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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 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 Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
18	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
		49	use Coro::Storable;
		50	use Coro::Util ();
19		51
		52	use JSON::XS 2.01 ();
		53	use BDB ();
20	use Data::Dumper;	54	use Data::Dumper;
21	use Digest::MD5;	55	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
		57	use YAML ();
23	use IO::AIO 2.32 ();	58	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		75
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		77
36	our %COMMAND = ();	78	our %COMMAND = ();
37	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
		80
		81	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
		84	our %EXT_CORO = (); # coroutines bound to extensions
		85	our %EXT_MAP = (); # pluggable maps
39		86
		87	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	88	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		89
43	our $TICK = MAX_TIME * 1e-6;	90	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	91	our $DATADIR = datadir;
		92	our $LIBDIR = "$DATADIR/ext";
		93	our $PODDIR = "$DATADIR/pod";
		94	our $MAPDIR = "$DATADIR/" . mapdir;
		95	our $LOCALDIR = localdir;
		96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		99	our $RANDOMDIR = "$LOCALDIR/random";
		100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
		105
		106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	108	our $NEXT_TICK;
46	our $NOW;	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
		113	our $BDB_TRICKLE_WATCHER;
		114	our $DB_ENV;
47		115
48	our %CFG;	116	our %CFG;
49		117
50	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
52		121
53	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	124	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		125
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	126	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		128
		129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
		132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
61		137
62	binmode STDOUT;	138	binmode STDOUT;
63	binmode STDERR;	139	binmode STDERR;
64		140
65	# read virtual server time, if available	141	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
70	}	146	}
71		147
72	mkdir cf::localdir;	148	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		150
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
		152
		153	sub cf::map::normalise;
81		154
82	#############################################################################	155	#############################################################################
83		156
84	=head2 GLOBAL VARIABLES	157	=head2 GLOBAL VARIABLES
85		158
…		…
92	=item $cf::RUNTIME	165	=item $cf::RUNTIME
93		166
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	167	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	168	every server tick.
96		169
97	=item $cf::LIBDIR	170	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		171	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		172	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		173
99	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	175	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		176	unique-items directory, player file directory, random maps directory and
		177	database environment.
101		178
102	=item $cf::NOW	179	=item $cf::NOW
103		180
104	The time of the last (current) server tick.	181	The time of the last (current) server tick.
105		182
106	=item $cf::TICK	183	=item $cf::TICK
107		184
108	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
109		186
		187	=item $cf::LOADAVG
		188
		189	The current CPU load on the server (alpha-smoothed), as a value between 0
		190	(none) and 1 (overloaded), indicating how much time is spent on processing
		191	objects per tick. Healthy values are < 0.5.
		192
		193	=item $cf::LOAD
		194
		195	The raw value load value from the last tick.
		196
110	=item %cf::CFG	197	=item %cf::CFG
111		198
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	200	from wherever your confdir points to.
114		201
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		203
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	205	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
121		213
122	=back	214	=back
123		215
124	=cut	216	=cut
125		217
126	BEGIN {	218	BEGIN {
127	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	220	my $msg = join "", @_;
129	utf8::encode $msg;
130		221
131	$msg .= "\n"	222	$msg .= "\n"
132	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
133		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
134	LOG llevError, $msg;	227	LOG llevError, $msg;
135	};	228	};
136	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
137		245
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		253
145	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	255	# within the Safe compartment.
147	for my $pkg (qw(	256	for my $pkg (qw(
148	cf::global cf::attachable	257	cf::global cf::attachable
149	cf::object cf::object::player	258	cf::object cf::object::player
150	cf::client cf::player	259	cf::client cf::player
151	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
152	cf::map cf::party cf::region	262	cf::party cf::region
153	)) {	263	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	265	}
157		266
158	$Event::DIED = sub {	267	$EV::DIED = sub {
159	warn "error in event callback: @_";	268	warn "error in event callback: @_";
160	};	269	};
161		270
162	my %ext_pkg;	271	#############################################################################
163	my @exts;
164	my @hook;
165		272
166	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
167		274
168	=over 4	275	=over 4
169		276
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	296	$d
190	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
191	}	298	}
192		299
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
196		301
197	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
198		303
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
207		305
208	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
209		307
210	=cut	308	=cut
211		309
212	sub to_json($) {	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	311
214	JSON::Syck::Dump $_[0]	312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
215	}	327	}
216		328
217	=item cf::lock_wait $string	329	=item cf::lock_wait $string
218		330
219	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
220		332
221	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
222		334
223	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
226	returned.	338	returned.
227		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
228	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
230		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
231	=cut	350	=cut
232		351
233	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
234		354
235	sub lock_wait($) {	355	sub lock_wait($) {
236	my ($key) = @_;	356	my ($key) = @_;
237		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
238	# wait for lock, if any	363	# wait for lock, if any
239	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
240	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	367	Coro::schedule;
242	}	368	}
243	}	369	}
244		370
…		…
247		373
248	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
249	lock_wait $key;	375	lock_wait $key;
250		376
251	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
252		379
253	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
256	}	384	}
257	}	385	}
258		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
259	sub freeze_mainloop {	393	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
261		395
262	my $guard = Coro::guard { $TICK_WATCHER->start };	396	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	397	}
264	$guard	398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
		457	}
		458	};
		459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
265	}	472	}
266		473
267	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
268		475
269	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		481
275	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
276		483
277	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
278		485
279	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
282		490
283	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
286	fast or be very important.	494	fast or be very important.
…		…
289		497
290	sub sync_job(&) {	498	sub sync_job(&) {
291	my ($job) = @_;	499	my ($job) = @_;
292		500
293	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
294	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
296		506
297	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	508
299	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
300		510
301	my $busy = 1;	511	my $busy = 1;
302	my @res;	512	my @res;
303		513
304	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	516	@res = eval { $job->() };
306	warn $@ if $@;	517	warn $@ if $@;
307	undef $busy;	518	undef $busy;
308	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
309		520
310	while ($busy) {	521	while ($busy) {
311	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
312	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
313		532
314	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
315	} else {	534	} else {
316	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
317		536
…		…
319	}	538	}
320	}	539	}
321		540
322	=item $coro = cf::async_ext { BLOCK }	541	=item $coro = cf::async_ext { BLOCK }
323		542
324	Like async, but this coro is automcatially being canceled when the	543	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	544	extension calling this is being unloaded.
326		545
327	=cut	546	=cut
328		547
329	sub async_ext(&) {	548	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
338		557
339	$coro	558	$coro
340	}	559	}
341		560
342	sub write_runtime {	561	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		562
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	Executes the given code block with the given arguments in a seperate
346	or return;	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
347		567
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	568	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		569
352	aio_fsync $fh	570	sub fork_call(&@) {
353	and return;	571	my ($cb, @args) = @_;
354		572
355	close $fh	573	# we seemingly have to make a local copy of the whole thing,
356	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
357		576
358	aio_rename "$runtime~", $runtime	577	my @res = Coro::Util::fork_eval {
359	and return;	578	reset_signals;
		579	&$cb
		580	}, @args;
360		581
		582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
361	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	748	}
363		749
364	=back	750	=back
365		751
366	=cut	752	=cut
367		753
368	#############################################################################	754	#############################################################################
369		755
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
493		757
494	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
497		761
498	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	764	Deliantra).
501		765
502	=over 4	766	=over 4
503		767
504	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
505		769
…		…
549	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
550		814
551	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
553		817
554	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
556		820
557	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
558		822
559	=over 4	823	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	883	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	884	our @CB_MAP = ();
621		885
622	my %attachment;	886	my %attachment;
623		887
		888	sub cf::attachable::thawer_merge {
		889	# simply override everything except _meta
		890	local $_[0]{_meta};
		891	%{$_[0]} = %{$_[1]};
		892	}
		893
624	sub _attach_cb($$$$) {	894	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	895	my ($registry, $event, $prio, $cb) = @_;
626		896
627	use sort 'stable';	897	use sort 'stable';
628		898
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
663		933
664	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		938
669	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	940	my $pkg = shift @arg;
671		941
672	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
702	}	972	}
703		973
704	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
705	} else {	975	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	977	}
708		978
709	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
710	}	980	}
711		981
…		…
713	if (ref $_[0]) {	983	if (ref $_[0]) {
714	_object_attach @_;	984	_object_attach @_;
715	} else {	985	} else {
716	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
717	}	987	}
		988	_recalc_want;
718	};	989	};
719		990
720	# all those should be optimised	991	# all those should be optimised
721	sub cf::attachable::detach {	992	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
726	reattach ($obj);	997	reattach ($obj);
727	} else {	998	} else {
728	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
729	}	1000	}
		1001	_recalc_want;
730	};	1002	};
731		1003
732	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
734		1006
…		…
749	";	1021	";
750	die if $@;	1022	die if $@;
751	}	1023	}
752		1024
753	our $override;	1025	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1027
756	sub override {	1028	sub override {
757	$override = 1;	1029	$override = 1;
758	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
759	}	1031	}
760		1032
761	sub do_invoke {	1033	sub do_invoke {
762	my $event = shift;	1034	my $event = shift;
763	my $callbacks = shift;	1035	my $callbacks = shift;
764		1036
765	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
766		1038
767	local $override;	1039	local $override;
768		1040
769	for (@$callbacks) {	1041	for (@$callbacks) {
770	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
779	}	1051	}
780		1052
781	0	1053	0
782	}	1054	}
783		1055
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1057
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1059
788	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
789		1061
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1065
794	=back	1066	=back
795		1067
796	=cut	1068	=cut
797		1069
798	#############################################################################	1070	#############################################################################
799	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
800		1114
801	sub reattach {	1115	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1117	my ($obj) = @_;
		1118
		1119	# no longer needed after getting rid of delete_package?
		1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1121
805	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
806		1123
807	@$registry = ();	1124	@$registry = ();
808		1125
…		…
823	cf::attachable->attach (	1140	cf::attachable->attach (
824	prio => -1000000,	1141	prio => -1000000,
825	on_instantiate => sub {	1142	on_instantiate => sub {
826	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
827		1144
828	$data = from_json $data;	1145	$data = decode_json $data;
829		1146
830	for (@$data) {	1147	for (@$data) {
831	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
832		1149
833	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1166	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
851		1168
852	sync_job {	1169	sync_job {
853	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
856		1174
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1178	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1179	aio_close $fh;
862		1180
863	if (@$objs) {	1181	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1186	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1187	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
871	}	1189	}
872	} else {	1190	} else {
873	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
874	}	1192	}
875		1193
876	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1198	} else {
878	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
879	}	1200	}
880	} else {	1201	} else {
881	aio_unlink $filename;	1202	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
883	}	1204	}
884	}	1205	};
885	}	1206	}
886		1207
887	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
889		1210
…		…
901	or return;	1222	or return;
902		1223
903	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
905	or return;	1226	or return;
		1227
906	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
907	}	1230	}
908		1231
		1232	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
911	return ($data, $av);	1236	($data, $av)
912	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
913		1244
914	#############################################################################	1245	#############################################################################
915	# command handling &c	1246	# command handling &c
916		1247
917	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1262	}
932		1263
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1265
935	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
936		1271
937	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
938	called.	1273	called.
939		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
940	=cut	1286	=cut
941		1287
942	sub register_extcmd {	1288	sub register_extcmd {
943	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
944		1290
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1291	$EXTCMD{$name} = $cb;
949	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
950		1301
951	cf::player->attach (	1302	cf::player->attach (
952	on_command => sub {	1303	on_command => sub {
953	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
954		1305
…		…
962	cf::override;	1313	cf::override;
963	},	1314	},
964	on_extcmd => sub {	1315	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
966		1317
967	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1319
969	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
975	} else {	1335	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1337	}
978		1338
979	cf::override;	1339	cf::override;
980	},	1340	},
981	);	1341	);
982		1342
983	sub register {	1343	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1344	sub cache_extensions {
990	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
991		1346
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
993	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1350	}
1042	}	1351	};
1043		1352
1044	# remove extcmds	1353	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1354	}
1058		1355
1059	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
1060	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1361	next unless -r $path;
1062	eval {	1362
1063	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
1064	1	1419	}
1065	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
1066	}	1425	};
1067	}	1426	}
1068		1427
1069	#############################################################################	1428	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1429
1072	*cf::mapsupport::on_clean = sub {	1430	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1431
1085	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1086		1433
1087	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1088		1435
1089	=cut	1436	=cut
1090		1437
1091	package cf::player;	1438	package cf::player;
1092		1439
…		…
1094		1441
1095	=head3 cf::player	1442	=head3 cf::player
1096		1443
1097	=over 4	1444	=over 4
1098		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
		1459
1099	=item cf::player::find $login	1460	=item cf::player::find $login
1100		1461
1101	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1102		1463
1103	=cut	1464	=cut
1104		1465
1105	sub playerdir($) {	1466	sub playerdir($) {
1106	cf::localdir	1467	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1469	}
1112		1470
1113	sub path($) {	1471	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1473
1116	(playerdir $login) . "/$login.pl"	1474	(playerdir $login) . "/playerdata"
1117	}	1475	}
1118		1476
1119	sub find_active($) {	1477	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1478	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1479	and $cf::PLAYER{$_[0]}->active
…		…
1124		1482
1125	sub exists($) {	1483	sub exists($) {
1126	my ($login) = @_;	1484	my ($login) = @_;
1127		1485
1128	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1487	or !aio_stat path $login
1130	}	1488	}
1131		1489
1132	sub find($) {	1490	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1492	my $login = $_[0];
1135		1493
1136	my $guard = cf::lock_acquire "user_find:$login";	1494	my $guard = cf::lock_acquire "user_find:$login";
1137		1495
1138	$cf::PLAYER{$_[0]} || do {	1496	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1497	# rename old playerfiles to new ones
		1498	#TODO: remove when no longer required
		1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1502	aio_unlink +(playerdir $login) . "/$login.pl";
		1503
		1504	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1142	}	1513	}
1143	}	1514	}
1144	}	1515	}
1145		1516
…		…
1154	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1155		1526
1156	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1158		1529
		1530	cf::get_slot 0.01;
		1531
1159	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1160	Coro::cede;	1533	cf::cede_to_tick;
1161	}	1534	}
1162		1535
1163	sub new($) {	1536	sub new($) {
1164	my ($login) = @_;	1537	my ($login) = @_;
1165		1538
…		…
1171	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1172		1545
1173	$self	1546	$self
1174	}	1547	}
1175		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1176	=item $pl->quit_character	1559	=item $pl->quit_character
1177		1560
1178	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1180		1563
1181	=cut	1564	=cut
1182		1565
1183	sub quit_character {	1566	sub quit_character {
1184	my ($pl) = @_;	1567	my ($pl) = @_;
1185		1568
		1569	my $name = $pl->ob->name;
		1570
1186	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1573
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1193		1580
1194	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1583	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1584	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1585	$pl->destroy;
		1586
		1587	my $prefix = qr<^~\Q$name\E/>;
		1588
		1589	# nuke player maps
		1590	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1591
1199	IO::AIO::aio_rmtree $temp;	1592	IO::AIO::aio_rmtree $temp;
		1593	}
		1594
		1595	=item $pl->kick
		1596
		1597	Kicks a player out of the game. This destroys the connection.
		1598
		1599	=cut
		1600
		1601	sub kick {
		1602	my ($pl, $kicker) = @_;
		1603
		1604	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1605	$pl->killer ("kicked");
		1606	$pl->ns->destroy;
1200	}	1607	}
1201		1608
1202	=item cf::player::list_logins	1609	=item cf::player::list_logins
1203		1610
1204	Returns am arrayref of all valid playernames in the system, can take a	1611	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1206		1613
1207	=cut	1614	=cut
1208		1615
1209	sub list_logins {	1616	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1618	or return [];
1212		1619
1213	my @logins;	1620	my @logins;
1214		1621
1215	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1219		1632
1220	utf8::decode $login;	1633	utf8::decode $login;
1221	push @logins, $login;	1634	push @logins, $login;
1222	}	1635	}
1223		1636
1224	\@logins	1637	\@logins
1225	}	1638	}
1226		1639
1227	=item $player->maps	1640	=item $player->maps
1228		1641
1229	Returns an arrayref of cf::path's of all maps that are private for this	1642	Returns an arrayref of map paths that are private for this
1230	player. May block.	1643	player. May block.
1231		1644
1232	=cut	1645	=cut
1233		1646
1234	sub maps($) {	1647	sub maps($) {
1235	my ($pl) = @_;	1648	my ($pl) = @_;
		1649
		1650	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1651
1237	my $files = aio_readdir playerdir $pl	1652	my $files = aio_readdir playerdir $pl
1238	or return;	1653	or return;
1239		1654
1240	my @paths;	1655	my @paths;
1241		1656
1242	for (@$files) {	1657	for (@$files) {
1243	utf8::decode $_;	1658	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1659	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1660	next unless /^$PATH_SEP/o;
1246		1661
1247	s/$PATH_SEP/\//g;	1662	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1663	}
1250		1664
1251	\@paths	1665	\@paths
1252	}	1666	}
1253		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1255		1673
1256	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1257		1675
1258	=cut	1676	=cut
1259		1677
1260	sub ext_reply($$$%) {	1678	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1262		1680
1263	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1682	}
1267		1683
1268	package cf;	1684	=item $player->ext_msg ($type, @msg)
		1685
		1686	Sends an ext event to the client.
		1687
		1688	=cut
		1689
		1690	sub ext_msg($$@) {
		1691	my ($self, $type, @msg) = @_;
		1692
		1693	$self->ns->ext_msg ($type, @msg);
		1694	}
		1695
		1696	=head3 cf::region
		1697
		1698	=over 4
		1699
		1700	=cut
		1701
		1702	package cf::region;
		1703
		1704	=item cf::region::find_by_path $path
		1705
		1706	Tries to decuce the likely region for a map knowing only its path.
		1707
		1708	=cut
		1709
		1710	sub find_by_path($) {
		1711	my ($path) = @_;
		1712
		1713	my ($match, $specificity);
		1714
		1715	for my $region (list) {
		1716	if ($region->{match} && $path =~ $region->{match}) {
		1717	($match, $specificity) = ($region, $region->specificity)
		1718	if $region->specificity > $specificity;
		1719	}
		1720	}
		1721
		1722	$match
		1723	}
1269		1724
1270	=back	1725	=back
1271
1272		1726
1273	=head3 cf::map	1727	=head3 cf::map
1274		1728
1275	=over 4	1729	=over 4
1276		1730
…		…
1279	package cf::map;	1733	package cf::map;
1280		1734
1281	use Fcntl;	1735	use Fcntl;
1282	use Coro::AIO;	1736	use Coro::AIO;
1283		1737
		1738	use overload
		1739	'""' => \&as_string,
		1740	fallback => 1;
		1741
1284	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1286		1744
1287	sub generate_random_map {	1745	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1749
1290	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1751	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1755	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1756	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1757	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1758	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1759	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1760	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1761	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1762	(cf::region::find $rmp->{region}), $rmp->{custom}
		1763	)
		1764	}
		1765
		1766	=item cf::map->register ($regex, $prio)
		1767
		1768	Register a handler for the map path matching the given regex at the
		1769	givne priority (higher is better, built-in handlers have priority 0, the
		1770	default).
		1771
		1772	=cut
		1773
		1774	sub register {
		1775	my (undef, $regex, $prio) = @_;
		1776	my $pkg = caller;
		1777
		1778	no strict;
		1779	push @{"$pkg\::ISA"}, __PACKAGE__;
		1780
		1781	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1782	}
		1783
		1784	# also paths starting with '/'
		1785	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1786
		1787	sub thawer_merge {
		1788	my ($self, $merge) = @_;
		1789
		1790	# we have to keep some variables in memory intact
		1791	local $self->{path};
		1792	local $self->{load_path};
		1793
		1794	$self->SUPER::thawer_merge ($merge);
		1795	}
		1796
		1797	sub normalise {
		1798	my ($path, $base) = @_;
		1799
		1800	$path = "$path"; # make sure its a string
		1801
		1802	$path =~ s/\.map$//;
		1803
		1804	# map plan:
		1805	#
		1806	# /! non-realised random map exit (special hack!)
		1807	# {... are special paths that are not being touched
		1808	# ?xxx/... are special absolute paths
		1809	# ?random/... random maps
		1810	# /... normal maps
		1811	# ~user/... per-player map of a specific user
		1812
		1813	$path =~ s/$PATH_SEP/\//go;
		1814
		1815	# treat it as relative path if it starts with
		1816	# something that looks reasonable
		1817	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1818	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1819
		1820	$base =~ s{[^/]+/?$}{};
		1821	$path = "$base/$path";
		1822	}
		1823
		1824	for ($path) {
		1825	redo if s{//}{/};
		1826	redo if s{/\.?/}{/};
		1827	redo if s{/[^/]+/\.\./}{/};
		1828	}
		1829
		1830	$path
		1831	}
		1832
		1833	sub new_from_path {
		1834	my (undef, $path, $base) = @_;
		1835
		1836	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1837
		1838	$path = normalise $path, $base;
		1839
		1840	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1841	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1842	my $self = bless cf::map::new, $pkg;
		1843	$self->{path} = $path; $self->path ($path);
		1844	$self->init; # pass $1 etc.
		1845	return $self;
		1846	}
		1847	}
		1848
		1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1850	()
		1851	}
		1852
		1853	sub init {
		1854	my ($self) = @_;
		1855
		1856	$self
		1857	}
		1858
		1859	sub as_string {
		1860	my ($self) = @_;
		1861
		1862	"$self->{path}"
		1863	}
		1864
		1865	# the displayed name, this is a one way mapping
		1866	sub visible_name {
		1867	&as_string
		1868	}
		1869
		1870	# the original (read-only) location
		1871	sub load_path {
		1872	my ($self) = @_;
		1873
		1874	"$MAPDIR/$self->{path}.map"
		1875	}
		1876
		1877	# the temporary/swap location
		1878	sub save_path {
		1879	my ($self) = @_;
		1880
		1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1882	"$TMPDIR/$path.map"
		1883	}
		1884
		1885	# the unique path, undef == no special unique path
		1886	sub uniq_path {
		1887	my ($self) = @_;
		1888
		1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1890	"$UNIQUEDIR/$path"
1304	}	1891	}
1305		1892
1306	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1307	# all maps in C++...	1894	# all maps in C++...
1308	sub change_all_map_light {	1895	sub change_all_map_light {
…		…
1310		1897
1311	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1313	}	1900	}
1314		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
		1910	sub unlink_save {
		1911	my ($self) = @_;
		1912
		1913	utf8::encode (my $save = $self->save_path);
		1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1915	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1916	}
		1917
1315	sub try_load_header($) {	1918	sub load_header_from($) {
1316	my ($path) = @_;	1919	my ($self, $path) = @_;
1317		1920
1318	utf8::encode $path;	1921	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1320	or return;	1923	or return;
1321		1924
1322	my $map = cf::map::new	1925	$self->_load_header ($f)
1323	or return;	1926	or return;
1324		1927
1325	# for better error messages only, will be overwritten	1928	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1929	$f->resolve_delayed_derefs;
1327		1930
1328	$map->load_header ($path)	1931	$self->{load_path} = $path;
		1932
		1933	1
		1934	}
		1935
		1936	sub load_header_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->load_header_from ($self->load_path)
		1940	}
		1941
		1942	sub load_header_temp {
		1943	my ($self) = @_;
		1944
		1945	$self->load_header_from ($self->save_path)
		1946	}
		1947
		1948	sub prepare_temp {
		1949	my ($self) = @_;
		1950
		1951	$self->last_access ((delete $self->{last_access})
		1952	|| $cf::RUNTIME); #d#
		1953	# safety
		1954	$self->{instantiate_time} = $cf::RUNTIME
		1955	if $self->{instantiate_time} > $cf::RUNTIME;
		1956	}
		1957
		1958	sub prepare_orig {
		1959	my ($self) = @_;
		1960
		1961	$self->{load_original} = 1;
		1962	$self->{instantiate_time} = $cf::RUNTIME;
		1963	$self->last_access ($cf::RUNTIME);
		1964	$self->instantiate;
		1965	}
		1966
		1967	sub load_header {
		1968	my ($self) = @_;
		1969
		1970	if ($self->load_header_temp) {
		1971	$self->prepare_temp;
		1972	} else {
		1973	$self->load_header_orig
1329	or return;	1974	or return;
		1975	$self->prepare_orig;
		1976	}
1330		1977
1331	$map->{load_path} = $path;	1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
1332		1980
1333	$map	1981	$self->default_region (cf::region::find_by_path $self->{path})
		1982	unless $self->default_region;
		1983
		1984	1
1334	}	1985	}
1335		1986
1336	sub find;	1987	sub find;
1337	sub find {	1988	sub find {
1338	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1339		1990
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1345	cf::lock_wait "map_find:$key";	1994	cf::lock_wait "map_find:$path";
1346		1995
1347	$cf::MAP{$key} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1348	my $guard = cf::lock_acquire "map_find:$key";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
1349		1999
1350	# do it the slow way	2000	my $map = new_from_path cf::map $path
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2001	or return;
1369		2002
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1382		2004
1383	Coro::cede;	2005	$map->load_header
		2006	or return;
1384		2007
1385	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2009	# doing this can freeze the server in a sync job, obviously
		2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1386	$map->reset;	2013	$map->reset;
1387	undef $guard;
1388	$map = find $path	2014	return find $path;
1389	or return;
1390	}	2015	}
1391		2016
1392	$cf::MAP{$key} = $map	2017	$cf::MAP{$path} = $map
1393	}	2018	}
1394	}	2019	}
		2020
		2021	sub pre_load { }
		2022	sub post_load { }
1395		2023
1396	sub load {	2024	sub load {
1397	my ($self) = @_;	2025	my ($self) = @_;
1398		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1399	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2032	my $guard = cf::lock_acquire "map_data:$path";
1401		2033
		2034	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2036
1404	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1405		2038
1406	$self->alloc;	2039	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2040
		2041	$self->pre_load;
		2042	cf::cede_to_tick;
		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1408	or return;	2047	or return;
1409		2048
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1411	if delete $self->{load_original};	2050	if delete $self->{load_original};
1412		2051
1413	if (my $uniq = $path->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2053	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2056	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1418	}	2060	}
1419	}	2061	}
1420		2062
1421	Coro::cede;	2063	$f->resolve_delayed_derefs;
1422		2064
		2065	cf::cede_to_tick;
1423	# now do the right thing for maps	2066	# now do the right thing for maps
1424	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2069	unless $self->difficulty;
		2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
		2077	$self->set_darkness_map;
		2078	cf::cede_to_tick;
1436	$self->activate;	2079	$self->activate;
1437	}	2080	}
1438		2081
1439	Coro::cede;	2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
1440		2084
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
		2086	}
		2087
		2088	$self->post_load;
		2089	}
		2090
		2091	sub customise_for {
		2092	my ($self, $ob) = @_;
		2093
		2094	return find "~" . $ob->name . "/" . $self->{path}
		2095	if $self->per_player;
		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
		2100	$self
1442	}	2101	}
1443		2102
1444	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2104	sub load_neighbours {
1446	my ($map) = @_;	2105	my ($map) = @_;
1447		2106
1448	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1449		2108
1450	for (0 .. 3) {	2109	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1452	or next;	2111	or next;
1453	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1454	or next;	2113	or next;
1455	$neigh->load;	2114	$neigh->load;
1456		2115
		2116	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2119	}
1460		2120
1461	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1463	or next;	2124	or next;
1464	$neigh->load;	2125	$neigh->load;
1465	}	2126	}
1466	}	2127	}
1467		2128
…		…
1472	}	2133	}
1473		2134
1474	sub do_load_sync {	2135	sub do_load_sync {
1475	my ($map) = @_;	2136	my ($map) = @_;
1476		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1477	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1478	}	2142	}
1479		2143
1480	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
		2145	our $MAP_PREFETCHER = undef;
		2146
		2147	sub find_async {
		2148	my ($path, $origin, $load) = @_;
		2149
		2150	$path = normalise $path, $origin && $origin->{path};
		2151
		2152	if (my $map = $cf::MAP{$path}) {
		2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2154	}
		2155
		2156	$MAP_PREFETCH{$path} |= $load;
		2157
1481	our $MAP_PREFETCHER = Coro::async {	2158	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2159	$Coro::current->{desc} = "map prefetcher";
		2160
1483	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2163	if (my $map = find $k) {
		2164	$map->load if $v;
		2165	}
		2166
1486	my $path = delete $MAP_PREFETCH{$key};	2167	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2168	}
1492	Coro::schedule;	2169	}
		2170	undef $MAP_PREFETCHER;
1493	}	2171	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2172	$MAP_PREFETCHER->prio (6);
1508		2173
1509	()	2174	()
1510	}	2175	}
1511		2176
1512	sub save {	2177	sub save {
1513	my ($self) = @_;	2178	my ($self) = @_;
1514		2179
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2181
1517	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1518		2183
1519	return unless $self->dirty;	2184	return unless $self->dirty;
1520		2185
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2186	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2187	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2188
1524	$self->{load_path} = $save;	2189	$self->{load_path} = $save;
1525		2190
1526	return if $self->{deny_save};	2191	return if $self->{deny_save};
1527		2192
1528	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1529		2194
1530	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1532	};	2198	};
1533		2199
		2200	cf::get_slot 0.02;
		2201
1534	if ($uniq) {	2202	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2205	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2206	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2207	}
1540	}	2208	}
1541		2209
1542	sub swap_out {	2210	sub swap_out {
1543	my ($self) = @_;	2211	my ($self) = @_;
1544		2212
1545	# save first because save cedes	2213	# save first because save cedes
1546	$self->save;	2214	$self->save;
1547		2215
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2217
1550	return if $self->players;	2218	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2220	return if $self->{deny_save};
1553		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2226	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2227	}
1557		2228
1558	sub reset_at {	2229	sub reset_at {
1559	my ($self) = @_;	2230	my ($self) = @_;
1560		2231
1561	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1564		2234
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2237
…		…
1572	my ($self) = @_;	2242	my ($self) = @_;
1573		2243
1574	$self->reset_at <= $cf::RUNTIME	2244	$self->reset_at <= $cf::RUNTIME
1575	}	2245	}
1576		2246
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2247	sub reset {
1599	my ($self) = @_;	2248	my ($self) = @_;
1600		2249
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2251
1603	return if $self->players;	2252	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2253
1606	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
		2255
		2256	$self->in_memory (cf::MAP_SWAPPED);
		2257
		2258	# need to save uniques path
		2259	unless ($self->{deny_save}) {
		2260	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2261
		2262	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2263	if $uniq;
		2264	}
1607		2265
1608	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1609		2267
		2268	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2269	$_->clear_links_to ($self) for values %cf::MAP;
		2270	$self->clear;
1611		2271
1612	$self->unlink_save;	2272	$self->unlink_save;
1613	$self->destroy;	2273	$self->destroy;
1614	}	2274	}
1615		2275
1616	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1617		2277
1618	sub nuke {	2278	sub nuke {
1619	my ($self) = @_;	2279	my ($self) = @_;
1620		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
		2284	delete $cf::MAP{$self->path};
		2285
		2286	$self->unlink_save;
		2287
		2288	bless $self, "cf::map";
		2289	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2293
		2294	$cf::MAP{$self->path} = $self;
		2295	}
		2296
1624	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
1625	}	2298	}
1626		2299
1627	sub customise_for {	2300	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2301
1630	if ($map->per_player) {	2302	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
1632	}	2308	[
1633		2309	map {
1634	$map	2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
1635	}	2316	}
1636		2317
1637	package cf;	2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
		2334	}
		2335
		2336	=item cf::map::unique_maps
		2337
		2338	Returns an arrayref of paths of all shared maps that have
		2339	instantiated unique items. May block.
		2340
		2341	=cut
		2342
		2343	sub unique_maps() {
		2344	[
		2345	map {
		2346	utf8::decode $_;
		2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
		2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
		2352	]
		2353	}
1638		2354
1639	=back	2355	=back
1640		2356
1641	=head3 cf::object	2357	=head3 cf::object
1642		2358
…		…
1646		2362
1647	=over 4	2363	=over 4
1648		2364
1649	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1650		2366
1651	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1652		2369
1653	=cut	2370	=cut
1654		2371
1655	sub inv_recursive_;	2372	sub inv_recursive_;
1656	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1659		2376
1660	sub inv_recursive {	2377	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1662	}	2379	}
1663		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1664	package cf;	2409	package cf;
1665		2410
1666	=back	2411	=back
1667		2412
1668	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1677		2422
1678	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1679		2438
1680	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2440	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1685		2444
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2446
1688	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1690	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1693	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1694	}	2472	}
1695		2473
1696	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1697		2475
1698	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1711		2489
1712	=item $player_object->enter_link	2490	=item $player_object->enter_link
1713		2491
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2493
1716	The player should be reaosnably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
		2498
		2499	Will never block.
1718		2500
1719	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1720		2502
1721	Moves the player out of the specila link map onto the given map. If the	2503	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2504	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2505	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2506	fails, to the emergency map position.
1725		2507
1726	Might block.	2508	Might block.
1727		2509
1728	=cut	2510	=cut
		2511
		2512	sub link_map {
		2513	unless ($LINK_MAP) {
		2514	$LINK_MAP = cf::map::find "{link}"
		2515	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2516	$LINK_MAP->load;
		2517	}
		2518
		2519	$LINK_MAP
		2520	}
1729		2521
1730	sub cf::object::player::enter_link {	2522	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2523	my ($self) = @_;
1732		2524
1733	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1734		2526
1735	return if $self->map == $LINK_MAP;	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2528
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1739		2531
1740	$self->enter_map ($LINK_MAP, 20, 20);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2533	}
1742		2534
1743	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1745		2539
1746	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1747		2541
1748	unless ($map) {	2542	unless ($map) {
1749	# restore original map position	2543	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1766		2560
1767	$map->load;	2561	$map->load;
1768	$map->load_diag;	2562	$map->load_neighbours;
1769		2563
1770	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1771	$self->activate_recursive;	2566	$self->activate_recursive;
		2567
		2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1773	}	2570	}
1774		2571
1775	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2573
1779	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1783	};	2578	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2579
1789	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2582
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1810		2586
1811	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2589
1814	$path = new cf::path $path;	2590	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2592
1817	$self->enter_link;	2593	$self->enter_link;
1818		2594
1819	(async {	2595	(async {
1820	my $map = cf::map::find $path->as_string;	2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
		2617	my $map = eval {
		2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
1822		2622	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2623	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
1827		2626
		2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
		2633	}
		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1829	})->prio (1);	2641	})->prio (1);
1830	}	2642	}
1831		2643
1832	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1833		2645
…		…
1835		2647
1836	sub parse_random_map_params {	2648	sub parse_random_map_params {
1837	my ($spec) = @_;	2649	my ($spec) = @_;
1838		2650
1839	my $rmp = { # defaults	2651	my $rmp = { # defaults
1840	xsize => 10,	2652	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2653	ysize => (cf::rndm 15, 40),
		2654	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2655	#layout => string,
1842	};	2656	};
1843		2657
1844	for (split /\n/, $spec) {	2658	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2659	my ($k, $v) = split /\s+/, $_, 2;
1846		2660
…		…
1858	# that depends on the exit object	2672	# that depends on the exit object
1859		2673
1860	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
1861		2675
1862	if ($exit->map) {	2676	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2677	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1867	}	2683	}
1868		2684
1869	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1870		2686
1871	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
		2689	my $meta = "$RANDOMDIR/$md5.meta";
1873		2690
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
		2693	undef $fh;
		2694	aio_rename "$meta~", $meta;
1876		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1879	}	2702	}
1880	}	2703	}
1881		2704
1882	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
1886		2709
1887	$self->enter_link;	2710	$self->enter_link;
1888		2711
1889	(async {	2712	(async {
1890	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
1891	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
1892	prepare_random_map $exit	2722	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2723	if $exit->slaying eq "/!";
		2724	}
1894		2725
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
1897		2729
		2730	$self->goto ($map, $x, $y);
		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
1898	1;	2736	1
1899	}) {	2737	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2740	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2742
1905	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2744	$self->leave_link;
1907	}	2745	}
1908	})->prio (1);	2746	})->prio (1);
…		…
1921		2759
1922	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1924		2762
1925	utf8::encode $text;	2763	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2765	}
1928		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1929		2952
1930	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1931		2954
1932	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2958
1936	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2960	become reliable at some point in the future.
1938		2961
1939	=cut	2962	=cut
1940		2963
1941	sub cf::client::query {	2964	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2973	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2975
1953	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1955	}	2980	}
1956		2981
1957	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1958	on_reply => sub {	2988	on_reply => sub {
1959	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1960		2990
1961	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1962	# get handled first	2992	# get handled first
1963	my $queue = delete $ns->{query_queue}	2993	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2995
1966	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2998
1968	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1969		3000
1970	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3002	if (@$queue) {
…		…
1973	} else {	3004	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3006	}
1976	}	3007	}
1977	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1978	);	3035	);
1979		3036
1980	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
1981		3038
1982	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2025		3082
2026	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2027		3084
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2029		3090
2030	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2031		3092
2032	=pod	3093	=pod
2033		3094
2034	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2035		3096
2036	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2037	cf::object::player player	3101	cf::object::player
2038	cf::player peaceful	3102	player
2039	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2040		3109
2041	=cut	3110	=cut
2042		3111
2043	for (	3112	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2045	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2048	) {	3119	) {
2049	no strict 'refs';	3120	no strict 'refs';
…		…
2120	=back	3191	=back
2121		3192
2122	=cut	3193	=cut
2123		3194
2124	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
2125		3197
2126	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
2127		3200
2128	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
2130	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3204
2132	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3206
2135	=over 4	3207	warn "loading facedata from $path\n";
2136		3208
2137	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
2138		3212
2139	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3214
2143	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3217
2145	Returns a single value from the database	3218	# patch in the exptable
2146		3219	$facedata->{resource}{"res/exp_table"} = {
2147	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
2148		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3222	};
		3223	cf::cede_to_tick;
2198		3224
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2203		3227
2204	sub db_get($;$) {	3228	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3230
2210	sub db_put($$;$) {	3231	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2213	} else {	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3235
2219	cf::global->attach (	3236	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3237	}
2224	);
2225	}
2226		3238
2227	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3240	next unless $info->{smooth};
2229		3241
2230	sub cfg_load {	3242	my $idx = cf::face::find $face
		3243	or next;
		3244
		3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3248	} else {
		3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
		3302	1
		3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
		3372	sub reload_resources {
		3373	warn "reloading resource files...\n";
		3374
		3375	reload_facedata;
		3376	reload_archetypes;
		3377	reload_regions;
		3378	reload_treasures;
		3379
		3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3385	or return;
2233		3386
2234	local $/;	3387	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2236		3389
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2238		3391
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2246	};	3399	};
2247	warn $@ if $@;	3400	warn $@ if $@;
2248	}	3401	}
2249	}	3402	}
2250		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2251	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2252	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3442	(async {
		3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
		3445	})->prio (Coro::PRIO_MAX);
2256	};	3446	};
2257		3447
2258	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
		3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2260	load_extensions;	3466	load_extensions;
		3467
		3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2261	Event::loop;	3476	EV::loop;
2262	}	3477	}
2263		3478
2264	#############################################################################	3479	#############################################################################
2265	# initialisation and cleanup	3480	# initialisation and cleanup
2266		3481
2267	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2268	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2275	},
2276	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2277	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2278	}	3576	}
2279		3577
2280	sub emergency_save() {	3578	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2282		3580
2283	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2284		3582
2285	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2286	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3597	$pl->save;
2294	}	3598	}
2295	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2296		3600
2297	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3604	$map->valid or next;
2301	$map->save;	3605	$map->save;
2302	}	3606	}
2303	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
		3608
		3609	warn "emergency_perl_save: begin database checkpoint\n";
		3610	BDB::db_env_txn_checkpoint $DB_ENV;
		3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2304	};	3616	};
2305		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2306	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2307	}	3624	}
2308		3625
		3626	sub post_cleanup {
		3627	my ($make_core) = @_;
		3628
		3629	warn Carp::longmess "post_cleanup backtrace"
		3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
		3660	}
		3661
2309	sub reload() {	3662	sub do_reload_perl() {
2310	# can/must only be called in main	3663	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3665	warn "can only reload from main coroutine";
2313	return;	3666	return;
2314	}	3667	}
2315		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2316	warn "reloading...";	3674	warn "reloading...";
2317		3675
2318	my $guard = freeze_mainloop;	3676	warn "entering sync_job";
		3677
		3678	cf::sync_job {
		3679	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3680	cf::emergency_save;
		3681	cf::write_runtime_sync; # external watchdog should not bark
2320		3682
2321	eval {	3683	warn "syncing database to disk";
		3684	BDB::db_env_txn_checkpoint $DB_ENV;
		3685
2322	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2323		3687
2324	# cancel all watchers	3688	warn "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2327	}
2328
2329	# cancel all extension coros
2330	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();
2332
2333	# unload all extensions
2334	for (@exts) {
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338
2339	# unload all modules loaded from $LIBDIR
2340	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342
2343	warn "removing <$k>";
2344	delete $INC{$k};
2345
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {
2350	$cb->();
2351	}	3691	}
2352		3692
2353	Symbol::delete_package $k;	3693	warn "cancelling all extension coros";
		3694	$_->cancel for values %EXT_CORO;
		3695	%EXT_CORO = ();
		3696
		3697	warn "removing commands";
		3698	%COMMAND = ();
		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
		3706	warn "... unloading $pkg";
		3707
		3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
		3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2354	}	3717	}
2355		3718
2356	# sync database to disk	3719	warn "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3720	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
		3734	}
		3735
2360	# get rid of safe::, as good as possible	3736	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3739
2364	# remove register_script_function callbacks	3740	warn "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2369		3743
2370	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3745	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2373		3747
2374	# reload cf.pm	3748	warn "unload completed, starting to reload now";
		3749
2375	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2376	require cf;	3751	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3753
2379	# load config and database again	3754	warn "loading config and database again";
2380	cf::cfg_load;	3755	cf::reload_config;
2381	cf::db_load;
2382		3756
2383	# load extensions
2384	warn "load extensions";	3757	warn "loading extensions";
2385	cf::load_extensions;	3758	cf::load_extensions;
2386		3759
2387	# reattach attachments to objects	3760	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3761	warn "reattaching attachments to objects/players";
2389	_global_reattach;	3762	_global_reattach; # objects, sockets
		3763	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
		3765	warn "reattaching attachments to players";
		3766	reattach $_ for values %PLAYER;
		3767	}
		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
		3772	warn "leaving sync_job";
		3773
		3774	1
		3775	} or do {
		3776	warn $@;
		3777	cf::cleanup "error while reloading, exiting.";
		3778	};
		3779
		3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
		3786	};
		3787
		3788	our $RELOAD_WATCHER; # used only during reload
		3789
		3790	sub reload_perl() {
		3791	# doing reload synchronously and two reloads happen back-to-back,
		3792	# coro crashes during coro_state_free->destroy here.
		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
		3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
		3799	undef $RELOAD_WATCHER;
		3800	};
2391	};	3801	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3802	}
2444
2445	register "<global>", __PACKAGE__;
2446		3803
2447	register_command "reload" => sub {	3804	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2449		3806
2450	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
		3811	reload_perl;
		3812	};
2454	}	3813	}
2455	};	3814	};
2456		3815
2457	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2458		3817
2459	$TICK_WATCHER = Event->timer (	3818	my $bug_warning = 0;
2460	reentrant => 0,	3819
2461	prio => 0,	3820	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3821	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3822
2464	cb => sub {	3823	sub wait_for_tick {
		3824	return if tick_inhibit || $Coro::current == $Coro::main;
		3825
		3826	my $signal = new Coro::Signal;
		3827	push @WAIT_FOR_TICK, $signal;
		3828	$signal->wait;
		3829	}
		3830
		3831	sub wait_for_tick_begin {
		3832	return if tick_inhibit || $Coro::current == $Coro::main;
		3833
		3834	my $signal = new Coro::Signal;
		3835	push @WAIT_FOR_TICK_BEGIN, $signal;
		3836	$signal->wait;
		3837	}
		3838
		3839	sub tick {
		3840	if ($Coro::current != $Coro::main) {
		3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3842	unless ++$bug_warning > 10;
		3843	return;
		3844	}
		3845
2465	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		3847
2469	$WAIT_FOR_TICK->broadcast;	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2471		3850	Coro::async_pool {
2472	# if we are delayed by four ticks or more, skip them all	3851	$Coro::current->{desc} = "runtime saver";
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474
2475	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	3852	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	3854	};
2499	},	3855	}
2500	);	3856
		3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3858	$sig->send;
		3859	}
		3860	while (my $sig = shift @WAIT_FOR_TICK) {
		3861	$sig->send;
		3862	}
		3863
		3864	$LOAD = ($NOW - $TICK_START) / $TICK;
		3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3866
		3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
		3875
		3876	{
		3877	# configure BDB
		3878
		3879	BDB::min_parallel 8;
		3880	BDB::max_poll_reqs $TICK * 0.1;
		3881	$AnyEvent::BDB::WATCHER->priority (1);
		3882
		3883	unless ($DB_ENV) {
		3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3890
		3891	cf::sync_job {
		3892	eval {
		3893	BDB::db_env_open
		3894	$DB_ENV,
		3895	$BDBDIR,
		3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3898	0666;
		3899
		3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3901	};
		3902
		3903	cf::cleanup "db_env_open(db): $@" if $@;
		3904	};
		3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
		3916	}
		3917
		3918	{
		3919	# configure IO::AIO
		3920
		3921	IO::AIO::min_parallel 8;
		3922	IO::AIO::max_poll_time $TICK * 0.1;
		3923	undef $AnyEvent::AIO::WATCHER;
		3924	}
		3925
		3926	my $_log_backtrace;
		3927
		3928	sub _log_backtrace {
		3929	my ($msg, @addr) = @_;
		3930
		3931	$msg =~ s/\n//;
		3932
		3933	# limit the # of concurrent backtraces
		3934	if ($_log_backtrace < 2) {
		3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
		3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
		3940	my @bt = fork_call {
		3941	@addr = map { sprintf "%x", $_ } @addr;
		3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3944	or die "addr2line: $!";
		3945
		3946	my @funcs;
		3947	my @res = <$fh>;
		3948	chomp for @res;
		3949	while (@res) {
		3950	my ($func, $line) = splice @res, 0, 2, ();
		3951	push @funcs, "[$func] $line";
		3952	}
		3953
		3954	@funcs
		3955	};
		3956
		3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3959	LOG llevInfo, "[ABT] $_\n" for @bt;
		3960	--$_log_backtrace;
		3961	};
		3962	} else {
		3963	LOG llevInfo, "[ABT] $msg\n";
		3964	LOG llevInfo, "[ABT] [suppressed]\n";
		3965	}
		3966	}
		3967
		3968	# load additional modules
		3969	use cf::pod;
2501		3970
2502	END { cf::emergency_save }	3971	END { cf::emergency_save }
2503		3972
2504	1	3973	1
2505		3974

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