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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 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
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		64
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
…		…
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
72		93
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	97	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
80		99
81	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	104	our $DB_ENV;
83		105
84	our %CFG;	106	our %CFG;
85		107
86	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
88		111
89	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
92		115
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		118
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
98	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
99		123
100	binmode STDOUT;	124	binmode STDOUT;
101	binmode STDERR;	125	binmode STDERR;
102		126
103	# read virtual server time, if available	127	# read virtual server time, if available
…		…
156		180
157	The raw value load value from the last tick.	181	The raw value load value from the last tick.
158		182
159	=item %cf::CFG	183	=item %cf::CFG
160		184
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	186	from wherever your confdir points to.
163		187
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		189
166	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
167	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
168	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.
169		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
170	=back	200	=back
171		201
172	=cut	202	=cut
173		203
174	BEGIN {	204	BEGIN {
…		…
178	$msg .= "\n"	208	$msg .= "\n"
179	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
180		210
181	$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;
182		212
183	utf8::encode $msg;
184	LOG llevError, $msg;	213	LOG llevError, $msg;
185	};	214	};
186	}	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	$SIG{__DIE__} = sub { }; #d#?
187		231
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
204	)) {	248	)) {
205	no strict 'refs';	249	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	251	}
208		252
209	$Event::DIED = sub {	253	$EV::DIED = sub {
210	warn "error in event callback: @_";	254	warn "error in event callback: @_";
211	};	255	};
212		256
213	#############################################################################	257	#############################################################################
214		258
…		…
237	$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;
238	$d	282	$d
239	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
240	}	284	}
241		285
242	use JSON::XS ();
243
244	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
245		287
246	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
247		289
248	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
249		291
250	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
251		293
252	=cut	294	=cut
253		295
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		297
256	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
258		300
259	=item cf::lock_wait $string	301	=item cf::lock_wait $string
260		302
261	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
262		304
…		…
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
268	returned.	310	returned.
269		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
270	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
271	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
272		317
273	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
274		319
275	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
276		321
277	=cut	322	=cut
278		323
279	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
280		326
281	sub lock_wait($) {	327	sub lock_wait($) {
282	my ($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#
283		334
284	# wait for lock, if any	335	# wait for lock, if any
285	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	338	Coro::schedule;
…		…
293		344
294	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
295	lock_wait $key;	346	lock_wait $key;
296		347
297	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
298		350
299	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
302	}	355	}
303	}	356	}
304		357
…		…
307		360
308	! ! $LOCK{$key}	361	! ! $LOCK{$key}
309	}	362	}
310		363
311	sub freeze_mainloop {	364	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
313		366
314	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
315	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
316	};	428	}
317	$TICK_WATCHER->stop;	429	};
318	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
319	}	443	}
320		444
321	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
322		446
323	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		452
329	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
330		454
331	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
332		456
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	460	acceptable.
337		461
338	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		468
345	sub sync_job(&) {	469	sub sync_job(&) {
346	my ($job) = @_;	470	my ($job) = @_;
347		471
348	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	473	my $time = EV::time;
350		474
351	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
353		477
354	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	479
356	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
357		481
358	my $busy = 1;	482	my $busy = 1;
359	my @res;	483	my @res;
360		484
361	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	487	@res = eval { $job->() };
363	warn $@ if $@;	488	warn $@ if $@;
364	undef $busy;	489	undef $busy;
365	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
366		491
367	while ($busy) {	492	while ($busy) {
368	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
369	}	497	}
		498	}
370		499
371	$time = Event::time - $time;	500	my $time = EV::time - $time;
372		501
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
377		503
378	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
379	} else {	505	} else {
380	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
381		507
…		…
406	=item fork_call { }, $args	532	=item fork_call { }, $args
407		533
408	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
412		538
413	=cut	539	=cut
414		540
415	sub fork_call(&@) {	541	sub fork_call(&@) {
416	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
417		543
418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	544	# we seemingly have to make a local copy of the whole thing,
419	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		547
423	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
424	close $fh2;
425
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	549	reset_signals;
436	local $SIG{__WARN__};	550	&$cb
437	local $SIG{__DIE__};	551	}, @args;
438	eval {
439	close $fh1;
440		552
441	my @res = eval { $cb->(@args) };	553	wantarray ? @res : $res[-1]
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	554	}
443	};
444		555
445	warn $@ if $@;	556	=item $coin = coin_from_name $name
446	_exit 0;	557
447	}	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
448	}	581	}
449		582
450	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
451		584
452	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
455		588
456	Stores the given C<$value> in the family. It can currently store binary	589	Stores the given C<$value> in the family. It can currently store binary
457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
458		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
459	=cut	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 $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
460		615
461	our $DB;	616	our $DB;
462		617
463	sub db_init {	618	sub db_init {
464	unless ($DB) {
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {	619	cf::sync_job {
468	eval {	620	$DB ||= db_table "db";
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}	621	};
478	}	622	}
479		623
480	sub db_get($$) {	624	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
482		626
…		…
532	if (1) {	676	if (1) {
533	$md5 =	677	$md5 =
534	join "\x00",	678	join "\x00",
535	$processversion,	679	$processversion,
536	map {	680	map {
537	Coro::cede;	681	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	683	} 0.. $#$src;
540		684
541		685
542	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
586	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")
587	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
588		732
589	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>
590	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
591	Crossfire TRT).	735	Deliantra).
592		736
593	=over 4	737	=over 4
594		738
595	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
596		740
…		…
848	";	992	";
849	die if $@;	993	die if $@;
850	}	994	}
851		995
852	our $override;	996	our $override;
853	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?
854		998
855	sub override {	999	sub override {
856	$override = 1;	1000	$override = 1;
857	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
858	}	1002	}
859		1003
860	sub do_invoke {	1004	sub do_invoke {
861	my $event = shift;	1005	my $event = shift;
862	my $callbacks = shift;	1006	my $callbacks = shift;
863		1007
864	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
865		1009
866	local $override;	1010	local $override;
867		1011
868	for (@$callbacks) {	1012	for (@$callbacks) {
869	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
878	}	1022	}
879		1023
880	0	1024	0
881	}	1025	}
882		1026
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1028
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1030
887	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
888		1032
889	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
890	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
891	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1036
893	=back	1037	=back
894		1038
895	=cut	1039	=cut
896		1040
897	#############################################################################	1041	#############################################################################
898	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
899		1085
900	sub reattach {	1086	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1088	my ($obj) = @_;
903		1089
…		…
924	cf::attachable->attach (	1110	cf::attachable->attach (
925	prio => -1000000,	1111	prio => -1000000,
926	on_instantiate => sub {	1112	on_instantiate => sub {
927	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
928		1114
929	$data = from_json $data;	1115	$data = decode_json $data;
930		1116
931	for (@$data) {	1117	for (@$data) {
932	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
933		1119
934	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1136	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
952		1138
953	sync_job {	1139	sync_job {
954	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
957		1144
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1149	aio_close $fh;
963		1150
964	if (@$objs) {	1151	if (@$objs) {
965	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) {
966	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
969	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
970	close $fh;	1157	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
972	}	1159	}
973	} else {	1160	} else {
974	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
975	}	1162	}
…		…
980	}	1167	}
981	} else {	1168	} else {
982	aio_unlink $filename;	1169	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
984	}	1171	}
985	}	1172	};
986	}	1173	}
987		1174
988	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
990		1177
…		…
1002	or return;	1189	or return;
1003		1190
1004	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1193	or return;
		1194
1007	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1008	}	1197	}
1009		1198
		1199	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1012	return ($data, $av);	1203	($data, $av)
1013	}	1204	}
1014		1205
1015	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1016		1207
1017	=over 4	1208	=over 4
…		…
1087	cf::override;	1278	cf::override;
1088	},	1279	},
1089	on_extcmd => sub {	1280	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
1091		1282
1092	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1284
1094	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
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1100	} else {	1300	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1302	}
1103		1303
1104	cf::override;	1304	cf::override;
…		…
1157	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1158	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1159		1359
1160	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1161	warn $msg;	1361	warn $msg;
1162	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1163	exit 1;
1164	}	1363	}
1165		1364
1166	warn $msg;	1365	warn $msg;
1167	}	1366	}
1168		1367
…		…
1193	use Coro::AIO;	1392	use Coro::AIO;
1194		1393
1195	=head3 cf::player	1394	=head3 cf::player
1196		1395
1197	=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	}
1198		1411
1199	=item cf::player::find $login	1412	=item cf::player::find $login
1200		1413
1201	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1202		1415
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1455
1243	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1246	}	1465	}
1247	}	1466	}
1248	}	1467	}
1249		1468
…		…
1258	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1259		1478
1260	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1262		1481
		1482	cf::get_slot 0.01;
		1483
1263	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1264	Coro::cede;	1485	cf::cede_to_tick;
1265	}	1486	}
1266		1487
1267	sub new($) {	1488	sub new($) {
1268	my ($login) = @_;	1489	my ($login) = @_;
1269		1490
…		…
1273	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1274		1495
1275	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1276		1497
1277	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1278	}	1509	}
1279		1510
1280	=item $pl->quit_character	1511	=item $pl->quit_character
1281		1512
1282	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1337	or return [];	1568	or return [];
1338		1569
1339	my @logins;	1570	my @logins;
1340		1571
1341	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1345		1582
1346	utf8::decode $login;	1583	utf8::decode $login;
1347	push @logins, $login;	1584	push @logins, $login;
1348	}	1585	}
1349		1586
…		…
1382		1619
1383	Expand crossfire pod fragments into protocol xml.	1620	Expand crossfire pod fragments into protocol xml.
1384		1621
1385	=cut	1622	=cut
1386		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
1387	sub expand_cfpod {	1635	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;	1636	my ($self, $pod) = @_;
1389		1637
1390	# escape & and <	1638	my $xml;
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393		1639
1394	# this is buggy, it needs to properly take care of nested <'s	1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
1395		1643
1396	1 while	1644	$group =~ s/&/&amp;/g;
1397	# replace B<>, I<>, U<> etc.	1645	$group =~ s/</&lt;/g;
1398	s/B<([^\>]*)>/<b>$1<\/b>/	1646
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/	1647	$xml .= $group;
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/	1648	} elsif ($pod =~ m%\G
1401	# replace G<male|female> tags	1649	([BCGHITU])
1402	|| s{G<([^>|]*)\|([^>]*)>}{	1650	<
1403	$self->gender ? $2 : $1	1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
1404	}ge	1687	}
1405	# replace H<hint text>	1688	}
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407		1689
		1690	for ($xml) {
1408	# create single paragraphs (very hackish)	1691	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;	1692	s/(?<=\S)\n(?=\w)/ /g;
1410		1693
1411	$_	1694	# compress some whitespace
1412	}	1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
1413		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1414	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1415		1712
1416	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1417		1714
1418	=cut	1715	=cut
1419		1716
1420	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1422		1719
1423	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1721	}
1426		1722
1427	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1428		1724
1429	Sends an ext event to the client.	1725	Sends an ext event to the client.
1430		1726
1431	=cut	1727	=cut
1432		1728
1433	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1435		1731
1436	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1437	}	1733	}
1438		1734
1439	=head3 cf::region	1735	=head3 cf::region
1440		1736
1441	=over 4	1737	=over 4
…		…
1454	my ($path) = @_;	1750	my ($path) = @_;
1455		1751
1456	my ($match, $specificity);	1752	my ($match, $specificity);
1457		1753
1458	for my $region (list) {	1754	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1462	}	1758	}
1463	}	1759	}
1464		1760
…		…
1485	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1487		1783
1488	sub generate_random_map {	1784	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1490	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1491	$self->_create_random_map (	1790	$self->_create_random_map (
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1584	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1585	return $self;	1884	return $self;
1586	}	1885	}
1587	}	1886	}
1588		1887
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1590	()	1889	()
1591	}	1890	}
1592		1891
1593	sub init {	1892	sub init {
1594	my ($self) = @_;	1893	my ($self) = @_;
…		…
1616		1915
1617	# the temporary/swap location	1916	# the temporary/swap location
1618	sub save_path {	1917	sub save_path {
1619	my ($self) = @_;	1918	my ($self) = @_;
1620		1919
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1623	}	1922	}
1624		1923
1625	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1626	sub uniq_path {	1925	sub uniq_path {
1627	my ($self) = @_;	1926	my ($self) = @_;
1628		1927
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1631	}	1930	}
1632		1931
1633	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1634	# all maps in C++...	1933	# all maps in C++...
…		…
1657		1956
1658	sub load_header_from($) {	1957	sub load_header_from($) {
1659	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1660		1959
1661	utf8::encode $path;	1960	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1667		1969
1668	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1669		1971
1670	1	1972	1
1671	}	1973	}
…		…
1725	sub find {	2027	sub find {
1726	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1727		2029
1728	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1729		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1731		2034
1732	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1734	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1735	or return;	2040	or return;
1736		2041
1737	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1738		2043
…		…
1740	or return;	2045	or return;
1741		2046
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1745	$map->reset;	2052	$map->reset;
1746	undef $guard;
1747	return find $path;	2053	return find $path;
1748	}	2054	}
1749		2055
1750	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1751	}	2057	}
…		…
1760	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1761		2067
1762	my $path = $self->{path};	2068	my $path = $self->{path};
1763		2069
1764	{	2070	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1766		2072
		2073	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		2075
1769	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1770		2077
1771	$self->alloc;	2078	$self->alloc;
1772		2079
1773	$self->pre_load;	2080	$self->pre_load;
1774	Coro::cede;	2081	cf::cede_to_tick;
1775		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1776	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1777	or return;	2086	or return;
1778		2087
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1780	if delete $self->{load_original};	2089	if delete $self->{load_original};
1781		2090
1782	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2092	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2095	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1787	}	2099	}
1788	}	2100	}
1789		2101
1790	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1791	# now do the right thing for maps	2105	# now do the right thing for maps
1792	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2108	unless $self->difficulty;
1795	Coro::cede;	2109	cf::cede_to_tick;
1796		2110
1797	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2112	$self->decay_objects;
1799	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1800	$self->update_buttons;	2114	$self->update_buttons;
1801	Coro::cede;	2115	cf::cede_to_tick;
1802	$self->set_darkness_map;	2116	$self->set_darkness_map;
1803	Coro::cede;	2117	cf::cede_to_tick;
1804	$self->activate;	2118	$self->activate;
1805	}	2119	}
1806		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2125	}
1809		2126
1810	$self->post_load;	2127	$self->post_load;
1811	}	2128	}
1812		2129
…		…
1821		2138
1822	$self	2139	$self
1823	}	2140	}
1824		2141
1825	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {	2143	sub load_neighbours {
1827	my ($map) = @_;	2144	my ($map) = @_;
1828		2145
1829	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1830		2147
1831	for (0 .. 3) {	2148	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1833	or next;	2150	or next;
1834	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1835	or next;	2152	or next;
1836	$neigh->load;	2153	$neigh->load;
1837		2154
		2155	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2158	}
1841		2159
1842	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1844	or next;	2163	or next;
1845	$neigh->load;	2164	$neigh->load;
1846	}	2165	}
1847	}	2166	}
1848		2167
…		…
1853	}	2172	}
1854		2173
1855	sub do_load_sync {	2174	sub do_load_sync {
1856	my ($map) = @_;	2175	my ($map) = @_;
1857		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1858	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1859	}	2181	}
1860		2182
1861	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1863		2185
1864	sub find_async {	2186	sub find_async {
1865	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1866		2188
1867	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1868		2190
1869	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2193	}
1872		2194
1873	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1874	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1875	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2202	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2203	$map->load if $v;
		2204	}
1880		2205
1881	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1882	}	2207	}
1883	}	2208	}
1884	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1885	};	2210	};
1886	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1889	}	2214	}
1890		2215
1891	sub save {	2216	sub save {
1892	my ($self) = @_;	2217	my ($self) = @_;
1893		2218
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1895		2220
1896	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1897		2222
1898	return unless $self->dirty;	2223	return unless $self->dirty;
1899		2224
…		…
1905	return if $self->{deny_save};	2230	return if $self->{deny_save};
1906		2231
1907	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1908		2233
1909	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1911	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1912		2240
1913	if ($uniq) {	2241	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2244	} else {
…		…
1922	my ($self) = @_;	2250	my ($self) = @_;
1923		2251
1924	# save first because save cedes	2252	# save first because save cedes
1925	$self->save;	2253	$self->save;
1926		2254
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2256
1929	return if $self->players;	2257	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1931	return if $self->{deny_save};	2259	return if $self->{deny_save};
1932		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1933	$self->clear;	2265	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2266	}
1936		2267
1937	sub reset_at {	2268	sub reset_at {
1938	my ($self) = @_;	2269	my ($self) = @_;
1939		2270
…		…
1971	if $uniq;	2302	if $uniq;
1972	}	2303	}
1973		2304
1974	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1975		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2309	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2310
1980	$self->unlink_save;	2311	$self->unlink_save;
1981	$self->destroy;	2312	$self->destroy;
1982	}	2313	}
1983		2314
1984	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1985		2316
1986	sub nuke {	2317	sub nuke {
1987	my ($self) = @_;	2318	my ($self) = @_;
1988		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1989	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1990		2324
1991	$self->unlink_save;	2325	$self->unlink_save;
1992		2326
1993	bless $self, "cf::map";	2327	bless $self, "cf::map";
1994	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2332
1999	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
2000		2335
2001	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
2002	}	2337	}
2003		2338
2004	=item $maps = cf::map::tmp_maps	2339	=item $maps = cf::map::tmp_maps
…		…
2046		2381
2047	sub unique_maps() {	2382	sub unique_maps() {
2048	[	2383	[
2049	map {	2384	map {
2050	utf8::decode $_;	2385	utf8::decode $_;
2051	/\.map$/	2386	s/\.map$//; # TODO future compatibility hack
		2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2388	? ()
2052	? normalise $_	2389	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2390	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2391	]
2056	}	2392	}
2057		2393
2058	package cf;
2059
2060	=back	2394	=back
2061		2395
2062	=head3 cf::object	2396	=head3 cf::object
2063		2397
2064	=cut	2398	=cut
…		…
2067		2401
2068	=over 4	2402	=over 4
2069		2403
2070	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
2071		2405
2072	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
2073		2408
2074	=cut	2409	=cut
2075		2410
2076	sub inv_recursive_;	2411	sub inv_recursive_;
2077	sub inv_recursive_ {	2412	sub inv_recursive_ {
2078	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
2079	}	2414	}
2080		2415
2081	sub inv_recursive {	2416	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
2083	}	2446	}
2084		2447
2085	package cf;	2448	package cf;
2086		2449
2087	=back	2450	=back
…		…
2111		2474
2112	} else {	2475	} else {
2113	my $pl = $self->contr;	2476	my $pl = $self->contr;
2114		2477
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2478	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2479	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2481
2124	} else {	2482	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
2127	}	2485	}
2128	}	2486	}
		2487	}
		2488
		2489	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	=cut
		2492
		2493	sub cf::object::send_msg {
		2494	my $pl = shift->contr
		2495	or return;
		2496	$pl->send_msg (@_);
2129	}	2497	}
2130		2498
2131	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
2132		2500
2133	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
2212	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
2215		2583
2216	$map->load;	2584	$map->load;
2217	$map->load_diag;	2585	$map->load_neighbours;
2218		2586
2219	return unless $self->contr->active;	2587	return unless $self->contr->active;
2220	$self->activate_recursive;	2588	$self->activate_recursive;
2221		2589
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
2224	}	2592	}
2225		2593
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2227		2595
2228	Moves the player to the given map-path and coordinates by first freezing	2596	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2597	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2598	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2599	the new (success) or old (failed) map position. In either case, $done will
		2600	be called at the end of this process.
2232		2601
2233	=cut	2602	=cut
2234		2603
2235	our $GOTOGEN;	2604	our $GOTOGEN;
2236		2605
2237	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2607	my ($self, $path, $x, $y, $check, $done) = @_;
2239		2608
2240	# do generation counting so two concurrent goto's will be executed in-order	2609	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2611
2243	$self->enter_link;	2612	$self->enter_link;
2244		2613
2245	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
2246	my $map = eval {	2636	my $map = eval {
2247	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
2248		2638
2249	if ($map) {	2639	if ($map) {
2250	$map = $map->customise_for ($self);	2640	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2641	$map = $check->($map) if $check && $map;
2252	} else {	2642	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2644	}
2255		2645
2256	$map	2646	$map
2257	};	2647	};
2258		2648
…		…
2263		2653
2264	if ($gen == $self->{_goto_generation}) {	2654	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2655	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
2267	}	2657	}
		2658
		2659	$done->() if $done;
2268	})->prio (1);	2660	})->prio (1);
2269	}	2661	}
2270		2662
2271	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
2272		2664
…		…
2309	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
2310	}	2702	}
2311		2703
2312	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
2313		2705
2314	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
2317		2709
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
…		…
2341	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
2343		2735
2344	$self->enter_link;	2736	$self->enter_link;
2345		2737
		2738	# if exit is damned, update players death & WoR home-position
		2739	$self->contr->savebed ($slaying, $hp, $sp)
		2740	if $exit->flag (FLAG_DAMNED);
		2741
2346	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
2347	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
2348	unless (eval {	2746	unless (eval {
2349	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
2350		2748
2351	1;	2749	1;
…		…
2377		2775
2378	utf8::encode $text;	2776	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2778	}
2381		2779
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2780	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2781
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2782	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2783	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2784	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2785	the message unless the client supports the msg packet.
2388		2786
2389	=cut	2787	=cut
2390		2788
		2789	# non-persistent channels (usually the info channel)
		2790	our %CHANNEL = (
		2791	"c/identify" => {
		2792	id => "infobox",
		2793	title => "Identify",
		2794	reply => undef,
		2795	tooltip => "Items recently identified",
		2796	},
		2797	"c/examine" => {
		2798	id => "infobox",
		2799	title => "Examine",
		2800	reply => undef,
		2801	tooltip => "Signs and other items you examined",
		2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
		2845	);
		2846
2391	sub cf::client::send_msg {	2847	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	2848	my ($self, $channel, $msg, $color, @extra) = @_;
2393		2849
2394	$msg = $self->pl->expand_cfpod ($msg);	2850	$msg = $self->pl->expand_cfpod ($msg);
2395		2851
		2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2853
		2854	# check predefined channels, for the benefit of C
		2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel)
		2868	if $self->can_msg;
		2869	}
		2870
		2871	$channel = $channel->{id};
		2872	}
		2873
		2874	return unless @extra || length $msg;
		2875
2396	if ($self->can_msg) {	2876	if ($self->can_msg) {
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);	2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2398	} else {	2883	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408
2409	if ($color >= 0) {	2884	if ($color >= 0) {
		2885	# replace some tags by gcfclient-compatible ones
		2886	for ($msg) {
		2887	1 while
		2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2893	}
		2894
		2895	$color &= cf::NDI_COLOR_MASK;
		2896
		2897	utf8::encode $msg;
		2898
2410	if (0 && $msg =~ /\[/) {	2899	if (0 && $msg =~ /\[/) {
		2900	# COMMAND/INFO
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
2412	} else {	2902	} else {
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2414	$self->send_packet ("drawinfo $color $msg")	2904	$self->send_packet ("drawinfo $color $msg")
2415	}	2905	}
2416	}	2906	}
2417	}	2907	}
2418	}	2908	}
2419		2909
2420	=item $client->ext_event ($type, %msg)	2910	=item $client->ext_msg ($type, @msg)
2421		2911
2422	Sends an ext event to the client.	2912	Sends an ext event to the client.
2423		2913
2424	=cut	2914	=cut
2425		2915
2426	sub cf::client::ext_event($$%) {	2916	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	2917	my ($self, $type, @msg) = @_;
2428		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	2922	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2924	}
		2925	}
		2926
		2927	=item $client->ext_reply ($msgid, @msg)
		2928
		2929	Sends an ext reply to the client.
		2930
		2931	=cut
		2932
		2933	sub cf::client::ext_reply($$@) {
		2934	my ($self, $id, @msg) = @_;
		2935
		2936	if ($self->extcmd == 2) {
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2938	} elsif ($self->extcmd == 1) {
		2939	#TODO: version 1, remove
		2940	unshift @msg, msgtype => "reply", msgid => $id;
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2942	}
2431	}	2943	}
2432		2944
2433	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
2434		2946
2435	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
…		…
2458		2970
2459	1	2971	1
2460	}	2972	}
2461		2973
2462	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2463	on_reply => sub {	2980	on_reply => sub {
2464	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2465		2982
2466	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2467	# get handled first	2984	# get handled first
…		…
2482	}	2999	}
2483	},	3000	},
2484	on_exticmd => sub {	3001	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3002	my ($ns, $buf) = @_;
2486		3003
2487	my $msg = eval { from_json $buf };	3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3005
2489	if (ref $msg) {	3006	if (ref $msg) {
		3007	my ($type, $reply, @payload) =
		3008	"ARRAY" eq ref $msg
		3009	? @$msg
		3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3011
		3012	my @reply;
		3013
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3014	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3015	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3016	}
		3017
		3018	$ns->ext_reply ($reply, @reply)
		3019	if $reply;
		3020
2496	} else {	3021	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3023	}
2499		3024
2500	cf::override;	3025	cf::override;
…		…
2547	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2549		3074
2550	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2551		3076
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3077	$safe->permit_only (Opcode::opset qw(
		3078	:base_core :base_mem :base_orig :base_math
		3079	grepstart grepwhile mapstart mapwhile
		3080	sort time
		3081	));
2553		3082
2554	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2555		3084
2556	=pod	3085	=pod
2557		3086
2558	The following functions and methods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2559		3088
2560	cf::object contr pay_amount pay_player map	3089	cf::object
		3090	contr pay_amount pay_player map x y force_find force_add destroy
		3091	insert remove name archname title slaying race decrease split
		3092
2561	cf::object::player player	3093	cf::object::player
2562	cf::player peaceful	3094	player
2563	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2564		3101
2565	=cut	3102	=cut
2566		3103
2567	for (	3104	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3106	insert remove inv name archname title slaying race
		3107	decrease split destroy)],
2569	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2571	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2572	) {	3111	) {
2573	no strict 'refs';	3112	no strict 'refs';
…		…
2649	# the server's init and main functions	3188	# the server's init and main functions
2650		3189
2651	sub load_facedata($) {	3190	sub load_facedata($) {
2652	my ($path) = @_;	3191	my ($path) = @_;
2653		3192
		3193	# HACK to clear player env face cache, we need some signal framework
		3194	# for this (global event?)
		3195	%ext::player_env::MUSIC_FACE_CACHE = ();
		3196
		3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3198
2654	warn "loading facedata from $path\n";	3199	warn "loading facedata from $path\n";
2655		3200
2656	my $facedata;	3201	my $facedata;
2657	0 < aio_load $path, $facedata	3202	0 < aio_load $path, $facedata
2658	or die "$path: $!";	3203	or die "$path: $!";
…		…
2660	$facedata = Coro::Storable::thaw $facedata;	3205	$facedata = Coro::Storable::thaw $facedata;
2661		3206
2662	$facedata->{version} == 2	3207	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3209
		3210	# patch in the exptable
		3211	$facedata->{resource}{"res/exp_table"} = {
		3212	type => FT_RSRC,
		3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3214	};
		3215	cf::cede_to_tick;
		3216
2665	{	3217	{
2666	my $faces = $facedata->{faceinfo};	3218	my $faces = $facedata->{faceinfo};
2667		3219
2668	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3222
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2673	Coro::cede;	3227
		3228	cf::cede_to_tick;
2674	}	3229	}
2675		3230
2676	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2678	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2679	or next;	3235	or next;
		3236
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
		3238	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3240	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3242	}
2685	Coro::cede;	3243
		3244	cf::cede_to_tick;
2686	}	3245	}
2687	}	3246	}
2688		3247
2689	{	3248	{
2690	my $anims = $facedata->{animinfo};	3249	my $anims = $facedata->{animinfo};
2691		3250
2692	while (my ($anim, $info) = each %$anims) {	3251	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3253	cf::cede_to_tick;
2695	}	3254	}
2696		3255
2697	cf::anim::invalidate_all; # d'oh	3256	cf::anim::invalidate_all; # d'oh
2698	}	3257	}
2699		3258
		3259	{
		3260	# TODO: for gcfclient pleasure, we should give resources
		3261	# that gcfclient doesn't grok a >10000 face index.
		3262	my $res = $facedata->{resource};
		3263
		3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
		3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3267	my $data;
		3268
		3269	if ($info->{type} & 1) {
		3270	# prepend meta info
		3271
		3272	my $meta = $enc->encode ({
		3273	name => $name,
		3274	%{ $info->{meta} || {} },
		3275	});
		3276
		3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
		3284	} else {
		3285	$RESOURCE{$name} = $info;
		3286	}
		3287
		3288	cf::cede_to_tick;
		3289	}
		3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3293
2700	1	3294	1
2701	}	3295	}
2702		3296
		3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
		3316
		3317	register_exticmd fx_want => sub {
		3318	my ($ns, $want) = @_;
		3319
		3320	while (my ($k, $v) = each %$want) {
		3321	$ns->fx_want ($k, $v);
		3322	}
		3323	};
		3324
		3325	sub load_resource_file($) {
		3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
		3334
2703	sub reload_regions {	3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
2704	load_resource_file "$MAPDIR/regions"	3340	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3341	or die "unable to load regions file\n";
		3342
		3343	for (cf::region::list) {
		3344	$_->{match} = qr/$_->{match}/
		3345	if exists $_->{match};
		3346	}
2706	}	3347	}
2707		3348
2708	sub reload_facedata {	3349	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3350	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3351	or die "unable to load facedata\n";
…		…
2721	}	3362	}
2722		3363
2723	sub reload_resources {	3364	sub reload_resources {
2724	warn "reloading resource files...\n";	3365	warn "reloading resource files...\n";
2725		3366
		3367	reload_facedata;
		3368	reload_archetypes;
2726	reload_regions;	3369	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3370	reload_treasures;
2731		3371
2732	warn "finished reloading resource files\n";	3372	warn "finished reloading resource files\n";
2733	}	3373	}
2734		3374
2735	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
2736	reload_resources;	3378	reload_resources;
2737	}	3379	}
2738		3380
2739	sub cfg_load {	3381	sub reload_config {
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2741	or return;	3383	or return;
2742		3384
2743	local $/;	3385	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2745		3387
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2747		3389
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2760	sub main {	3402	sub main {
2761	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3406	(async {
2765	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2767	};	3410	};
2768		3411
2769	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2770	db_init;	3415	db_init;
2771	load_extensions;	3416	load_extensions;
2772		3417
2773	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
2774	Event::loop;	3422	EV::loop;
2775	}	3423	}
2776		3424
2777	#############################################################################	3425	#############################################################################
2778	# initialisation and cleanup	3426	# initialisation and cleanup
2779		3427
2780	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2781	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2790	},
2791	);	3434	};
2792	}	3435	}
2793	}	3436	}
2794		3437
2795	sub write_runtime {	3438	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3439	my $runtime = "$LOCALDIR/runtime";
2797		3440
2798	# first touch the runtime file to show we are still running:	3441	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3442	# the fsync below can take a very very long time.
2800		3443
…		…
2826	and return;	3469	and return;
2827		3470
2828	warn "runtime file written.\n";	3471	warn "runtime file written.\n";
2829		3472
2830	1	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
2831	}	3517	}
2832		3518
2833	sub emergency_save() {	3519	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2835		3521
…		…
2841	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2843	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3533	$pl->save;
2847	}	3534	}
2848	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2849		3536
2850	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2856	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2857		3544
2858	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
2861	};	3552	};
2862		3553
2863	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2864	}	3555	}
2865		3556
…		…
2880	warn "reloading...";	3571	warn "reloading...";
2881		3572
2882	warn "entering sync_job";	3573	warn "entering sync_job";
2883		3574
2884	cf::sync_job {	3575	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2886	cf::emergency_save;	3577	cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2888		3579
2889	warn "syncing database to disk";	3580	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2891		3582
2892	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898		3584
2899	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2900	for (;;) {	3586	for (;;) {
2901	BDB::flush;	3587	BDB::flush;
2902	IO::AIO::flush;	3588	IO::AIO::flush;
2903	Coro::cede;	3589	Coro::cede_notself;
2904	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";	3591	warn "iterate...";
2906	}	3592	}
2907		3593
2908	++$RELOAD;	3594	++$RELOAD;
…		…
2967	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2968	require cf;	3654	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2970		3656
2971	warn "loading config and database again";	3657	warn "loading config and database again";
2972	cf::cfg_load;	3658	cf::reload_config;
2973		3659
2974	warn "loading extensions";	3660	warn "loading extensions";
2975	cf::load_extensions;	3661	cf::load_extensions;
2976		3662
2977	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
…		…
2984	warn "leaving sync_job";	3670	warn "leaving sync_job";
2985		3671
2986	1	3672	1
2987	} or do {	3673	} or do {
2988	warn $@;	3674	warn $@;
2989	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2990	exit 1;
2991	};	3676	};
2992		3677
2993	warn "reloaded";	3678	warn "reloaded";
2994	};	3679	};
2995		3680
…		…
2997		3682
2998	sub reload_perl() {	3683	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	3684	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	3685	# coro crashes during coro_state_free->destroy here.
3001		3686
3002	$RELOAD_WATCHER ||= Event->timer (	3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3003	reentrant => 0,
3004	after => 0,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	do_reload_perl;	3688	do_reload_perl;
3008	undef $RELOAD_WATCHER;	3689	undef $RELOAD_WATCHER;
3009	},
3010	);	3690	};
3011	}	3691	}
3012		3692
3013	register_command "reload" => sub {	3693	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
3015		3695
3016	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
		3698	async {
		3699	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	3700	reload_perl;
		3701	};
3019	}	3702	}
3020	};	3703	};
3021		3704
3022	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
3023		3706
…		…
3025		3708
3026	our @WAIT_FOR_TICK;	3709	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	3710	our @WAIT_FOR_TICK_BEGIN;
3028		3711
3029	sub wait_for_tick {	3712	sub wait_for_tick {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
3032		3714
3033	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	3716	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	3717	$signal->wait;
3036	}	3718	}
3037		3719
3038	sub wait_for_tick_begin {	3720	sub wait_for_tick_begin {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3721	return if tick_inhibit || $Coro::current == $Coro::main;
3041		3722
3042	my $signal = new Coro::Signal;	3723	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	3724	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	3725	$signal->wait;
3045	}	3726	}
3046		3727
3047	my $min = 1e6;#d#	3728	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
3059	return;	3732	return;
3060	}	3733	}
3061		3734
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
3065		3736
3066	0 && sync_job {#d#	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3067	for(1..10) {	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3068	my $t = Event::time;	3739	Coro::async_pool {
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3740	$Coro::current->{desc} = "runtime saver";
3070	or die;	3741	write_runtime_sync
3071		3742	or warn "ERROR: unable to write runtime file: $!";
3072	$map->width (50);
3073	$map->height (50);
3074	$map->alloc;
3075	$map->_load_objects ("/tmp/x.map", 1);
3076	my $t = Event::time - $t;
3077
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	3743	};
		3744	}
3088		3745
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	3747	$sig->send;
3105	}	3748	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	3749	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	3750	$sig->send;
3108	}	3751	}
3109		3752
3110	$NOW = Event::time;	3753	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		3755
3121	_post_tick;	3756	if (0) {
3122		3757	if ($NEXT_TICK) {
3123		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
3124	},	3762	}
3125	);	3763	}
3126		3764
3127	{	3765	{
3128	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	3767
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
3138		3769	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		3771
3154	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		3778
3157	cf::sync_job {	3779	cf::sync_job {
3158	eval {	3780	eval {
3159	BDB::db_env_open	3781	BDB::db_env_open
3160	$DB_ENV,	3782	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	3786	0666;
3165		3787
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	3789	};
3171		3790
3172	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	3792	};
3174	}	3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
3175	}	3804	}
3176		3805
3177	{	3806	{
		3807	# configure IO::AIO
		3808
3178	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	3812	}
3191		3813
3192	my $_log_backtrace;	3814	my $_log_backtrace;
3193		3815
3194	sub _log_backtrace {	3816	sub _log_backtrace {
…		…
3198		3820
3199	# limit the # of concurrent backtraces	3821	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	3822	if ($_log_backtrace < 2) {
3201	++$_log_backtrace;	3823	++$_log_backtrace;
3202	async {	3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
3203	my @bt = fork_call {	3827	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	3828	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	3831	or die "addr2line: $!";

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