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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.289 by root, Sat Jun 30 03:00:54 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
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;
		57	use Digest::MD5 ();
34		58
35	# configure various modules to our taste	59	# configure various modules to our taste
36	#	60	#
37	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
38	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
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45		64
46	$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
47		66
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		68
…		…
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
73		93
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	97	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		99
82	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	104	our $DB_ENV;
84		105
85	our %CFG;	106	our %CFG;
86		107
87	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
89		111
90	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
93		115
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		118
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
100		123
101	binmode STDOUT;	124	binmode STDOUT;
102	binmode STDERR;	125	binmode STDERR;
103		126
104	# read virtual server time, if available	127	# read virtual server time, if available
…		…
157		180
158	The raw value load value from the last tick.	181	The raw value load value from the last tick.
159		182
160	=item %cf::CFG	183	=item %cf::CFG
161		184
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	186	from wherever your confdir points to.
164		187
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		189
167	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
168	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
169	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.
170		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
171	=back	200	=back
172		201
173	=cut	202	=cut
174		203
175	BEGIN {	204	BEGIN {
…		…
179	$msg .= "\n"	208	$msg .= "\n"
180	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
181		210
182	$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;
183		212
184	utf8::encode $msg;
185	LOG llevError, $msg;	213	LOG llevError, $msg;
186	};	214	};
187	}	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	$SIG{__DIE__} = sub { }; #d#?
188		231
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
205	)) {	248	)) {
206	no strict 'refs';	249	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	251	}
209		252
210	$Event::DIED = sub {	253	$EV::DIED = sub {
211	warn "error in event callback: @_";	254	warn "error in event callback: @_";
212	};	255	};
213		256
214	#############################################################################	257	#############################################################################
215		258
…		…
238	$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;
239	$d	282	$d
240	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
241	}	284	}
242		285
243	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
244		287
245	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
246		289
247	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
248		291
249	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
250		293
251	=cut	294	=cut
252		295
253	our $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		297
255	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
257		300
258	=item cf::lock_wait $string	301	=item cf::lock_wait $string
259		302
260	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
261		304
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
267	returned.	310	returned.
268		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
269	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
270	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
271		317
272	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
273		319
274	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
275		321
276	=cut	322	=cut
277		323
278	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
279		326
280	sub lock_wait($) {	327	sub lock_wait($) {
281	my ($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#
282		334
283	# wait for lock, if any	335	# wait for lock, if any
284	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	338	Coro::schedule;
…		…
292		344
293	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
294	lock_wait $key;	346	lock_wait $key;
295		347
296	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
297		350
298	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
301	}	355	}
302	}	356	}
303		357
…		…
306		360
307	! ! $LOCK{$key}	361	! ! $LOCK{$key}
308	}	362	}
309		363
310	sub freeze_mainloop {	364	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
312		366
313	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
314	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
315	};	428	}
316	$TICK_WATCHER->stop;	429	};
317	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
318	}	443	}
319		444
320	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
321		446
322	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		452
328	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
329		454
330	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
331		456
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	460	acceptable.
336		461
337	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		468
344	sub sync_job(&) {	469	sub sync_job(&) {
345	my ($job) = @_;	470	my ($job) = @_;
346		471
347	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	473	my $time = EV::time;
349		474
350	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
352		477
353	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	479
355	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
356		481
357	my $busy = 1;	482	my $busy = 1;
358	my @res;	483	my @res;
359		484
360	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	487	@res = eval { $job->() };
362	warn $@ if $@;	488	warn $@ if $@;
363	undef $busy;	489	undef $busy;
364	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
365		491
366	while ($busy) {	492	while ($busy) {
367	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
368	}	497	}
		498	}
369		499
370	$time = Event::time - $time;	500	my $time = EV::time - $time;
371		501
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
376		503
377	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
378	} else {	505	} else {
379	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
380		507
…		…
405	=item fork_call { }, $args	532	=item fork_call { }, $args
406		533
407	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
411		538
412	=cut	539	=cut
413		540
414	sub fork_call(&@) {	541	sub fork_call(&@) {
415	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
416		543
417	# 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,
418	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		547
422	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	549	reset_signals;
435	local $SIG{__WARN__};	550	&$cb
436	local $SIG{__DIE__};	551	}, @args;
437	eval {
438	close $fh1;
439		552
440	my @res = eval { $cb->(@args) };	553	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	554	}
442	};
443		555
444	warn $@ if $@;	556	=item $coin = coin_from_name $name
445	_exit 0;	557
446	}	558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
447	}	581	}
448		582
449	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
450		584
451	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
454		588
455	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
456	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).
457		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
458	=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	}
459		615
460	our $DB;	616	our $DB;
461		617
462	sub db_init {	618	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	619	cf::sync_job {
467	eval {	620	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	621	};
477	}	622	}
478		623
479	sub db_get($$) {	624	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
481		626
…		…
531	if (1) {	676	if (1) {
532	$md5 =	677	$md5 =
533	join "\x00",	678	join "\x00",
534	$processversion,	679	$processversion,
535	map {	680	map {
536	Coro::cede;	681	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	683	} 0.. $#$src;
539		684
540		685
541	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
585	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")
586	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
587		732
588	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>
589	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
590	Crossfire TRT).	735	Deliantra).
591		736
592	=over 4	737	=over 4
593		738
594	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
595		740
…		…
847	";	992	";
848	die if $@;	993	die if $@;
849	}	994	}
850		995
851	our $override;	996	our $override;
852	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?
853		998
854	sub override {	999	sub override {
855	$override = 1;	1000	$override = 1;
856	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
857	}	1002	}
858		1003
859	sub do_invoke {	1004	sub do_invoke {
860	my $event = shift;	1005	my $event = shift;
861	my $callbacks = shift;	1006	my $callbacks = shift;
862		1007
863	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
864		1009
865	local $override;	1010	local $override;
866		1011
867	for (@$callbacks) {	1012	for (@$callbacks) {
868	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
877	}	1022	}
878		1023
879	0	1024	0
880	}	1025	}
881		1026
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1028
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1030
886	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
887		1032
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1036
892	=back	1037	=back
893		1038
894	=cut	1039	=cut
895		1040
896	#############################################################################	1041	#############################################################################
897	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
898		1085
899	sub reattach {	1086	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1088	my ($obj) = @_;
902		1089
…		…
923	cf::attachable->attach (	1110	cf::attachable->attach (
924	prio => -1000000,	1111	prio => -1000000,
925	on_instantiate => sub {	1112	on_instantiate => sub {
926	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
927		1114
928	$data = from_json $data;	1115	$data = decode_json $data;
929		1116
930	for (@$data) {	1117	for (@$data) {
931	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
932		1119
933	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1136	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
951		1138
952	sync_job {	1139	sync_job {
953	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
956		1144
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1149	close $fh;
962		1150
963	if (@$objs) {	1151	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1157	close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
971	}	1159	}
…		…
979	}	1167	}
980	} else {	1168	} else {
981	aio_unlink $filename;	1169	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
983	}	1171	}
984	}	1172	};
985	}	1173	}
986		1174
987	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
989		1177
…		…
1001	or return;	1189	or return;
1002		1190
1003	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1193	or return;
		1194
1006	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1007	}	1197	}
1008		1198
		1199	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1011	return ($data, $av);	1203	($data, $av)
1012	}	1204	}
1013		1205
1014	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1015		1207
1016	=over 4	1208	=over 4
…		…
1086	cf::override;	1278	cf::override;
1087	},	1279	},
1088	on_extcmd => sub {	1280	on_extcmd => sub {
1089	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
1090		1282
1091	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1284
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1099	} else {	1300	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1302	}
1102		1303
1103	cf::override;	1304	cf::override;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1158		1359
1159	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1361	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1363	}
1164		1364
1165	warn $msg;	1365	warn $msg;
1166	}	1366	}
1167		1367
…		…
1192	use Coro::AIO;	1392	use Coro::AIO;
1193		1393
1194	=head3 cf::player	1394	=head3 cf::player
1195		1395
1196	=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	}
1197		1411
1198	=item cf::player::find $login	1412	=item cf::player::find $login
1199		1413
1200	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1201		1415
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1455
1242	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1245	}	1464	}
1246	}	1465	}
1247	}	1466	}
1248		1467
…		…
1257	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1258		1477
1259	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1261		1480
		1481	cf::get_slot 0.01;
		1482
1262	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1263	Coro::cede;	1484	cf::cede_to_tick;
1264	}	1485	}
1265		1486
1266	sub new($) {	1487	sub new($) {
1267	my ($login) = @_;	1488	my ($login) = @_;
1268		1489
…		…
1272	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1273		1494
1274	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1275		1496
1276	$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 (@_);
1277	}	1508	}
1278		1509
1279	=item $pl->quit_character	1510	=item $pl->quit_character
1280		1511
1281	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
…		…
1336	or return [];	1567	or return [];
1337		1568
1338	my @logins;	1569	my @logins;
1339		1570
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1344		1580
1345	utf8::decode $login;	1581	utf8::decode $login;
1346	push @logins, $login;	1582	push @logins, $login;
1347	}	1583	}
1348		1584
…		…
1381		1617
1382	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1383		1619
1384	=cut	1620	=cut
1385		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
1386	sub expand_cfpod {	1633	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1388		1635
1389	# escape & and <	1636	my $xml;
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392		1637
1393	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1394		1641
1395	1 while	1642	$group =~ s/&/&amp;/g;
1396	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1397	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1400	# replace G<male|female> tags	1647	([BCGHITU])
1401	|| s{G<([^>|]*)\|([^>]*)>}{	1648	<
1402	$self->gender ? $2 : $1	1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
1403	}ge	1685	}
1404	# replace H<hint text>	1686	}
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406		1687
		1688	for ($xml) {
1407	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1409		1691
1410	$_	1692	# compress some whitespace
1411	}	1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
1412		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1413	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1414		1710
1415	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1416		1712
1417	=cut	1713	=cut
1418		1714
1419	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1421		1717
1422	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . cf::to_json \%msg);
1424	}	1719	}
1425		1720
1426	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1427		1722
1428	Sends an ext event to the client.	1723	Sends an ext event to the client.
1429		1724
1430	=cut	1725	=cut
1431		1726
1432	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1434		1729
1435	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1436	}	1731	}
1437		1732
1438	=head3 cf::region	1733	=head3 cf::region
1439		1734
1440	=over 4	1735	=over 4
…		…
1453	my ($path) = @_;	1748	my ($path) = @_;
1454		1749
1455	my ($match, $specificity);	1750	my ($match, $specificity);
1456		1751
1457	for my $region (list) {	1752	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1461	}	1756	}
1462	}	1757	}
1463		1758
…		…
1484	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1486		1781
1487	sub generate_random_map {	1782	sub generate_random_map {
1488	my ($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
1489	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1788	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1583	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1584	return $self;	1882	return $self;
1585	}	1883	}
1586	}	1884	}
1587		1885
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1589	()	1887	()
1590	}	1888	}
1591		1889
1592	sub init {	1890	sub init {
1593	my ($self) = @_;	1891	my ($self) = @_;
…		…
1615		1913
1616	# the temporary/swap location	1914	# the temporary/swap location
1617	sub save_path {	1915	sub save_path {
1618	my ($self) = @_;	1916	my ($self) = @_;
1619		1917
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1622	}	1920	}
1623		1921
1624	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1625	sub uniq_path {	1923	sub uniq_path {
1626	my ($self) = @_;	1924	my ($self) = @_;
1627		1925
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1630	}	1928	}
1631		1929
1632	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1633	# all maps in C++...	1931	# all maps in C++...
…		…
1656		1954
1657	sub load_header_from($) {	1955	sub load_header_from($) {
1658	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1659		1957
1660	utf8::encode $path;	1958	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	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;
1666		1967
1667	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1668		1969
1669	1	1970	1
1670	}	1971	}
…		…
1724	sub find {	2025	sub find {
1725	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1726		2027
1727	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1728		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1730		2032
1731	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1732	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
1733	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1734	or return;	2038	or return;
1735		2039
1736	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1737		2041
…		…
1739	or return;	2043	or return;
1740		2044
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1744	$map->reset;	2050	$map->reset;
1745	undef $guard;
1746	return find $path;	2051	return find $path;
1747	}	2052	}
1748		2053
1749	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1750	}	2055	}
…		…
1759	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1760		2065
1761	my $path = $self->{path};	2066	my $path = $self->{path};
1762		2067
1763	{	2068	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1765		2070
		2071	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2073
1768	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1769		2075
1770	$self->alloc;	2076	$self->alloc;
1771		2077
1772	$self->pre_load;	2078	$self->pre_load;
1773	Coro::cede;	2079	cf::cede_to_tick;
1774		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1776	or return;	2084	or return;
1777		2085
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1779	if delete $self->{load_original};	2087	if delete $self->{load_original};
1780		2088
1781	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2090	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2093	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1786	}	2097	}
1787	}	2098	}
1788		2099
1789	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1790	# now do the right thing for maps	2103	# now do the right thing for maps
1791	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2106	unless $self->difficulty;
1794	Coro::cede;	2107	cf::cede_to_tick;
1795		2108
1796	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2110	$self->decay_objects;
1798	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1799	$self->update_buttons;	2112	$self->update_buttons;
1800	Coro::cede;	2113	cf::cede_to_tick;
1801	$self->set_darkness_map;	2114	$self->set_darkness_map;
1802	Coro::cede;	2115	cf::cede_to_tick;
1803	$self->activate;	2116	$self->activate;
1804	}	2117	}
1805		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2123	}
1808		2124
1809	$self->post_load;	2125	$self->post_load;
1810	}	2126	}
1811		2127
…		…
1820		2136
1821	$self	2137	$self
1822	}	2138	}
1823		2139
1824	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {	2141	sub load_neighbours {
1826	my ($map) = @_;	2142	my ($map) = @_;
1827		2143
1828	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1829		2145
1830	for (0 .. 3) {	2146	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1832	or next;	2148	or next;
1833	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1834	or next;	2150	or next;
1835	$neigh->load;	2151	$neigh->load;
1836		2152
		2153	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2156	}
1840		2157
1841	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1843	or next;	2161	or next;
1844	$neigh->load;	2162	$neigh->load;
1845	}	2163	}
1846	}	2164	}
1847		2165
…		…
1852	}	2170	}
1853		2171
1854	sub do_load_sync {	2172	sub do_load_sync {
1855	my ($map) = @_;	2173	my ($map) = @_;
1856		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1857	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1858	}	2179	}
1859		2180
1860	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1862		2183
1863	sub find_async {	2184	sub find_async {
1864	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1865		2186
1866	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1867		2188
1868	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2191	}
1871		2192
1872	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1873	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1874	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2200	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2201	$map->load if $v;
		2202	}
1879		2203
1880	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1881	}	2205	}
1882	}	2206	}
1883	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1884	};	2208	};
1885	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1888	}	2212	}
1889		2213
1890	sub save {	2214	sub save {
1891	my ($self) = @_;	2215	my ($self) = @_;
1892		2216
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1894		2218
1895	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1896		2220
1897	return unless $self->dirty;	2221	return unless $self->dirty;
1898		2222
…		…
1904	return if $self->{deny_save};	2228	return if $self->{deny_save};
1905		2229
1906	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1907		2231
1908	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1910	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1911		2238
1912	if ($uniq) {	2239	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2242	} else {
…		…
1921	my ($self) = @_;	2248	my ($self) = @_;
1922		2249
1923	# save first because save cedes	2250	# save first because save cedes
1924	$self->save;	2251	$self->save;
1925		2252
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2254
1928	return if $self->players;	2255	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1930	return if $self->{deny_save};	2257	return if $self->{deny_save};
1931		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1932	$self->clear;	2263	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2264	}
1935		2265
1936	sub reset_at {	2266	sub reset_at {
1937	my ($self) = @_;	2267	my ($self) = @_;
1938		2268
…		…
1970	if $uniq;	2300	if $uniq;
1971	}	2301	}
1972		2302
1973	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1974		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2307	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2308
1979	$self->unlink_save;	2309	$self->unlink_save;
1980	$self->destroy;	2310	$self->destroy;
1981	}	2311	}
1982		2312
1983	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1984		2314
1985	sub nuke {	2315	sub nuke {
1986	my ($self) = @_;	2316	my ($self) = @_;
1987		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1988	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1989		2322
1990	$self->unlink_save;	2323	$self->unlink_save;
1991		2324
1992	bless $self, "cf::map";	2325	bless $self, "cf::map";
1993	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2330
1998	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1999		2333
2000	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
2001	}	2335	}
2002		2336
2003	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
2045		2379
2046	sub unique_maps() {	2380	sub unique_maps() {
2047	[	2381	[
2048	map {	2382	map {
2049	utf8::decode $_;	2383	utf8::decode $_;
2050	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2051	? normalise $_	2387	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2389	]
2055	}	2390	}
2056		2391
2057	package cf;
2058
2059	=back	2392	=back
2060		2393
2061	=head3 cf::object	2394	=head3 cf::object
2062		2395
2063	=cut	2396	=cut
…		…
2066		2399
2067	=over 4	2400	=over 4
2068		2401
2069	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2070		2403
2071	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.
2072		2406
2073	=cut	2407	=cut
2074		2408
2075	sub inv_recursive_;	2409	sub inv_recursive_;
2076	sub inv_recursive_ {	2410	sub inv_recursive_ {
2077	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2078	}	2412	}
2079		2413
2080	sub inv_recursive {	2414	sub inv_recursive {
2081	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	}
2082	}	2444	}
2083		2445
2084	package cf;	2446	package cf;
2085		2447
2086	=back	2448	=back
…		…
2110		2472
2111	} else {	2473	} else {
2112	my $pl = $self->contr;	2474	my $pl = $self->contr;
2113		2475
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2477	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2479
2123	} else {	2480	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
2126	}	2483	}
2127	}	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 (@_);
2128	}	2495	}
2129		2496
2130	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
2131		2498
2132	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
2211	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
2214		2581
2215	$map->load;	2582	$map->load;
2216	$map->load_diag;	2583	$map->load_neighbours;
2217		2584
2218	return unless $self->contr->active;	2585	return unless $self->contr->active;
2219	$self->activate_recursive;	2586	$self->activate_recursive;
2220		2587
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
2223	}	2590	}
2224		2591
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2226		2593
2227	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
2228	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
2229	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
2230	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.
2231		2599
2232	=cut	2600	=cut
2233		2601
2234	our $GOTOGEN;	2602	our $GOTOGEN;
2235		2603
2236	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
2238		2606
2239	# 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
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2609
2242	$self->enter_link;	2610	$self->enter_link;
2243		2611
2244	(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
2245	my $map = eval {	2634	my $map = eval {
2246	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2247		2636
2248	if ($map) {	2637	if ($map) {
2249	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2251	} else {	2640	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2642	}
2254		2643
2255	$map	2644	$map
2256	};	2645	};
2257		2646
…		…
2262		2651
2263	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
2266	}	2655	}
		2656
		2657	$done->() if $done;
2267	})->prio (1);	2658	})->prio (1);
2268	}	2659	}
2269		2660
2270	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2271		2662
…		…
2308	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2309	}	2700	}
2310		2701
2311	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2312		2703
2313	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2316		2707
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2340	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2342		2733
2343	$self->enter_link;	2734	$self->enter_link;
2344		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2345	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2346	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2347	unless (eval {	2744	unless (eval {
2348	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2349		2746
2350	1;	2747	1;
…		…
2376		2773
2377	utf8::encode $text;	2774	utf8::encode $text;
2378	$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);
2379	}	2776	}
2380		2777
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2779
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2780	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2781	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2782	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2387		2784
2388	=cut	2785	=cut
2389		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
2390	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2392		2841
2393	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2394		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
2395	if ($self->can_msg) {	2868	if ($self->can_msg) {
2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);	2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2397	} else {	2875	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407
2408	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
2409	if (0 && $msg =~ /\[/) {	2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2411	} else {	2894	} else {
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2413	$self->send_packet ("drawinfo $color $msg")	2896	$self->send_packet ("drawinfo $color $msg")
2414	}	2897	}
2415	}	2898	}
2416	}	2899	}
2417	}	2900	}
2418		2901
2419	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2420		2903
2421	Sends an ext event to the client.	2904	Sends an ext event to the client.
2422		2905
2423	=cut	2906	=cut
2424		2907
2425	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2427		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2430	}	2935	}
2431		2936
2432	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2433		2938
2434	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
…		…
2457		2962
2458	1	2963	1
2459	}	2964	}
2460		2965
2461	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2462	on_reply => sub {	2972	on_reply => sub {
2463	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2464		2974
2465	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2466	# get handled first	2976	# get handled first
…		…
2481	}	2991	}
2482	},	2992	},
2483	on_exticmd => sub {	2993	on_exticmd => sub {
2484	my ($ns, $buf) = @_;	2994	my ($ns, $buf) = @_;
2485		2995
2486	my $msg = eval { from_json $buf };	2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2487		2997
2488	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
2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3006	if (my $cb = $EXTICMD{$type}) {
2490	if (my %reply = $cb->($ns, $msg)) {	3007	@reply = $cb->($ns, @payload);
2491	$reply{msgid} = $msg->{msgid};
2492	$ns->send ("ext " . cf::to_json \%reply);
2493	}
2494	}	3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
2495	} else {	3013	} else {
2496	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";
2497	}	3015	}
2498		3016
2499	cf::override;	3017	cf::override;
…		…
2546	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2547	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2548		3066
2549	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2550		3068
2551	$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	));
2552		3074
2553	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2554		3076
2555	=pod	3077	=pod
2556		3078
2557	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2558		3080
2559	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2560	cf::object::player player	3085	cf::object::player
2561	cf::player peaceful	3086	player
2562	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2563		3093
2564	=cut	3094	=cut
2565		3095
2566	for (	3096	for (
2567	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2568	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2569	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2570	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2571	) {	3103	) {
2572	no strict 'refs';	3104	no strict 'refs';
…		…
2648	# the server's init and main functions	3180	# the server's init and main functions
2649		3181
2650	sub load_facedata($) {	3182	sub load_facedata($) {
2651	my ($path) = @_;	3183	my ($path) = @_;
2652		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
2653	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2654		3192
2655	my $facedata;	3193	my $facedata;
2656	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
2657	or die "$path: $!";	3195	or die "$path: $!";
…		…
2659	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2660		3198
2661	$facedata->{version} == 2	3199	$facedata->{version} == 2
2662	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2663		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
2664	{	3209	{
2665	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2666		3211
2667	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2672	Coro::cede;	3219
		3220	cf::cede_to_tick;
2673	}	3221	}
2674		3222
2675	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2676	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2677	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2678	or next;	3227	or next;
		3228
2679	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2681	} else {	3232	} else {
2682	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2683	}	3234	}
2684	Coro::cede;	3235
		3236	cf::cede_to_tick;
2685	}	3237	}
2686	}	3238	}
2687		3239
2688	{	3240	{
2689	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2690		3242
2691	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2692	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2693	Coro::cede;	3245	cf::cede_to_tick;
2694	}	3246	}
2695		3247
2696	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2697	}	3249	}
2698		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2699	1	3286	1
2700	}	3287	}
2701		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
2702	sub reload_regions {	3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
2703	load_resource_file "$MAPDIR/regions"	3322	load_resource_file "$MAPDIR/regions"
2704	or die "unable to load regions file\n";	3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
2705	}	3329	}
2706		3330
2707	sub reload_facedata {	3331	sub reload_facedata {
2708	load_facedata "$DATADIR/facedata"	3332	load_facedata "$DATADIR/facedata"
2709	or die "unable to load facedata\n";	3333	or die "unable to load facedata\n";
…		…
2738		3362
2739	sub init {	3363	sub init {
2740	reload_resources;	3364	reload_resources;
2741	}	3365	}
2742		3366
2743	sub cfg_load {	3367	sub reload_config {
2744	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2745	or return;	3369	or return;
2746		3370
2747	local $/;	3371	local $/;
2748	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2749		3373
2750	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2751		3375
2752	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2753	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2764	sub main {	3388	sub main {
2765	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2766	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2767	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2768	(async {	3392	(async {
2769	Event::one_event;	3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
2770	})->prio (Coro::PRIO_MAX);	3395	})->prio (Coro::PRIO_MAX);
2771	};	3396	};
2772		3397
2773	cfg_load;	3398	reload_config;
2774	db_init;	3399	db_init;
2775	load_extensions;	3400	load_extensions;
2776		3401
2777	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2778	Event::loop;	3404	EV::loop;
2779	}	3405	}
2780		3406
2781	#############################################################################	3407	#############################################################################
2782	# initialisation and cleanup	3408	# initialisation and cleanup
2783		3409
2784	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2785	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2786	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2787	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2788	reentrant => 0,
2789	data => WF_AUTOCANCEL,
2790	signal => $signal,
2791	prio => 0,
2792	cb => sub {
2793	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2794	},
2795	);	3416	};
2796	}	3417	}
2797	}	3418	}
2798		3419
2799	sub write_runtime {	3420	sub write_runtime_sync {
2800	my $runtime = "$LOCALDIR/runtime";	3421	my $runtime = "$LOCALDIR/runtime";
2801		3422
2802	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
2803	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
2804		3425
…		…
2830	and return;	3451	and return;
2831		3452
2832	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
2833		3454
2834	1	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2835	}	3499	}
2836		3500
2837	sub emergency_save() {	3501	sub emergency_save() {
2838	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2839		3503
…		…
2845	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2846	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2847	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2848	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2849	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2850	$pl->save;	3515	$pl->save;
2851	}	3516	}
2852	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2853		3518
2854	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2860	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2861		3526
2862	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2863	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2864	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2865	};	3534	};
2866		3535
2867	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2868	}	3537	}
2869		3538
…		…
2884	warn "reloading...";	3553	warn "reloading...";
2885		3554
2886	warn "entering sync_job";	3555	warn "entering sync_job";
2887		3556
2888	cf::sync_job {	3557	cf::sync_job {
2889	cf::write_runtime; # external watchdog should not bark	3558	cf::write_runtime_sync; # external watchdog should not bark
2890	cf::emergency_save;	3559	cf::emergency_save;
2891	cf::write_runtime; # external watchdog should not bark	3560	cf::write_runtime_sync; # external watchdog should not bark
2892		3561
2893	warn "syncing database to disk";	3562	warn "syncing database to disk";
2894	BDB::db_env_txn_checkpoint $DB_ENV;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2895		3564
2896	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2897
2898	warn "cancelling all WF_AUTOCANCEL watchers";
2899	for (Event::all_watchers) {
2900	$_->cancel if $_->data & WF_AUTOCANCEL;
2901	}
2902		3566
2903	warn "flushing outstanding aio requests";	3567	warn "flushing outstanding aio requests";
2904	for (;;) {	3568	for (;;) {
2905	BDB::flush;	3569	BDB::flush;
2906	IO::AIO::flush;	3570	IO::AIO::flush;
2907	Coro::cede;	3571	Coro::cede_notself;
2908	last unless IO::AIO::nreqs || BDB::nreqs;	3572	last unless IO::AIO::nreqs || BDB::nreqs;
2909	warn "iterate...";	3573	warn "iterate...";
2910	}	3574	}
2911		3575
2912	++$RELOAD;	3576	++$RELOAD;
…		…
2971	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2972	require cf;	3636	require cf;
2973	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2974		3638
2975	warn "loading config and database again";	3639	warn "loading config and database again";
2976	cf::cfg_load;	3640	cf::reload_config;
2977		3641
2978	warn "loading extensions";	3642	warn "loading extensions";
2979	cf::load_extensions;	3643	cf::load_extensions;
2980		3644
2981	warn "reattaching attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
…		…
2988	warn "leaving sync_job";	3652	warn "leaving sync_job";
2989		3653
2990	1	3654	1
2991	} or do {	3655	} or do {
2992	warn $@;	3656	warn $@;
2993	warn "error while reloading, exiting.";	3657	cf::cleanup "error while reloading, exiting.";
2994	exit 1;
2995	};	3658	};
2996		3659
2997	warn "reloaded";	3660	warn "reloaded";
2998	};	3661	};
2999		3662
…		…
3001		3664
3002	sub reload_perl() {	3665	sub reload_perl() {
3003	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
3004	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
3005		3668
3006	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3007	reentrant => 0,
3008	after => 0,
3009	data => WF_AUTOCANCEL,
3010	cb => sub {
3011	do_reload_perl;	3670	do_reload_perl;
3012	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
3013	},
3014	);	3672	};
3015	}	3673	}
3016		3674
3017	register_command "reload" => sub {	3675	register_command "reload" => sub {
3018	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
3019		3677
3020	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
3021	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
3022	async { reload_perl };	3682	reload_perl;
		3683	};
3023	}	3684	}
3024	};	3685	};
3025		3686
3026	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
3027		3688
…		…
3029		3690
3030	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
3031	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
3032		3693
3033	sub wait_for_tick {	3694	sub wait_for_tick {
3034	return unless $TICK_WATCHER->is_active;	3695	return if tick_inhibit;
3035	return if $Coro::current == $Coro::main;	3696	return if $Coro::current == $Coro::main;
3036		3697
3037	my $signal = new Coro::Signal;	3698	my $signal = new Coro::Signal;
3038	push @WAIT_FOR_TICK, $signal;	3699	push @WAIT_FOR_TICK, $signal;
3039	$signal->wait;	3700	$signal->wait;
3040	}	3701	}
3041		3702
3042	sub wait_for_tick_begin {	3703	sub wait_for_tick_begin {
3043	return unless $TICK_WATCHER->is_active;	3704	return if tick_inhibit;
3044	return if $Coro::current == $Coro::main;	3705	return if $Coro::current == $Coro::main;
3045		3706
3046	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3047	push @WAIT_FOR_TICK_BEGIN, $signal;	3708	push @WAIT_FOR_TICK_BEGIN, $signal;
3048	$signal->wait;	3709	$signal->wait;
3049	}	3710	}
3050		3711
3051	my $min = 1e6;#d#	3712	sub tick {
3052	my $avg = 10;
3053	$TICK_WATCHER = Event->timer (
3054	reentrant => 0,
3055	parked => 1,
3056	prio => 0,
3057	at => $NEXT_TICK || $TICK,
3058	data => WF_AUTOCANCEL,
3059	cb => sub {
3060	if ($Coro::current != $Coro::main) {	3713	if ($Coro::current != $Coro::main) {
3061	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3062	unless ++$bug_warning > 10;	3715	unless ++$bug_warning > 10;
3063	return;	3716	return;
3064	}	3717	}
3065		3718
3066	$NOW = $tick_start = Event::time;
3067
3068	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
3069		3720
3070	0 && sync_job {#d#	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3071	for(1..10) {	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3072	my $t = Event::time;	3723	Coro::async_pool {
3073	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3724	$Coro::current->{desc} = "runtime saver";
3074	or die;	3725	write_runtime_sync
3075		3726	or warn "ERROR: unable to write runtime file: $!";
3076	$map->width (50);
3077	$map->height (50);
3078	$map->alloc;
3079	$map->_load_objects ("/tmp/x.map", 1);
3080	my $t = Event::time - $t;
3081
3082	#next unless $t < 0.0013;#d#
3083	if ($t < $min) {
3084	$min = $t;
3085	}
3086	$avg = $avg * 0.99 + $t * 0.01;
3087	}
3088	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3089	exit 0;
3090	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3091	};	3727	};
		3728	}
3092		3729
3093	$RUNTIME += $TICK;
3094	$NEXT_TICK += $TICK;
3095
3096	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3097	$NEXT_RUNTIME_WRITE = $NOW + 10;
3098	Coro::async_pool {
3099	write_runtime
3100	or warn "ERROR: unable to write runtime file: $!";
3101	};
3102	}
3103
3104	# my $AFTER = Event::time;
3105	# warn $AFTER - $NOW;#d#
3106
3107	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3108	$sig->send;	3731	$sig->send;
3109	}	3732	}
3110	while (my $sig = shift @WAIT_FOR_TICK) {	3733	while (my $sig = shift @WAIT_FOR_TICK) {
3111	$sig->send;	3734	$sig->send;
3112	}	3735	}
3113		3736
3114	$NOW = Event::time;	3737	$LOAD = ($NOW - $TICK_START) / $TICK;
3115
3116	# if we are delayed by four ticks or more, skip them all
3117	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3118
3119	$TICK_WATCHER->at ($NEXT_TICK);
3120	$TICK_WATCHER->start;
3121
3122	$LOAD = ($NOW - $tick_start) / $TICK;
3123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3124		3739
3125	_post_tick;	3740	if (0) {
3126		3741	if ($NEXT_TICK) {
3127		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
3128	},	3746	}
3129	);	3747	}
3130		3748
3131	{	3749	{
3132	BDB::max_poll_time $TICK * 0.1;	3750	# configure BDB
3133	$BDB_POLL_WATCHER = Event->io (	3751
3134	reentrant => 0,
3135	fd => BDB::poll_fileno,
3136	poll => 'r',
3137	prio => 0,
3138	data => WF_AUTOCANCEL,
3139	cb => \&BDB::poll_cb,
3140	);
3141	BDB::min_parallel 8;	3752	BDB::min_parallel 8;
3142		3753	BDB::max_poll_reqs $TICK * 0.1;
3143	BDB::set_sync_prepare {	3754	$Coro::BDB::WATCHER->priority (1);
3144	my $status;
3145	my $current = $Coro::current;
3146	(
3147	sub {
3148	$status = $!;
3149	$current->ready; undef $current;
3150	},
3151	sub {
3152	Coro::schedule while defined $current;
3153	$! = $status;
3154	},
3155	)
3156	};
3157		3755
3158	unless ($DB_ENV) {	3756	unless ($DB_ENV) {
3159	$DB_ENV = BDB::db_env_create;	3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3160		3762
3161	cf::sync_job {	3763	cf::sync_job {
3162	eval {	3764	eval {
3163	BDB::db_env_open	3765	BDB::db_env_open
3164	$DB_ENV,	3766	$DB_ENV,
…		…
3166	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3167	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3168	0666;	3770	0666;
3169		3771
3170	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3171
3172	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3173	$DB_ENV->set_lk_detect;
3174	};	3773	};
3175		3774
3176	cf::cleanup "db_env_open(db): $@" if $@;	3775	cf::cleanup "db_env_open(db): $@" if $@;
3177	};	3776	};
3178	}	3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
3179	}	3788	}
3180		3789
3181	{	3790	{
		3791	# configure IO::AIO
		3792
3182	IO::AIO::min_parallel 8;	3793	IO::AIO::min_parallel 8;
3183
3184	undef $Coro::AIO::WATCHER;
3185	IO::AIO::max_poll_time $TICK * 0.1;	3794	IO::AIO::max_poll_time $TICK * 0.1;
3186	$AIO_POLL_WATCHER = Event->io (	3795	$Coro::AIO::WATCHER->priority (1);
3187	reentrant => 0,
3188	data => WF_AUTOCANCEL,
3189	fd => IO::AIO::poll_fileno,
3190	poll => 'r',
3191	prio => 6,
3192	cb => \&IO::AIO::poll_cb,
3193	);
3194	}	3796	}
3195		3797
3196	my $_log_backtrace;	3798	my $_log_backtrace;
3197		3799
3198	sub _log_backtrace {	3800	sub _log_backtrace {
…		…
3202		3804
3203	# limit the # of concurrent backtraces	3805	# limit the # of concurrent backtraces
3204	if ($_log_backtrace < 2) {	3806	if ($_log_backtrace < 2) {
3205	++$_log_backtrace;	3807	++$_log_backtrace;
3206	async {	3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
3207	my @bt = fork_call {	3811	my @bt = fork_call {
3208	@addr = map { sprintf "%x", $_ } @addr;	3812	@addr = map { sprintf "%x", $_ } @addr;
3209	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3210	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3211	or die "addr2line: $!";	3815	or die "addr2line: $!";

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