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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.304 by root, Wed Jul 11 16:55:18 2007 UTC vs.
Revision 1.425 by root, Mon Apr 21 06:35:26 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
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	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
40	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
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$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
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	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
169	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
170	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.
171		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
172	=back	200	=back
173		201
174	=cut	202	=cut
175		203
176	BEGIN {	204	BEGIN {
…		…
180	$msg .= "\n"	208	$msg .= "\n"
181	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
182		210
183	$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;
184		212
185	utf8::encode $msg;
186	LOG llevError, $msg;	213	LOG llevError, $msg;
187	};	214	};
188	}	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	$SIG{__DIE__} = sub { }; #d#?
189		231
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	)) {	248	)) {
207	no strict 'refs';	249	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	251	}
210		252
211	$Event::DIED = sub {	253	$EV::DIED = sub {
212	warn "error in event callback: @_";	254	warn "error in event callback: @_";
213	};	255	};
214		256
215	#############################################################################	257	#############################################################################
216		258
…		…
239	$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;
240	$d	282	$d
241	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
242	}	284	}
243		285
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->utf8->max_size (1e6); # accept ~1mb max	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
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		540
424	sub fork_call(&@) {	541	sub fork_call(&@) {
425	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
426		543
427	# 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,
428	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		547
432	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	549	reset_signals;
446	local $SIG{__WARN__};	550	&$cb
447	local $SIG{__DIE__};	551	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		552
454	eval {	553	wantarray ? @res : $res[-1]
455	close $fh1;	554	}
456		555
457	my @res = eval { $cb->(@args) };	556	=item $coin = coin_from_name $name
458		557
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	558	=cut
460	close $fh2;
461	};
462		559
463	warn $@ if $@;	560	our %coin_alias = (
464	_exit 0;	561	"silver" => "silvercoin",
465	}	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
466	}	581	}
467		582
468	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
469		584
470	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
473		588
474	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
475	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).
476		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
477	=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	}
478		615
479	our $DB;	616	our $DB;
480		617
481	sub db_init {	618	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	619	cf::sync_job {
486	eval {	620	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	621	};
496	}	622	}
497		623
498	sub db_get($$) {	624	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
500		626
…		…
550	if (1) {	676	if (1) {
551	$md5 =	677	$md5 =
552	join "\x00",	678	join "\x00",
553	$processversion,	679	$processversion,
554	map {	680	map {
555	Coro::cede;	681	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	683	} 0.. $#$src;
558		684
559		685
560	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
604	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")
605	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
606		732
607	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>
608	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
609	Crossfire TRT).	735	Deliantra).
610		736
611	=over 4	737	=over 4
612		738
613	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
614		740
…		…
866	";	992	";
867	die if $@;	993	die if $@;
868	}	994	}
869		995
870	our $override;	996	our $override;
871	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?
872		998
873	sub override {	999	sub override {
874	$override = 1;	1000	$override = 1;
875	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
876	}	1002	}
877		1003
878	sub do_invoke {	1004	sub do_invoke {
879	my $event = shift;	1005	my $event = shift;
880	my $callbacks = shift;	1006	my $callbacks = shift;
881		1007
882	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
883		1009
884	local $override;	1010	local $override;
885		1011
886	for (@$callbacks) {	1012	for (@$callbacks) {
887	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
896	}	1022	}
897		1023
898	0	1024	0
899	}	1025	}
900		1026
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1028
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1030
905	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
906		1032
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1036
911	=back	1037	=back
912		1038
913	=cut	1039	=cut
914		1040
915	#############################################################################	1041	#############################################################################
916	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
917		1085
918	sub reattach {	1086	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1088	my ($obj) = @_;
921		1089
…		…
942	cf::attachable->attach (	1110	cf::attachable->attach (
943	prio => -1000000,	1111	prio => -1000000,
944	on_instantiate => sub {	1112	on_instantiate => sub {
945	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
946		1114
947	$data = from_json $data;	1115	$data = decode_json $data;
948		1116
949	for (@$data) {	1117	for (@$data) {
950	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
951		1119
952	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1136	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
970		1138
971	sync_job {	1139	sync_job {
972	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
975		1144
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1149	close $fh;
981		1150
982	if (@$objs) {	1151	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1157	close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
990	}	1159	}
…		…
998	}	1167	}
999	} else {	1168	} else {
1000	aio_unlink $filename;	1169	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1002	}	1171	}
1003	}	1172	};
1004	}	1173	}
1005		1174
1006	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1008		1177
…		…
1020	or return;	1189	or return;
1021		1190
1022	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1193	or return;
		1194
1025	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1026	}	1197	}
1027		1198
		1199	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1030	return ($data, $av);	1203	($data, $av)
1031	}	1204	}
1032		1205
1033	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1034		1207
1035	=over 4	1208	=over 4
…		…
1108	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
1109		1282
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1284
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1118	} else {	1300	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1302	}
1121		1303
1122	cf::override;	1304	cf::override;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1177		1359
1178	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1361	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1363	}
1183		1364
1184	warn $msg;	1365	warn $msg;
1185	}	1366	}
1186		1367
…		…
1211	use Coro::AIO;	1392	use Coro::AIO;
1212		1393
1213	=head3 cf::player	1394	=head3 cf::player
1214		1395
1215	=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	}
1216		1411
1217	=item cf::player::find $login	1412	=item cf::player::find $login
1218		1413
1219	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1220		1415
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1455
1261	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1264	}	1464	}
1265	}	1465	}
1266	}	1466	}
1267		1467
…		…
1276	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1277		1477
1278	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1280		1480
		1481	cf::get_slot 0.01;
		1482
1281	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1282	Coro::cede;	1484	cf::cede_to_tick;
1283	}	1485	}
1284		1486
1285	sub new($) {	1487	sub new($) {
1286	my ($login) = @_;	1488	my ($login) = @_;
1287		1489
…		…
1291	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1292		1494
1293	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1294		1496
1295	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1296	}	1508	}
1297		1509
1298	=item $pl->quit_character	1510	=item $pl->quit_character
1299		1511
1300	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1355	or return [];	1567	or return [];
1356		1568
1357	my @logins;	1569	my @logins;
1358		1570
1359	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1363		1580
1364	utf8::decode $login;	1581	utf8::decode $login;
1365	push @logins, $login;	1582	push @logins, $login;
1366	}	1583	}
1367		1584
…		…
1400		1617
1401	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1402		1619
1403	=cut	1620	=cut
1404		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
1405	sub expand_cfpod {	1633	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1407		1635
1408	# escape & and <	1636	my $xml;
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411		1637
1412	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1413		1641
1414	1 while	1642	$group =~ s/&/&amp;/g;
1415	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1416	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1419	# replace G<male|female> tags	1647	([BCGHITU])
1420	|| s{G<([^>|]*)\|([^>]*)>}{	1648	<
1421	$self->gender ? $2 : $1	1649	(?:
1422	}ge	1650	([^<>]*) (?{ $group = $^N })
1423	# replace H<hint text>	1651	| < $interior >
1424	|| s{H<([^\>]*)>}	1652	)
		1653	>
		1654	%gcsx
1425	{	1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")	1675	"")
1429	[$self->{hintmode}]	1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
1430	}ge;	1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
1431		1687
		1688	for ($xml) {
1432	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1434		1691
1435	# compress some whitespace	1692	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends	1693	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines	1694	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines	1695	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines	1696	s/\n+$//; # ending lines
		1697	}
1440		1698
1441	$_	1699	$xml
1442	}	1700	}
		1701
		1702	no re 'eval';
1443		1703
1444	sub hintmode {	1704	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;	1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}	1706	$_[0]{hintmode}
1447	}	1707	}
1448		1708
1449	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1450		1710
1451	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1452		1712
1453	=cut	1713	=cut
1454		1714
1455	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1457		1717
1458	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1719	}
1461		1720
1462	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1463		1722
1464	Sends an ext event to the client.	1723	Sends an ext event to the client.
1465		1724
1466	=cut	1725	=cut
1467		1726
1468	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1470		1729
1471	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1472	}	1731	}
1473		1732
1474	=head3 cf::region	1733	=head3 cf::region
1475		1734
1476	=over 4	1735	=over 4
…		…
1520	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1522		1781
1523	sub generate_random_map {	1782	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1525	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1788	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1620	return $self;	1882	return $self;
1621	}	1883	}
1622	}	1884	}
1623		1885
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1887	()
1626	}	1888	}
1627		1889
1628	sub init {	1890	sub init {
1629	my ($self) = @_;	1891	my ($self) = @_;
…		…
1651		1913
1652	# the temporary/swap location	1914	# the temporary/swap location
1653	sub save_path {	1915	sub save_path {
1654	my ($self) = @_;	1916	my ($self) = @_;
1655		1917
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1658	}	1920	}
1659		1921
1660	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1661	sub uniq_path {	1923	sub uniq_path {
1662	my ($self) = @_;	1924	my ($self) = @_;
1663		1925
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1666	}	1928	}
1667		1929
1668	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1669	# all maps in C++...	1931	# all maps in C++...
…		…
1692		1954
1693	sub load_header_from($) {	1955	sub load_header_from($) {
1694	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1695		1957
1696	utf8::encode $path;	1958	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1702		1967
1703	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1704		1969
1705	1	1970	1
1706	}	1971	}
…		…
1760	sub find {	2025	sub find {
1761	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1762		2027
1763	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1764		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1766		2032
1767	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1769	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1770	or return;	2038	or return;
1771		2039
1772	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1773		2041
…		…
1775	or return;	2043	or return;
1776		2044
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1780	$map->reset;	2050	$map->reset;
1781	undef $guard;
1782	return find $path;	2051	return find $path;
1783	}	2052	}
1784		2053
1785	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1786	}	2055	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1796		2065
1797	my $path = $self->{path};	2066	my $path = $self->{path};
1798		2067
1799	{	2068	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1801		2070
		2071	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2073
1804	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1805		2075
1806	$self->alloc;	2076	$self->alloc;
1807		2077
1808	$self->pre_load;	2078	$self->pre_load;
1809	Coro::cede;	2079	cf::cede_to_tick;
1810		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1812	or return;	2084	or return;
1813		2085
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1815	if delete $self->{load_original};	2087	if delete $self->{load_original};
1816		2088
1817	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2090	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2093	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1822	}	2097	}
1823	}	2098	}
1824		2099
1825	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1826	# now do the right thing for maps	2103	# now do the right thing for maps
1827	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2106	unless $self->difficulty;
1830	Coro::cede;	2107	cf::cede_to_tick;
1831		2108
1832	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2110	$self->decay_objects;
1834	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1835	$self->update_buttons;	2112	$self->update_buttons;
1836	Coro::cede;	2113	cf::cede_to_tick;
1837	$self->set_darkness_map;	2114	$self->set_darkness_map;
1838	Coro::cede;	2115	cf::cede_to_tick;
1839	$self->activate;	2116	$self->activate;
1840	}	2117	}
1841		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2123	}
1844		2124
1845	$self->post_load;	2125	$self->post_load;
1846	}	2126	}
1847		2127
…		…
1856		2136
1857	$self	2137	$self
1858	}	2138	}
1859		2139
1860	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2141	sub load_neighbours {
1862	my ($map) = @_;	2142	my ($map) = @_;
1863		2143
1864	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1865		2145
1866	for (0 .. 3) {	2146	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1868	or next;	2148	or next;
1869	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1870	or next;	2150	or next;
1871	$neigh->load;	2151	$neigh->load;
1872		2152
		2153	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2156	}
1876		2157
1877	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1879	or next;	2161	or next;
1880	$neigh->load;	2162	$neigh->load;
1881	}	2163	}
1882	}	2164	}
1883		2165
…		…
1888	}	2170	}
1889		2171
1890	sub do_load_sync {	2172	sub do_load_sync {
1891	my ($map) = @_;	2173	my ($map) = @_;
1892		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1893	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1894	}	2179	}
1895		2180
1896	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1898		2183
1899	sub find_async {	2184	sub find_async {
1900	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1901		2186
1902	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1903		2188
1904	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2191	}
1907		2192
1908	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1909	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1910	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2200	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2201	$map->load if $v;
		2202	}
1915		2203
1916	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1917	}	2205	}
1918	}	2206	}
1919	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1920	};	2208	};
1921	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2212	}
1925		2213
1926	sub save {	2214	sub save {
1927	my ($self) = @_;	2215	my ($self) = @_;
1928		2216
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2218
1931	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1932		2220
1933	return unless $self->dirty;	2221	return unless $self->dirty;
1934		2222
…		…
1940	return if $self->{deny_save};	2228	return if $self->{deny_save};
1941		2229
1942	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1943		2231
1944	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1946	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1947		2238
1948	if ($uniq) {	2239	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2242	} else {
…		…
1957	my ($self) = @_;	2248	my ($self) = @_;
1958		2249
1959	# save first because save cedes	2250	# save first because save cedes
1960	$self->save;	2251	$self->save;
1961		2252
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2254
1964	return if $self->players;	2255	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2257	return if $self->{deny_save};
1967		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2263	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2264	}
1971		2265
1972	sub reset_at {	2266	sub reset_at {
1973	my ($self) = @_;	2267	my ($self) = @_;
1974		2268
…		…
2006	if $uniq;	2300	if $uniq;
2007	}	2301	}
2008		2302
2009	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
2010		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2307	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2308
2015	$self->unlink_save;	2309	$self->unlink_save;
2016	$self->destroy;	2310	$self->destroy;
2017	}	2311	}
2018		2312
2019	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
2020		2314
2021	sub nuke {	2315	sub nuke {
2022	my ($self) = @_;	2316	my ($self) = @_;
2023		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
2024	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
2025		2322
2026	$self->unlink_save;	2323	$self->unlink_save;
2027		2324
2028	bless $self, "cf::map";	2325	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2330
2034	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
2035		2333
2036	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
2037	}	2335	}
2038		2336
2039	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
2081		2379
2082	sub unique_maps() {	2380	sub unique_maps() {
2083	[	2381	[
2084	map {	2382	map {
2085	utf8::decode $_;	2383	utf8::decode $_;
2086	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2087	? normalise $_	2387	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2389	]
2091	}	2390	}
2092		2391
2093	package cf;
2094
2095	=back	2392	=back
2096		2393
2097	=head3 cf::object	2394	=head3 cf::object
2098		2395
2099	=cut	2396	=cut
…		…
2102		2399
2103	=over 4	2400	=over 4
2104		2401
2105	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2106		2403
2107	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
2108		2406
2109	=cut	2407	=cut
2110		2408
2111	sub inv_recursive_;	2409	sub inv_recursive_;
2112	sub inv_recursive_ {	2410	sub inv_recursive_ {
2113	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2114	}	2412	}
2115		2413
2116	sub inv_recursive {	2414	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
2118	}	2444	}
2119		2445
2120	package cf;	2446	package cf;
2121		2447
2122	=back	2448	=back
…		…
2146		2472
2147	} else {	2473	} else {
2148	my $pl = $self->contr;	2474	my $pl = $self->contr;
2149		2475
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2477	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2479
2159	} else {	2480	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
2162	}	2483	}
2163	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
2164	}	2495	}
2165		2496
2166	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
2167		2498
2168	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
2250		2581
2251	$map->load;	2582	$map->load;
2252	$map->load_diag;	2583	$map->load_neighbours;
2253		2584
2254	return unless $self->contr->active;	2585	return unless $self->contr->active;
2255	$self->activate_recursive;	2586	$self->activate_recursive;
2256		2587
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
2259	}	2590	}
2260		2591
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2593
2263	Moves the player to the given map-path and coordinates by first freezing	2594	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2596	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2597	the new (success) or old (failed) map position. In either case, $done will
		2598	be called at the end of this process.
2267		2599
2268	=cut	2600	=cut
2269		2601
2270	our $GOTOGEN;	2602	our $GOTOGEN;
2271		2603
2272	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2606
2275	# do generation counting so two concurrent goto's will be executed in-order	2607	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2609
2278	$self->enter_link;	2610	$self->enter_link;
2279		2611
2280	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
2281	my $map = eval {	2634	my $map = eval {
2282	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2283		2636
2284	if ($map) {	2637	if ($map) {
2285	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2287	} else {	2640	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2642	}
2290		2643
2291	$map	2644	$map
2292	};	2645	};
2293		2646
…		…
2298		2651
2299	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
2302	}	2655	}
		2656
		2657	$done->() if $done;
2303	})->prio (1);	2658	})->prio (1);
2304	}	2659	}
2305		2660
2306	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2307		2662
…		…
2344	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2345	}	2700	}
2346		2701
2347	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2348		2703
2349	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2352		2707
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2381	# if exit is damned, update players death & WoR home-position	2736	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)	2737	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);	2738	if $exit->flag (FLAG_DAMNED);
2384		2739
2385	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2386	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2387	unless (eval {	2744	unless (eval {
2388	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2389		2746
2390	1;	2747	1;
…		…
2416		2773
2417	utf8::encode $text;	2774	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2776	}
2420		2777
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2779
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2780	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2781	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2782	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2427		2784
2428	=cut	2785	=cut
2429		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
2430	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2841
2433	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2434		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
2435	return unless @extra || length $msg;	2866	return unless @extra || length $msg;
2436		2867
2437	if ($self->can_msg) {	2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2439	} else {	2875	} else {
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449
2450	if ($color >= 0) {	2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
2451	if (0 && $msg =~ /\[/) {	2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2453	} else {	2894	} else {
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")	2896	$self->send_packet ("drawinfo $color $msg")
2456	}	2897	}
2457	}	2898	}
2458	}	2899	}
2459	}	2900	}
2460		2901
2461	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2462		2903
2463	Sends an ext event to the client.	2904	Sends an ext event to the client.
2464		2905
2465	=cut	2906	=cut
2466		2907
2467	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2469		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2472	}	2935	}
2473		2936
2474	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2475		2938
2476	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	2994	my ($ns, $buf) = @_;
2532		2995
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		2997
2535	if (ref $msg) {	2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3006	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3007	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
2542	} else {	3013	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3015	}
2545		3016
2546	cf::override;	3017	cf::override;
…		…
2593	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2595		3066
2596	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2597		3068
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2599		3074
2600	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2601		3076
2602	=pod	3077	=pod
2603		3078
2604	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2605		3080
2606	cf::object	3081	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3082	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3083	insert remove name archname title slaying race decrease split
2609		3084
2610	cf::object::player	3085	cf::object::player
2611	player	3086	player
2612		3087
2613	cf::player	3088	cf::player
…		…
2618		3093
2619	=cut	3094	=cut
2620		3095
2621	for (	3096	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3098	insert remove inv name archname title slaying race
		3099	decrease split destroy)],
2624	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2626	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2627	) {	3103	) {
2628	no strict 'refs';	3104	no strict 'refs';
…		…
2704	# the server's init and main functions	3180	# the server's init and main functions
2705		3181
2706	sub load_facedata($) {	3182	sub load_facedata($) {
2707	my ($path) = @_;	3183	my ($path) = @_;
2708		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
2709	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2710		3192
2711	my $facedata;	3193	my $facedata;
2712	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3195	or die "$path: $!";
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2716		3198
2717	$facedata->{version} == 2	3199	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2720	{	3209	{
2721	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2722		3211
2723	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2725	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2729		3219
2730	cf::cede_to_tick;	3220	cf::cede_to_tick;
2731	}	3221	}
2732		3222
2733	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2735	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2736	or next;	3227	or next;
		3228
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3232	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2758		3250
2759	{	3251	{
2760	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3255
2765	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3257	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2775	cf::face::set_type $idx, 1;	3275	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
2777		3279
2778	cf::cede_to_tick;	3280	cf::cede_to_tick;
2779	}	3281	}
2780	}	3282	}
2781		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2782	1	3286	1
2783	}	3287	}
2784		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2785	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2786	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
2788		3334
2789	for (cf::region::list) {	3335	for (cf::region::list) {
2790	$_->{match} = qr/$_->{match}/	3336	$_->{match} = qr/$_->{match}/
…		…
2798	}	3344	}
2799		3345
2800	sub reload_archetypes {	3346	sub reload_archetypes {
2801	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
2803	#d# NEED to laod twice to resolve forward references
2804	# this really needs to be done in an extra post-pass
2805	# (which needs to be synchronous, so solve it differently)
2806	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";
2808	}	3349	}
2809		3350
2810	sub reload_treasures {	3351	sub reload_treasures {
2811	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
2812	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
2813	}	3354	}
2814		3355
2815	sub reload_resources {	3356	sub reload_resources {
2816	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2817		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2818	reload_regions;	3361	reload_regions;
2819	reload_facedata;
2820	#reload_archetypes;#d#
2821	reload_archetypes;
2822	reload_treasures;	3362	reload_treasures;
2823		3363
2824	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2825	}	3365	}
2826		3366
2827	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2828	reload_resources;	3370	reload_resources;
2829	}	3371	}
2830		3372
2831	sub cfg_load {	3373	sub reload_config {
2832	open my $fh, "<:utf8", "$CONFDIR/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2833	or return;	3375	or return;
2834		3376
2835	local $/;	3377	local $/;
2836	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2837		3379
2838	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2839		3381
2840	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2841	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2852	sub main {	3394	sub main {
2853	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2854	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2855	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2856	(async {	3398	(async {
2857	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2858	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2859	};	3402	};
2860		3403
2861	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2862	db_init;	3407	db_init;
2863	load_extensions;	3408	load_extensions;
2864		3409
2865	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2866	Event::loop;	3414	EV::loop;
2867	}	3415	}
2868		3416
2869	#############################################################################	3417	#############################################################################
2870	# initialisation and cleanup	3418	# initialisation and cleanup
2871		3419
2872	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2873	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2874	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2875	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2876	reentrant => 0,
2877	data => WF_AUTOCANCEL,
2878	signal => $signal,
2879	prio => 0,
2880	cb => sub {
2881	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2882	},
2883	);	3426	};
2884	}	3427	}
2885	}	3428	}
2886		3429
2887	sub write_runtime {	3430	sub write_runtime_sync {
2888	my $runtime = "$LOCALDIR/runtime";	3431	my $runtime = "$LOCALDIR/runtime";
2889		3432
2890	# first touch the runtime file to show we are still running:	3433	# first touch the runtime file to show we are still running:
2891	# the fsync below can take a very very long time.	3434	# the fsync below can take a very very long time.
2892		3435
…		…
2918	and return;	3461	and return;
2919		3462
2920	warn "runtime file written.\n";	3463	warn "runtime file written.\n";
2921		3464
2922	1	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2923	}	3509	}
2924		3510
2925	sub emergency_save() {	3511	sub emergency_save() {
2926	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2927		3513
…		…
2933	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2934	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2935	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2936	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2937	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2938	$pl->save;	3525	$pl->save;
2939	}	3526	}
2940	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2941		3528
2942	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2948	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2949		3536
2950	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2951	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2952	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2953	};	3544	};
2954		3545
2955	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2956	}	3547	}
2957		3548
…		…
2972	warn "reloading...";	3563	warn "reloading...";
2973		3564
2974	warn "entering sync_job";	3565	warn "entering sync_job";
2975		3566
2976	cf::sync_job {	3567	cf::sync_job {
2977	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
2978	cf::emergency_save;	3569	cf::emergency_save;
2979	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
2980		3571
2981	warn "syncing database to disk";	3572	warn "syncing database to disk";
2982	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2983		3574
2984	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2985
2986	warn "cancelling all WF_AUTOCANCEL watchers";
2987	for (Event::all_watchers) {
2988	$_->cancel if $_->data & WF_AUTOCANCEL;
2989	}
2990		3576
2991	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2992	for (;;) {	3578	for (;;) {
2993	BDB::flush;	3579	BDB::flush;
2994	IO::AIO::flush;	3580	IO::AIO::flush;
2995	Coro::cede;	3581	Coro::cede_notself;
2996	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2997	warn "iterate...";	3583	warn "iterate...";
2998	}	3584	}
2999		3585
3000	++$RELOAD;	3586	++$RELOAD;
…		…
3059	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
3060	require cf;	3646	require cf;
3061	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3062		3648
3063	warn "loading config and database again";	3649	warn "loading config and database again";
3064	cf::cfg_load;	3650	cf::reload_config;
3065		3651
3066	warn "loading extensions";	3652	warn "loading extensions";
3067	cf::load_extensions;	3653	cf::load_extensions;
3068		3654
3069	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
3076	warn "leaving sync_job";	3662	warn "leaving sync_job";
3077		3663
3078	1	3664	1
3079	} or do {	3665	} or do {
3080	warn $@;	3666	warn $@;
3081	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
3082	exit 1;
3083	};	3668	};
3084		3669
3085	warn "reloaded";	3670	warn "reloaded";
3086	};	3671	};
3087		3672
…		…
3089		3674
3090	sub reload_perl() {	3675	sub reload_perl() {
3091	# doing reload synchronously and two reloads happen back-to-back,	3676	# doing reload synchronously and two reloads happen back-to-back,
3092	# coro crashes during coro_state_free->destroy here.	3677	# coro crashes during coro_state_free->destroy here.
3093		3678
3094	$RELOAD_WATCHER ||= Event->timer (	3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3095	reentrant => 0,
3096	after => 0,
3097	data => WF_AUTOCANCEL,
3098	cb => sub {
3099	do_reload_perl;	3680	do_reload_perl;
3100	undef $RELOAD_WATCHER;	3681	undef $RELOAD_WATCHER;
3101	},
3102	);	3682	};
3103	}	3683	}
3104		3684
3105	register_command "reload" => sub {	3685	register_command "reload" => sub {
3106	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
3107		3687
3108	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
3109	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
		3690	async {
		3691	$Coro::current->{desc} = "perl_reload";
3110	async { reload_perl };	3692	reload_perl;
		3693	};
3111	}	3694	}
3112	};	3695	};
3113		3696
3114	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
3115		3698
…		…
3117		3700
3118	our @WAIT_FOR_TICK;	3701	our @WAIT_FOR_TICK;
3119	our @WAIT_FOR_TICK_BEGIN;	3702	our @WAIT_FOR_TICK_BEGIN;
3120		3703
3121	sub wait_for_tick {	3704	sub wait_for_tick {
3122	return unless $TICK_WATCHER->is_active;
3123	return if $Coro::current == $Coro::main;	3705	return if tick_inhibit || $Coro::current == $Coro::main;
3124		3706
3125	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3126	push @WAIT_FOR_TICK, $signal;	3708	push @WAIT_FOR_TICK, $signal;
3127	$signal->wait;	3709	$signal->wait;
3128	}	3710	}
3129		3711
3130	sub wait_for_tick_begin {	3712	sub wait_for_tick_begin {
3131	return unless $TICK_WATCHER->is_active;
3132	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
3133		3714
3134	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
3135	push @WAIT_FOR_TICK_BEGIN, $signal;	3716	push @WAIT_FOR_TICK_BEGIN, $signal;
3136	$signal->wait;	3717	$signal->wait;
3137	}	3718	}
3138		3719
3139	my $min = 1e6;#d#	3720	sub tick {
3140	my $avg = 10;
3141	$TICK_WATCHER = Event->timer (
3142	reentrant => 0,
3143	parked => 1,
3144	prio => 0,
3145	at => $NEXT_TICK || $TICK,
3146	data => WF_AUTOCANCEL,
3147	cb => sub {
3148	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
3149	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3150	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
3151	return;	3724	return;
3152	}	3725	}
3153		3726
3154	$NOW = $tick_start = Event::time;
3155
3156	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
3157		3728
3158	0 && sync_job {#d#	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3159	for(1..10) {	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3160	my $t = Event::time;	3731	Coro::async_pool {
3161	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3732	$Coro::current->{desc} = "runtime saver";
3162	or die;	3733	write_runtime_sync
3163		3734	or warn "ERROR: unable to write runtime file: $!";
3164	$map->width (50);
3165	$map->height (50);
3166	$map->alloc;
3167	$map->_load_objects ("/tmp/x.map", 1);
3168	my $t = Event::time - $t;
3169
3170	#next unless $t < 0.0013;#d#
3171	if ($t < $min) {
3172	$min = $t;
3173	}
3174	$avg = $avg * 0.99 + $t * 0.01;
3175	}
3176	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3177	exit 0;
3178	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3179	};	3735	};
		3736	}
3180		3737
3181	$RUNTIME += $TICK;
3182	$NEXT_TICK += $TICK;
3183
3184	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3185	$NEXT_RUNTIME_WRITE = $NOW + 10;
3186	Coro::async_pool {
3187	write_runtime
3188	or warn "ERROR: unable to write runtime file: $!";
3189	};
3190	}
3191
3192	# my $AFTER = Event::time;
3193	# warn $AFTER - $NOW;#d#
3194
3195	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3196	$sig->send;	3739	$sig->send;
3197	}	3740	}
3198	while (my $sig = shift @WAIT_FOR_TICK) {	3741	while (my $sig = shift @WAIT_FOR_TICK) {
3199	$sig->send;	3742	$sig->send;
3200	}	3743	}
3201		3744
3202	$NOW = Event::time;	3745	$LOAD = ($NOW - $TICK_START) / $TICK;
3203
3204	# if we are delayed by four ticks or more, skip them all
3205	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3206
3207	$TICK_WATCHER->at ($NEXT_TICK);
3208	$TICK_WATCHER->start;
3209
3210	$LOAD = ($NOW - $tick_start) / $TICK;
3211	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3212		3747
3213	_post_tick;	3748	if (0) {
3214		3749	if ($NEXT_TICK) {
3215		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
3216	},	3754	}
3217	);	3755	}
3218		3756
3219	{	3757	{
3220	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
3221	$BDB_POLL_WATCHER = Event->io (	3759
3222	reentrant => 0,
3223	fd => BDB::poll_fileno,
3224	poll => 'r',
3225	prio => 0,
3226	data => WF_AUTOCANCEL,
3227	cb => \&BDB::poll_cb,
3228	);
3229	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
3230		3761	BDB::max_poll_reqs $TICK * 0.1;
3231	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
3232	my $status;
3233	my $current = $Coro::current;
3234	(
3235	sub {
3236	$status = $!;
3237	$current->ready; undef $current;
3238	},
3239	sub {
3240	Coro::schedule while defined $current;
3241	$! = $status;
3242	},
3243	)
3244	};
3245		3763
3246	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
3247	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3248		3770
3249	cf::sync_job {	3771	cf::sync_job {
3250	eval {	3772	eval {
3251	BDB::db_env_open	3773	BDB::db_env_open
3252	$DB_ENV,	3774	$DB_ENV,
…		…
3254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3256	0666;	3778	0666;
3257		3779
3258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3259
3260	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3261	$DB_ENV->set_lk_detect;
3262	};	3781	};
3263		3782
3264	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
3265	};	3784	};
3266	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
3267	}	3796	}
3268		3797
3269	{	3798	{
		3799	# configure IO::AIO
		3800
3270	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
3271
3272	undef $Coro::AIO::WATCHER;
3273	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
3274	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
3275	reentrant => 0,
3276	data => WF_AUTOCANCEL,
3277	fd => IO::AIO::poll_fileno,
3278	poll => 'r',
3279	prio => 6,
3280	cb => \&IO::AIO::poll_cb,
3281	);
3282	}	3804	}
3283		3805
3284	my $_log_backtrace;	3806	my $_log_backtrace;
3285		3807
3286	sub _log_backtrace {	3808	sub _log_backtrace {
…		…
3290		3812
3291	# limit the # of concurrent backtraces	3813	# limit the # of concurrent backtraces
3292	if ($_log_backtrace < 2) {	3814	if ($_log_backtrace < 2) {
3293	++$_log_backtrace;	3815	++$_log_backtrace;
3294	async {	3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
3295	my @bt = fork_call {	3819	my @bt = fork_call {
3296	@addr = map { sprintf "%x", $_ } @addr;	3820	@addr = map { sprintf "%x", $_ } @addr;
3297	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3298	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3299	or die "addr2line: $!";	3823	or die "addr2line: $!";

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