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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC vs.
Revision 1.436 by root, Sun Jun 15 20:32:51 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;
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 3.64 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
23	use Coro::Storable;	46	use Coro::Storable;
24	use Coro::Util ();	47	use Coro::Util ();
25		48
26	use JSON::XS ();	49	use JSON::XS 2.01 ();
27	use BDB ();	50	use BDB ();
28	use Data::Dumper;	51	use Data::Dumper;
29	use Digest::MD5;	52	use Digest::MD5;
30	use Fcntl;	53	use Fcntl;
31	use YAML::Syck ();	54	use YAML ();
32	use IO::AIO 2.32 ();	55	use IO::AIO ();
33	use Time::HiRes;	56	use Time::HiRes;
34	use Compress::LZF;	57	use Compress::LZF;
35	use Digest::MD5 ();	58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
36		61
37	# configure various modules to our taste	62	# configure various modules to our taste
38	#	63	#
39	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	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		67
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		69
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		71
…		…
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	93	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
75		96
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	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	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	99	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		101
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	102	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	103	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	105	our $DB_ENV;
89		106
90	our %CFG;	107	our %CFG;
91		108
92	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
94		112
95	our (%PLAYER, %PLAYER_LOADING); # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
98		116
99	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		119
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	123	our $TICK_START; # for load detecting purposes
105		124
106	binmode STDOUT;	125	binmode STDOUT;
107	binmode STDERR;	126	binmode STDERR;
108		127
109	# read virtual server time, if available	128	# read virtual server time, if available
…		…
162		181
163	The raw value load value from the last tick.	182	The raw value load value from the last tick.
164		183
165	=item %cf::CFG	184	=item %cf::CFG
166		185
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	187	from wherever your confdir points to.
169		188
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		190
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	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;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		213
195	LOG llevError, $msg;	214	LOG llevError, $msg;
196	};	215	};
197	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
198		232
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
215	)) {	249	)) {
216	no strict 'refs';	250	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	252	}
219		253
220	$Event::DIED = sub {	254	$EV::DIED = sub {
221	warn "error in event callback: @_";	255	warn "error in event callback: @_";
222	};	256	};
223		257
224	#############################################################################	258	#############################################################################
225		259
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	283	$d
250	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
251	}	285	}
252		286
253	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
254		288
255	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
256		290
257	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
258		292
259	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
260		294
261	=cut	295	=cut
262		296
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		298
265	sub to_json ($) { $json_coder->encode ($_[0]) }	299	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	300	sub decode_json($) { $json_coder->decode ($_[0]) }
267		301
268	=item cf::lock_wait $string	302	=item cf::lock_wait $string
269		303
270	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
271		305
…		…
327		361
328	! ! $LOCK{$key}	362	! ! $LOCK{$key}
329	}	363	}
330		364
331	sub freeze_mainloop {	365	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
333		367
334	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	369	}
336	};	370
337	$TICK_WATCHER->stop;	371	=item cf::periodic $interval, $cb
338	$guard	372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
339	}	384	}
340		385
341	=item cf::get_slot $time[, $priority[, $name]]	386	=item cf::get_slot $time[, $priority[, $name]]
342		387
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
354	our @SLOT_QUEUE;	399	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	400	our $SLOT_QUEUE;
356		401
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
359	my $signal = new Coro::Signal;	406	my $signal = new Coro::Signal;
360		407
361	while () {	408	while () {
362	next_job:	409	next_job:
363	my $avail = cf::till_tick;	410	my $avail = cf::till_tick;
…		…
371	}	418	}
372	}	419	}
373	}	420	}
374		421
375	if (@SLOT_QUEUE) {	422	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	424	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	425	$signal->wait;
379	} else {	426	} else {
380	Coro::schedule;	427	Coro::schedule;
381	}	428	}
382	}	429	}
383	};	430	};
384		431
385	sub get_slot($;$$) {	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
386	my ($time, $pri, $name) = @_;	435	my ($time, $pri, $name) = @_;
387		436
388	$time = $TICK * .6 if $time > $TICK * .6;	437	$time = $TICK * .6 if $time > $TICK * .6;
389	my $sig = new Coro::Signal;	438	my $sig = new Coro::Signal;
390		439
…		…
404		453
405	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
406		455
407	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
408		457
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	458	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	459	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	461	acceptable.
413		462
414	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
…		…
420		469
421	sub sync_job(&) {	470	sub sync_job(&) {
422	my ($job) = @_;	471	my ($job) = @_;
423		472
424	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
425	my $time = Event::time;	474	my $time = EV::time;
426		475
427	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
429		478
430	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	480
432	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
433		482
434	my $busy = 1;	483	my $busy = 1;
435	my @res;	484	my @res;
436		485
437	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	488	@res = eval { $job->() };
439	warn $@ if $@;	489	warn $@ if $@;
440	undef $busy;	490	undef $busy;
441	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
442		492
443	while ($busy) {	493	while ($busy) {
444	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
445	}	498	}
		499	}
446		500
447	$time = Event::time - $time;	501	my $time = EV::time - $time;
448		502
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	503	$TICK_START += $time; # do not account sync jobs to server load
453		504
454	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
455	} else {	506	} else {
456	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
457		508
…		…
482	=item fork_call { }, $args	533	=item fork_call { }, $args
483		534
484	Executes the given code block with the given arguments in a seperate	535	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	536	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	537	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	538	never block itself or use any form of event handling.
488		539
489	=cut	540	=cut
490		541
491	sub fork_call(&@) {	542	sub fork_call(&@) {
492	my ($cb, @args) = @_;	543	my ($cb, @args) = @_;
…		…
499	reset_signals;	550	reset_signals;
500	&$cb	551	&$cb
501	}, @args;	552	}, @args;
502		553
503	wantarray ? @res : $res[-1]	554	wantarray ? @res : $res[-1]
		555	}
		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
504	}	582	}
505		583
506	=item $value = cf::db_get $family => $key	584	=item $value = cf::db_get $family => $key
507		585
508	Returns a single value from the environment database.	586	Returns a single value from the environment database.
…		…
653	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
655		733
656	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	736	Deliantra).
659		737
660	=over 4	738	=over 4
661		739
662	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
663		741
…		…
945	}	1023	}
946		1024
947	0	1025	0
948	}	1026	}
949		1027
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1029
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1031
954	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
955		1033
…		…
961		1039
962	=cut	1040	=cut
963		1041
964	#############################################################################	1042	#############################################################################
965	# object support	1043	# object support
966	#
967		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
968	sub _can_merge {	1078	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1079	my ($ob1, $ob2) = @_;
970		1080
971	local $Storable::canonical = 1;	1081	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1082
975	$fob1 eq $fob2	1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
976	}	1085	}
977		1086
978	sub reattach {	1087	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1089	my ($obj) = @_;
…		…
1002	cf::attachable->attach (	1111	cf::attachable->attach (
1003	prio => -1000000,	1112	prio => -1000000,
1004	on_instantiate => sub {	1113	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
1006		1115
1007	$data = from_json $data;	1116	$data = decode_json $data;
1008		1117
1009	for (@$data) {	1118	for (@$data) {
1010	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
1011		1120
1012	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
1033	utf8::decode (my $decname = $filename);	1142	utf8::decode (my $decname = $filename);
1034	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
1035	$decname, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
1036		1145
1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1038	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1040	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
1041	close $fh;	1150	aio_close $fh;
1042		1151
1043	if (@$objs) {	1152	if (@$objs) {
1044	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1045	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1046	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1047	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
1048	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
1049	close $fh;	1158	aio_close $fh;
1050	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
1051	}	1160	}
1052	} else {	1161	} else {
1053	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
1054	}	1163	}
…		…
1082		1191
1083	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
1084	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
1085	or return;	1194	or return;
1086		1195
1087	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
1088	}	1198	}
1089		1199
1090	utf8::decode (my $decname = $filename);	1200	utf8::decode (my $decname = $filename);
1091	warn sprintf "loading %s (%d,%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
1092	$decname, length $data, scalar @{$av || []};	1202	$decname, length $data, scalar @{$av || []};
…		…
1248	my $msg = $@ ? "$v->{path}: $@\n"	1358	my $msg = $@ ? "$v->{path}: $@\n"
1249	: "$v->{base}: extension inactive.\n";	1359	: "$v->{base}: extension inactive.\n";
1250		1360
1251	if (exists $v->{meta}{mandatory}) {	1361	if (exists $v->{meta}{mandatory}) {
1252	warn $msg;	1362	warn $msg;
1253	warn "mandatory extension failed to load, exiting.\n";	1363	cf::cleanup "mandatory extension failed to load, exiting.";
1254	exit 1;
1255	}	1364	}
1256		1365
1257	warn $msg;	1366	warn $msg;
1258	}	1367	}
1259		1368
…		…
1348	my $f = new_from_file cf::object::thawer path $login	1457	my $f = new_from_file cf::object::thawer path $login
1349	or return;	1458	or return;
1350		1459
1351	my $pl = cf::player::load_pl $f	1460	my $pl = cf::player::load_pl $f
1352	or return;	1461	or return;
		1462
1353	local $cf::PLAYER_LOADING{$login} = $pl;	1463	local $cf::PLAYER_LOADING{$login} = $pl;
1354	$f->resolve_delayed_derefs;	1464	$f->resolve_delayed_derefs;
1355	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
1356	}	1466	}
1357	}	1467	}
…		…
1367		1477
1368	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1369		1479
1370	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1371	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
		1482
		1483	cf::get_slot 0.01;
1372		1484
1373	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1374	cf::cede_to_tick;	1486	cf::cede_to_tick;
1375	}	1487	}
1376		1488
…		…
1412	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1413	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1414		1526
1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1416	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1417	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1418	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1419		1533
1420	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1421	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1460		1574
1461	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
1462	my $path = path $login;	1576	my $path = path $login;
1463		1577
1464	# a .pst is a dead give-away for a valid player	1578	# a .pst is a dead give-away for a valid player
1465	unless (-e "$path.pst") {	1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1467	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1468	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
1469	}	1584	}
1470		1585
…		…
1507		1622
1508	Expand crossfire pod fragments into protocol xml.	1623	Expand crossfire pod fragments into protocol xml.
1509		1624
1510	=cut	1625	=cut
1511		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
1512	sub expand_cfpod {	1638	sub expand_cfpod {
1513	((my $self), (local $_)) = @_;	1639	my ($self, $pod) = @_;
1514		1640
1515	# escape & and <	1641	my $xml;
1516	s/&/&amp;/g;
1517	s/(?<![BIUGHT])</&lt;/g;
1518		1642
1519	# this is buggy, it needs to properly take care of nested <'s	1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
1520		1646
1521	1 while	1647	$group =~ s/&/&amp;/g;
1522	# replace B<>, I<>, U<> etc.	1648	$group =~ s/</&lt;/g;
1523	s/B<([^\>]*)>/<b>$1<\/b>/	1649
1524	|| s/I<([^\>]*)>/<i>$1<\/i>/	1650	$xml .= $group;
1525	|| s/U<([^\>]*)>/<u>$1<\/u>/	1651	} elsif ($pod =~ m%\G
1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1652	([BCGHITU])
1527	# replace G<male|female> tags	1653	<
1528	|| s{G<([^>|]*)\|([^>]*)>}{	1654	(?:
1529	$self->gender ? $2 : $1	1655	([^<>]*) (?{ $group = $^N })
1530	}ge	1656	| < $interior >
1531	# replace H<hint text>	1657	)
1532	|| s{H<([^\>]*)>}	1658	>
		1659	%gcsx
1533	{	1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1536	"")	1680	"")
1537	[$self->{hintmode}]	1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
1538	}ge;	1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
1539		1692
		1693	for ($xml) {
1540	# create single paragraphs (very hackish)	1694	# create single paragraphs (very hackish)
1541	s/(?<=\S)\n(?=\w)/ /g;	1695	s/(?<=\S)\n(?=\w)/ /g;
1542		1696
1543	# compress some whitespace	1697	# compress some whitespace
1544	s/\s+\n/\n/g; # ws line-ends	1698	s/\s+\n/\n/g; # ws line-ends
1545	s/\n\n+/\n/g; # double lines	1699	s/\n\n+/\n/g; # double lines
1546	s/^\n+//; # beginning lines	1700	s/^\n+//; # beginning lines
1547	s/\n+$//; # ending lines	1701	s/\n+$//; # ending lines
		1702	}
1548		1703
1549	$_	1704	$xml
1550	}	1705	}
		1706
		1707	no re 'eval';
1551		1708
1552	sub hintmode {	1709	sub hintmode {
1553	$_[0]{hintmode} = $_[1] if @_ > 1;	1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1554	$_[0]{hintmode}	1711	$_[0]{hintmode}
1555	}	1712	}
…		…
1627	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1628	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1629		1786
1630	sub generate_random_map {	1787	sub generate_random_map {
1631	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1632	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1633	$self->_create_random_map (	1793	$self->_create_random_map (
1634	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1635	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1636	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1758		1918
1759	# the temporary/swap location	1919	# the temporary/swap location
1760	sub save_path {	1920	sub save_path {
1761	my ($self) = @_;	1921	my ($self) = @_;
1762		1922
1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1764	"$TMPDIR/$path.map"	1924	"$TMPDIR/$path.map"
1765	}	1925	}
1766		1926
1767	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1768	sub uniq_path {	1928	sub uniq_path {
1769	my ($self) = @_;	1929	my ($self) = @_;
1770		1930
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$UNIQUEDIR/$path"	1932	"$UNIQUEDIR/$path"
1773	}	1933	}
1774		1934
1775	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1776	# all maps in C++...	1936	# all maps in C++...
…		…
1874		2034
1875	cf::lock_wait "map_data:$path";#d#remove	2035	cf::lock_wait "map_data:$path";#d#remove
1876	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1877		2037
1878	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1879	my $guard1 = cf::lock_acquire "map_find:$path";
1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2040	my $guard2 = cf::lock_acquire "map_find:$path";
1881		2041
1882	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1883	or return;	2043	or return;
1884		2044
1885	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
…		…
1888	or return;	2048	or return;
1889		2049
1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1891	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1892	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
1893	undef $guard1;	2054	undef $guard1;
1894	undef $guard2;
1895	$map->reset;	2055	$map->reset;
1896	return find $path;	2056	return find $path;
1897	}	2057	}
1898		2058
1899	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
…		…
1962	}	2122	}
1963		2123
1964	$self->{last_save} = $cf::RUNTIME;	2124	$self->{last_save} = $cf::RUNTIME;
1965	$self->last_access ($cf::RUNTIME);	2125	$self->last_access ($cf::RUNTIME);
1966		2126
1967	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
1968	}	2128	}
1969		2129
1970	$self->post_load;	2130	$self->post_load;
1971	}	2131	}
1972		2132
…		…
2030	my ($path, $origin, $load) = @_;	2190	my ($path, $origin, $load) = @_;
2031		2191
2032	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
2033		2193
2034	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2036	}	2196	}
2037		2197
2038	$MAP_PREFETCH{$path} |= $load;	2198	$MAP_PREFETCH{$path} |= $load;
2039		2199
2040	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
2041	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
2042	while (my ($k, $v) = each %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
2043	if (my $map = find $k) {	2205	if (my $map = find $k) {
2044	$map->load if $v;	2206	$map->load if $v;
2045	}	2207	}
…		…
2071	return if $self->{deny_save};	2233	return if $self->{deny_save};
2072		2234
2073	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
2074		2236
2075	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
2076	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
2077	};	2240	};
		2241
		2242	cf::get_slot 0.02;
2078		2243
2079	if ($uniq) {	2244	if ($uniq) {
2080	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2081	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2082	} else {	2247	} else {
…		…
2091	$self->save;	2256	$self->save;
2092		2257
2093	my $lock = cf::lock_acquire "map_data:$self->{path}";	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
2094		2259
2095	return if $self->players;	2260	return if $self->players;
2096	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
2097	return if $self->{deny_save};	2262	return if $self->{deny_save};
2098		2263
2099	$self->in_memory (cf::MAP_SWAPPED);	2264	$self->in_memory (cf::MAP_SWAPPED);
2100		2265
2101	$self->deactivate;	2266	$self->deactivate;
…		…
2219		2384
2220	sub unique_maps() {	2385	sub unique_maps() {
2221	[	2386	[
2222	map {	2387	map {
2223	utf8::decode $_;	2388	utf8::decode $_;
2224	/\.map$/	2389	s/\.map$//; # TODO future compatibility hack
		2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2391	? ()
2225	? normalise $_	2392	: normalise $_
2226	: ()
2227	} @{ aio_readdir $UNIQUEDIR or [] }	2393	} @{ aio_readdir $UNIQUEDIR or [] }
2228	]	2394	]
2229	}	2395	}
2230		2396
2231	package cf;
2232
2233	=back	2397	=back
2234		2398
2235	=head3 cf::object	2399	=head3 cf::object
2236		2400
2237	=cut	2401	=cut
…		…
2240		2404
2241	=over 4	2405	=over 4
2242		2406
2243	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2244		2408
2245	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2246		2411
2247	=cut	2412	=cut
2248		2413
2249	sub inv_recursive_;	2414	sub inv_recursive_;
2250	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2255	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2256	}	2421	}
2257		2422
2258	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2259		2424
2260	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2261		2426
2262	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2263		2428
2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2265	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2267	=cut	2432	=cut
2268		2433
2269	sub deref {	2434	sub deref {
2270	my ($ref) = @_;	2435	my ($ref) = @_;
2271		2436
2272	# temporary compatibility#TODO#remove
2273	$ref =~ s{^<}{player/<};
2274
2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2276	my ($uuid, $name) = ($1, $2);	2438	my ($uuid, $name) = ($1, $2);
2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278	or return;	2440	or return;
2279	$pl->ob->uuid eq $uuid	2441	$pl->ob->uuid eq $uuid
2280	or return;	2442	or return;
…		…
2300	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2301	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2302		2464
2303	=cut	2465	=cut
2304		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2305	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2306	# with dialog boxes.	2482	# with dialog boxes.
2307	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2308	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2309	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2320	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2322		2498
2323	} else {	2499	} else {
2324	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2325	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2326	}	2502	}
2327	}	2503	}
2328	}	2504	}
2329		2505
2330	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438	her, loading and preparing them map, calling the provided $check callback	2614	her, loading and preparing them map, calling the provided $check callback
2439	that has to return the map if sucecssful, and then unfreezes the player on	2615	that has to return the map if sucecssful, and then unfreezes the player on
2440	the new (success) or old (failed) map position. In either case, $done will	2616	the new (success) or old (failed) map position. In either case, $done will
2441	be called at the end of this process.	2617	be called at the end of this process.
2442		2618
		2619	Note that $check will be called with a potentially non-loaded map, so if
		2620	it needs a loaded map it has to call C<< ->load >>.
		2621
2443	=cut	2622	=cut
2444		2623
2445	our $GOTOGEN;	2624	our $GOTOGEN;
2446		2625
2447	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
…		…
2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2452		2631
2453	$self->enter_link;	2632	$self->enter_link;
2454		2633
2455	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
2456	# *tag paths override both path and x|y	2637	# *tag paths override both path and x|y
2457	if ($path =~ /^\*(.*)$/) {	2638	if ($path =~ /^\*(.*)$/) {
2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459	my $ob = $obs[rand @obs];	2640	my $ob = $obs[rand @obs];
2460		2641
…		…
2523	}	2704	}
2524		2705
2525	sub prepare_random_map {	2706	sub prepare_random_map {
2526	my ($exit) = @_;	2707	my ($exit) = @_;
2527		2708
2528	my $guard = cf::lock_acquire "exit_prepare:$exit";
2529
2530	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
2531	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
2532	# that depends on the exit object	2711	# that depends on the exit object
2533		2712
2534	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
2536	if ($exit->map) {	2715	if ($exit->map) {
2537	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
2538	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
2539	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
2540	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
2541	}	2722	}
2542		2723
2543	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
2544		2725
2545	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2546	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
2547	my $meta = "$RANDOMDIR/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
2548		2729
2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2550	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
2551	undef $fh;	2732	undef $fh;
2552	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
2553		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
2554	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
2555	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
2556	}	2741	}
2557	}	2742	}
2558		2743
2559	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
2560	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
2561		2746
2562	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
2563		2748
2564	if ($exit->slaying eq "/!") {
2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
2566	# the problem is that $exit might not survive long enough
2567	# so it needs to be done right now, right here
2568	cf::sync_job { prepare_random_map $exit };
2569	}
2570
2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2572	my $hp = $exit->stats->hp;
2573	my $sp = $exit->stats->sp;
2574
2575	$self->enter_link;	2749	$self->enter_link;
2576		2750
2577	# if exit is damned, update players death & WoR home-position
2578	$self->contr->savebed ($slaying, $hp, $sp)
2579	if $exit->flag (FLAG_DAMNED);
2580
2581	(async {	2751	(async {
2582	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
2583	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
2584	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
2585		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
2586	1;	2775	1
2587	}) {	2776	}) {
2588	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
2589	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
2590	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
2591	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2621	the message, with C<log> being the default. If C<$color> is negative, suppress	2810	the message, with C<log> being the default. If C<$color> is negative, suppress
2622	the message unless the client supports the msg packet.	2811	the message unless the client supports the msg packet.
2623		2812
2624	=cut	2813	=cut
2625		2814
		2815	# non-persistent channels (usually the info channel)
2626	our %CHANNEL = (	2816	our %CHANNEL = (
2627	"c/identify" => {	2817	"c/identify" => {
2628	id => "identify",	2818	id => "infobox",
2629	title => "Identify",	2819	title => "Identify",
2630	reply => undef,	2820	reply => undef,
2631	tooltip => "Items recently identified",	2821	tooltip => "Items recently identified",
2632	},	2822	},
2633	"c/examine" => {	2823	"c/examine" => {
2634	id => "examine",	2824	id => "infobox",
2635	title => "Examine",	2825	title => "Examine",
2636	reply => undef,	2826	reply => undef,
2637	tooltip => "Signs and other items you examined",	2827	tooltip => "Signs and other items you examined",
2638	},	2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
2639	);	2871	);
2640		2872
2641	sub cf::client::send_msg {	2873	sub cf::client::send_msg {
2642	my ($self, $channel, $msg, $color, @extra) = @_;	2874	my ($self, $channel, $msg, $color, @extra) = @_;
2643		2875
2644	$msg = $self->pl->expand_cfpod ($msg);	2876	$msg = $self->pl->expand_cfpod ($msg);
2645		2877
2646	$color &= cf::NDI_CLIENT_MASK; # just in case...	2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
2647		2879
2648	# check predefined channels, for the benefit of C	2880	# check predefined channels, for the benefit of C
2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
2650		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
2651	if (ref $channel) {	2889	} elsif (ref $channel) {
2652	# send meta info to client, if not yet sent	2890	# send meta info to client, if not yet sent
2653	unless (exists $self->{channel}{$channel->{id}}) {	2891	unless (exists $self->{channel}{$channel->{id}}) {
2654	$self->{channel}{$channel->{id}} = $channel;	2892	$self->{channel}{$channel->{id}} = $channel;
2655	$self->ext_msg (channel_info => $channel)	2893	$self->ext_msg (channel_info => $channel)
2656	if $self->can_msg;	2894	if $self->can_msg;
…		…
2873	=pod	3111	=pod
2874		3112
2875	The following functions and methods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2876		3114
2877	cf::object	3115	cf::object
2878	contr pay_amount pay_player map x y force_find force_add	3116	contr pay_amount pay_player map x y force_find force_add destroy
2879	insert remove name archname title slaying race decrease_ob_nr	3117	insert remove name archname title slaying race decrease split
2880		3118
2881	cf::object::player	3119	cf::object::player
2882	player	3120	player
2883		3121
2884	cf::player	3122	cf::player
…		…
2889		3127
2890	=cut	3128	=cut
2891		3129
2892	for (	3130	for (
2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894	insert remove inv name archname title slaying race	3132	insert remove inv nrof name archname title slaying race
2895	decrease_ob_nr)],	3133	decrease split destroy)],
2896	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2897	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2898	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2899	) {	3137	) {
2900	no strict 'refs';	3138	no strict 'refs';
…		…
3005	{	3243	{
3006	my $faces = $facedata->{faceinfo};	3244	my $faces = $facedata->{faceinfo};
3007		3245
3008	while (my ($face, $info) = each %$faces) {	3246	while (my ($face, $info) = each %$faces) {
3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3248
3010	cf::face::set_visibility $idx, $info->{visibility};	3249	cf::face::set_visibility $idx, $info->{visibility};
3011	cf::face::set_magicmap $idx, $info->{magicmap};	3250	cf::face::set_magicmap $idx, $info->{magicmap};
3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3014		3253
3015	cf::cede_to_tick;	3254	cf::cede_to_tick;
3016	}	3255	}
3017		3256
3018	while (my ($face, $info) = each %$faces) {	3257	while (my ($face, $info) = each %$faces) {
3019	next unless $info->{smooth};	3258	next unless $info->{smooth};
		3259
3020	my $idx = cf::face::find $face	3260	my $idx = cf::face::find $face
3021	or next;	3261	or next;
		3262
3022	if (my $smooth = cf::face::find $info->{smooth}) {	3263	if (my $smooth = cf::face::find $info->{smooth}) {
3023	cf::face::set_smooth $idx, $smooth;	3264	cf::face::set_smooth $idx, $smooth;
3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3025	} else {	3266	} else {
3026	warn "smooth face '$info->{smooth}' not found for face '$face'";	3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3044	{	3285	{
3045	# TODO: for gcfclient pleasure, we should give resources	3286	# TODO: for gcfclient pleasure, we should give resources
3046	# that gcfclient doesn't grok a >10000 face index.	3287	# that gcfclient doesn't grok a >10000 face index.
3047	my $res = $facedata->{resource};	3288	my $res = $facedata->{resource};
3048		3289
3049	my $soundconf = delete $res->{"res/sound.conf"};
3050
3051	while (my ($name, $info) = each %$res) {	3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3053	my $data;	3293	my $data;
3054		3294
3055	if ($info->{type} & 1) {	3295	if ($info->{type} & 1) {
3056	# prepend meta info	3296	# prepend meta info
3057		3297
3058	my $meta = $enc->encode ({	3298	my $meta = $enc->encode ({
3059	name => $name,	3299	name => $name,
3060	%{ $info->{meta} || {} },	3300	%{ $info->{meta} || {} },
3061	});	3301	});
3062		3302
3063	$data = pack "(w/a*)*", $meta, $info->{data};	3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
3064	} else {	3310	} else {
3065	$data = $info->{data};	3311	$RESOURCE{$name} = $info;
3066	}	3312	}
3067		3313
3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3069	cf::face::set_type $idx, $info->{type};
3070
3071	cf::cede_to_tick;	3314	cf::cede_to_tick;
3072	}	3315	}
3073
3074	if ($soundconf) {
3075	$soundconf = $enc->decode (delete $soundconf->{data});
3076
3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3078	my $sound = $soundconf->{compat}[$_]
3079	or next;
3080
3081	my $face = cf::face::find "sound/$sound->[1]";
3082	cf::sound::set $sound->[0] => $face;
3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3084	}
3085
3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
3087	my $face = cf::face::find "sound/$v";
3088	cf::sound::set $k => $face;
3089	}
3090	}
3091	}	3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3092		3319
3093	1	3320	1
3094	}	3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
3095		3342
3096	register_exticmd fx_want => sub {	3343	register_exticmd fx_want => sub {
3097	my ($ns, $want) = @_;	3344	my ($ns, $want) = @_;
3098		3345
3099	while (my ($k, $v) = each %$want) {	3346	while (my ($k, $v) = each %$want) {
3100	$ns->fx_want ($k, $v);	3347	$ns->fx_want ($k, $v);
3101	}	3348	}
3102	};	3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
3103		3360
3104	sub reload_regions {	3361	sub reload_regions {
3105	# HACK to clear player env face cache, we need some signal framework	3362	# HACK to clear player env face cache, we need some signal framework
3106	# for this (global event?)	3363	# for this (global event?)
3107	%ext::player_env::MUSIC_FACE_CACHE = ();	3364	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3121	}	3378	}
3122		3379
3123	sub reload_archetypes {	3380	sub reload_archetypes {
3124	load_resource_file "$DATADIR/archetypes"	3381	load_resource_file "$DATADIR/archetypes"
3125	or die "unable to load archetypes\n";	3382	or die "unable to load archetypes\n";
3126	#d# NEED to laod twice to resolve forward references
3127	# this really needs to be done in an extra post-pass
3128	# (which needs to be synchronous, so solve it differently)
3129	load_resource_file "$DATADIR/archetypes"
3130	or die "unable to load archetypes\n";
3131	}	3383	}
3132		3384
3133	sub reload_treasures {	3385	sub reload_treasures {
3134	load_resource_file "$DATADIR/treasures"	3386	load_resource_file "$DATADIR/treasures"
3135	or die "unable to load treasurelists\n";	3387	or die "unable to load treasurelists\n";
3136	}	3388	}
3137		3389
3138	sub reload_resources {	3390	sub reload_resources {
3139	warn "reloading resource files...\n";	3391	warn "reloading resource files...\n";
3140		3392
		3393	reload_facedata;
		3394	reload_archetypes;
3141	reload_regions;	3395	reload_regions;
3142	reload_facedata;
3143	#reload_archetypes;#d#
3144	reload_archetypes;
3145	reload_treasures;	3396	reload_treasures;
3146		3397
3147	warn "finished reloading resource files\n";	3398	warn "finished reloading resource files\n";
3148	}	3399	}
3149		3400
3150	sub init {	3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
3151	reload_resources;	3406	reload_resources;
3152	}	3407	}
3153		3408
3154	sub reload_config {	3409	sub reload_config {
3155	open my $fh, "<:utf8", "$CONFDIR/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
3156	or return;	3411	or return;
3157		3412
3158	local $/;	3413	local $/;
3159	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
3160		3415
3161	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3162		3417
3163	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3164	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3175	sub main {	3430	sub main {
3176	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
3177	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
3178	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3179	(async {	3434	(async {
3180	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
3181	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
3182	};	3438	};
3183		3439
		3440	{
		3441	my $guard = freeze_mainloop;
3184	reload_config;	3442	reload_config;
3185	db_init;	3443	db_init;
3186	load_extensions;	3444	load_extensions;
3187		3445
3188	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
3189	Event::loop;	3449	EV::loop;
3190	}	3450	}
3191		3451
3192	#############################################################################	3452	#############################################################################
3193	# initialisation and cleanup	3453	# initialisation and cleanup
3194		3454
3195	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
3196	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
3197	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
3198	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3199	reentrant => 0,
3200	data => WF_AUTOCANCEL,
3201	signal => $signal,
3202	prio => 0,
3203	cb => sub {
3204	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
3205	},
3206	);	3461	};
3207	}	3462	}
3208	}	3463	}
3209		3464
3210	sub write_runtime {	3465	sub write_runtime_sync {
3211	my $runtime = "$LOCALDIR/runtime";	3466	my $runtime = "$LOCALDIR/runtime";
3212		3467
3213	# first touch the runtime file to show we are still running:	3468	# first touch the runtime file to show we are still running:
3214	# the fsync below can take a very very long time.	3469	# the fsync below can take a very very long time.
3215		3470
…		…
3241	and return;	3496	and return;
3242		3497
3243	warn "runtime file written.\n";	3498	warn "runtime file written.\n";
3244		3499
3245	1	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
3246	}	3544	}
3247		3545
3248	sub emergency_save() {	3546	sub emergency_save() {
3249	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
3250		3548
…		…
3256	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
3257	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
3258	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
3259	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
3260	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3261	$pl->save;	3560	$pl->save;
3262	}	3561	}
3263	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
3264		3563
3265	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
3271	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
3272		3571
3273	warn "begin emergency database checkpoint\n";	3572	warn "begin emergency database checkpoint\n";
3274	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3275	warn "end emergency database checkpoint\n";	3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
3276	};	3579	};
3277		3580
3278	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
3279	}	3582	}
3280		3583
…		…
3295	warn "reloading...";	3598	warn "reloading...";
3296		3599
3297	warn "entering sync_job";	3600	warn "entering sync_job";
3298		3601
3299	cf::sync_job {	3602	cf::sync_job {
3300	cf::write_runtime; # external watchdog should not bark	3603	cf::write_runtime_sync; # external watchdog should not bark
3301	cf::emergency_save;	3604	cf::emergency_save;
3302	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
3303		3606
3304	warn "syncing database to disk";	3607	warn "syncing database to disk";
3305	BDB::db_env_txn_checkpoint $DB_ENV;	3608	BDB::db_env_txn_checkpoint $DB_ENV;
3306		3609
3307	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
3308
3309	warn "cancelling all WF_AUTOCANCEL watchers";
3310	for (Event::all_watchers) {
3311	$_->cancel if $_->data & WF_AUTOCANCEL;
3312	}
3313		3611
3314	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
3315	for (;;) {	3613	for (;;) {
3316	BDB::flush;	3614	BDB::flush;
3317	IO::AIO::flush;	3615	IO::AIO::flush;
3318	Coro::cede;	3616	Coro::cede_notself;
3319	last unless IO::AIO::nreqs || BDB::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
3320	warn "iterate...";	3618	warn "iterate...";
3321	}	3619	}
3322		3620
3323	++$RELOAD;	3621	++$RELOAD;
…		…
3399	warn "leaving sync_job";	3697	warn "leaving sync_job";
3400		3698
3401	1	3699	1
3402	} or do {	3700	} or do {
3403	warn $@;	3701	warn $@;
3404	warn "error while reloading, exiting.";	3702	cf::cleanup "error while reloading, exiting.";
3405	exit 1;
3406	};	3703	};
3407		3704
3408	warn "reloaded";	3705	warn "reloaded";
3409	};	3706	};
3410		3707
…		…
3412		3709
3413	sub reload_perl() {	3710	sub reload_perl() {
3414	# doing reload synchronously and two reloads happen back-to-back,	3711	# doing reload synchronously and two reloads happen back-to-back,
3415	# coro crashes during coro_state_free->destroy here.	3712	# coro crashes during coro_state_free->destroy here.
3416		3713
3417	$RELOAD_WATCHER ||= Event->timer (	3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3418	reentrant => 0,
3419	after => 0,
3420	data => WF_AUTOCANCEL,
3421	cb => sub {
3422	do_reload_perl;	3715	do_reload_perl;
3423	undef $RELOAD_WATCHER;	3716	undef $RELOAD_WATCHER;
3424	},
3425	);	3717	};
3426	}	3718	}
3427		3719
3428	register_command "reload" => sub {	3720	register_command "reload" => sub {
3429	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
3430		3722
3431	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
3432	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
		3725	async {
		3726	$Coro::current->{desc} = "perl_reload";
3433	async { reload_perl };	3727	reload_perl;
		3728	};
3434	}	3729	}
3435	};	3730	};
3436		3731
3437	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
3438		3733
…		…
3440		3735
3441	our @WAIT_FOR_TICK;	3736	our @WAIT_FOR_TICK;
3442	our @WAIT_FOR_TICK_BEGIN;	3737	our @WAIT_FOR_TICK_BEGIN;
3443		3738
3444	sub wait_for_tick {	3739	sub wait_for_tick {
3445	return unless $TICK_WATCHER->is_active;
3446	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
3447		3741
3448	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
3449	push @WAIT_FOR_TICK, $signal;	3743	push @WAIT_FOR_TICK, $signal;
3450	$signal->wait;	3744	$signal->wait;
3451	}	3745	}
3452		3746
3453	sub wait_for_tick_begin {	3747	sub wait_for_tick_begin {
3454	return unless $TICK_WATCHER->is_active;
3455	return if $Coro::current == $Coro::main;	3748	return if tick_inhibit || $Coro::current == $Coro::main;
3456		3749
3457	my $signal = new Coro::Signal;	3750	my $signal = new Coro::Signal;
3458	push @WAIT_FOR_TICK_BEGIN, $signal;	3751	push @WAIT_FOR_TICK_BEGIN, $signal;
3459	$signal->wait;	3752	$signal->wait;
3460	}	3753	}
3461		3754
3462	$TICK_WATCHER = Event->timer (	3755	sub tick {
3463	reentrant => 0,
3464	parked => 1,
3465	prio => 0,
3466	at => $NEXT_TICK || $TICK,
3467	data => WF_AUTOCANCEL,
3468	cb => sub {
3469	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3471	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
3472	return;	3759	return;
3473	}	3760	}
3474		3761
3475	$NOW = $tick_start = Event::time;
3476
3477	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
3478		3763
3479	$RUNTIME += $TICK;
3480	$NEXT_TICK += $TICK;
3481
3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483	$NEXT_RUNTIME_WRITE = $NOW + 10;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3484	Coro::async_pool {	3766	Coro::async_pool {
		3767	$Coro::current->{desc} = "runtime saver";
3485	write_runtime	3768	write_runtime_sync
3486	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
3487	};
3488	}	3770	};
		3771	}
3489		3772
3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3491	$sig->send;	3774	$sig->send;
3492	}	3775	}
3493	while (my $sig = shift @WAIT_FOR_TICK) {	3776	while (my $sig = shift @WAIT_FOR_TICK) {
3494	$sig->send;	3777	$sig->send;
3495	}	3778	}
3496		3779
3497	$NOW = Event::time;	3780	$LOAD = ($NOW - $TICK_START) / $TICK;
3498
3499	# if we are delayed by four ticks or more, skip them all
3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3501
3502	$TICK_WATCHER->at ($NEXT_TICK);
3503	$TICK_WATCHER->start;
3504
3505	$LOAD = ($NOW - $tick_start) / $TICK;
3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507		3782
3508	_post_tick;	3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
3509	},	3789	}
3510	);	3790	}
3511		3791
3512	{	3792	{
		3793	# configure BDB
		3794
3513	BDB::min_parallel 8;	3795	BDB::min_parallel 8;
3514	BDB::max_poll_time $TICK * 0.1;	3796	BDB::max_poll_reqs $TICK * 0.1;
3515	$BDB_POLL_WATCHER = Event->io (	3797	$AnyEvent::BDB::WATCHER->priority (1);
3516	reentrant => 0,
3517	fd => BDB::poll_fileno,
3518	poll => 'r',
3519	prio => 0,
3520	data => WF_AUTOCANCEL,
3521	cb => \&BDB::poll_cb,
3522	);
3523
3524	BDB::set_sync_prepare {
3525	my $status;
3526	my $current = $Coro::current;
3527	(
3528	sub {
3529	$status = $!;
3530	$current->ready; undef $current;
3531	},
3532	sub {
3533	Coro::schedule while defined $current;
3534	$! = $status;
3535	},
3536	)
3537	};
3538		3798
3539	unless ($DB_ENV) {	3799	unless ($DB_ENV) {
3540	$DB_ENV = BDB::db_env_create;	3800	$DB_ENV = BDB::db_env_create;
3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3542	| BDB::LOG_AUTOREMOVE, 1);	3802	| BDB::LOG_AUTOREMOVE, 1);
…		…
3557		3817
3558	cf::cleanup "db_env_open(db): $@" if $@;	3818	cf::cleanup "db_env_open(db): $@" if $@;
3559	};	3819	};
3560	}	3820	}
3561		3821
3562	$BDB_DEADLOCK_WATCHER = Event->timer (	3822	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563	after => 3,
3564	interval => 1,
3565	hard => 1,
3566	prio => 0,
3567	data => WF_AUTOCANCEL,
3568	cb => sub {
3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3823	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3570	},
3571	);	3824	};
3572	$BDB_CHECKPOINT_WATCHER = Event->timer (	3825	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3573	after => 11,
3574	interval => 60,
3575	hard => 1,
3576	prio => 0,
3577	data => WF_AUTOCANCEL,
3578	cb => sub {
3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3826	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580	},
3581	);	3827	};
3582	$BDB_TRICKLE_WATCHER = Event->timer (	3828	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3583	after => 5,
3584	interval => 10,
3585	hard => 1,
3586	prio => 0,
3587	data => WF_AUTOCANCEL,
3588	cb => sub {
3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3829	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590	},
3591	);	3830	};
3592	}	3831	}
3593		3832
3594	{	3833	{
		3834	# configure IO::AIO
		3835
3595	IO::AIO::min_parallel 8;	3836	IO::AIO::min_parallel 8;
3596
3597	undef $Coro::AIO::WATCHER;
3598	IO::AIO::max_poll_time $TICK * 0.1;	3837	IO::AIO::max_poll_time $TICK * 0.1;
3599	$AIO_POLL_WATCHER = Event->io (	3838	undef $AnyEvent::AIO::WATCHER;
3600	reentrant => 0,
3601	data => WF_AUTOCANCEL,
3602	fd => IO::AIO::poll_fileno,
3603	poll => 'r',
3604	prio => 6,
3605	cb => \&IO::AIO::poll_cb,
3606	);
3607	}	3839	}
3608		3840
3609	my $_log_backtrace;	3841	my $_log_backtrace;
3610		3842
3611	sub _log_backtrace {	3843	sub _log_backtrace {
…		…
3615		3847
3616	# limit the # of concurrent backtraces	3848	# limit the # of concurrent backtraces
3617	if ($_log_backtrace < 2) {	3849	if ($_log_backtrace < 2) {
3618	++$_log_backtrace;	3850	++$_log_backtrace;
3619	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
3620	my @bt = fork_call {	3854	my @bt = fork_call {
3621	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624	or die "addr2line: $!";	3858	or die "addr2line: $!";

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