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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 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	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}	1702	$_[0]{hintmode}
1426	}	1703	}
1427		1704
1428	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1429		1706
1430	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1431		1708
1432	=cut	1709	=cut
1433		1710
1434	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1436		1713
1437	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1715	}
1440		1716
1441	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1442		1718
1443	Sends an ext event to the client.	1719	Sends an ext event to the client.
1444		1720
1445	=cut	1721	=cut
1446		1722
1447	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1449		1725
1450	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1451	}	1727	}
1452		1728
1453	=head3 cf::region	1729	=head3 cf::region
1454		1730
1455	=over 4	1731	=over 4
…		…
1468	my ($path) = @_;	1744	my ($path) = @_;
1469		1745
1470	my ($match, $specificity);	1746	my ($match, $specificity);
1471		1747
1472	for my $region (list) {	1748	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1476	}	1752	}
1477	}	1753	}
1478		1754
…		…
1499	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1501		1777
1502	sub generate_random_map {	1778	sub generate_random_map {
1503	my ($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
1504	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1505	$self->_create_random_map (	1784	$self->_create_random_map (
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1598	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1599	return $self;	1878	return $self;
1600	}	1879	}
1601	}	1880	}
1602		1881
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1604	()	1883	()
1605	}	1884	}
1606		1885
1607	sub init {	1886	sub init {
1608	my ($self) = @_;	1887	my ($self) = @_;
…		…
1630		1909
1631	# the temporary/swap location	1910	# the temporary/swap location
1632	sub save_path {	1911	sub save_path {
1633	my ($self) = @_;	1912	my ($self) = @_;
1634		1913
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1637	}	1916	}
1638		1917
1639	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1640	sub uniq_path {	1919	sub uniq_path {
1641	my ($self) = @_;	1920	my ($self) = @_;
1642		1921
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1645	}	1924	}
1646		1925
1647	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1648	# all maps in C++...	1927	# all maps in C++...
…		…
1671		1950
1672	sub load_header_from($) {	1951	sub load_header_from($) {
1673	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1674		1953
1675	utf8::encode $path;	1954	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	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;
1681		1963
1682	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1683		1965
1684	1	1966	1
1685	}	1967	}
…		…
1739	sub find {	2021	sub find {
1740	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1741		2023
1742	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1743		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1745		2028
1746	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1747	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
1748	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1749	or return;	2034	or return;
1750		2035
1751	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1752		2037
…		…
1754	or return;	2039	or return;
1755		2040
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1759	$map->reset;	2046	$map->reset;
1760	undef $guard;
1761	return find $path;	2047	return find $path;
1762	}	2048	}
1763		2049
1764	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1765	}	2051	}
…		…
1774	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1775		2061
1776	my $path = $self->{path};	2062	my $path = $self->{path};
1777		2063
1778	{	2064	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1780		2066
		2067	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1782		2069
1783	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1784		2071
1785	$self->alloc;	2072	$self->alloc;
1786		2073
1787	$self->pre_load;	2074	$self->pre_load;
1788	Coro::cede;	2075	cf::cede_to_tick;
1789		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1790	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1791	or return;	2080	or return;
1792		2081
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1794	if delete $self->{load_original};	2083	if delete $self->{load_original};
1795		2084
1796	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2086	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2089	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1801	}	2093	}
1802	}	2094	}
1803		2095
1804	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1805	# now do the right thing for maps	2099	# now do the right thing for maps
1806	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2102	unless $self->difficulty;
1809	Coro::cede;	2103	cf::cede_to_tick;
1810		2104
1811	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2106	$self->decay_objects;
1813	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1814	$self->update_buttons;	2108	$self->update_buttons;
1815	Coro::cede;	2109	cf::cede_to_tick;
1816	$self->set_darkness_map;	2110	$self->set_darkness_map;
1817	Coro::cede;	2111	cf::cede_to_tick;
1818	$self->activate;	2112	$self->activate;
1819	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1820		2117
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1822	}	2119	}
1823		2120
1824	$self->post_load;	2121	$self->post_load;
…		…
1835		2132
1836	$self	2133	$self
1837	}	2134	}
1838		2135
1839	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {	2137	sub load_neighbours {
1841	my ($map) = @_;	2138	my ($map) = @_;
1842		2139
1843	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1844		2141
1845	for (0 .. 3) {	2142	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1847	or next;	2144	or next;
1848	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1849	or next;	2146	or next;
1850	$neigh->load;	2147	$neigh->load;
1851		2148
		2149	push @neigh,
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}	2152	}
1855		2153
1856	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1857	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1858	or next;	2157	or next;
1859	$neigh->load;	2158	$neigh->load;
1860	}	2159	}
1861	}	2160	}
1862		2161
…		…
1867	}	2166	}
1868		2167
1869	sub do_load_sync {	2168	sub do_load_sync {
1870	my ($map) = @_;	2169	my ($map) = @_;
1871		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1872	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1873	}	2175	}
1874		2176
1875	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1877		2179
1878	sub find_async {	2180	sub find_async {
1879	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1880		2182
1881	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1882		2184
1883	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1885	}	2187	}
1886		2188
1887	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1888	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1889	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2196	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2197	$map->load if $v;
		2198	}
1894		2199
1895	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1896	}	2201	}
1897	}	2202	}
1898	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1899	};	2204	};
1900	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1903	}	2208	}
1904		2209
1905	sub save {	2210	sub save {
1906	my ($self) = @_;	2211	my ($self) = @_;
1907		2212
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1909		2214
1910	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1911		2216
1912	return unless $self->dirty;	2217	return unless $self->dirty;
1913		2218
…		…
1919	return if $self->{deny_save};	2224	return if $self->{deny_save};
1920		2225
1921	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1922		2227
1923	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1925	};	2231	};
1926		2232
1927	if ($uniq) {	2233	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1936	my ($self) = @_;	2242	my ($self) = @_;
1937		2243
1938	# save first because save cedes	2244	# save first because save cedes
1939	$self->save;	2245	$self->save;
1940		2246
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2248
1943	return if $self->players;	2249	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1945	return if $self->{deny_save};	2251	return if $self->{deny_save};
1946		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1947	$self->clear;	2257	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2258	}
1950		2259
1951	sub reset_at {	2260	sub reset_at {
1952	my ($self) = @_;	2261	my ($self) = @_;
1953		2262
…		…
1985	if $uniq;	2294	if $uniq;
1986	}	2295	}
1987		2296
1988	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1989		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2301	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2302
1994	$self->unlink_save;	2303	$self->unlink_save;
1995	$self->destroy;	2304	$self->destroy;
1996	}	2305	}
1997		2306
1998	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1999		2308
2000	sub nuke {	2309	sub nuke {
2001	my ($self) = @_;	2310	my ($self) = @_;
2002		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2003	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2004		2316
2005	$self->unlink_save;	2317	$self->unlink_save;
2006		2318
2007	bless $self, "cf::map";	2319	bless $self, "cf::map";
2008	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2324
2013	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2014		2327
2015	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2016	}	2329	}
2017		2330
2018	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2060		2373
2061	sub unique_maps() {	2374	sub unique_maps() {
2062	[	2375	[
2063	map {	2376	map {
2064	utf8::decode $_;	2377	utf8::decode $_;
2065	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
2066	? normalise $_	2381	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2383	]
2070	}	2384	}
2071		2385
2072	package cf;
2073
2074	=back	2386	=back
2075		2387
2076	=head3 cf::object	2388	=head3 cf::object
2077		2389
2078	=cut	2390	=cut
…		…
2081		2393
2082	=over 4	2394	=over 4
2083		2395
2084	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2085		2397
2086	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.
2087		2400
2088	=cut	2401	=cut
2089		2402
2090	sub inv_recursive_;	2403	sub inv_recursive_;
2091	sub inv_recursive_ {	2404	sub inv_recursive_ {
2092	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
2093	}	2406	}
2094		2407
2095	sub inv_recursive {	2408	sub inv_recursive {
2096	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	}
2097	}	2438	}
2098		2439
2099	package cf;	2440	package cf;
2100		2441
2101	=back	2442	=back
…		…
2125		2466
2126	} else {	2467	} else {
2127	my $pl = $self->contr;	2468	my $pl = $self->contr;
2128		2469
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2471	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2473
2138	} else {	2474	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
2141	}	2477	}
2142	}	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 (@_);
2143	}	2489	}
2144		2490
2145	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
2146		2492
2147	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2226	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2229		2575
2230	$map->load;	2576	$map->load;
2231	$map->load_diag;	2577	$map->load_neighbours;
2232		2578
2233	return unless $self->contr->active;	2579	return unless $self->contr->active;
2234	$self->activate_recursive;	2580	$self->activate_recursive;
2235		2581
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
2238	}	2584	}
2239		2585
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2241		2587
2242	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
2243	her, loading and preparing them map, calling the provided $check callback	2589	her, loading and preparing them map, calling the provided $check callback
2244	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
2245	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.
2246		2593
2247	=cut	2594	=cut
2248		2595
2249	our $GOTOGEN;	2596	our $GOTOGEN;
2250		2597
2251	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
2253		2600
2254	# 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
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2603
2257	$self->enter_link;	2604	$self->enter_link;
2258		2605
2259	(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
2260	my $map = eval {	2628	my $map = eval {
2261	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2262		2630
2263	if ($map) {	2631	if ($map) {
2264	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2266	} else {	2634	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2636	}
2269		2637
2270	$map	2638	$map
2271	};	2639	};
2272		2640
…		…
2277		2645
2278	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2281	}	2649	}
		2650
		2651	$done->() if $done;
2282	})->prio (1);	2652	})->prio (1);
2283	}	2653	}
2284		2654
2285	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2286		2656
…		…
2323	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2324	}	2694	}
2325		2695
2326	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2327		2697
2328	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2329	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2331		2701
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2355	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2357		2727
2358	$self->enter_link;	2728	$self->enter_link;
2359		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
2360	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2361	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2362	unless (eval {	2738	unless (eval {
2363	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2364		2740
2365	1;	2741	1;
…		…
2391		2767
2392	utf8::encode $text;	2768	utf8::encode $text;
2393	$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);
2394	}	2770	}
2395		2771
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		2773
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	2774	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	2775	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	2776	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	2777	the message unless the client supports the msg packet.
2402		2778
2403	=cut	2779	=cut
2404		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
2405	sub cf::client::send_msg {	2833	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	2834	my ($self, $channel, $msg, $color, @extra) = @_;
2407		2835
2408	$msg = $self->pl->expand_cfpod ($msg);	2836	$msg = $self->pl->expand_cfpod ($msg);
2409		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 $msg;
		2861
2410	if ($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
2411	$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, $msg, @extra]));
2412	} else {	2869	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422
2423	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
2424	if (0 && $msg =~ /\[/) {	2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
2426	} else {	2888	} else {
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2428	$self->send_packet ("drawinfo $color $msg")	2890	$self->send_packet ("drawinfo $color $msg")
2429	}	2891	}
2430	}	2892	}
2431	}	2893	}
2432	}	2894	}
2433		2895
2434	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2435		2897
2436	Sends an ext event to the client.	2898	Sends an ext event to the client.
2437		2899
2438	=cut	2900	=cut
2439		2901
2440	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2442		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2444	$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	}
2445	}	2929	}
2446		2930
2447	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2448		2932
2449	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	2988	my ($ns, $buf) = @_;
2505		2989
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		2991
2508	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
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3000	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	3001	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
2515	} else {	3007	} else {
2516	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";
2517	}	3009	}
2518		3010
2519	cf::override;	3011	cf::override;
…		…
2566	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2568		3060
2569	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2570		3062
2571	$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	));
2572		3068
2573	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2574		3070
2575	=pod	3071	=pod
2576		3072
2577	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2578		3074
2579	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
2580	cf::object::player player	3079	cf::object::player
2581	cf::player peaceful	3080	player
2582	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2583		3087
2584	=cut	3088	=cut
2585		3089
2586	for (	3090	for (
2587	["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)],
2588	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2590	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2591	) {	3097	) {
2592	no strict 'refs';	3098	no strict 'refs';
…		…
2668	# the server's init and main functions	3174	# the server's init and main functions
2669		3175
2670	sub load_facedata($) {	3176	sub load_facedata($) {
2671	my ($path) = @_;	3177	my ($path) = @_;
2672		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
2673	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2674		3186
2675	my $facedata;	3187	my $facedata;
2676	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
2677	or die "$path: $!";	3189	or die "$path: $!";
…		…
2679	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2680		3192
2681	$facedata->{version} == 2	3193	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		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
2684	{	3203	{
2685	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2686		3205
2687	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2692	Coro::cede;	3213
		3214	cf::cede_to_tick;
2693	}	3215	}
2694		3216
2695	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2697	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2698	or next;	3221	or next;
		3222
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3226	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3228	}
2704	Coro::cede;	3229
		3230	cf::cede_to_tick;
2705	}	3231	}
2706	}	3232	}
2707		3233
2708	{	3234	{
2709	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2710		3236
2711	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3239	cf::cede_to_tick;
2714	}	3240	}
2715		3241
2716	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2717	}	3243	}
2718		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
2719	1	3280	1
2720	}	3281	}
2721		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
2722	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
2723	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2724	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	}
2725	}	3323	}
2726		3324
2727	sub reload_facedata {	3325	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
…		…
2758		3356
2759	sub init {	3357	sub init {
2760	reload_resources;	3358	reload_resources;
2761	}	3359	}
2762		3360
2763	sub cfg_load {	3361	sub reload_config {
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2765	or return;	3363	or return;
2766		3364
2767	local $/;	3365	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2769		3367
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2771		3369
2772	$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};
2773	$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};
…		…
2784	sub main {	3382	sub main {
2785	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2787	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#
2788	(async {	3386	(async {
2789	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2791	};	3390	};
2792		3391
2793	cfg_load;	3392	reload_config;
2794	db_init;	3393	db_init;
2795	load_extensions;	3394	load_extensions;
2796		3395
2797	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2798	Event::loop;	3398	EV::loop;
2799	}	3399	}
2800		3400
2801	#############################################################################	3401	#############################################################################
2802	# initialisation and cleanup	3402	# initialisation and cleanup
2803		3403
2804	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2805	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2814	},
2815	);	3410	};
2816	}	3411	}
2817	}	3412	}
2818		3413
2819	sub write_runtime {	3414	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
2821		3416
2822	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
2824		3419
…		…
2850	and return;	3445	and return;
2851		3446
2852	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
2853		3448
2854	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 };
2855	}	3493	}
2856		3494
2857	sub emergency_save() {	3495	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2859		3497
…		…
2865	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2867	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3509	$pl->save;
2871	}	3510	}
2872	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2873		3512
2874	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2880	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2881		3520
2882	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2884	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";
2885	};	3528	};
2886		3529
2887	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2888	}	3531	}
2889		3532
…		…
2904	warn "reloading...";	3547	warn "reloading...";
2905		3548
2906	warn "entering sync_job";	3549	warn "entering sync_job";
2907		3550
2908	cf::sync_job {	3551	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2910	cf::emergency_save;	3553	cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2912		3555
2913	warn "syncing database to disk";	3556	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2915		3558
2916	# 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
2917
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922		3560
2923	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2924	for (;;) {	3562	for (;;) {
2925	BDB::flush;	3563	BDB::flush;
2926	IO::AIO::flush;	3564	IO::AIO::flush;
2927	Coro::cede;	3565	Coro::cede_notself;
2928	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2929	warn "iterate...";	3567	warn "iterate...";
2930	}	3568	}
2931		3569
2932	++$RELOAD;	3570	++$RELOAD;
…		…
2991	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2992	require cf;	3630	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2994		3632
2995	warn "loading config and database again";	3633	warn "loading config and database again";
2996	cf::cfg_load;	3634	cf::reload_config;
2997		3635
2998	warn "loading extensions";	3636	warn "loading extensions";
2999	cf::load_extensions;	3637	cf::load_extensions;
3000		3638
3001	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
3008	warn "leaving sync_job";	3646	warn "leaving sync_job";
3009		3647
3010	1	3648	1
3011	} or do {	3649	} or do {
3012	warn $@;	3650	warn $@;
3013	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
3014	exit 1;
3015	};	3652	};
3016		3653
3017	warn "reloaded";	3654	warn "reloaded";
3018	};	3655	};
3019		3656
…		…
3021		3658
3022	sub reload_perl() {	3659	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
3025		3662
3026	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3027	reentrant => 0,
3028	after => 0,
3029	data => WF_AUTOCANCEL,
3030	cb => sub {
3031	do_reload_perl;	3664	do_reload_perl;
3032	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
3033	},
3034	);	3666	};
3035	}	3667	}
3036		3668
3037	register_command "reload" => sub {	3669	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
3039		3671
3040	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	3676	reload_perl;
		3677	};
3043	}	3678	}
3044	};	3679	};
3045		3680
3046	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
3047		3682
…		…
3049		3684
3050	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
3052		3687
3053	sub wait_for_tick {	3688	sub wait_for_tick {
3054	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
3055	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
3056		3691
3057	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
3058	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;	3694	$signal->wait;
3060	}	3695	}
3061		3696
3062	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
3063	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
3064	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
3065		3700
3066	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	3703	$signal->wait;
3069	}	3704	}
3070		3705
3071	my $min = 1e6;#d#	3706	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
3083	return;	3710	return;
3084	}	3711	}
3085		3712
3086	$NOW = $tick_start = Event::time;
3087
3088	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
3089		3714
3090	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3091	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3092	my $t = Event::time;	3717	Coro::async_pool {
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
3094	or die;	3719	write_runtime_sync
3095		3720	or warn "ERROR: unable to write runtime file: $!";
3096	$map->width (50);
3097	$map->height (50);
3098	$map->alloc;
3099	$map->_load_objects ("/tmp/x.map", 1);
3100	my $t = Event::time - $t;
3101
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	3721	};
		3722	}
3112		3723
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	3725	$sig->send;
3129	}	3726	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
3131	$sig->send;	3728	$sig->send;
3132	}	3729	}
3133		3730
3134	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		3733
3145	_post_tick;	3734	if (0) {
3146		3735	if ($NEXT_TICK) {
3147		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
3148	},	3740	}
3149	);	3741	}
3150		3742
3151	{	3743	{
3152	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	3745
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3162		3747	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		3749
3178	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3179	$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);
3180		3756
3181	cf::sync_job {	3757	cf::sync_job {
3182	eval {	3758	eval {
3183	BDB::db_env_open	3759	BDB::db_env_open
3184	$DB_ENV,	3760	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	3764	0666;
3189		3765
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	3767	};
3195		3768
3196	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	3770	};
3198	}	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	};
3199	}	3782	}
3200		3783
3201	{	3784	{
		3785	# configure IO::AIO
		3786
3202	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	3790	}
3215		3791
3216	my $_log_backtrace;	3792	my $_log_backtrace;
3217		3793
3218	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3222		3798
3223	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3225	++$_log_backtrace;	3801	++$_log_backtrace;
3226	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3227	my @bt = fork_call {	3805	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	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 |"
3231	or die "addr2line: $!";	3809	or die "addr2line: $!";

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