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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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->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	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
318	}	441	}
319		442
320	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
321		444
322	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		450
328	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
329		452
330	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
331		454
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	458	acceptable.
336		459
337	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		466
344	sub sync_job(&) {	467	sub sync_job(&) {
345	my ($job) = @_;	468	my ($job) = @_;
346		469
347	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	471	my $time = EV::time;
349		472
350	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
352		475
353	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	477
355	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
356		479
357	my $busy = 1;	480	my $busy = 1;
358	my @res;	481	my @res;
359		482
360	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	485	@res = eval { $job->() };
362	warn $@ if $@;	486	warn $@ if $@;
363	undef $busy;	487	undef $busy;
364	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
365		489
366	while ($busy) {	490	while ($busy) {
367	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
368	}	495	}
		496	}
369		497
370	$time = Event::time - $time;	498	my $time = EV::time - $time;
371		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
376		501
377	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
378	} else {	503	} else {
379	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
380		505
…		…
405	=item fork_call { }, $args	530	=item fork_call { }, $args
406		531
407	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
411		536
412	=cut	537	=cut
413		538
414	sub fork_call(&@) {	539	sub fork_call(&@) {
415	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
416		541
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	542	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		545
422	if (my $pid = fork) {	546	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;	547	reset_signals;
435	local $SIG{__WARN__};	548	&$cb
436	local $SIG{__DIE__};	549	}, @args;
437	eval {
438	close $fh1;
439		550
440	my @res = eval { $cb->(@args) };	551	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	552	}
442	};
443		553
444	warn $@ if $@;	554	=item $coin = coin_from_name $name
445	_exit 0;	555
446	}	556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
447	}	579	}
448		580
449	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
450		582
451	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
454		586
455	Stores the given C<$value> in the family. It can currently store binary	587	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).	588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
458	=cut	595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
459		613
460	our $DB;	614	our $DB;
461		615
462	sub db_init {	616	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	617	cf::sync_job {
467	eval {	618	$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	}	619	};
477	}	620	}
478		621
479	sub db_get($$) {	622	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
481		624
…		…
531	if (1) {	674	if (1) {
532	$md5 =	675	$md5 =
533	join "\x00",	676	join "\x00",
534	$processversion,	677	$processversion,
535	map {	678	map {
536	Coro::cede;	679	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	681	} 0.. $#$src;
539		682
540		683
541	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
585	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
587		730
588	In the following description, CLASS can be any of C<global>, C<object>	731	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	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	733	Deliantra).
591		734
592	=over 4	735	=over 4
593		736
594	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
595		738
…		…
847	";	990	";
848	die if $@;	991	die if $@;
849	}	992	}
850		993
851	our $override;	994	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		996
854	sub override {	997	sub override {
855	$override = 1;	998	$override = 1;
856	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
857	}	1000	}
858		1001
859	sub do_invoke {	1002	sub do_invoke {
860	my $event = shift;	1003	my $event = shift;
861	my $callbacks = shift;	1004	my $callbacks = shift;
862		1005
863	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
864		1007
865	local $override;	1008	local $override;
866		1009
867	for (@$callbacks) {	1010	for (@$callbacks) {
868	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
877	}	1020	}
878		1021
879	0	1022	0
880	}	1023	}
881		1024
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1026
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1028
886	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
887		1030
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	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	1032	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1034
892	=back	1035	=back
893		1036
894	=cut	1037	=cut
895		1038
896	#############################################################################	1039	#############################################################################
897	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
898		1083
899	sub reattach {	1084	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1086	my ($obj) = @_;
902		1087
…		…
923	cf::attachable->attach (	1108	cf::attachable->attach (
924	prio => -1000000,	1109	prio => -1000000,
925	on_instantiate => sub {	1110	on_instantiate => sub {
926	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
927		1112
928	$data = from_json $data;	1113	$data = decode_json $data;
929		1114
930	for (@$data) {	1115	for (@$data) {
931	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
932		1117
933	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1134	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
951		1136
952	sync_job {	1137	sync_job {
953	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
956		1142
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1147	close $fh;
962		1148
963	if (@$objs) {	1149	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1155	close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
971	}	1157	}
…		…
979	}	1165	}
980	} else {	1166	} else {
981	aio_unlink $filename;	1167	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
983	}	1169	}
984	}	1170	};
985	}	1171	}
986		1172
987	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
989		1175
…		…
1001	or return;	1187	or return;
1002		1188
1003	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1191	or return;
		1192
1006	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1007	}	1195	}
1008		1196
		1197	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1011	return ($data, $av);	1201	($data, $av)
1012	}	1202	}
1013		1203
1014	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1015		1205
1016	=over 4	1206	=over 4
…		…
1089	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1090		1280
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1282
1093	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1099	} else {	1298	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1300	}
1102		1301
1103	cf::override;	1302	cf::override;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1158		1357
1159	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1359	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1361	}
1164		1362
1165	warn $msg;	1363	warn $msg;
1166	}	1364	}
1167		1365
…		…
1192	use Coro::AIO;	1390	use Coro::AIO;
1193		1391
1194	=head3 cf::player	1392	=head3 cf::player
1195		1393
1196	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1197		1409
1198	=item cf::player::find $login	1410	=item cf::player::find $login
1199		1411
1200	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1201		1413
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1453
1242	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1245	}	1462	}
1246	}	1463	}
1247	}	1464	}
1248		1465
…		…
1258		1475
1259	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1261		1478
1262	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1263	Coro::cede;	1480	cf::cede_to_tick;
1264	}	1481	}
1265		1482
1266	sub new($) {	1483	sub new($) {
1267	my ($login) = @_;	1484	my ($login) = @_;
1268		1485
…		…
1272	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1273		1490
1274	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1275		1492
1276	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1277	}	1504	}
1278		1505
1279	=item $pl->quit_character	1506	=item $pl->quit_character
1280		1507
1281	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1336	or return [];	1563	or return [];
1337		1564
1338	my @logins;	1565	my @logins;
1339		1566
1340	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1344		1576
1345	utf8::decode $login;	1577	utf8::decode $login;
1346	push @logins, $login;	1578	push @logins, $login;
1347	}	1579	}
1348		1580
…		…
1381		1613
1382	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1383		1615
1384	=cut	1616	=cut
1385		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1386	sub expand_cfpod {	1629	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1388		1631
1389	# escape & and <	1632	my $xml;
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392		1633
1393	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1394		1637
1395	1 while	1638	$group =~ s/&/&amp;/g;
1396	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1397	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1400	# replace G<male|female> tags	1643	([BCGHITU])
1401	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1402	$self->gender ? $2 : $1	1645	(?:
1403	}ge	1646	([^<>]*) (?{ $group = $^N })
1404	# replace H<hint text>	1647	| < $interior >
1405	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1406	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")	1671	"")
1410	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1411	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1412		1683
		1684	for ($xml) {
1413	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1415		1687
1416	# compress some whitespace	1688	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;	1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
1418		1694
1419	$_	1695	$xml
1420	}	1696	}
		1697
		1698	no re 'eval';
1421		1699
1422	sub hintmode {	1700	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}	1702	$_[0]{hintmode}
1425	}	1703	}
1426		1704
1427	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1428		1706
1429	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1430		1708
1431	=cut	1709	=cut
1432		1710
1433	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1435		1713
1436	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1715	}
1439		1716
1440	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1441		1718
1442	Sends an ext event to the client.	1719	Sends an ext event to the client.
1443		1720
1444	=cut	1721	=cut
1445		1722
1446	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1448		1725
1449	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1450	}	1727	}
1451		1728
1452	=head3 cf::region	1729	=head3 cf::region
1453		1730
1454	=over 4	1731	=over 4
…		…
1467	my ($path) = @_;	1744	my ($path) = @_;
1468		1745
1469	my ($match, $specificity);	1746	my ($match, $specificity);
1470		1747
1471	for my $region (list) {	1748	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1475	}	1752	}
1476	}	1753	}
1477		1754
…		…
1498	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1500		1777
1501	sub generate_random_map {	1778	sub generate_random_map {
1502	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1503	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1504	$self->_create_random_map (	1784	$self->_create_random_map (
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1597	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1598	return $self;	1878	return $self;
1599	}	1879	}
1600	}	1880	}
1601		1881
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1603	()	1883	()
1604	}	1884	}
1605		1885
1606	sub init {	1886	sub init {
1607	my ($self) = @_;	1887	my ($self) = @_;
…		…
1629		1909
1630	# the temporary/swap location	1910	# the temporary/swap location
1631	sub save_path {	1911	sub save_path {
1632	my ($self) = @_;	1912	my ($self) = @_;
1633		1913
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1636	}	1916	}
1637		1917
1638	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1639	sub uniq_path {	1919	sub uniq_path {
1640	my ($self) = @_;	1920	my ($self) = @_;
1641		1921
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1644	}	1924	}
1645		1925
1646	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1647	# all maps in C++...	1927	# all maps in C++...
…		…
1670		1950
1671	sub load_header_from($) {	1951	sub load_header_from($) {
1672	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1673		1953
1674	utf8::encode $path;	1954	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1680		1963
1681	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1682		1965
1683	1	1966	1
1684	}	1967	}
…		…
1738	sub find {	2021	sub find {
1739	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1740		2023
1741	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1742		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1744		2028
1745	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1747	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1748	or return;	2034	or return;
1749		2035
1750	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1751		2037
…		…
1753	or return;	2039	or return;
1754		2040
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1758	$map->reset;	2046	$map->reset;
1759	undef $guard;
1760	return find $path;	2047	return find $path;
1761	}	2048	}
1762		2049
1763	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1764	}	2051	}
…		…
1773	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1774		2061
1775	my $path = $self->{path};	2062	my $path = $self->{path};
1776		2063
1777	{	2064	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1779		2066
		2067	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1781		2069
1782	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1783		2071
1784	$self->alloc;	2072	$self->alloc;
1785		2073
1786	$self->pre_load;	2074	$self->pre_load;
1787	Coro::cede;	2075	cf::cede_to_tick;
1788		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1789	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1790	or return;	2080	or return;
1791		2081
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1793	if delete $self->{load_original};	2083	if delete $self->{load_original};
1794		2084
1795	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2086	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2089	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1800	}	2093	}
1801	}	2094	}
1802		2095
1803	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1804	# now do the right thing for maps	2099	# now do the right thing for maps
1805	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2102	unless $self->difficulty;
1808	Coro::cede;	2103	cf::cede_to_tick;
1809		2104
1810	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2106	$self->decay_objects;
1812	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1813	$self->update_buttons;	2108	$self->update_buttons;
1814	Coro::cede;	2109	cf::cede_to_tick;
1815	$self->set_darkness_map;	2110	$self->set_darkness_map;
1816	Coro::cede;	2111	cf::cede_to_tick;
1817	$self->activate;	2112	$self->activate;
1818	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1819		2117
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1821	}	2119	}
1822		2120
1823	$self->post_load;	2121	$self->post_load;
…		…
1834		2132
1835	$self	2133	$self
1836	}	2134	}
1837		2135
1838	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1839	sub load_diag {	2137	sub load_neighbours {
1840	my ($map) = @_;	2138	my ($map) = @_;
1841		2139
1842	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1843		2141
1844	for (0 .. 3) {	2142	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1846	or next;	2144	or next;
1847	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1848	or next;	2146	or next;
1849	$neigh->load;	2147	$neigh->load;
1850		2148
		2149	push @neigh,
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}	2152	}
1854		2153
1855	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1856	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1857	or next;	2157	or next;
1858	$neigh->load;	2158	$neigh->load;
1859	}	2159	}
1860	}	2160	}
1861		2161
…		…
1866	}	2166	}
1867		2167
1868	sub do_load_sync {	2168	sub do_load_sync {
1869	my ($map) = @_;	2169	my ($map) = @_;
1870		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1871	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1872	}	2175	}
1873		2176
1874	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1876		2179
1877	sub find_async {	2180	sub find_async {
1878	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1879		2182
1880	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1881		2184
1882	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1884	}	2187	}
1885		2188
1886	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1887	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1888	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2196	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2197	$map->load if $v;
		2198	}
1893		2199
1894	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1895	}	2201	}
1896	}	2202	}
1897	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1898	};	2204	};
1899	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1902	}	2208	}
1903		2209
1904	sub save {	2210	sub save {
1905	my ($self) = @_;	2211	my ($self) = @_;
1906		2212
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1908		2214
1909	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1910		2216
1911	return unless $self->dirty;	2217	return unless $self->dirty;
1912		2218
…		…
1918	return if $self->{deny_save};	2224	return if $self->{deny_save};
1919		2225
1920	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1921		2227
1922	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1924	};	2231	};
1925		2232
1926	if ($uniq) {	2233	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1935	my ($self) = @_;	2242	my ($self) = @_;
1936		2243
1937	# save first because save cedes	2244	# save first because save cedes
1938	$self->save;	2245	$self->save;
1939		2246
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2248
1942	return if $self->players;	2249	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1944	return if $self->{deny_save};	2251	return if $self->{deny_save};
1945		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1946	$self->clear;	2257	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2258	}
1949		2259
1950	sub reset_at {	2260	sub reset_at {
1951	my ($self) = @_;	2261	my ($self) = @_;
1952		2262
…		…
1984	if $uniq;	2294	if $uniq;
1985	}	2295	}
1986		2296
1987	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1988		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2301	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2302
1993	$self->unlink_save;	2303	$self->unlink_save;
1994	$self->destroy;	2304	$self->destroy;
1995	}	2305	}
1996		2306
1997	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1998		2308
1999	sub nuke {	2309	sub nuke {
2000	my ($self) = @_;	2310	my ($self) = @_;
2001		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2002	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2003		2316
2004	$self->unlink_save;	2317	$self->unlink_save;
2005		2318
2006	bless $self, "cf::map";	2319	bless $self, "cf::map";
2007	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2324
2012	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2013		2327
2014	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2015	}	2329	}
2016		2330
2017	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2059		2373
2060	sub unique_maps() {	2374	sub unique_maps() {
2061	[	2375	[
2062	map {	2376	map {
2063	utf8::decode $_;	2377	utf8::decode $_;
2064	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
2065	? normalise $_	2381	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2383	]
2069	}	2384	}
2070		2385
2071	package cf;
2072
2073	=back	2386	=back
2074		2387
2075	=head3 cf::object	2388	=head3 cf::object
2076		2389
2077	=cut	2390	=cut
…		…
2080		2393
2081	=over 4	2394	=over 4
2082		2395
2083	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2084		2397
2085	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
2086		2400
2087	=cut	2401	=cut
2088		2402
2089	sub inv_recursive_;	2403	sub inv_recursive_;
2090	sub inv_recursive_ {	2404	sub inv_recursive_ {
2091	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
2092	}	2406	}
2093		2407
2094	sub inv_recursive {	2408	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
2096	}	2438	}
2097		2439
2098	package cf;	2440	package cf;
2099		2441
2100	=back	2442	=back
…		…
2124		2466
2125	} else {	2467	} else {
2126	my $pl = $self->contr;	2468	my $pl = $self->contr;
2127		2469
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2471	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2473
2137	} else {	2474	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
2140	}	2477	}
2141	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
2142	}	2489	}
2143		2490
2144	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
2145		2492
2146	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2225	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2228		2575
2229	$map->load;	2576	$map->load;
2230	$map->load_diag;	2577	$map->load_neighbours;
2231		2578
2232	return unless $self->contr->active;	2579	return unless $self->contr->active;
2233	$self->activate_recursive;	2580	$self->activate_recursive;
2234		2581
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
2237	}	2584	}
2238		2585
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2240		2587
2241	Moves the player to the given map-path and coordinates by first freezing	2588	Moves the player to the given map-path and coordinates by first freezing
2242	her, loading and preparing them map, calling the provided $check callback	2589	her, loading and preparing them map, calling the provided $check callback
2243	that has to return the map if sucecssful, and then unfreezes the player on	2590	that has to return the map if sucecssful, and then unfreezes the player on
2244	the new (success) or old (failed) map position.	2591	the new (success) or old (failed) map position. In either case, $done will
		2592	be called at the end of this process.
2245		2593
2246	=cut	2594	=cut
2247		2595
2248	our $GOTOGEN;	2596	our $GOTOGEN;
2249		2597
2250	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
2251	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
2252		2600
2253	# do generation counting so two concurrent goto's will be executed in-order	2601	# do generation counting so two concurrent goto's will be executed in-order
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2603
2256	$self->enter_link;	2604	$self->enter_link;
2257		2605
2258	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2259	my $map = eval {	2628	my $map = eval {
2260	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2261		2630
2262	if ($map) {	2631	if ($map) {
2263	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2265	} else {	2634	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2636	}
2268		2637
2269	$map	2638	$map
2270	};	2639	};
2271		2640
…		…
2276		2645
2277	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2280	}	2649	}
		2650
		2651	$done->() if $done;
2281	})->prio (1);	2652	})->prio (1);
2282	}	2653	}
2283		2654
2284	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2285		2656
…		…
2322	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2323	}	2694	}
2324		2695
2325	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2326		2697
2327	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2328	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2330		2701
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2354	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2356		2727
2357	$self->enter_link;	2728	$self->enter_link;
2358		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2359	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2360	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2361	unless (eval {	2738	unless (eval {
2362	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2363		2740
2364	1;	2741	1;
…		…
2390		2767
2391	utf8::encode $text;	2768	utf8::encode $text;
2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393	}	2770	}
2394		2771
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		2773
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	2774	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	2775	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	2776	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	2777	the message unless the client supports the msg packet.
2401		2778
2402	=cut	2779	=cut
2403		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
2404	sub cf::client::send_msg {	2833	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	2834	my ($self, $channel, $msg, $color, @extra) = @_;
2406		2835
2407	$msg = $self->pl->expand_cfpod ($msg);	2836	$msg = $self->pl->expand_cfpod ($msg);
2408		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
2409	if ($self->can_msg) {	2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2411	} else {	2869	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421
2422	if ($color >= 0) {	2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
2423	if (0 && $msg =~ /\[/) {	2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
2425	} else {	2888	} else {
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2427	$self->send_packet ("drawinfo $color $msg")	2890	$self->send_packet ("drawinfo $color $msg")
2428	}	2891	}
2429	}	2892	}
2430	}	2893	}
2431	}	2894	}
2432		2895
2433	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2434		2897
2435	Sends an ext event to the client.	2898	Sends an ext event to the client.
2436		2899
2437	=cut	2900	=cut
2438		2901
2439	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2441		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2442	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2444	}	2929	}
2445		2930
2446	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2447		2932
2448	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	2988	my ($ns, $buf) = @_;
2504		2989
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		2991
2507	if (ref $msg) {	2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3000	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3001	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
2514	} else {	3007	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3009	}
2517		3010
2518	cf::override;	3011	cf::override;
…		…
2565	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2567		3060
2568	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2569		3062
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2571		3068
2572	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2573		3070
2574	=pod	3071	=pod
2575		3072
2576	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2577		3074
2578	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2579	cf::object::player player	3079	cf::object::player
2580	cf::player peaceful	3080	player
2581	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2582		3087
2583	=cut	3088	=cut
2584		3089
2585	for (	3090	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2587	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2589	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2590	) {	3097	) {
2591	no strict 'refs';	3098	no strict 'refs';
…		…
2667	# the server's init and main functions	3174	# the server's init and main functions
2668		3175
2669	sub load_facedata($) {	3176	sub load_facedata($) {
2670	my ($path) = @_;	3177	my ($path) = @_;
2671		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3184
2672	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2673		3186
2674	my $facedata;	3187	my $facedata;
2675	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
2676	or die "$path: $!";	3189	or die "$path: $!";
…		…
2678	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2679		3192
2680	$facedata->{version} == 2	3193	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2683	{	3203	{
2684	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2685		3205
2686	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2691	Coro::cede;	3213
		3214	cf::cede_to_tick;
2692	}	3215	}
2693		3216
2694	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2696	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2697	or next;	3221	or next;
		3222
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3226	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3228	}
2703	Coro::cede;	3229
		3230	cf::cede_to_tick;
2704	}	3231	}
2705	}	3232	}
2706		3233
2707	{	3234	{
2708	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2709		3236
2710	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3239	cf::cede_to_tick;
2713	}	3240	}
2714		3241
2715	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2716	}	3243	}
2717		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2718	1	3280	1
2719	}	3281	}
2720		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2721	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2722	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2724	}	3323	}
2725		3324
2726	sub reload_facedata {	3325	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
…		…
2757		3356
2758	sub init {	3357	sub init {
2759	reload_resources;	3358	reload_resources;
2760	}	3359	}
2761		3360
2762	sub cfg_load {	3361	sub reload_config {
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2764	or return;	3363	or return;
2765		3364
2766	local $/;	3365	local $/;
2767	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2768		3367
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2770		3369
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2783	sub main {	3382	sub main {
2784	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3386	(async {
2788	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2790	};	3390	};
2791		3391
2792	cfg_load;	3392	reload_config;
2793	db_init;	3393	db_init;
2794	load_extensions;	3394	load_extensions;
2795		3395
2796	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2797	Event::loop;	3398	EV::loop;
2798	}	3399	}
2799		3400
2800	#############################################################################	3401	#############################################################################
2801	# initialisation and cleanup	3402	# initialisation and cleanup
2802		3403
2803	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2804	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2813	},
2814	);	3410	};
2815	}	3411	}
2816	}	3412	}
2817		3413
2818	sub write_runtime {	3414	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
2820		3416
2821	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
2823		3419
…		…
2849	and return;	3445	and return;
2850		3446
2851	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
2852		3448
2853	1	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2854	}	3493	}
2855		3494
2856	sub emergency_save() {	3495	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2858		3497
…		…
2864	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2866	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3509	$pl->save;
2870	}	3510	}
2871	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2872		3512
2873	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2879	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2880		3520
2881	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2884	};	3528	};
2885		3529
2886	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2887	}	3531	}
2888		3532
…		…
2903	warn "reloading...";	3547	warn "reloading...";
2904		3548
2905	warn "entering sync_job";	3549	warn "entering sync_job";
2906		3550
2907	cf::sync_job {	3551	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2909	cf::emergency_save;	3553	cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2911		3555
2912	warn "syncing database to disk";	3556	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2914		3558
2915	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2916
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921		3560
2922	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2923	for (;;) {	3562	for (;;) {
2924	BDB::flush;	3563	BDB::flush;
2925	IO::AIO::flush;	3564	IO::AIO::flush;
2926	Coro::cede;	3565	Coro::cede_notself;
2927	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2928	warn "iterate...";	3567	warn "iterate...";
2929	}	3568	}
2930		3569
2931	++$RELOAD;	3570	++$RELOAD;
…		…
2990	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2991	require cf;	3630	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2993		3632
2994	warn "loading config and database again";	3633	warn "loading config and database again";
2995	cf::cfg_load;	3634	cf::reload_config;
2996		3635
2997	warn "loading extensions";	3636	warn "loading extensions";
2998	cf::load_extensions;	3637	cf::load_extensions;
2999		3638
3000	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
3007	warn "leaving sync_job";	3646	warn "leaving sync_job";
3008		3647
3009	1	3648	1
3010	} or do {	3649	} or do {
3011	warn $@;	3650	warn $@;
3012	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
3013	exit 1;
3014	};	3652	};
3015		3653
3016	warn "reloaded";	3654	warn "reloaded";
3017	};	3655	};
3018		3656
…		…
3020		3658
3021	sub reload_perl() {	3659	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
3024		3662
3025	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3026	reentrant => 0,
3027	after => 0,
3028	data => WF_AUTOCANCEL,
3029	cb => sub {
3030	do_reload_perl;	3664	do_reload_perl;
3031	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
3032	},
3033	);	3666	};
3034	}	3667	}
3035		3668
3036	register_command "reload" => sub {	3669	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
3038		3671
3039	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	3676	reload_perl;
		3677	};
3042	}	3678	}
3043	};	3679	};
3044		3680
3045	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
3046		3682
…		…
3048		3684
3049	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
3051		3687
3052	sub wait_for_tick {	3688	sub wait_for_tick {
3053	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
3054	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
3055		3691
3056	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
3057	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;	3694	$signal->wait;
3059	}	3695	}
3060		3696
3061	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
3062	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
3063	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
3064		3700
3065	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	3703	$signal->wait;
3068	}	3704	}
3069		3705
3070	my $min = 1e6;#d#	3706	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
3082	return;	3710	return;
3083	}	3711	}
3084		3712
3085	$NOW = $tick_start = Event::time;
3086
3087	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
3088		3714
3089	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3090	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3091	my $t = Event::time;	3717	Coro::async_pool {
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
3093	or die;	3719	write_runtime_sync
3094		3720	or warn "ERROR: unable to write runtime file: $!";
3095	$map->width (50);
3096	$map->height (50);
3097	$map->alloc;
3098	$map->_load_objects ("/tmp/x.map", 1);
3099	my $t = Event::time - $t;
3100
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	3721	};
		3722	}
3111		3723
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	3725	$sig->send;
3128	}	3726	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
3130	$sig->send;	3728	$sig->send;
3131	}	3729	}
3132		3730
3133	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		3733
3144	_post_tick;	3734	if (0) {
3145		3735	if ($NEXT_TICK) {
3146		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
3147	},	3740	}
3148	);	3741	}
3149		3742
3150	{	3743	{
3151	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	3745
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3161		3747	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		3749
3177	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		3756
3180	cf::sync_job {	3757	cf::sync_job {
3181	eval {	3758	eval {
3182	BDB::db_env_open	3759	BDB::db_env_open
3183	$DB_ENV,	3760	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	3764	0666;
3188		3765
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	3767	};
3194		3768
3195	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	3770	};
3197	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3198	}	3782	}
3199		3783
3200	{	3784	{
		3785	# configure IO::AIO
		3786
3201	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	3790	}
3214		3791
3215	my $_log_backtrace;	3792	my $_log_backtrace;
3216		3793
3217	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3221		3798
3222	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3224	++$_log_backtrace;	3801	++$_log_backtrace;
3225	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3226	my @bt = fork_call {	3805	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	3809	or die "addr2line: $!";

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