facedata->{faceinfo};	3216	my $faces = $facedata->{faceinfo};
2513		3217
2514	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3220
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3221	cf::face::set_visibility $idx, $info->{visibility};
		3222	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3225
		3226	cf::cede_to_tick;
2520	}	3227	}
2521		3228
2522	while (my ($face, $info) = each %$faces) {	3229	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3230	next unless $info->{smooth};
		3231
2524	my $idx = cf::face::find $face	3232	my $idx = cf::face::find $face
2525	or next;	3233	or next;
		3234
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3235	if (my $smooth = cf::face::find $info->{smooth}) {
		3236	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3238	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3239	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3240	}
2531	Coro::cede;	3241
		3242	cf::cede_to_tick;
2532	}	3243	}
2533	}	3244	}
2534		3245
2535	{	3246	{
2536	my $anims = $facedata->{animinfo};	3247	my $anims = $facedata->{animinfo};
2537		3248
2538	while (my ($anim, $info) = each %$anims) {	3249	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3250	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3251	cf::cede_to_tick;
2541	}	3252	}
2542		3253
2543	cf::anim::invalidate_all; # d'oh	3254	cf::anim::invalidate_all; # d'oh
2544	}	3255	}
2545		3256
		3257	{
		3258	# TODO: for gcfclient pleasure, we should give resources
		3259	# that gcfclient doesn't grok a >10000 face index.
		3260	my $res = $facedata->{resource};
		3261
		3262	while (my ($name, $info) = each %$res) {
		3263	if (defined $info->{type}) {
		3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3265	my $data;
		3266
		3267	if ($info->{type} & 1) {
		3268	# prepend meta info
		3269
		3270	my $meta = $enc->encode ({
		3271	name => $name,
		3272	%{ $info->{meta} || {} },
		3273	});
		3274
		3275	$data = pack "(w/a*)*", $meta, $info->{data};
		3276	} else {
		3277	$data = $info->{data};
		3278	}
		3279
		3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3281	cf::face::set_type $idx, $info->{type};
		3282	} else {
		3283	$RESOURCE{$name} = $info;
		3284	}
		3285
		3286	cf::cede_to_tick;
		3287	}
		3288	}
		3289
		3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3291
2546	1	3292	1
2547	}	3293	}
2548		3294
		3295	cf::global->attach (on_resource_update => sub {
		3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3298
		3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3300	my $sound = $soundconf->{compat}[$_]
		3301	or next;
		3302
		3303	my $face = cf::face::find "sound/$sound->[1]";
		3304	cf::sound::set $sound->[0] => $face;
		3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3306	}
		3307
		3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3309	my $face = cf::face::find "sound/$v";
		3310	cf::sound::set $k => $face;
		3311	}
		3312	}
		3313	});
		3314
		3315	register_exticmd fx_want => sub {
		3316	my ($ns, $want) = @_;
		3317
		3318	while (my ($k, $v) = each %$want) {
		3319	$ns->fx_want ($k, $v);
		3320	}
		3321	};
		3322
		3323	sub load_resource_file($) {
		3324	my $guard = lock_acquire "load_resource_file";
		3325
		3326	my $status = load_resource_file_ $_[0];
		3327	get_slot 0.1, 100;
		3328	cf::arch::commit_load;
		3329
		3330	$status
		3331	}
		3332
2549	sub reload_regions {	3333	sub reload_regions {
		3334	# HACK to clear player env face cache, we need some signal framework
		3335	# for this (global event?)
		3336	%ext::player_env::MUSIC_FACE_CACHE = ();
		3337
2550	load_resource_file "$MAPDIR/regions"	3338	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3339	or die "unable to load regions file\n";
		3340
		3341	for (cf::region::list) {
		3342	$_->{match} = qr/$_->{match}/
		3343	if exists $_->{match};
		3344	}
2552	}	3345	}
2553		3346
2554	sub reload_facedata {	3347	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3348	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3349	or die "unable to load facedata\n";
…		…
2567	}	3360	}
2568		3361
2569	sub reload_resources {	3362	sub reload_resources {
2570	warn "reloading resource files...\n";	3363	warn "reloading resource files...\n";
2571		3364
2572	reload_regions;
2573	reload_facedata;	3365	reload_facedata;
2574	reload_archetypes;	3366	reload_archetypes;
		3367	reload_regions;
2575	reload_treasures;	3368	reload_treasures;
2576		3369
2577	warn "finished reloading resource files\n";	3370	warn "finished reloading resource files\n";
2578	}	3371	}
2579		3372
2580	sub init {	3373	sub init {
		3374	my $guard = freeze_mainloop;
		3375
2581	reload_resources;	3376	reload_resources;
2582	}	3377	}
2583		3378
2584	sub cfg_load {	3379	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3380	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3381	or return;
2587		3382
2588	local $/;	3383	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3384	*CFG = YAML::Load <$fh>;
2590		3385
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3387
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2605	sub main {	3400	sub main {
2606	# we must not ever block the main coroutine	3401	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3402	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3404	(async {
2610	Event::one_event;	3405	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3406	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3407	})->prio (Coro::PRIO_MAX);
2612	};	3408	};
2613		3409
2614	cfg_load;	3410	{
		3411	my $guard = freeze_mainloop;
		3412	reload_config;
2615	db_init;	3413	db_init;
2616	load_extensions;	3414	load_extensions;
2617		3415
2618	$TICK_WATCHER->start;	3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417	evthread_start IO::AIO::poll_fileno;
		3418	}
		3419
2619	Event::loop;	3420	EV::loop;
2620	}	3421	}
2621		3422
2622	#############################################################################	3423	#############################################################################
2623	# initialisation and cleanup	3424	# initialisation and cleanup
2624		3425
2625	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2626	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2635	},
2636	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	my $runtime = "$LOCALDIR/runtime";
		3438
		3439	# first touch the runtime file to show we are still running:
		3440	# the fsync below can take a very very long time.
		3441
		3442	IO::AIO::aio_utime $runtime, undef, undef;
		3443
		3444	my $guard = cf::lock_acquire "write_runtime";
		3445
		3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3447	or return;
		3448
		3449	my $value = $cf::RUNTIME + 90 + 10;
		3450	# 10 is the runtime save interval, for a monotonic clock
		3451	# 60 allows for the watchdog to kill the server.
		3452
		3453	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3454	and return;
		3455
		3456	# always fsync - this file is important
		3457	aio_fsync $fh
		3458	and return;
		3459
		3460	# touch it again to show we are up-to-date
		3461	aio_utime $fh, undef, undef;
		3462
		3463	close $fh
		3464	or return;
		3465
		3466	aio_rename "$runtime~", $runtime
		3467	and return;
		3468
		3469	warn "runtime file written.\n";
		3470
2637	}	3471	1
		3472	}
		3473
		3474	our $uuid_lock;
		3475	our $uuid_skip;
		3476
		3477	sub write_uuid_sync($) {
		3478	$uuid_skip ||= $_[0];
		3479
		3480	return if $uuid_lock;
		3481	local $uuid_lock = 1;
		3482
		3483	my $uuid = "$LOCALDIR/uuid";
		3484
		3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3486	or return;
		3487
		3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3489	$uuid_skip = 0;
		3490
		3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3492	and return;
		3493
		3494	# always fsync - this file is important
		3495	aio_fsync $fh
		3496	and return;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$uuid~", $uuid
		3502	and return;
		3503
		3504	warn "uuid file written ($value).\n";
		3505
		3506	1
		3507
		3508	}
		3509
		3510	sub write_uuid($$) {
		3511	my ($skip, $sync) = @_;
		3512
		3513	$sync ? write_uuid_sync $skip
		3514	: async { write_uuid_sync $skip };
2638	}	3515	}
2639		3516
2640	sub emergency_save() {	3517	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3518	my $freeze_guard = cf::freeze_mainloop;
2642		3519
…		…
2648	# and maps saved/destroyed asynchronously.	3525	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3526	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3527	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3528	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3529	$pl->valid or next;
		3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3531	$pl->save;
2654	}	3532	}
2655	warn "end emergency player save\n";	3533	warn "end emergency player save\n";
2656		3534
2657	warn "begin emergency map save\n";	3535	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3541	warn "end emergency map save\n";
2664		3542
2665	warn "begin emergency database checkpoint\n";	3543	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3544	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3545	warn "end emergency database checkpoint\n";
		3546
		3547	warn "begin write uuid\n";
		3548	write_uuid_sync 1;
		3549	warn "end write uuid\n";
2668	};	3550	};
2669		3551
2670	warn "leave emergency perl save\n";	3552	warn "leave emergency perl save\n";
2671	}	3553	}
2672		3554
…		…
2687	warn "reloading...";	3569	warn "reloading...";
2688		3570
2689	warn "entering sync_job";	3571	warn "entering sync_job";
2690		3572
2691	cf::sync_job {	3573	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3574	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3575	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2695		3577
2696	warn "syncing database to disk";	3578	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3580
2699	# if anything goes wrong in here, we should simply crash as we already saved	3581	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705		3582
2706	warn "flushing outstanding aio requests";	3583	warn "flushing outstanding aio requests";
2707	for (;;) {	3584	for (;;) {
2708	BDB::flush;	3585	BDB::flush;
2709	IO::AIO::flush;	3586	IO::AIO::flush;
2710	Coro::cede;	3587	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3588	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3589	warn "iterate...";
2713	}	3590	}
2714		3591
2715	++$RELOAD;	3592	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3596	%EXT_CORO = ();
2720		3597
2721	warn "removing commands";	3598	warn "removing commands";
2722	%COMMAND = ();	3599	%COMMAND = ();
2723		3600
2724	warn "removing ext commands";	3601	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3602	%EXTCMD = ();
		3603	%EXTICMD = ();
2726		3604
2727	warn "unloading/nuking all extensions";	3605	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3606	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3607	warn "... unloading $pkg";
2730		3608
…		…
2773	warn "reloading cf.pm";	3651	warn "reloading cf.pm";
2774	require cf;	3652	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3654
2777	warn "loading config and database again";	3655	warn "loading config and database again";
2778	cf::cfg_load;	3656	cf::reload_config;
2779		3657
2780	warn "loading extensions";	3658	warn "loading extensions";
2781	cf::load_extensions;	3659	cf::load_extensions;
2782		3660
2783	warn "reattaching attachments to objects/players";	3661	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3668	warn "leaving sync_job";
2791		3669
2792	1	3670	1
2793	} or do {	3671	} or do {
2794	warn $@;	3672	warn $@;
2795	warn "error while reloading, exiting.";	3673	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3674	};
2798		3675
2799	warn "reloaded";	3676	warn "reloaded";
2800	};	3677	};
2801		3678
…		…
2803		3680
2804	sub reload_perl() {	3681	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3682	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3683	# coro crashes during coro_state_free->destroy here.
2807		3684
2808	$RELOAD_WATCHER ||= Event->timer (	3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3686	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3687	undef $RELOAD_WATCHER;
2815	},
2816	);	3688	};
2817	}	3689	}
2818		3690
2819	register_command "reload" => sub {	3691	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3692	my ($who, $arg) = @_;
2821		3693
2822	if ($who->flag (FLAG_WIZ)) {	3694	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3695	$who->message ("reloading server.");
		3696	async {
		3697	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3698	reload_perl;
		3699	};
2825	}	3700	}
2826	};	3701	};
2827		3702
2828	unshift @INC, $LIBDIR;	3703	unshift @INC, $LIBDIR;
2829		3704
…		…
2831		3706
2832	our @WAIT_FOR_TICK;	3707	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3708	our @WAIT_FOR_TICK_BEGIN;
2834		3709
2835	sub wait_for_tick {	3710	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3711	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3712
2839	my $signal = new Coro::Signal;	3713	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3714	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3715	$signal->wait;
2842	}	3716	}
2843		3717
2844	sub wait_for_tick_begin {	3718	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3719	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3720
2848	my $signal = new Coro::Signal;	3721	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3722	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3723	$signal->wait;
2851	}	3724	}
2852		3725
2853	$TICK_WATCHER = Event->timer (	3726	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3727	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3729	unless ++$bug_warning > 10;
2863	return;	3730	return;
2864	}	3731	}
2865		3732
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3733	cf::server_tick; # one server iteration
2869		3734
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3737	Coro::async_pool {
		3738	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3739	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3740	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3741	};
		3742	}
2880		3743
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3745	$sig->send;
2886	}	3746	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3747	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3748	$sig->send;
2889	}	3749	}
2890		3750
2891	$NOW = Event::time;	3751	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3753
2902	_post_tick;	3754	if (0) {
2903		3755	if ($NEXT_TICK) {
2904		3756	my $jitter = $TICK_START - $NEXT_TICK;
		3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3758	warn "jitter $JITTER\n";#d#
		3759	}
2905	},	3760	}
2906	);	3761	}
2907		3762
2908	{	3763	{
2909	BDB::max_poll_time $TICK * 0.1;	3764	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3765
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3766	BDB::min_parallel 8;
2919		3767	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3768	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3769
2935	unless ($DB_ENV) {	3770	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3771	$DB_ENV = BDB::db_env_create;
		3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3773	| BDB::LOG_AUTOREMOVE, 1);
		3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3776
2938	cf::sync_job {	3777	cf::sync_job {
2939	eval {	3778	eval {
2940	BDB::db_env_open	3779	BDB::db_env_open
2941	$DB_ENV,	3780	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3782	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3783	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3784	0666;
2946		3785
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3786	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3787	};
2952		3788
2953	cf::cleanup "db_env_open(db): $@" if $@;	3789	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3790	};
2955	}	3791	}
		3792
		3793	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3794	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3795	};
		3796	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3798	};
		3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3801	};
2956	}	3802	}
2957		3803
2958	{	3804	{
		3805	# configure IO::AIO
		3806
2959	IO::AIO::min_parallel 8;	3807	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3808	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3809	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3810	}
2972		3811
2973	my $_log_backtrace;	3812	my $_log_backtrace;
2974		3813
2975	sub _log_backtrace {	3814	sub _log_backtrace {
…		…
2979		3818
2980	# limit the # of concurrent backtraces	3819	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3820	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3821	++$_log_backtrace;
2983	async {	3822	async {
		3823	$Coro::current->{desc} = "abt $msg";
		3824
2984	my @bt = fork_call {	3825	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3826	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3827	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3828	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3829	or die "addr2line: $!";

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