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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	208	$msg .= "\n"
187	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
188		210
189	$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;
190		212
191	utf8::encode $msg;
192	LOG llevError, $msg;	213	LOG llevError, $msg;
193	};	214	};
194	}	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	$SIG{__DIE__} = sub { }; #d#?
195		231
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
212	)) {	248	)) {
213	no strict 'refs';	249	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	251	}
216		252
217	$Event::DIED = sub {	253	$EV::DIED = sub {
218	warn "error in event callback: @_";	254	warn "error in event callback: @_";
219	};	255	};
220		256
221	#############################################################################	257	#############################################################################
222		258
…		…
245	$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;
246	$d	282	$d
247	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
248	}	284	}
249		285
250	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
251		287
252	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
253		289
254	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
255		291
256	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
257		293
258	=cut	294	=cut
259		295
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		297
262	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
264		300
265	=item cf::lock_wait $string	301	=item cf::lock_wait $string
266		302
267	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
268		304
…		…
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
274	returned.	310	returned.
275		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
276	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
277	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
278		317
279	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
280		319
281	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
282		321
283	=cut	322	=cut
284		323
285	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
286		326
287	sub lock_wait($) {	327	sub lock_wait($) {
288	my ($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#
289		334
290	# wait for lock, if any	335	# wait for lock, if any
291	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	338	Coro::schedule;
…		…
299		344
300	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
301	lock_wait $key;	346	lock_wait $key;
302		347
303	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
304		350
305	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
308	}	355	}
309	}	356	}
310		357
…		…
313		360
314	! ! $LOCK{$key}	361	! ! $LOCK{$key}
315	}	362	}
316		363
317	sub freeze_mainloop {	364	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
319		366
320	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	368	}
322	};	369
323	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
324	$guard	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
325	}	383	}
326		384
327	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
328		386
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
342		400
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
345	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
346		406
347	while () {	407	while () {
348	next_job:	408	next_job:
349	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
357	}	417	}
358	}	418	}
359	}	419	}
360		420
361	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	424	$signal->wait;
365	} else {	425	} else {
366	Coro::schedule;	426	Coro::schedule;
367	}	427	}
368	}	428	}
369	};	429	};
370		430
371	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
372	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
373		435
374	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
376		438
…		…
390		452
391	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
392		454
393	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
394		456
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	460	acceptable.
399		461
400	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		468
407	sub sync_job(&) {	469	sub sync_job(&) {
408	my ($job) = @_;	470	my ($job) = @_;
409		471
410	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	473	my $time = EV::time;
412		474
413	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
415		477
416	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	479
418	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
419		481
420	my $busy = 1;	482	my $busy = 1;
421	my @res;	483	my @res;
422		484
423	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	487	@res = eval { $job->() };
425	warn $@ if $@;	488	warn $@ if $@;
426	undef $busy;	489	undef $busy;
427	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
428		491
429	while ($busy) {	492	while ($busy) {
430	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
431	}	497	}
		498	}
432		499
433	$time = Event::time - $time;	500	my $time = EV::time - $time;
434		501
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
439		503
440	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
441	} else {	505	} else {
442	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
443		507
…		…
468	=item fork_call { }, $args	532	=item fork_call { }, $args
469		533
470	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
474		538
475	=cut	539	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		540
486	sub fork_call(&@) {	541	sub fork_call(&@) {
487	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
488		543
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	544	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		547
494	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	549	reset_signals;
508	local $SIG{__WARN__};	550	&$cb
509	local $SIG{__DIE__};	551	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		552
516	eval {	553	wantarray ? @res : $res[-1]
517	close $fh1;	554	}
518		555
519	my @res = eval { $cb->(@args) };	556	=item $coin = coin_from_name $name
520		557
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	558	=cut
522	close $fh2;
523	};
524		559
525	warn $@ if $@;	560	our %coin_alias = (
526	_exit 0;	561	"silver" => "silvercoin",
527	}	562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
528	}	581	}
529		582
530	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
531		584
532	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
535		588
536	Stores the given C<$value> in the family. It can currently store binary	589	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
539	=cut	597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
540		615
541	our $DB;	616	our $DB;
542		617
543	sub db_init {	618	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	619	cf::sync_job {
548	eval {	620	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	621	};
558	}	622	}
559		623
560	sub db_get($$) {	624	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
562		626
…		…
612	if (1) {	676	if (1) {
613	$md5 =	677	$md5 =
614	join "\x00",	678	join "\x00",
615	$processversion,	679	$processversion,
616	map {	680	map {
617	Coro::cede;	681	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	683	} 0.. $#$src;
620		684
621		685
622	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
666	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
668		732
669	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	735	Deliantra).
672		736
673	=over 4	737	=over 4
674		738
675	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
676		740
…		…
958	}	1022	}
959		1023
960	0	1024	0
961	}	1025	}
962		1026
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1028
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1030
967	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
968		1032
…		…
974		1038
975	=cut	1039	=cut
976		1040
977	#############################################################################	1041	#############################################################################
978	# object support	1042	# object support
979	#
980		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
981	sub _can_merge {	1077	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
983		1079
984	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1081
988	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
989	}	1084	}
990		1085
991	sub reattach {	1086	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
1015	cf::attachable->attach (	1110	cf::attachable->attach (
1016	prio => -1000000,	1111	prio => -1000000,
1017	on_instantiate => sub {	1112	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
1019		1114
1020	$data = from_json $data;	1115	$data = decode_json $data;
1021		1116
1022	for (@$data) {	1117	for (@$data) {
1023	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
1024		1119
1025	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1136	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1043		1138
1044	sync_job {	1139	sync_job {
1045	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1048		1144
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1149	aio_close $fh;
1054		1150
1055	if (@$objs) {	1151	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1157	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1159	}
1064	} else {	1160	} else {
1065	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
1066	}	1162	}
…		…
1071	}	1167	}
1072	} else {	1168	} else {
1073	aio_unlink $filename;	1169	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1075	}	1171	}
1076	}	1172	};
1077	}	1173	}
1078		1174
1079	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1081		1177
…		…
1093	or return;	1189	or return;
1094		1190
1095	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1193	or return;
		1194
1098	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1099	}	1197	}
1100		1198
		1199	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1103	return ($data, $av);	1203	($data, $av)
1104	}	1204	}
1105		1205
1106	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1107		1207
1108	=over 4	1208	=over 4
…		…
1181	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
1182		1282
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1284
1185	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1191	} else {	1300	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1302	}
1194		1303
1195	cf::override;	1304	cf::override;
…		…
1248	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1249	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1250		1359
1251	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1252	warn $msg;	1361	warn $msg;
1253	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1254	exit 1;
1255	}	1363	}
1256		1364
1257	warn $msg;	1365	warn $msg;
1258	}	1366	}
1259		1367
…		…
1284	use Coro::AIO;	1392	use Coro::AIO;
1285		1393
1286	=head3 cf::player	1394	=head3 cf::player
1287		1395
1288	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1289		1411
1290	=item cf::player::find $login	1412	=item cf::player::find $login
1291		1413
1292	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1293		1415
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1455
1334	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1335	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1336	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1337	}	1465	}
1338	}	1466	}
1339	}	1467	}
1340		1468
…		…
1349	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1350		1478
1351	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1353		1481
		1482	cf::get_slot 0.01;
		1483
1354	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1355	Coro::cede;	1485	cf::cede_to_tick;
1356	}	1486	}
1357		1487
1358	sub new($) {	1488	sub new($) {
1359	my ($login) = @_;	1489	my ($login) = @_;
1360		1490
…		…
1364	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1365		1495
1366	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1367		1497
1368	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1369	}	1509	}
1370		1510
1371	=item $pl->quit_character	1511	=item $pl->quit_character
1372		1512
1373	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1428	or return [];	1568	or return [];
1429		1569
1430	my @logins;	1570	my @logins;
1431		1571
1432	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1436		1582
1437	utf8::decode $login;	1583	utf8::decode $login;
1438	push @logins, $login;	1584	push @logins, $login;
1439	}	1585	}
1440		1586
…		…
1473		1619
1474	Expand crossfire pod fragments into protocol xml.	1620	Expand crossfire pod fragments into protocol xml.
1475		1621
1476	=cut	1622	=cut
1477		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
1478	sub expand_cfpod {	1635	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;	1636	my ($self, $pod) = @_;
1480		1637
1481	# escape & and <	1638	my $xml;
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484		1639
1485	# this is buggy, it needs to properly take care of nested <'s	1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
1486		1643
1487	1 while	1644	$group =~ s/&/&amp;/g;
1488	# replace B<>, I<>, U<> etc.	1645	$group =~ s/</&lt;/g;
1489	s/B<([^\>]*)>/<b>$1<\/b>/	1646
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/	1647	$xml .= $group;
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/	1648	} elsif ($pod =~ m%\G
1492	# replace G<male|female> tags	1649	([BCGHITU])
1493	|| s{G<([^>|]*)\|([^>]*)>}{	1650	<
1494	$self->gender ? $2 : $1	1651	(?:
1495	}ge	1652	([^<>]*) (?{ $group = $^N })
1496	# replace H<hint text>	1653	| < $interior >
1497	|| s{H<([^\>]*)>}	1654	)
		1655	>
		1656	%gcsx
1498	{	1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")	1677	"")
1502	[$self->{hintmode}]	1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
1503	}ge;	1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
1504		1689
		1690	for ($xml) {
1505	# create single paragraphs (very hackish)	1691	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;	1692	s/(?<=\S)\n(?=\w)/ /g;
1507		1693
1508	# compress some whitespace	1694	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends	1695	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines	1696	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines	1697	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines	1698	s/\n+$//; # ending lines
		1699	}
1513		1700
1514	$_	1701	$xml
1515	}	1702	}
		1703
		1704	no re 'eval';
1516		1705
1517	sub hintmode {	1706	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;	1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}	1708	$_[0]{hintmode}
1520	}	1709	}
1521		1710
1522	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1523		1712
1524	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1525		1714
1526	=cut	1715	=cut
1527		1716
1528	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1530		1719
1531	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1721	}
1534		1722
1535	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1536		1724
1537	Sends an ext event to the client.	1725	Sends an ext event to the client.
1538		1726
1539	=cut	1727	=cut
1540		1728
1541	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1543		1731
1544	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1545	}	1733	}
1546		1734
1547	=head3 cf::region	1735	=head3 cf::region
1548		1736
1549	=over 4	1737	=over 4
…		…
1593	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1595		1783
1596	sub generate_random_map {	1784	sub generate_random_map {
1597	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1598	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1790	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1724		1915
1725	# the temporary/swap location	1916	# the temporary/swap location
1726	sub save_path {	1917	sub save_path {
1727	my ($self) = @_;	1918	my ($self) = @_;
1728		1919
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1731	}	1922	}
1732		1923
1733	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1734	sub uniq_path {	1925	sub uniq_path {
1735	my ($self) = @_;	1926	my ($self) = @_;
1736		1927
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1739	}	1930	}
1740		1931
1741	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1742	# all maps in C++...	1933	# all maps in C++...
…		…
1765		1956
1766	sub load_header_from($) {	1957	sub load_header_from($) {
1767	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1768		1959
1769	utf8::encode $path;	1960	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1775		1969
1776	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1777		1971
1778	1	1972	1
1779	}	1973	}
…		…
1833	sub find {	2027	sub find {
1834	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1835		2029
1836	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1837		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1839		2034
1840	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1841	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1842	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1843	or return;	2040	or return;
1844		2041
1845	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1846		2043
…		…
1848	or return;	2045	or return;
1849		2046
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1853	$map->reset;	2052	$map->reset;
1854	undef $guard;
1855	return find $path;	2053	return find $path;
1856	}	2054	}
1857		2055
1858	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1859	}	2057	}
…		…
1868	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1869		2067
1870	my $path = $self->{path};	2068	my $path = $self->{path};
1871		2069
1872	{	2070	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1874		2072
		2073	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2075
1877	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1878		2077
1879	$self->alloc;	2078	$self->alloc;
1880		2079
1881	$self->pre_load;	2080	$self->pre_load;
1882	Coro::cede;	2081	cf::cede_to_tick;
1883		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1885	or return;	2086	or return;
1886		2087
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1888	if delete $self->{load_original};	2089	if delete $self->{load_original};
1889		2090
1890	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2092	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2095	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1895	}	2099	}
1896	}	2100	}
1897		2101
1898	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1899	# now do the right thing for maps	2105	# now do the right thing for maps
1900	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2108	unless $self->difficulty;
1903	Coro::cede;	2109	cf::cede_to_tick;
1904		2110
1905	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2112	$self->decay_objects;
1907	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1908	$self->update_buttons;	2114	$self->update_buttons;
1909	Coro::cede;	2115	cf::cede_to_tick;
1910	$self->set_darkness_map;	2116	$self->set_darkness_map;
1911	Coro::cede;	2117	cf::cede_to_tick;
1912	$self->activate;	2118	$self->activate;
1913	}	2119	}
1914		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2125	}
1917		2126
1918	$self->post_load;	2127	$self->post_load;
1919	}	2128	}
1920		2129
…		…
1929		2138
1930	$self	2139	$self
1931	}	2140	}
1932		2141
1933	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2143	sub load_neighbours {
1935	my ($map) = @_;	2144	my ($map) = @_;
1936		2145
1937	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1938		2147
1939	for (0 .. 3) {	2148	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1941	or next;	2150	or next;
1942	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1943	or next;	2152	or next;
1944	$neigh->load;	2153	$neigh->load;
1945		2154
		2155	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2158	}
1949		2159
1950	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1952	or next;	2163	or next;
1953	$neigh->load;	2164	$neigh->load;
1954	}	2165	}
1955	}	2166	}
1956		2167
…		…
1961	}	2172	}
1962		2173
1963	sub do_load_sync {	2174	sub do_load_sync {
1964	my ($map) = @_;	2175	my ($map) = @_;
1965		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1966	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1967	}	2181	}
1968		2182
1969	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1971		2185
1972	sub find_async {	2186	sub find_async {
1973	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1974		2188
1975	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1976		2190
1977	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2193	}
1980		2194
1981	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1982	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1983	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2202	if (my $map = find $k) {
1986	$map->load;	2203	$map->load if $v;
1987	}	2204	}
1988		2205
1989	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1990	}	2207	}
1991	}	2208	}
1992	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1993	};	2210	};
1994	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1997	}	2214	}
1998		2215
1999	sub save {	2216	sub save {
2000	my ($self) = @_;	2217	my ($self) = @_;
2001		2218
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2220
2004	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
2005		2222
2006	return unless $self->dirty;	2223	return unless $self->dirty;
2007		2224
…		…
2013	return if $self->{deny_save};	2230	return if $self->{deny_save};
2014		2231
2015	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
2016		2233
2017	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
2019	};	2237	};
		2238
		2239	cf::get_slot 0.02;
2020		2240
2021	if ($uniq) {	2241	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2244	} else {
…		…
2030	my ($self) = @_;	2250	my ($self) = @_;
2031		2251
2032	# save first because save cedes	2252	# save first because save cedes
2033	$self->save;	2253	$self->save;
2034		2254
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2256
2037	return if $self->players;	2257	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2259	return if $self->{deny_save};
2040		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2265	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2266	}
2044		2267
2045	sub reset_at {	2268	sub reset_at {
2046	my ($self) = @_;	2269	my ($self) = @_;
2047		2270
…		…
2079	if $uniq;	2302	if $uniq;
2080	}	2303	}
2081		2304
2082	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
2083		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2309	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2310
2088	$self->unlink_save;	2311	$self->unlink_save;
2089	$self->destroy;	2312	$self->destroy;
2090	}	2313	}
2091		2314
2092	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
2093		2316
2094	sub nuke {	2317	sub nuke {
2095	my ($self) = @_;	2318	my ($self) = @_;
2096		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
2097	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
2098		2324
2099	$self->unlink_save;	2325	$self->unlink_save;
2100		2326
2101	bless $self, "cf::map";	2327	bless $self, "cf::map";
2102	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2332
2107	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
2108		2335
2109	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
2110	}	2337	}
2111		2338
2112	=item $maps = cf::map::tmp_maps	2339	=item $maps = cf::map::tmp_maps
…		…
2154		2381
2155	sub unique_maps() {	2382	sub unique_maps() {
2156	[	2383	[
2157	map {	2384	map {
2158	utf8::decode $_;	2385	utf8::decode $_;
2159	/\.map$/	2386	s/\.map$//; # TODO future compatibility hack
		2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2388	? ()
2160	? normalise $_	2389	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2390	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2391	]
2164	}	2392	}
2165		2393
2166	package cf;
2167
2168	=back	2394	=back
2169		2395
2170	=head3 cf::object	2396	=head3 cf::object
2171		2397
2172	=cut	2398	=cut
…		…
2175		2401
2176	=over 4	2402	=over 4
2177		2403
2178	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
2179		2405
2180	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
2181		2408
2182	=cut	2409	=cut
2183		2410
2184	sub inv_recursive_;	2411	sub inv_recursive_;
2185	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
2188		2415
2189	sub inv_recursive {	2416	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
2191	}	2418	}
2192		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
2193	package cf;	2448	package cf;
2194		2449
2195	=back	2450	=back
2196		2451
2197	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
2203	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
2205	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
2206		2461
2207	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
2208		2477
2209	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2479	# with dialog boxes.
2211	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
2212	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
2219		2488
2220	} else {	2489	} else {
2221	my $pl = $self->contr;	2490	my $pl = $self->contr;
2222		2491
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2493	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2495
2232	} else {	2496	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2499	}
2236	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
2237	}	2511	}
2238		2512
2239	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
2240		2514
2241	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
2320	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
2323		2597
2324	$map->load;	2598	$map->load;
2325	$map->load_diag;	2599	$map->load_neighbours;
2326		2600
2327	return unless $self->contr->active;	2601	return unless $self->contr->active;
2328	$self->activate_recursive;	2602	$self->activate_recursive;
2329		2603
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2625
2352	$self->enter_link;	2626	$self->enter_link;
2353		2627
2354	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
2355	my $map = eval {	2650	my $map = eval {
2356	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
2357		2652
2358	if ($map) {	2653	if ($map) {
2359	$map = $map->customise_for ($self);	2654	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2655	$map = $check->($map) if $check && $map;
2361	} else {	2656	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2658	}
2364		2659
2365	$map	2660	$map
2366	};	2661	};
2367		2662
…		…
2420	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
2421	}	2716	}
2422		2717
2423	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2424		2719
2425	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2428		2723
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
…		…
2457	# if exit is damned, update players death & WoR home-position	2752	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)	2753	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);	2754	if $exit->flag (FLAG_DAMNED);
2460		2755
2461	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
2462	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
2463	unless (eval {	2760	unless (eval {
2464	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
2465		2762
2466	1;	2763	1;
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2798	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2799	the message unless the client supports the msg packet.
2503		2800
2504	=cut	2801	=cut
2505		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
2506	sub cf::client::send_msg {	2861	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	2862	my ($self, $channel, $msg, $color, @extra) = @_;
2508		2863
2509	$msg = $self->pl->expand_cfpod ($msg);	2864	$msg = $self->pl->expand_cfpod ($msg);
2510		2865
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
2513	if (ref $channel) {	2877	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	2878	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	2879	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	2880	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
2518	}	2883	}
2519		2884
2520	$channel = $channel->{id};	2885	$channel = $channel->{id};
2521	}	2886	}
2522		2887
2523	return unless @extra || length $msg;	2888	return unless @extra || length $msg;
2524		2889
2525	if ($self->can_msg) {	2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2527	} else {	2897	} else {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537
2538	if ($color >= 0) {	2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
2539	if (0 && $msg =~ /\[/) {	2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
2541	} else {	2916	} else {
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")	2918	$self->send_packet ("drawinfo $color $msg")
2544	}	2919	}
2545	}	2920	}
2546	}	2921	}
2547	}	2922	}
2548		2923
2549	=item $client->ext_event ($type, %msg)	2924	=item $client->ext_msg ($type, @msg)
2550		2925
2551	Sends an ext event to the client.	2926	Sends an ext event to the client.
2552		2927
2553	=cut	2928	=cut
2554		2929
2555	sub cf::client::ext_event($$%) {	2930	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	2931	my ($self, $type, @msg) = @_;
2557		2932
2558	return unless $self->extcmd;	2933	if ($self->extcmd == 2) {
2559		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	2936	push @msg, msgtype => "event_$type";
2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
2562	}	2957	}
2563		2958
2564	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
2565		2960
2566	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	3016	my ($ns, $buf) = @_;
2622		3017
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		3019
2625	if (ref $msg) {	3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3028	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3029	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
2632	} else {	3035	} else {
2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634	}	3037	}
2635		3038
2636	cf::override;	3039	cf::override;
…		…
2683	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2685		3088
2686	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2687		3090
2688	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2689		3096
2690	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2691		3098
2692	=pod	3099	=pod
2693		3100
2694	The following functions and methods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2695		3102
2696	cf::object	3103	cf::object
2697	contr pay_amount pay_player map x y force_find force_add	3104	contr pay_amount pay_player map x y force_find force_add destroy
2698	insert remove	3105	insert remove name archname title slaying race decrease split
2699		3106
2700	cf::object::player	3107	cf::object::player
2701	player	3108	player
2702		3109
2703	cf::player	3110	cf::player
…		…
2708		3115
2709	=cut	3116	=cut
2710		3117
2711	for (	3118	for (
2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713	insert remove)],	3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2714	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2716	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2717	) {	3125	) {
2718	no strict 'refs';	3126	no strict 'refs';
…		…
2794	# the server's init and main functions	3202	# the server's init and main functions
2795		3203
2796	sub load_facedata($) {	3204	sub load_facedata($) {
2797	my ($path) = @_;	3205	my ($path) = @_;
2798		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3212
2799	warn "loading facedata from $path\n";	3213	warn "loading facedata from $path\n";
2800		3214
2801	my $facedata;	3215	my $facedata;
2802	0 < aio_load $path, $facedata	3216	0 < aio_load $path, $facedata
2803	or die "$path: $!";	3217	or die "$path: $!";
…		…
2805	$facedata = Coro::Storable::thaw $facedata;	3219	$facedata = Coro::Storable::thaw $facedata;
2806		3220
2807	$facedata->{version} == 2	3221	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
2810	{	3231	{
2811	my $faces = $facedata->{faceinfo};	3232	my $faces = $facedata->{faceinfo};
2812		3233
2813	while (my ($face, $info) = each %$faces) {	3234	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3236
2815	cf::face::set_visibility $idx, $info->{visibility};	3237	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3238	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2819		3241
2820	cf::cede_to_tick;	3242	cf::cede_to_tick;
2821	}	3243	}
2822		3244
2823	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3246	next unless $info->{smooth};
		3247
2825	my $idx = cf::face::find $face	3248	my $idx = cf::face::find $face
2826	or next;	3249	or next;
		3250
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3251	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3252	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3254	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2848		3272
2849	{	3273	{
2850	# TODO: for gcfclient pleasure, we should give resources	3274	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.	3275	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3276	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3277
2855	while (my ($name, $info) = each %$res) {	3278	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3279	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
2863		3282
2864	if ($name =~ /\.jpg$/) {	3283	if ($info->{type} & 1) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3284	# prepend meta info
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
2867	} else {	3298	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3299	$RESOURCE{$name} = $info;
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3300	}
2874		3301
2875	cf::cede_to_tick;	3302	cf::cede_to_tick;
2876	}	3303	}
2877	}	3304	}
2878		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
2879	1	3308	1
2880	}	3309	}
2881		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
2882	sub reload_regions {	3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
2883	load_resource_file "$MAPDIR/regions"	3354	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3355	or die "unable to load regions file\n";
2885		3356
2886	for (cf::region::list) {	3357	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3358	$_->{match} = qr/$_->{match}/
…		…
2895	}	3366	}
2896		3367
2897	sub reload_archetypes {	3368	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3369	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3370	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3371	}
2906		3372
2907	sub reload_treasures {	3373	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3374	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3375	or die "unable to load treasurelists\n";
2910	}	3376	}
2911		3377
2912	sub reload_resources {	3378	sub reload_resources {
2913	warn "reloading resource files...\n";	3379	warn "reloading resource files...\n";
2914		3380
		3381	reload_facedata;
		3382	reload_archetypes;
2915	reload_regions;	3383	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3384	reload_treasures;
2920		3385
2921	warn "finished reloading resource files\n";	3386	warn "finished reloading resource files\n";
2922	}	3387	}
2923		3388
2924	sub init {	3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
2925	reload_resources;	3392	reload_resources;
2926	}	3393	}
2927		3394
2928	sub cfg_load {	3395	sub reload_config {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3397	or return;
2931		3398
2932	local $/;	3399	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2934		3401
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2936		3403
2937	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2949	sub main {	3416	sub main {
2950	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953	(async {	3420	(async {
2954	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2956	};	3424	};
2957		3425
2958	cfg_load;	3426	{
		3427	my $guard = freeze_mainloop;
		3428	reload_config;
2959	db_init;	3429	db_init;
2960	load_extensions;	3430	load_extensions;
2961		3431
2962	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2963	Event::loop;	3436	EV::loop;
2964	}	3437	}
2965		3438
2966	#############################################################################	3439	#############################################################################
2967	# initialisation and cleanup	3440	# initialisation and cleanup
2968		3441
2969	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2970	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2979	},
2980	);	3448	};
2981	}	3449	}
2982	}	3450	}
2983		3451
2984	sub write_runtime {	3452	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";	3453	my $runtime = "$LOCALDIR/runtime";
2986		3454
2987	# first touch the runtime file to show we are still running:	3455	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3456	# the fsync below can take a very very long time.
2989		3457
…		…
3015	and return;	3483	and return;
3016		3484
3017	warn "runtime file written.\n";	3485	warn "runtime file written.\n";
3018		3486
3019	1	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
3020	}	3531	}
3021		3532
3022	sub emergency_save() {	3533	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
3024		3535
…		…
3030	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
3032	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3547	$pl->save;
3036	}	3548	}
3037	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
3038		3550
3039	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
3045	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
3046		3558
3047	warn "begin emergency database checkpoint\n";	3559	warn "begin emergency database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3560	BDB::db_env_txn_checkpoint $DB_ENV;
3049	warn "end emergency database checkpoint\n";	3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
3050	};	3566	};
3051		3567
3052	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
3053	}	3569	}
3054		3570
…		…
3069	warn "reloading...";	3585	warn "reloading...";
3070		3586
3071	warn "entering sync_job";	3587	warn "entering sync_job";
3072		3588
3073	cf::sync_job {	3589	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3590	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3591	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
3077		3593
3078	warn "syncing database to disk";	3594	warn "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3596
3081	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
3082
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087		3598
3088	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
3089	for (;;) {	3600	for (;;) {
3090	BDB::flush;	3601	BDB::flush;
3091	IO::AIO::flush;	3602	IO::AIO::flush;
3092	Coro::cede;	3603	Coro::cede_notself;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
3094	warn "iterate...";	3605	warn "iterate...";
3095	}	3606	}
3096		3607
3097	++$RELOAD;	3608	++$RELOAD;
…		…
3156	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
3157	require cf;	3668	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3159		3670
3160	warn "loading config and database again";	3671	warn "loading config and database again";
3161	cf::cfg_load;	3672	cf::reload_config;
3162		3673
3163	warn "loading extensions";	3674	warn "loading extensions";
3164	cf::load_extensions;	3675	cf::load_extensions;
3165		3676
3166	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
…		…
3173	warn "leaving sync_job";	3684	warn "leaving sync_job";
3174		3685
3175	1	3686	1
3176	} or do {	3687	} or do {
3177	warn $@;	3688	warn $@;
3178	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
3179	exit 1;
3180	};	3690	};
3181		3691
3182	warn "reloaded";	3692	warn "reloaded";
3183	};	3693	};
3184		3694
…		…
3186		3696
3187	sub reload_perl() {	3697	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3698	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3699	# coro crashes during coro_state_free->destroy here.
3190		3700
3191	$RELOAD_WATCHER ||= Event->timer (	3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3192	reentrant => 0,
3193	after => 0,
3194	data => WF_AUTOCANCEL,
3195	cb => sub {
3196	do_reload_perl;	3702	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3703	undef $RELOAD_WATCHER;
3198	},
3199	);	3704	};
3200	}	3705	}
3201		3706
3202	register_command "reload" => sub {	3707	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
3204		3709
3205	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
		3712	async {
		3713	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3714	reload_perl;
		3715	};
3208	}	3716	}
3209	};	3717	};
3210		3718
3211	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
3212		3720
…		…
3214		3722
3215	our @WAIT_FOR_TICK;	3723	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3724	our @WAIT_FOR_TICK_BEGIN;
3217		3725
3218	sub wait_for_tick {	3726	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3727	return if tick_inhibit || $Coro::current == $Coro::main;
3221		3728
3222	my $signal = new Coro::Signal;	3729	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3730	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3731	$signal->wait;
3225	}	3732	}
3226		3733
3227	sub wait_for_tick_begin {	3734	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	3735	return if tick_inhibit || $Coro::current == $Coro::main;
3230		3736
3231	my $signal = new Coro::Signal;	3737	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	3738	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	3739	$signal->wait;
3234	}	3740	}
3235		3741
3236	my $min = 1e6;#d#	3742	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
3248	return;	3746	return;
3249	}	3747	}
3250		3748
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
3254		3750
3255	0 && sync_job {#d#	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	for(1..10) {	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	my $t = Event::time;	3753	Coro::async_pool {
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3754	$Coro::current->{desc} = "runtime saver";
3259	or die;	3755	write_runtime_sync
3260		3756	or warn "ERROR: unable to write runtime file: $!";
3261	$map->width (50);
3262	$map->height (50);
3263	$map->alloc;
3264	$map->_load_objects ("/tmp/x.map", 1);
3265	my $t = Event::time - $t;
3266
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	3757	};
		3758	}
3277		3759
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	3761	$sig->send;
3294	}	3762	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	3763	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	3764	$sig->send;
3297	}	3765	}
3298		3766
3299	$NOW = Event::time;	3767	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		3769
3310	_post_tick;	3770	if (0) {
3311		3771	if ($NEXT_TICK) {
3312		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
3313	},	3776	}
3314	);	3777	}
3315		3778
3316	{	3779	{
3317	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	3781
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	3782	BDB::min_parallel 8;
3327		3783	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	3784	$Coro::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		3785
3343	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
3344	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345		3792
3346	cf::sync_job {	3793	cf::sync_job {
3347	eval {	3794	eval {
3348	BDB::db_env_open	3795	BDB::db_env_open
3349	$DB_ENV,	3796	$DB_ENV,
…		…
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	3800	0666;
3354		3801
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358	$DB_ENV->set_lk_detect;
3359	};	3803	};
3360		3804
3361	cf::cleanup "db_env_open(db): $@" if $@;	3805	cf::cleanup "db_env_open(db): $@" if $@;
3362	};	3806	};
3363	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
3364	}	3818	}
3365		3819
3366	{	3820	{
		3821	# configure IO::AIO
		3822
3367	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	3826	}
3380		3827
3381	my $_log_backtrace;	3828	my $_log_backtrace;
3382		3829
3383	sub _log_backtrace {	3830	sub _log_backtrace {
…		…
3387		3834
3388	# limit the # of concurrent backtraces	3835	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	3836	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	3837	++$_log_backtrace;
3391	async {	3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
3392	my @bt = fork_call {	3841	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	3842	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	3845	or die "addr2line: $!";

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