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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.377 by root, Thu Oct 4 11:36:38 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	110	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	111	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	113	our $DB_ENV;
89		114
90	our %CFG;	115	our %CFG;
91		116
92	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
94		120
95	our (%PLAYER, %PLAYER_LOADING); # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
98		124
99	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		127
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		136
106	binmode STDOUT;	137	binmode STDOUT;
107	binmode STDERR;	138	binmode STDERR;
108		139
109	# read virtual server time, if available	140	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
114	}	145	}
115		146
116	mkdir $_	147	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		193
163	The raw value load value from the last tick.	194	The raw value load value from the last tick.
164		195
165	=item %cf::CFG	196	=item %cf::CFG
166		197
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	199	from wherever your confdir points to.
169		200
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		202
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		225
195	LOG llevError, $msg;	226	LOG llevError, $msg;
196	};	227	};
197	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
198		244
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	255	for my $pkg (qw(
210	cf::global cf::attachable	256	cf::global cf::attachable
211	cf::object cf::object::player	257	cf::object cf::object::player
212	cf::client cf::player	258	cf::client cf::player
213	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
214	cf::map cf::party cf::region	261	cf::party cf::region
215	)) {	262	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	264	}
219		265
220	$Event::DIED = sub {	266	$EV::DIED = sub {
221	warn "error in event callback: @_";	267	warn "error in event callback: @_";
222	};	268	};
223		269
224	#############################################################################	270	#############################################################################
225		271
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	295	$d
250	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
251	}	297	}
252		298
253	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
254		300
255	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
256		302
257	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
258		304
259	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
260		306
261	=cut	307	=cut
262		308
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		310
265	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
267		327
268	=item cf::lock_wait $string	328	=item cf::lock_wait $string
269		329
270	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
271		331
…		…
299	return;#d#	359	return;#d#
300	}#d#	360	}#d#
301		361
302	# wait for lock, if any	362	# wait for lock, if any
303	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
304	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;	366	Coro::schedule;
306	}	367	}
307	}	368	}
308		369
…		…
327		388
328	! ! $LOCK{$key}	389	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	445	}
374	}	446	}
375	}	447	}
376		448
377	if (@SLOT_QUEUE) {	449	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	451	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	452	$signal->wait;
381	} else {	453	} else {
382	Coro::schedule;	454	Coro::schedule;
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
388	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
389		463
390	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
392		466
…		…
406		480
407	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
408		482
409	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
410		484
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	488	acceptable.
415		489
416	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		496
423	sub sync_job(&) {	497	sub sync_job(&) {
424	my ($job) = @_;	498	my ($job) = @_;
425		499
426	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	501	my $time = EV::time;
428		502
429	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
431		505
432	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	507
434	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
435		509
436	my $busy = 1;	510	my $busy = 1;
437	my @res;	511	my @res;
438		512
…		…
442	warn $@ if $@;	516	warn $@ if $@;
443	undef $busy;	517	undef $busy;
444	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
445		519
446	while ($busy) {	520	while ($busy) {
447	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
448	}	525	}
		526	}
449		527
450	$time = Event::time - $time;	528	my $time = EV::time - $time;
451		529
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
456		531
457	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
458	} else {	533	} else {
459	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
460		535
…		…
485	=item fork_call { }, $args	560	=item fork_call { }, $args
486		561
487	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
488	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
489	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
490	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
491		566
492	=cut	567	=cut
493		568
494	sub fork_call(&@) {	569	sub fork_call(&@) {
495	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
502	reset_signals;	577	reset_signals;
503	&$cb	578	&$cb
504	}, @args;	579	}, @args;
505		580
506	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
507	}	609	}
508		610
509	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
510		612
511	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
650		752
651	#############################################################################	753	#############################################################################
652		754
653	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
654		756
655	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
656	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
657	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
658		760
659	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
660	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
661	Crossfire TRT).	763	Deliantra).
662		764
663	=over 4	765	=over 4
664		766
665	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
666		768
…		…
710	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
711		813
712	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
713	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
714		816
715	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
716	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
717		819
718	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
719		821
720	=over 4	822	=over 4
…		…
948	}	1050	}
949		1051
950	0	1052	0
951	}	1053	}
952		1054
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1056
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1058
957	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
958		1060
…		…
964		1066
965	=cut	1067	=cut
966		1068
967	#############################################################################	1069	#############################################################################
968	# object support	1070	# object support
969	#
970		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
971	sub _can_merge {	1105	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
973		1107
974	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1109
978	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
979	}	1112	}
980		1113
981	sub reattach {	1114	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1116	my ($obj) = @_;
984		1117
		1118	# no longer needed after getting rid of delete_package?
985	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
986		1120
987	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
988		1122
989	@$registry = ();	1123	@$registry = ();
990		1124
…		…
1005	cf::attachable->attach (	1139	cf::attachable->attach (
1006	prio => -1000000,	1140	prio => -1000000,
1007	on_instantiate => sub {	1141	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1009		1143
1010	$data = from_json $data;	1144	$data = decode_json $data;
1011		1145
1012	for (@$data) {	1146	for (@$data) {
1013	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1014		1148
1015	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1036	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1039		1173
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
1044	close $fh;	1178	aio_close $fh;
1045		1179
1046	if (@$objs) {	1180	if (@$objs) {
1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1048	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
1051	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
1052	close $fh;	1186	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1188	}
1055	} else {	1189	} else {
1056	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
1057	}	1191	}
1058		1192
1059	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1197	} else {
1061	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
1062	}	1199	}
1063	} else {	1200	} else {
1064	aio_unlink $filename;	1201	aio_unlink $filename;
…		…
1085		1222
1086	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1225	or return;
1089		1226
1090	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1091	}	1229	}
1092		1230
1093	utf8::decode (my $decname = $filename);	1231	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
…		…
1156	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1157		1295
1158	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1159	}	1297	}
1160		1298
		1299	use File::Glob ();
		1300
1161	cf::player->attach (	1301	cf::player->attach (
1162	on_command => sub {	1302	on_command => sub {
1163	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1164		1304
1165	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1197		1337
1198	cf::override;	1338	cf::override;
1199	},	1339	},
1200	);	1340	);
1201		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
		1354
1202	sub load_extensions {	1355	sub load_extensions {
1203	cf::sync_job {	1356	cf::sync_job {
1204	my %todo;	1357	my %todo;
1205		1358
1206	for my $path (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
…		…
1225		1378
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1381
1229	$ext{source} =	1382	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1231	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1232	. $source	1385	. $source
1233	. "\n};\n1";	1386	. "\n};\n1";
1234		1387
1235	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1251	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1252	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1253		1406
1254	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1255	warn $msg;	1408	warn $msg;
1256	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1257	exit 1;
1258	}	1410	}
1259		1411
1260	warn $msg;	1412	warn $msg;
1261	}	1413	}
1262		1414
…		…
1276		1428
1277	=back	1429	=back
1278		1430
1279	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1280		1432
1281	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1282		1434
1283	=cut	1435	=cut
1284		1436
1285	package cf::player;	1437	package cf::player;
1286		1438
…		…
1329		1481
1330	sub exists($) {	1482	sub exists($) {
1331	my ($login) = @_;	1483	my ($login) = @_;
1332		1484
1333	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1335	}	1487	}
1336		1488
1337	sub find($) {	1489	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1491	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1503	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1504	or return;
1353		1505
1354	my $pl = cf::player::load_pl $f	1506	my $pl = cf::player::load_pl $f
1355	or return;	1507	or return;
		1508
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1509	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1510	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1359	}	1512	}
1360	}	1513	}
…		…
1370		1523
1371	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1372		1525
1373	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
		1528
		1529	cf::get_slot 0.01;
1375		1530
1376	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1532	cf::cede_to_tick;
1378	}	1533	}
1379		1534
…		…
1411	my ($pl) = @_;	1566	my ($pl) = @_;
1412		1567
1413	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1414		1569
1415	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1416	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1417		1572
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1419	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1421	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1422		1579
1423	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1463		1620
1464	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
1465	my $path = path $login;	1622	my $path = path $login;
1466		1623
1467	# a .pst is a dead give-away for a valid player	1624	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1630	}
1473		1631
…		…
1504	}	1662	}
1505		1663
1506	\@paths	1664	\@paths
1507	}	1665	}
1508		1666
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1668
1511	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1670
1560	=item $player->ext_reply ($msgid, @msg)	1671	=item $player->ext_reply ($msgid, @msg)
1561		1672
1562	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1563		1674
…		…
1630	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1632		1743
1633	sub generate_random_map {	1744	sub generate_random_map {
1634	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1635	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1636	$self->_create_random_map (	1750	$self->_create_random_map (
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1761		1875
1762	# the temporary/swap location	1876	# the temporary/swap location
1763	sub save_path {	1877	sub save_path {
1764	my ($self) = @_;	1878	my ($self) = @_;
1765		1879
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1768	}	1882	}
1769		1883
1770	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1771	sub uniq_path {	1885	sub uniq_path {
1772	my ($self) = @_;	1886	my ($self) = @_;
1773		1887
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1776	}	1890	}
1777		1891
1778	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1779	# all maps in C++...	1893	# all maps in C++...
…		…
1877		1991
1878	cf::lock_wait "map_data:$path";#d#remove	1992	cf::lock_wait "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1880		1994
1881	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1997	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1998
1885	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1886	or return;	2000	or return;
1887		2001
1888	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
…		…
1891	or return;	2005	or return;
1892		2006
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
1896	undef $guard1;	2011	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2012	$map->reset;
1899	return find $path;	2013	return find $path;
1900	}	2014	}
1901		2015
1902	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
…		…
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2043	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2044	$f->skip_block;
1931	$self->_load_objects ($f)	2045	$self->_load_objects ($f)
1932	or return;	2046	or return;
1933		2047
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1935	if delete $self->{load_original};	2049	if delete $self->{load_original};
1936		2050
1937	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2052	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2053	unless (aio_stat $uniq) {
…		…
1965	}	2079	}
1966		2080
1967	$self->{last_save} = $cf::RUNTIME;	2081	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2082	$self->last_access ($cf::RUNTIME);
1969		2083
1970	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1971	}	2085	}
1972		2086
1973	$self->post_load;	2087	$self->post_load;
1974	}	2088	}
1975		2089
…		…
2033	my ($path, $origin, $load) = @_;	2147	my ($path, $origin, $load) = @_;
2034		2148
2035	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
2036		2150
2037	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039	}	2153	}
2040		2154
2041	$MAP_PREFETCH{$path} |= $load;	2155	$MAP_PREFETCH{$path} |= $load;
2042		2156
2043	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
…		…
2080	cf::async {	2194	cf::async {
2081	$Coro::current->{desc} = "map player save";	2195	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
2083	};	2197	};
2084		2198
		2199	cf::get_slot 0.02;
		2200
2085	if ($uniq) {	2201	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2204	} else {
2089	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2205	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2097	$self->save;	2213	$self->save;
2098		2214
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2216
2101	return if $self->players;	2217	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
2103	return if $self->{deny_save};	2219	return if $self->{deny_save};
2104		2220
2105	$self->in_memory (cf::MAP_SWAPPED);	2221	$self->in_memory (cf::MAP_SWAPPED);
2106		2222
2107	$self->deactivate;	2223	$self->deactivate;
…		…
2225		2341
2226	sub unique_maps() {	2342	sub unique_maps() {
2227	[	2343	[
2228	map {	2344	map {
2229	utf8::decode $_;	2345	utf8::decode $_;
2230	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2231	? normalise $_	2349	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2351	]
2235	}	2352	}
2236		2353
2237	package cf;
2238
2239	=back	2354	=back
2240		2355
2241	=head3 cf::object	2356	=head3 cf::object
2242		2357
2243	=cut	2358	=cut
…		…
2246		2361
2247	=over 4	2362	=over 4
2248		2363
2249	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2250		2365
2251	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2252		2368
2253	=cut	2369	=cut
2254		2370
2255	sub inv_recursive_;	2371	sub inv_recursive_;
2256	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2262	}	2378	}
2263		2379
2264	=item $ref = $ob->ref	2380	=item $ref = $ob->ref
2265		2381
2266	creates and returns a persistent reference to an objetc that can be stored as a string.	2382	Creates and returns a persistent reference to an object that can be stored as a string.
2267		2383
2268	=item $ob = cf::object::deref ($refstring)	2384	=item $ob = cf::object::deref ($refstring)
2269		2385
2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271	even if the object actually exists. May block.	2387	even if the object actually exists. May block.
2272		2388
2273	=cut	2389	=cut
2274		2390
2275	sub deref {	2391	sub deref {
2276	my ($ref) = @_;	2392	my ($ref) = @_;
2277
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280		2393
2281	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {	2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2395	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2284	or return;	2397	or return;
…		…
2306	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2307	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2308		2421
2309	=cut	2422	=cut
2310		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
		2437
2311	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2312	# with dialog boxes.	2439	# with dialog boxes.
2313	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2314	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
2315	my ($self, $npc, $msg, $flags) = @_;	2442	my ($self, $npc, $msg, $flags) = @_;
…		…
2326	my $dialog = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2328		2455
2329	} else {	2456	} else {
2330	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2331	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2332	}	2459	}
2333	}	2460	}
2334	}	2461	}
2335		2462
2336	=item $object->send_msg ($channel, $msg, $color, [extra...])	2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2361		2488
2362	=item $player_object->enter_link	2489	=item $player_object->enter_link
2363		2490
2364	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2365		2492
2366	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2367	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2368		2497
2369	Will never block.	2498	Will never block.
2370		2499
2371	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2372		2501
…		…
2430		2559
2431	$map->load;	2560	$map->load;
2432	$map->load_neighbours;	2561	$map->load_neighbours;
2433		2562
2434	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2435	$self->activate_recursive;	2565	$self->activate_recursive;
2436		2566
2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2438	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2439	}	2569	}
…		…
2443	Moves the player to the given map-path and coordinates by first freezing	2573	Moves the player to the given map-path and coordinates by first freezing
2444	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2445	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2446	the new (success) or old (failed) map position. In either case, $done will	2576	the new (success) or old (failed) map position. In either case, $done will
2447	be called at the end of this process.	2577	be called at the end of this process.
		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
2448		2581
2449	=cut	2582	=cut
2450		2583
2451	our $GOTOGEN;	2584	our $GOTOGEN;
2452		2585
…		…
2531	}	2664	}
2532		2665
2533	sub prepare_random_map {	2666	sub prepare_random_map {
2534	my ($exit) = @_;	2667	my ($exit) = @_;
2535		2668
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2671	# that depends on the exit object
2541		2672
2542	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2675	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2549	}	2682	}
2550		2683
2551	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2552		2685
2553	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2556		2689
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2692	undef $fh;
2560	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2561		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2564	}	2701	}
2565	}	2702	}
2566		2703
2567	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2569		2706
2570	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2571		2708
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2709	$self->enter_link;
2584		2710
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2711	(async {
2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2712	$Coro::current->{desc} = "enter_exit";
2591		2713
2592	$self->deactivate_recursive; # just to be sure
2593	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2594	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2595		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2596	1;	2735	1
2597	}) {	2736	}) {
2598	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2599	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2600	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2601	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2602		2741
2603	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2633		2772
2634	=cut	2773	=cut
2635		2774
		2775	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	2776	our %CHANNEL = (
2637	"c/identify" => {	2777	"c/identify" => {
2638	id => "infobox",	2778	id => "infobox",
2639	title => "Identify",	2779	title => "Identify",
2640	reply => undef,	2780	reply => undef,
…		…
2644	id => "infobox",	2784	id => "infobox",
2645	title => "Examine",	2785	title => "Examine",
2646	reply => undef,	2786	reply => undef,
2647	tooltip => "Signs and other items you examined",	2787	tooltip => "Signs and other items you examined",
2648	},	2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
2649	"c/lookat" => {	2795	"c/lookat" => {
2650	id => "infobox",	2796	id => "infobox",
2651	title => "Look",	2797	title => "Look",
2652	reply => undef,	2798	reply => undef,
2653	tooltip => "What you saw there",	2799	tooltip => "What you saw there",
2654	},	2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
2655	);	2837	);
2656		2838
2657	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2659		2841
2660	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
2661		2844
2662	$color &= cf::NDI_CLIENT_MASK; # just in case...	2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
2663		2846
2664	# check predefined channels, for the benefit of C	2847	# check predefined channels, for the benefit of C
2665	if ($CHANNEL{$channel}) {	2848	if ($CHANNEL{$channel}) {
…		…
2686	if ($self->can_msg) {	2869	if ($self->can_msg) {
2687	# default colour, mask it out	2870	# default colour, mask it out
2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2689	if $color & cf::NDI_DEF;	2872	if $color & cf::NDI_DEF;
2690		2873
2691	$self->send_packet ("msg " . $self->{json_coder}->encode (	2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2693	} else {	2890	} else {
2694	if ($color >= 0) {	2891	if ($color >= 0) {
2695	# replace some tags by gcfclient-compatible ones	2892	# replace some tags by gcfclient-compatible ones
2696	for ($msg) {	2893	for ($msg) {
2697	1 while	2894	1 while
…		…
2895	=pod	3092	=pod
2896		3093
2897	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2898		3095
2899	cf::object	3096	cf::object
2900	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2901	insert remove name archname title slaying race decrease_ob_nr	3098	insert remove name archname title slaying race decrease split
2902		3099
2903	cf::object::player	3100	cf::object::player
2904	player	3101	player
2905		3102
2906	cf::player	3103	cf::player
…		…
2911		3108
2912	=cut	3109	=cut
2913		3110
2914	for (	3111	for (
2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916	insert remove inv name archname title slaying race	3113	insert remove inv nrof name archname title slaying race
2917	decrease_ob_nr)],	3114	decrease split destroy change_exp)],
2918	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2920	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2921	) {	3118	) {
2922	no strict 'refs';	3119	no strict 'refs';
…		…
3027	{	3224	{
3028	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
3029		3226
3030	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
3032	cf::face::set_visibility $idx, $info->{visibility};	3230	cf::face::set_visibility $idx, $info->{visibility};
3033	cf::face::set_magicmap $idx, $info->{magicmap};	3231	cf::face::set_magicmap $idx, $info->{magicmap};
3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3036		3234
3037	cf::cede_to_tick;	3235	cf::cede_to_tick;
3038	}	3236	}
3039		3237
3040	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
3041	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
3042	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
3043	or next;	3242	or next;
		3243
3044	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
3045	cf::face::set_smooth $idx, $smooth;	3245	cf::face::set_smooth $idx, $smooth;
3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3047	} else {	3247	} else {
3048	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3066	{	3266	{
3067	# TODO: for gcfclient pleasure, we should give resources	3267	# TODO: for gcfclient pleasure, we should give resources
3068	# that gcfclient doesn't grok a >10000 face index.	3268	# that gcfclient doesn't grok a >10000 face index.
3069	my $res = $facedata->{resource};	3269	my $res = $facedata->{resource};
3070		3270
3071	my $soundconf = delete $res->{"res/sound.conf"};
3072
3073	while (my ($name, $info) = each %$res) {	3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3075	my $data;	3274	my $data;
3076		3275
3077	if ($info->{type} & 1) {	3276	if ($info->{type} & 1) {
3078	# prepend meta info	3277	# prepend meta info
3079		3278
3080	my $meta = $enc->encode ({	3279	my $meta = $enc->encode ({
3081	name => $name,	3280	name => $name,
3082	%{ $info->{meta} || {} },	3281	%{ $info->{meta} || {} },
3083	});	3282	});
3084		3283
3085	$data = pack "(w/a*)*", $meta, $info->{data};	3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
3086	} else {	3291	} else {
3087	$data = $info->{data};	3292	$RESOURCE{$name} = $info;
3088	}	3293	}
3089		3294
3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091	cf::face::set_type $idx, $info->{type};
3092
3093	cf::cede_to_tick;	3295	cf::cede_to_tick;
3094	}	3296	}
3095
3096	if ($soundconf) {
3097	$soundconf = $enc->decode (delete $soundconf->{data});
3098
3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100	my $sound = $soundconf->{compat}[$_]
3101	or next;
3102
3103	my $face = cf::face::find "sound/$sound->[1]";
3104	cf::sound::set $sound->[0] => $face;
3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106	}
3107
3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
3109	my $face = cf::face::find "sound/$v";
3110	cf::sound::set $k => $face;
3111	}
3112	}
3113	}	3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3114		3300
3115	1	3301	1
3116	}	3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
3117		3323
3118	register_exticmd fx_want => sub {	3324	register_exticmd fx_want => sub {
3119	my ($ns, $want) = @_;	3325	my ($ns, $want) = @_;
3120		3326
3121	while (my ($k, $v) = each %$want) {	3327	while (my ($k, $v) = each %$want) {
3122	$ns->fx_want ($k, $v);	3328	$ns->fx_want ($k, $v);
3123	}	3329	}
3124	};	3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
3125		3341
3126	sub reload_regions {	3342	sub reload_regions {
3127	# HACK to clear player env face cache, we need some signal framework	3343	# HACK to clear player env face cache, we need some signal framework
3128	# for this (global event?)	3344	# for this (global event?)
3129	%ext::player_env::MUSIC_FACE_CACHE = ();	3345	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3143	}	3359	}
3144		3360
3145	sub reload_archetypes {	3361	sub reload_archetypes {
3146	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
3147	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
3148	#d# NEED to laod twice to resolve forward references
3149	# this really needs to be done in an extra post-pass
3150	# (which needs to be synchronous, so solve it differently)
3151	load_resource_file "$DATADIR/archetypes"
3152	or die "unable to load archetypes\n";
3153	}	3364	}
3154		3365
3155	sub reload_treasures {	3366	sub reload_treasures {
3156	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
3157	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
3158	}	3369	}
3159		3370
3160	sub reload_resources {	3371	sub reload_resources {
3161	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
3162		3373
		3374	reload_facedata;
		3375	reload_archetypes;
3163	reload_regions;	3376	reload_regions;
3164	reload_facedata;
3165	#reload_archetypes;#d#
3166	reload_archetypes;
3167	reload_treasures;	3377	reload_treasures;
3168		3378
3169	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
3170	}
3171
3172	sub init {
3173	reload_resources;
3174	}	3380	}
3175		3381
3176	sub reload_config {	3382	sub reload_config {
3177	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
3178	or return;	3384	or return;
3179		3385
3180	local $/;	3386	local $/;
3181	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
3182		3388
3183	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3184		3390
3185	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3186	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3192	};	3398	};
3193	warn $@ if $@;	3399	warn $@ if $@;
3194	}	3400	}
3195	}	3401	}
3196		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
3197	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
3198	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3201	(async {	3441	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3443	EV::loop EV::LOOP_ONESHOT;
3204	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
3205	};	3445	};
3206		3446
		3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
3207	reload_config;	3451	reload_config;
3208	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
3209	load_extensions;	3465	load_extensions;
3210		3466
3211	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
3212	Event::loop;	3475	EV::loop;
3213	}	3476	}
3214		3477
3215	#############################################################################	3478	#############################################################################
3216	# initialisation and cleanup	3479	# initialisation and cleanup
3217		3480
3218	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
3219	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3222	reentrant => 0,
3223	data => WF_AUTOCANCEL,
3224	signal => $signal,
3225	prio => 0,
3226	cb => sub {
3227	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
3228	},
3229	);	3487	};
3230	}	3488	}
3231	}	3489	}
3232		3490
3233	sub write_runtime {	3491	sub write_runtime_sync {
3234	my $runtime = "$LOCALDIR/runtime";
3235
3236	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
3237	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
3238		3494
3239	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3240		3496
3241	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
3242		3498
3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3244	or return;	3500	or return;
3245		3501
3246	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
3247	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
3248	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
3258	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
3259		3515
3260	close $fh	3516	close $fh
3261	or return;	3517	or return;
3262		3518
3263	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3264	and return;	3520	and return;
3265		3521
3266	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
3267		3523
3268	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
3269	}	3575	}
3270		3576
3271	sub emergency_save() {	3577	sub emergency_save() {
3272	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
3273		3579
3274	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
3275		3581
3276	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
3277	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
3278	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
3279	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
3281	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	3596	$pl->save;
3285	}	3597	}
3286	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
3287		3599
3288	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
3289	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
3290	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
3291	$map->valid or next;	3603	$map->valid or next;
3292	$map->save;	3604	$map->save;
3293	}	3605	}
3294	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
3295		3607
3296	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
3297	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3298	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
3299	};	3615	};
3300		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
3301	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
3302	}	3623	}
3303		3624
3304	sub post_cleanup {	3625	sub post_cleanup {
3305	my ($make_core) = @_;	3626	my ($make_core) = @_;
3306		3627
3307	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
3308	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
3309	}	3659	}
3310		3660
3311	sub do_reload_perl() {	3661	sub do_reload_perl() {
3312	# can/must only be called in main	3662	# can/must only be called in main
3313	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
3314	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
3315	return;	3665	return;
3316	}	3666	}
3317		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
3318	warn "reloading...";	3673	warn "reloading...";
3319		3674
3320	warn "entering sync_job";	3675	warn "entering sync_job";
3321		3676
3322	cf::sync_job {	3677	cf::sync_job {
3323	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
3324	cf::emergency_save;	3679	cf::emergency_save;
3325	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
3326		3681
3327	warn "syncing database to disk";	3682	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
3329		3684
3330	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
3331		3686
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336
3337	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
3338	for (;;) {
3339	BDB::flush;
3340	IO::AIO::flush;
3341	Coro::cede;
3342	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
3343	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3344	}
3345
3346	++$RELOAD;
3347
3348	warn "cancelling all extension coros";
3349	$_->cancel for values %EXT_CORO;
3350	%EXT_CORO = ();
3351
3352	warn "removing commands";
3353	%COMMAND = ();
3354
3355	warn "removing ext/exti commands";
3356	%EXTCMD = ();
3357	%EXTICMD = ();
3358
3359	warn "unloading/nuking all extensions";
3360	for my $pkg (@EXTS) {
3361	warn "... unloading $pkg";
3362
3363	if (my $cb = $pkg->can ("unload")) {
3364	eval {
3365	$cb->($pkg);
3366	1
3367	} or warn "$pkg unloaded, but with errors: $@";
3368	}	3690	}
3369		3691
3370	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
3371	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
3372	}	3694	%EXT_CORO = ();
3373		3695
3374	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
3375	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
3376	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3377		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
3378	warn "... unloading $k";	3705	warn "... unloading $pkg";
3379	delete $INC{$k};
3380		3706
3381	$k =~ s/\.pm$//;
3382	$k =~ s/\//::/g;
3383
3384	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3385	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3386	}	3716	}
3387		3717
3388	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
3389	}	3733	}
3390		3734
3391	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3392	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3394		3738
3395	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3396	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3397	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3398		3742
3399	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3400	# and global variables created in xs	3744	# and global variables created in xs
3401	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3402		3746
3403	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3404		3748
3405	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3406	require cf;	3750	require cf;
3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3408		3752
3409	warn "loading config and database again";	3753	warn "loading config and database again";
3410	cf::reload_config;	3754	cf::reload_config;
3411		3755
3412	warn "loading extensions";	3756	warn "loading extensions";
3413	cf::load_extensions;	3757	cf::load_extensions;
3414		3758
		3759	if ($REATTACH_ON_RELOAD) {
3415	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3416	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3417	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3418	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3419	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3420	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3421		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3422	warn "leaving sync_job";	3771	warn "leaving sync_job";
3423		3772
3424	1	3773	1
3425	} or do {	3774	} or do {
3426	warn $@;	3775	warn $@;
3427	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3428	exit 1;
3429	};	3777	};
3430		3778
3431	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3432	};	3785	};
3433		3786
3434	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3435		3788
3436	sub reload_perl() {	3789	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3439		3792
3440	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3441	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3442	after => 0,	3795
3443	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3444	cb => sub {
3445	do_reload_perl;	3797	do_reload_perl;
3446	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3447	},	3799	};
3448	);	3800	};
3449	}	3801	}
3450		3802
3451	register_command "reload" => sub {	3803	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3453		3805
…		…
3466		3818
3467	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3468	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3469		3821
3470	sub wait_for_tick {	3822	sub wait_for_tick {
3471	return unless $TICK_WATCHER->is_active;
3472	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3473		3824
3474	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3475	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3476	$signal->wait;	3827	$signal->wait;
3477	}	3828	}
3478		3829
3479	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3480	return unless $TICK_WATCHER->is_active;
3481	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3482		3832
3483	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	3835	$signal->wait;
3486	}	3836	}
3487		3837
3488	$TICK_WATCHER = Event->timer (	3838	sub tick {
3489	reentrant => 0,
3490	parked => 1,
3491	prio => 0,
3492	at => $NEXT_TICK || $TICK,
3493	data => WF_AUTOCANCEL,
3494	cb => sub {
3495	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3498	return;	3842	return;
3499	}	3843	}
3500		3844
3501	$NOW = $tick_start = Event::time;
3502
3503	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3504		3846
3505	$RUNTIME += $TICK;
3506	$NEXT_TICK += $TICK;
3507
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	3849	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	3850	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	3851	write_runtime_sync
3513	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
3514	};
3515	}	3853	};
		3854	}
3516		3855
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	3857	$sig->send;
3519	}	3858	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3521	$sig->send;	3860	$sig->send;
3522	}	3861	}
3523		3862
3524	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3525
3526	# if we are delayed by four ticks or more, skip them all
3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3528
3529	$TICK_WATCHER->at ($NEXT_TICK);
3530	$TICK_WATCHER->start;
3531
3532	$LOAD = ($NOW - $tick_start) / $TICK;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		3865
3535	_post_tick;	3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3536	},	3872	}
3537	);	3873	}
3538		3874
3539	{	3875	{
		3876	# configure BDB
		3877
3540	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3541	BDB::max_poll_time $TICK * 0.1;	3879	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	3880	$AnyEvent::BDB::WATCHER->priority (1);
3543	reentrant => 0,
3544	fd => BDB::poll_fileno,
3545	poll => 'r',
3546	prio => 0,
3547	data => WF_AUTOCANCEL,
3548	cb => \&BDB::poll_cb,
3549	);
3550
3551	BDB::set_sync_prepare {
3552	my $status;
3553	my $current = $Coro::current;
3554	(
3555	sub {
3556	$status = $!;
3557	$current->ready; undef $current;
3558	},
3559	sub {
3560	Coro::schedule while defined $current;
3561	$! = $status;
3562	},
3563	)
3564	};
3565		3881
3566	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3569	| BDB::LOG_AUTOREMOVE, 1);	3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3572		3889
3573	cf::sync_job {	3890	cf::sync_job {
3574	eval {	3891	eval {
…		…
3584		3901
3585	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	3903	};
3587	}	3904	}
3588		3905
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3590	after => 3,
3591	interval => 1,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	3908	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3600	after => 11,
3601	interval => 60,
3602	hard => 1,
3603	prio => 0,
3604	data => WF_AUTOCANCEL,
3605	cb => sub {
3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	3911	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3610	after => 5,
3611	interval => 10,
3612	hard => 1,
3613	prio => 0,
3614	data => WF_AUTOCANCEL,
3615	cb => sub {
3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	3914	};
3619	}	3915	}
3620		3916
3621	{	3917	{
		3918	# configure IO::AIO
		3919
3622	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3627	reentrant => 0,
3628	data => WF_AUTOCANCEL,
3629	fd => IO::AIO::poll_fileno,
3630	poll => 'r',
3631	prio => 0,
3632	cb => \&IO::AIO::poll_cb,
3633	);
3634	}	3923	}
3635		3924
3636	my $_log_backtrace;	3925	my $_log_backtrace;
3637		3926
3638	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3641	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3642		3931
3643	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3644	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3645	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3646	async {	3936	async {
3647	$Coro::current->{desc} = "abt $msg";	3937	$Coro::current->{desc} = "abt $msg";
3648		3938
3649	my @bt = fork_call {	3939	my @bt = fork_call {
3650	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
…		…
3661	}	3951	}
3662		3952
3663	@funcs	3953	@funcs
3664	};	3954	};
3665		3955
3666	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3667	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3668	--$_log_backtrace;	3959	--$_log_backtrace;
3669	};	3960	};
3670	} else {	3961	} else {
3671	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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